CN201405052Y - New aluminum shell mold - Google Patents

Abstract

A new type of aluminum shell mold, including oblique pin shafts, core-pulling sliders, fixed mold cores, moving mold cores, corresponding fixed molds and moving molds, and a casting gating system set on the parting surface. The core-pulling sliders are set On the pin shaft, the core-pulling slider is in a "U" shape, and the two "straight lines" of the "U" shape are respectively two cores of different shapes. The plate is at 45 degrees; the movement speed of the core-pulling slider in the horizontal direction is the same as that in the vertical direction; the core-pulling slider can slide along the inclined pin axis. The utility model has a reasonable structure, two cores of different shapes are arranged on the core-pulling slider, and the core can be pulled at the same time, which saves cost, ensures the simultaneity of movement, and saves external force; The 45-degree angle setting ensures that the horizontal and vertical speed values of the core-pulling slider are the same, and also ensures the synchronization of the horizontal movement of the core-pulling slider and the moving mold part, avoiding the movement of the moving mold and the core-pulling slider. interference.

Description

New aluminum shell mold

technical field

The utility model relates to an aluminum alloy casting, in particular to a novel aluminum shell mould.

Background technique

Aluminum alloy is a commonly used material in metal casting. It has good fluidity, fast forming, good heat transfer performance, and easy cutting. It has been widely used.

At present, when many manufacturers are making aluminum alloy die-casting molds, due to the lack of careful consideration of the structure of the product, the cost of the mold is high, the structure of the die-casting mold is unreasonable, and the die-casting products have cold shut, under-casting, shrinkage, etc. Defects such as shrinkage cavity and deformation have caused low product yield and increased product cost.

Contents of the invention

The present invention mainly solves the technical problems of unreasonable mold structure design, many casting defects, and high production cost in the prior art, and provides a reasonable design structure, which can reduce die-casting defects, improve the molding quality of die-casting parts, and increase the yield of products. Aluminum alloy die-casting mold with advantages of high production cost and low production cost.

The above-mentioned technical problems of the present invention are mainly solved by the following technical solutions: a new type of aluminum shell mould, including an oblique pin shaft, a core-pulling slider, a fixed mold core, a movable mold core, and corresponding fixed and movable molds , and the casting gating system set on the parting surface, the core-pulling slider is set on the pin shaft, the core-pulling slider is in the shape of "U", and the two "straight lines" of the "U" shape are respectively two different shapes The core and the oblique pin are fixed on the set plate of the fixed die at 45 degrees to the set plate of the fixed die;

As a preference, the moving speed of the core-pulling slider in the horizontal direction is the same as that in the vertical direction;

Preferably, the core-pulling slider can slide along the oblique pin axis.

Therefore, the present invention has: 1. Reasonable structure, two cores of different shapes are arranged on the core-pulling slider, which can pull the core at the same time, which saves cost, ensures the simultaneity of movement, and saves external force; 2. The oblique pin shaft It is set at an angle of 45 degrees with the fixed mold cover plate, which ensures that the horizontal and vertical speeds of the core-pulling slider are the same, and also ensures the synchronization of the horizontal movement of the core-pulling slider and the moving mold part, avoiding the movement of the moving mold Interference with the core-pulling slider.

Description of drawings

Accompanying drawing 1 is the mold sectional structure schematic diagram of the present utility model;

Accompanying drawing 2 is the mold sectional structure schematic diagram of the present utility model;

Accompanying drawing 3 is the schematic diagram of the cross-sectional structure of the mold of the utility model.

Detailed ways

The technical solutions of the present invention will be further specifically described below through the embodiments and in conjunction with the accompanying drawings.

Embodiment 1: As shown in Figures 1, 2, and 3, the new aluminum shell mold includes an oblique pin shaft 2, a core-pulling slider 1, a fixed mold core 4, a fixed mold cover plate 5, a movable mold core 6, and a movable mold cover plate 7. Pad 8, ejector mechanism 9, movable mold bottom plate 10 and casting pouring system set on the parting surface. A spacer 8 is arranged between the movable mold bottom plate 10 and the movable mold cover plate 7 up and down, and they are fixed together by screws. The movable mold cover plate 7, the spacer 8 and the movable mold bottom 10 are connected together to form a hollow space in which an ejection mechanism 9 is arranged. The ejector mechanism 9 includes a push plate, a push plate fixing plate, a guide post, a guide sleeve, a core rod and a push rod. The setting of the core rod on the ejector mechanism 9 can help the molding of the mold core 6. Driven by the push pedal and the push pedal fixing plate, the guide post, the guide sleeve and the ejector pin can eject the molded casting 3 out of the mold cavity. The movable mold cover plate 5 is provided with a movable mold core 6 and an oblique pin shaft hole. Corresponding to the moving model core 6 is the fixed model core 4 . The fixed mold core 4 is fixed on the fixed mold cover plate 5 . Also be provided with oblique pin shaft 2 on the fixed die cover plate 5, form 45 degree angles between oblique pin shaft 2 and fixed die cover plate 5. A core-pulling slider 1 is arranged between the movable mold cover plate 7 and the fixed mold cover plate 5. The core-pulling slide block 1 is in the shape of a "U", and the two "straight lines" of the "U" shape are respectively two different shapes. core. The setting of this structure ensures that two cores of different shapes can be core-pulled at the same time, which saves cost, ensures the simultaneity of movement, and saves external force. The oblique pin shaft 2 is set at an angle of 45 degrees to the fixed mold cover plate 5, and the core-pulling slider 1 slides along the oblique pin shaft, which ensures that the core-pulling slider 1 has the same speed in the horizontal direction and the vertical direction, and also ensures that the core-pulling slider 1 The synchronization between slider 1 and the horizontal movement of the movable mold part avoids interference with the core-pulling slider when the movable mold moves.

When the new aluminum shell mold is working, the fixed mold part is fixed, and the movable mold part moves closer to the fixed mold part under the action of the casting machine, and is closed with the fixed mold. The core-pulling slider 1 is also in place at the same time, forming a cavity. After the mold clamping is completed, the aluminum alloy melt is pressed into the mold cavity along the gate 11, and the liquid quickly fills the mold cavity. After pouring is completed, the casting 3 is formed, the movable mold is separated from the fixed mold under the action of external force, and the core-pulling slider 1 moves horizontally synchronously with the movable mold along the inclined pin shaft 2 . After moving to the preset distance, the movable mold part stops moving, and the core-pulling slider 1 has completely separated from the casting 3. At this time, the ejector mechanism 9 is pushed to push the casting 3 away from the movable mold cavity, and the casting 3 is taken out. The moving mold carries out the next mold closing process under the action of external force.

The design of the mold is simple in operation, easy in forming, reasonable in structure, saves manufacturing cost, and the quality of castings has also been greatly improved, which is conducive to popularization and application.

Claims (3)

1. A new type of aluminum shell mould, including an oblique pin shaft (2), a core-pulling slider (1), a fixed mold core (4), a moving mold core (6), corresponding fixed molds and moving molds, and settings In the casting pouring system on the parting surface, the core-pulling slider (1) is arranged on the oblique pin shaft (2), and it is characterized in that: the core-pulling slider (1) is in a "U" shape, and the "U" shape The two "straight lines" are respectively two cores of different shapes; the oblique pin shaft (2) is fixed on the fixed mold cover plate (5), and becomes 45 degrees with the fixed form cover plate (5). 2. The new aluminum shell mold according to claim 1, characterized in that: the moving speed of the core-pulling slider (1) in the horizontal direction is the same as that in the vertical direction. 3. The new aluminum shell mold according to claim 1, characterized in that: the core-pulling slider (1) can slide along the inclined pin shaft (2).

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