Vibrating screen plate for coal separator

Abstract

The utility model relates to the technical field of vibrating screen plates of coal separators, in particular to a vibrating screen plate for a coal separator, which comprises a mounting frame, a screen plate mounted in an inner cavity of the mounting frame, a sliding plate mounted in the inner cavity of the mounting frame below the screen plate, a plurality of limiting columns mounted in an inner cavity of the sliding plate, and a tip cone mounted at the top end of the sliding plate at one end of each limiting column. When the blocked inner cavity of the sieve plate needs to be dredged, a user pulls the sliding plate rightwards, and when the tip cone enters the inner cavity of the sieve plate, the spring extends to drive the limiting column and the tip cone to move upwards, so that the blockage of the inner cavity of the sieve plate is avoided. And after dredging is completed, the user pushes the sliding plate leftwards again to enable the cone to return to the original position, and therefore the effect of conveniently cleaning the inner cavity of the sieve plate is achieved.

Description

Technical Field

[0001] The utility model relates to the field of vibrating screen plates for coal preparation machines, in particular to a vibrating screen plate for coal preparation machines. Background Art

[0002] The coal preparation machine is mainly used to sort the size of coal mines, and the vibrating screen plate is mainly installed in the inner cavity of the coal preparation machine to screen the coal powder and smaller coal slag carried by the coal mines during the coal preparation process;

[0003] After a long period of screening, the inner cavity of the existing vibrating screen may be attached with coal powder or smaller coal slag, causing blockage. At this time, the staff is required to clear the blocked screen holes one by one. This process will consume a lot of time and affect the coal preparation efficiency. Utility Model Content

[0004] The purpose of the utility model is to provide a vibrating screen plate for a coal preparation machine to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vibrating screen plate for a coal preparation machine, comprising a mounting frame, a screen plate is mounted in the inner cavity of the mounting frame, a sliding plate is mounted in the inner cavity of the mounting frame below the screen plate, a plurality of limiting columns are mounted in the inner cavity of the sliding plate, a top cone is mounted on the top end of the sliding plate at one end of the limiting column, a spring is mounted in the inner cavity of the sliding plate at the other end of the limiting column, a plurality of circular arc grooves are opened at the top end of the sliding plate outside the top cone, and a plurality of baffles are mounted on the top end of the sliding plate outside the circular arc grooves.

[0006] Preferably, a plurality of guide grooves are provided at the bottom end of the sieve plate at one end of the top cone.

[0007] Preferably, limiting grooves are provided on opposite surfaces of the mounting frames on both sides of the sliding plate, and both sides of the sliding plate are movably connected to the inner cavities of the limiting grooves.

[0008] Preferably, a groove is formed on one side of the sliding plate.

[0009] Preferably, a plurality of fixed knobs are installed at the four corners of the top of the sieve plate and on one side of the sliding plate outside the groove, one end of each of the fixed knobs extends to the inner cavity of the mounting frame, and the surface of the fixed knobs is provided with anti-slip patterns.

[0010] Preferably, the positions of the top cone and the arc groove correspond to the positions of the inner cavity of the sieve plate, and the width of the opposite surface of the baffle plate and the width of the arc groove are equal to the diameter of the inner cavity of the sieve plate.

[0011] Preferably, the connection between the mounting frame and the sliding plate is a movable connection, the connection between the sliding plate and the limiting column is a movable connection, the connection between the limiting column and the top cone is a fixed connection, the connection between the baffle and the sliding plate is a fixed connection, and the connection between the fixed knob and the screen plate and the sliding plate is a threaded connection.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] When it is necessary to dredge the inner cavity blocked by the sieve plate, the user first pulls the sliding plate to the right to allow the top cone to enter the inner cavity of the sieve plate. Due to the spring, when the top cone enters the inner cavity of the sieve plate, the spring extends to drive the limit column and the top cone to move upward, thereby pushing out the coal powder or coal slag attached to the inner cavity blocked by the sieve plate and dredging it. When the dredging is completed, the user pushes the sliding plate to the left again to return the sliding plate to its original position. Due to the conical shape of the top cone, when squeezed by the inner cavity of the sieve plate, it will shrink until it returns to its original position, and align the arc groove with the inner cavity of the sieve plate, thereby achieving the effect of facilitating the cleaning of the inner cavity of the sieve plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings:

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a cross-sectional view of the utility model;

[0017] Figure 3 It is a partial enlarged view of the utility model;

[0018] Figure 4 This is a schematic diagram of the top cone structure of the utility model;

[0019] Figure 5 This is a schematic diagram of the installation framework structure of the utility model;

[0020] Figure 6 This is a schematic diagram of the screen plate structure of the utility model.

[0021] In the figure: 1. mounting frame; 101. screen plate; 2. sliding plate; 201. limiting column; 202. top cone; 203. spring; 204. arc groove; 205. baffle; 3. guide groove; 4. limiting groove; 5. groove; 6. fixing knob. DETAILED DESCRIPTION

[0022] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in combination with the accompanying drawings by way of examples.

[0023] It should be noted that many specific details are set forth in the following description to facilitate a full understanding of the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0024] In addition, in the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0025] In the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. However, if it is indicated as a direct connection, it means that the two connected bodies are not connected through an intermediate structure, but are connected to form a whole only through a connecting structure. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0026] In the present utility model, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0027] Embodiment 1

[0028] See also Figures 1 to 6The utility model provides a technical solution: a vibrating screen plate for a coal preparation machine, comprising a mounting frame 1, a screen plate 101 is mounted in the inner cavity of the mounting frame 1, a sliding plate 2 is mounted in the inner cavity of the mounting frame 1 below the screen plate 101, a plurality of limiting columns 201 are mounted in the inner cavity of the sliding plate 2, a top cone 202 is mounted on the top of the sliding plate 2 at one end of the limiting column 201, a spring 203 is mounted in the inner cavity of the sliding plate 2 at the other end of the limiting column 201, a plurality of arc grooves 204 are opened on the top of the sliding plate 2 outside the top cone 202, and a plurality of baffles 205 are mounted on the top of the sliding plate 2 outside the arc groove 204;

[0029] By providing the top cone 202, when it is necessary to dredge the inner cavity blocked by the sieve plate 101, the user first pulls the sliding plate 2 to the right to make the top cone 202 enter the inner cavity of the sieve plate 101. Due to the provision of the spring 203, when the top cone 202 enters the inner cavity of the sieve plate 101, the spring 203 extends to drive the limiting column 201 and the top cone 202 to move upward to dredge the inner cavity blocked by the sieve plate 101. When the dredging is completed, the user pushes the sliding plate 2 to the left again to return the sliding plate 2 to its original position. Since the top cone 202 is a cone shape, it will shrink when squeezed by the inner cavity of the sieve plate 101 until it returns to its original position and aligns the arc groove 204 with the inner cavity of the sieve plate 101, thereby achieving the effect of conveniently cleaning the inner cavity of the sieve plate 101.

[0030] By setting the limit column 201, the limit column 201 is mainly used to limit the upward travel of the top cone 202 and guide it;

[0031] By setting the baffle 205, when the sliding plate 2 is in place and the screen plate 101 is vibrating and screening, the baffle 205 can effectively prevent coal ash and smaller coal slag from entering the gap between the screen plate 101 and the sliding plate 2, and entering the inner cavity of the sliding plate 2, thereby affecting the stroke of the limit column 201, the top cone 202 and the spring 203. At the same time, the sliding plate 2 will also drive the baffle 205 to move during the movement.

[0032] Embodiment 2

[0033] On the basis of the first embodiment, a plurality of guide grooves 3 are provided at the bottom of the sieve plate 101 at one end of the top cone 202;

[0034] By setting the guide groove 3, the tip of the top cone 202 will be in the inner cavity of the guide groove 3 during the movement of the top cone 202, and the guide groove 3 can guide the top cone 202. At the same time, it can limit the tip of the top cone 202 when the top cone 202 moves, thereby preventing the top cone 202 from deflecting when sliding.

[0035] Embodiment 3

[0036] On the basis of the first embodiment, the opposite surfaces of the mounting frame 1 on both sides of the sliding plate 2 are provided with limiting grooves 4, and the two sides of the sliding plate 2 are movably connected with the inner cavity of the limiting grooves 4;

[0037] By providing the limiting groove 4 , the limiting groove 4 is mainly used to support the sliding plate 2 , and can also play a guiding role when the sliding plate 2 is pulled.

[0038] Embodiment 4

[0039] On the basis of the first embodiment, a groove 5 is provided on one side of the sliding plate 2;

[0040] By providing the groove 5 , when the sliding plate 2 needs to be pulled, the user can put his hand into the inner cavity of the groove 5 to facilitate pulling the sliding plate 2 .

[0041] Embodiment 5

[0042] On the basis of the first embodiment, a plurality of fixed knobs 6 are installed at the four corners of the top of the sieve plate 101 and on one side of the sliding plate 2 outside the groove 5, one end of each fixed knob 6 extends to the inner cavity of the mounting frame 1, and the surface of the fixed knob 6 is provided with anti-slip textures;

[0043] By setting a fixing knob 6, the fixing knob 6 on the top of the sieve plate 101 is unscrewed, and the sieve plate 101 can be further disassembled, and the fixing knob 6 on one side of the sliding plate 2 is mainly used to fix the sliding plate 2 to prevent the sliding plate 2 from sliding during vibration, so that the coal powder and smaller coal slag cannot fall into the bottom of the coal separator. When the sliding plate 2 needs to be pulled, the fixing knob 6 on one side of the sliding plate 2 needs to be removed, and the sliding plate 2 can be pulled at this time;

[0044] By providing anti-skid patterns on the surface of the fixed knob 6 , the anti-skid patterns can play an anti-skid role when the fixed knob 6 is rotated.

[0045] Embodiment 6

[0046] On the basis of the first embodiment, the positions of the top cone 202 and the arc groove 204 correspond to the positions of the inner cavity of the sieve plate 101, and the width of the opposite surface of the baffle 205 and the width of the arc groove 204 are equal to the diameter of the inner cavity of the sieve plate 101;

[0047] The position of the top cone 202 corresponds to the position of the inner cavity of the sieve plate 101. When the sliding plate 2 is pulled backward, the top cone 202 will enter each hole in the inner cavity of the sieve plate 101 to continue to dredge the blocked holes.

[0048] The position of the arc groove 204 corresponds to the position of the inner cavity of the sieve plate 101. During the normal coal preparation process, the coal powder and smaller coal slag will first pass through the inner cavity of the sieve plate 101, and then fall into the bottom of the coal preparation machine through the inner cavity of the arc groove 204 for storage;

[0049] The width of the opposite surface of the baffle 205 and the width of the arc groove 204 are equal to the diameter of the inner cavity of the sieve plate 101. When the coal powder and smaller coal cinders fall through the inner cavity of the sieve holes of the sieve plate 202, the width between the baffle 205 and the arc groove 204 is the same as the inner cavity diameter of the sieve holes of the sieve plate 101. Therefore, the baffle 205 and the arc groove 204 can avoid affecting the falling of the coal powder and smaller coal cinders.

[0050] Embodiment 6

[0051] On the basis of the fifth embodiment, the connection mode between the mounting frame 1 and the sliding plate 2 is a movable connection, the connection mode between the sliding plate 2 and the limiting column 201 is a movable connection, the connection mode between the limiting column 201 and the top cone 202 is a fixed connection, the connection mode between the baffle 205 and the sliding plate 2 is a fixed connection, and the connection mode between the fixed knob 6 and the sieve plate 101 and the sliding plate 2 is a threaded connection;

[0052] The mounting frame 1 and the sliding plate 2 are connected in a movable manner, so that the sliding plate 2 can move in the inner cavity of the mounting frame 1;

[0053] The connection between the sliding plate 2 and the limiting column 201 is a movable connection, and the limiting column 201 can move up and down in the inner cavity of the sliding plate 2;

[0054] The connection between the limiting column 201 and the top cone 202 is a fixed connection, and the upper and lower movements of the limiting column 201 can drive the top cone 202 to move;

[0055] The baffle plate 205 is connected to the sliding plate 2 in a fixed manner, and the movement of the sliding plate 2 can drive the baffle plate 205 to move;

[0056] The connection between the fixed knob 6 and the sieve plate 101 and the sliding plate 2 is a threaded connection. The fixed knob 6 can be unscrewed by rotating it counterclockwise, and the baffle 205 and the sliding plate 2 can be fixed and limited by rotating the fixed knob 6 clockwise.

[0057] When the utility model is in use, when it is necessary to dredge the inner cavity blocked by the sieve plate 101, first remove the fixed knob 6 on one side of the sliding plate 2, then the user extends his hand into the inner cavity of the groove 5, and pulls the sliding plate 2 to the right, so that the top cone 202 enters the inner cavity of the sieve plate 101. Due to the provision of the spring 203, when the top cone 202 enters the inner cavity of the sieve plate 101, the spring 203 extends to drive the limit column 201 and the top cone 202 to move upward, so as to dredge the inner cavity blocked by the sieve plate 101. When the dredging is completed, the user pushes the sliding plate 2 to the left again to return the sliding plate 2 to its original position. Since the top cone 202 is in a conical shape, it will shrink when squeezed by the inner cavity of the sieve plate 101 until it returns to its original position, and aligns the arc groove 204 with the inner cavity of the sieve plate 101.

[0058] A person skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. In line with the concept of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the above aspects of the present invention, which are not provided in detail for the sake of simplicity.

[0059] The utility model is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the scope of protection of the utility model.

Claims

1. A vibrating screen plate for a coal preparation machine, comprising a mounting frame (1), wherein a screen plate (101) is mounted in an inner cavity of the mounting frame (1), characterized in that: A sliding plate (2) is installed in the inner cavity of the mounting frame (1) below the sieve plate (101), a plurality of limiting columns (201) are installed in the inner cavity of the sliding plate (2), a top cone (202) is installed at the top end of the sliding plate (2) at one end of the limiting column (201), a spring (203) is installed in the inner cavity of the sliding plate (2) at the other end of the limiting column (201), a plurality of circular arc grooves (204) are opened at the top end of the sliding plate (2) outside the top cone (202), and a plurality of baffles (205) are installed at the top end of the sliding plate (2) outside the circular arc grooves (204).

2. The vibrating screen plate for a coal preparation machine according to claim 1, characterized in that: A plurality of guide grooves (3) are provided at the bottom end of the screen plate (101) at one end of the top cone (202).

3. The vibrating screen plate for a coal preparation machine according to claim 1, characterized in that: The opposite surfaces of the mounting frames (1) on both sides of the sliding plate (2) are provided with limiting grooves (4), and the two sides of the sliding plate (2) are movably connected to the inner cavity of the limiting grooves (4).

4. The vibrating screen plate for a coal preparation machine according to claim 1, characterized in that: A groove (5) is provided on one side of the sliding plate (2).

5. The vibrating screen plate for coal preparation machine according to claim 1, characterized in that: A plurality of fixed knobs (6) are installed at the four corners of the top of the sieve plate (101) and on one side of the sliding plate (2) outside the groove (5), one end of each of the fixed knobs (6) extends to the inner cavity of the mounting frame (1), and the surface of the fixed knobs (6) is provided with anti-slip patterns.

6. The vibrating screen plate for a coal preparation machine according to claim 1, characterized in that: The positions of the top cone (202) and the arc groove (204) both correspond to the positions of the inner cavity of the sieve plate (101), and the width of the opposite surface of the baffle plate (205) and the width of the arc groove (204) are equal to the diameter of the inner cavity of the sieve plate (101).

7. The vibrating screen plate for a coal preparation machine according to claim 5, characterized in that: The connection mode between the mounting frame (1) and the sliding plate (2) is a movable connection, the connection mode between the sliding plate (2) and the limiting column (201) is a movable connection, the connection mode between the limiting column (201) and the top cone (202) is a fixed connection, the connection mode between the baffle plate (205) and the sliding plate (2) is a fixed connection, and the connection mode between the fixed knob (6) and the screen plate (101) and the sliding plate (2) is a threaded connection.

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