Anti-blocking mill tail grate plate for cement screening

Abstract

The utility model discloses an anti-clogging mill tail grate plate for cement screening, which comprises a middle plate, an upper support and a lower support, the upper support is mounted on the upper surface of the middle plate, the lower support is mounted on the lower surface of the middle plate, a grate plate is mounted on the surface of the middle plate in an embedded manner, a sliding chute is formed in the upper surface of the middle plate, and the lower support is mounted on the lower surface of the middle plate. The lower wall of the sliding groove in the upper surface of the middle plate is wavy, and a protruding block is arranged at the lower end of the side surface of the middle plate. According to the anti-blocking mill tail grate plate for cement screening, the pushing block is arranged under the grate plate outlet, when the grate plate outlet is blocked, the electric telescopic rod can be started, the electric telescopic rod drives the pushing block to enter the grate plate outlet, foreign matter blocking the grate plate outlet is pushed out, the grate plate is dredged, blocking is prevented, a sweeping device is arranged on the upper surface of the middle plate, a motor rotates, and the motor drives the motor to rotate. The upper support is driven to rotate, the upper support drives the brush to clean the surface of the grid plate and push fine powder to enter the grid plate, when the grid plate is blocked, the brush slightly scrapes foreign matter blocked in the grid plate, the foreign matter can be loosened and fall off, and blocking is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of cement tube mills, in particular to an anti-clogging mill tail grate plate for cement screening. Background Art

[0002] The cement tube mill is mainly used to screen cement. A grate plate is installed inside the machine to screen cement particles. The grate plate out of the mill is generally cast with wear-resistant alloy cast steel. In order to block small grinding bodies, the grate gap width is about 6mm to 10mm, but it cannot be too small, otherwise the casting process will be difficult to achieve. After long-term grinding of the grinding bodies in the mill, a large number of grinding bodies and their fragments close to the width of the grate gap will be produced, which are very easy to get stuck in the discharge grate gap. These grinding bodies stuck in the grate gap are difficult to fall off. As time goes by, the discharge grate plate becomes blocked. When removing the blockage, the existing cement mill new anti-blocking grate plate needs to regularly disassemble the machine, remove the grate plate from the inside of the machine, adjust the size of the grate plate hole, and clean the internal grate plate blockage. The operation is relatively complicated and inconvenient to clean, which affects work efficiency. Utility Model Content

[0003] The utility model aims to provide a grate plate for cement screening which is anti-clogging, so as to solve the problem that the grate plate is easy to be clogged and inconvenient to clean after being clogged, which is proposed in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a kind of anti-clogging mill tail grate plate for cement screening, comprising a middle plate, an upper bracket and a lower bracket, the upper surface of the middle plate is installed with an upper bracket, the lower surface of the middle plate is installed with a lower bracket, the surface of the middle plate is embedded with a grate plate, the middle surface of the middle plate is penetrated by a rotating shaft, the upper surface of the middle plate is provided with a slide groove, the lower wall of the slide groove on the upper surface of the middle plate is wavy, and the lower end of the side surface of the middle plate is provided with a protrusion.

[0005] Preferably, a slider is embedded on the lower surface of the upper bracket, a brush is installed on the lower surface of the slider, a spring is connected to the slider and the upper bracket, a sliding rod is embedded on the lower surface of the upper bracket, a rotating ball is embedded on the lower surface of the sliding rod, and the lower end of the sliding rod is embedded in the slide groove on the upper surface of the middle plate.

[0006] By adopting the above technical solution, the upper bracket rotates, the upper bracket drives the sliding rod and the rotating ball to slide, the sliding rod moves downward due to the middle plate slide groove, the downward movement of the sliding rod drives the slider to move downward, and the slider drives the brush to move downward.

[0007] Preferably, an electric telescopic rod is installed on the lower surface of the lower bracket, a rotating shaft is installed through the central surface of the lower bracket, a push block is installed on the upper surface of the lower bracket, a protrusion is installed on the outer surface of the lower bracket, and the lower bracket is slidably connected to the protrusion.

[0008] By adopting the above technical solution, the electric telescopic rod is opened, the electric telescopic rod pushes the lower bracket, and the lower bracket drives the push block.

[0009] Preferably, the rotating shaft is installed through the surfaces of the middle plate, the upper bracket and the lower bracket, the rotating shaft is fixedly installed with the upper bracket, and a motor is fixedly installed on the lower surface of the rotating shaft.

[0010] By adopting the above technical solution, the motor drives the rotating shaft, and the rotating shaft drives the upper bracket.

[0011] Preferably, the push block is located directly below the sieve plate outlet.

[0012] By adopting the above technical solution, the push block moves into the sieve plate outlet.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the anti-clogging mill tail grate plate for cement screening:

[0014] 1. A push block is provided directly below the grate plate outlet. When the grate plate outlet is blocked, the electric telescopic rod can be opened, and the electric telescopic rod drives the push block to enter the grate plate outlet, push out the foreign matter blocking the grate plate outlet, dredge the grate plate, and prevent blockage;

[0015] 2. A cleaning device is provided on the upper surface of the middle plate. The motor rotates, driving the upper bracket to rotate. The upper bracket drives the brush to clean the surface of the grate plate and push the fine powder into the grate plate. When the grate plate is blocked, the brush slightly scrapes the foreign matter blocked in the grate plate to loosen and fall off the foreign matter, thereby reducing blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the connection structure between the upper bracket and the brush of the utility model;

[0018] Figure 3 This is a schematic diagram of the rear cross-sectional structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the side sectional structure of the utility model;

[0020] Figure 5 For this utility model Figure 4 Schematic diagram of the structure of the enlarged view of point A.

[0021] In the figure: 1. middle plate; 2. upper bracket; 3. lower bracket; 4. sieve plate; 5. rotating shaft; 6. slider; 7. brush; 8. sliding rod; 9. rotating ball; 10. electric telescopic rod; 11. motor; 12. push block; 13. bump. 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 1-5 The utility model provides a technical solution: an anti-clogging mill tail grate for cement screening, comprising a middle plate 1, an upper bracket 2, a lower bracket 3, a sieve plate 4, a rotating shaft 5, a slider 6, a brush 7, a sliding rod 8, a rotating ball 9, an electric telescopic rod 10, a motor 11, a push block 12 and a protrusion 13. The upper bracket 2 is installed on the upper surface of the middle plate 1, the lower bracket 3 is installed on the lower surface of the middle plate 1, the sieve plate 4 is embedded on the surface of the middle plate 1, the rotating shaft 5 is installed through the middle surface of the middle plate 1, a slide groove is provided on the upper surface of the middle plate 1, the lower wall of the slide groove on the upper surface of the middle plate 1 is wavy, and a protrusion 13 is provided at the lower end of the side surface of the middle plate 1.

[0024] A slider 6 is embedded on the lower surface of the upper bracket 2, a brush 7 is installed on the lower surface of the slider 6, the slider 6 is connected to the upper bracket 2 with a spring, a sliding rod 8 is embedded on the lower surface of the upper bracket 2, a rotating ball 9 is embedded on the lower surface of the sliding rod 8, the lower end of the sliding rod 8 is embedded in the slide groove on the upper surface of the middle plate 1, the upper bracket 2 rotates, the upper bracket 2 drives the sliding rod 8 and the rotating ball 9 to slide, the sliding rod 8 moves downward due to the slide groove of the middle plate 1, the sliding rod 8 moves downward and drives the slider 6 to move downward, the slider 6 drives the brush 7 to move downward, the brush 7 cleans the screen plate 4 to reduce blockage.

[0025] An electric telescopic rod 10 is installed on the lower surface of the lower bracket 3, a rotating shaft 5 is installed through the central surface of the lower bracket 3, a pushing block 12 is installed on the upper surface of the lower bracket 3, a convex block 13 is installed on the outer surface of the lower bracket 3, and the lower bracket 3 is slidably connected with the convex block 13. When the electric telescopic rod 10 is opened, the electric telescopic rod 10 pushes the lower bracket 3, and the lower bracket 3 drives the pushing block 12. The pushing block 12 enters the sieve plate 4 to push out blocking foreign matter and fine powder to prevent clogging.

[0026] The rotating shaft 5 is installed through the surfaces of the middle plate 1, the upper bracket 2 and the lower bracket 3. The rotating shaft 5 is fixedly installed with the upper bracket 2. A motor 11 is fixedly installed on the lower surface of the rotating shaft 5. The motor 11 drives the rotating shaft 5, and the rotating shaft 5 drives the upper bracket 2.

[0027] The push block 12 is located directly below the outlet of the sieve plate 4 .

[0028] Working principle: when using the anti-clogging mill tail grate for cement screening, turn on the motor 11, the motor 11 drives the rotating shaft 5, the rotating shaft 5 drives the upper bracket 2 to rotate, the upper bracket 2 rotates and drives the brush 7, the brush 7 cleans the surface of the sieve plate 4, the brush 7 pushes the fine powder into the outlet of the sieve plate 4, when the outlet of the sieve plate 4 is blocked, the brush 7 scrapes the fine powder blocked at the outlet of the sieve plate 4 to loosen and fall off, reducing blockage; when the sieve plate 4 is blocked, turn on the electric telescopic rod 10, the electric telescopic rod 10 pushes the lower bracket 3, the lower bracket 3 drives the push block 12 to move upward, the push block 12 enters the outlet of the sieve plate 4, pushes out the fine powder and foreign matter in the outlet of the sieve plate 4, dredges the grate plate, prevents the sieve plate 4 from being blocked, and increases the overall practicality.

[0029] 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 grate plate for cement screening that prevents clogging, comprising a middle plate (1), an upper bracket (2) and a lower bracket (3), characterized in that: An upper bracket (2) is installed on the upper surface of the middle plate (1), a lower bracket (3) is installed on the lower surface of the middle plate (1), a screen plate (4) is embedded on the surface of the middle plate (1), a rotating shaft (5) is installed through the middle surface of the middle plate (1), a slide groove is provided on the upper surface of the middle plate (1), the lower wall of the slide groove on the upper surface of the middle plate (1) is wavy, and a protrusion (13) is provided at the lower end of the side surface of the middle plate (1).

2. The anti-clogging mill tail grate plate for cement screening according to claim 1, characterized in that: A slider (6) is embeddedly mounted on the lower surface of the upper bracket (2), a brush (7) is mounted on the lower surface of the slider (6), a spring is connected between the slider (6) and the upper bracket (2), a sliding rod (8) is embeddedly mounted on the lower surface of the upper bracket (2), a rotating ball (9) is embeddedly mounted on the lower surface of the sliding rod (8), and the lower end of the sliding rod (8) is embeddedly mounted in a sliding groove on the upper surface of the middle plate (1).

3. The anti-clogging mill tail grate plate for cement screening according to claim 1, characterized in that: An electric telescopic rod (10) is mounted on the lower surface of the lower bracket (3), a rotating shaft (5) is mounted through the central surface of the lower bracket (3), a pushing block (12) is mounted on the upper surface of the lower bracket (3), a convex block (13) is mounted on the outer surface of the lower bracket (3), and the lower bracket (3) is slidably connected to the convex block (13).

4. The anti-clogging mill tail grate plate for cement screening according to claim 1, characterized in that: The rotating shaft (5) is installed through the surfaces of the middle plate (1), the upper bracket (2) and the lower bracket (3); the rotating shaft (5) is fixedly installed on the upper bracket (2); and a motor (11) is fixedly installed on the lower surface of the rotating shaft (5).

5. The anti-clogging mill tail grate plate for cement screening according to claim 3, characterized in that: The push block (12) is located directly below the outlet of the sieve plate (4).

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