阅读说明：本技术 一种油道孔板铸件浇注系统 (Oil duct orifice plate casting gating system ) 是由 陈贞军 易方富 于 2020-07-24 设计创作，主要内容包括：本发明提供一种油道孔板铸件浇注系统,包括浇道系统和若干型腔,所述浇道系统包括直浇道、横浇道、分支浇道以及次分支浇道,所述直浇道与所述横浇道连通并形成有第一弯折区；所述分支浇道对称地连通设置在所述横浇道的两侧,且所述分支浇道与所述横浇道的连通处到所述横浇道的末端形成有第一缓存区；所述次分支浇道对称地连通设置在所述分支浇道的两侧,且所述次分支浇道与所述分支浇道的连通处设置有第二缓存区；所述型腔包括圆柱形腔部和环板形腔部,所述内浇口连通设置在所述圆柱形腔部上,且所述内浇口的注液方向与所述圆柱形腔部的轴线不重叠。本发明能有效提高油道孔板铸件的生产效率,大大提高油道孔板的生产质量,提高经济效益。(The invention provides an oil duct pore plate casting pouring system which comprises a pouring gate system and a plurality of cavities, wherein the pouring gate system comprises a sprue, a cross gate, a branch pouring gate and a secondary branch pouring gate, and the sprue is communicated with the cross gate and is provided with a first bending area; the branch pouring channels are symmetrically communicated and arranged on two sides of the cross pouring channel, and a first cache region is formed from the communication position of the branch pouring channel and the cross pouring channel to the tail end of the cross pouring channel; the secondary branch pouring channels are symmetrically communicated and arranged on two sides of the branch pouring channels, and a second cache region is arranged at the communication position of the secondary branch pouring channels and the branch pouring channels; the cavity comprises a cylindrical cavity part and a ring plate-shaped cavity part, the inner sprue is communicated with the cylindrical cavity part, and the liquid injection direction of the inner sprue is not overlapped with the axis of the cylindrical cavity part. The invention can effectively improve the production efficiency of the oil duct pore plate casting, greatly improve the production quality of the oil duct pore plate and improve the economic benefit.)

1. An oil duct orifice plate casting gating system, comprising:

the runner system comprises a sprue, a cross runner, a branch runner and a secondary branch runner, the head end of the sprue is communicated with the sprue, and the tail end of the sprue is communicated with the head end of the cross runner and is provided with a first bending area; the branch pouring channels are symmetrically communicated and arranged on two sides of the cross pouring channel, a first cache region is formed from the communication position of the branch pouring channel and the cross pouring channel to the tail end of the cross pouring channel, and a second bending region is formed from the communication position of the branch pouring channel and the cross pouring channel; the secondary branch pouring channels are symmetrically communicated and arranged on two sides of the branch pouring channels, second cache regions are arranged at the communication positions of the secondary branch pouring channels and the branch pouring channels, and the tail ends of the secondary branch pouring channels are provided with inner gates;

the die cavity corresponds the setting of oil duct orifice plate, including cylindrical chamber portion and ring plate shape chamber portion, the die cavity with the ingate one-to-one, the ingate intercommunication sets up on the cylindrical chamber portion, just the notes liquid direction of ingate with the axis of cylindrical chamber portion does not overlap.

2. The pouring system for the orifice plate casting of the oil gallery according to claim 1, wherein the first bending area is a smooth transition with an equal sectional area and comprises an inner side angle and an outer side angle which are formed by bending, and the ratio of the inner side angle to the outer side angle is greater than or equal to 3: 1.

3. The gating system for an orifice plate casting according to claim 1, wherein the cross-sectional area ratio of the cross runner to the branch runners is less than or equal to 3: 1.

4. The gating system for an orifice plate casting according to claim 1 or 3, wherein the second inflection zone is a rounded corner disposed between the cross runner and the branch runner, and a ratio of a radius of the second inflection zone to a width of the branch runner is 1: (1-1.5).

5. The gating system of claim 1, wherein the cross-sectional area of the secondary branch runner decreases progressively from the head end to the tail end of the secondary branch runner.

6. The pouring system for the orifice plate casting of the oil passage according to claim 1 or 5, wherein the head ends of the secondary branch runners are communicated with and arranged on two sides of the tail end of the branch runner, and the tail end of the branch runner is provided with an arc-shaped flow guide structure which is symmetrically arranged along the center line of the branch runner.

7. The pouring system for the oil passage pore plate castings according to claim 6, wherein the secondary branch pouring channels symmetrically arranged along the length direction of the branch pouring channels and the tail ends of the branch pouring channels are arranged in a convex shape, and the convex top of the convex shape is the second buffer area;

the branch pouring gate is communicated with the convex top of the convex shape, and two sides of the convex shape are the inner pouring gates.

8. The gating system for the orifice plate castings according to claim 1, wherein the sprue and the runner, the runner and the branch runner, and the branch runner and the sub-branch runner are all in right-angle communication.

9. The pouring system for the oil passage orifice plate casting according to claim 1, further comprising an overflow discharge system, wherein the overflow discharge system comprises a plurality of overflow cavities, a plurality of overflow ports are arranged at one end of the annular plate cavity part, which is far away from the cylindrical cavity part, and the overflow cavities are communicated with the overflow ports.

10. The gating system for an orifice plate casting according to claim 9, wherein the total volume of the overflow chambers disposed in the same cavity is greater than or equal to one quarter of the total volume of a single cavity.

Technical Field

The invention belongs to the technical field of automobile engine part casting, and particularly relates to a pouring system for an oil duct pore plate casting.

Background

The oil duct pore plate of the automobile engine has the characteristics of small size, high thickness-to-thickness ratio, high precision and internal quality requirements and the like, and particularly has strict pore standard; in the traditional technology, when the orifice plate of the oil passage is cast, in order to ensure that a casting can meet the requirement, a pouring mode of one die and one cavity is usually adopted, but the production efficiency is seriously restricted, and higher production cost is caused.

In addition, for a specific type of oil duct pore plate, the maximum thickness of the oil duct pore plate during pouring is about 30mm, and the thinnest thickness is only about 3mm, so that the conventional casting method is adopted for pouring under the structure, the die-casting defects such as air holes, insufficient casting, looseness, deformation and the like are easily caused, and the production quality of castings is difficult to effectively ensure.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention aims to provide the pouring system for the oil duct pore plate casting, which can effectively improve the production efficiency of the oil duct pore plate casting, greatly improve the production quality of the oil duct pore plate casting and improve the economic benefit.

The technical scheme adopted by the invention for solving the technical problems is as follows:

an oil gallery orifice plate casting gating system, comprising:

the runner system comprises a sprue, a cross runner, a branch runner and a secondary branch runner, the head end of the sprue is communicated with the sprue, and the tail end of the sprue is communicated with the head end of the cross runner and is provided with a first bending area; the branch pouring channels are symmetrically communicated and arranged on two sides of the cross pouring channel, a first cache region is formed from the communication position of the branch pouring channel and the cross pouring channel to the tail end of the cross pouring channel, and a second bending region is formed from the communication position of the branch pouring channel and the cross pouring channel; the secondary branch pouring channels are symmetrically communicated and arranged on two sides of the branch pouring channels, second cache regions are arranged at the communication positions of the secondary branch pouring channels and the branch pouring channels, and the tail ends of the secondary branch pouring channels are provided with inner gates;

the die cavity corresponds the setting of oil duct orifice plate, including cylindrical chamber portion and ring plate shape chamber portion, the die cavity with the ingate one-to-one, the ingate intercommunication sets up on the cylindrical chamber portion, just the notes liquid direction of ingate with the axis of cylindrical chamber portion does not overlap.

Preferably, the first bending area is a smooth transition with an equal cross-sectional area, and comprises an inner side angle and an outer side angle formed by bending, and the ratio of the inner side angle to the outer side angle is greater than or equal to 3: 1.

Preferably, the cross-sectional area ratio of the horizontal runner to the branch runner is less than or equal to 3: 1.

Preferably, the second bending area is a rounded corner disposed between the horizontal runner and the branch runner, and a ratio of a radius of the second bending area to a width of the branch runner is 1: (1-1.5).

Preferably, the cross-sectional area of the secondary branch runner gradually decreases from the head end to the tail end thereof.

Preferably, the head ends of the secondary branch runners are all communicated with and arranged on two sides of the tail end of the branch runner, the tail end of the branch runner is provided with an arc-shaped flow guide structure, and the arc-shaped flow guide structures are symmetrically arranged along the central line of the branch runner.

Preferably, the secondary branch pouring channels symmetrically arranged along the length direction of the branch pouring channel and the tail ends of the branch pouring channels are arranged in a convex shape, and the convex top of the convex shape is the second cache region;

the branch pouring gate is communicated with the convex top of the convex shape, and two sides of the convex shape are the inner pouring gates.

Preferably, the straight pouring channel and the horizontal pouring channel, the horizontal pouring channel and the branch pouring channel, and the branch pouring channel and the secondary branch pouring channel are all arranged in a right-angle communication manner.

Preferably, the overflow system comprises a plurality of overflow cavities, a plurality of overflow ports are formed in one end, far away from the cylindrical cavity, of the annular plate-shaped cavity, and the overflow cavities are communicated with the overflow ports.

Preferably, the total volume of the overflow chambers provided on the same cavity is greater than or equal to one quarter of the total volume of a single cavity.

Compared with the prior art, the invention has the beneficial effects that:

the first bending area is arranged in the scheme, so that the pouring liquid can keep certain smoothness in the pouring process, the energy loss caused by direct impact on a die is avoided, and the influence on the internal quality of a casting caused by liquid injection and gas wrapping during direct scouring is avoided; in addition, as the end position of sprue, the notes liquid flow here is great, and the first bending region of setting can also effectively avoid annotating the stress concentration of liquid in mould transition position department to effectively prolong the life of mould.

The tail end of the cross gate is provided with a first cache region which can be used as a cold material groove and used for collecting liquid injection cold materials and coiling gas in the cross gate and the cross gate, so that the liquidity and the quality of liquid injection in the branch gate are improved; similarly, the second buffer area can also play a role of a cold trough, so that the molding quality of the casting is further improved.

The flow gate sets up on cylindrical cavity portion and staggers with the axis of cylindrical cavity portion in this scheme, has utilized the shape characteristic of foundry goods ingeniously for annotate and can form the spiral-flow type after the liquid pours into the die cavity and fill, avoid annotating the liquid and appear scouring and colliding and cause energy loss in the die cavity, ensure foundry goods shaping quality.

Meanwhile, the whole pouring gate system is designed in the scheme, such as the design of a bending area, the arrangement of a cache area and the like, so that a plurality of oil duct pore plate castings can be poured on one set of die at the same time, and the production efficiency is effectively improved; in addition, due to the careful design of the pouring gate system and the arrangement design between the pouring gate system and the cavities, synchronous pouring of all the cavities can be realized, the molding quality of castings is greatly improved, and the economic benefit of production operation is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of the present invention.

FIG. 2 is a schematic structural view of a runner system of the present invention.

Fig. 3 is a schematic structural view of the die cavity of the invention.

Wherein:

1-runner system, 11-sprue, 111-first bending region, 12-cross runner, 121-first buffer region, 13-branch runner, 131-second bending region, 132-arc diversion structure, 14-secondary branch runner and 141-second buffer region;

2-cavity, 21-cylindrical cavity part and 22-annular plate cavity part;

3-drainage system, 31-overflow chamber.

Detailed Description

So that the manner in which the above recited objects, features and advantages of the present invention can be understood in detail, a more particular description of the invention, briefly summarized above, may be had by reference to the embodiments thereof which are illustrated in the appended drawings. In addition, the embodiments and features of the embodiments of the present application may be combined with each other without conflict. In the following description, numerous specific details are set forth to provide a thorough understanding of the present invention, and the described embodiments are merely a subset of the embodiments of the present invention, rather than a complete embodiment. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.