CN216263353U

CN216263353U - Automobile wheel rim shell core structure

Info

Publication number: CN216263353U
Application number: CN202122562734.7U
Authority: CN
Inventors: 赵洪超; 姜惠利; 马之良
Original assignee: Laiyang Xinhe Casting Machinery Co ltd
Current assignee: Laiyang Xinhe Casting Machinery Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-04-12
Anticipated expiration: 2031-10-25

Abstract

The application relates to an automobile wheel rim shell core structure, which comprises two shells, wherein the two shells are symmetrically arranged, one sides of the two shells, which are close to each other, are spliced to form a shell cavity, and two ends of the shell cavity are provided with openings; the base is arranged at one end of the spliced two formworks and can seal one end of the shell cavity; the core pulling device comprises a core pulling body and a base, wherein the core pulling body is arranged inside the shell cavity, two ends of the core pulling body extend to two end opening parts of the shell cavity, and one end of the core pulling body is inserted into the base. This application has when installing the shell core structure, will loose core earlier and peg graft on the base, will two mould shell concatenation combinations form the shell chamber and make up with the base, with loose core constitution shell core structure, but central hole portion integrated into one piece improves production efficiency's effect in the wheel limit main part when making car wheel limit casting.

Description

Automobile wheel rim shell core structure

Technical Field

The application relates to the field of shell cores, in particular to an automobile wheel-side shell core structure.

Background

The automobile wheel rim is an important component of an automobile, and casting is a common production method in the production process of the automobile wheel rim at present.

Referring to fig. 4, a conventional wheel rim of an automobile includes a wheel rim main body and a center hole penetrating through both end surfaces of the wheel rim main body. At present, when the automobile wheel rim is produced by using a casting method, casting sand is often used for manufacturing a shell core structure of the automobile wheel rim, liquid metal is poured into the shell core, after the metal is cooled and formed, the shell core is separated from a cast automobile wheel rim blank, then the blank is drilled, and the automobile wheel rim is trimmed and formed.

In view of the above-mentioned related technologies, the inventor thinks that there are problems of complicated operation and low efficiency in forming the center hole of the wheel rim of the automobile.

SUMMERY OF THE UTILITY MODEL

Centre bore shaping complex operation when making in order to solve the car wheel limit installation, the problem of inefficiency, this application provides a car wheel limit shell core structure.

The application provides a car wheel limit shell core structure adopts following technical scheme:

an automobile wheel rim shell core structure comprising:

the two formworks are symmetrically arranged, one sides of the two formworks, which are close to each other, are spliced to form a shell cavity, and two ends of the shell cavity are open;

the base is arranged at one end of the spliced two formworks and can seal one end of the shell cavity;

the core pulling device comprises a core pulling body and a base, wherein the core pulling body is arranged inside the shell cavity, two ends of the core pulling body extend to two end opening parts of the shell cavity, and one end of the core pulling body is inserted into the base.

Through adopting above-mentioned technical scheme, when installing the shell core structure, earlier peg graft on the base loose core, form the shell chamber and make up with the base with two mould shell concatenation combinations, constitute the shell core structure with loosing core, but central hole portion integrated into one piece improves production efficiency in the wheel main part when making car wheel casting.

Preferably, semi-ring grooves are formed in the peripheral surface of each formwork, and the semi-ring grooves of the two formworks can form annular grooves after being spliced together with the two formworks;

lantern rings are arranged on the outer sides of the two formworks corresponding to the annular grooves;

the lantern ring comprises two semi-rings, one ends of the two semi-rings are hinged with each other, and the other ends of the two semi-rings are connected through a hasp;

the lantern ring is clamped in the annular groove.

By adopting the technical scheme, after the shell core structure is assembled, the lantern ring is clamped outside the two formworks corresponding to the annular groove, so that the relative position of the two formworks after splicing can be kept fixed.

Preferably, the circumferential surface of the base is provided with a limiting groove;

and splicing two end of the formwork close to the base and clamped in the limiting groove.

Through adopting above-mentioned technical scheme, when assembling two formworks on the base, be close to the spacing inslot of base one end correspondence joint in the base with two formworks, at the pouring in-process, can keep shell core structure more stable, be difficult for from the bottom emergence leakage.

Preferably, the wheel rim shell core structure of the automobile further comprises:

and the plug is arranged at one end, far away from the base, of the two mould shells after splicing, and can seal one end, far away from the base, of the shell cavity.

By adopting the technical scheme, the end cap is arranged at one end, far away from the base, of the shell core, so that the situation that the casting liquid does not leak and splash from the top of the shell core in the casting process can be ensured.

Preferably, the loose core is inserted into the plug.

By adopting the technical scheme, the core pulling is inserted into the plug, so that the overall stability of the shell-core structure can be improved.

Preferably, the shell cavity in the formwork is provided with a reinforcing rib.

By adopting the technical scheme, the reinforcing rib structure is added in the formwork, so that the strength of the formwork can be greatly improved.

Preferably, a handle is arranged on the outer side of the formwork.

By adopting the technical scheme, the handles are arranged on the outer walls of the two mould shells, so that after casting is finished and a cast part is cooled, the handles can be pulled to separate the two mould shells, and demoulding is convenient.

Preferably, one side of one formwork, which is close to the other formwork, is fixed with a raised line, and a groove is formed in the position, corresponding to the raised line, of the other formwork, and the raised line can be inserted into the groove.

By adopting the technical scheme, when the two formworks are spliced, the raised strips of the two formworks correspond to the grooves, so that the two formworks can be tightly attached after the assembly is finished.

In summary, the present application has at least one of the following effects:

1. when installing the shell core structure, correspond the gib sides and the recess side of two formworks respectively, splice the installation to being connected base and shell core, enabling each part of shell core closely to laminate, phenomenon such as difficult emergence dislocation guarantees casting quality.

2. In the casting process, the structure of the shell core can be kept more stable, and the shell core is not easy to leak from the bottom.

Drawings

Fig. 1 is a schematic perspective structure diagram of an automobile wheel rim shell core structure according to an embodiment of the present application.

Fig. 2 is a sectional view of a wheel hub shell core structure of an automobile according to an embodiment of the present application.

FIG. 3 is a schematic perspective view of a mold shell in an automobile wheel rim core structure according to an embodiment of the present disclosure.

Fig. 4 is a schematic perspective view of a wheel rim of a vehicle in the background art.

Description of reference numerals: 01. a wheel rim main body; 02. a central bore; 1. a shell cavity; 11. a formwork; 12. a convex strip; 13. a groove; 2. a base; 21. a limiting groove; 22. a first jack; 3. core pulling; 4. an annular groove; 5. a collar; 6. a plug; 61. a second jack; 7. reinforcing ribs; 8. a grip; 9. and a pouring gate.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses car wheel limit shell core structure.

Referring to fig. 1 and 2, an automobile wheel rim shell core structure mainly comprises a shell 11, a base 2, a loose core 3 and a plug 6.

The mold shells 11 are concave, the two mold shells 11 are symmetrically arranged, the two mold shells 11 can be spliced with each other to form a shell cavity 1, the shell cavity 1 has the same outer contour structure with the automobile wheel rim, and two ends of the shell cavity 1 corresponding to the axial direction of the automobile wheel rim are both open.

Base 2 is discoid, and annular spacing groove 21 has been seted up to base 2 global, arranges base 2 in between two formworks 11 and when the formwork 11 equipment, and two formworks 11 can all be blocked in 2 global spacing grooves 21 of base in the one end homoenergetic that are close to base 2 after the concatenation.

Referring to fig. 2 and 3, in order to increase the accuracy of the connection and matching of the mold shells 11, a protruding strip 12 is integrally formed on one side of one mold shell 11 close to the other mold shell 11, and a groove 13 is integrally formed at a position of the other mold shell 11 corresponding to the protruding strip 12, when the mold shell 11 is combined, one end of the mold shell 11 close to the base 2 is clamped in the limiting groove 21 on the circumferential surface of the base 2, at this time, the protruding strip 12 on the outer edge of the mold shell 11 is inserted into the groove 13 on the outer edge of the other mold shell 11 correspondingly, so that the edges of the mold shells 11 are tightly attached to form the shell cavity 1.

Referring to fig. 2 and 4, the core pulling 3 is vertically arranged at an axial line position in the shell cavity 1, the diameter of the core pulling 3 is the same as that of the central hole 02 in the wheel rim of the automobile, and two ends of the core pulling 3 respectively extend to two end open parts of the shell cavity 1. The axial line position department that base 2 is located one side in the shell chamber 1 has seted up jack one 22, and jack one 22 is in the collinear with the axis of shell chamber 1, and 3 vertical pegs graft in jack one 22 of base 2 of loosing core to realize the body coupling of mould shell 11,

base

2 and 3 of loosing core.

Referring to fig. 1 and 2, a pouring gate 9 is formed at an open part of one end of the shell core, which is far away from the base 2, and the plug 6 can be inserted into the pouring gate 9 to seal the pouring gate 9. In addition, the plug 6 is provided with a second insertion hole 61 at a position corresponding to the core pulling 3, when the plug 6 is inserted into the pouring gate 9, one end of the core pulling 3, which is far away from the base 2, can be inserted into the second insertion hole 61, so that the stable positioning of the core pulling 3 in the shell cavity 1 is realized. When pouring is carried out, pouring liquid is added into the pouring gate 9, and the plug 6 is inserted into the pouring gate 9 after the pouring liquid is added, so that leakage and splashing are prevented.

Referring to fig. 1 and 2, the semi-ring grooves are formed in the outer peripheral surface of the upper end of the formwork 11, the semi-ring grooves of the two formworks 11 can form the ring groove 4 after the formworks 11 are spliced, the lantern ring 5 is arranged on the outer side of the formwork 11 corresponding to the position of the ring groove 4, the lantern ring 5 comprises two semi-rings, one ends of the two semi-rings are hinged to each other, the other ends of the two semi-rings are provided with hasps, the lantern ring 5 is clamped in the ring groove 4 when the casing cavity 1 is assembled, the hasps are locked, the positions of the two formworks 11 can be fixed, and the two formworks 11 are prevented from being separated in the casting process.

Referring to fig. 2 and 3, the reinforcing ribs 7 are arranged inside the formwork 11, and the reinforcing ribs 7 can significantly improve the strength of the formwork 11 and reduce the probability of fracture of the formwork 11.

Referring to fig. 1 and 2, a handle 8 is integrally formed on the outer wall of the mold shell 11, after the casting operation is completed, the lantern ring 5 is firstly disassembled, then the handle 8 is pulled to separate the mold shell 11, and the casting is demoulded.

The implementation principle of the shell core structure of the wheel rim of the automobile provided by the embodiment of the application is as follows: firstly, inserting a loose core 3 on a base 2, inserting the bottoms of two mould shells 11 with reinforcing ribs 7 integrally formed inside into a limiting groove 21 of the base 2 correspondingly, splicing raised strips 12 on the outer edges of the mould shells 11 with grooves 13 correspondingly, laminating the outer walls of the mould shells 11 to form a shell cavity 1, sleeving a lantern ring 5 in an annular groove 4 on the outer wall of the shell core, locking a lantern ring 5 hasp, clamping the lantern ring 5 in the annular groove 4, adding a pouring liquid into a pouring gate 9 after the assembly is finished, abutting a plug 6 in the loose core 3 to be inserted into a pouring gate 9 after the addition is finished, taking down the lantern ring 5 and the plug 6 after the pouring liquid is cooled and solidified, pulling a handle 8 to take down the mould shells 11, taking out the loose cores 3 from castings, and finally taking down the castings to finish the casting work; the shuttering 11 is not easy to break because of the existence of the reinforcing rib 7, and can be repeatedly used.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An automobile wheel rim shell core structure, comprising:

the two formworks (11) are symmetrically arranged, one sides of the two formworks (11), which are close to each other, are spliced to form a shell cavity (1), and two ends of the shell cavity (1) are arranged in an open manner;

the base (2) is arranged at one end of the two spliced formworks (11), and one end of the shell cavity (1) can be sealed by the base (2);

the core pulling device comprises a core pulling body (3) arranged inside a shell cavity (1), wherein two ends of the core pulling body (3) extend to two end opening parts of the shell cavity (1), and one end of the core pulling body (3) is inserted into the base (2).

2. The automobile wheel rim shell core structure according to claim 1, characterized in that:

semi-ring grooves are formed in the peripheral surface of each formwork (11), and the semi-ring grooves of the two formworks (11) can form an annular groove (4) after being spliced together with the two formworks (11);

the two formworks (11) are provided with lantern rings (5) corresponding to the outer sides of the annular grooves (4), each lantern ring (5) comprises two semi-rings, one ends of the two semi-rings are hinged with each other, and the other ends of the two semi-rings are connected through buckles;

the lantern ring (5) is clamped in the annular groove (4).

3. The automobile wheel rim shell core structure according to claim 1, characterized in that:

the peripheral surface of the base (2) is provided with a limiting groove (21);

after splicing, one end of the formwork (11) close to the base (2) is clamped in the limiting groove (21).

4. The automobile wheel rim core structure according to claim 1, further comprising:

and the plug (6) is arranged at one end, away from the base (2), of the two formwork shells (11) after splicing, and the plug (6) can seal one end, away from the base (2), of the shell cavity (1).

5. The automobile wheel rim shell core structure according to claim 4, characterized in that:

the loose core (3) is inserted into the plug (6).

6. The automobile wheel rim shell core structure according to claim 1, characterized in that:

and a reinforcing rib (7) is arranged in the shell cavity (1) in the mould shell (11).

7. The automobile wheel rim shell core structure according to claim 1, characterized in that:

a grip (8) is arranged on the outer side of the mould shell (11).

8. The automobile wheel rim shell core structure according to claim 1, characterized in that:

one side of one formwork (11) close to the other formwork (11) is fixed with a convex strip (12), a groove (13) is formed in the position, corresponding to the convex strip (12), of the other formwork (11), and the convex strip (12) can be inserted into the groove (13).