阅读说明：本技术 一种复杂型腔汽车铸件全包芯式泥芯结构 (Complete core-wrapping type loam core structure of complex-cavity automobile casting ) 是由 周飞 张建 张亮 代伟 于 2021-06-10 设计创作，主要内容包括：本发明公开了一种复杂型腔汽车铸件全包芯式泥芯结构,涉及泥芯结构技术领域。本发明包括泥芯结构本体,泥芯结构本体的内部设置有隔板、隔板隔开的第一空腔、第二空腔,泥芯结构本体的内部开设有第四空腔、与第四空腔相连通的第五空腔、与第一空腔相连通的第三空腔。本发明通过在泥芯结构本体的一侧开设用于疏通泥芯结构本体内空气的第一槽道、第二槽道,便捷了泥芯结构本体内的空气与外界进行流通,进而方便了对铸造好的汽车铸件进行冷却,加快了汽车铸件的冷却速度,提高了汽车铸件的生产效率。(The invention discloses a complete core-wrapping type loam core structure of a complex-cavity automobile casting, and relates to the technical field of loam core structures. The sand core structure comprises a sand core structure body, wherein a partition plate, a first cavity and a second cavity which are separated by the partition plate are arranged inside the sand core structure body, and a fourth cavity, a fifth cavity communicated with the fourth cavity and a third cavity communicated with the first cavity are formed inside the sand core structure body. According to the invention, the first channel and the second channel for dredging the air in the mud core structure body are arranged on one side of the mud core structure body, so that the air in the mud core structure body can be conveniently circulated with the outside, the cast automobile casting can be conveniently cooled, the cooling speed of the automobile casting is accelerated, and the production efficiency of the automobile casting is improved.)

1. The utility model provides a complicated die cavity car foundry goods wraps core formula loam core structure entirely which characterized in that includes: the mud core structure comprises a mud core structure body (1), wherein a partition plate, a first cavity (2) and a second cavity (3) are arranged in the mud core structure body (1) and are separated by the partition plate, a fourth cavity (16), a fifth cavity (15) communicated with the fourth cavity (16) and a third cavity (13) communicated with the first cavity (2) are formed in the mud core structure body (1);

a first fixing column (6), a second fixing column (8) located on one side of the first fixing column (6) and a third fixing column (10) located on one side of the second fixing column (8) are arranged on one side of the loam core structure body (1), and a first through hole (7) communicated with a third cavity (13) is formed in one side of the first fixing column (6).

2. The fully core-wrapped loam core structure of the complex-cavity automobile casting according to claim 1, wherein a first fixing block (4) is arranged on one side of the loam core structure body (1), and a second through hole (5) is arranged on one side of the first fixing block (4).

3. The core-wrapped type loam core structure of the complex-cavity automobile casting according to claim 1, wherein a sixth cavity (12) communicated with the third cavity (13) is formed inside the loam core structure body (1), and the sixth cavity (12) is communicated with the first through hole (7).

4. The complex-cavity automobile casting full-cored loam core structure as claimed in claim 1, wherein a fourth fixing column (9) is arranged on one side of the second fixing column (8), and a fifth fixing column (11) is arranged on one side of the third fixing column (10).

5. The complex-cavity automobile casting core-covering type loam core structure as claimed in claim 4, wherein a first channel (18) communicated with the fourth cavity (16) is formed inside the fourth fixing column (9), and one end of the fourth fixing column (9) is positioned in the first channel (18).

6. The complex-cavity automobile casting core-covering type loam core structure as claimed in claim 4, wherein one side of the fifth fixing column (11) is provided with a second channel (17) communicated with the fourth cavity (16), and one end of the fifth fixing column (11) is positioned in the second channel (17).

7. The core-wrapped type loam core structure of the complex-cavity automobile casting according to any one of claims 5 and 6, wherein a seventh cavity (14) communicated with the fifth cavity (15) is formed in the loam core structure body (1), and the seventh cavity (14) is communicated with the first channel (18) and the second channel (17).

8. The core-wrapped type loam core structure of the complex-cavity automobile casting according to claim 1, wherein the loam core structure body (1) is internally provided with an eighth cavity (19) communicated with the second cavity (3) and a ninth cavity (20) communicated with the eighth cavity (19).

9. The fully cored loam core structure of complex cavity automobile castings according to claim 8, characterized in that the ninth cavity (20) is communicated with the second cavity (3).

10. The complex-cavity automobile casting core-covering type loam core structure as claimed in claim 1, wherein a sixth fixing column is arranged at one side of the loam core structure body (1), and a third through hole communicated with the second cavity (3) is formed in the sixth fixing column.

Technical Field

The invention belongs to the technical field of loam core structures, and particularly relates to a full-core-wrapping type loam core structure of an automobile casting with a complex cavity.

Background

The sand core structure, i.e. the core, is used to form the internal structure of the casting during casting, and the core sand prepared from raw sand and binder (water glass, resin, etc.) is arranged in a sand box before casting to form a molding cavity, and after the molten metal is poured and condensed, the molten metal is removed during sand discharge, so that the required casting can be obtained. For large annular or rotary members, the integral molding of the sand core is difficult, and for conical annular members, the large end of the conical annular member is arranged below the small end of the conical annular member, and molten metal is poured into a molding cavity from the upper part, so that the heavy core of the conical annular member is higher, easy to fall down, time-consuming and labor-consuming in manufacturing, and difficult to stably place in a sand box.

The existing sand core structure is cooled as required during casting, and the quality of the cast sand core structure is influenced due to uneven cooling during cooling.

Disclosure of Invention

The invention aims to provide a complex-cavity automobile casting full-cored loam core structure, which solves the technical problem that the existing loam core structure is not uniformly cooled.

In order to achieve the purpose, the invention is realized by the following technical scheme:

a core-wrapped type loam core structure of a complex-cavity automobile casting comprises a loam core structure body, wherein a partition plate, a first cavity and a second cavity which are separated by the partition plate are arranged inside the loam core structure body, and a fourth cavity, a fifth cavity communicated with the fourth cavity and a third cavity communicated with the first cavity are formed inside the loam core structure body;

one side of the loam core structure body is provided with a first fixing column, a second fixing column positioned on one side of the first fixing column and a third fixing column positioned on one side of the second fixing column, and one side of the first fixing column is provided with a first through hole communicated with the third cavity.

Optionally, a first fixing block is arranged on one side of the loam core structure body, and a second through hole is formed in one side of the first fixing block.

Optionally, a sixth cavity communicated with the third cavity is formed in the mud core structure body, and the sixth cavity is communicated with the first through hole.

Optionally, a fourth fixing column is mounted on one side of the second fixing column, and a fifth fixing column is mounted on one side of the third fixing column.

Optionally, a second channel communicated with the fourth cavity is formed in one side of the fifth fixing column, and one end of the fifth fixing column is located in the second channel.

Optionally, a seventh cavity communicated with the fifth cavity is formed in the core structure body, and the seventh cavity is communicated with the first channel and the second channel.

Optionally, an eighth cavity communicated with the second cavity and a ninth cavity communicated with the eighth cavity are formed in the loam core structure body.

Optionally, the ninth cavity is in communication with the second cavity.

Optionally, a sixth fixing column is installed on one side of the loam core structure body, and a third through hole communicated with the second cavity is formed in the sixth fixing column.

Optionally, a first channel communicated with the fourth cavity is formed inside the fourth fixing column, and one end of the fourth fixing column is located in the first channel.

The embodiment of the invention has the following beneficial effects:

according to the embodiment of the invention, the first channel and the second channel for dredging the air in the mud core structure body are arranged on one side of the mud core structure body, so that the air in the mud core structure body is convenient to circulate with the outside, the cast automobile casting is convenient to cool, the cooling speed of the automobile casting is accelerated, and the production efficiency of the automobile casting is improved.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic side view of an embodiment of the present invention;

FIG. 3 is a schematic front view of an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of an embodiment of the present invention;

FIG. 5 is a schematic diagram of the structure of a first channel and a second channel according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a fourth cavity according to an embodiment of the invention.

Wherein the figures include the following reference numerals:

the loam core structure comprises a loam core structure body 1, a first cavity 2, a second cavity 3, a first fixing block 4, a second through hole 5, a first fixing column 6, a first through hole 7, a second fixing column 8, a fourth fixing column 9, a third fixing column 10, a fifth fixing column 11, a sixth cavity 12, a third cavity 13, a seventh cavity 14, a fifth cavity 15, a fourth cavity 16, a second channel 17, a first channel 18, an eighth cavity 19 and a ninth cavity 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

To maintain the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known components of the invention have been omitted.

Referring to fig. 1-6, in the present embodiment, a fully cored loam core structure for a complex cavity automobile casting is provided, which includes: the loam core structure comprises a loam core structure body 1, wherein a partition plate, a first cavity 2 and a second cavity 3 partitioned by the partition plate are arranged inside the loam core structure body 1, and a fourth cavity 16, a fifth cavity 15 communicated with the fourth cavity 16 and a third cavity 13 communicated with the first cavity 2 are formed inside the loam core structure body 1;

one side of the loam core structure body 1 is provided with a first fixed column 6, a second fixed column 8 positioned on one side of the first fixed column 6 and a third fixed column 10 positioned on one side of the second fixed column 8, and one side of the first fixed column 6 is provided with a first through hole 7 communicated with a third cavity 13.

When the automobile casting core-wrapped mud core structure needs to be cast, firstly, automobile casting liquid is injected into the mud core structure body 1 through the first cavity 2 and the second cavity 3, the automobile casting liquid flows into the fifth cavity 15 through the third cavity 13, the automobile casting liquid in the fifth cavity 15 flows into the fourth cavity 16, and then the casting of the automobile casting core-wrapped mud core structure is completed.

Through set up first channel 18, the second channel 17 that is used for dredging the interior air of loam core structure body 1 in one side at loam core structure body 1, convenient air in loam core structure body 1 circulates with the external world, and then has made things convenient for and has cooled off the car foundry goods that cast for the cooling rate of car foundry goods has improved the production efficiency of car foundry goods.

As shown in fig. 1, a first fixing block 4 is installed on one side of the loam core structural body 1 of the present embodiment, and a second through hole 5 is opened on one side of the first fixing block 4, which facilitates the placement of the loam core structural body 1 through the second through hole 5.

As shown in fig. 1 and 4, a sixth cavity 12 communicated with the third cavity 13 is formed in the loam core structure body 1 of the present embodiment, and the sixth cavity 12 is communicated with the first through hole 7, so that the automobile casting liquid in the sixth cavity 12 can be conveniently cooled through the first through hole 7.

As shown in fig. 1 and 5, in the present embodiment, a fourth fixing column 9 is installed on one side of the second fixing column 8, a fifth fixing column 11 is installed on one side of the third fixing column 10, a second channel 17 communicated with a fourth cavity 16 is opened on one side of the fifth fixing column 11, one end of the fifth fixing column 11 is located in the second channel 17, a seventh cavity 14 communicated with a fifth cavity 15 is opened inside the loam core structure body 1, and the seventh cavity 14 is communicated with the first channel 18 and the second channel 17, so that air in the loam core structure body 1 is conveniently circulated through the second channel 17.

As shown in fig. 5 and 6, an eighth cavity 19 communicated with the second cavity 3 and a ninth cavity 20 communicated with the eighth cavity 19 are formed in the core structure body 1 of the present embodiment, the ninth cavity 20 is communicated with the second cavity 3, a sixth fixing column is installed at one side of the core structure body 1, a third through hole communicated with the second cavity 3 is formed in the sixth fixing column, so that the casting liquid of the automobile casting can conveniently enter the eighth cavity 19 and the ninth cavity 20 through the second cavity 3, and further the casting of the automobile casting is facilitated.

As shown in fig. 3, a first slot 18 communicated with the fourth cavity 16 is formed inside the fourth fixing post 9 of the present embodiment, and one end of the fourth fixing post 9 is located in the first slot 18.

The above embodiments may be combined with each other.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.