Low-grade ore pretreatment device

Abstract

The utility model is applicable to the technical field of ore treatment, and provides a low-grade ore pretreatment device which comprises a screening shell, a magnetic separation shell is arranged on the screening shell, the interior of the magnetic separation shell is hollow, the bottom wall of the magnetic separation shell is an inclined plane with a high left part and a low right part, and a movable plate is arranged in the magnetic separation shell. A plurality of adsorption blocks are arranged on the lower surface of the movable plate, permanent magnets are embedded in the lower surfaces of the adsorption blocks, an electric push rod is arranged on the surface of the right side of the magnetic separation shell, a U-shaped shell is arranged between the inner walls of the front side and the rear side of the magnetic separation shell, two scraping plates are arranged on the upper surfaces of two vertical plates of the U-shaped shell, and the upper sides of the scraping plates make contact with the lower surfaces of the adsorption blocks; the device can automatically scrape off the magnetic ores at the bottom of the adsorption block in the ore screening process and screen the magnetic ores, and can continuously sort the low-grade ores, so that the treatment efficiency and speed of the low-grade ores are further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to ore processing technical field more specifically, it relates to a kind of low-grade ore pretreatment device. BACKGROUND

[0002] In ore screening production line, ore screening equipment generally contains crushing equipment, screening equipment, grinding classification equipment, magnetic separation equipment, flotation equipment, gravity separation equipment etc., the use of these equipment, it is beneficial to low-grade ore to be processed and purified more deeply.

[0003] And vibrating screen is a kind of ore screening equipment, can be used for screening ore of different volume size, such as retrieval existing relevant patent: CN221602565U, discloses ore screening device, the prior art by magnet in magnetic base electromagnet adsorbs magnetic ore in ore, reaches sorting out magnetic and non-magnetic ore.

[0004] However, the prior art has the following disadvantages when in use: in the prior art, magnetic ore is adsorbed by electromagnet after being adsorbed, is always adsorbed in the bottom of electromagnet, only when all ore screening is finished, the magnetic ore in the bottom of electromagnet can be screened, this way cannot continuously sort low-grade ore, because the magnetic ore in the bottom of electromagnet accumulates more and more in the adsorption process, which inevitably leads to the situation that part of magnetic ore cannot be adsorbed by electromagnet, at the same time, more time is needed when sorting low-grade ore, which affects the processing efficiency and speed of low-grade ore. SUMMARY

[0005] In view of the deficiencies of the prior art, the purpose of the utility model is to provide a kind of low-grade ore pretreatment device.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model relates to a low grade ore pretreatment device, including screening shell, be provided with magnetic separation shell on screening shell, the inside of magnetic separation shell is hollow, and its bottom wall is the inclined plane of left high right low, be provided with movable plate in magnetic separation shell, the lower surface of movable plate is provided with a plurality of adsorption block, the lower surface of adsorption block is inlayed with permanent magnet, the right side surface of magnetic separation shell is provided with electric push rod, the left end of electric push rod telescopic rod slides and penetrates into magnetic separation shell, and is connected with the right side surface of movable plate, be provided with U type shell between the inside wall of the front and rear of magnetic separation shell, be provided with the second screen cloth of front high back low between two vertical boards of U type shell, the rear side surface of magnetic separation shell is provided with the opening of being located respectively in the upper and lower sides of second screen cloth, the upper surface of two vertical boards of U type shell is provided with two scrapers, the upside of two scrapers is right triangle, and is centrally symmetric, the upside of scraper is in contact with the lower surface of adsorption block, and the vertical board of U type shell all is provided with control assembly of controlling the displacement of scraper up and down.

[0008] The utility model further sets up: the downside of screening shell is provided with base, a plurality of buffer damper are arranged between screening shell and base, the bottom of screening shell is provided with vibration motor, the first screen cloth of oblique arrangement is provided on screening shell.

[0009] The utility model further sets up: the upper surface of magnetic separation shell is provided with feeding hopper with its inside communication, the lower surface of the right side of magnetic separation shell is provided with discharge gate with its inside communication, the left and right two side surfaces of magnetic separation shell are provided with two limit slide rods, and the movable plate is slidably sleeved on the two limit slide rods.

[0010] The utility model further sets up: the control assembly includes press lever, and press lever sets up on the upper surface of U type shell vertical board, and the upside of press lever is hinged with contact lever, and the opposite surface of left and right two contact levers all is provided with L type baffle of blocking contact lever, and the inside of two vertical boards of U type shell is hollow, and the lower end of press lever slides and penetrates into U type shell vertical board, and the lower surface of movable plate is provided with extrusion board, and the shape of extrusion board is isosceles trapezium, and the upper end of contact lever is in contact with the inclined plane and bottom surface of extrusion board respectively, and torsion spring is arranged between contact lever and press lever, and contact lever is vertical with press lever under the action of torsion spring.

[0011] The utility model further sets up: the downside of scraper slides and penetrates into U type shell vertical board, the lower surface of press lever is provided with rack, and the left and right two inside walls of U type shell vertical board are rotatably connected with gear that is meshed with connecting of rack, and the surface of scraper towards gear is provided with gear slot that is meshed with connecting of gear.

[0012] The utility model further sets up: the contraction cavity is opened in the scraper, the bottom wall of U type shell vertical board is provided with fixed link, the upper end of fixed link is slid through into the contraction cavity, the upper end of fixed link is provided with the built -in board that slides in the contraction cavity, the lower surface of built -in board and the bottom wall between contraction cavity are provided with the support spring of movable sleeve setting on the outer surface of fixed link.

[0013] The utility model has the advantages of:

[0014] The utility model discloses can automatically scrape the magnetic ore of the bottom of adsorption block in the ore screening process, and the magnetic ore is screened, and the low grade ore is sorted constantly, and the processing efficiency and the speed of low grade ore are further improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the structural schematic diagram of a low grade ore pretreatment device of the utility model;

[0016] Figure 2 It is the sectional view schematic diagram of the magnetic separation shell of the utility model;

[0017] Figure 3 It is Figure 2 It is the enlarged view of A place in middle;

[0018] Figure 4 It is the internal structure side view plan of U type shell vertical board of the utility model.

[0019] In the drawing: 1, screening shell body;2, base;3, buffer damper;4, vibration motor;5, first screen;6, support spring;7, magnetic separation shell;8, feed hopper;9, discharge port;10, movable plate;11, adsorption block;12, electric push rod;13, U type shell;14, second screen;15, limit slide rod;16, scraper;17, press bar;18, contact rod;19, L type baffle;20, extrusion plate;21, rack;22, gear;23, gear slot;24, contraction cavity;25, fixed link;26, built -in board. DETAILED DESCRIPTION

[0020] The application will be further described in detail below with reference to the drawings and embodiments. It can be understood that the specific embodiments described are only used to explain the related utility model, and are not limited to the utility model. In addition, it should be noted that, for the convenience of description, only the parts related to the utility model are shown in the drawings.

[0021] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and embodiments.

[0022] Please refer to Figures 1-4The utility model provides the following technical scheme:

[0023] Specifically refers to a kind of low-grade ore pretreatment device, including screening shell 1, the lower side of screening shell 1 is provided with base 2, screening shell 1 and base 2 are provided with multiple buffer damper 3, the bottom of screening shell 1 is provided with vibration motor 4, screening shell 1 is provided with the first screen cloth 5 of oblique arrangement, when using, vibration motor 4 starts, thus the ore falling on the first screen cloth 5 is screened under the action of vibration, to reach the purpose of low-grade ore pretreatment.

[0024] Screening shell 1 is provided with magnetic separation shell 7, the inside of magnetic separation shell 7 is hollow, and its bottom wall is the inclined plane of left high right low, the upper surface of magnetic separation shell 7 is provided with the feed hopper 8 communicated with its inside, the lower surface of the right side of magnetic separation shell 7 is provided with the discharge port 9 communicated with its inside, magnetic separation shell 7 is provided with movable plate 10, the lower surface of movable plate 10 is provided with multiple adsorption blocks 11, the lower surface of adsorption block 11 is inlaid with permanent magnet, thus when low-grade ore is poured into magnetic separation shell 7 through feed hopper 8, ore rolls on the bottom wall of magnetic separation shell 7, permanent magnet in the bottom of adsorption block 11 can form adsorption effect to magnetic ore in the process of rolling, so that these magnetic ore is adsorbed in the bottom of adsorption block 11, so as to complete screening of magnetic ore and non-magnetic ore in ore, further guarantee the sorting effect of low-grade ore.

[0025] The right side surface of the magnetic separation shell 7 is provided with an electric push rod 12, the left end of the telescopic rod of the electric push rod 12 is slidably penetrated into the magnetic separation shell 7 and connected with the right side surface of the movable plate 10, so that the electric push rod 12 can control the left and right displacement of the movable plate 10 in the magnetic separation shell 7, a U-shaped shell 13 is arranged between the front and rear inner walls of the magnetic separation shell 7, a second screen 14 with a front high and rear low is arranged between the two vertical plates of the U-shaped shell 13, the rear side surface of the magnetic separation shell 7 is provided with openings respectively located on the upper and lower sides of the second screen 14, the upper surfaces of the two vertical plates of the U-shaped shell 13 are provided with two scrapers 16, the upper sides of the two scrapers 16 are right-angled triangles and are centrally symmetric, the upper sides of the scrapers 16 are in contact with the lower surface of the adsorption block 11, the vertical plates of the U-shaped shell 13 are provided with control assemblies for controlling the up and down displacement of the scrapers 16, when the movable plate 10 is displaced to the left, the scraper 16 on the left vertical plate of the U-shaped shell 13 is displaced upward and in contact with the lower surface of the adsorption block 11, so that the scraper 16 can scrape the magnetic ore adsorbed on the lower surface of the adsorption block 11 and fall into the U-shaped shell 13, when the movable plate 10 is displaced to the right, the left scraper 16 is lowered and the right scraper 16 is raised, so that when the movable plate 10 is displaced to the right, the right scraper 16 can scrape the magnetic ore on the lower surface of the adsorption block 11 and fall into the U-shaped shell 13 for screening, the above structure can automatically scrape the magnetic ore at the bottom of the adsorption block 11 during the ore screening process and screen the magnetic ore, which can continuously sort the low-grade ore and further improve the processing efficiency and speed of the low-grade ore.

[0026] The left and right side surfaces of the magnetic separation shell 7 are provided with two limiting slide rods 15, the movable plate 10 is slidably sleeved on the two limiting slide rods 15, so that the limiting slide rods 15 can form a limiting effect on the movable plate 10, avoiding the problem of inclination of the movable plate 10 during displacement and ensuring the stability of scraping the magnetic ore at the bottom of the adsorption block 11.

[0027] The control assembly comprises a pressing rod 17 arranged on the upper surface of the vertical plate of the U-shaped shell 13, the upper side of the pressing rod 17 is hingedly connected with a contact rod 18, a torsion spring is arranged between the contact rod 18 and the pressing rod 17, the contact rod 18 is vertically arranged with the pressing rod 17 under the action of the torsion spring, L-shaped baffles 19 are arranged on the opposite surfaces of the left and right contact rods 18 to block the contact rods 18, the interiors of the two vertical plates of the U-shaped shell 13 are hollow, the lower end of the pressing rod 17 is slidably arranged in the vertical plate of the U-shaped shell 13, the lower surface of the movable plate 10 is provided with a pressing plate 20, the pressing plate 20 is isosceles trapezoidal in shape, the upper end of the contact rod 18 is in contact with the inclined surface and the bottom surface of the pressing plate 20 respectively, when the movable plate 10 is displaced to the left, the L-shaped baffle 19 on the right pressing rod 17 is arranged on the right side of the contact rod 18, so the L-shaped baffle 19 cannot block the counterclockwise rotation of the contact rod 18, so that when the movable plate 10 is displaced to the left, the right contact rod 18 is pressed by the pressing plate 20 and rotates counterclockwise, when the inclined surface of the pressing plate 20 is in contact with the upper end of the left contact rod 18, the L-shaped baffle 19 is arranged on the left side of the left contact rod 18, so that the left contact rod 18 is limited, so that the left contact rod 18 pushes the left pressing rod 17 to displace downward, conversely, when the movable plate 10 is displaced to the right, the left contact rod 18 rotates clockwise, and the right contact rod 18 pushes the right pressing rod 17 to displace downward.

[0028] The lower side of the scraper 16 is slidably arranged in the vertical plate of the U-shaped shell 13, the lower surface of the pressing rod 17 is provided with a rack 21, the left and right inner walls of the vertical plate of the U-shaped shell 13 are rotationally connected with a gear 22 in meshing connection with the rack 21, the surface of the scraper 16 facing the gear 22 is provided with a tooth groove 23 in meshing connection with the gear 22, the scraper 16 is provided with a contraction cavity 24, the bottom wall of the vertical plate of the U-shaped shell 13 is provided with a fixed rod 25, the upper end of the fixed rod 25 is slidably arranged in the contraction cavity 24, the upper end of the fixed rod 25 is provided with an embedded plate 26 slidably arranged in the contraction cavity 24, the lower surface of the embedded plate 26 and the bottom wall of the contraction cavity 24 are provided with a supporting spring 6 movably arranged on the outer surface of the fixed rod 25, when the supporting spring 6 is not pressed, the supporting spring 6 will form a pushing force on the scraper 16, so that the initial position of the scraper 16 is contracted in the vertical plate of the U-shaped shell 13, and the upper side of the pressing rod 17 is extended out of the upper surface of the vertical plate of the U-shaped shell 13, when the pressing rod 17 is pressed and displaced downward, the rack 21 is synchronously displaced downward, so that the gear 22 drives the scraper 16 to displace upward in meshing transmission, and the supporting spring 6 is stressed and contracted, through the above structure, the corresponding scraper 16 can be automatically controlled to displace upward when the movable plate 10 is displaced leftward and rightward, without artificial control, the scraping efficiency of the magnetic ore on the bottom of the adsorption block 11 is improved.

[0029] The working principle of the low-grade ore pretreatment device is as follows: when the movable plate 10 displaces to the left side, the scraper 16 on the left vertical plate of the U-shaped shell 13 is controlled to displace upward and contact the lower surface of the adsorption block 11, so that the scraper 16 can scrape the magnetic ore adsorbed on the lower surface of the adsorption block 11 to fall into the U-shaped shell 13; when the movable plate 10 displaces the U-shaped shell 13, the electric push rod 12 pulls the movable plate 10 to displace to the right side, at this time, the left scraper 16 is controlled to descend and the right scraper 16 is controlled to ascend, so that when the movable plate 10 displaces to the right side, the right scraper 16 scrapes the magnetic ore on the lower surface of the adsorption block 11 to fall into the U-shaped shell 13 for screening.

[0030] The above description is merely preferred embodiments of the present application and a description of the technical principles of the application. It should be understood by those skilled in the art that the scope of the utility model disclosed in the present application is not limited to the technical solutions formed by the specific combinations of the above technical features, and should also cover other technical solutions formed by any combinations of the above technical features or equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features disclosed in the present application (but not limited to) having similar functions to form technical solutions.

Claims

1. A low-grade ore pre-treatment device comprising a screening housing (1), characterized in that: The screening housing (1) is provided with a magnetic separation housing (7). The interior of the magnetic separation housing (7) is hollow, and its bottom wall is an inclined surface with the left side higher than the right side. A movable plate (10) is provided inside the magnetic separation housing (7). Multiple adsorption blocks (11) are provided on the lower surface of the movable plate (10). Permanent magnets are embedded on the lower surface of the adsorption blocks (11). An electric push rod (12) is provided on the right side surface of the magnetic separation housing (7). The left end of the telescopic rod of the electric push rod (12) slides through into the magnetic separation housing (7) and connects with the right side surface of the movable plate (10). The front and rear sides of the magnetic separation housing (7) are connected to each other. A U-shaped shell (13) is provided between the inner side walls. A second screen (14) with a higher front and lower back is provided between the two vertical plates of the U-shaped shell (13). The rear surface of the magnetic separator (7) is provided with openings located on the upper and lower sides of the second screen (14). Two scrapers (16) are provided on the upper surface of the two vertical plates of the U-shaped shell (13). The upper sides of the two scrapers (16) are right-angled triangles and are centrally symmetrical. The upper side of the scraper (16) is in contact with the lower surface of the adsorption block (11). A control component for controlling the up and down displacement of the scraper (16) is provided on the vertical plates of the U-shaped shell (13).

2. A low grade ore pre-treatment apparatus as claimed in claim 1, wherein: A base (2) is provided on the lower side of the screening housing (1), and multiple buffer dampers (3) are provided between the screening housing (1) and the base (2). A vibration motor (4) is provided at the bottom of the screening housing (1), and a first screen (5) is provided on the screening housing (1) at an incline.

3. A low grade ore pre-treatment apparatus as claimed in claim 1, wherein: The upper surface of the magnetic separator housing (7) is provided with a feed hopper (8) communicating with its interior. The lower surface of the right side of the magnetic separator housing (7) is provided with a discharge port (9) communicating with its interior. The left and right sides of the magnetic separator housing (7) are provided with two limiting slide rods (15). The movable plate (10) is slidably sleeved on the two limiting slide rods (15).

4. A low grade ore pre-treatment apparatus as claimed in claim 1, wherein: The control component includes a pressing rod (17), which is set on the upper surface of the vertical plate of the U-shaped shell (13). A contact rod (18) is hinged to the upper side of the pressing rod (17). L-shaped baffles (19) that block the contact rods (18) are set on opposite surfaces of the left and right contact rods (18). The two vertical plates of the U-shaped shell (13) are hollow inside. The lower end of the pressing rod (17) slides through into the vertical plate of the U-shaped shell (13). A pressing plate (20) is set on the lower surface of the movable plate (10). The pressing plate (20) is in the shape of an isosceles trapezoid. The upper end of the contact rod (18) contacts the inclined surface and the bottom surface of the pressing plate (20) respectively.

5. A low grade ore pre-treatment apparatus as claimed in claim 4, wherein: A torsion spring is provided between the contact rod (18) and the pressing rod (17), and the contact rod (18) is vertical to the pressing rod (17) under the action of the torsion spring.

6. A low grade ore pre-treatment apparatus as claimed in claim 5, characterised in that: The scraper (16) slides through the vertical plate of the U-shaped shell (13) on its lower side. A rack (21) is provided on the lower surface of the pressing rod (17). A gear (22) that meshes with the rack (21) is rotatably connected between the inner walls of the left and right sides of the vertical plate of the U-shaped shell (13). A tooth groove (23) that meshes with the gear (22) is opened on the surface of the scraper (16) facing the gear (22).

7. A low grade ore pre-treatment apparatus as claimed in claim 6, characterised in that: The scraper (16) is provided with a contraction cavity (24), the bottom wall of the vertical plate of the U-shaped shell (13) is provided with a fixed rod (25), the upper end of the fixed rod (25) is slidably penetrated into the contraction cavity (24), the upper end of the fixed rod (25) is provided with an embedded plate (26) which is slidably arranged in the contraction cavity (24), and the lower surface of the embedded plate (26) and the bottom wall of the contraction cavity (24) are provided with a supporting spring (6) which is movably sleeved on the outer surface of the fixed rod (25).

Images