CN206263237U - An S-shaped cushioning die-casting mold runner structure - Google Patents

Abstract

The utility model relates to a S type buffering formula die mould runner structure, including main pouring gate, sprue and interior runner of advancing, main feeding waters intercommunication sprue, the sprue is S type bend structure, sprue in the vertical intercommunication in sprue in the sprue middle part, interior runner intercommunication mould die cavity, interior runner is located the die cavity short side, the terminal intercommunication buffering package of sprue, main feeding waters intercommunication sprue, the sprue is S type bend structure, the stroke of runner flow direction has effectively been shortened, liquid material can be faster, more steady entering mould die cavity, increase production speed, reduce the waste residue, prevent eddy current phenomenon, the qualification rate is improved, the beautiful generous production defect of product appearance, and the terminal intercommunication buffering package of sprue of S type, have the cushioning protection effect, reduce the impact damage of fast-speed liquid material to the mould, increase the life of mould, the commonality is strong, the high-speed, the product is strong, Has wide application range and wide market value.

Description

An S-shaped cushioning die-casting mold runner structure

technical field

The utility model relates to the technical field of die-casting molds, in particular to an S-shaped buffer type die-casting mold runner structure.

Background technique

At present, most of the optical communication connector products, optical module connector products, high-precision, high-quality, small-scale products and other similar products in the electronic market are produced by die-casting molds. The principle of die-casting is that liquid materials are in the state of high temperature and high pressure. Down through the gate of the runner, it is injected into the cavity of the mold at high speed, and is rapidly cooled and formed. This kind of die-casting mold adopts the runner structure of the longest side of the product, and the following disadvantages are found in the use of this glue-feeding structure. : First, the runners and gates are too long, and the number of matching overflow grooves increases, which leads to high waste slag rate in production castings, low material utilization rate, and increased production costs; The pressure is easy to lose, the pouring is easy to divert and produce eddy current phenomenon, the qualified rate of the product is extremely low, and the product often has defects such as air bubbles, trachoma, water marks, etc. The defect rate is as high as more than 50%, which cannot meet the actual needs of production.

Utility model content

In order to solve technical problems such as high waste slag rate and product defects in the prior art pouring type flow channel structure, the utility model provides an S-shaped buffer die-casting mold flow channel that effectively utilizes materials, reduces waste materials, and improves product qualification rate The structure, the specific technical scheme is as follows:

An S-shaped buffer type die-casting mold runner structure, including a main runner, a main runner and an inner gate, the main runner is connected to the main runner, the main runner is an S-shaped curved structure, and the middle part of the main runner is longitudinally connected to the inner runner. The gate, the inner gate is connected to the mold cavity, the inner gate is located on the short side of the cavity, and the end of the main channel is connected to the buffer bag.

Preferably, there are two main channels and they are mirror images of each other.

Preferably, the mold core is provided with an overflow groove, and the overflow groove is located on the opposite side of the inner gate.

Beneficial effects of the utility model: the main runner is connected to the main channel, and the main channel is an S-shaped curved structure, which effectively shortens the flow direction of the runner, and the liquid material can enter the mold cavity faster and more stably, increasing the production speed , reduce waste residue, prevent eddy current phenomenon, improve the qualified rate, the product appearance is beautiful and generous without production defects, and the end of the S-shaped main channel is connected to the buffer bag, which has the function of buffer protection, reduces the impact damage of the high-speed liquid material on the mold, and increases the mold. Long service life, strong versatility, wide application range, and wide market value.

Description of drawings

Fig. 1 is a structural diagram of the utility model.

In the figure, 1—main runner, 2—main runner, 3—buffer bag, 4—inner gate, 5—overflow groove, 6—mold core.

detailed description

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described further:

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the referred position or element must have a specific orientation, to use a specific The azimuth structure and operation, therefore can not be construed as the limitation of the present utility model.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention depending on the specific circumstances.

As shown in Figure 1, an S-shaped buffer die-casting mold runner structure includes a main runner 1, a main runner 2 and an inner gate 3 arranged above the mold core 6, and the main runner 1 is connected to the main runner. 2. The main channel 2 is an S-shaped curved structure. There are two main channels 2 and they are mirror images of each other. The middle part of the main channel 2 is connected to the inner gate 4 longitudinally. Located on the short side of the cavity, the end of the sprue 2 is connected to the buffer package 3, which can effectively slow down the impact of the high-speed fluid and the vibration of the mold.

The mold core is provided with an overflow groove 5, and the overflow groove 5 is located on the opposite side of the inner gate 4. The number of overflow grooves 5 corresponds to the inner gate 4. When die-casting products, the overflow groove 5 removes gas and paint Ember and cold metal to improve the quality of castings, eliminate and reduce casting defects (such as cold shut, porosity, slag inclusions, shrinkage cavities, defects, etc.) and improve the heat balance of the mold.

When the mold is working, the liquid material enters the sprue 2 at high speed through the main runner 1, and the sprue 2 is an S-shaped curved structure, which shortens the stroke of the fluid, and enters the mold cavity from the inner gate 3 faster to form, and the inner gate Port 3 is located on the short side of the cavity, further shortening the stroke, keeping the pressure well and pouring without diversion, low production cost, reducing material waste, and can produce products that meet the process requirements and meet the current ever-changing market requirements for product quality. demand.

The above content is a further detailed description of the utility model in conjunction with specific preferred embodiments. It cannot be determined that the specific implementation of the utility model is only limited to these descriptions. Under the premise of the concept of the utility model, some simple deduction or replacement can also be made, which should be regarded as belonging to the protection scope of the utility model.

Claims (3)

1. An S-shaped buffer die-casting mold runner structure, including a main runner (1), a main runner (2) and an inner gate (4), and the main runner (1) is connected to the main runner (2) , which is characterized in that: the sprue (2) is an S-shaped curved structure, the middle of the sprue (2) is longitudinally connected to the inner gate (4), the inner gate (4) is connected to the mold cavity, and the inner gate ( 4) Located on the short side of the cavity, the end of the sprue (2) is connected to the buffer package (3). 2. The S-shaped buffer die-casting mold runner structure according to claim 1, characterized in that there are two main runners (2) which are mirror images of each other. 3. An S-shaped buffer die-casting mold runner structure according to claim 1, characterized in that: the mold core is provided with an overflow groove (5), and the overflow groove (5) is located at the inner gate (4) the opposite side of the .