CN214442948U - Integral high tooth heat dissipation tooth die-casting mould structure - Google Patents

Abstract

The utility model relates to an integral high tooth heat dissipation tooth die casting mould structure, including outer mold core, inner mold core, state that inner mold core is the rectangle, is equipped with the heat dissipation tooth's socket on it, should dispel the heat tooth's socket and run through inner mold core, including outer extension tooth's socket, interior extension tooth's socket, straight tooth's socket and skewed tooth groove four kinds, all are parallel to each other, outer extension tooth's socket and interior extension tooth's socket all include straight section and slope section, its slope section is parallel to each other and becomes predetermined contained angle with inner mold core side, straight section perpendicular to inner mold core top; the straight tooth groove is arranged on the inner side of the straight section of the inner extending tooth groove, and the oblique tooth groove is arranged between the outer extending tooth groove and the inner extending tooth groove; the external extending tooth grooves, the internal extending tooth grooves and the straight tooth grooves are provided with end parts which are communicated with the upper edge or the lower edge of the internal mold core. The heat dissipation tooth socket of the utility model has good cutting surface smoothness through the cutting processing of the slow-moving wire, can avoid polishing, and reduces the production procedures of the die; the inner mold core is an integral body, a traditional insert structure is omitted, the service life is long, and the demolding is convenient.

Description

Integral high tooth heat dissipation tooth die-casting mould structure

Technical Field

The utility model relates to a die casting die technical field, concretely relates to integral high tooth heat dissipation tooth die casting die structure.

Background

The traditional design of the heat dissipation tooth pressure casting mold is generally integral processing, and can only be formed by electric spark machining, and the difficulty points that high teeth and thin teeth cannot be realized are as follows: 1. the heat dissipation teeth are too high and thin, and the electrode processing is difficult; 2. the discharge time is long; 3. polishing after discharge is difficult; 4. because the smooth finish of the heat dissipation tooth socket can not be ensured, the demoulding is difficult in the production process.

The utility model discloses a utility model patent of grant publication number CN204247931U discloses a die-casting formula mould, including mould benevolence and a plurality of heat dissipation mold insert, the heat dissipation mold insert is the slice, the bottom is equipped with the dovetail, a plurality of heat dissipation mold inserts are in the same place, constitute the inlay group, this utility model patent has solved heat dissipation tooth mould electrode processing difficulty at to a great extent, the problem of discharge time length and heat dissipation tooth's socket, nevertheless because it is that a plurality of mold inserts are pieced together and form, in the use, it is not as simple and convenient as integral mould, and the tooth that just dispels the heat is the skewed tooth mostly, can't accomplish a plurality of pieces, lead to the difficult assurance of casting precision.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides an integral high tooth heat dissipation tooth die casting mould structure, through the wire cut processing shaping of walking slowly, the surface finish is good, the drawing of patterns of being convenient for and assurance casting product quality, and the mould is monolithic structure, convenient to operate and use, good reliability, long service life.

The utility model discloses a die casting die heat dissipation tooth structure, an integral high tooth heat dissipation tooth die casting mould structure, including outer mold core, interior mold core, its characterized in that: the inner mold core is rectangular, and heat dissipation tooth grooves which are bilaterally symmetrical and uniformly distributed along the central line of the inner mold core are arranged on the inner mold core and penetrate through the inner mold core from top to bottom; the heat dissipation tooth grooves comprise four types of external extension tooth grooves, internal extension tooth grooves, straight tooth grooves and inclined tooth grooves, wherein the external extension tooth grooves and the internal extension tooth grooves respectively comprise straight sections and inclined sections, the inclined sections of the straight sections are parallel to each other and form preset included angles with the side edges of the inner mold core, and the straight sections are perpendicular to the upper edge of the inner mold core; the straight section of the external extending tooth socket is connected with the upper edge of the inner mold core, the inclined section extends outwards to the side edge of the inner mold core, the straight section of the internal extending tooth socket is connected with the lower edge of the inner mold core, and the inclined section extends inwards to the central line of the inner mold core; the straight tooth groove is arranged on the inner side of the straight section of the inner extending tooth groove, the inclined tooth groove is arranged between the inclined sections of the outer extending tooth groove and the inner extending tooth groove and is parallel to the inclined sections of the outer extending tooth groove and the inner extending tooth groove; the straight section end parts of the outer extension tooth socket and the inner extension tooth socket are communicated with the upper side or the lower side of the inner mold core, and the end parts of the straight tooth sockets are communicated with the lower side of the inner mold core.

Furthermore, the included angle between the straight section and the inclined section of the external extension tooth socket and the internal extension tooth socket is 130-170 degrees.

Furthermore, the external extending tooth socket, the internal extending tooth socket and the straight tooth socket are all linear cutting tooth sockets.

The utility model has the advantages that: the die-casting die core is divided into an inner die core and an outer die core, the heat dissipation tooth grooves penetrate through the inner die core in depth, one end of the heat dissipation tooth grooves penetrates through the upper edge and the lower edge of the inner die core, and the wire cutting is processed by slow-feeding wire cutting, so that the wire cutting surface finish is good, polishing can be avoided, and the production procedures of the die are reduced; the inner mold core is a whole, a traditional insert block structure is omitted, the service life is long, the demolding is convenient, and in the die-casting production process, the mold can be quickly maintained after a target mold appears.

Drawings

Fig. 1 is a schematic structural view of an integral high-tooth heat dissipation tooth die-casting die.

Fig. 2 is a sectional view a-a of fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments and accompanying drawings.

The utility model provides a as shown in fig. 1-2 integral high tooth heat dissipation tooth die-casting mould structure, includes outer mold core 1, inner mold core 2, its characterized in that: the inner mold core 2 is rectangular, heat dissipation tooth grooves 3 which are symmetrical left and right along the central line of the inner mold core and are uniformly distributed are arranged on the inner mold core 2, the heat dissipation tooth grooves 3 penetrate through the inner mold core 2 from top to bottom, and the depth of the heat dissipation tooth grooves is 85 mm; the heat dissipation tooth grooves 3 comprise four types of external extension tooth grooves 31, internal extension tooth grooves 32, straight tooth grooves 33 and inclined tooth grooves 34, wherein the external extension tooth grooves 31 and the internal extension tooth grooves 32 respectively comprise straight sections and inclined sections, the inclined sections of the inclined sections are parallel to each other and form preset included angles with the side edges of the inner mold core 2, and the straight sections are perpendicular to the upper edges of the inner mold core 2; the straight section of the external extension tooth socket 31 is connected with the upper edge of the inner mold core 2, the inclined section extends outwards to the side edge of the inner mold core 2, the straight section of the internal extension tooth socket 32 is connected with the lower edge of the inner mold core 2, and the inclined section extends inwards to the central line of the inner mold core 2; the straight tooth grooves 33 are arranged at the inner sides of the straight sections of the inner extension tooth grooves 32, and the oblique tooth grooves 34 are arranged between the oblique sections of the outer extension tooth grooves 31 and the inner extension tooth grooves 32 and are parallel to the oblique sections of the outer extension tooth grooves 31 and the inner extension tooth grooves 32; the straight section end parts of the outer extension tooth grooves 31 and the inner extension tooth grooves 32 are communicated with the upper side or the lower side of the inner mold core 2, and the end parts of the straight tooth grooves 33 are communicated with the lower side of the inner mold core 2.

Furthermore, the included angle between the straight section and the inclined section of the external extension tooth grooves 31 and the internal extension tooth grooves 32 is 150 degrees.

Further, the outer extending tooth grooves 31, the inner extending tooth grooves 32 and the straight tooth grooves 33 are all linear cutting tooth grooves.

The utility model discloses a heat dissipation tooth die-casting mould, the tooth height 85mm, the tooth thickness 1.3mm, the outer extension tooth's socket 31 on it, interior extension tooth's socket 32, straight tooth's socket 33, skewed tooth's socket 34 align to grid, run through the thickness of interior mold core 2, wherein outer extension tooth's socket 31, interior extension tooth's socket 32, straight tooth's socket 33 all link up with the limit of interior mold core 2, therefore, can process through the mode of line cutting, wire-electrode cutting roughness is good, consequently, outer extension tooth's socket 31, interior extension tooth's socket 32, straight tooth's socket 33 can avoid polishing, therefore, except two skewed tooth's socket 34 because do not link up with the limit of interior mold core 2, consequently, except that can only process through the mode of line cutting, wire-electrode cutting process roughness is good, can avoid polishing, it is difficult to have avoided whole motor processing through electrical discharge machining, the point is long time, the polishing area is big, the problem of polishing processing difficulty, the machining efficiency and the finished product quality of the high-tooth heat dissipation tooth die are greatly improved, and the precision of a cast product is guaranteed. And the arrangement structure of the heat dissipation tooth grooves 3 enables the inner mold core 2 to be an integral structure, the use is convenient, the mold can be quickly maintained after a target mold appears in the die-casting production process, the integral mold is simple to use and operate, the service life is long, and the mold is easy to release.

The technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the above embodiments are only applicable to help understand the principles of the embodiments of the present invention; meanwhile, for a person skilled in the art, according to the embodiments of the present invention, there may be variations in the specific implementation manners and application ranges, and in summary, the content of the description should not be construed as a limitation to the present invention.

Claims (3)

1. The utility model provides an integral high tooth heat dissipation tooth die casting mould structure, includes outer mold core (1), inner mold core (2), its characterized in that: the inner mold core (2) is rectangular, heat dissipation tooth grooves (3) which are symmetrical left and right along the central line of the inner mold core and are uniformly distributed are formed in the inner mold core (2), and the heat dissipation tooth grooves (3) penetrate through the inner mold core (2) from top to bottom; the heat dissipation tooth grooves (3) comprise four types of external extension tooth grooves (31), internal extension tooth grooves (32), straight tooth grooves (33) and inclined tooth grooves (34), wherein the external extension tooth grooves (31) and the internal extension tooth grooves (32) respectively comprise straight sections and inclined sections, the inclined sections of the straight sections are parallel to each other and form preset included angles with the side edges of the inner mold cores (2), and the straight sections are perpendicular to the upper edges of the inner mold cores (2); the straight section of the external extending tooth socket (31) is connected with the upper edge of the inner mold core (2), the inclined section extends outwards to the side edge of the inner mold core (2), the straight section of the internal extending tooth socket (32) is connected with the lower edge of the inner mold core (2), and the inclined section extends inwards to the central line of the inner mold core (2); the straight tooth grooves (33) are arranged on the inner sides of the straight sections of the inner extension tooth grooves (32), the inclined tooth grooves (34) are arranged between the inclined sections of the outer extension tooth grooves (31) and the inner extension tooth grooves (32) and are parallel to the inclined sections of the outer extension tooth grooves (31) and the inner extension tooth grooves (32); the straight section end parts of the outer extension tooth grooves (31) and the inner extension tooth grooves (32) are communicated with the upper side or the lower side of the inner mold core (2), and the end parts of the straight tooth grooves (33) are communicated with the lower side of the inner mold core (2).

2. The integral high-tooth heat-dissipating tooth die-casting mold structure according to claim 1, wherein: the included angles of the straight sections and the inclined sections of the external extension tooth grooves (31) and the internal extension tooth grooves (32) are 130-170 degrees.

3. The integral high-tooth heat-dissipating tooth die-casting mold structure according to claim 1, wherein: the outer extension tooth grooves (31), the inner extension tooth grooves (32) and the straight tooth grooves (33) are all linear cutting tooth grooves.

Images