CN221064365U - Aluminum alloy die casting die easy to demolding - Google Patents

Abstract

The utility model discloses an aluminum alloy die casting die easy to demould, which comprises a supporting table, wherein an ejection mechanism is arranged at the bottom of the supporting table and is positioned under a female die, the upper surface of the supporting table is connected with a movable plate in a sliding manner, the front surface of the movable plate is symmetrically provided with L-shaped clamping plates, a driving mechanism for driving the L-shaped clamping plates to move close to each other is arranged in the movable plate, one side of the inner wall of the supporting frame is fixedly provided with a third hydraulic telescopic rod at the back surface of the movable plate, the output end of the third hydraulic telescopic rod is fixedly connected with the back surface of the movable plate, a sprinkler head is fixedly arranged in the middle position of the bottom of the movable plate, and four corners of the bottom of the supporting table are respectively fixedly provided with supporting legs. According to the aluminum alloy die-casting die easy to demould, the spray head is driven to move forwards through the moving plate when moving forwards, and the spray head passes over the female die when moving forwards, so that the molded aluminum alloy can be taken out and the release agent can be sprayed into the female die at the same time, and the die is convenient to demould.

Description

Aluminum alloy die casting die easy to demolding

Technical Field

The utility model relates to the technical field of die casting dies, in particular to an aluminum alloy die casting die easy to demould.

Background

The aluminum alloy die casting mold is a device for die casting and forming a metal liquid which is nearly in a liquid state through a pressing block on the upper side, and mainly comprises a pressing block with a power device on the upper side, and a mold groove which is arranged on the lower side and is used for filling the metal liquid, wherein the product is obtained after the steps of die casting and demolding.

The utility model provides an aluminum alloy die casting die that easily drawing of patterns, the publication is CN219074322U, this patent is described "through setting up the N word board that falls, electric telescopic handle one, push block, the recess, on the die ejector device platform of die casting shaping that can be fine, accomplish the drawing of patterns processing in mould and mould groove, electric telescopic handle two that set up simultaneously, the push pedal, the connecting plate, electric putter and fixed clamp splice, can extrude the mould fixedly, and transport the device platform front side, make things convenient for the staff to take off the mould and use, easy operation is convenient, after the die casting work, completion drawing of patterns that can be fine and the work of transportation mould accelerate production", and put forward "because the mould itself has gravity, so after die casting shaping, the mould still has been left the mould inslot, completion drawing of patterns processing that can be fine, the effect is bad, not set up the equipment that is used for transporting the die casting shaping's mould to the device outside, inconvenient staff takes" not enough of technology.

In summary, the following technical problems exist in the prior art: in the prior art, a die casting die is usually demolded, a product still possibly sticks to the die, the die casting die needs to be taken out manually, the working process is delayed, and the working efficiency is affected, so that a new solution to the problems is needed.

Disclosure of utility model

Based on the above, it is necessary to provide an aluminum alloy die casting mold easy to demolding, wherein the aluminum alloy molded in the female mold is ejected upwards through the ejection mechanism, the L-shaped clamping plates are driven to move close to each other through the driving mechanism, the molded aluminum alloy is clamped, then the ejection mechanism is reset, and the movable plate, the L-shaped clamping plates and the molded aluminum alloy are driven to move forwards through the third hydraulic telescopic rod, so that the aluminum alloy die casting mold is convenient for workers to take, and the demolding efficiency is improved;

When the movable plate moves forwards, the spray head is driven to move forwards, and the spray head passes through the upper part of the female die when moving forwards, so that the release agent can be sprayed into the female die when the formed aluminum alloy is taken out, the demolding is convenient, the adhesion between the formed aluminum alloy and the female die during demolding is avoided, and the demolding efficiency can be further improved.

In order to solve the technical problems, the utility model adopts the following technical scheme:

The aluminum alloy die casting die easy to demould specifically comprises: the support table, the four corners of support table bottom are fixed with the supporting leg respectively, the inside of supporting table is fixed with the die, the upper surface fixing of supporting table has the support frame, the top of support frame is fixed with first hydraulic telescoping rod, the output of the below of first hydraulic telescoping rod runs through the support frame and is fixed with the terrace die, the terrace die is located directly over the die, the bottom of supporting table just is provided with ejection mechanism under the die, the upper surface sliding connection of supporting table has the movable plate, the positive symmetry of movable plate is provided with L shape splint, the inside of movable plate is provided with the actuating mechanism that is used for driving L shape splint and is close to the motion each other, one side of support frame inner wall just is located the back of movable plate and is fixed with the third hydraulic telescoping rod, the output of third hydraulic telescoping rod is fixed with the back of movable plate, the intermediate position of movable plate bottom is fixed with the sprinkler head.

As a preferred implementation mode of the aluminum alloy die casting die easy to demould, which is provided by the utility model, a gear pump is fixed at the bottom of the supporting table, a guide pipe is connected with the discharge end of the gear pump, and one end of the guide pipe, which is far away from the gear pump, is connected with the feed end of the spray head.

As an optimal implementation mode of the aluminum alloy die casting die easy to demolding, T-shaped tracks are symmetrically fixed on the upper surface of the supporting table and positioned on two sides of the female die, guide blocks are symmetrically fixed on the bottom of the moving plate, and the guide blocks are respectively connected to the surfaces of the T-shaped tracks in a sliding mode.

As a preferred implementation mode of the aluminum alloy die casting die easy to demolding, the driving mechanism comprises the sliding blocks symmetrically and slidingly connected in the moving plate, one end of the L-shaped clamping plate, which is close to the moving plate, is respectively fixed with the sliding blocks, the inside of the moving plate is rotationally connected with the threaded rod, threads on two sides of the threaded rod are oppositely rotated, the sliding blocks are respectively in threaded connection with two sides of the threaded rod, one end of the moving plate is fixed with a motor, and the output end of the motor penetrates through the moving plate and is fixed with one end of the threaded rod.

As a preferred implementation mode of the aluminum alloy die casting die easy to demolding, the ejection mechanism comprises four ejector caps, the four corners of the bottom of the inner wall of the female die are respectively provided with a plugging groove, the ejector caps are respectively inserted into the plugging grooves, ejector rods are fixed at the bottoms of the ejector caps, and the ejector rods penetrate through the female die and are in sliding connection with the supporting table.

As a preferred implementation mode of the aluminum alloy die casting die easy to demolding, the ejection mechanism further comprises a lifting plate, wherein a limiting ring and a bottom cap are symmetrically fixed at the bottom of the surface of the ejector rod respectively, the bottom cap is located below the limiting ring, the lifting plate is located between the limiting ring and the bottom cap, and four corners of the lifting plate are connected with the ejector rod in a sliding mode respectively.

As an optimal implementation mode of the aluminum alloy die casting die easy to demolding, springs are respectively arranged between the lifting plate and the bottom cap, a second hydraulic telescopic rod is fixed at the bottom of the supporting table and positioned between the ejector rods, and the output end of the second hydraulic telescopic rod is fixed with the upper surface of the lifting plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. The aluminum alloy after the inner molding of the female die is ejected upwards through the ejection mechanism, the L-shaped clamping plates are driven to move close to each other through the driving mechanism, the molded aluminum alloy is clamped, then the ejection mechanism is reset, the movable plate, the L-shaped clamping plates and the molded aluminum alloy are driven to move forwards through the third hydraulic telescopic rod, the convenience is brought to the taking of workers, and the demolding efficiency is improved.

2. When the movable plate moves forwards, the spray head is driven to move forwards, and the spray head passes through the upper part of the female die when moving forwards, so that the release agent can be sprayed into the female die when the formed aluminum alloy is taken out, the demolding is convenient, the adhesion between the formed aluminum alloy and the female die during demolding is avoided, and the demolding efficiency can be further improved.

Drawings

In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the upper surface of the support table according to the present utility model;

FIG. 3 is a schematic diagram of the structure of the female die and the ejector pin of the present utility model;

FIG. 4 is a schematic diagram of a driving mechanism according to the present utility model;

fig. 5 is a schematic structural view of an ejection mechanism according to the present utility model.

The labels in the figures are illustrated below:

1. A support table; 2. a female die; 3. a support frame; 4. a first hydraulic telescoping rod; 5. a male die; 6. a spray head; 7. a conduit; 8. a second hydraulic telescoping rod; 9. an L-shaped clamping plate; 10. a third hydraulic telescoping rod; 11. a T-shaped track; 12. a moving plate; 13. a motor; 14. support legs; 15. a push rod; 16. a lifting plate; 17. a gear pump; 18. a slide block; 19. a threaded rod; 20. a guide block; 21. a limit ring; 22. a bottom cap; 23. a spring; 24. a top cap; 25. plugging the groove.

Detailed Description

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

As mentioned in the background art, in the prior art, a product may still be stuck on a die after the die casting die is demolded, and the product needs to be manually taken out, so that the working process is delayed, and the working efficiency is affected.

In order to solve the technical problem, the utility model provides an aluminum alloy die casting die which is easy to demould.

Specifically, referring to fig. 1-3, an aluminum alloy die casting mold easy to release specifically includes: including supporting bench 1, the four corners of supporting bench 1 bottom is fixed with supporting leg 14 respectively, the inside of supporting bench 1 is fixed with die 2, the upper surface of supporting bench 1 is fixed with support frame 3, the top of support frame 3 is fixed with first hydraulic telescoping rod 4, the output of the below of first hydraulic telescoping rod 4 runs through support frame 3 and is fixed with terrace die 5, terrace die 5 is located directly over die 2, the bottom of supporting bench 1 just is provided with ejection mechanism under die 2, the upper surface sliding connection of supporting bench 1 has movable plate 12, the positive symmetry of movable plate 12 is provided with L shape splint 9, the inside of movable plate 12 is provided with the actuating mechanism that is used for driving L shape splint 9 and is close to the motion each other, one side of support frame 3 inner wall and the back that is located movable plate 12 are fixed with third hydraulic telescoping rod 10, the output of third hydraulic telescoping rod 10 is fixed with the back of movable plate 12, the intermediate position of movable plate 12 bottom is fixed with sprinkler head 6.

According to the aluminum alloy die casting die easy to demould, the aluminum alloy molded in the female die 2 is ejected upwards through the ejection mechanism, the L-shaped clamping plates 9 are driven to move close to each other through the driving mechanism, the molded aluminum alloy is clamped, then the ejection mechanism is reset, and the movable plate 12, the L-shaped clamping plates 9 and the molded aluminum alloy are driven to move forwards through the third hydraulic telescopic rod 10, so that the aluminum alloy die casting die is convenient for workers to take, and the demould efficiency is improved;

The moving plate 12 drives the spray head 6 to move forwards when moving forwards, and the spray head 6 passes through the upper part of the female die 2 when moving forwards, so that the release agent can be sprayed into the female die 2 when the formed aluminum alloy is taken out, the demolding is convenient, the adhesion between the formed aluminum alloy and the female die 2 during demolding is avoided, and the demolding efficiency can be further improved.

In order to make the person skilled in the art better understand the solution of the present utility model, the technical solution of the embodiment of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

It should be noted that, under the condition of no conflict, the embodiments of the present utility model and the features and technical solutions in the embodiments may be combined with each other.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Example 1

Referring to figures 1-4 of the drawings,

The die casting device comprises a supporting table 1, wherein a female die 2 is fixed in the supporting table 1, a supporting frame 3 is fixed on the upper surface of the supporting table 1, a first hydraulic telescopic rod 4 is fixed at the top of the supporting frame 3, a male die 5 is fixed at the lower output end of the first hydraulic telescopic rod 4 in a penetrating way through the supporting frame 3, the male die 5 is positioned right above the female die 2, specifically, when the die casting device is used, liquid aluminum alloy is poured into the female die 2, then the first hydraulic telescopic rod 4 is started, the male die 5 is driven to move downwards by the first hydraulic telescopic rod 4, die casting work is completed on the liquid aluminum alloy in the female die 2, and after the aluminum alloy is formed, the male die 5 is retracted;

An ejection mechanism is arranged at the bottom of the supporting table 1 and is positioned right below the female die 2, the upper surface of the supporting table 1 is connected with a movable plate 12 in a sliding manner, the front of the movable plate 12 is symmetrically provided with L-shaped clamping plates 9, the inside of the movable plate 12 is provided with a driving mechanism for driving the L-shaped clamping plates 9 to move close to each other, one side of the inner wall of the supporting frame 3 and the back of the movable plate 12 are fixedly provided with a third hydraulic telescopic rod 10, the output end of the third hydraulic telescopic rod 10 is fixedly connected with the back of the movable plate 12, the middle position of the bottom of the movable plate 12 is fixedly provided with a sprinkler head 6, four corners of the bottom of the supporting table 1 are respectively fixedly provided with supporting legs 14, specifically, the supporting legs 14 are used for supporting the supporting table 1, when the aluminum alloy molded inside the female die 2 is ejected upwards through the ejection mechanism, the L-shaped clamping plate 9 is driven to move close to each other through the driving mechanism, the formed aluminum alloy is clamped, then the ejection mechanism is reset, the movable plate 12, the L-shaped clamping plate 9 and the formed aluminum alloy are driven to move forwards through the third hydraulic telescopic rod 10, so that the lifting and demoulding efficiency is improved, the movable plate 12 drives the sprinkler head 6 to move forwards when moving forwards, the sprinkler head 6 passes through the upper part of the female die 2 when moving forwards, and therefore the formed aluminum alloy can be taken out, and meanwhile, a demoulding agent is sprayed into the female die 2, so that demoulding is facilitated, adhesion between the formed aluminum alloy and the female die 2 during demoulding is avoided, and the demoulding efficiency can be further improved;

The bottom of the supporting table 1 is fixed with a gear pump 17, the feeding end of the gear pump 17 is connected with a release agent feeding mechanism, the discharging end of the gear pump 17 is connected with a guide pipe 7, one end of the guide pipe 7 away from the gear pump 17 is connected with the feeding end of a spray head 6, specifically, the release agent feeding mechanism can be a release agent feeding box, which is not shown in the figure, when in use, the gear pump 17 sucks release agent from the inside of the release agent feeding mechanism and pumps the release agent into the inside of the spray head 6 through the gear pump 17, and the release agent is sprayed on the inner wall of the female die 2 through the spray head 6;

T-shaped tracks 11 are symmetrically fixed on the upper surface of the supporting table 1 and positioned on two sides of the female die 2, guide blocks 20 are symmetrically fixed on the bottom of the moving plate 12, and the guide blocks 20 are respectively connected to the surfaces of the T-shaped tracks 11 in a sliding manner and used for guiding and limiting the moving plate 12;

The driving mechanism comprises a sliding block 18 which is symmetrically and slidingly connected inside the moving plate 12, one end of the L-shaped clamping plate 9, which is close to the moving plate 12, is respectively fixed with the sliding block 18, a threaded rod 19 is rotatably connected inside the moving plate 12, threads on two sides of the threaded rod 19 are opposite in rotation direction, the sliding block 18 is respectively in threaded connection with two sides of the threaded rod 19, one end of the moving plate 12 is fixedly provided with a motor 13, the output end of the motor 13 penetrates through the moving plate 12 and is fixed with one end of the threaded rod 19, specifically, the motor 13 drives the threaded rod 19 to rotate, and the threaded rod 19 drives the sliding block 18 and the L-shaped clamping plate 9 to be mutually close to and far away from each other when rotating, so that formed aluminum alloy is clamped.

Example 2

Further optimization of an aluminum alloy die casting mold that is easy to release was provided in example 1, and in particular, as shown in fig. 2-5,

The ejection mechanism comprises four top caps 24, four corners of the bottom of the inner wall of the female die 2 are respectively provided with a plugging groove 25, the top caps 24 are respectively inserted into the plugging grooves 25, the bottoms of the top caps 24 are respectively fixedly provided with an ejector rod 15, the ejector rods 15 penetrate through the female die 2 and are in sliding connection with the supporting table 1, specifically, the upper surfaces of the top caps 24 are flush with the bottom of the inner wall of the female die 2, the top caps 24 are used for plugging the plugging grooves 25, and the top caps 24 are driven to move upwards through upward movement of the ejector rods 15, so that the formed aluminum alloy is ejected upwards;

The ejector mechanism further comprises a lifting plate 16, a limit ring 21 and a bottom cap 22 are symmetrically fixed to the bottom of the surface of the ejector rod 15 respectively, the bottom cap 22 is located below the limit ring 21, the lifting plate 16 is located between the limit ring 21 and the bottom cap 22, four corners of the lifting plate 16 are respectively in sliding connection with the ejector rod 15, springs 23 are respectively arranged between the lifting plate 16 and the bottom cap 22, a second hydraulic telescopic rod 8 is fixed to the bottom of the supporting table 1 and located between the lifting rods 15, the output end of the second hydraulic telescopic rod 8 is fixed to the upper surface of the lifting plate 16, specifically, the lifting plate 16 is driven to move upwards through the second hydraulic telescopic rod 8, the lifting plate 16 is driven to move upwards through the limit ring 21 during upward movement, so that aluminum alloy after internal molding of the female die 2 is ejected upwards, the lifting plate 16 is driven to move downwards through the bottom cap 22 during resetting of the top cap 24, when the second hydraulic telescopic rod 8 drives the lifting plate 16 to move downwards, the lifting plate 16 moves downwards through the compression springs 23, the elastic caps 22 are applied to the bottom cap 22 through the springs 23, and accordingly the situation that the four elastic caps 24 are not uniformly stressed by the top cap 24 is avoided, and the gap between the top cap 24 and the top cap is prevented from being stressed by the device.

The application process of the aluminum alloy die casting die easy to demould provided by the utility model is as follows:

Technical principle: when the die 2 is used, the liquid aluminum alloy is poured into the die 2, then the first hydraulic telescopic rod 4 is started, the male die 5 is driven to move downwards by the first hydraulic telescopic rod 4, die casting work is completed on the liquid aluminum alloy inside the die 2, after the aluminum alloy is formed, the male die 5 is retracted, the lifting plate 16 is driven to move upwards by the second hydraulic telescopic rod 8, the lifting plate 16 drives the ejector rod 15 and the top cap 24 to move upwards through the limit ring 21 during upward movement, thereby the aluminum alloy after the inner forming of the die 2 is ejected upwards, the threaded rod 19 is driven to rotate through the motor 13, the sliding block 18 and the L-shaped clamping plate 9 are driven to be close to and far away from each other during rotation, the top cap 24 is then reset, the movable plate 12, the L-shaped clamping plate 9 and the formed aluminum alloy are driven to move forwards by the third hydraulic telescopic rod 10, the movable plate 12 is driven to move forwards by a worker, the spray head 6 is driven to move forwards during forward movement, the spray head 6 passes through the upper part of the die 2, the gear pump 17 absorbs the release agent from the inside of the release agent mechanism, the release agent is prevented from being adhered to the inner wall of the die 2 after the inner wall of the die 2 is sprayed by the spray head 6, and the release agent can be formed simultaneously.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.

Claims (7)

1. The utility model provides an easy drawing of patterns's aluminum alloy die casting die, includes brace table (1), the four corners of brace table (1) bottom is fixed with supporting leg (14) respectively, the inside of brace table (1) is fixed with die (2), the upper surface of brace table (1) is fixed with support frame (3), the top of support frame (3) is fixed with first hydraulic telescoping rod (4), the output of the below of first hydraulic telescoping rod (4) runs through support frame (3) and is fixed with terrace die (5), terrace die (5) are located directly over die (2), a serial communication port, the bottom of brace table (1) just is provided with ejection mechanism under die (2);

The upper surface of the supporting table (1) is slidably connected with a moving plate (12), the front side of the moving plate (12) is symmetrically provided with L-shaped clamping plates (9), a driving mechanism for driving the L-shaped clamping plates (9) to move close to each other is arranged in the moving plate (12), a third hydraulic telescopic rod (10) is fixed on one side of the inner wall of the supporting frame (3) and positioned on the back side of the moving plate (12), and the output end of the third hydraulic telescopic rod (10) is fixed on the back side of the moving plate (12);

A sprinkler head (6) is fixed in the middle of the bottom of the moving plate (12).

2. An aluminum alloy die casting die easy to demold according to claim 1, characterized in that a gear pump (17) is fixed at the bottom of the supporting table (1), a guide pipe (7) is connected to the discharge end of the gear pump (17), and one end of the guide pipe (7) far away from the gear pump (17) is connected to the feed end of the sprinkler head (6).

3. An aluminum alloy die casting die easy to demold according to claim 1, wherein the upper surface of the supporting table (1) and two sides of the female die (2) are symmetrically fixed with T-shaped tracks (11), the bottom of the moving plate (12) is symmetrically fixed with guide blocks (20), and the guide blocks (20) are respectively and slidably connected to the surfaces of the T-shaped tracks (11).

4. An aluminum alloy die casting die easy to demold according to claim 1, characterized in that the driving mechanism comprises a sliding block (18) symmetrically and slidingly connected inside a moving plate (12), one end of the L-shaped clamping plate (9) close to the moving plate (12) is respectively fixed with the sliding block (18), the inside of the moving plate (12) is rotationally connected with a threaded rod (19), threads on two sides of the threaded rod (19) are opposite in rotation direction, the sliding block (18) is respectively connected with two sides of the threaded rod (19) in a threaded manner, one end of the moving plate (12) is fixedly provided with a motor (13), and an output end of the motor (13) penetrates through the moving plate (12) and is fixedly connected with one end of the threaded rod (19).

5. The aluminum alloy die casting die easy to demolding according to claim 1, wherein the ejection mechanism comprises four top caps (24), plugging grooves (25) are respectively formed in four corners of the bottom of the inner wall of the female die (2), the top caps (24) are respectively inserted into the plugging grooves (25), ejector rods (15) are respectively fixed at the bottoms of the top caps (24), and the ejector rods (15) penetrate through the female die (2) and are in sliding connection with the supporting table (1).

6. The aluminum alloy die casting die easy to demold according to claim 5, wherein the ejection mechanism further comprises a lifting plate (16), a limit ring (21) and a bottom cap (22) are symmetrically fixed at the bottom of the surface of the ejector rod (15) respectively, the bottom cap (22) is located below the limit ring (21), the lifting plate (16) is located between the limit ring (21) and the bottom cap (22), and four corners of the lifting plate (16) are slidably connected with the ejector rod (15) respectively.

7. The aluminum alloy die casting die easy to demold according to claim 6, wherein springs (23) are respectively arranged between the lifting plate (16) and the bottom cap (22), a second hydraulic telescopic rod (8) is fixed at the bottom of the supporting table (1) and positioned between the ejector rods (15), and the output end of the second hydraulic telescopic rod (8) is fixed with the upper surface of the lifting plate (16).