CN219211567U

CN219211567U - Slag ladle exhaust structure of die casting mold

Info

Publication number: CN219211567U
Application number: CN202223161553.4U
Authority: CN
Inventors: 陆琪磊; 胡银江
Original assignee: Ningbo Jinglei Machinery Co ltd
Current assignee: Ningbo Jinglei Machinery Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-06-20
Anticipated expiration: 2032-11-24

Abstract

The utility model belongs to the technical field of dies, and provides a slag ladle exhaust structure of a die-casting die, which comprises the following components: the movable die holder is provided with a movable die core; the fixed die holder is provided with a fixed die core, the movable die holder is located below the fixed die holder, when the movable die holder is matched with the fixed die holder, the movable die core and the fixed die core are enclosed to form a product cavity, a first slag ladle is arranged on the outer side of the product cavity, the first slag ladle is communicated with the product cavity, and the product cavity is provided with a plurality of product runners. Compared with the prior art, the utility model has the advantages that the second slag ladle is arranged at the converging point of two adjacent product runners in the product cavity, and after the metal feed liquid is injected into the die, the liquid can be sucked by the second slag ladle at the converging point of the product runners and the product runners due to the fact that the pressure in the second slag ladle is smaller than the pressure at the product runners, so that the runner speed of the metal feed liquid is increased, and the exhaust effect is realized.

Description

Slag ladle exhaust structure of die casting mold

Technical Field

The utility model belongs to the technical field of dies, and particularly relates to a slag ladle exhaust structure of a die-casting die.

Background

Pressure casting is a method of filling a die cavity of a die casting mold with liquid or semi-liquid metal at a high speed under high pressure and rapidly solidifying under pressure to obtain a cast, and the die casting mold used is called a die casting mold.

As shown in figure 4 of the specification and attached drawings, the wall thickness of the product is provided with a plurality of through grooves in the middle, so that the movable mold core and the fixed mold core are required to be provided with convex parts in the product cavity, the through grooves are formed after the movable mold core and the fixed mold core are matched with the convex parts through die casting, but after the product cavity is filled, the metal solution is blocked by the convex parts when injected into the product cavity to flow forwards, so that the metal solution flows slowly at the welding part of the runner and the runner, exhaust cannot be effectively realized, and shrinkage cavity phenomenon of the product is caused.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a slag ladle exhaust structure of a die-casting mold aiming at the current state of the art.

The technical scheme adopted for solving the technical problems is as follows: proposed a cinder ladle exhaust structure of die casting mould includes: the movable die holder is provided with a movable die core;

the fixed die holder is provided with a fixed die core, the movable die holder is positioned below the fixed die holder, and when the movable die holder and the fixed die holder are closed, the movable die core and the fixed die core are enclosed to form a product cavity;

the first slag ladle is arranged on the outer side of the product cavity, the first slag ladle is communicated with the product cavity, the product cavity is provided with a plurality of product runners, second slag ladles are arranged at convergence points of two adjacent product runners, and the second slag ladles are communicated with the product runners.

In the above slag ladle exhaust structure of a die casting mold, a first exhaust part is arranged on the movable die holder, a second exhaust part is arranged on the fixed die holder, when the movable die holder and the fixed die holder are assembled, the first exhaust part and the second exhaust part form an exhaust block, and the exhaust block is communicated with the product cavity.

In the above slag ladle exhaust structure of the die-casting mold, a third slag ladle is arranged between the exhaust block and the product cavity.

In the above slag ladle exhaust structure of a die-casting mold, the fixed mold base is provided with a gate, the gate is communicated with the product cavity, and the gate and the exhaust block are respectively positioned at two sides of the product cavity.

In the slag ladle exhaust structure of the die-casting mold, the movable mold core positioned below the pouring gate is provided with the split cone, and the split cone is communicated with the product cavity.

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

1. and after the metal feed liquid is injected into the mold, the liquid can be sucked by the second slag ladle at the product runner and the product runner converging point because the pressure in the second slag ladle is smaller than the pressure at the product runner, so that the runner speed of the metal feed liquid is accelerated and the exhaust effect is realized.

2. The mold is provided with an air exhaust block, the rear end of the air exhaust block is connected with an exhaust valve, the vacuumizing effect is realized through the air exhaust block, and shrinkage cavity and deformation phenomena caused by the wall thickness of a product are prevented.

Drawings

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

FIG. 2 is a schematic view of a movable die holder;

FIG. 3 is a schematic view of the structure of a stationary die holder;

fig. 4 is a schematic structural view of the product.

In the drawing the view of the figure,

1. a movable die holder; 100. A moving mold core; 101. a first exhaust section; 102. a split cone;

2. a fixed die holder; 200. a fixed mold core; 201. a second exhaust section; 202. a gate;

3. a first slag ladle;

4. a product flow channel;

5. a second slag ladle;

6. and a third slag ladle.

Description of the embodiments

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1 to 4, the slag ladle exhaust structure of the die-casting mold includes: the movable die holder 1, the movable die holder 1 is provided with a movable die core 100; the fixed die holder 2, the fixed die holder 2 is provided with a fixed die core 200, the movable die holder 1 is positioned below the fixed die holder 2, and when the movable die holder 1 and the fixed die holder 2 are closed, the movable die core 100 and the fixed die core 200 are enclosed to form a product cavity; the outside of product die cavity has arranged first cinder ladle 3, and first cinder ladle 3 and product die cavity intercommunication, and product die cavity has a plurality of product runner 4, and two adjacent product runner 4 convergence points all are provided with second cinder ladle 5, and second cinder ladle 5 and product runner 4 intercommunication.

The movable die holder 1 can realize the compound die or open the mould relative to the fixed die holder 2, when movable die holder 1 and fixed die holder 2 compound die, movable die core 100 supports with fixed die core 200 and forms the product die cavity, at this moment, the convex part on movable die core 100 supports with the convex part on the fixed die core 200 tightly, can form required logical groove when follow-up product is fashioned, then pour into the metal solution into in the product die cavity, the metal solution sets up the flow direction strip product runner 4, the metal solution can be because of the convex part on movable die core 100 receives blocking with the convex part on the fixed die core 200 that the corner is received on product runner 4, result in follow-up flow speed relatively slowing down, at this moment, carry out the material sucking through the second cinder ladle 5 that two adjacent product runners 4 convergence points set up, accelerate the flow path speed of metal solution, and second cinder ladle 5 cooperates first cinder ladle 3 can effectively realize the exhaust, prevent that the shrinkage cavity from appearing in the product after the shaping.

As shown in fig. 2 to 4, the movable die holder 1 is provided with a first air exhaust portion 101, the fixed die holder 2 is provided with a second air exhaust portion 201, when the movable die holder 1 and the fixed die holder 2 are clamped, the first air exhaust portion 101 and the second air exhaust portion 201 form an air exhaust block, and the air exhaust block is communicated with the product cavity.

The first exhaust part 101 is provided with a wavy convex part, the lower end surface of the second exhaust part 201 is provided with a wavy groove which is matched with the first exhaust part, after the movable die holder 1 and the fixed die holder 2 are assembled, the first exhaust part 101 and the second exhaust part 201 form an exhaust block, and then the rear end of the exhaust block is connected with a vacuum valve, and the vacuum valve vacuumizes a product cavity through the exhaust block, so that the phenomenon of shrinkage cavity and deformation of a molded product is further prevented.

As shown in fig. 2, a third ladle 6 is provided between the air-bleed block and the product cavity.

And a third slag ladle 6 is arranged between the exhaust block and the product cavity, and the third slag ladle 6 is arranged to play a role of buffering, so that the exhaust is firstly carried out through the third slag ladle 6, and then the subsequent vacuumizing and exhausting are realized through the exhaust block.

As shown in fig. 1 to 3, a gate 202 is provided on the fixed die holder 2, the gate 202 is communicated with the product cavity, and the gate 202 and the exhaust block are respectively located at two sides of the product cavity.

The gate 202 and the exhaust block are respectively arranged at the left side and the right side of the product cavity, so that the metal feed liquid in the product cavity can be ensured to be filled in the cavity, the exhaust can be effectively realized, and the gas in the product cavity is further reduced.

As shown in fig. 1 to 3, a split cone 102 is provided on a moving core located below a gate 202, and the split cone 102 communicates with a product cavity.

The diversion cone 102 can evenly divert the metal feed liquid poured into the pouring gate 202 to each product runner 4, so that the product can be molded faster and better.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being 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.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; 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.

In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.

Claims

1. A slag ladle exhaust structure of a die casting mold, comprising:

the movable die holder is provided with a movable die core;

2. The slag ladle exhaust structure of a die casting mold according to claim 1, wherein a first exhaust part is arranged on the movable die holder, a second exhaust part is arranged on the fixed die holder, when the movable die holder and the fixed die holder are clamped, an exhaust block is formed by the first exhaust part and the second exhaust part, and the exhaust block is communicated with the product cavity.

3. The slag ladle exhaust structure of a die casting mold as recited in claim 2, wherein a third slag ladle is provided between the exhaust block and the product cavity.

4. The slag ladle exhaust structure of a die casting mold according to claim 2, wherein the fixed mold base is provided with a gate, the gate is communicated with the product cavity, and the gate and the exhaust block are respectively positioned at two sides of the product cavity.

5. The slag ladle exhaust structure of a die-casting mold as recited in claim 4, wherein a split cone is arranged on a movable mold core positioned below the pouring gate, and the split cone is communicated with the product cavity.