Milling-out anti-blocking grid plate device of superfine ball mill

Abstract

The utility model discloses a mill discharge anti-blocking grid plate device of a superfine ball mill, which comprises a grid plate frame, a plurality of grid plate blocks are fixedly mounted on the grid plate frame, and a plurality of grid plate holes are uniformly arrayed on the grid plate blocks; a guide rod is arranged on the end face of the grid plate block, the guide rod is in an arc shape, and the two ends of the guide rod are fixed to the grid plate block; the guide rod is sleeved with an impact ball, and the impact ball is movably connected with the guide rod. The arc-shaped guide hole can be matched with the arc-shaped guide rod, so that the impact ball can freely slide on the guide rod, the grid plate frame is fixedly installed on the end face of the grinding cylinder, the grid plate frame rotates along with the grinding cylinder when the grinding cylinder rotates, the grid plate block also rotates along with the grinding cylinder, and the guide rod rotates with the inner ring as the circle center. The impact ball slides from one end of the guide rod to the other end of the guide rod and knocks the grid plate block, and if the grid plate hole is blocked by powder, the blocked powder can be vibrated out through impact of the impact ball on the grid plate block.

Description

Technical Field

[0001] The utility model relates to the technical field of ball mills, in particular to an anti-blocking grate plate device for the outlet of an ultrafine ball mill. Background Technique

[0002] A ball mill is a key device for further pulverizing materials after they are broken. It is widely used in production industries such as cement, silicate products, new building materials, refractories, fertilizers, black and non-ferrous metal beneficiation, and glass ceramics. In a ball mill, a certain number of steel balls are loaded into its cylinder as grinding media. When the cylinder of the ball mill rotates, the grinding media, due to the action of inertia, centrifugal force, and friction, adheres to the cylinder lining plate and is carried away by the cylinder. When it is carried to a certain height, it falls due to its own gravity. The falling grinding media, like a projectile, breaks the materials in the cylinder.

[0003] The outlet grate plate is a component in a ball mill used to screen powder materials, and the grate plate is arranged at the end face of the grinding cylinder. The powder materials ground by the ball mill are screened by the grate plate to separate the fine powder. However, when the grate plate screens the fine powder materials, the powder materials are prone to accumulate in the grate plate holes, causing blockage and affecting the working efficiency. Content of the Utility Model

[0004] The purpose of the utility model is to provide an anti-blocking grate plate device for the outlet of an ultrafine ball mill to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: an anti-blocking grate plate device for the outlet of an ultrafine ball mill, which includes a grate plate frame. A plurality of grate plate blocks are fixedly installed on the grate plate frame, and a number of grate plate holes are evenly arranged in an array on the grate plate blocks;

[0006] A guide rod is arranged at the end face of the grate plate block. The guide rod is in an arc shape, and both ends of the guide rod are fixed on the grate plate block;

[0007] An impact ball is sleeved on the guide rod, and the impact ball is movably connected with the guide rod;

[0008] After the grate plate frame rotates, the impact ball moves from one end of the guide rod to the other end due to the action of gravity and impacts the grate plate block.

[0009] Preferably, a guide hole is arranged through the impact ball itself. The guide hole is an arc-shaped hole, and the guide hole is slidably connected with the guide rod.

[0010] Preferably, the grate plate frame includes an outer ring and an inner ring. The outer ring and the inner ring are connected by a plurality of connecting plates. A grate plate bin is formed between adjacent two connecting plates. The shape of the grate plate bin is fan-shaped, and the grate plate bins are arranged in an array on the grate plate frame with the inner ring as the center of the circle.

[0011] Preferably, the shape of the grate plate block is fan-shaped, and the grate plate block is installed in the grate plate bin.

[0012] Preferably, an inner edge plate is provided inside the grate plate bin, and the grate plate block is fixedly installed on the inner edge plate by bolts.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] Through the arc-shaped guide holes of the present utility model, it can cooperate with the arc-shaped guide rods, enabling the impact balls to slide freely on the guide rods. The grate plate frame is fixedly installed on the end face of the grinding cylinder. When the grinding cylinder rotates, the grate plate frame also rotates accordingly, causing the grate plate blocks to rotate as well, making the guide rods rotate around the inner circle. Due to the action of gravity, the impact balls will slide from one end of the guide rod to the other end and strike the grate plate blocks. If the grate plate holes are blocked by powder materials, the blocked powder materials will be shaken out by the impact of the impact balls on the grate plate blocks. Description of the Drawings

[0015] Figure 1 is the overall structural schematic diagram of the present utility model;

[0016] Figure 2 is the front view of the present utility model;

[0017] Figure 3 is the side sectional view of the present utility model;

[0018] Figure 4 is the Figure 3 detailed enlarged view of part A in the present utility model;

[0019] Figure 5 is the overall structural schematic diagram of the grate plate frame of the present utility model.

[0020] In the figure: 1. Grate plate frame; 11. Outer ring; 12. Inner ring; 13. Connecting plate; 14. Grate plate bin; 15. Inner edge plate; 2. Grate plate block; 21. Grate plate hole; 22. Guide rod; 3. Impact ball; 31. Guide hole; 4. Bolt. Detailed Embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figures 1-5, the present utility model provides a technical solution: an anti-blocking grate plate device for the outlet of an ultrafine ball mill, including a grate plate frame 1, on which a plurality of grate plate blocks 2 are fixedly installed. A number of grate plate holes 21 are evenly arranged on the grate plate blocks 2;

[0023] The grate plate frame 1 includes an outer ring 11 and an inner ring 12. The outer ring 11 and the inner ring 12 are connected by a plurality of connecting plates 13. A grate plate bin 14 is formed between two adjacent connecting plates 13. The shape of the grate plate bin 14 is fan-shaped, and the grate plate bins 14 are arranged on the grate plate frame 1 in an array with the inner ring 12 as the center;

[0024] The grate plate block 2 is fan-shaped and is installed in the grate plate bin 14;

[0025] An inner edge plate 15 is provided on the inner side of the grate plate bin 14. The grate plate block 2 is fixedly installed on the inner edge plate 15 by bolts 4.

[0026] Among them, the outer ring 11, the inner ring 12 and the connecting plates 13 are connected to each other by welding. Since the overall grate plate is heavy, the grate plate block 2 is divided into several pieces for easy transportation and installation. A plurality of grate plate bins 14 are provided on the grate plate frame 1, and an inner edge plate 15 is provided in the grate plate bin 14. Installation holes for fixing the grate plate block 2 are provided on the inner edge plate 15, so that the grate plate block 2 is fixedly installed in the grate plate bin 14 by bolts 4. The powder ground by the ball mill is sieved out from the inside of the grinding cylinder through the grate plate holes 21.

[0027] A guide rod 22 is provided at the end face of the grate plate block 2. The guide rod 22 is arc-shaped, and both ends of the guide rod 22 are fixed on the grate plate block 2;

[0028] An impact ball 3 is sleeved on the guide rod 22, and the impact ball 3 is movably connected to the guide rod 22;

[0029] A guide hole 31 penetrating through itself is provided on the impact ball 3. The guide hole 31 is an arc-shaped hole, and the guide hole 31 is slidably connected to the guide rod 22;

[0030] After the grate plate frame 1 rotates, the impact ball 3 moves from one end of the guide rod 22 to the other end due to gravity and impacts the grate plate block 2.

[0031] Among them, the arc-shaped guide hole 31 can cooperate with the arc-shaped guide rod 22, so that the impact ball 3 can freely slide on the guide rod 22. The grate plate frame 1 is fixedly installed on the end face of the grinding cylinder. When the grinding cylinder rotates, the grate plate frame 1 also rotates accordingly, so that the grate plate block 2 also rotates accordingly, and the guide rod 22 rotates with the inner ring 12 as the center. Due to gravity, the impact ball 3 will slide from one end of the guide rod 22 to the other end and strike the grate plate block 2. If the grate plate hole 21 is blocked by powder, the blocked powder will be shaken out by the impact of the impact ball 3 on the grate plate block 2.

[0032] Working principle and usage process of the utility model:

[0033] Since the overall grate plate is heavy, in order to facilitate transportation and installation, the grate plate block 2 is divided into several pieces. There are multiple grate plate bins 14 provided on the grate plate frame 1, and an inner edge plate 15 is provided in the grate plate bin 14. Installation holes for fixing the grate plate block 2 are provided on the inner edge plate 15, so that the grate plate block 2 is fixedly installed in the grate plate bin 14 through bolts 4; the powder milled by the ball mill is sieved out through the grate plate holes 21 from the inside of the grinding cylinder. When the grate plate holes 21 are blocked by the powder, since the grate plate frame 1 is fixedly installed on the end face of the grinding cylinder, the grate plate frame 1 also rotates along with the rotation of the grinding cylinder, so that the grate plate block 2 also rotates along with it, causing the guide rod 22 to rotate with the inner ring 12 as the center. Due to the action of gravity, the impact ball 3 will slide from one end of the guide rod 22 to the other end and strike the grate plate block 2. If the grate plate holes 21 are blocked by the powder, through the impact of the impact ball 3 on the grate plate block 2, the blocked powder will be shaken out.

[0034] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. An anti-blocking grate plate device for the outlet of an ultrafine ball mill, comprising a grate plate frame (1), characterized in that: A plurality of grate plate blocks (2) are fixedly installed on the grate plate frame (1), and a number of grate plate holes (21) are uniformly arranged on the grate plate blocks (2); A guide rod (22) is provided at the end face of the grate plate block (2). The guide rod (22) is in an arc shape, and both ends of the guide rod (22) are fixed on the grate plate block (2); An impact ball (3) is sleeved on the guide rod (22), and the impact ball (3) is movably connected to the guide rod (22); After the grate plate frame (1) rotates, the impact ball (3) moves from one end of the guide rod (22) to the other end of the guide rod (22) due to gravity and impacts the grate plate block (2).

2. The anti-blocking grate plate device for the outlet of an ultrafine ball mill according to claim 1, characterized in that: A guide hole (31) penetrating through itself is provided on the impact ball (3). The guide hole (31) is an arc-shaped hole, and the guide hole (31) is slidably connected to the guide rod (22).

3. The anti-clogging grate plate device for the outlet of an ultrafine ball mill according to claim 1, characterized in that: The grate plate frame (1) includes an outer ring (11) and an inner ring (12). The outer ring (11) and the inner ring (12) are connected by a plurality of connecting plates (13). A grate plate bin (14) is formed between two adjacent connecting plates (13). The grate plate bin (14) is in a fan shape, and the grate plate bins (14) are arranged on the grate plate frame (1) in an array with the inner ring (12) as the center of the circle.

4. An anti-blocking grate plate device for the outlet of an ultrafine ball mill according to claim 3, characterized in that: The grate plate block (2) is in a fan shape, and the grate plate block (2) is installed in the grate plate bin (14).

5. The anti-blocking grate plate device for the outlet of an ultrafine ball mill according to claim 3, characterized in that: An inner edge plate (15) is provided on the inner side of the grate plate bin (14), and the grate plate block (2) is fixedly installed on the inner edge plate (15) through bolts (4).

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