CN216343571U

CN216343571U - Composite metal product

Info

Publication number: CN216343571U
Application number: CN202122196012.4U
Authority: CN
Inventors: 邓顺文
Original assignee: Suzhou Yidi Metal Technology Co ltd
Current assignee: Suzhou Yidi Metal Technology Co ltd
Priority date: 2021-09-12
Filing date: 2021-09-12
Publication date: 2022-04-19
Anticipated expiration: 2031-09-12

Abstract

The utility model provides a composite metal product. A composite metal article comprising: the tray body is provided with a plurality of mounting holes, and the side surface of the tray body is provided with a plurality of radiating grooves; the inner wall of the heat dissipation groove is provided with a reinforcing layer; the upper surface and the lower surface of the tray body are both provided with wear-resistant layers. The composite metal product provided by the utility model is provided with the heat dissipation groove, the reinforcing layer and the wear-resistant layer, the heat dissipation groove increases the heat dissipation area and is beneficial to heat dissipation, meanwhile, the reinforcing layer and the wear-resistant layer enhance the structural strength and wear resistance, the structural strength in a high-temperature state is improved, the service life of the disc body is prolonged, accidents are prevented, and the wear-resistant layer made of titanium alloy with the thickness of 0.5mm has good high-temperature characteristic and wear resistance, so that the disc body can keep higher structural strength and toughness when being heated, and the disc body is prevented from being damaged or even disassembled due to lower strength after being heated.

Description

Composite metal product

Technical Field

The utility model relates to the technical field of automobiles, in particular to a composite metal product.

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.

The brake disc is made of gray cast iron 250 standard in China, HT250 for short, and the standard is equivalent to the American G3000 standard. The mechanical property requires that the tensile strength > =206MPa, the bending strength > =1000MPa, the deflection > =5.1mm, and the hardness requires 187-241 HBS.

When the conventional brake disc passes through a long downhill, the brake disc is over-high in temperature, insufficient in strength and easy to damage due to long-time braking, the service life of the brake disc is shortened, and safety accidents are easy to happen.

Therefore, there is a need to provide a composite metal product that solves the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a composite metal product.

In order to solve the above technical problems, the present invention provides a composite metal article comprising: the tray body is provided with a plurality of mounting holes, and the side surface of the tray body is provided with a plurality of radiating grooves; the inner wall of the heat dissipation groove is provided with a reinforcing layer; the upper surface and the lower surface of the tray body are both provided with wear-resistant layers.

Preferably, the reinforcing layer is made of aluminum alloy, and the thickness of the reinforcing layer is 2 mm.

Preferably, the material of the wear-resistant layer is titanium alloy, and the thickness of the wear-resistant layer is 0.5 mm.

Preferably, a plurality of reinforcing ribs are arranged in the heat dissipation groove.

Preferably, both sides of the heat dissipation groove are provided with a plurality of connecting holes, and the aperture of each connecting hole is 2 mm.

Preferably, the disk body is made of pearlite gray cast iron, and the hardness is 187-241 HBS.

Compared with the related art, the composite metal product provided by the utility model has the following beneficial effects:

(1) through setting up radiating groove, enhancement layer and wearing layer, the radiating groove has increased heat radiating area and is favorable to the heat dissipation, and simultaneously, structural strength and wearability have been strengthened to enhancement layer and wearing layer to, improve structural strength under the high temperature state, improved the life of disk body, prevent the occurence of failure.

(2) The reinforcing layer made of the aluminum alloy material with the thickness of 2mm improves the structural strength of the radiating groove, and prevents the disk body from being heated and reducing the strength to cause damage and even disintegration.

(3) The wear-resistant layer of the titanium alloy with the thickness of 0.5mm has good high-temperature characteristic and wear resistance, so that the disc body can keep high structural strength and toughness when being heated, and the disc body is prevented from being damaged or even disintegrated due to low strength after being heated.

(4) The two sides of the heat dissipation groove are connected through the reinforcing ribs, and the structural strength of the heat dissipation groove is improved.

(5) Through setting up the connecting hole, be used for the disk body when rotating, the air of windward side can get into the radiating groove of lee side through the connecting hole after getting into the radiating groove to carry out quick heat dissipation.

(6) The pearlite gray cast iron with the hardness of 187-241 HBS is low in cost, has general framework strength and good toughness, and is suitable for popularization and use.

Drawings

FIG. 1 is a schematic structural view of a composite metal article provided by the present invention;

FIG. 2 is a cross-sectional view of the composite metal article shown in FIG. 1;

fig. 3 is an enlarged view of a portion a in fig. 2.

Reference numbers in the figures: 1. disk body, 2, mounting hole, 3, radiating groove, 4, enhancement layer, 5, wearing layer, 6, strengthening rib, 7, connecting hole.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

Example 1:

referring to fig. 1-3 in combination, in an embodiment of the utility model, a composite metal article includes: the tray body 1 is provided with a plurality of mounting holes 2, and the side surface of the tray body 1 is provided with a plurality of radiating grooves 3; the inner wall of the heat dissipation groove 3 is provided with a reinforcing layer 4; the upper surface and the lower surface of the plate body are both provided with wear-resistant layers 5.

In this embodiment, the increased heat dissipation area of the heat dissipation groove 3 is favorable for heat dissipation, and meanwhile, the reinforcing layer 4 and the wear-resistant layer 5 enhance the structural strength and wear resistance, and the service life of the disc body 1 is prolonged.

Example 2:

as shown in fig. 2 and 3, the material of the reinforcing layer 4 is aluminum alloy, and the thickness of the reinforcing layer 4 is 2 mm.

In this embodiment, the reinforcing layer 4 made of an aluminum alloy with a thickness of 2mm improves the structural strength of the heat dissipation groove 3, and prevents the disk body 1 from being damaged or even disassembled due to low strength after being heated.

Example 3:

as shown in fig. 2 and 3, the material of the wear-resistant layer 5 is titanium alloy, and the thickness of the wear-resistant layer is 0.5 mm.

In this embodiment, the wear-resistant layer 5 of titanium alloy with a thickness of 0.5mm has good high-temperature characteristics and wear resistance, so that the disk body 1 can maintain high structural strength and toughness when heated, and the disk body 1 is prevented from being damaged or even disintegrated due to low strength after being heated.

Example 4:

as shown in fig. 2 and 3, a plurality of ribs 6 are provided in the heat sink 3.

In this embodiment, the ribs 6 connect both sides of the heat sink 3, improving the structural strength of the heat sink 3.

Example 5:

as shown in fig. 2 and 3, a plurality of connecting holes 7 are formed on both sides of the heat dissipating groove 3, and the diameter of each connecting hole 7 is 2 mm.

In this embodiment, the number of the one-side connecting holes 7 is less than 5, and the connecting holes 7 are used for enabling air on the windward side to enter the heat dissipation grooves 3 on the leeward side through the connecting holes 7 when the disk body 1 rotates, so that rapid heat dissipation can be performed.

Example 6:

the disk body 1 is made of pearlite gray cast iron, and the hardness is 187-241 HBS.

In the embodiment, the pearlite gray cast iron with the hardness of 187-241 HBS is low in cost, has general framework strength and good toughness, and is suitable for popularization and application.

The working principle of the composite metal product provided by the utility model is as follows:

firstly, the heat dissipation area of the heat dissipation groove 3 is increased, so that heat dissipation is facilitated, meanwhile, the reinforcing layer 4 and the wear-resistant layer 5 enhance the structural strength and wear resistance, and the service life of the disc body 1 is prolonged;

the reinforcing layer 4 made of the aluminum alloy material with the thickness of 2mm improves the structural strength of the heat dissipation groove 3, and prevents the disk body 1 from being damaged or even disintegrated due to low strength after being heated;

the wear-resistant layer 5 made of the titanium alloy with the thickness of 0.5mm has good high-temperature characteristic and wear resistance, so that the disc body 1 can keep higher structural strength and toughness when being heated, and the disc body 1 is prevented from being damaged or even disintegrated due to low strength after being heated;

the reinforcing ribs 6 are connected with the two sides of the heat dissipation groove 3, so that the structural strength of the heat dissipation groove 3 is improved;

the number of the connecting holes 7 on the single side is less than 5, and the connecting holes 7 have the function that when the disk body 1 rotates, air on the windward side enters the heat dissipation grooves 3 and then can enter the heat dissipation grooves 3 on the leeward side through the connecting holes 7, so that rapid heat dissipation is performed;

the pearlite gray cast iron with the hardness of 187-241 HBS is low in cost, has general framework strength and good toughness, and is suitable for popularization and use.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A composite metal article, comprising: the tray body is provided with a plurality of mounting holes, and the side surface of the tray body is provided with a plurality of radiating grooves; the inner wall of the heat dissipation groove is provided with a reinforcing layer; the upper surface and the lower surface of the tray body are both provided with wear-resistant layers.

2. The composite metal article of claim 1, wherein the reinforcement layer is an aluminum alloy and the reinforcement layer has a thickness of 2 mm.

3. The composite metal article of claim 1, wherein the wear layer is a titanium alloy and has a thickness of 0.5 mm.

4. The composite metal article of claim 1, wherein a plurality of ribs are disposed within said heat sink channel.

5. The composite metal article according to claim 1, wherein a plurality of connection holes are formed on both sides of the heat dissipation groove, and the diameter of each connection hole is 2 mm.

6. The composite metal article defined in claim 1, wherein the disc material is pearlitic gray cast iron having a hardness of 187-241 HBS.