CN214557195U

CN214557195U - Brake disc casting mould

Info

Publication number: CN214557195U
Application number: CN202120322728.1U
Authority: CN
Inventors: 辛延明; 王成龙
Original assignee: Shandong Gold Phoenix Co Ltd
Current assignee: Shandong Gold Phoenix Co Ltd
Priority date: 2021-02-04
Filing date: 2021-02-04
Publication date: 2021-11-02
Anticipated expiration: 2031-02-04

Abstract

The utility model provides a brake disc casting mould includes: bottom plate, brake disc mould, pouring channel mould, exhaust column and at least one exhaust piece. The brake disc mould is arranged on the bottom plate, the pouring channel mould is arranged on the bottom plate, and the bottom of the pouring channel mould is connected with the brake disc mould; the exhaust column is arranged on the upper surface of the brake disc mould, the at least one exhaust sheet is arranged on the bottom plate, one end of the exhaust sheet is connected with the brake disc mould, and the other end of the exhaust sheet extends to the side face of the bottom plate. The utility model discloses can improve current brake disc casting mould exhaust not smooth, lead to the brake disc to form the problem that has the crack form gas pocket after.

Description

Brake disc casting mould

Technical Field

The utility model relates to a brake disc casting field, concretely relates to brake disc casting mould.

Background

The brake disc, in short, is a circular disc which also rotates when the vehicle is moving. The brake caliper clamps the brake disc to generate braking force, and when the brake is stepped, the brake caliper clamps the brake disc to play a role in reducing speed or stopping. The brake disc has good braking effect and is easier to maintain than a drum brake, so the application is wider.

At present, the main production process of the gray cast iron brake disc is to use wet clay sand for molding and use cold box resin sand (triethylamine method) for core making, and the used resin contains nitrogen. In the casting process, molten iron contacts resin in the sand core to decompose atomic nitrogen, so that the nitrogen enters the molten iron to increase the nitrogen concentration. The solubility of nitrogen is reduced in the process of molten iron solidification, and the nitrogen is precipitated in the form of nitrogen, so that crack-shaped air holes are easily formed on castings. Therefore, a brake disc casting mold is needed to solve the problem that the existing brake disc casting mold is unsmooth in air exhaust, so that the brake disc has crack-shaped air holes after being formed.

SUMMERY OF THE UTILITY MODEL

In view of the above prior art's shortcoming, the utility model aims at providing a brake disc casting mould to improve current brake disc casting mould exhaust not smooth, lead to the brake disc to form the problem that has the crack form gas pocket after.

In order to realize above-mentioned purpose and other relevant purposes, the utility model provides a brake disc casting mould includes: bottom plate, brake disc mould, pouring channel mould, exhaust column and at least one exhaust piece. The brake disc mould is arranged on the bottom plate, the pouring channel mould is arranged on the bottom plate, and the bottom of the pouring channel mould is connected with the brake disc mould; the exhaust column is arranged on the upper surface of the brake disc mould, the at least one exhaust sheet is arranged on the bottom plate, one end of the exhaust sheet is connected with the brake disc mould, and the other end of the exhaust sheet extends to the side face of the bottom plate.

Preferably, the exhaust fins are distributed on the side away from the pouring channel mold.

Preferably, the thickness of the exhaust sheet is 2-5 mm.

Preferably, the width of the exhaust sheet is 8-10 mm.

Preferably, a transition body is arranged at the position where the exhaust sheet is connected with the brake disc mould, the transition body is provided with a large end and a small end, the large end of the transition body is connected with the brake disc mould, and the small end of the transition body is connected with the exhaust sheet.

Furthermore, a transition fillet is arranged between the large end of the transition body and the brake disc mould.

Further, the small end of the transition body is smoothly connected with the exhaust sheet.

Further, the exhaust column is arranged coaxially with the brake disc mould.

Preferably, the pouring channel mold comprises an upright post, an arc plate body and a funnel body, wherein the arc plate body is coaxially arranged outside the brake disc mold and connected with the brake disc mold; the upright column is vertical to the bottom plate, the axis of the upright column is parallel to a bus of the arc plate body, and the bottom of the upright column is connected with the arc plate body; the funnel body is arranged at the upper part of the upright post.

Preferably, the upright column comprises a first upright column and a second upright column which are coaxially arranged, the diameter of the first upright column is larger than that of the second upright column, the upper part of the first upright column is connected with the small end of the funnel body, the lower part of the first upright column is smoothly connected with the upper part of the second upright column, and the lower part of the second upright column is connected with the arc plate body.

The utility model discloses be provided with at least one exhaust piece in the brake disc casting mould, can form the exhaust recess that corresponds on the casting mould to make the interior gas of brake disc can be followed and discharged outside the sand box in corresponding exhaust recess. The formation of the pores on the brake disc can be effectively improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only 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 a three-dimensional schematic view of a brake disc casting mold according to an embodiment of the present invention;

fig. 2 is a schematic front view of a brake disc casting mold according to an embodiment of the present invention;

fig. 3 is a schematic top view of a brake disc casting mold according to an embodiment of the present invention;

fig. 4 is another three-dimensional schematic view of a brake disc casting mold according to an embodiment of the present invention;

fig. 5 is a partial enlarged view of the connecting position of the brake disc casting mold and the exhaust fin according to an embodiment of the present invention.

Description of the element reference numerals

10. A base plate; 20. a brake disc mould; 30. pouring a channel mold; 40. an exhaust column; 50. an exhaust sheet; 31. an exhaust column; 32. an arc-shaped body; 33. a communicating body; 34. a communicating structure; 311. a funnel body; 312. a first upright post; 313. a second upright post; 51. a transition body.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. It is also to be understood that the terminology used in the examples of the present invention is for the purpose of describing particular embodiments only, and is not intended to limit the scope of the present invention. Test methods in which specific conditions are not specified in the following examples are generally carried out under conventional conditions or under conditions recommended by the respective manufacturers.

When numerical ranges are given in the examples, it is understood that both endpoints of each of the numerical ranges and any number between the endpoints are optional unless the utility model discloses otherwise. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs and are intended to describe the same, and all methods, apparatus and materials similar or equivalent to those described herein may be used in the practice of this invention.

The utility model provides a brake disc casting mould, it can improve current brake disc casting mould exhaust not smooth, leads to the brake disc to form the problem that has the crack form gas pocket after. The utility model discloses be provided with at least one exhaust piece 50 in the brake disc casting mould, can form the exhaust recess that corresponds on the casting mould to make the interior gas of brake disc can be followed and discharged to the sand box outside in corresponding exhaust recess, can effectively improve the formation in hole on the brake disc.

Referring to fig. 1 and 2, fig. 1 is a three-dimensional schematic view of a brake disc casting mold according to an embodiment of the present invention; fig. 2 is a schematic front view of a brake disc casting mold according to an embodiment of the present invention. The utility model provides a brake disc casting mould includes: bottom plate 10, brake disc mould 20, pouring channel mould 30, exhaust column 40 and at least one exhaust piece 50. The brake disc mould 20 is arranged on the bottom plate 10 and used for forming a brake disc cavity in the sand box. The pouring channel mold 30 is arranged on the bottom plate 10 and used for forming a pouring channel in the sand box, and the bottom of the pouring channel mold 30 is connected with the brake disc mold 20. The exhaust column 40 is arranged on the upper surface of the brake disc mold 20, and the exhaust column 40 and the brake disc mold 20 are coaxially arranged. The exhaust column 40 is perpendicular to the upper surface of the brake disc mold 20 and extends upwards to form a main exhaust channel. The exhaust column 40 has a certain draft angle to facilitate molding, and during molding, the exhaust column 40 needs to form a cylindrical exhaust passage penetrating through a sand mold to increase the exhaust effect. At least one exhaust piece 50 sets up on the bottom plate 10 for form in the sand box with the exhaust passage that the brake disc die cavity is linked together, exhaust piece 50's the other end extends to on the side of bottom plate 10, will during the preparation die cavity the utility model discloses bottom plate 10 and lock in the brake disc casting mould are on the sand box, exhaust passage one end that exhaust piece 50 formed with brake disc mould 20 links to each other, and the other end extends the side of sand box to expose outside the sand box.

Referring to fig. 3, fig. 3 is a schematic top view of a brake disc casting mold according to an embodiment of the present invention. The utility model discloses well exhaust piece 50 quantity should be a slice at least, but considers the displacement and exhaust passage's matching nature, preferably in the utility model discloses an example, exhaust piece 50 has a plurality ofly to distribute and deviating from one side of pouring channel mould 30. The thickness of exhaust piece 50 is 2 ~ 5mm, the width of exhaust piece 50 is 8 ~ 10 mm. The arrangement can meet the requirement of the ventilation sectional area of the exhaust channel, and the exhaust fins 50 are distributed narrowly along the axial direction of the brake disc, so that the circumferential turning workload after the brake disc is formed can be further reduced.

Referring to fig. 5, fig. 5 is a partially enlarged view of a connecting position between a brake disc casting mold and an exhaust fin 50 according to an embodiment of the present invention. In view of the unobstructed nature of the exhaust, it is preferable that a transition body 51 is disposed at the position where the exhaust piece 50 is connected to the brake disc mold 20, the transition body 51 has a large end and a small end, the large end of the transition body 51 is connected to the brake disc mold 20, and the small end of the transition body 51 is connected to the exhaust piece 50. A transition round angle is arranged between the large end of the transition body 51 and the brake disc mould 20. The small end of the transition body 51 is smoothly connected with the exhaust sheet 50. The arrangement mode can make the nitrogen more easily enter the exhaust channel, and is beneficial to discharging the nitrogen in time.

Referring to fig. 1 and 4, fig. 1 is a three-dimensional schematic view of a brake disc casting mold according to an embodiment of the present invention; fig. 4 is another three-dimensional schematic view of a brake disc casting mold according to an embodiment of the present invention. In an example of the present invention, preferably, the pouring channel mold 30 includes a column, an arc plate and a funnel 311, the arc plate is coaxially disposed outside the brake disc mold 20 for forming a section of arc pouring channel on the outer circumference of the brake disc cavity. The arc-shaped body 32 is connected with the brake disc mold 20 through a plurality of communication bodies 33, the plurality of communication bodies 33 are distributed along the circumference, each communication body 33 extends along the radial direction, and the communication bodies 33 are used for forming a plurality of branch runners between the arc-shaped pouring channel and the brake disc mold 20. The upright column is perpendicular to the bottom plate 10, the axis of the upright column is parallel to the generatrix of the arc plate body, the bottom of the upright column is connected with the arc plate body, and the upright column is used for forming a vertical flow channel. The funnel body 311 is arranged on the upper part of the upright post and used for forming a pouring funnel mouth.

In an example of the present invention, the column includes a first column 312 and a second column 313 coaxially disposed, the first column 312 and the second column 313 are cylindrical columns, the diameter of the first column 312 is greater than the diameter of the second column 313, the upper portion of the first column 312 is connected to the small end of the funnel body 311, the lower portion of the first column 312 is connected to the upper portion of the second column 313 via a circular truncated cone, and the lower portion of the second column 313 is connected to the arc plate body. The arrangement mode can lead the upper pouring channel with lower pressure to have larger sectional area, and the lower pouring channel with higher pressure to have smaller sectional area, thus the arrangement layout is more reasonable.

The utility model discloses be provided with at least one exhaust piece in the brake disc casting mould, can form the exhaust recess that corresponds on the casting mould to make the interior gas of brake disc can be followed and discharged outside the sand box in corresponding exhaust recess. The formation of the pores on the brake disc can be effectively improved. Therefore, the utility model discloses thereby effectively overcome some practical problems among the prior art and had very high use value and use meaning.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A brake disc casting mold, comprising:

a base plate;

the brake disc mould is arranged on the bottom plate;

the pouring channel mould is arranged on the bottom plate, and the bottom of the pouring channel mould is connected with the brake disc mould;

the exhaust column is arranged on the upper surface of the brake disc mould;

and the at least one exhaust sheet is arranged on the bottom plate, one end of the at least one exhaust sheet is connected with the brake disc mould, and the other end of the at least one exhaust sheet extends to the side face of the bottom plate.

2. Brake disc casting mould according to claim 1, characterized in that the exhaust air flap is provided in plurality and distributed on the side facing away from the pouring channel mould.

3. The brake disc casting mold according to claim 1, wherein the thickness of the exhaust fin is 2-5 mm.

4. The brake disc casting mold according to claim 1, wherein the width of the exhaust fin is 8-10 mm.

5. The brake disc casting mold according to claim 1, wherein a transition body is arranged at a position where the exhaust piece is connected with the brake disc mold, the transition body is provided with a large end and a small end, the large end of the transition body is connected with the brake disc mold, and the small end of the transition body is connected with the exhaust piece.

6. Brake disc casting mould according to claim 5, characterized in that a transition fillet is provided between the big end of the transition body and the brake disc mould.

7. The brake disc casting mold of claim 5, wherein the small end of the transition body is smoothly connected with the vent flap.

8. Brake disc casting mould according to claim 7, characterized in that the venting post is arranged coaxially with the brake disc mould.

9. The brake disc casting mold according to claim 1, wherein the pouring channel mold comprises a stand column, an arc plate body and a funnel body, and the arc plate body is coaxially arranged outside the brake disc mold and connected with the brake disc mold; the upright column is vertical to the bottom plate, the axis of the upright column is parallel to a bus of the arc plate body, and the bottom of the upright column is connected with the arc plate body; the funnel body is arranged at the upper part of the upright post.

10. The brake disc casting mold according to claim 9, wherein the pillar comprises a first pillar and a second pillar which are coaxially arranged, the first pillar has a larger diameter than the second pillar, an upper portion of the first pillar is connected with the small end of the funnel body, a lower portion of the first pillar is smoothly connected with an upper portion of the second pillar, and a lower portion of the second pillar is connected with the arc plate body.