Coal washing desliming screen

Abstract

The utility model discloses a coal washing desliming screen, which belongs to the technical field of coal washing and comprises a coal washing desliming screen body and a cleaning component. The coal washing desliming screen body comprises a machine body and a screen body used for screening coal. The screen body is fixedly arranged in the machine body; the cleaning assembly is arranged on the machine body; the cleaning assembly comprises a fixing plate, a sliding groove, a servo motor, a lead screw, a sliding block and a cleaning brush. The fixed plate is fixedly arranged on the machine body; a sliding groove is formed in one side of the fixing plate; the servo motor is fixedly arranged on one side of the machine body through a motor base, and the output end of the servo motor penetrates through the fixing plate and extends into the sliding groove. The screw rod is fixedly connected with the output end of the servo motor; the sliding block is arranged on the screw rod in a sleeving manner; the coal washing desliming screen has the advantages that the coal washing desliming screen is simple and reasonable in structural design, the screen body can be comprehensively cleaned, and the coal washing desliming screen is high in practicality.

Description

Technical Field

[0001] The utility model belongs to the technical field of coal washing, in particular to a coal washing desludging screen. Background Art

[0002] Coal is mainly composed of elements such as carbon, hydrogen, oxygen, nitrogen, sulfur and phosphorus. The sum of carbon, hydrogen and oxygen accounts for more than 95% of organic matter. It is a very important energy source and an important raw material for the metallurgical and chemical industries. It is classified into lignite, bituminous coal, anthracite and semi-anthracite. Desliming screen is a screening method whose main purpose is to remove coal slime from coal or coal-water mixture.

[0003] At present, when using the desludging screen on the market, coal and water are poured into the desludging screen together, and the soil, water and coal are separated by the vibration of the vibration motor. In the process of coal washing, the coal needs to be screened according to its size. In the process of coal screening, it is easy to cause coal or soil to clog the screen. In order not to affect the screening effect of the screen, the screen needs to be cleaned. However, in the existing technology, most cleaning methods of the desludging screen cannot fully clean the screen, resulting in low screening efficiency of the desludging screen, thereby affecting the use effect of the desludging screen. For example, the Chinese utility model patent with publication number CN219942026U provides a coal washing production coal slime dewatering screen, including a fixed triangular plate, and the outer wall of the fixed triangular plate is fixedly connected to a screening mechanism. The utility model can screen coal through the screening mechanism. When in use, the peat is poured into the screening mechanism, and then the electric vibrator is started. Then the electric vibrator will drive the whole to vibrate, and then the mud and water will be shaken down, and the small coal will be retained on the second baffle and then discharged from the second inclined leakage plate.

[0004] Although the above device can screen the coal during the coal washing process, the cleaning method of the screen of the above device cannot clean the screen comprehensively, resulting in low screening efficiency of the desludging screen for coal washing, thereby affecting the use effect of the desludging screen. Utility Model Content

[0005] The purpose of the utility model is to provide a coal washing and desludging screen to solve the problems raised in the background technology.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a coal washing and desludging screen, comprising a coal washing and desludging screen body and a cleaning assembly; wherein, the coal washing and desludging screen body comprises a body and a screen body for coal screening; the screen body is fixedly arranged in the body; the cleaning assembly is arranged on the body; wherein, the cleaning assembly comprises a fixed plate, a sliding groove, a servo motor, a screw rod, a sliding block and a cleaning brush; the fixed plate is fixedly arranged on the body; a sliding groove is provided on one side of the fixed plate; the servo motor is fixedly arranged on one side of the body through a motor seat, and the output end of the servo motor extends through the fixed plate into the sliding groove; the screw rod is fixedly connected to the output end of the servo motor; the sliding block is sleeved on the screw rod; the cleaning brush is connected to the sliding block through a connecting assembly.

[0007] As a preferred embodiment, the sliding block is in sliding cooperation with the sliding groove, and the sliding block is threadedly connected to the lead screw.

[0008] As a preferred embodiment, the cleaning brush is in contact with the screen body.

[0009] As a preferred embodiment, the connecting assembly includes an external thread block A, a connecting rod, an external thread block B and an internal thread barrel; the external thread block A is fixed on the sliding block; the connecting rod is fixed on the cleaning brush; the external thread block B is fixed on one side of the connecting rod; wherein, the external thread block A and the external thread block B constitute a complete external thread structure; the internal thread barrel is sleeved on the connecting rod.

[0010] As a preferred embodiment, the internal threaded barrel is threadedly connected to the external threaded block A, and the internal threaded barrel is threadedly connected to the external threaded block B.

[0011] As a preferred embodiment, the connecting assembly further includes a positioning groove and a positioning block; a positioning groove is provided on the external thread block B; the positioning block is fixed on the external thread block A; wherein the positioning block is plugged into the positioning groove.

[0012] As a preferred embodiment, the positioning block is a T-shaped structure.

[0013] Compared with the prior art, the technical effects and advantages of this utility model are:

[0014] The coal washing and desliming screen is provided with a cleaning component. When in use, first, the coal washing and desliming screen body is started, and the coal to be screened and deslimed is placed on the screen body, so that the vibration motor on the coal washing and desliming screen body vibrates and screens the screen body until the coal screening and desliming are completed. When the screen body needs to be cleaned, the servo motor is started, and the servo motor output shaft drives the screw rod to rotate, so that the sliding block is threadedly connected to the screw rod, and the sliding block slides in the sliding groove, so that the cleaning brush moves on the screen body, so that the cleaning brush can clean the coal or soil blocked on the screen body. Compared with the existing technology, the structural design of the utility model is simple and reasonable, the screen body can be fully cleaned, and it is more practical.

[0015] The coal washing and desludging screen is provided with a connecting assembly. When the cleaning brush needs to be replaced, the internal threaded barrel is rotated to thread the internal threaded barrel with the external threaded block A and the external threaded block B until the internal threaded barrel is no longer connected to the external threaded block A and the external threaded block B. At this time, the cleaning brush is moved upward to move the external threaded block B upward, so that the positioning block slides upward in the positioning groove until the positioning block no longer contacts the positioning groove, thus completing the disassembly of the cleaning brush. During installation, the positioning block is inserted into the positioning groove until the top surface of the positioning block contacts the bottom wall of the positioning groove, and then the internal threaded barrel is rotated in the opposite direction to thread the internal threaded barrel with the external threaded block A and the external threaded block B until the inner wall of the internal threaded barrel contacts the side of the external threaded block B. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a cross-sectional view of the overall structure of the utility model;

[0019] Figure 3 This is a partial structural sectional view of the present invention;

[0020] Figure 4 For the utility model Figure 2 Enlarged schematic diagram of point A in the middle.

[0021] Description of reference numerals:

[0022] In the picture:

[0023] 1. Coal washing and desludging screen body; 2. Cleaning components; 3. Connecting components;

[0024] 101. Machine body; 102. Screen body;

[0025] 201, fixed plate; 202, sliding slot; 203, servo motor; 204, screw rod; 205, sliding block; 206, cleaning brush;

[0026] 301. External thread block A; 302. Connecting rod; 303. External thread block B; 304. Internal thread barrel; 305. Positioning groove; 306. Positioning block. DETAILED DESCRIPTION

[0027] In the following description, numerous specific details are provided to provide a more thorough understanding of the present invention. However, it will be apparent to those skilled in the art that the present invention can be practiced without one or more of these details. In other instances, certain technical features known in the art are not described to avoid confusion with the present invention.

[0028] Unless otherwise defined, the directions of up, down, left, right, front, back, inside and outside involved in this document are based on the directions of up, down, left, right, front, back, inside and outside shown in the figures of the present invention, and are explained here together.

[0029] The connection method can be bonding, welding, bolt connection, etc., which shall be based on actual needs.

[0030] See also Figures 1 to 4 As shown, this embodiment includes a coal washing and desliming screen body 1 and a cleaning assembly 2; wherein, the coal washing and desliming screen body 1 includes a body 101 and a screen body 102 for coal screening; the screen body 102 is fixedly arranged in the body 101;

[0031] The cleaning component 2 is arranged on the body 101; wherein, the cleaning component 2 includes a fixed plate 201, a sliding groove 202, a servo motor 203, a screw rod 204, a sliding block 205 and a cleaning brush 206; the fixed plate 201 is fixed on the body 101; a sliding groove 202 is opened on one side of the fixed plate 201; the servo motor 203 is fixed to one side of the body 101 through a motor seat, and the output end of the servo motor 203 passes through the fixed plate 201 and extends into the sliding groove 202; the screw rod 204 is fixedly connected to the output end of the servo motor 203; the sliding block 205 is sleeved on the screw rod 204; wherein, the sliding block 205 slides with the sliding groove 202; wherein, the sliding block 205 is threadedly connected to the screw rod 204; the cleaning brush 206 is connected to the sliding block 205 through the connecting component 3; wherein, the cleaning brush 206 is in contact with the screen body 102.

[0032] The utility model is provided with a cleaning component 2. When in use, first, the coal washing and desliming screen body 1 is started, and the coal to be screened and deslimed is placed on the screen body 102, so that the vibration motor on the coal washing and desliming screen body 1 vibrates and screens the screen body 102 until the coal screening and desliming are completed. When the screen body 102 needs to be cleaned, the servo motor 203 is started, so that the output shaft of the servo motor 203 drives the screw rod 204 to rotate, so that the sliding block 205 is threadedly connected to the screw rod 204, so that the sliding block 205 slides in the sliding groove 202, so that the cleaning brush 206 moves on the screen body 102, so that the cleaning brush 206 can clean the coal or soil blocked on the screen body 102. Compared with the prior art, the structural design of the utility model is simple and reasonable, the screen body 102 can be fully cleaned, and the practicability is strong.

[0033] As a preferred embodiment, the connecting assembly 3 includes an external thread block A301, a connecting rod 302, an external thread block B303, an internal thread barrel 304, a positioning groove 305 and a positioning block 306; the external thread block A301 is fixed on the sliding block 205; the connecting rod 302 is fixed on the cleaning brush 206; the external thread block B303 is fixed on one side of the connecting rod 302; wherein, the external thread block A301 and the external thread block B303 constitute a complete external thread structure; the internal thread barrel 304 is sleeved on the connecting rod 302; wherein, the internal thread barrel 304 is threadedly connected to the external thread block A301; wherein, The internal threaded barrel 304 is threadedly connected to the external threaded block B303; a positioning groove 305 is provided on the external threaded block B303; the positioning block 306 is fixed on the external threaded block A301; wherein, the positioning block 306 is plugged into the positioning groove 305; wherein, the positioning block 306 is a T-shaped structure; when the internal threaded barrel 304 contacts the cleaning brush 206, the internal threaded barrel 304 is no longer connected to the external threaded block A301 and the external threaded block B303; when the inner wall of the internal threaded barrel 304 contacts the side of the external threaded block B303, the internal threaded barrel 304 is threadedly connected to the external threaded block A301 and the external threaded block B303.

[0034] When the screwdriver bit 304 is unlocked, the screwdriver bit 304 is unlocked, and the screwdriver bit 304 is unlocked.

[0035] The coal washing and desliming screen body 1 and the servo motor 203 are both conventional instruments. Their working principles, sizes and models are irrelevant to the problems solved by this application, so they are not described in detail. The control method of the present invention is controlled by a controller. The control circuit of the controller can be implemented by simple programming by technicians in this field. The provision of power is also common knowledge in this field. In addition, the present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0036] How it works

[0037] When the coal washing and desliming screen is used, first, the coal washing and desliming screen body 1 is started, the coal to be screened and deslimed is placed on the screen body 102, and the vibration motor on the coal washing and desliming screen body 1 vibrates the screen body 102 to screen until the coal screening and desliming are completed;

[0038] When the screen body 102 needs to be cleaned, the servo motor 203 is started, so that the output shaft of the servo motor 203 drives the screw rod 204 to rotate, so that the sliding block 205 is threadedly connected with the screw rod 204, and the sliding block 205 slides in the sliding groove 202, so that the cleaning brush 206 moves on the screen body 102, so that the cleaning brush 206 can clean the coal or mud blocking the screen body 102;

[0039] When the cleaning brush 206 needs to be replaced, the internal threaded barrel 304 is rotated so that the internal threaded barrel 304 is threadedly connected to the external threaded block A301 and the external threaded block B303 until the internal threaded barrel 304 is no longer connected to the external threaded block A301 and the external threaded block B303. At this time, the cleaning brush 206 is moved upward, so that the external threaded block B303 moves upward, and the positioning block 306 slides upward in the positioning groove 305 until the positioning block 306 is no longer in contact with the positioning groove 305, that is, the removal of the cleaning brush 206 is completed. During installation, the positioning block 306 is inserted into the positioning groove 305 until the top surface of the positioning block 306 contacts the inner bottom wall of the positioning groove 305, and then the internal threaded barrel 304 is rotated in the opposite direction so that the internal threaded barrel 304 is threadedly connected to the external threaded block A301 and the external threaded block B303 until the inner wall of the internal threaded barrel 304 contacts the side of the external threaded block B303.

[0040] It should be noted that, in this article, relational terms such as one and two are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "including an element defined by ... does not exclude the presence of other identical elements in the process, method, article or device that includes the element."

[0041] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A coal washing and desludging screen, characterized in that: include: Coal washing and desludging screen body (1); The coal washing and desludging screen body (1) comprises a body (101) and a screen body (102) for coal screening; the screen body (102) is fixedly arranged in the body (101); A cleaning component (2) is arranged on the machine body (101); The cleaning assembly (2) comprises a fixed plate (201), a sliding groove (202), a servo motor (203), a screw rod (204), a sliding block (205) and a cleaning brush (206); the fixed plate (201) is fixed on the machine body (101); a sliding groove (202) is provided on one side of the fixed plate (201); the servo motor (203) is fixed on one side of the machine body (101) through a motor seat, and the output end of the servo motor (203) passes through the fixed plate (201) and extends into the sliding groove (202); the screw rod (204) is fixedly connected to the output end of the servo motor (203); the sliding block (205) is sleeved on the screw rod (204); and the cleaning brush (206) is connected to the sliding block (205) through a connecting assembly (3); The connection component (3) comprises: The external thread block A (301) is fixed on the sliding block (205); A connecting rod (302) is fixed on the cleaning brush (206); An external thread block B (303) is fixedly mounted on one side of the connecting rod (302); Wherein, the external thread block A (301) and the external thread block B (303) form a complete external thread structure; An internal threaded cylinder (304) is sleeved on the connecting rod (302); The internal threaded barrel (304) is threadedly connected to the external threaded block A (301), and the internal threaded barrel (304) is threadedly connected to the external threaded block B (303); The connection component (3) further comprises: The external thread block B (303) is provided with a positioning groove (305); A positioning block (306) is fixed on the external thread block A (301); Wherein, the positioning block (306) is plug-fitted into the positioning groove (305); The positioning block (306) is a T-shaped structure.

2. A coal washing and desludging screen according to claim 1, characterized in that: The sliding block (205) is in sliding engagement with the sliding groove (202), and the sliding block (205) is threadedly connected to the screw rod (204).

3. A coal washing and desludging screen according to claim 1, characterized in that: The cleaning brush (206) is in contact with the screen body (102).

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