CN216540775U

CN216540775U - High-yield aluminum alloy die-casting die

Info

Publication number: CN216540775U
Application number: CN202121328783.8U
Authority: CN
Inventors: 夏航鹏; 屠世顺
Original assignee: Xingsan Xingyun Technology Co Ltd
Current assignee: Xingsanxing Cloud Technology Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2022-05-17
Anticipated expiration: 2031-06-15

Abstract

The utility model belongs to the technical field of die-casting dies, and particularly relates to a high-yield aluminum alloy die-casting die. The utility model provides a high-yield aluminum alloy die-casting die, aiming at the problems of low production benefit and low productivity caused by the fact that the number of die-casting dies in one time is small in the prior art, and the die-casting die comprises a fixed die plate, a movable die plate, an ejection mechanism and a bottom plate which are sequentially arranged, wherein one end of the ejection mechanism extends to the bottom surface of a die-casting cavity, the die-casting cavity comprises an injection runner and two molding areas which are symmetrically arranged on two sides of the injection runner, a plurality of molding cavities are arranged in each molding area, the end part of each molding cavity is communicated with the injection runner, the die-casting die further comprises an injection port which is arranged on the fixed die plate and is used for communicating a die-casting machine, and the injection runner is communicated with the injection port. Two molding areas symmetrically positioned at two sides of the injection runner are arranged in the die-casting cavity, and a plurality of molding cavities are arranged in each molding area, so that the production efficiency is further improved.

Description

High-yield aluminum alloy die-casting die

Technical Field

The utility model belongs to the technical field of die-casting dies, and particularly relates to a high-yield aluminum alloy die-casting die.

Background

The die-casting die is a tool for casting metal parts, and is a tool for completing a die-casting process on a special die-casting die forging machine. The basic process of die casting comprises the following steps: molten metal is cast at low speed or high speed and filled into the cavity of the mold, the mold has movable cavity surface, and it is pressurized and forged along with the cooling process of the molten metal, so that the shrinkage cavity and shrinkage porosity defects of the blank are eliminated, and the internal structure of the blank reaches the broken crystal grains in the forged state. The comprehensive mechanical property of the blank is obviously improved. However, the die-casting die in the prior art has a small number of die-casts at a time, which results in low production efficiency and low productivity.

Research and study have been conducted on this problem in long-term production and life practice, and for example, chinese utility model patent discloses a handle rear cover assembly die casting die [ application No.: 201320023986.5], the utility model discloses a include cover half, movable mould and compound die system, the movable mould on have case core and hou gai shell core, cover half and movable mould compound die after form two die cavities of case die cavity and hou gai shell die cavity, the movable mould on set up the case cross gate of intercommunication case die cavity and the shell cross gate of intercommunication hou gai shell die cavity.

The utility model discloses a have two die-casting castings of die-casting, but production efficiency still need carry out further improvement once die-casting can two die-casting castings of demolding.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems and provide an aluminum alloy die-casting die with high yield.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an aluminum alloy die casting die of high productivity, is including the fixed die plate, movable mould board, ejection mechanism and the bottom plate that set gradually, and the die-casting cavity is located between fixed die plate and the movable mould board, ejection mechanism's one end extends to die-casting cavity bottom surface, the die-casting cavity includes that injection runner and two symmetries set up the molding region in injection runner both sides, is equipped with a plurality of molding cavity in every molding region, and the tip of every molding cavity all is linked together with the injection runner, still including setting up the injection port that is used for communicateing the die casting machine on the fixed die plate, the injection runner is linked together with the injection port.

In the high-yield aluminum alloy die-casting die, six forming cavities are arranged in each forming area, and the forming cavities are arranged in parallel.

In the high-yield aluminum alloy die-casting die, the forming cavity comprises a main body forming cavity and a head forming cavity which are communicated with each other, the core-pulling insert block protrudes from the bottom surface of the head forming cavity, and one end, far away from the head forming cavity, of the main body forming cavity is communicated with the injection runner.

In the high-yield aluminum alloy die-casting die, the bottom surface of the main body forming cavity is also provided with a decoration part forming cavity sunken towards the inside of the movable die plate, and the decoration part forming cavity is communicated with the main body forming cavity and is arranged in a one-to-one correspondence manner.

In the high-yield aluminum alloy die-casting die, the surface of the movable die plate is also provided with an overflow exhaust groove which is sunken towards the inside of the movable die plate, and the overflow exhaust groove is communicated with one end of the head forming cavity, which is far away from the main body forming cavity.

In the high-yield aluminum alloy die-casting die, the blocking ribs are further arranged between the injection runner and the forming cavity and are arranged in one-to-one correspondence with the forming cavity, and the blocking ribs protrude out of the bottom surface of the injection runner and the bottom surface of the distribution runner is gradually increased from the center to two sides.

In the high-yield aluminum alloy die-casting die, the movable die insert is arranged in the movable die plate, the fixed die plate is internally provided with the fixed die insert, and the movable die insert and the fixed die insert are enclosed to form a die-casting cavity.

In the high-yield aluminum alloy die-casting die, the ejection mechanism comprises a fixed plate fixedly connected with the bottom plate, an ejection plate pressed on the fixed plate and an ejection rod, one end of the ejection rod is fixedly connected to the ejection plate, and the other end of the ejection rod extends to the bottom surface of the die-casting cavity.

In foretell aluminum alloy die casting die of high productivity, the knock-out pin is including the tip knock-out pin that is used for ejecting foundry goods end structure and the clout knock-out pin that the tip extends to in the overflow exhaust recess, and every shaping cavity corresponds two at least tip knock-out pins, the one end of tip knock-out pin extends and laminates to the bottom surface of foundry goods end structure, and two tip knock-out pins set up along the central line symmetry of foundry goods, clout knock-out pin and overflow exhaust recess one-to-one setting.

In the high-yield aluminum alloy die-casting die, the two sides of the fixed plate and the ejector plate are respectively provided with the die feet, one end of each die foot is fixedly connected to the movable die plate, the other end of each die foot is fixedly connected to the bottom plate, and the side surfaces of the fixed plate and the ejector plate are respectively attached to the side surfaces of the die feet.

Compared with the prior art, the utility model has the advantages that:

1. two molding areas symmetrically positioned at two sides of the injection runner are arranged in the die-casting cavity, and a plurality of molding cavities are arranged in each molding area, so that the production efficiency is further improved.

2. The die-casting cavity in the utility model adopts the structural design, when the total number of the molding cavities is more, the higher yield can be still ensured, and the problems of uneven casting material distribution and incomplete casting material filling can be avoided.

3. The ejector rod is provided with the end ejector rods specially used for ejecting the end part of the handle, and the two end ejector rods are symmetrically arranged, so that the balance and stability of the stress on the end part of the handle in the ejection process are ensured, and the phenomenon that a product is damaged in demolding is prevented.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic structural view of a portion of the structure of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is a cross-sectional view of another angle of the present invention;

in the figure: the injection molding device comprises a fixed mold plate 1, a movable mold plate 2, an ejection mechanism 3, a die-casting cavity 4, a bottom plate 5, mold legs 6, a fixed mold insert 11, a movable mold insert 21, a fixed plate 31, an ejection plate 32, an ejection rod 33, an end ejection rod 34, a residual ejection rod 35, a molding area 40, a molding cavity 41, an injection runner 42, an injection port 43, a main body molding cavity 44, a head molding cavity 45, a core-pulling insert 46, a decoration portion molding cavity 47, an overflow exhaust groove 48 and blocking ribs 49.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1-4, the high-yield aluminum alloy die-casting die comprises a fixed die plate 1, a movable die plate 2, an ejection mechanism 3 and a bottom plate 5 which are sequentially arranged, a die-casting cavity 4 is located between the fixed die plate 1 and the movable die plate 2, one end of the ejection mechanism 3 extends to the bottom surface of the die-casting cavity 4, the die-casting cavity 4 comprises an injection runner 42 and two molding areas 40 which are symmetrically arranged on two sides of the injection runner 42, a plurality of molding cavities 41 are arranged in each molding area 40, the end part of each molding cavity 41 is communicated with the injection runner 42, the die-casting die further comprises an injection port 43 which is arranged on the fixed die plate 1 and used for communicating a die-casting machine, and the injection runner 42 is communicated with the injection port 43.

When the injection molding machine is used, molten liquid metal in the injection molding machine is injected into the injection flow channel 42 through the injection port 43 and then enters the molding cavities 41 of the two molding areas 40 to be molded into castings, the ejection mechanism 3 ejects the castings to finish discharging, and a plurality of castings can be formed in each time of die casting due to the fact that the number of the molding cavities 41 is multiple. Two forming areas 40 symmetrically positioned at two sides of the injection runner are arranged in the die-casting cavity 4, and a plurality of forming cavities 41 are arranged in each forming area 40, so that the production efficiency is further improved. And the die-casting cavity 4 in the utility model adopts the structural design, when the total number of the molding cavities 41 is more, the higher yield can still be ensured, and the problems of uneven casting material distribution and incomplete casting material filling can not occur.

Preferably, a movable die insert 21 is arranged in the movable die plate 2, a fixed die insert 11 is arranged in the fixed die plate 1, and the movable die insert 21 and the fixed die insert 11 enclose to form a die-casting cavity 4. Therefore, the weight of the movable template 2 and the fixed template 1 can be reduced, and the movable template 2 and the fixed template 1 can be conveniently processed and produced.

Referring to fig. 2 to 4, the molding cavity 41 includes a main body molding cavity 44 and a head molding cavity 45 that are communicated with each other, the core back block 46 protrudes from the bottom surface of the head molding cavity 45, and one end of the main body molding cavity 44 away from the head molding cavity 45 is communicated with the injection runner 42. The interconnected body forming cavity 44 and head forming cavity 45 form the body and head structure of the casting in one piece.

Preferably, the bottom surface of the main body molding cavity 44 is further provided with a decoration part molding cavity 47 recessed towards the inside of the movable mold plate 2, and the decoration part molding cavity 47 is communicated with the main body molding cavity 44 and is arranged in a one-to-one correspondence manner. Therefore, when the die-casting molding is carried out, the decorative structure on the casting is integrally molded, and the processing procedure is saved.

As shown in fig. 2, the surface of the moving die plate 2 is further provided with an overflow exhaust groove 48 recessed towards the inside of the moving die plate 2, and the overflow exhaust groove 48 is communicated with one end of the head forming cavity 45 away from the main body forming cavity 44. The overflow vent grooves 48 may facilitate storage of gas and casting material that may overflow from the mold cavity 41 during the die casting process.

As shown in fig. 2, a blocking rib 49 is further disposed between the injection runner 42 and the molding cavity 41, the ribs 49 are disposed in one-to-one correspondence with the molding cavity 41, and the height of the blocking rib 49 protruding out of the bottom surface of the injection runner 42 and the height of the blocking rib 49 protruding out of the bottom surface of the distribution runner gradually increase from the center to both sides. The barrier ribs 49 allow the casting formed in the mold cavity 41 to be separated from the casting material in the runner, ensuring the quality of the casting.

As shown in fig. 2, six molding cavities 41 are provided in each molding region 40, and each molding cavity 41 is disposed in parallel with each other. Twelve castings can be produced by one die, and the production efficiency is ensured.

Referring to fig. 3 and 4, the ejection mechanism 3 includes a fixed plate 31 fixedly connected to the bottom plate 5, an ejector plate 32 pressed on the fixed plate 31, and an ejector rod 33, where one end of the ejector rod 33 is fixedly connected to the ejector plate 32, and the other end extends to the bottom surface of the die-casting cavity 4. The both sides of fixed plate 31 and liftout plate 32 all are equipped with

mould foot

6, 6 one end fixed connection of mould foot are on movable mould board 2, and other end fixed connection is on bottom plate 5, the side of fixed plate 31 and liftout plate 32 all laminates with the side of mould foot 6 mutually.

A mould foot 6 and an ejection mechanism 3 are arranged between the bottom plate 5 and the movable mould plate 2, two ends of the mould foot 6 are respectively connected with the bottom plate 5 and the movable mould plate 2, at least two mould feet 6 are arranged, the die feet 6 are symmetrically arranged at the edge of the bottom plate 5, can be used for keeping the distance between the bottom plate 5 and the movable die plate 2 during the die-casting forming process, preventing the separation of the fixed die plate 1 and the movable die plate 2 caused by the overlarge die-casting pressure during the die-casting process, the ejection mechanism 3 comprises a fixed plate 31 pressed on the bottom plate 5, an ejection plate 32 pressed on the fixed plate 31 and an ejection rod 33, the ejection rod 33 is connected on the ejection plate 32, the other end extends to the bottom surface of the die-casting cavity 4, after the die is opened, the fixed die plate 1 and the movable die plate 2 are separated, and the ejector plate 32 moves close to the movable die plate 2, so that the ejector rod 33 finishes the ejection action of a die-casting product, namely a casting.

Preferably, the ejector rods 33 comprise end ejector rods 34 for ejecting the end structures of the castings and excess material ejector rods 35 with the end portions extending into the overflow exhaust grooves 48, each forming cavity 41 corresponds to at least two end ejector rods 34, one ends of the end ejector rods 34 extend and are attached to the bottom surfaces of the end structures of the castings, the two end ejector rods 34 are symmetrically arranged along the center line of the castings, the end ejector rods 34 special for ejecting the end portions of the castings are arranged, and the two end ejector rods 34 are symmetrically arranged, so that the balance and stability of stress on the end portions of the castings in the ejection process are guaranteed, and the phenomenon that products are damaged in demolding is prevented. The excess material ejection rods 35 are arranged in one-to-one correspondence with the overflow exhaust grooves 48. The flash in the overflow vent groove 48 is ejected by the slug ejecting bar 35.

The working principle of the utility model is as follows: when the injection molding machine is used, molten liquid metal in the injection molding machine is injected into the injection flow channel 42 through the injection port 43 and then enters the molding cavities 41 of the two molding areas 40 to be molded into a casting. After the die-casting is completed, the fixed die plate 1 and the movable die plate 2 are separated, and the ejector plate 32 moves close to the movable die plate 2, so that the ejector rod 33 completes the ejection action of die-casting products, namely castings. Two forming areas 40 symmetrically positioned at two sides of the injection runner are arranged in the die-casting cavity 4, and a plurality of forming cavities 41 are arranged in each forming area 40, so that the production efficiency is further improved. And the die-casting cavity 4 in the utility model adopts the structural design, when the total number of the molding cavities 41 is more, the higher yield can still be ensured, and the problems of uneven casting material distribution and incomplete casting material filling can not occur.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although terms such as the fixed die plate 1, the movable die plate 2, the ejector mechanism 3, the die casting cavity 4, the bottom plate 5, the die leg 6, the fixed die insert 11, the movable die insert 21, the fixed plate 31, the ejector plate 32, the ejector rod 33, the end ejector rod 34, the surplus ejector rod 35, the molding region 40, the molding cavity 41, the injection runner 42, the injection port 43, the body molding cavity 44, the head molding cavity 45, the core insert 46, the decoration molding cavity 47, the overflow exhaust groove 48, the blocking rib 49, and the like are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides an aluminum alloy die casting die of high productivity, is located between fixed die plate (1) and movable mould board (2) including fixed die plate (1), movable mould board (2), ejection mechanism (3) and bottom plate (5) that set gradually die casting cavity (4), the one end of ejection mechanism (3) extends to die casting cavity (4) bottom surface, its characterized in that: the die-casting cavity (4) comprises an injection runner (42), two forming areas (40) symmetrically arranged on two sides of the injection runner (42), a plurality of forming cavities (41) are arranged in each forming area (40), the end part of each forming cavity (41) is communicated with the injection runner (42), the die-casting cavity also comprises an injection port (43) which is arranged on the fixed die plate (1) and used for communicating a die-casting machine, and the injection runner (42) is communicated with the injection port (43);

the molding cavity (41) comprises a main body molding cavity (44) and a head molding cavity (45) which are communicated with each other, a core-pulling insert (46) protrudes from the bottom surface of the head molding cavity (45), and one end, far away from the head molding cavity (45), of the main body molding cavity (44) is communicated with the injection flow channel (42).

2. The high throughput aluminum alloy die casting mold as recited in claim 1, wherein: six molding cavities (41) are arranged in each molding area (40), and the molding cavities (41) are arranged in parallel.

3. The high throughput aluminum alloy die casting mold as recited in claim 1, wherein: main part becomes die cavity (44) bottom surface and still is equipped with decoration portion die cavity (47) to the inside sunken of movable mould board (2), decoration portion die cavity (47) are linked together and the one-to-one setting with main part die cavity (44).

4. The high throughput aluminum alloy die casting mold as recited in claim 1, wherein: the surface of the movable mould plate (2) is also provided with an overflow exhaust groove (48) which is sunken towards the inside of the movable mould plate (2), and the overflow exhaust groove (48) is communicated with one end, away from the main body forming cavity (44), of the head forming cavity (45).

5. The high throughput aluminum alloy die casting mold as recited in claim 1, wherein: still be equipped with separation rib (49) between injection runner (42) and shaping cavity (41), rib (49) and shaping cavity (41) one-to-one set up, separation rib (49) protrusion injection runner (42) bottom surface and separation rib (49) protrusion distribution runner bottom surface highly by the center to both sides grow gradually.

6. The high throughput aluminum alloy die casting mold as recited in claim 1, wherein: the die-casting die is characterized in that a movable die insert (21) is arranged in the movable die plate (2), a fixed die insert (11) is arranged in the fixed die plate (1), and the movable die insert (21) and the fixed die insert (11) are enclosed to form a die-casting cavity (4).

7. The high throughput aluminum alloy die casting mold as recited in claim 4, wherein: ejection mechanism (3) including with bottom plate (5) fixed connection's fixed plate (31), press ejector plate (32) and ejector rod (33) of establishing on fixed plate (31), ejector rod (33) one end fixed connection is on ejector plate (32), and the other end extends to die-casting cavity (4) bottom surface.

8. The high throughput aluminum alloy die casting mold as recited in claim 7, wherein: ejector rod (33) is including tip ejector rod (34) and the clout ejector rod (35) that the tip that is used for ejecting foundry goods end structure extends to overflow exhaust recess (48) in, every forming cavity (41) correspond two at least tip ejector rods (34), the one end of tip ejector rod (34) extends and laminates to foundry goods end structure's bottom surface, and two tip ejector rods (34) set up along the central line symmetry of foundry goods, clout ejector rod (35) and overflow exhaust recess (48) one-to-one setting.

9. The high throughput aluminum alloy die casting mold as recited in claim 7, wherein: the both sides of fixed plate (31) and liftout plate (32) all are equipped with mould foot (6), mould foot (6) one end fixed connection is on movable mould board (2), and other end fixed connection is on bottom plate (5), the side of fixed plate (31) and liftout plate (32) all laminates with the side of mould foot (6) mutually.