CN216705856U

CN216705856U - Pump cover casting blank

Info

Publication number: CN216705856U
Application number: CN202123186115.9U
Authority: CN
Inventors: 刘少利; 叶少腾; 张义涛; 康健; 马宏涛; 李元臻
Original assignee: Xi'an Heli Auto Parts Co ltd
Current assignee: Xi'an Heli Auto Parts Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-06-10
Anticipated expiration: 2031-12-17

Abstract

The application relates to the technical field of end cover casting, and particularly discloses a pump cover casting blank which comprises a cover main body, a first circular table, a boss and a slag collecting block; the first round table is fixedly connected to the end face of the cover main body; the boss is fixedly connected to the side face, away from the cover main body, of the first round table; the slag collecting block is fixedly connected to the side face, deviating from the first round table, of the boss. The application has solved among the prior art can't supplement the shrinkage porosity position effectively to the molten iron when casting the pump cover, causes the follow-up technical problem who leaks to appear when using of pump cover, has realized can being when casting the pump cover, thereby increase the feeding passageway and make the molten iron can effectively supplement the shrinkage porosity position in time, avoids appearing the purpose of shrinkage porosity and leakage.

Description

Pump cover casting blank

Technical Field

The application relates to the technical field of end cover casting, in particular to a pump cover casting blank.

Background

The casting thermal node refers to a node or a local area in a casting, which is slower than the peripheral metal solidification, in the solidification process of molten iron, and can also be a place for final cooling and solidification; it is known that because of the structure and casting parameters, the molten iron solidification time in the molten state at each point in the mold cavity is unequal, which can generate thermal stress on the casting after solidification, causing casting deformation, cracks and the like, and meanwhile, because of the unequal cooling solidification time, the casting can have the defects of shrinkage porosity, cold shut, air holes and the like.

The pump cover is a sealing element, generally, the pump cover is manufactured through a casting process, and the cover main body is solid and has larger thickness, so that the pump cover is in the casting process, casting hot spots are easy to appear on the position of the cover main body, and then shrinkage porosity appears inside the cover main body.

SUMMERY OF THE UTILITY MODEL

This application is through providing a pump cover foundry goods blank, and the molten iron can't supply the shrinkage porosity position effectively when having solved among the prior art to the pump cover casting, causes the follow-up technical problem that appears leaking of pump cover when using, has realized can be when casting the pump cover, thereby increase feeding channel makes the molten iron can effectively supply the shrinkage porosity position in time, avoids appearing the purpose of shrinkage porosity and leakage.

The application provides a pump cover casting blank which comprises a cover main body, a first circular table, a boss and a slag collecting block; the first round table is fixedly connected to the end face of the cover main body; the boss is fixedly connected to the side face, away from the cover main body, of the first round table; the slag collecting block is fixedly connected to the side face, deviating from the first round table, of the boss.

In a possible implementation manner, the device further comprises a second circular table; the second round platform is arranged between the first round platform and the boss and is fixedly connected with the first round platform; the boss is fixedly connected to the side face, deviating from the first round table, of the second round table.

In a possible implementation manner, the area of the bottom surface of the boss is smaller than the area of the top surface of the first circular truncated cone.

In one possible implementation, the area of the bottom surface of the clinker is smaller than the area of the top surface of the boss.

In one possible implementation manner, the cover main body, the first circular truncated cone, the boss and the slag collection block are integrally cast and molded.

In one possible implementation, the cover body, the first circular truncated cone, and the edge of the boss are all provided with a casting fillet.

One or more technical solutions provided in the present application have at least the following technical effects or advantages:

the cover comprises a cover main body, a first round table, a boss and a slag collecting block; fixedly connecting the first round table to the end face of the cover main body; then fixedly connecting the boss to the side surface of the first round table departing from the cover main body; at last with album sediment piece fixed connection in the side that the boss deviates from first round platform, through increase first round platform in covering the main part, boss and album sediment piece, feeding channel has been increased in other words, make the molten iron can supply the shrinkage porosity position of pump cover fully at the casting in-process, make the pump cover fill the type complete abundant, the molten iron can't supply the shrinkage porosity position effectively when effectively having solved among the prior art casting the pump cover, cause the follow-up technical problem that leaks appears when using of pump cover, realized can casting the pump cover, thereby increase feeding channel makes the molten iron can effectively supply the shrinkage porosity position in time, the technological effect of shrinkage porosity and leakage is avoided appearing.

Drawings

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

FIG. 1 is an isometric view of a pump cover casting blank provided in accordance with an embodiment of the present application;

FIG. 2 is an isometric view of a pump cover casting blank provided by the embodiment of the present application with the addition of a second frustum;

FIG. 3 is an isometric view II of a pump cover casting blank provided in an embodiment of the present application;

fig. 4 is an axonometric view of a pump cover casting blank provided by the embodiment of the present application after removing a clinker.

Reference numerals are as follows: 1-a cap body; 2-a first circular table; 3-boss; 4-slag collection; 5-the second round platform.

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 some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the present invention. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

Referring to fig. 1, 3 and 4, a pump cover casting blank provided by the embodiment of the application comprises a cover main body 1, a first circular table 2, a boss 3 and a slag collecting block 4; the first round table 2 is fixedly connected with the end surface of the cover main body 1; the boss 3 is fixedly connected to the side surface of the first round table 2 departing from the cover main body 1; the slag collecting block 4 is fixedly connected to the side surface of the boss 3 deviating from the first round table 2. In the embodiment of the application, the first circular truncated cone 2 is fixedly connected to the top surface of the cover main body 1, and then the boss 3 is fixedly connected to the top surface of the first circular truncated cone 2, so that the axial size of a pump cover blank is increased, the increased first circular truncated cone 2 is equivalent to increasing a feeding channel when molten iron flows in the casting process (the position of the first circular truncated cone 2 corresponding to a mold is equivalent to increasing the space of a mold cavity), the boss 3 is further fixedly connected to the top surface of the first circular truncated cone 2, and the increased boss 3 is equivalent to further increasing the feeding channel in the casting process, therefore, in the embodiment of the application, the feeding channel is increased by increasing the first circular truncated cone 2 and the boss 3, so that the molten iron can timely and effectively supplement a shrinkage and loosening part of a pump cover through the feeding channel, and the defect of leakage caused by shrinkage and loosening of the pump cover casting blank after being cooled and formed is avoided, the collection sediment piece 4 that sets up can collect the impurity in the molten iron effectively, behind pump cover foundry goods blank cooling shaping, processes the excision with first round platform 2, boss 3 and collection sediment piece 4 to obtain the semi-manufactured goods of pump cover, can obtain the finished product of pump cover to pump cover punching a hole and the tapping.

Referring to fig. 2, the pump cover casting blank provided by the embodiment of the present application further includes a second circular table 5; the second round table 5 is arranged between the first round table 2 and the boss 3, and the second round table 5 is fixedly connected to the first round table 2; the boss 3 is fixedly connected to the side surface of the second round table 5 departing from the first round table 2. In the embodiment of the application, the second round table 5 is further added between the first round table 2 and the boss 3, which is equivalent to further increase of the thickness of the first round table 2, and the feeding channel added is further enlarged through the first round table 2 and the second round table 5, so that molten iron of the pump cover can be supplemented more fully in the casting process, and the mold cavity filling is more complete.

Referring to fig. 1, the area of the bottom surface of the boss 3 is smaller than that of the top surface of the first circular truncated cone 2. Set up the medial surface of boss 3 into the column structure of bending in this application embodiment, set up the lateral surface of boss 3 into arc column structure to the radian is the same with the lateral surface of first round platform 2, need not in this application embodiment with the area design of boss 3 very big, only need can leave the space of appropriate feeding passageway can.

Referring to fig. 1, the area of the bottom surface of the slag collection block 4 is smaller than the area of the top surface of the boss 3. In the embodiment of the application, the area of the bottom surface of the slag collecting block 4 is designed to be smaller than that of the top surface of the boss 3, so that enough space is reserved, and the impurities in the molten iron can be collected in the casting process.

Referring to fig. 1 and 3, the cover main body 1, the first circular truncated cone 2, the boss 3 and the slag collection block 4 are integrally cast. In the embodiment of the application, the cover main body 1, the first round table 2, the boss 3 and the slag collecting block 4 are integrally cast and molded in the cavity.

Referring to fig. 1 and 3, cast fillets are formed on the edges of the cover body 1, the first circular truncated cone 2 and the boss 3. The purpose of all offering the casting fillet at the arris of lid main part 1, first round platform 2 and boss 3 in this application embodiment is to avoid having the closed angle position to lead to stress to produce on the mould, reduces the thermal fatigue that the local heat of mould concentrates the production.

The embodiment of the application provides a casting principle of pump cover foundry goods blank as follows:

in the embodiment of the application, a first circular truncated cone 2, a second circular truncated cone 5 and a boss 3 are sequentially arranged on a cover main body 1, so that the axial size of a pump cover blank is increased, a feeding channel is formed at the corresponding positions of the first circular truncated cone 2, the second circular truncated cone 5 and the boss 3 in a cavity, the feeding channel is further filled after the cover main body 1 is filled with molten iron in the casting process of a pump cover casting blank, so that the first circular truncated cone 2, the second circular truncated cone 5 and the boss 3 are gradually supplemented and formed, finally, impurities in the molten iron float in the space of a slag collecting block 4 and form a slag collecting block 4, the feeding channel is additionally arranged in the casting process of the pump cover casting blank through the first circular truncated cone 2, the second circular truncated cone 5 and the boss 3, the molten iron can timely and effectively supplement a shrinkage part of a pump cover through the feeding channel, and the defect that the pump cover casting blank is subjected to shrinkage and leakage is caused after being cooled and formed is avoided, the collection sediment piece 4 that sets up can collect the impurity in the molten iron effectively, after pump cover foundry goods blank cooling shaping, processes excision first round platform 2, second round platform 5, boss 3 and collection sediment piece 4 to obtain the semi-manufactured goods of pump cover, punching a hole and the tapping can obtain the finished product of pump cover to the pump cover.

The embodiments in the present specification are described in a progressive manner, and the same or similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure.

Claims

1. A pump cover casting blank is characterized by comprising a cover main body (1), a first round table (2), a boss (3) and a slag collecting block (4);

the first round table (2) is fixedly connected to the end face of the cover main body (1);

the boss (3) is fixedly connected to the side face, deviating from the cover main body (1), of the first round table (2);

the slag collecting block (4) is fixedly connected to the side face, deviating from the first round table (2), of the boss (3).

2. A pump cap casting blank according to claim 1, further including a second boss (5);

the second round platform (5) is arranged between the first round platform (2) and the boss (3), and the second round platform (5) is fixedly connected to the first round platform (2);

the boss (3) is fixedly connected to the side face, deviating from the first round platform (2), of the second round platform (5).

3. A pump cap casting blank according to claim 1, wherein a bottom surface area of the boss (3) is less than a top surface area of the first boss (2).

4. A pump cover casting blank according to claim 1, characterized in that the area of the bottom surface of the slug (4) is smaller than the area of the top surface of the boss (3).

5. A pump cover casting blank according to claim 1, wherein the cover body (1), the first truncated cone (2), the boss (3), and the slug (4) are integrally cast.

6. The pump cover casting blank according to claim 1, wherein cast fillets are formed in edges of the cover body (1), the first circular truncated cone (2) and the boss (3).