Raw coal crushing and granularity control device

Abstract

The utility model relates to the technical field of raw coal crushing, in particular to a raw coal crushing and granularity control device which comprises a collecting vehicle, a screen frame, a box body, bearings and an air cylinder, fixing rods are fixedly installed on inner rings of the two sets of bearings respectively, and crushing rollers are installed at the ends, in the box body, of the two sets of fixing rods respectively. A motor is installed at the front end of the box body, a discharging pipe is installed in the middle of the bottom of the box body in an embedded mode, supporting plates are welded to the two sides of the bottom of the box body correspondingly, first sliding grooves are formed in the opposite sides of the two supporting plates correspondingly, and first sliding blocks are installed on the two sides of the collecting vehicle correspondingly; and second sliding grooves are formed in the opposite sides, above the two first sliding grooves, of the two supporting plates correspondingly, second sliding blocks are installed on the two sides of the screen frame correspondingly, a fixing frame is welded to the position, below the motor, of the front end of the box body, and an air cylinder is installed at the bottom of the fixing frame. The discharging device has the advantage that crushed coal briquettes can be screened, classified and collected during discharging.

Description

Technical Field

[0001] The utility model relates to the technical field of raw coal crushing, in particular to a raw coal crushing and particle size control device. Background Art

[0002] Raw coal crushing refers to the process of mechanically crushing natural unprocessed coal mined from mines into smaller particles or block materials. This process is usually carried out in coal mines or coal preparation plants for the convenience of subsequent processing, transportation and utilization. In the coal crushing process, commonly used equipment includes crushers and grinding mills.

[0003] When raw coal is crushed, due to various factors, such as the nature of the coal itself, the type of crushing equipment and the operating method, the particle size is often inconsistent during the processing process. This inconsistency may affect subsequent transportation, storage and utilization. It is difficult for workers to screen the coal blocks mixed together after crushing, and the efficiency of screening and classification is also low. Utility Model Content

[0004] The utility model aims to provide a raw coal crushing and particle size control device, which has the advantages of screening and classifying the crushed coal blocks when discharging, and solves the problem that coal blocks with inconsistent volumes are inconvenient to classify when the raw coal is crushed.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a raw coal crushing and particle size control device, comprising a collecting vehicle, a screen frame, a box body and a cylinder, bearings are respectively embedded and installed on both sides of the front and rear sides of the box body, two groups of the inner rings of the bearings are respectively fixedly installed with fixing rods, and crushing rollers are respectively installed at one end of the two groups of the fixing rods inside the box body, a motor is installed at the front end of the box body, a discharge pipe is embedded and installed in the middle of the bottom of the box body, support plates are respectively welded on both sides of the bottom of the box body, and slide grooves are respectively opened on the opposite sides of the two support plates, sliders are respectively installed on both sides of the collecting vehicle, and slide grooves are respectively opened on the opposite sides of the two support plates above the two slide grooves, sliders are respectively installed on both sides of the screen frame, a fixed frame is welded on the front end of the box body below the motor, and a cylinder is installed at the bottom of the fixed frame.

[0006] When using a raw coal crushing and particle size control device in the technical solution, the coal blocks enter the box through the feed pipe, the motor drives the fixed rod to rotate through the transmission structure, the fixed rod drives the crushing roller to rotate, the two crushing rollers rotate in relative directions, the two crushing rollers squeeze and crush the coal blocks, the crushed coal blocks in the box enter the discharge pipe along the guide plate, the coal blocks are discharged from the discharge pipe, the crushed coal blocks fall into the screen frame, the cylinder drives the screen frame to move back and forth, the screen frame screens the coal blocks, the screen frame intercepts larger coal blocks, and smaller coal blocks fall into the collection vehicle below.

[0007] Preferably, a feed pipe is embedded in the top of the box body, and the feed pipe is connected with the inside of the box body. The coal blocks enter the inside of the box body through the feed pipe.

[0008] Preferably, the motor transmission structure is fixedly connected to the fixed rod, and the two crushing rollers are meshed and connected. The motor drives the fixed rod to rotate through the transmission structure, and the fixed rod drives the crushing roller to rotate, and the two crushing rollers rotate in relative directions.

[0009] Preferably, guide plates are installed on both sides of the bottom of the box above the discharge pipe, and the two guide plates correspond to the discharge pipe. The coal blocks crushed inside the box follow the guide plates into the discharge pipe, and the coal blocks are discharged from the discharge pipe.

[0010] Preferably, the two sliders 2 are slidably connected to the two chute 2s respectively, and the cylinder is fixedly connected to the front end of the screen frame. The screen frame is movably connected to the support plate through the sliders 2 and the chute 2, and the cylinder can drive the screen frame to move forward and backward.

[0011] Preferably, the two sliders 1 are respectively slidably connected to the two slide grooves 1. The collection vehicle is movably connected to the support plate through the slider 1 and the slide groove 1.

[0012] Preferably, the two support plates are perpendicular to the bottom of the box body. The support plates provide support force to the box body.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model is provided with a cylinder, a drying rack and a collecting vehicle; the collecting vehicle is movably connected to a supporting plate through a slider 1 and a slide slot 1; the screen frame is movably connected to the supporting plate through a slider 2 and a slide slot 2; the coal blocks crushed inside the box body enter the inside of a discharge pipe along a guide plate; the coal blocks are discharged from the discharge pipe; the crushed coal blocks fall into the screen frame; the cylinder drives the screen frame to move back and forth; the screen frame screens the coal blocks; the screen frame intercepts larger coal blocks; smaller coal blocks fall into the collecting vehicle below, thereby achieving the effect of screening and classifying the crushed coal blocks when discharging. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1This is a schematic diagram of the three-dimensional structure of the utility model from a first angle;

[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from a second angle;

[0017] Figure 3 This is a schematic diagram of the cross-sectional structure of the box body of the utility model;

[0018] Figure 4 This is a schematic diagram of the support plate, collection vehicle and screen frame structure of the utility model.

[0019] In the figure: 1. support plate; 2. collection vehicle; 3. screen frame; 4. box body; 5. feed pipe; 6. bearing; 7. fixing rod; 8. discharge pipe; 9. motor; 10. fixing frame; 11. cylinder; 12. crushing roller; 13. guide plate; 14. chute 1; 15. slider 1; 16. chute 2; 17. slider 2. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0022] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general scale, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0023] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0024] Embodiment 1

[0025] like Figure 1-Figure 4As shown, a raw coal crushing and particle size control device proposed by the utility model comprises a collecting vehicle 2, a screen frame 3, a box body 4 and a cylinder 11, bearings 6 are respectively embedded and installed on both sides of the front and rear sides of the box body 4, and fixed rods 7 are respectively fixedly installed on the inner rings of the two groups of bearings 6, and crushing rollers 12 are respectively installed at one end of the two groups of fixed rods 7 inside the box body 4, a motor 9 is installed at the front end of the box body 4, and the transmission structure of the motor 9 is fixedly connected to the fixed rod 7, and the two crushing rollers 12 are meshed and connected, a feed pipe 5 is embedded and installed on the top of the box body 4, and the feed pipe 5 is communicated with the inside of the box body 4, and a discharge pipe 8 is embedded and installed in the middle of the bottom of the box body 4, and guide rods are respectively installed on both sides of the bottom end of the box body 4 above the discharge pipe 8. Flow plate 13, two guide plates 13 correspond to the discharge pipe 8, support plates 1 are welded on both sides of the bottom of the box body 4, and slide grooves 14 are respectively opened on the opposite sides of the two support plates 1, and sliders 15 are respectively installed on both sides of the collection vehicle 2, and the two sliders 15 are respectively slidably connected with the two slide grooves 14, and slide grooves 16 are respectively opened on the opposite sides of the two support plates 1 above the two slide grooves 14, and sliders 17 are respectively installed on both sides of the screen frame 3, and the two sliders 17 are respectively slidably connected with the two slide grooves 16, and a fixed frame 10 is welded at the front end of the box body 4 below the motor 9, and a cylinder 11 is installed at the bottom of the fixed frame 10, and the cylinder 11 is fixedly connected to the front end of the screen frame 3.

[0026] In this embodiment, the coal blocks enter the box body 4 through the feed pipe 5, the motor 9 drives the fixed rod 7 to rotate through the transmission structure, the fixed rod 7 drives the crushing roller 12 to rotate, the two crushing rollers 12 rotate in relative directions, the two crushing rollers 12 squeeze and crush the coal blocks, the crushed coal blocks in the box body 4 enter the discharge pipe 8 along the guide plate 13, the coal blocks are discharged from the discharge pipe 8, the crushed coal blocks fall into the screen frame 3, the cylinder 11 drives the screen frame 3 to move back and forth, the screen frame 3 screens the coal blocks, the screen frame 3 intercepts the larger coal blocks, and the smaller coal blocks fall into the collection vehicle 2 below.

[0027] Embodiment 2

[0028] like Figure 1-Figure 4 As shown, the utility model proposes a raw coal crushing and particle size control device. Compared with the first embodiment, this embodiment also includes: a support plate 1 and a box body 4, and the two support plates 1 are perpendicular to the bottom of the box body 4.

[0029] In this embodiment, two support plates 1 provide support force to the box body 4 to maintain the stability of the box body 4.

[0030] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A raw coal crushing and particle size control device, comprising a collecting vehicle (2), a screen frame (3), a box (4) and a cylinder (11), characterized in that: Bearings (6) are respectively embedded and installed on both sides of the front and rear sides of the box body (4), and two groups of inner rings of the bearings (6) are respectively fixedly installed with fixing rods (7). Crushing rollers (12) are respectively installed at one end of the two groups of fixing rods (7) inside the box body (4). A motor (9) is installed at the front end of the box body (4), and a discharge pipe (8) is embedded and installed in the middle of the bottom of the box body (4). Support plates (1) are respectively welded on both sides of the bottom of the box body (4), and a slide groove (14) is respectively opened on the opposite sides of the two support plates (1). Slide blocks (15) are respectively installed on both sides of the collection vehicle (2), and slide grooves (16) are respectively opened on the opposite sides of the two support plates (1) above the two slide grooves (14). Slide blocks (17) are respectively installed on both sides of the screen frame (3). A fixed frame (10) is welded on the front end of the box body (4) below the motor (9), and a cylinder (11) is installed at the bottom of the fixed frame (10).

2. The raw coal crushing and particle size control device according to claim 1 is characterized in that: A feed pipe (5) is embedded in the top of the box body (4), and the feed pipe (5) is connected to the inside of the box body (4).

3. The raw coal crushing and particle size control device according to claim 1 is characterized in that: The transmission structure of the motor (9) is fixedly connected to the fixed rod (7), and the two crushing rollers (12) are meshingly connected.

4. The raw coal crushing and particle size control device according to claim 1 is characterized in that: Guide plates (13) are respectively installed on both sides of the bottom end of the box body (4) above the discharge pipe (8), and the two guide plates (13) correspond to the discharge pipe (8).

5. The raw coal crushing and particle size control device according to claim 1 is characterized in that: The two sliding blocks (17) are respectively slidably connected to the two sliding grooves (16), and the cylinder (11) is fixedly connected to the front end of the screen frame (3).

6. The raw coal crushing and particle size control device according to claim 1, characterized in that: The two sliding blocks (15) are respectively slidably connected to the two sliding grooves (14).

7. The raw coal crushing and particle size control device according to claim 1, characterized in that: The two support plates (1) are perpendicular to the bottom of the box body (4).

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