Lightweight automobile brake disc with reinforcing ribs and heat dissipation chip removal hole grooves

Abstract

The utility model discloses a light-weight automobile brake disc with reinforcing ribs and heat dissipation chip removal hole grooves, which belongs to the technical field of automobile part manufacturing and light-weight metal new materials and comprises a brake disc body, and the brake disc body is composed of a mounting portion, a friction disc, a connecting portion, a ventilation opening and an open notch. A connecting part with an arc-shaped upper end is arranged between the mounting part and the friction disc; the plurality of reinforcing ribs are fixedly mounted at the arc-shaped part at the upper end of the connecting part; an open notch is formed in the middle of the periphery of the friction disc; a plurality of ventilation openings are formed in the open notch; the upper end face and the lower end face of the friction disc are provided with a plurality of through holes and grooves used for heat dissipation and chip removal. In this way, friction chippings between the brake disc and the brake pad can be discharged, and the braking capacity of the brake disc is guaranteed; in addition, the chip removal groove can be used for abrasion indication, when the disc face of the friction disc is abraded to the bottom of the chip removal groove, a new brake disc needs to be replaced, and maintenance personnel can conveniently, timely and accurately judge the abrasion condition of the brake disc.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts manufacturing and light weight metal new material, concretely relates to a light weight automobile brake disc with reinforcing rib and heat dissipation chip removal hole groove. BACKGROUND

[0002] The whole vehicle light weight of electric vehicle is the certain trend, realizes through the light weight of the body and various parts, and the new type aluminum alloy material and integrated die casting technology play the key role.

[0003] The patent CN217081206U discloses a light weight automobile brake disc, the light weight automobile brake disc, the axial outer side wall of the brim is metallurgically connected with the axial inner side wall of the connecting portion in the circumferential direction, so that the disc cap and the disc body are metallurgically connected in the circumferential direction.But, the device still has the following problems in the process of using:

[0004] The friction part and the connecting part in the brake disc adopt integrated design, which will cause metal chips to accumulate at the connecting position of the friction part and the connecting part during long-term use, affecting the braking effect; and the friction part and the connecting part are connected in a splicing manner, so the overall strength of the brake disc is low.

[0005] Based on this, the utility model discloses a light weight automobile brake disc with reinforcing rib and heat dissipation chip removal hole groove to solve the above problems. UTILITY MODEL CONTENTS

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a light weight automobile brake disc with reinforcing rib and heat dissipation chip removal hole groove.

[0007] To achieve the above object, the utility model realizes by the following technical scheme:

[0008] A light weight automobile brake disc with reinforcing rib and heat dissipation chip removal hole groove, comprising a brake disc body, the brake disc body is jointly constituted by an installation part, a friction disc, a connecting part, a ventilation opening and an open slot; a connecting part with an upper end in an arc shape is arranged between the installation part and the friction disc; a plurality of reinforcing ribs are fixedly installed on the upper end arc part of the connecting part, the reinforcing rib is a thin-walled structure connecting the inner wall of the installation part and the friction disc, and the reinforcing rib is uniformly distributed in a circumferential array at equal intervals along the central axis of the installation part;

[0009] The outer periphery of the friction disc is provided with an open slot; a plurality of ventilation openings are arranged in the inside of the open slot; and the ventilation openings are uniformly distributed in a circumferential array at equal intervals in the inside of the open slot;

[0010] A plurality of chip removal grooves are arranged on the upper and lower end faces of the friction disc, and the chip removal grooves are uniformly distributed in a circumferential array at equal intervals on the upper and lower end faces of the friction disc.

[0011] The upper and lower ends of the friction disc are further provided with a plurality of sets of heat dissipation and chip removal structures; each set of heat dissipation and chip removal structures is composed of a plurality of heat dissipation and chip removal through holes, and each heat dissipation and chip removal through hole is in communication with a corresponding vent;

[0012] Furthermore, the brake disc body is made of ceramic particle reinforced aluminum matrix composite material;

[0013] Furthermore, the upper and lower faces of each vent are each provided with a 1-degree taper, the left and right faces are each provided with a 2-degree taper, the edges are rounded with a 2mm radius, and the tip is in the shape of a circular truncated cone;

[0014] Furthermore, the opening height of the open notch is greater than the opening height of the vent;

[0015] Furthermore, the chip removal groove is arranged in an inclined manner;

[0016] Furthermore, the middle part of the chip removal groove is a semi-cylindrical or triangular hollow groove, and the two ends are tapered;

[0017] Furthermore, the heat dissipation and chip removal structures are distributed in a spiral line outward along the central axis of the friction disc;

[0018] Furthermore, the chip removal groove and the heat dissipation and chip removal structure are arranged in a cross manner at the upper and lower ends of the friction disc.

[0019] Compared with the prior art, the brake disc body is made of ceramic particle reinforced aluminum matrix composite material, which realizes substantial lightweight compared with a cast iron or steel brake disc; and the liquid die forging process is adopted to further improve the normal temperature and high temperature physical properties of the aluminum matrix composite casting; the thickness of the mounting part and the connecting part is increased, and the mechanical strength of the brake disc, especially the connecting part, is enhanced due to the reinforcing ribs arranged on the connecting part; the vents further increase the heat dissipation performance of the brake disc body as a whole; and the chip removal groove arranged in an inclined manner and the heat dissipation and chip removal through holes arranged in a spiral line can help remove the friction debris between the brake disc and the brake pad, thereby ensuring the braking capacity of the brake disc; the heat dissipation and chip removal through holes are in communication with the vents, which further improves the heat dissipation performance of the brake disc; and the chip removal groove can also be used as a wear indicator, so that when the disc surface of the friction disc is worn to the bottom of the chip removal groove, a new brake disc needs to be replaced, thereby enabling maintenance personnel to accurately determine the wear condition of the brake disc in time. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0021] Figure 1 A perspective view of the light-weight automobile brake disc with reinforcing ribs and heat-dissipating and chip-removing hole grooves Figure 1 ;

[0022] Figure 2 A front view of the light-weight automobile brake disc with reinforcing ribs and heat-dissipating and chip-removing hole grooves

[0023] Figure 3 A perspective view of the light-weight automobile brake disc with reinforcing ribs and heat-dissipating and chip-removing hole grooves Figure 2 ;

[0024] Figure 4 A perspective view along the A-A direction in the figure. Figure 2

[0025] The numbers in the figure respectively represent:

[0026] 1, brake disc body; 11, mounting portion; 12, friction disc; 13, connecting portion; 14, ventilation opening; 15, open slot; 16, reinforcing rib; 17, chip-removing groove; 18, heat-dissipating and chip-removing through hole. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0028] In the following description, "left", "right", "front", "back", "up", "down" are oriented according to the perspective view.

[0029] In some embodiments, referring to the drawings in the specification Figures 1-4 A light-weight automobile brake disc with reinforcing ribs and heat-dissipating and chip-removing hole grooves, comprising a brake disc body 1, the brake disc body 1 adopts a ceramic particle reinforced aluminum-based composite material, and the brake disc body 1 is obtained by liquid die forging or hot isostatic pressing casting blank and then machining.​

[0030] The brake disc body 1 is composed of a mounting portion 11, a friction disc 12, a connecting portion 13, a ventilation opening 14 and an open notch 15; the connecting portion 13 with an arc-shaped upper end is arranged between the mounting portion 11 and the friction disc 12; a plurality of reinforcing ribs 16 are fixedly installed on the arc-shaped portion of the upper end of the connecting portion 13, the reinforcing ribs 16 are thin-walled structures connecting the inner walls of the mounting portion 11 and the friction disc 12, and the reinforcing ribs 16 are uniformly distributed at equal intervals along the central axis of the mounting portion 11 in a circular array;

[0031] The outer periphery of the friction disc 12 is provided with the open notch 15; the inside of the open notch 15 is provided with a plurality of ventilation openings 14; and the ventilation openings 14 are uniformly distributed at equal intervals in a circular array inside the open notch 15; each ventilation opening 14 has a 1-degree taper on the upper and lower faces, a 2-degree taper on the left and right faces, a 2mm radius fillet on the edges, and a circular truncated cone shape at the tip;

[0032] The opening height of the open notch 15 is greater than the opening height of the ventilation opening 14;

[0033] A plurality of inclined chip removal grooves 17 are arranged on the upper and lower end faces of the friction disc 12, and the chip removal grooves 17 are uniformly distributed at equal intervals in a circular array on the upper and lower end faces of the friction disc 12; the middle part of the chip removal groove 17 is a semi-cylindrical or triangular hollow groove, and the two ends are tapered;

[0034] A plurality of groups of heat dissipation and chip removal structures are arranged on the upper and lower ends of the friction disc 12, and the heat dissipation and chip removal structures are distributed outward in a spiral line along the central axis of the friction disc 12; each group of heat dissipation and chip removal structures is composed of a plurality of heat dissipation and chip removal through holes 18, and each heat dissipation and chip removal through hole 18 communicates with the corresponding ventilation opening 14;

[0035] The chip removal grooves 17 and the heat dissipation and chip removal structures are arranged in a cross arrangement on the upper and lower ends of the friction disc 12;

[0036] In the utility model, the brake disc body 1 is made of ceramic particle reinforced aluminum matrix composite material, compared with the brake disc of cast iron or steel material, realizes light weight greatly, and further improves the normal temperature and high temperature physical properties of aluminum matrix composite material casting through adopting liquid die forging process, increases the thickness of the mounting portion 11 and the connecting portion 13, and due to the reinforcing rib 16 arranged on the connecting portion 13, the mechanical strength of the brake disc, especially the connecting portion 13, is enhanced, the overall heat dissipation performance of the brake disc body 1 is further increased through the ventilation opening 14, and the inclined chip removal groove 17 and the spiral distributed heat dissipation chip removal through hole 18 can help to discharge the friction debris between the brake disc and the brake pad, guarantee the braking capacity of the brake disc, the heat dissipation chip removal through hole 18 is communicated with the ventilation opening 14, further improves the heat dissipation performance of the brake disc, and the chip removal groove 17 can also be used as wear indication, when the disc surface of the friction disc 12 is worn to the bottom of the chip removal groove 17, a new brake disc needs to be replaced, and the maintenance personnel can judge the wear condition of the brake disc in time and accurately.

[0037] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than limit them; although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A lightweight automobile brake disc with a reinforcing rib and a heat dissipation drill hole groove, comprising a brake disc body (1), characterized in that: The brake disc body (1) is composed of a mounting part (11), a friction disc (12), a connecting part (13), a ventilation opening (14) and an open notch (15); the connecting part (13) with an arc-shaped upper end is arranged between the mounting part (11) and the friction disc (12); a plurality of reinforcing ribs (16) are fixedly installed on the arc-shaped part of the upper end of the connecting part (13), the reinforcing rib (16) is a thin-walled structure connecting the inner walls of the mounting part (11) and the friction disc (12), and the reinforcing rib (16) is uniformly distributed in a circular array at equal intervals along the central axis of the mounting part (11); The outer periphery of the friction disc (12) is provided with an open notch (15); a plurality of ventilation openings (14) are arranged in the open notch (15); and the ventilation openings (14) are uniformly distributed in a circular array at equal intervals in the open notch (15); A plurality of chip removal grooves (17) are arranged on the upper and lower end faces of the friction disc (12), and the chip removal grooves (17) are uniformly distributed in a circular array at equal intervals on the upper and lower end faces of the friction disc (12); A plurality of groups of heat dissipation and chip removal structures are arranged on the upper and lower ends of the friction disc (12); each group of heat dissipation and chip removal structures is composed of a plurality of heat dissipation and chip removal through holes (18), and each heat dissipation and chip removal through hole (18) is in communication with a corresponding ventilation opening (14).

2. The lightweight automobile brake disc with a reinforcing rib and a heat radiation drill hole groove according to claim 1, characterized in that, The brake disc body (1) is made of a ceramic particle reinforced aluminum matrix composite material.

3. The lightweight automobile brake disc with a reinforcing rib and a heat radiation drill hole groove according to claim 2, characterized in that, The upper and lower faces of each ventilation opening (14) are each provided with a 1-degree taper, the left and right faces are each provided with a 2-degree taper, the edges are rounded with a 2mm radius, and the tip is in the shape of a circular truncated cone.

4. The lightweight automobile brake disc with a reinforcing rib and a heat radiation drill hole groove according to claim 3, characterized in that, The opening height of the open notch (15) is greater than the opening height of the ventilation opening (14).

5. The lightweight automobile brake disc with a reinforcing rib and a heat radiation drill hole groove according to claim 1, characterized in that, The chip removal grooves (17) are arranged in an inclined manner.

6. The lightweight automobile brake disc with a reinforcing rib and a heat radiation drill hole groove according to claim 5, characterized in that, The middle part of the chip removal groove (17) is in the shape of a semi-cylindrical cavity or a triangular prism cavity, and the two ends are tapered.

7. The lightweight automobile brake disc with a reinforcing rib and a heat radiation drill hole groove according to claim 1, characterized in that, The heat dissipation and chip removal structure is distributed in a spiral line outward along the central axis of the friction disc (12).

8. The lightweight automobile brake disc with a reinforcing rib and a heat radiation drill hole groove according to claim 7, characterized in that, The chip removal groove (17) and the heat dissipation and chip removal structure are arranged in an intersecting manner on the upper and lower ends of the friction disc (12).

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