Coal washing separation vibrating screen

Abstract

The utility model discloses a coal washing separation vibrating screen, which belongs to the technical field of coal processing and comprises a fixing frame, a vibrating structure is arranged in the fixing frame, a shell is arranged at the upper end of the vibrating structure, a screen plate is arranged in the shell, a cleaning component is arranged on the surface of the screen plate, and a collecting port is arranged in the shell and corresponds to the screen plate. The cleaning assembly is arranged, two sets of electric telescopic rods are started, a first cleaning plate and a second cleaning plate are pushed to move respectively, a cleaning brush and a scraping plate can clean the surface of a sieve plate and the surface of a bottom plate of the shell respectively, wet coal attached to the surface of the sieve plate and the surface of the bottom plate of the shell is removed, and the good cleaning effect is achieved; the supporting assembly is arranged, the transverse plate is installed in the fixing frame, the elastic supporting rod at the upper end of the transverse plate is matched with the supporting plate to support the shell, elastic lifting can be conducted along with vibration of the shell, the good supporting effect is achieved, and the structure of the shell is more stable.

Description

Technical Field

[0001] The utility model belongs to the technical field of coal processing, and in particular relates to a coal washing and sorting vibrating screen. Background Art

[0002] Coal washing is an indispensable process in coal deep processing. Coal mined directly from the mine is called raw coal. Raw coal is mixed with many impurities during the mining process, and the quality of coal is also different. Coal with low internal ash content and coal with high internal ash content are mixed together. Coal washing is an industrial process to remove impurities from raw coal or to classify high-quality coal and low-quality coal.

[0003] Chinese patent application No. 202223334101.1 discloses a coal washing and sorting vibrating screen, including a fixed frame; a housing is slidably connected to the upper part of the fixed frame, a driving motor is fixedly connected to the middle part of one side of the fixed frame by bolts, the motor shaft of the driving motor passes through the inner wall of one side of the fixed frame and is fixedly connected to the rotating rod, the rotating rod is rotatably connected to the inner wall of the other side of the fixed frame through a bearing, and the rotating rod horizontally passes through a cam and is fixedly connected to the cam. The utility model controls the operation of the driving motor, and can drive the cam to rotate through the rotating rod, further drive the screen plate in the housing to vibrate for screening operations, drive the flywheel to rotate through the rotating rod, and drive the push block to move up and down through the crank connecting rod, further drive the piston to move up and down in the piston cylinder, and can pump out the water in the water tank, and spray it out through the atomizing nozzle connected to the through pipe, and further automatically clean the dust generated during the coal mine screening process.

[0004] In the above-mentioned patent disclosure, 1. When coal is screened, water mist is used to reduce dust, which will make the coal moist and easily produce residues in the shell when discharging, which requires regular scraping and cleaning; 2. When the shell is lifted and vibrated, the structure may not be stable enough. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a coal washing and sorting vibrating screen, which has the characteristics of convenient cleaning and stable structure.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a coal washing and sorting vibrating screen, comprising a fixed frame, a vibration structure is arranged inside the fixed frame, a shell is arranged on the upper end of the vibration structure, a sieve plate is arranged inside the shell, a cleaning assembly is arranged on the surface of the sieve plate, a collecting port is arranged at a position corresponding to the sieve plate inside the shell, a supporting assembly is arranged at the lower end of the shell, a dust reduction structure is arranged on one side of the fixed frame, and a control panel is arranged at the lower end of the other side of the fixed frame.

[0007] Preferably, the cleaning assembly also includes an electric telescopic rod, a mounting plate, a second cleaning plate and a first cleaning plate, wherein two groups of mounting plates are arranged on the surface of the shell, the surface of the mounting plate is arranged with the electric telescopic rod, the surface of one group of the two groups of electric telescopic rods located at the upper end of the screen plate is arranged with the first cleaning plate, and the surface of the other group of the two groups of electric telescopic rods is arranged with the second cleaning plate.

[0008] Preferably, the cleaning assembly further comprises a cleaning brush and a scraper, wherein the lower end surface of the first cleaning plate is provided with a cleaning brush, and the lower end surface of the second cleaning plate is provided with a scraper.

[0009] Preferably, the surfaces of the second cleaning plate and the first cleaning plate are both provided with limiting structures, the limiting structures include limiting grooves and limiting sliders, wherein limiting sliders are provided on both sides of the upper ends of the second cleaning plate and the first cleaning plate, and limiting grooves are provided inside the shell at positions corresponding to the limiting sliders.

[0010] Preferably, the support assembly includes an elastic support rod, a cross plate, a support plate and a buffer pad, wherein a cross plate is provided at the lower end of the fixed frame, elastic support rods are provided on both sides of the upper end of the cross plate, a support plate is provided at the upper end of the elastic support rod, and a buffer pad is provided on the surface of the support plate.

[0011] Preferably, the elastic support rod comprises a sleeve, a strong spring and an inner rod, wherein the sleeve is arranged on the surface of the cross plate, the inner rod is arranged inside the sleeve, and the strong spring is arranged between the sleeve and the inner rod.

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

[0013] 1. The utility model is provided with a cleaning assembly, so that two sets of electric telescopic rods are started to push the first cleaning plate and the second cleaning plate to move respectively, so that the cleaning brush and the scraper can clean the surface of the screen plate and the bottom plate of the shell respectively, remove the wet coal contaminated on the surface, and achieve a good cleaning effect.

[0014] 2. The utility model is provided with a support assembly, so that a horizontal plate is installed in the fixing frame, and the elastic support rod at the upper end cooperates with the support plate to support the shell, and can be elastically lifted and lowered with the vibration of the shell, which has a good supporting effect and makes the shell structure more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

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

[0017] Figure 3 It is a cross-sectional view of the shell of the utility model;

[0018] Figure 4This is the front view of the support assembly of the utility model;

[0019] In the figure: 1. fixing frame; 2. vibration structure; 3. control panel; 4. dust reduction structure; 5. support assembly; 51. elastic support rod; 511. sleeve; 512. strong spring; 513. inner rod; 52. cross plate; 53. support plate; 54. buffer pad; 6. cleaning assembly; 61. cleaning brush; 62. electric telescopic rod; 63. mounting plate; 64. second cleaning plate; 65. scraper; 66. limiting structure; 661. limiting slide groove; 662. limiting slider; 67. first cleaning plate; 7. shell; 8. sieve plate; 9. collecting port. DETAILED DESCRIPTION

[0020] 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.

[0021] Example 1

[0022] See also Figure 1-4 The utility model provides the following technical solutions: a coal washing and sorting vibrating screen comprises a fixed frame 1, a vibration structure 2 is arranged inside the fixed frame 1, a shell 7 is arranged at the upper end of the vibration structure 2, a sieve plate 8 is arranged inside the shell 7, a cleaning component 6 is arranged on the surface of the sieve plate 8, a collecting port 9 is arranged at a position corresponding to the sieve plate 8 inside the shell 7, a supporting component 5 is arranged at the lower end of the shell 7, a dust reduction structure 4 is arranged on one side of the fixed frame 1, and a control panel 3 is arranged at the lower end of the other side of the fixed frame 1.

[0023] Specifically, the cleaning assembly 6 also includes an electric telescopic rod 62, a mounting plate 63, a second cleaning plate 64 and a first cleaning plate 67, wherein two groups of mounting plates 63 are provided on the surface of the housing 7, the surface of the mounting plate 63 is provided with the electric telescopic rod 62, one group of the two groups of electric telescopic rods 62 located at the upper end of the sieve plate 8 is provided with the first cleaning plate 67, and the other group of the two groups of electric telescopic rods 62 is provided with the second cleaning plate 64.

[0024] By adopting the above technical solution, the electric telescopic rod 62 on the surface of the mounting plate 63 is started, so that the first cleaning plate 67 and the second cleaning plate 64 are moved and cleaned on the surface of the sieve plate 8 and the bottom plate of the shell 7 respectively.

[0025] Specifically, the cleaning assembly 6 further includes a cleaning brush 61 and a scraper 65, wherein the cleaning brush 61 is disposed on the lower end surface of the first cleaning plate 67, and the scraper 65 is disposed on the lower end surface of the second cleaning plate 64.

[0026] By adopting the above technical solution, the cleaning brush 61 can scrub the screen plate 8, and the scraper 65 can scrape the bottom plate of the shell 7, so as to conveniently clean the wet and adhered residual coal.

[0027] Specifically, the second cleaning plate 64 and the first cleaning plate 67 are both provided with a limiting structure 66 on their surfaces, and the limiting structure 66 includes a limiting slide 661 and a limiting slider 662, wherein the limiting sliders 662 are provided on both sides of the upper ends of the second cleaning plate 64 and the first cleaning plate 67, and the limiting slide 661 is provided at a position corresponding to the limiting slider 662 inside the housing 7.

[0028] By adopting the above technical solution, the limiting slider 662 moves in the limiting slide groove 661, so that the limiting structure 66 can limit the first cleaning plate 67 and the second cleaning plate 64, making them more stable when moving.

[0029] When this embodiment is used, the coal to be cleaned and classified is placed inside the shell 7, and the vibration structure 2 in the fixed frame 1 is started to drive the shell 7 to vibrate linearly, so that the screen plate 8 can vibrate and sort the coal, and then discharge it separately through the collecting port 9. The dust reduction structure 4 can perform dust reduction treatment on the dust generated during screening. After the screening is completed, the electric telescopic rod 62 on the surface of the mounting plate 63 is started to make the first cleaning plate 67 and the second cleaning plate 64 move and clean on the surface of the screen plate 8 and the bottom plate of the shell 7 respectively. The cleaning brush 61 can brush the screen plate 8, and the scraper 65 can scrape the bottom plate of the shell 7, so as to conveniently clean the wet and adhered residual coal. The limiting slider 662 moves in the limiting slide groove 661, so that the limiting structure 66 can limit the first cleaning plate 67 and the second cleaning plate 64, making it more stable when moving.

[0030] Example 2

[0031] The present embodiment is different from the embodiment 1 in that the support assembly 5 includes an elastic support rod 51, a transverse plate 52, a support plate 53 and a buffer pad 54, wherein the lower end of the fixing frame 1 is provided with the transverse plate 52, the upper ends of the transverse plate 52 are provided with elastic support rods 51 on both sides, the upper ends of the elastic support rods 51 are provided with support plates 53, and the surfaces of the support plates 53 are provided with buffer pads 54.

[0032] By adopting the above technical solution, the elastic support rod 51 is installed on the surface of the horizontal plate 52, and the support plate 53 is in contact with the bottom plate of the shell 7. When the shell 7 moves, the elastic support rod 51 can synchronously extend and retract to achieve a good supporting effect, and the buffer pad 54 can achieve a buffering effect.

[0033] Specifically, the elastic support rod 51 includes a sleeve 511, a strong spring 512 and an inner rod 513, wherein the sleeve 511 is disposed on the surface of the horizontal plate 52, the inner rod 513 is disposed inside the sleeve 511, and the strong spring 512 is disposed between the sleeve 511 and the inner rod 513.

[0034] By adopting the above technical solution, a strong spring 512 is arranged between the sleeve 511 and the inner rod 513, so that the elastic support rod 51 can have a better elastic effect when the inner rod 513 moves, and the supporting and stabilizing effect on the shell 7 is better.

[0035] When this embodiment is in use, the elastic support rod 51 is installed on the surface of the horizontal plate 52, and the support plate 53 is in contact with the bottom plate of the shell 7. When the shell 7 moves, the elastic support rod 51 can be synchronously extended and retracted to achieve a good supporting effect. The buffer pad 54 can achieve a buffering effect. A strong spring 512 is arranged between the sleeve 511 and the inner rod 513, so that the elastic support rod 51 has a better elastic effect when the inner rod 513 moves, thereby achieving a better supporting and stabilizing effect on the shell 7.

[0036] The structures and working principles of the vibration structure 2 composed of a driving motor, a rotating rod and a cam and the dust reduction structure 4 composed of a flywheel, a piston cylinder, a piston, a piston rod, a push block, a crank connecting rod, a limit groove, a limit block, a water pump, a drain pipe, a through pipe, an atomizing nozzle, a one-way valve and a water tank in the utility model have been disclosed in a coal washing and sorting vibrating screen disclosed in Chinese patent application No. 202223334101.1. The working principle of the vibration structure 2 is that the driving motor drives the rotating rod to rotate, so that the cam rotates and drives the shell 7 to vibrate up and down. The working principle of the dust reduction structure 4 is that the rotating rod drives the flywheel to rotate, which can drive the push block to move up and down through the crank connecting rod, and further drive the piston to move up and down in the piston cylinder, so that the water in the water tank can be pumped out and sprayed out through the atomizing nozzle connected to the through pipe, so as to automatically clean the dust generated during the coal mine screening process.

[0037] The electric telescopic rod 62 in the utility model is an existing disclosed technology, and the selected model is YMD-501.

[0038] Working principle and use process of the utility model: when the utility model is used, the coal to be cleaned and classified is placed inside the shell 7, and the vibration structure 2 in the fixed frame 1 is started to drive the shell 7 to vibrate linearly, so that the screen plate 8 can vibrate and sort the coal, and then discharge it separately through the collection port 9, and the dust reduction structure 4 can perform dust reduction treatment on the dust generated during screening. After the screening is completed, the electric telescopic rod 62 on the surface of the mounting plate 63 is started, so that the first cleaning plate 67 and the second cleaning plate 64 are respectively moved on the surface of the screen plate 8 and the bottom plate of the shell 7 for cleaning, the cleaning brush 61 can brush the screen plate 8, and the scraper 65 can scrape the bottom plate of the shell 7, so as to facilitate The wet and sticky residual coal is cleaned, and the limiting slider 662 moves in the limiting slide groove 661, so that the limiting structure 66 can limit the first cleaning plate 67 and the second cleaning plate 64, making them more stable when moving; the elastic support rod 51 is installed on the surface of the cross plate 52, and the support plate 53 is in contact with the bottom plate of the shell 7. When the shell 7 moves, the elastic support rod 51 can be synchronously extended and retracted to achieve a good supporting effect, and the buffer pad 54 can achieve a buffering effect. A strong spring 512 is arranged between the sleeve 511 and the inner rod 513, so that the elastic support rod 51 has a better elastic effect when the inner rod 513 moves, and the supporting and stabilizing effect on the shell 7 is better.

[0039] 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 coal washing and sorting vibrating screen, comprising a fixed frame, characterized in that: A vibration structure is arranged inside the fixed frame, a shell is arranged at the upper end of the vibration structure, a sieve plate is arranged inside the shell, a cleaning component is arranged on the surface of the sieve plate, a collecting port is arranged at a position corresponding to the sieve plate inside the shell, a supporting component is arranged at the lower end of the shell, a dust reduction structure is arranged on one side of the fixed frame, and a control panel is arranged at the lower end of the other side of the fixed frame.

2. A coal washing and separation vibrating screen according to claim 1, characterized in that: The cleaning assembly also includes an electric telescopic rod, a mounting plate, a second cleaning plate and a first cleaning plate, wherein two groups of mounting plates are arranged on the surface of the shell, the surface of the mounting plate is arranged on the electric telescopic rod, the surface of one group of the two groups of electric telescopic rods located at the upper end of the screen plate is arranged on the first cleaning plate, and the surface of the other group of the two groups of electric telescopic rods is arranged on the second cleaning plate.

3. A coal washing and separation vibrating screen according to claim 2, characterized in that: The cleaning assembly also includes a cleaning brush and a scraper, wherein the lower end surface of the first cleaning plate is provided with a cleaning brush, and the lower end surface of the second cleaning plate is provided with a scraper.

4. A coal washing and separation vibrating screen according to claim 2, characterized in that: The surfaces of the second cleaning plate and the first cleaning plate are both provided with limiting structures, and the limiting structures include limiting slide grooves and limiting sliders, wherein limiting sliders are provided on both sides of the upper ends of the second cleaning plate and the first cleaning plate, and limiting slide grooves are provided inside the shell at positions corresponding to the limiting sliders.

5. The coal washing and separation vibrating screen according to claim 1, characterized in that: The support assembly includes an elastic support rod, a cross plate, a support plate and a buffer pad, wherein a cross plate is arranged at the lower end of the fixing frame, elastic support rods are arranged on both sides of the upper end of the cross plate, a support plate is arranged at the upper end of the elastic support rod, and a buffer pad is arranged on the surface of the support plate.

6. A coal washing and separation vibrating screen according to claim 5, characterized in that: The elastic support rod comprises a sleeve, a strong spring and an inner rod, wherein the sleeve is arranged on the surface of the transverse plate, the inner rod is arranged inside the sleeve, and the strong spring is arranged between the sleeve and the inner rod.

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