Multi-stage tooth-shaped wear-resistant steel ball

Abstract

The utility model discloses a multistage tooth-shaped wear-resistant steel ball which comprises a steel ball body, tooth-shaped grooves are formed in the surface of the steel ball body, a core layer is arranged in the steel ball body, a hardened layer is arranged on the outer side of the core layer, a protective layer is arranged on the outer side of the hardened layer, and a tooth-shaped layer is arranged on the outer side of the protective layer. The surface treatment layer is arranged on the outer side of the tooth-shaped layer, the protective layer is used for protecting the core layer and the hardened layer and preventing the core layer and the hardened layer from being excessively abraded in the grinding process, the tooth-shaped layer is used for increasing the contact area and friction force between the tooth-shaped layer and materials, and therefore the grinding efficiency is improved, and the surface treatment layer can improve the corrosion resistance of the steel ball. According to the multi-stage tooth-shaped steel ball, the surface smoothness is improved, the contact performance with other parts is improved, the arranged nitriding layer can penetrate into the surface of the steel ball to form a nitriding layer with high hardness and good abrasion resistance, the abrasion resistance and corrosion resistance of the steel ball are remarkably improved, meanwhile, friction is reduced, and therefore the abrasion resistance effect of the multi-stage tooth-shaped steel ball is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel balls, and in particular relates to a multi-stage toothed wear-resistant steel ball. Background Art

[0002] Multi-stage toothed wear-resistant steel balls are a special abrasive used in various ball mills and grinding equipment. This type of steel ball is usually made of high-carbon chromium alloy steel, has good wear resistance and impact resistance, and can work for a long time under high pressure and high impact speed conditions without being easily damaged. During the manufacturing process, multi-stage toothed wear-resistant steel balls will undergo precise heat treatment and machining to ensure their hardness and dimensional accuracy. The toothed structural design can increase the friction between the ball and the material contact surface, thereby improving the grinding efficiency. This design also allows the steel ball to maintain good performance after wear and extend its service life.

[0003] Currently, the surface of common steel balls is smooth. The mutual friction between the steel balls and the grinding materials in the ball mill is small, resulting in low grinding output. The steel balls are also not wear-resistant, showing a contradiction of high energy consumption per unit output. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a multi-stage toothed wear-resistant steel ball to solve the problem raised in the above background technology that the surface of the currently common steel balls is smooth, the mutual friction between the steel balls and the grinding materials in the ball mill is small, resulting in low grinding output, and the steel balls are not wear-resistant, showing a large energy consumption per unit output.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-stage toothed wear-resistant steel ball, comprising a steel ball, a toothed groove is arranged on the surface of the steel ball, a core layer is arranged inside the steel ball, a hardened layer is arranged on the outside of the core layer, a protective layer is arranged on the outside of the hardened layer, a toothed layer is arranged on the outside of the protective layer, a surface treatment layer is arranged on the outside of the toothed layer, a ceramic coating and a cemented carbide layer are respectively arranged inside the surface treatment layer, and the ceramic coating is located on the outside of the cemented carbide layer.

[0006] Preferably, the tooth-shaped grooves are circular and are provided in plurality.

[0007] Preferably, a nitride layer is provided inside the toothed groove.

[0008] Preferably, the nitride layer is composed of a nitride material.

[0009] Preferably, the hardened layer is made of high carbon steel.

[0010] Preferably, the core layer is made of low carbon steel.

[0011] Preferably, the cemented carbide layer is made of tungsten carbide.

[0012] Compared with the prior art, the utility model provides a multi-stage toothed wear-resistant steel ball with the following features:

[0013] Beneficial effects:

[0014] 1. The utility model provides a multi-stage toothed wear-resistant steel ball. The core layer is a layer inside the steel ball, which is usually made of low-carbon steel or other materials with good toughness. The main function of the core layer is to provide sufficient strength and toughness to withstand the impact and pressure during the grinding process. The hardened layer is outside the core layer, and usually has one or more hardened layers that have undergone special heat treatment. This hardening treatment can improve the hardness and wear resistance of the steel ball, making it more durable during the grinding process. The protective layer is used to protect the core layer and the hardened layer to prevent them from being excessively worn during the grinding process. The toothed layer is used to increase the contact area and friction with the material, thereby improving the grinding efficiency. The surface treatment layer can increase the corrosion resistance of the steel ball, improve the surface smoothness, and improve the contact performance with other components. The nitrided layer can penetrate into the surface of the steel ball to form a nitrided layer with high hardness and good wear resistance, which significantly improves the wear resistance and corrosion resistance of the steel ball and reduces friction, thereby improving the wear resistance of the multi-stage toothed steel ball.

[0015] 2. The utility model provides a ceramic coating and a cemented carbide layer. The ceramic coating provides higher hardness and wear resistance, especially in extreme abrasive environments, and can protect the surface of the steel ball from damage. The cemented carbide layer can provide extremely high hardness and wear resistance, thereby further improving the wear resistance of the steel ball.

[0016] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model has a scientific and reasonable structure, is safe and convenient to use, and provides great help to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 This is a three-dimensional structural schematic diagram of a multi-stage toothed wear-resistant steel ball proposed by the utility model;

[0019] Figure 2 This is a schematic cross-sectional view of a multi-stage toothed wear-resistant steel ball proposed by the utility model;

[0020] Figure 3This is a schematic diagram of the material structure of a multi-stage toothed wear-resistant steel ball proposed by the utility model;

[0021] In the figure: steel ball 1, tooth groove 2, core layer 3, hardened layer 4, protective layer 5, tooth layer 6, surface treatment layer 7, nitride layer 8, ceramic coating 9, cemented carbide layer 10. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-3 The utility model provides a technical solution: a multi-stage toothed wear-resistant steel ball, comprising a steel ball 1, a toothed groove 2 is arranged on the surface of the steel ball 1, a core layer 3 is arranged inside the steel ball 1, a hardened layer 4 is arranged on the outside of the core layer 3, a protective layer 5 is arranged on the outside of the hardened layer 4, a toothed layer 6 is arranged on the outside of the protective layer 5, a surface treatment layer 7 is arranged on the outside of the toothed layer 6, a ceramic coating 9 and a cemented carbide layer 10 are arranged inside the surface treatment layer 7, the ceramic coating 9 is located on the outside of the cemented carbide layer 10, the core layer 3 is a layer inside the steel ball 1, usually made of low-carbon steel or other materials with good toughness, the main function of the core layer is to provide sufficient strength and toughness to withstand the impact and pressure during the grinding process, the hardened layer 4 is outside the core layer, and usually has one or more hardened layers that have undergone special heat treatment. Such hardening treatments as quenching, tempering, nitriding, and hardening treatment can improve the hardness and wear resistance of the steel ball, making it more durable during the grinding process. The protective layer 5 is used to protect the core layer and the hardened layer to prevent them from excessive wear during the grinding process. The toothed layer 6 is used to increase the contact area and friction with the material, thereby improving the grinding efficiency. The surface treatment layer 7 can increase the corrosion resistance of the steel ball, improve the surface smoothness, and improve the contact performance with other components. The nitride layer 8 can penetrate into the surface of the steel ball to form a nitride layer with high hardness and good wear resistance, which significantly improves the wear resistance and corrosion resistance of the steel ball and reduces friction.

[0024] In the present invention, preferably, the tooth-shaped grooves 2 are circular and are provided in plurality.

[0025] In the present invention, preferably, a nitride layer 8 is provided inside the tooth-shaped groove 2 .

[0026] In the present invention, preferably, the nitride layer 8 is composed of a nitride material.

[0027] In the present invention, preferably, the hardened layer 4 is made of high carbon steel.

[0028] In the present invention, preferably, the core layer 3 is made of low-carbon steel.

[0029] In the present invention, preferably, the cemented carbide layer 10 is made of tungsten carbide.

[0030] The working principle and use process of the utility model: when in use, the core layer 3 is a layer inside the steel ball 1, which is usually made of low-carbon steel or other materials with good toughness. The main function of the core layer is to provide sufficient strength and toughness to withstand the impact and pressure during the grinding process. The hardened layer 4 is outside the core layer, and usually has one or more layers of hardened layers that have undergone special heat treatment. This hardening treatment, such as quenching, tempering, nitriding, hardening treatment, etc., can improve the hardness and wear resistance of the steel ball, making it more durable during the grinding process. The protective layer 5 is used to protect the core layer and the hardened layer to prevent them from being excessively worn during the grinding process. The toothed layer 6 is used to increase the contact area and friction with the material, thereby improving the grinding efficiency. The surface treatment layer 7 can increase the corrosion resistance of the steel ball, improve the surface smoothness, and improve the contact performance with other components. The nitride layer 8 can penetrate into the surface of the steel ball to form a nitride layer with high hardness and good wear resistance, which significantly improves the wear resistance and corrosion resistance of the steel ball and reduces friction. The ceramic coating 9 provides higher hardness and wear resistance, especially in extreme abrasive environments, and can protect the surface of the steel ball from damage. The cemented carbide layer 10 can provide extremely high hardness and wear resistance, thereby further improving the wear resistance of the steel ball.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-stage toothed wear-resistant steel ball, comprising a steel ball (1), characterized in that: The surface of the steel ball (1) is provided with a toothed groove (2), the steel ball (1) is provided with a core layer (3) inside, the core layer (3) is provided with a hardened layer (4) outside, the hardened layer (4) is provided with a protective layer (5) outside, the protective layer (5) is provided with a toothed layer (6) outside, the toothed layer (6) is provided with a surface treatment layer (7) outside, the surface treatment layer (7) is provided with a ceramic coating (9) and a cemented carbide layer (10) inside, respectively, and the ceramic coating (9) is located outside the cemented carbide layer (10).

2. A multi-stage toothed wear-resistant steel ball according to claim 1, characterized in that: The tooth-shaped grooves (2) are circular and are provided in a plurality.

3. The multi-stage toothed wear-resistant steel ball according to claim 1, characterized in that: A nitride layer (8) is provided inside the tooth-shaped groove (2).

4. The multi-stage toothed wear-resistant steel ball according to claim 3, characterized in that: The nitride layer (8) is composed of a nitride material.

5. The multi-stage toothed wear-resistant steel ball according to claim 1, characterized in that: The hardened layer (4) is made of high carbon steel.

6. The multi-stage toothed wear-resistant steel ball according to claim 1, characterized in that: The core layer (3) is made of low-carbon steel.

7. The multi-stage toothed wear-resistant steel ball according to claim 1, characterized in that: The hard alloy layer (10) is made of tungsten carbide.

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