Dry type preselector for low-grade fluorite mine

Abstract

The low-grade fluorite mine dry type preselector comprises a machine shell and a rotating ring, the top end of the machine shell is fixedly connected with symmetrically-arranged pumping and discharging openings, a plurality of sliding grooves arranged in an array mode are formed in the pumping and discharging openings, limiting grooves are formed in the positions, corresponding to the bottom ends of the sliding grooves, of the pumping and discharging openings, and filter screens are slidably connected into the pumping and discharging openings. Limiting grooves are formed in the filter screen, limiting blocks are fixedly connected to the positions, corresponding to the limiting grooves, of the filter screen, a plurality of supporting rods arranged in an array mode are fixedly connected to the top end of the filter screen, inner rods are connected to the supporting rods in a sliding mode, and round blocks are fixedly connected to the top ends of the inner rods. The filter screen is convenient to clean, through holes in the filter screen are prevented from being blocked by dust and impurities, and the filter screen is prevented from being blocked to affect use of the sorting machine.

Description

TECHNICAL FIELD

[0001] The utility model relates to fluorite ore sorting equipment technical field, concretely to a kind of low-grade fluorite ore dry preselection machine. BACKGROUND

[0002] The fluorite ore dry preselection machine is a kind of equipment specially used for low-grade fluorite ore preselection, and its core lies in the sorting technology to improve the recovery rate and quality of fluorite. The sorting machine is composed of conveying, scanning and dust reduction function components.

[0003] When the sorting machine is used, the flue gas inside the machine shell needs to be extracted and discharged through the filter screen and dust removal pipeline. The extracted flue gas needs to be filtered through the filter screen. After the filter screen is used for a period of time, the filter holes and surface of the filter screen will be contaminated with dust, which greatly reduces the flue gas filtering performance of the filter screen and affects the normal use of the sorting machine. UTILITARIAN CONTENT

[0004] The utility model aims at providing a low-grade fluorite ore dry preselection machine to solve the technical problem of easy clogging of the equipment filter screen.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A low-grade fluorite ore dry preselection machine includes a machine shell and a rotating ring. The top end of the machine shell is fixedly connected with symmetrically arranged extraction and discharge ports. A plurality of chutes are arranged in an array on the extraction and discharge ports. Limiting grooves are arranged at the bottom end positions of the chutes. A filter screen is slidably connected inside the extraction and discharge ports. Limiting blocks are fixedly connected to the filter screen at positions corresponding to the limiting grooves. A plurality of support rods are fixedly connected to the top end of the filter screen in an array. Inner rods are slidably connected to the support rods. Circular blocks are fixedly connected to the top end of the inner rods. A connecting groove is arranged at the bottom end of the rotating ring. A plurality of clamping blocks are fixedly connected to the rotating ring in an array.

[0007] As a preferred scheme of the utility model, the limiting grooves are located at the bottom end positions of the chutes, and the limiting grooves are in communication with the corresponding chutes.

[0008] As a preferred scheme of the utility model, the limiting blocks are slidably connected inside the corresponding limiting grooves.

[0009] As a preferred scheme of the utility model, the top end of the inner rod and the circular block are slidably connected inside the connecting groove.

[0010] As a preferred scheme of the utility model, the bottom end of the extraction and discharge port penetrates the top wall of the machine shell and is located inside the machine shell. The extraction and discharge port and the machine shell are in communication.

[0011] Compared with the prior art, the low-grade fluorite ore dry preconcentration machine has the beneficial effects that: the filter screen inside the suction and discharge port can be conveniently disassembled, the disassembly efficiency of the filter screen is high, cleaning is facilitated, the through holes on the filter screen are prevented from being blocked by dust and impurities, and the normal use of the sorting machine is prevented from being affected by the blocked filter screen. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0013] Figure 1 The structure schematic diagram of the embodiment of the present application;

[0014] Figure 2 The local enlarged structure schematic diagram of the embodiment of the present application;

[0015] Figure 3 The structure schematic diagram of the separation of the suction and discharge port and the filter plate in the embodiment of the present application;

[0016] Figure 4 The cross-sectional structure schematic diagram of the rotating ring in the embodiment of the present application.

[0017] The drawings are as follows: 1, the machine shell; 2, the rotating ring; 3, the suction and discharge port; 4, the sliding slot; 5, the limiting slot; 6, the filter screen; 7, the limiting block; 8, the supporting rod; 9, the inner rod; 10, the circular block; 11, the connecting slot; 12, the clamping block. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the embodiments of the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0019] In the description of the embodiments of the present application, it should be understood that the terms "upper", "lower", "front", "rear", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application.

[0020] In the description of the embodiments of the present application, it should be noted that unless otherwise explicitly defined and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, integrally connected, or detachably connected; it can be the communication inside two elements; it can be directly connected, or indirectly connected through an intermediate medium; for those skilled in the art, the specific meaning of the above terms in the embodiments of the present application should be understood according to the specific circumstances.

[0021] Referring to Figures 1-4 As shown in the utility model embodiment, a low-grade fluorite ore dry preconcentration machine, including casing 1 and rotating ring 2, casing 1 top fixedly connected with the symmetrically arranged exhaust port 3, the exhaust port 3 is provided with a plurality of chute 4 that array sets is set up, the exhaust port 3 on the bottom end position of corresponding chute 4 all are provided with limiting groove 5, the filter screen 6 of sliding connection is set up in the exhaust port 3, the filter screen 6 on the bottom end position of corresponding limiting groove 5 all are fixedly connected with the limiting block 7, the filter screen 6 top fixedly connected with a plurality of support rods 8 that array sets is set up, the inner rod 9 of sliding connection is all set up on the support rod 8, the inner rod 9 top all are fixedly connected with the circular block 10, the connecting groove 11 of rotating ring 2 bottom is set up, the rotating ring 2 on fixedly connected with a plurality of clamping blocks 12 that array sets is set up.

[0022] The limiting groove 5 is located at the bottom end position of the chute 4, the limiting groove 5 is communicated with the corresponding chute 4, the limiting block 7 is first connected to the inside of the chute 4, and then connected to the inside of the limiting groove 5 through the chute 4, the limiting block 7 is slidably connected in the corresponding limiting groove 5, the top of the inner rod 9 and the circular block 10 are slidably connected in the connecting groove 11, the connection between the circular block 10 and the connecting groove 11 can make the connection between the inner rod 9 and the connecting groove 11 more stable, the bottom of the exhaust port 3 penetrates the top wall of the casing 1 and is located in the casing 1, the exhaust port 3 and the casing 1 are in communication, so that the external pipeline can be connected with the exhaust port 3 through the exhaust port 3 to exhaust the flue gas in the casing 1.

[0023] When the utility model is used, the limiting block 7 on the filter screen 6 is inserted into each sliding groove 4, and the filter screen 6 is connected to the inside of the exhaust port 3, at this time, the limiting block 7 on the filter screen 6 is connected to the inside of the limiting groove 5 through the sliding groove 4, the rotating ring 2 is located at the top end of the exhaust port 3, the rotating ring 2 can be directly rotated, the rotating ring 2 drives the filter screen 6 to rotate in the exhaust port 3 through the inner rod 9 and the supporting rod 8, the filter screen 6 rotates to drive the limiting block 7 to rotate in the limiting groove 5, the limiting block 7 rotates in the limiting groove 5 and is no longer corresponding to the sliding groove 4 at the top end of the limiting groove 5, the connection between the limiting block 7 and the limiting groove 5 fixes the filter screen 6 in the inside of the exhaust port 3, at this time, the rotating ring 2 is rotated again, the rotating ring 2 cannot drive the filter screen 6 to rotate at this time, because the limiting block 7 on the filter screen 6 has abutted with the inner sidewall of the limiting groove 5, at this time, the rotating ring 2 is supported by the inner rod 9 and the circular block 10 and is rotated, the rotating ring 2 rotates to drive the clamping block 12 to rotate, each clamping block 12 is rotated to the position corresponding to each sliding groove 4, the rotating ring 2 is pressed downward, the rotating ring 2 presses the inner rod 9 through the circular block 10, so that the inner rod 9 slowly retracts into the supporting rod 8, at this time, the rotating ring 2 drives the clamping block 12 to move downward to the inside of the sliding groove 4, and the filter screen 6 is completely installed; when disassembling, the rotating ring 2 is pulled upward with force, and the remaining steps are operated in the same way, so that the operation is very convenient and has high practicability.

[0024] The basic principle of the application is shown and described above, the above is only the preferred embodiment of the application, and does not limit the application, the above embodiment and the description in the specification only illustrate the principle of the application, any modification, equivalent replacement and improvement within the scope of the application should be included in the protection scope of the application.

Claims

1. A low-grade fluorite ore dry preconcentrator, characterized in that: Including the casing (1) and the rotating ring (2), the casing (1) top end fixedly connected with the symmetrically arranged exhaust port (3), the exhaust port (3) is opened with the array arranged multiple chute (4), the exhaust port (3) corresponding chute (4) bottom end position is all opened with the limiting slot (5), the exhaust port (3) inside slidingly connected with the filter screen (6), the filter screen (6) corresponding limiting slot (5) position is all fixedly connected with the limiting block (7), the filter screen (6) top end fixedly connected with the array arranged multiple support rod (8), the support rod (8) all slidingly connected with the inner rod (9), the inner rod (9) top end all fixedly connected with the circular block (10), the rotating ring (2) bottom end is opened with the connecting groove (11), the rotating ring (2) is fixedly connected with the array arranged multiple clamping block (12).

2. A low-grade fluorspar dry preconcentrator according to claim 1, characterized in that: The limiting slot (5) is located at the bottom end position of the chute (4), the limiting slot (5) is communicated with the corresponding chute (4).

3. A low-grade fluorspar dry preconcentrator according to claim 1, characterized in that: The limiting block (7) is slidingly connected in the corresponding limiting slot (5).

4. A low-grade fluorspar dry preconcentrator according to claim 1, characterized in that: The top end of the inner rod (9) and the circular block (10) are slidingly connected in the connecting groove (11).

5. A low-grade fluorspar dry preconcentrator according to claim 1, characterized in that: The bottom end of the exhaust port (3) penetrates the top wall of the casing (1) and is located in the casing (1), and the exhaust port (3) and the casing (1) are in communication.

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