Screening equipment for coal gangue matrix processing

Abstract

The utility model discloses screening equipment for coal gangue matrix processing, and relates to the technical field of coal gangue processing, the upper half part of a box body of a crushing box is symmetrically and rotatably connected with two groups of first crushing rollers, and the lower half part of the box body of the crushing box is symmetrically and rotatably connected with two groups of second crushing rollers; and an eccentric vibration mechanism for supporting the first sieve plate, the second sieve plate and the third sieve plate is arranged on one side of a box body of the screening box. Based on linkage operation of the two transmission belts, on one hand, two sets of crushing rollers are driven to synchronously operate in a combined mode, double crushing procedures are conducted on coal gangue matrixes, and the crushing quality is improved, and on the other hand, an eccentric vibration mechanism is driven to synchronously operate, and three sets of sieve plates are pushed to mechanically vibrate. And the crushed coal gangue matrix is subjected to a vibration screening process in a mechanical autonomous form, so that the integrated linkage performance is better, the screening efficiency is higher, the problem of blockage caused by accumulation during screening can be effectively avoided, and the screening stability and continuity are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of coal gangue processing especially relates to a screening equipment for coal gangue substrate processing. BACKGROUND

[0002] The role of coal gangue substrate mainly reflects in many aspects, including preparing calcined kaolin, power generation, preparing aluminum chemical products, preparing silicon products, preparing concrete aggregate, preparing foam concrete, preparing cement clinker and the like, and before the utilization of coal gangue substrate, usually need to utilize screening equipment to carry out crushing screening treatment to it to better adapt to the demand of different industries, such as the coal gangue substrate processing screening device (disclosed publication number CN218590661U) shown in Chinese patent network, the device utilizes the crushing roller on the installation shell upper end to carry out the crushing of coal gangue, and then utilizes the combination of two groups of screening plates and guide plates in the screening assembly to carry out multiple classification screening treatment procedures to the crushed coal gangue.

[0003] However, the coal gangue substrate screening equipment adopted by the above-mentioned disclosed patent and existing market still has some deficiencies: the existing screening assembly in fixed form carries out multi-stage screening to the crushed coal gangue, and the self-screening performance is poor, the screening efficiency of coal gangue substrate is not high enough, and the accumulation and blockage are prone to occur, causing screening downtime. Therefore, the technical personnel in the art provide a screening equipment for coal gangue substrate processing to solve the problems in the above background art. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a screening equipment for coal gangue substrate processing, which solves the problem of low screening efficiency of the existing coal gangue substrate screening equipment in the above background art.

[0005] To achieve the above purpose, the utility model is realized by the following technical scheme: a screening equipment for coal gangue substrate processing, comprising a crushing box;

[0006] The hopper is installed on the upper end of the box body of the crushing box in a conductive manner, and the screening box is installed at the bottom end of the box body of the crushing box in a conductive manner;

[0007] The upper half of the box body of the crushing box is symmetrically connected with two groups of first crushing rollers in a rotating manner, and the lower half of the box body of the crushing box is symmetrically connected with two groups of second crushing rollers in a rotating manner;

[0008] The first screen plate, the second screen plate and the third screen plate are arranged in the box body of the screening box from top to bottom, and the eccentric vibration mechanism for supporting the first screen plate, the second screen plate and the third screen plate is arranged on one side of the box body of the screening box;

[0009] The eccentric vibration mechanism comprises three groups of eccentric shafts arranged on the crushing box along the direction of the first sieve plate, the second sieve plate and the third sieve plate bottom plate, and an eccentric wheel is arranged outside the shaft rod of each group of eccentric shafts.

[0010] As a further technical scheme of the present application, the first crushing roller and the second crushing roller are connected by a first transmission belt, and the second crushing roller and the eccentric shaft are connected by a second transmission belt.

[0011] As a further technical scheme of the present application, the shaft rod of the first crushing roller is provided with a first meshing gear, and the shaft rod of the second crushing roller is provided with a second meshing gear.

[0012] As a further technical scheme of the present application, the shaft rod of the eccentric shaft is provided with a transmission gear, and the transmission gears adjacent to each other are connected by a synchronous gear.

[0013] As a further technical scheme of the present application, the first sieve plate, the second sieve plate and the third sieve plate are provided with arm force crossbars, and the crossbar of each arm force crossbar is provided with a vibration seat for supporting the first sieve plate, the second sieve plate and the third sieve plate.

[0014] As a further technical scheme of the present application, the first sieve plate and the second sieve plate are net plate structures, and the third sieve plate is a flat plate structure.

[0015] The coal gangue substrate processing screening device has the following advantages compared with the prior art.

[0016] The coal gangue substrate screening device is based on the linkage operation of the two groups of transmission belts, which drives the synchronous operation of the two groups of crushing rollers, performs double crushing process on the coal gangue substrate, improves the crushing quality, drives the synchronous operation of the eccentric vibration mechanism, promotes the mechanical vibration of the three groups of sieve plates, and performs mechanical independent vibration screening process on the crushed coal gangue substrate. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a structural schematic view of a coal gangue substrate processing screening device.

[0018] Fig. 2 It is an installation schematic view of the two groups of crushing rollers in the coal gangue substrate processing screening device.

[0019] Fig. 3It is a kind of coal gangue matrix processing with screening equipment installation schematic diagram of three groups of sieve plate.

[0020] In the figure: 1, crushing box;2, hopper;3, screening box;4, first transmission belt;5, second transmission belt;6, first sieve plate;7, second sieve plate;8, third sieve plate;9, brake motor;10, first crushing roller;11, first pair of gear;12, second crushing roller;13, second pair of gear;14, arm strength crossbar;15, vibrating seat;16, eccentric shaft;17, eccentric wheel;18, transmission gear;19, synchronous gear. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0022] Please refer to Figs. 1-3 The utility model provides a kind of coal gangue matrix processing with screening equipment technical scheme: a kind of coal gangue matrix processing with screening equipment, including crushing box 1, the hopper 2 of box body upper end of crushing box 1 is installed with lead-through, and the box body bottom end of crushing box 1 is installed with screening box 3 and lead-through, first crushing roller 10 and second crushing roller 12 between upper and lower opposite are driven connection by first transmission belt 4, and second crushing roller 12 and eccentric shaft 16 are driven connection by second transmission belt 5, by controlling brake motor 9 as driving source, drive one group of first crushing roller 10 rotation, in turn, under the transfer of first transmission belt 4, drive second crushing roller 12 synchronous rotation, and second crushing roller 12 rotates simultaneously, under the transfer of second transmission belt 5, drive eccentric shaft 16 synchronous rotation, drive corresponding component linkage operation, carry out crushing, screening process to coal gangue matrix.

[0023] The upper half of the box body of crushing box 1 is rotatably connected with two groups of first crushing rollers 10 in a symmetrical manner, and the lower half of the box body of crushing box 1 is rotatably connected with two groups of second crushing rollers 12 in a symmetrical manner, the shaft rod one end of the two groups of first crushing rollers 10 is provided with first pair of gear 11 that meshes with each other, the shaft rod one end of the two groups of second crushing rollers 12 is provided with second pair of gear 13 that meshes with each other, the two groups of first crushing rollers 10 keep symmetrical rotation under the meshing transmission of first pair of gear 11, carry out preliminary roller crushing process to coal gangue matrix, and then the two groups of second crushing rollers 12 keep symmetrical rotation under the meshing transmission of second pair of gear 13, carry out again roller crushing process to coal gangue matrix, to ensure the efficiency of coal gangue matrix crushing quality.

[0024] The eccentric vibrating mechanism of the top supporting first sieve plate 6, the second sieve plate 7 and the third sieve plate 8 is arranged on one side of the box body of the screening box 3, and comprises three groups of eccentric shafts 16 arranged on the crushing box 1 in the direction of the bottom plates of the first sieve plate 6, the second sieve plate 7 and the third sieve plate 8, the outer side of the shaft rod of each group of eccentric shafts 16 is provided with an eccentric wheel 17, the shaft rod of the three groups of eccentric shafts 16 is provided with a transmission gear 18 at one end, the transmission gears 18 of the upper and lower adjacent two groups are meshed and driven through a synchronous gear 19, the three groups of eccentric shafts 16 keep synchronous rotation under the transmission combination of the transmission gears 18 and the synchronous gear 19, then the rotation of the eccentric shaft 16 drives the corresponding eccentric wheel 17 to rotate, the first sieve plate 6, the second sieve plate 7 and the third sieve plate 8 are cyclically top supported and mechanically vibrated, the coal gangue matrix on the three groups of sieve plates is subjected to a vibrating screening process, the screening efficiency is improved, and the plugging problem caused by accumulation in the screening process can be avoided.

[0025] The first sieve plate 6, the second sieve plate 7 and the third sieve plate 8 are sequentially arranged in the box body of the screening box 3 from top to bottom, the bottom plates of the first sieve plate 6, the second sieve plate 7 and the third sieve plate 8 are provided with arm force cross bars 14, the upper end of the cross bar of each group of arm force cross bars 14 is provided with a vibrating seat 15 for top supporting the first sieve plate 6, the second sieve plate 7 and the third sieve plate 8, the first sieve plate 6 and the second sieve plate 7 are net plate structures, and the third sieve plate 8 is a flat plate structure, the three groups of sieve plates are sequentially elastically top supported through the elastic support of the vibrating seats 15, then the first sieve plate 6, the second sieve plate 7 and the third sieve plate 8 are elastically vibrated under the eccentric top support of the eccentric vibrating mechanism, different sizes of coal gangue matrix are sequentially screened through the combination of the first sieve plate 6 and the second sieve plate 7, and the small coal gangue matrix after the final screening is supported and discharged through the third sieve plate 8, and the multi-stage screening process of the coal gangue matrix is completed.

[0026] The working principle of the utility model is as follows: when the screening device is used for the screening process of the coal gangue matrix, the coal gangue raw material to be screened is poured into the hopper 2, then the brake motor 9 is controlled as a driving source, and the combination of the first transmission belt 4 and the second transmission belt 5 drives the combined linkage operation of the crushing roller and the sieve plate, so that the coal gangue matrix is subjected to the integrated processing process of crushing and screening.

[0027] Then the combination of the first crushing roller 10 and the second crushing roller 12 is driven to synchronously operate under the transmission of the first transmission belt 4, the two groups of first crushing rollers 10 keep symmetrical rotation under the meshing transmission of the first pair of gear wheels 11, the falling coal gangue matrix is subjected to the preliminary roller crushing process, then the two groups of second crushing rollers 12 keep symmetrical rotation under the meshing transmission of the second pair of gear wheels 13, the coal gangue matrix is subjected to the re-roller crushing process, and the crushed coal gangue matrix falls into the screening box 3 for screening work.

[0028] Further, under the drive of the second transmission belt 5, the eccentric shafts 16 therein are driven to rotate, and under the drive combination of the transmission gears 18 and the synchronization gears 19, the three sets of eccentric shafts 16 are driven to rotate synchronously, pushing the corresponding eccentric wheels 17 to rotate, cyclically supporting the first screen plate 6, the second screen plate 7 and the third screen plate 8, and pushing the three sets of screen plates to mechanically vibrate, thereby performing a vibrating screening process on the coal gangue matrix on the three sets of screen plates, using the screen plate combination of the first screen plate 6 and the second screen plate 7 to screen the coal gangue matrix of different sizes in turn, and using the third screen plate 8 with a flat plate structure to support and unload the small-particle coal gangue matrix after the final screening, thereby completing the multi-stage screening process of the coal gangue matrix, which is more efficient in screening efficiency and better in screening continuity.

[0029] The above only describes the preferred embodiments of the present application, and it should be noted that those skilled in the art can make some improvements and refinements without departing from the principles of the present application, and these improvements and refinements should also be considered as the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application are implemented according to the conventional means in the art, unless otherwise specified and limited.

Claims

1. A screening device for processing coal gangue matrix, characterized in that: including a crushing box (1); The upper end of the crushing box (1) is connected to a hopper (2), and the lower end of the crushing box (1) is connected to a screening box (3). The upper half of the pulverizing box (1) is symmetrically connected to two sets of first pulverizing rollers (10) for rotation, and the lower half of the pulverizing box (1) is symmetrically connected to two sets of second pulverizing rollers (12) for rotation; The inside of the screening box (3) is provided with a first screen plate (6), a second screen plate (7), and a third screen plate (8) in sequence from top to bottom, and an eccentric vibration mechanism for supporting the first screen plate (6), the second screen plate (7), and the third screen plate (8) is provided on one side of the screening box (3); The eccentric vibration mechanism comprises three groups of eccentric shafts (16) arranged on the crushing box (1) along the bottom plate direction of the first sieve plate (6), the second sieve plate (7), and the third sieve plate (8), and an eccentric wheel (17) is arranged on the outer side of the shaft of each group of eccentric shafts (16).

2. A screening device for processing coal gangue matrix according to claim 1, characterized in that: The first crushing roller (10) and the second crushing roller (12) which are opposite to each other are connected to each other via a first transmission belt (4), and the second crushing roller (12) and the eccentric shaft (16) are connected to each other via a second transmission belt (5).

3. The screening equipment for gangue matrix processing according to claim 1, characterized in that: One end of the shafts of the two sets of the first crushing rollers (10) is provided with first meshing gears (11) that mesh with each other, and one end of the shafts of the two sets of the second crushing rollers (12) is provided with second meshing gears (13) that mesh with each other.

4. The screening device for processing coal gangue matrix according to claim 1, characterized in that: One end of the shaft of each of the three groups of eccentric shafts (16) is provided with a transmission gear (18), and two upper and lower adjacent groups of transmission gears (18) are meshed and transmitted via a synchronous gear (19).

5. The screening equipment for gangue matrix processing according to claim 1, characterized in that: Both sides of the bottom plates of the first sieve plate (6), the second sieve plate (7), and the third sieve plate (8) are provided with arm force cross bars (14), and the upper ends of the cross bars of each set of arm force cross bars (14) are provided with vibration seats (15) for supporting the first sieve plate (6), the second sieve plate (7), and the third sieve plate (8).

6. The screening equipment for gangue matrix processing according to claim 1, characterized in that: The first sieve plate (6) and the second sieve plate (7) are mesh plate structures, and the third sieve plate (8) is a flat plate structure.

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