Special alloy cast iron grinding ball for mine

Abstract

The utility model discloses a special alloy cast iron grinding ball for a mine, and relates to the technical field of alloy cast iron grinding balls. The wear-resisting shell comprises a first wear-resisting shell, a second wear-resisting shell and an alloy layer, the first wear-resisting shell is opposite to the second wear-resisting shell, the interiors of the first wear-resisting shell and the second wear-resisting shell are communicated, the alloy layer is embedded in the first wear-resisting shell and the second wear-resisting shell, and the interior of the alloy layer is of a cavity structure. A plurality of conduction sleeves are welded to the circumferential side face in the alloy layer, conduction rods are embedded in the conduction sleeves, one ends of the conduction rods extend out of the conduction sleeves, conduction layers are welded to the ends of the conduction rods, and steel balls are embedded in the conduction layers. Through the structure of the steel ball, the conducting layer and the reset spring, when the cast iron grinding ball is used for grinding, the steel ball does irregular motion inside the steel ball and then is conducted to the conducting rod and the conducting sleeve, so that the cast iron grinding ball does irregular motion, and the grinding effect of the cast iron grinding ball in use is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of alloy cast iron grinding balls, and particularly relates to a special alloy cast iron grinding ball for mines. Background Art

[0002] There are two forms of wear-resistant alloy cast balls: one is white cast iron with chromium as the main alloying element, which is simply called chromium alloy cast iron, and the casting grinding ball made of chromium alloy cast iron is called chromium alloy cast iron grinding ball; the other is the casting grinding ball made of ductile iron, and among them, the ductile iron grinding ball with the matrix structure mainly obtained by heat treatment being bainite is simply called bainite ductile iron grinding ball; the ductile iron grinding ball with the matrix structure mainly obtained by heat treatment being martensite is simply called martensite ductile iron grinding ball; wear-resistant cast segments are widely used in ball mills in industries such as metallurgical mines, cement building materials, thermal power generation, flue gas desulfurization, magnetic materials, chemical industry, water coal slurry, pellet ore, slag, ultrafine powder, fly ash, calcium carbonate, quartz sand, etc.

[0003] In the prior art, the structure of the special alloy cast iron grinding ball for mines is relatively simple, resulting in poor wear resistance. When carrying out grinding work, it is driven by a machine to move, and the movement is relatively regular, affecting the grinding effect of the alloy cast iron grinding ball. Content of the Utility Model

[0004] The purpose of the utility model is to provide a special alloy cast iron grinding ball for mines to solve the problem of poor existing grinding effect.

[0005] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0006] The utility model is a special alloy cast iron grinding ball for mines, which includes a first wear-resistant shell, a second wear-resistant shell and an alloy layer. The first wear-resistant shell and the second wear-resistant shell are opposite to each other, and the interiors of the first wear-resistant shell and the second wear-resistant shell are connected and communicated. The alloy layer is embedded inside the first wear-resistant shell and the second wear-resistant shell. The interior of the alloy layer is a cavity structure. A number of conduction sleeves are welded on the inner circumferential surface of the alloy layer. Conduction rods are embedded inside the conduction sleeves. One end of the conduction rod extends to the outside of the conduction sleeve. A conduction layer is welded to one end of the conduction rod. Steel balls are embedded inside the conduction layer. When the cast iron grinding ball is grinding, the steel balls move randomly inside, and then conduct to the conduction rods and the conduction sleeves, making the cast iron grinding ball move randomly, improving the grinding effect when the cast iron grinding ball is used.

[0007] Furthermore, the steel balls are movably connected with the conduction layer, and the outer circumferential surface of the conduction rod and the inside of the conduction sleeve are in sliding fit.

[0008] Further, a reset spring is welded between one surface of the conduction sleeve and the peripheral side surface of the conduction layer, and the reset spring is wound around the peripheral side surface of the conduction rod.

[0009] Further, a plurality of mounting blocks are welded to one surface inside the alloy layer. The mounting blocks and the conduction sleeve are cross-distributed. An installation groove is provided inside the mounting block, and a rolling ball is embedded in the installation groove. The rolling ball is movably connected to the installation groove, making the internal weight of the cast iron grinding ball uneven. Thus, when the cast iron grinding ball is grinding, the random movement of the cast iron grinding ball is further ensured, improving the grinding effect during the use of the device.

[0010] Further, first grooves are provided on both opposite surfaces of the first wear-resistant shell, second grooves are provided on both opposite surfaces of the second wear-resistant shell, and a plurality of wear-resistant strips are welded to the peripheral side surfaces of the first wear-resistant shell and the second wear-resistant shell.

[0011] Further, the two first grooves and the two second grooves are oppositely arranged. Mounting plates are welded to one surface inside the two first grooves, and fastening plates are welded inside the two second grooves.

[0012] Further, the two fastening plates cooperate with the two mounting plates respectively, and fastening bolts are embedded in one surface of the two fastening plates.

[0013] Further, one ends of the two fastening bolts respectively penetrate through one surface of the two fastening plates, and one ends of the two fastening bolts are in screw connection with the two fastening plates respectively.

[0014] The utility model has the following beneficial effects:

[0015] 1. Through the structures of the steel balls, the conduction layer and the reset spring, when the cast iron grinding ball is grinding, the steel balls move randomly inside, and then it is conducted to the conduction rod and the conduction sleeve, making the cast iron grinding ball move randomly, improving the grinding effect when the cast iron grinding ball is used.

[0016] 2. Through the structures of the mounting blocks and the rolling balls, the internal weight of the cast iron grinding ball is uneven, so when the cast iron grinding ball is grinding, the random movement of the cast iron grinding ball is further ensured, improving the grinding effect during the use of the device.

[0017] Of course, when implementing any product of the utility model, it is not necessarily required to achieve all the above-mentioned advantages simultaneously. Description of the Drawings

[0018] To more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0019] Figure 1 Structural schematic diagram of a special alloy cast iron grinding ball for mines of the present utility model;

[0020] Figure 2 Internal structural schematic diagram of a special alloy cast iron grinding ball for mines of the present utility model;

[0021] Figure 3 Front view structural schematic diagram of a special alloy cast iron grinding ball for mines of the present utility model;

[0022] Figure 4 Top view structural schematic diagram of a special alloy cast iron grinding ball for mines of the present utility model.

[0023] In the drawings, the list of components represented by each label is as follows:

[0024] 1. First wear-resistant shell; 2. Second wear-resistant shell; 3. Alloy layer; 4. First groove; 5. Second groove; 6. Mounting plate; 7. Fastening plate; 8. Fastening bolt; 9. Wear-resistant strip; 10. Conduction sleeve; 11. Conduction rod; 12. Return spring; 13. Conduction layer; 14. Steel ball; 15. Mounting block; 16. Mounting groove; 17. Rolling ball. Detailed implementation manners

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0026] In the description of the present utility model, it should be understood that the terms "upper", "middle", "outer", "inner", etc. indicating orientation or positional relationships are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0027] Please refer to Figures 1-4As shown in the figure, the utility model relates to a special alloy cast iron grinding ball for mines, which comprises a first wear-resistant shell 1, a second wear-resistant shell 2 and an alloy layer 3. The first wear-resistant shell 1 and the second wear-resistant shell 2 face each other, and are connected internally. The alloy layer 3 is embedded inside the first wear-resistant shell 1 and the second wear-resistant shell 2. The inside of the alloy layer 3 is of a cavity structure. A number of conduction sleeves 10 are welded to the inner circumferential surface of the alloy layer 3. Conduction rods 11 are embedded inside the conduction sleeves 10. One end of the conduction rod 11 extends outside the conduction sleeve 10. A conduction layer 13 is welded to one end of the conduction rod 11. Steel balls 14 are embedded inside the conduction layer 13. When the cast iron grinding ball is grinding, the steel balls 14 move randomly inside, and then conduct to the conduction rods 11 and the conduction sleeves 10, making the cast iron grinding ball move randomly, and improving the grinding effect when the cast iron grinding ball is used.

[0028] The steel ball 14 is movably connected with the conduction layer 13. The circumferential surface of the conduction rod 11 and the inside of the conduction sleeve 10 are in sliding fit. A return spring 12 is welded between one surface of the conduction sleeve 10 and the circumferential surface of the conduction layer 13. The return spring 12 is wound around the circumferential surface of the conduction rod 11.

[0029] A number of mounting blocks 15 are welded to one surface inside the alloy layer 3. The mounting blocks 15 and the conduction sleeves 10 are cross-distributed. An installation groove 16 is arranged inside the mounting block 15. A rolling ball 17 is embedded inside the installation groove 16. The rolling ball 17 is movably connected with the installation groove 16, making the internal weight of the cast iron grinding ball uneven. Thus, when the cast iron grinding ball is grinding, the random movement of the cast iron grinding ball is further ensured, and the grinding effect when the device is used is improved.

[0030] First grooves 4 are arranged on both opposite surfaces of the first wear-resistant shell 1. Second grooves 5 are arranged on both opposite surfaces of the second wear-resistant shell 2. A number of wear-resistant strips 9 are welded to the circumferential surfaces of the first wear-resistant shell 1 and the second wear-resistant shell 2. The two first grooves 4 and the two second grooves 5 are arranged opposite to each other. Mounting plates 6 are welded to one surface inside the two first grooves 4. Fastening plates 7 are welded inside the two second grooves 5.

[0031] The two fastening plates 7 cooperate with the two mounting plates 6 respectively. Fastening bolts 8 are embedded on one surface of the two fastening plates 7. One end of each of the two fastening bolts 8 penetrates one surface of the two fastening plates 7 respectively. One end of each of the two fastening bolts 8 is in screwed fit with the two fastening plates 7 respectively.

[0032] Please refer to Figures 1-4As shown in the figure, the utility model is a special alloy cast iron grinding ball for mines, and its usage method is as follows: Through the structures of the steel ball 14, the conduction layer 13 and the return spring 12, when the cast iron grinding ball is grinding, the steel ball 14 moves randomly inside, and then conducts to the conduction rod 11 and the conduction sleeve 10, making the cast iron grinding ball move randomly, thus improving the grinding effect when the cast iron grinding ball is used; Through the structures of the mounting block 15 and the rolling ball 17, the internal weight of the cast iron grinding ball is uneven, so when the cast iron grinding ball is grinding, the random movement of the cast iron grinding ball is further ensured, and the grinding effect when the device is used is improved.

[0033] In the description of this specification, the descriptions referring to terms such as "an embodiment", "example", "specific example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0034] The preferred embodiments of the present utility model disclosed above are only used to help illustrate the present utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the present utility model to the specific embodiments described. Obviously, according to the content of this specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present utility model, so that those skilled in the art in the relevant technical field can understand and utilize the present utility model well. The present utility model is only limited by the claims and their full scope and equivalents.

Claims

1. A special alloy cast iron grinding ball for mines, comprising a first wear-resistant shell (1), a second wear-resistant shell (2) and an alloy layer (3), characterized in that: The first wear-resistant shell (1) and the second wear-resistant shell (2) face each other, and the interiors of the first wear-resistant shell (1) and the second wear-resistant shell (2) are connected to each other. The alloy layer (3) is embedded inside the first wear-resistant shell (1) and the second wear-resistant shell (2). The interior of the alloy layer (3) is a cavity structure. A number of conduction sleeves (10) are welded to the inner circumferential surface of the alloy layer (3). A conduction rod (11) is embedded inside each conduction sleeve (10). One end of the conduction rod (11) extends outside the conduction sleeve (10). A conduction layer (13) is welded to one end of the conduction rod (11). Steel balls (14) are embedded inside the conduction layer (13).

2. The alloy cast iron grinding ball for special use in mines according to claim 1, wherein The steel balls (14) are movably connected to the conduction layer (13), and the circumferential surface of the conduction rod (11) is in sliding fit with the interior of the conduction sleeve (10).

3. The special alloy cast iron grinding balls for mines according to claim 2, characterized in that, A return spring (12) is welded between one surface of the conduction sleeve (10) and the circumferential surface of the conduction layer (13), and the return spring (12) is wound around the circumferential surface of the conduction rod (11).

4. A special alloy cast iron grinding ball for mines according to claim 1, characterized in that, A number of mounting blocks (15) are welded to one surface inside the alloy layer (3). The mounting blocks (15) and the conduction sleeves (10) are cross-distributed. Mounting grooves (16) are provided inside the mounting blocks (15). Rolling balls (17) are embedded inside the mounting grooves (16). The rolling balls (17) are movably connected to the mounting grooves (16).

5. A special alloy cast iron grinding ball for mines according to claim 1, characterized in that, First grooves (4) are provided on both opposite surfaces of the first wear-resistant shell (1), and second grooves (5) are provided on both opposite surfaces of the second wear-resistant shell (2). A number of wear-resistant strips (9) are welded to the circumferential surfaces of the first wear-resistant shell (1) and the second wear-resistant shell (2).

6. The special alloy cast iron grinding ball for mines according to claim 5, characterized in that, The two first grooves (4) and the two second grooves (5) are arranged opposite to each other. Mounting plates (6) are welded to the inner surfaces of the two first grooves (4), and fastening plates (7) are welded inside the two second grooves (5).

7. The alloy cast iron grinding ball for special use in mines according to claim 6, characterized in that, The two fastening plates (7) cooperate with the two mounting plates (6) respectively. Fastening bolts (8) are embedded in the surfaces of the two fastening plates (7).

8. A special alloy cast iron grinding ball for mines according to claim 7, characterized in that, One ends of the two fastening bolts (8) respectively penetrate the surfaces of the two fastening plates (7), and one ends of the two fastening bolts (8) are in screw fit with the two fastening plates (7) respectively.

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