Automatic separation and collection device for light impurities in clean coal of coal jig

Abstract

The utility model discloses a kind of automatic separation and collection device of coal jigging machine clean coal light impurities, the utility model relates to coal jigging machine equipment technical field.It is the collection shell that is arranged on the end surface of mounting base, and the collection shell is located below the end of screening shell, the sidewall of the collection shell is fixed with mounting bracket, the inside of the mounting bracket is provided with the connecting bracket connected by lifting assembly, the utility model automatically adjusts cleaning brush shaft height by lifting assembly, cooperates motor drive brush shaft rotation and dust extraction pump negative pressure collection, realize light impurities from cleaning, peeling to the whole process automation of storage, without manual real-time operation, the rotation cleaning of cleaning brush shaft and the forced peeling of cleaning tooth form cooperation, both avoid light impurities to accumulate on the surface of collection shell, also prevent brush shaft from being failure due to impurities winding, while the negative pressure effect of dust extraction pump ensures that light impurities quickly enter waste shell, reduce the risk of light impurities secondary mixing into clean coal.

Description

Technical Field

[0001] This utility model relates to the technical field of coal preparation jig equipment, specifically an automatic separation and collection device for light impurities in clean coal from a coal preparation jig. Background Technology

[0002] In the coal processing industry, jigging is a widely used coal sorting technology. With its advantages of simple equipment structure, large processing capacity and convenient operation, it is widely used in the sorting of medium-hard and soft coals. It is a key link in improving coal quality and separating gangue and impurities.

[0003] Reference patent (Publication No.: CN215234977U; Publication Date: 2021-12-21) discloses a coal preparation jig, including a jig housing. Four electric push rods are installed on the side wall of the jig housing. A support platform is fixedly connected to the upper end of each of the four electric push rods. A screening box is fixedly connected to the lower side wall of the support platform. A screening plate is detachably connected to the lower inner wall of the screening box via screw holes. Several piston rods are fixedly connected to the lower side wall of the screening box. A piston pad is fixedly connected to the lower end of each piston rod. Several piston cylinders are fixedly connected to the lower inner wall of the jig housing. The piston pad slides inside the piston cylinders. The electric push rods allow the screening box to move up and down. After screening, the screening box can be lifted upwards by the electric push rods to dry the coal. Furthermore, the piston rods move up and down with the screening box, causing the piston pad to slide up and down, thereby accelerating the alternating flow of water in the water tank and improving the screening effect.

[0004] Based on the aforementioned patents, although the coal preparation jig can achieve preliminary separation of high-density impurities such as clean coal and gangue during actual operation, it is not easy to clean the light floating matter mixed in the clean coal. The commonly used method is to rely on water flow to flush it to one end of the collection pool or screen, and then manually clean it periodically using a net, which is labor-intensive and inefficient. Therefore, this utility model provides an automatic separation and collection device for light impurities in clean coal of a coal preparation jig. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides an automatic separation and collection device for light impurities in clean coal from a coal preparation jig. This device solves the problem that, in the actual operation of a coal preparation jig, although it can achieve preliminary separation of clean coal from larger density impurities such as gangue, it is difficult to clean the light floating matter mixed in the clean coal. The commonly used method is to rely on water flow to flush the matter to one end of the collection pool or screen, and then manually clean it periodically using a net or similar tool. This method is characterized by high labor intensity and low work efficiency.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an automatic separation and collection device for light impurities in clean coal from a coal preparation jig, comprising a mounting base, a jig body being mounted on the upper end of the mounting base, a screening shell being mounted on the upper end of the jig body, and a collection mechanism for automatic separation of light impurities in clean coal from the coal preparation jig being mounted on the mounting base, the collection mechanism comprising: The cleaning component includes a collection housing disposed on the upper surface of the mounting base, and the collection housing is located below one end of the screening housing. A mounting bracket is fixed to the side wall of the collection housing. A connecting bracket connected by a lifting component is disposed inside the mounting bracket. A cleaning brush shaft is disposed inside the connecting bracket. A waste housing is fixed to one side of the connecting bracket. A cleaning tooth is disposed at the lower end of the waste housing.

[0007] The filter assembly includes a mounting frame that is slidably connected inside the housing, a filter body is disposed inside the mounting frame, and a camshaft is disposed on the inner wall of the mounting frame.

[0008] Preferably, the lifting assembly includes an electric push rod fixed inside the mounting bracket, the connecting bracket is fixedly connected to the lower end of the electric push rod, and the cleaning brush shaft is driven by a motor and a transmission belt.

[0009] Preferably, a conduit is fixed to the lower end of the waste shell, and a cavity shell is fixed to one end of the conduit. The cleaning teeth are fixedly connected to one side of the cavity shell.

[0010] Preferably, a dust pump is provided at the upper end of the waste shell, and an opening and closing cover connected by bolts is provided on one side of the waste shell.

[0011] Preferably, the filter body has a mesh structure, one end of the mounting frame is fixed with a mounting block, and the upper and lower ends of the mounting block are provided with bolts to connect with the collection shell.

[0012] Preferably, there are two sets of camshafts, which are located on the lower surface of the filter body and are driven by a motor and a transmission belt.

[0013] Beneficial effects This utility model provides an automatic separation and collection device for light impurities in clean coal from a coal preparation jig. Compared with the prior art, it has the following advantages: Firstly, this utility model automatically adjusts the height of the cleaning brush shaft through a lifting component, and works in conjunction with a motor-driven brush shaft rotation and a vacuum pump for negative pressure collection to achieve full automation of the process from sweeping and peeling to collection of light debris. No manual operation is required in real time. The rotation of the cleaning brush shaft and the forced peeling of the cleaning teeth work together to prevent light debris from accumulating on the surface of the collection shell and to prevent the brush shaft from failing due to debris entanglement. At the same time, the negative pressure of the vacuum pump ensures that light debris quickly enters the waste shell, reducing the risk of light debris being mixed into the clean coal again.

[0014] Secondly, the mesh structure of the filter body of this utility model can specifically intercept small and light impurities, making up for the shortcomings of the cleaning components in separating small impurities, further improving the purity of clean coal, and meeting the requirements of subsequent production for the quality of clean coal. Then, the vibration structure driven by two sets of camshafts can effectively avoid the accumulation and blockage of clean coal particles in the filter mesh aperture, ensuring unobstructed filtration channels, reducing the number of downtime maintenance caused by filter mesh blockage, and improving the overall operating efficiency of the device. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the internal structure of the collection shell of this utility model; Figure 3 This is a schematic diagram of the cleaning brush shaft structure of this utility model; Figure 4 This is a schematic diagram of the installation frame connection structure of this utility model.

[0016] In the diagram: 1. Mounting base; 2. Jig main body; 3. Screening shell; 4. Collection shell; 401. Mounting bracket; 402. Electric push rod; 403. Connecting bracket; 404. Cleaning brush shaft; 5. Waste shell; 501. Dust pump; 502. Conduit; 503. Cavity shell; 504. Cleaning teeth; 6. Mounting frame; 601. Filter body; 602. Mounting block; 603. Camshaft. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] Please see Figure 1-4This utility model provides a technical solution: an automatic separation and collection device for light impurities in clean coal from a coal preparation jig, comprising a mounting base 1, a jig body 2 mounted on the upper end of the mounting base 1, a screening shell 3 mounted on the upper end of the jig body 2, and a collection mechanism for automatic separation of light impurities in clean coal from the coal preparation jig, the collection mechanism comprising: The cleaning assembly includes a collection housing 4 disposed on the upper surface of the mounting base 1, with the collection housing 4 located below one end of the screening housing 3. A mounting bracket 401 is fixed to the side wall of the collection housing 4. A connecting bracket 403, connected via a lifting assembly, is disposed inside the mounting bracket 401. A cleaning brush shaft 404 is disposed inside the connecting bracket 403. A waste housing 5 is fixed to one side of the connecting bracket 403, and cleaning teeth 504 are disposed at the lower end of the waste housing 5. The filter assembly includes a mounting frame 6 that is slidably connected inside the collection housing 4. The mounting frame 6 has a filter body 601 inside and a camshaft 603 on its inner wall.

[0019] In a preferred embodiment, the lifting assembly includes an electric push rod 402 fixed inside a mounting bracket 401, a connecting bracket 403 fixedly connected to the lower end of the electric push rod 402, a cleaning brush shaft 404 driven by a motor and a transmission belt, a conduit 502 fixed to the lower end of the waste shell 5, a cavity shell 503 fixed to one end of the conduit 502, cleaning teeth 504 fixedly connected to one side of the cavity shell 503, a dust pump 501 provided at the upper end of the waste shell 5, and an opening and closing cover connected by bolts provided on one side of the waste shell 5. The cleaning teeth 504 contact the cleaning brush shaft 404, and the cleaning brush shaft 404 rotates to clean the light floating objects at the upper end of the collection shell 4. The cleaning teeth 504 are used to clean the debris on the cleaning brush shaft 404.

[0020] Specifically, the collection shell 4 is pre-fixed to the upper surface of the mounting base 1 and directly below the end of the screening shell 3 to ensure that the clean coal and light impurities discharged from the screening shell 3 can accurately fall into the area of ​​the collection shell 4. When the device is started, the lifting component drives the connecting bracket 403 to rise and fall according to the material accumulation on the upper surface of the collection shell 4 through the drive structure inside the mounting bracket 401, so that the cleaning brush shaft 404 on the connecting bracket 403 maintains an appropriate contact height with the material on the upper surface of the collection shell 4. Furthermore, the cleaning brush shaft 404 is driven to rotate by a motor and a transmission belt. Its brush structure fits against the upper surface of the collection shell 4, sweeping and gathering the light debris mixed in the clean coal in this area to one side. At the same time, the waste shell 5, which is fixed to one side of the connecting bracket 403, moves synchronously with the connecting bracket 403. The cleaning teeth 504 on the lower cavity shell 503 are in close contact with the surface of the cleaning brush shaft 404. During the rotation of the brush shaft, the light debris attached to the brush is forcibly scraped off. The dust pump 501 at the upper end of the waste shell 5 starts synchronously, creating a negative pressure environment inside the waste shell 5. The light debris scraped off by the cleaning teeth 504 falls into the cavity shell 503 and is sucked into the waste shell 5 through the conduit 502 to complete the collection. When the debris inside the waste shell 5 accumulates to a certain amount, the opening and closing cover can be opened by removing the bolts on one side to clean the debris inside.

[0021] In a preferred embodiment, the filter body 601 has a mesh structure, and an installation block 602 is fixed to one end of the mounting frame 6. The upper and lower ends of the installation block 602 are provided with bolts to connect with the collection shell 4. Two sets of camshafts 603 are provided, and the two sets of camshafts 603 are located on the lower surface of the filter body 601. The two sets of camshafts 603 are connected and driven by a motor and a transmission belt, and are used for further screening and filtration separation through the filter body 601.

[0022] Specifically, the mounting frame 6 is pre-assembled inside the collection housing 4 via a sliding structure, the filter body 601 is fixed inside the mounting frame 6 to form a filter surface, and the mounting block 602 at one end of the mounting frame 6 is fastened to the collection housing 4 by bolts at the upper and lower ends to ensure that the filter assembly does not shift during operation. After the cleaning components have initially separated light impurities, the clean coal and some fine light impurities fall into the collection shell 4. They first come into contact with the filter screen body 601. The mesh structure of the filter screen body 601 allows clean coal of the correct particle size to pass through, while the fine light impurities that have not been completely separated by the cleaning components are intercepted on the upper surface of the filter screen body 601. The motor drives the two sets of camshafts 603 on the inner wall of the mounting frame 6 to rotate synchronously via the transmission belt. The eccentric structure of the camshafts 603 continuously exerts a periodic pushing effect on the lower surface of the filter screen body 601 during rotation, causing the filter screen body 601 to vibrate slightly. This vibration can effectively prevent clean coal particles from clogging the filter screen apertures, while accelerating the aggregation of fine light impurities on the filter screen surface, thus improving filtration efficiency. After the device has run for a certain period of time, the bolts on the mounting block 602 are unscrewed, and the mounting frame 6 is pulled out from the collection shell 4. The light impurities intercepted on the surface of the filter screen body 601 can then be cleaned in a concentrated manner. After cleaning, it can be reinstalled for continued use.

[0023] The dust pump used is a DX / 30 series, the electric actuator is a DTIA-1000.50-M, the motor used for the cleaning brush shaft is a YE5-160L-4, and the motor used for the camshaft is a YZO-30-6.

[0024] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0025] During operation, the collection shell 4 is pre-fixed to the upper surface of the mounting base 1 and directly below one end of the screening shell 3, ensuring that the clean coal and light impurities discharged from the screening shell 3 accurately fall into the area of ​​the collection shell 4. After the device is started, the electric push rod 402 inside the mounting bracket 401 in the lifting assembly drives the connecting bracket 403 to rise and fall according to the material accumulation on the upper surface of the collection shell 4, so that the cleaning brush shaft 404 on the connecting bracket 403 maintains an appropriate contact height with the material on the upper surface of the collection shell 4. Then, the cleaning brush shaft 404 starts to rotate through the motor and transmission belt, and its brush structure fits the collection shell. 4. At the upper end, light impurities mixed in the clean coal are swept and gathered to one side. At the same time, the waste shell 5 connected to the support 403 moves synchronously. The cleaning teeth 504 on the lower cavity shell 503 are in close contact with the surface of the cleaning brush shaft 404. When the brush shaft rotates, the light impurities attached to the brush are forcibly scraped off. The dust pump 501 at the upper end of the waste shell 5 starts synchronously to form a negative pressure. The scraped light impurities fall into the cavity shell 503 and are sucked into the waste shell 5 through the conduit 502 to complete the collection. When the impurities in the waste shell 5 accumulate to a certain amount, the bolt on one side can be removed to open the opening and closing cover for cleaning. Then, the mounting frame 6 is pre-assembled inside the collecting shell 4 via a sliding structure. The filter screen body 601 is fixed inside the mounting frame 6 to form a filter surface. The mounting block 602 at one end of the mounting frame 6 is fastened to the collecting shell 4 by upper and lower bolts. After the cleaning component has initially separated light impurities, the clean coal and some fine light impurities fall into the collecting shell 4 and contact the filter screen body 601. The mesh structure of the filter screen body 601 allows clean coal of the correct particle size to pass through, while fine light impurities that are not completely separated are intercepted on the filter screen surface. The motor is turned on. The two sets of camshafts 603 on the inner wall of the mounting frame 6 are driven by the transmission belt to rotate synchronously. The eccentric structure of the camshafts 603 continuously exerts a periodic pushing effect on the lower surface of the filter screen body 601, causing the filter screen to vibrate slightly to prevent fine coal particles from clogging the filter screen apertures and to accelerate the accumulation of fine and light debris. After the device has been running for a certain period of time, the bolts on the mounting block 602 are unscrewed, the mounting frame 6 is pulled out from the collection shell 4, and the light debris intercepted on the surface of the filter screen body 601 is cleaned in a concentrated manner. After cleaning, it can be reinstalled and used again.

[0026] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0027] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic separation and collection device for light impurities in clean coal from a coal preparation jig, comprising a mounting base (1), wherein a jig body (2) is disposed at the upper end of the mounting base (1), and a screening shell (3) is disposed at the upper end of the jig body (2), characterized in that: The mounting base (1) is equipped with a collection mechanism for automatic separation of light impurities from clean coal in a coal preparation jig. The collection mechanism includes: The cleaning assembly includes a collection shell (4) disposed on the upper surface of the mounting base (1), and the collection shell (4) is located below one end of the screening shell (3). A mounting bracket (401) is fixed to the side wall of the collection shell (4). A connecting bracket (403) is disposed inside the mounting bracket (401) and connected by a lifting assembly. A cleaning brush shaft (404) is disposed inside the connecting bracket (403). A waste shell (5) is fixed to one side of the connecting bracket (403). A cleaning tooth (504) is disposed at the lower end of the waste shell (5). The filter assembly includes a mounting frame (6) that is slidably connected inside the collection housing (4), a filter body (601) is provided inside the mounting frame (6), and a camshaft (603) is provided on the inner wall of the mounting frame (6).

2. The automatic separation and collection device for light impurities in clean coal from a coal preparation jig as described in claim 1, characterized in that: The lifting assembly includes an electric push rod (402) fixed inside the mounting bracket (401), and a connecting bracket (403) fixedly connected to the lower end of the electric push rod (402). The cleaning brush shaft (404) is driven by a motor and a transmission belt.

3. The automatic separation and collection device for light impurities in clean coal from a coal preparation jig as described in claim 1, characterized in that: The lower end of the waste shell (5) is fixed with a conduit (502), and one end of the conduit (502) is fixed with a cavity shell (503). The cleaning teeth (504) are fixedly connected to one side of the cavity shell (503).

4. The automatic separation and collection device for light impurities in clean coal from a coal preparation jig as described in claim 1, characterized in that: A dust pump (501) is provided at the upper end of the waste shell (5), and an opening and closing cover connected by bolts is provided on one side of the waste shell (5).

5. The automatic separation and collection device for light impurities in clean coal from a coal preparation jig as described in claim 1, characterized in that: The filter body (601) has a mesh structure, and an installation block (602) is fixed at one end of the installation frame (6). The upper and lower ends of the installation block (602) are provided with bolts to connect with the collection shell (4).

6. The automatic separation and collection device for light impurities in clean coal from a coal preparation jig as described in claim 1, characterized in that: The camshaft (603) is provided in two sets, and the two sets of camshafts (603) are located on the lower surface of the filter body (601). The two sets of camshafts (603) are connected and driven by a motor and a transmission belt.

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