High-hardness wear-resistant steel ball for ball mill

Abstract

The utility model discloses a high-hardness wear-resistant steel ball for a ball mill, and relates to the technical field of ball mills, the exteriors of an upper hemisphere and a lower hemisphere are both coated with wear-resistant coatings, the interiors of the upper hemisphere and the lower hemisphere are both provided with base bodies, the exteriors of the base bodies are provided with second reinforcing layers and first reinforcing layers from inside to outside, and the second reinforcing layers and the first reinforcing layers are arranged in parallel. First reinforcing ribs are symmetrically arranged in the first reinforcing layer, second reinforcing ribs are arranged outside the first reinforcing ribs in a penetrating mode, and a sound insulation mechanism is further arranged between the base body and the second reinforcing layer. The wear-resistant steel ball for the ball mill has efficient strength through the first reinforcing layer and the second reinforcing layer, the service life of the steel ball is prolonged, the strength of the first reinforcing layer can be improved through the first reinforcing ribs and the second reinforcing ribs, the practicability is good, and the practicability is high. And meanwhile, the wear-resistant coating is coated outside the upper hemisphere and the lower hemisphere to improve the wear resistance and prolong the service life of the steel ball.

Description

TECHNICAL FIELD

[0001] The utility model relates to ball mill technical field especially relates to a high hardness wear -resisting steel ball for ball mill. BACKGROUND

[0002] Ball mill is an important grinding equipment, its basic structure contains a hollow cylinder, internally is equipped with the material to be ground and gravel or heavy steel ball, sometimes join water or other certain liquid, and wear -resisting steel ball is the medium for grinding material in ball mill, it can make material grinding finer.

[0003] Chinese patent discloses a kind of wear -resisting steel ball for ball mill (grant announcement number CN213528954U), the patent technology includes base body part, surface layer, first reinforcing layer and second reinforcing layer, surface layer to base body part gradually decreases from inside to outside density, surface layer is the high-density alloy with dense fine-grained structure, base body part is the low-density alloy with loose structure, transition layer is provided between surface layer and base body part, the structure density of transition layer is between the structure density of surface layer and base body part;First reinforcing layer is micron grade titanium boride particle layer, second reinforcing layer is micron grade manganese silicide particle layer.The utility model provides a kind of wear -resisting steel ball for ball mill with reliable performance in view of the deficiencies of prior art, its surface layer structure is compact, and impact resistance is excellent, service life.

[0004] However, the reinforcing mode of the existing wear -resisting steel ball is mostly to adopt two reinforcing layers, the strength of its reinforcing layer is poor, and it is easy to be damaged when steel ball collides, which affects the material grinding work of ball mill, and the above-mentioned comparative document is to adopt reinforcing layer mode, in actual application, since steel ball is used in ball mill, it is easy to be damaged and reduce service life without wear-resistant coating on its outside, and the inside of reinforcing layer is not reinforced, so its strength is poor.Therefore, the person skilled in the art provides a kind of wear -resisting steel ball for ball mill with high hardness to solve the problems raised in the above background. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of prior art, the utility model provides a kind of wear -resisting steel ball for ball mill with high hardness, to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model discloses a high hardness wear -resisting steel ball for ball mill through the following technical schemes, comprising: the upper hemisphere and the lower hemisphere of setting in the lower end of the upper hemisphere, the outside of upper hemisphere and lower hemisphere is all coated with wear -resisting coating, and the inside of upper hemisphere and lower hemisphere is all provided with the matrix, the outside of matrix is provided with second reinforcing layer and first reinforcing layer from inside to outside, the inside of first reinforcing layer is provided with the first reinforcing rib, the outside of first reinforcing rib is provided with the second reinforcing rib, still be provided with sound insulation mechanism between the matrix and second reinforcing layer.

[0007] As a further technical scheme of the utility model, the thickness of the wear -resisting coating is 1mm, and the wear -resisting coating is an alumina ceramic coating.

[0008] As a further technical scheme of the utility model, the first reinforcing rib is provided with six in the inside of the first reinforcing layer.

[0009] As a further technical scheme of the utility model, the second reinforcing rib is provided with at least two groups outside the first reinforcing rib, and the second reinforcing rib is around the outside of the first reinforcing rib.

[0010] As a further technical scheme of the utility model, the thickness of the second reinforcing layer is 3mm, and the second reinforcing layer is a micron boron peptide particle layer.

[0011] As a further technical scheme of the utility model, the sound insulation mechanism includes the second sound insulation layer and the first sound insulation layer of setting in the outside of the matrix from inside to outside, and the first sound insulation layer and the second sound insulation layer are still filled with the filling layer.

[0012] As a further technical scheme of the utility model, the thickness of the first sound insulation layer and the second sound insulation layer is same, and the filling layer is polyester fiber material.

[0013] The utility model provides a high hardness wear -resisting steel ball for ball mill, and has the following beneficial effects compared with prior art:

[0014] 1, the high hardness wear -resisting steel ball for ball mill of the design, through the setting of first reinforcing layer, second reinforcing layer, first reinforcing rib, second reinforcing rib and wear -resisting coating, so the wear -resisting steel ball for ball mill can have high -efficient strength through first reinforcing layer and second reinforcing layer, improves the service life of steel ball, and can improve the strength of first reinforcing layer through first reinforcing rib and second reinforcing rib, and good practicality, simultaneously through wear -resisting coating coating in the outside of upper hemisphere and lower hemisphere to improve the wear resistance and service life of steel ball.

[0015] 2、The high-hardness wear-resistant steel ball for a ball mill has a sound insulation mechanism, and the first sound insulation layer and the second sound insulation layer can make the steel ball have sound insulation effect, and the filling layer can improve the sound insulation effect, so that noise generated by the steel ball of the ball mill in collision is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of a high-hardness wear-resistant steel ball for a ball mill.

[0017] Figure 2 It is a structural schematic view of the first reinforcing layer in the high-hardness wear-resistant steel ball for a ball mill.

[0018] Figure 3 It is a structural schematic view of the second reinforcing rib in the high-hardness wear-resistant steel ball for a ball mill.

[0019] Figure 4 It is a structural schematic view of the sound insulation mechanism in the high-hardness wear-resistant steel ball for a ball mill.

[0020] In the figure: 1, upper hemisphere; 2, lower hemisphere; 3, first reinforcing layer; 31, second reinforcing layer; 32, first reinforcing rib; 33, second reinforcing rib; 4, base body; 5, sound insulation mechanism; 51, first sound insulation layer; 52, second sound insulation layer; 53, filling layer. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides a high-hardness wear-resistant steel ball for a ball mill technical scheme: including: upper hemisphere 1 and the lower hemisphere 2 of setting in the lower end of upper hemisphere 1, the outside of upper hemisphere 1 and lower hemisphere 2 is coated with wear -resistant coating, and the inside of upper hemisphere 1 and lower hemisphere 2 is provided with base body 4, the outside of base body 4 is provided with second reinforcing layer 31 and first reinforcing layer 3 from inside to outside, the inside of first reinforcing layer 3 is provided with first reinforcing rib 32 symmetrically, the outside of first reinforcing rib 32 is provided with second reinforcing rib 33, base body 4 and second reinforcing layer 31 are also provided with sound insulation mechanism 5, and the setting utilizes first reinforcing layer 3 and second reinforcing layer 31 in the inside of upper hemisphere 1 and lower hemisphere 2 can make that the steel ball has high -efficient strength, improves the service life of the steel ball, and the coating of wear -resistant coating can improve the wear resistance and service life of the steel ball.

[0023] As Figure 1 shown, the thickness of the wear-resistant coating is 1mm, and the wear-resistant coating is an alumina ceramic coating, which is coated on the outside of the upper hemisphere 1 and the lower hemisphere 2, so as to improve the wear resistance of the steel ball.

[0024] As Figure 2 and Figure 3 shown, the first reinforcing rib 32 is arranged in a "U" shape, and six first reinforcing ribs 32 are arranged inside the first reinforcing layer 3, and at least two groups of second reinforcing ribs 33 are arranged outside the first reinforcing rib 32, and the second reinforcing rib 33 is arranged around the outside of the first reinforcing rib 32, and the thickness of the second reinforcing layer 31 is 3mm, and the second reinforcing layer 31 is a micron boron peptide particle layer, which can improve the strength of the first reinforcing layer 3 by arranging the first reinforcing rib 32 and the second reinforcing rib 33 inside the first reinforcing layer 3, so as to avoid damage caused by collision of the steel ball during use, and the second reinforcing layer 31 can improve the strength and has good practicability.

[0025] As Figure 1 and Figure 4 shown, the sound insulation mechanism 5 comprises a second sound insulation layer 52 and a first sound insulation layer 51 arranged outside the base body 4 from inside to outside, and the first sound insulation layer 51 and the second sound insulation layer 52 are filled with a filling layer 53, the thickness of the first sound insulation layer 51 and the second sound insulation layer 52 is the same, and the filling layer 53 is a polyester fiber material, which can realize the purpose of sound insulation of the steel ball by arranging the sound insulation mechanism 5, so as to avoid noise caused by collision between the steel balls, and the first sound insulation layer 51 and the second sound insulation layer 52 can be steel plates.

[0026] The working principle of the utility model is: the high-hardness wear-resistant steel ball of the ball mill is used, first, the steel ball is composed of an upper hemisphere 1 and a lower hemisphere 2, the outer part of the upper hemisphere 1 and the lower hemisphere 2 is coated with a wear-resistant coating, so that the wear-resistant coating can improve the wear resistance and service life of the steel ball, at the same time, the first reinforcing layer 3 and the second reinforcing layer 31 are arranged inside the upper hemisphere 1 and the lower hemisphere 2, and the first reinforcing rib 32 and the second reinforcing rib 33 are arranged inside the first reinforcing layer 3 and around the outside of the first reinforcing rib 32, so as to improve the strength of the upper hemisphere 1 and the lower hemisphere 2 and improve the service life, at the same time, the sound insulation mechanism 5 is arranged inside the upper hemisphere 1 and the lower hemisphere 2, which can avoid noise caused by collision of the ball mill steel ball, and has good practicability.

[0027] The above only is the preferred embodiment of the utility model, it should be pointed out, for ordinary skilled person in the art, without departing from the principle of the utility model, can make a number of improvements and refinements, these improvements and refinements also should be considered the protection scope of the utility model.The structure, device and operating method not specifically described and explained in the utility model, if no special description and limitation, all according to the conventional means of the art implementation.

Claims

1. A high hardness wear-resistant steel ball for a ball mill, characterized in that: include: An upper hemisphere (1) and a lower hemisphere (2) arranged at the lower end of the upper hemisphere (1), the outer surfaces of the upper hemisphere (1) and the lower hemisphere (2) are both coated with a wear-resistant coating, and the inner surfaces of the upper hemisphere (1) and the lower hemisphere (2) are both provided with a base body (4), the outer surface of the base body (4) is provided with a second reinforcement layer (31) and a first reinforcement layer (3) from the inside to the outside, the inner surface of the first reinforcement layer (3) is symmetrically provided with a first reinforcement rib (32), the outer surface of the first reinforcement rib (32) is provided with a second reinforcement rib (33) penetrating therethrough, and a sound insulation mechanism (5) is further provided between the base body (4) and the second reinforcement layer (31).

2. The high hardness wear-resistant steel ball for ball mill according to claim 1, characterized in that: The thickness of the wear-resistant coating is 1 mm, and the wear-resistant coating is an aluminum oxide ceramic coating.

3. The high hardness wear-resistant steel ball for ball mill according to claim 1, characterized in that: The first reinforcing ribs (32) are arranged in a "U" shape, and six first reinforcing ribs (32) are arranged inside the first reinforcement layer (3).

4. The high hardness wear-resistant steel ball for ball mill according to claim 1, characterized in that: At least two groups of the second reinforcing ribs (33) are arranged outside the first reinforcing ribs (32), and the second reinforcing ribs (33) surround the outside of the first reinforcing ribs (32).

5. The high hardness wear-resistant steel ball for ball mill according to claim 1, characterized in that: The thickness of the second reinforcement layer (31) is 3 mm, and the second reinforcement layer (31) is a micron-sized boronated peptide particle layer.

6. The high hardness wear-resistant steel ball for ball mill according to claim 1, characterized in that: The sound insulation mechanism (5) comprises a second sound insulation layer (52) and a first sound insulation layer (51) arranged outside the base body (4) from the inside to the outside, and a filling layer (53) is further filled between the first sound insulation layer (51) and the second sound insulation layer (52).

7. The high hardness wear-resistant steel ball for ball mill according to claim 6, characterized in that: The first sound insulation layer (51) and the second sound insulation layer (52) have the same thickness, and the filling layer (53) is made of polyester fiber material.

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