CN210877429U - Wheel casting mould - Google Patents

Abstract

The utility model relates to a casting mould technical field provides a wheel casting mould, including the salt core, salt core upper surface is provided with the toper post, and the cone angle of toper post is unanimous with the cone angle of the wheel bolt casting nest of taking little draft angle, places the wheel in the aquatic after the wheel shaping, and the salt core is dissolved in water to form the little draft angle of wheel bolt casting nest, generate the needs of the little draft angle of wheel when can satisfying the casting, have simple structure simultaneously, be convenient for preparation, stable performance's characteristics.

Description

Wheel casting mould

Technical Field

The application relates to the technical field of casting molds, in particular to a wheel casting mold.

Background

The wheel is the important safety part of car and outward appearance spare, and modern is to the pleasing to the eye requirement of car, and the wheel is absorbed in more the outward appearance effect, and wherein, the front bolt hole casting nest angle of wheel is one of the important factors that influence the wheel outward appearance. In order to meet the requirement of wheel molding, a small drawing angle is usually required for the wheel bolt hole casting nest, but the small drawing angle can cause the defects of aluminum adhesion and the like during demolding of the wheel.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a wheel casting mould, can satisfy the needs that generate the little draft angle of wheel when casting, has simple structure, the preparation of being convenient for simultaneously, stable performance's characteristics.

In order to achieve the above object, the present invention provides the following technical solutions:

the first aspect provides a wheel casting mould, including die block, side forms, top mould, the inner chamber that die block, side forms and top mould formed is mould cavity, its characterized in that promptly: the salt core is placed on the bottom die, a through hole is formed in the middle of the salt core and corresponds to an aluminum liquid injection port, a plurality of positioning holes are uniformly formed in the salt core along the circumference, the number of the positioning holes is consistent with that of bolt hole bosses on the bottom die, the positions of the positioning holes correspond to bolt hole bosses on the bottom die, and the bolt hole bosses on the bottom die can be placed in the positioning holes; a plurality of conical columns are uniformly arranged on the upper surface of the salt core along the circumference, the conical columns correspond to the wheel bolt hole casting nests, and the cone angle of each conical column is consistent with that of the wheel bolt casting nest with a small draft angle; the through-hole inside of salt core is provided with the boss, and the filter screen is placed on the boss, and the reposition of redundant personnel awl is installed on the top die, and the reposition of redundant personnel awl can compress tightly the salt core through the filter screen.

In some embodiments, the locating holes and tapered columns are spaced apart along the circumference of the salt core.

In some embodiments, the number of locating holes and bolt hole bosses on the bottom die is 3, 5, or 6.

In some embodiments, the taper of the tapered post corresponds to the draft angle of the wheel bolt casting nest.

In some embodiments, the salt core is compressed from a water soluble salt material.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a wheel casting mould, including the salt core, salt core upper surface is provided with the toper post, and the cone angle of toper post is unanimous with the cone angle of the wheel bolt casting nest of little draft angle in area, places the wheel aquatic after the wheel shaping, and the salt core is dissolved in water to form the little draft angle of wheel bolt hole casting nest, generate the needs of the little draft angle of wheel when can satisfying the casting, have simple structure simultaneously, be convenient for preparation, stable performance's characteristics. In addition, the filter screen is arranged in the mould, so that molten aluminum can be filtered, impurities are prevented from rushing into a cavity of the mould to cause quality problems, and the shunting cone is compressed tightly by the filter screen to compress the salt core, so that the salt core is positioned in the mould.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, 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 application, 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 view of a wheel casting mold of the present invention;

fig. 2 is a schematic structural view of a salt core of the wheel casting mold of the present invention;

FIG. 3 is a schematic structural view of a salt core of the wheel casting mold of the present invention along the A-A section;

fig. 4 is a schematic structural diagram of a filter screen of the wheel casting mold of the present invention;

wherein: 1-bottom die, 2-side die, 3-salt core, 4-filter screen, 5-spreader cone, 6-top die, 3-1-positioning hole, 3-2-through hole and 3-3-conical column.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terms "first," "second," "third," and "fourth," etc. in the description and claims of this application and in the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Example 1:

the following description will explain embodiment 1 of the present application with reference to the accompanying drawings 1-4 of the specification, in which a wheel casting mold, that is, a wheel small draft angle forming mold, includes a bottom mold 1, a side mold 2, a salt core 3, a filter screen 4, a spreader cone 5, a top mold 6, and an inner cavity formed by the bottom mold 1, the side mold 2 and the top mold 6 is a mold cavity, the salt core 3 is formed by pressing a water-soluble salt material, the salt core 3 is placed on the bottom die 1, a through hole 3-2 is formed in the middle of the salt core 3, the through hole 3-2 corresponds to an aluminum liquid injection port, a plurality of positioning holes 3-1 are uniformly formed in the salt core 3 along the circumference, the number of the positioning holes 3-1 is consistent with that of bolt hole bosses on the bottom die 1, in the embodiment, the number of the positioning holes 3-1 is 5, the positions of the positioning holes 3-1 correspond to the bolt hole bosses on the bottom die 1, and the bolt hole bosses on the bottom die 1 can be placed in the positioning holes 3-1; the upper surface of the salt core 3 is uniformly provided with a plurality of conical columns 3-3 along the circumference, the number of the conical columns 3-3 is 5 in the embodiment, the conical columns 3-3 correspond to the wheel bolt hole casting sockets, the cone angles of the conical columns 3-3 are designed according to the wheel bolt casting socket angles, the cone angles of the conical columns 3-3 are consistent with the cone angles of the wheel bolt casting sockets with small draft angles, and in addition, the cone slope of the conical columns 3-3 is consistent with the draft angle of the wheel bolt casting sockets; as can be seen in fig. 2, the positioning holes 3-1 and the tapered columns 3-3 are spaced along the circumference of the salt core 3. The boss is arranged inside the through hole 3-2 of the salt core 3, the filter screen 4 is placed on the boss, the diffluence cone 5 is installed on the top die 6, when the wheel die is assembled, the diffluence cone 5 can press the salt core 3 through the filter screen 4, and the salt core 3 is positioned in the die.

During actual use, firstly, the salt core 3 is placed on the bottom die 1, the boss of the bolt hole of the bottom die 1 is placed in the positioning hole 3-1 of the salt core 3, the filter screen 4 is placed on the boss 3-2 of the inner hole of the salt core 3, then, the die is closed, the inner cavity formed by the bottom die 1, the side die 2 and the top die 6 is the wheel blank, at the moment, the shunting cone 5 on the top die 6 is tightly pressed on the salt core 3 through the filter screen 4, the salt core 3 is clamped and positioned in the die, finally, the molten aluminum is filled in the cavity of the die, after the wheel is formed, the wheel is placed in water, the salt core 3 is melted in the water, and finally, the small die-drawing angle is completed by casting the bolt hole of.

The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (5)

1. The utility model provides a wheel casting mould, includes die block, side forms, top mould, and the inner chamber that die block, side forms and top mould formed is the mould cavity promptly, its characterized in that: the salt core is placed on the bottom die, a through hole is formed in the middle of the salt core and corresponds to an aluminum liquid injection port, a plurality of positioning holes are uniformly formed in the salt core along the circumference, the number of the positioning holes is consistent with that of bolt hole bosses on the bottom die, the positions of the positioning holes correspond to bolt hole bosses on the bottom die, and the bolt hole bosses on the bottom die can be placed in the positioning holes; a plurality of conical columns are uniformly arranged on the upper surface of the salt core along the circumference, the conical columns correspond to the wheel bolt hole casting nests, and the cone angle of each conical column is consistent with that of the wheel bolt casting nest with a small draft angle; the through-hole inside of salt core is provided with the boss, and the filter screen is placed on the boss, and the reposition of redundant personnel awl is installed on the top die, and the reposition of redundant personnel awl can compress tightly the salt core through the filter screen.

2. A wheel casting mold as claimed in claim 1, wherein the locating holes and tapered columns are spaced around the circumference of the salt core.

3. The wheel casting mold of claim 1, wherein the number of the pilot holes and the bolt hole bosses on the bottom mold is 3, 5, or 6.

4. A wheel casting mold as claimed in claim 1, wherein the taper of the tapered post is consistent with the draft of the wheel bolt casting socket.

5. A wheel casting mold as claimed in claim 1, wherein said salt core is pressed from a water soluble salt.

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