Ore screening device facilitating multi-stage screening

Abstract

The ore screening device comprises a screening box, a feeding hopper and discharging box doors are fixedly arranged on the top face of the screening box in a penetrating mode, and the evenly-arranged discharging box doors are arranged on the left side wall of the screening box. The first screening plate is connected to the inner wall surface of the screening box in a sliding manner; the second screening plate is connected to the inner wall face of the screening box in a sliding mode, and the second screening plate is located below the first screening plate; the third screening plate is slidably connected to the inner wall face of the screening box, and the third screening plate is located below the second screening plate. According to the ore screening device facilitating multi-stage screening, multi-stage screening can be conveniently conducted on ore, the fine degree of ore screening is improved, meanwhile, the ore can roll back and forth and move up and down, the screening efficiency of the ore is improved, operation is easy, convenient and flexible, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of ore screening, in particular to an ore screening device which is convenient for multi-stage screening. Background Art

[0002] Ore refers to stones containing some valuable minerals taken from mines. Before smelting, the ore must be beneficiated and screened according to the size of the ore particles. However, the existing ore screening devices still have certain defects, such as:

[0003] The "ore screening device" with application number CN202321493423.2 is not convenient for multi-stage screening during use, and can only perform one-stage screening, making it difficult to sort the ore more finely. At the same time, the ore screening efficiency is limited by only rolling the ore back and forth for screening. In view of this, an ore screening device that is convenient for multi-stage screening is proposed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide an ore screening device which is convenient for multi-stage screening, so as to solve the problem in the above background technology that the existing ore screening device is inconvenient for multi-stage screening and is not conducive to improving the ore screening efficiency.

[0005] To achieve the above object, the utility model provides the following technical solution: an ore screening device that is convenient for multi-stage screening, comprising a screening box, a feed hopper is fixedly opened on the top surface of the screening box,

[0006] Discharge box doors, the evenly arranged discharge box doors are arranged on the left side wall of the screening box;

[0007] a first sieve plate, the first sieve plate being slidably connected to an inner wall surface of the sieving box;

[0008] a second sieve plate, the second sieve plate being slidably connected to the inner wall surface of the sieving box and being located below the first sieve plate;

[0009] a third sieve plate, the third sieve plate being slidably connected to the inner wall surface of the sieving box and being located below the second sieve plate;

[0010] Support slides, the support slides symmetrically arranged in pairs are fixedly mounted on the bottom surface of the screening box;

[0011] A bottom plate, the top surface of which is slidably connected to the bottom surface of the supporting sliding column;

[0012] A driving mechanism, wherein the driving mechanism is arranged on the top surface of the bottom plate;

[0013] A reciprocating mechanism, the reciprocating mechanism is connected to the driving mechanism, and the reciprocating mechanism is installed on the right side of the screening box;

[0014] A transmission mechanism, wherein the transmission mechanism is arranged on the bottom surface of the screening box;

[0015] A reciprocating lifting mechanism is connected to the transmission mechanism.

[0016] The above technical solution is adopted to facilitate fast and effective multi-stage screening of ore.

[0017] As a preferred technical solution of the utility model, the driving mechanism includes:

[0018] A motor, the motor being fixedly mounted on the top surface of the bottom plate;

[0019] A rotating shaft, the bottom end of which is key-connected to the shaft end of the motor;

[0020] A turntable, the turntable is fixedly mounted on the top end of the rotating shaft;

[0021] A driving pin is fixedly mounted on the top surface of the turntable.

[0022] By adopting the above technical solution, the driving pin can be driven to rotate through the rotating disk when the rotating shaft rotates.

[0023] As a preferred technical solution of the present utility model, the longitudinal centerline of the turntable is colinear with the longitudinal centerline of the shaft, and the driving pin is located at an eccentric position on the top surface of the turntable.

[0024] The adoption of the technical solution facilitates the guarantee of circular rotation of the driving pin.

[0025] As a preferred technical solution of the utility model, the reciprocating mechanism includes:

[0026] A connecting rod, the connecting rod is fixedly mounted on the right side of the screening box;

[0027] A connecting plate, the connecting plate is fixedly mounted on the right end of the connecting rod;

[0028] A driving groove is longitudinally opened on the connecting plate and the driving pin is arranged through the driving groove.

[0029] By adopting the above technical solution, when the driving pin rotates in a circle, the connecting plate can cooperate with the driving groove to drive the connecting rod and the box to reciprocate, so that they can roll back and forth quickly, thereby improving the screening efficiency.

[0030] As a preferred technical solution of the utility model, the transmission mechanism includes:

[0031] A twisted rod, the top end of which is connected to the bottom bearing of the screening box;

[0032] A transmission gear, the transmission gear is coaxially fixedly mounted on the bottom end of the twisted rod;

[0033] A rack is fixedly mounted on the top surface of the base plate, and the rack is meshedly connected with the transmission gear.

[0034] By adopting the above technical solution, the screening box can drive the twisted rod and the transmission gear to move back and forth when moving back and forth, and the transmission gear can drive the twisted rod to rotate back and forth through the setting of the rack.

[0035] As a preferred technical solution of the utility model, the reciprocating lifting mechanism includes:

[0036] A movable plate, wherein the movable plate is sleeved on the outer side of the twisted rod, and the movable plate and the twisted rod form a threaded connection structure;

[0037] A slide bar is fixedly mounted on the top surface of the movable plate, and the slide bar slides through the bottom surface of the screening box, and the slide bar is fixedly arranged to penetrate the third sieve plate, the second sieve plate and the first sieve plate in sequence.

[0038] By adopting the above technical solution, when the twisted rod reciprocates, the movable plate drives the sliding rod and the first screen plate, the second screen plate and the third screen plate to reciprocate in the vertical direction, so that the ore moves up and down, further improving the screening efficiency.

[0039] Compared with the prior art, the utility model has the following beneficial effects: the ore screening device that facilitates multi-stage screening can facilitate multi-stage screening of ore, improve the fineness of ore screening, and at the same time enable the ore to roll back and forth and shake up and down, thereby improving the screening efficiency of the ore, and the operation is simple and flexible, and the practicability is strong;

[0040] 1. After the ore is put into the screening box through the feed, it will be screened in sequence through the first screen plate, the second screen plate and the third screen plate, realizing multi-level screening of the ore and improving the fineness of the ore screening;

[0041] 2. Start the motor to make the rotating shaft drive the turntable to rotate, so that the turntable drives the driving pin to rotate in a circle. Through the cooperation of the driving slot and the driving pin, the connecting plate drives the connecting rod and the screening box to move back and forth under the action of the supporting slide column, so that the ore rolls back and forth, improving the efficiency of rapid screening;

[0042] 3. When the screening box reciprocates, it drives the twisted rod and the transmission gear to reciprocate synchronously. Under the meshing connection of the transmission gear and the rack, the transmission gear drives the twisted rod to reciprocate, so that the connecting plate drives the sliding rod to reciprocate, and then the first screen plate, the second screen plate and the third screen plate reciprocate to make the ore bounce up and down, further improving the screening efficiency of the ore, thereby facilitating rapid multi-stage screening of the ore. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 It is a schematic diagram of the structure of the utility model;

[0044] Figure 2 This is a schematic diagram of the cross-sectional structure of the screening box of the utility model;

[0045] Figure 3 This is a schematic diagram of the connection structure between the driving pin and the driving groove of the utility model;

[0046] Figure 4 It is a schematic diagram of the connection structure of the transmission gear, the twisted rod and the rack of the utility model.

[0047] In the figure: 1. screening box; 2. feed hopper; 3. discharge box door; 4. first screen plate; 5. second screen plate; 6. third screen plate; 7. supporting slide column; 8. bottom plate; 9. motor; 10. rotating shaft; 11. turntable; 12. driving pin; 13. connecting rod; 14. connecting plate; 15. driving groove; 16. twisted rod; 17. transmission gear; 18. rack; 19. moving plate; 20. slide rod. DETAILED DESCRIPTION

[0048] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0049] See also Figure 1-4 , the technical solution of the utility model: an ore screening device convenient for multi-stage screening, comprising a screening box 1, a feed hopper 2 is fixedly opened on the top surface of the screening box 1, a uniformly arranged discharge box door 3 is arranged on the left side wall of the screening box 1, a first screen plate 4 is slidably connected to the inner wall surface of the screening box 1, a second screen plate 5 is slidably connected to the inner wall surface of the screening box 1, and the second screen plate 5 is located below the first screen plate 4, a third screen plate 6 is slidably connected to the inner wall surface of the screening box 1, and the third screen plate 6 is located below the second screen plate 5, two symmetrically arranged support slides 7 are fixedly installed on the bottom surface of the screening box 1, and the top surface of the bottom plate 8 is slidably connected to the bottom surface of the support slide 7;

[0050] The motor 9 is fixedly mounted on the top surface of the bottom plate 8, the bottom end of the rotating shaft 10 is keyed to the shaft end of the motor 9, the turntable 11 is fixedly mounted on the top end of the rotating shaft 10, the driving pin 12 is fixedly mounted on the top surface of the turntable 11, the longitudinal axis centerline of the turntable 11 is collinear with the longitudinal axis centerline of the rotating shaft 10, and the driving pin 12 is located at an eccentric position on the top surface of the turntable 11;

[0051] The connecting rod 13 is fixedly installed on the right side of the screening box 1, the connecting plate 14 is fixedly installed on the right end of the connecting rod 13, the driving groove 15 is longitudinally opened on the connecting plate 14, and the driving pin 12 is arranged through the driving groove 15;

[0052] The top of the twisted rod 16 is connected to the bottom bearing of the screening box 1, the transmission gear 17 is coaxially fixedly installed on the bottom end of the twisted rod 16, the rack 18 is fixedly installed on the top surface of the bottom plate 8, and the rack 18 is meshed and connected with the transmission gear 17;

[0053] The movable plate 19 is sleeved on the outside of the twisted rod 16, and the movable plate 19 and the twisted rod 16 form a threaded connection structure, the sliding rod 20 is fixedly installed on the top surface of the movable plate 19, and the sliding rod 20 slides through the bottom surface of the screening box 1, and the sliding rod 20 is fixedly passed through the third sieve plate 6, the second sieve plate 5 and the first sieve plate 4 in sequence.

[0054] Working principle: When in use, the ore is put into the screening box 1 through the feed hopper 2, so that the ore will be screened in turn through the first screen plate 4, the second screen plate 5 and the third screen plate 6, thereby realizing multi-stage screening of the ore;

[0055] At the same time, the motor 9 is started to make the rotating shaft 10 drive the rotating disk 11 to rotate, so that the rotating disk 11 drives the driving pin 12 to rotate in a circle, so that the connecting plate 14 drives the connecting rod 13 to reciprocate through the cooperation of the driving pin 12 and the driving slot 15, and then the connecting rod 13 drives the screening box 1 to reciprocate in the horizontal direction under the action of the supporting slide column 7, thereby driving the ore on the first screen plate 4, the second screen plate 5 and the third screen plate 6 to roll back and forth, thereby improving the screening efficiency of the ore;

[0056] When the screening box 1 moves back and forth, it drives the twisted rod 16 and the transmission gear 17 to move back and forth synchronously. Under the meshing connection between the rack 18 and the transmission gear 17, the transmission gear 17 drives the twisted rod 16 to rotate back and forth during the reciprocating movement, so that the movable plate 19 drives the slide bar 20 to move back and forth in the vertical direction, and then the slide bar 20 drives the first screen plate 4, the second screen plate 5 and the third screen plate 6 to move back and forth in the vertical direction synchronously, thereby causing the ore to bounce up and down, thereby improving the screening efficiency of the ore. After the ore is screened, the screened ore is taken out by opening the discharge box door 3. The contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0057] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An ore screening device for multi-stage screening, comprising a screening box (1), wherein a feed hopper (2) is fixedly provided on the top surface of the screening box (1), characterized in that: Also includes: A discharge box door (3), the discharge box door (3) being evenly arranged and arranged on the left side wall of the screening box (1); A first sieve plate (4), the first sieve plate (4) being slidably connected to the inner wall surface of the sieving box (1); A second sieve plate (5), the second sieve plate (5) being slidably connected to the inner wall surface of the sieving box (1), and the second sieve plate (5) being located below the first sieve plate (4); A third sieve plate (6), the third sieve plate (6) being slidably connected to the inner wall surface of the sieving box (1), and the third sieve plate (6) being located below the second sieve plate (5); Support slide columns (7), the support slide columns (7) being symmetrically arranged in pairs and fixedly mounted on the bottom surface of the screening box (1); A bottom plate (8), the top surface of the bottom plate (8) being slidably connected to the bottom surface of the supporting sliding column (7); A driving mechanism, the driving mechanism being arranged on the top surface of the bottom plate (8); A reciprocating mechanism, the reciprocating mechanism is connected to the driving mechanism, and the reciprocating mechanism is installed on the right side of the screening box (1); A transmission mechanism, the transmission mechanism being arranged on the bottom surface of the screening box (1); A reciprocating lifting mechanism is connected to the transmission mechanism.

2. The ore screening device for multi-stage screening according to claim 1, characterized in that: The driving mechanism comprises: A motor (9), wherein the motor (9) is fixedly mounted on the top surface of the base plate (8); A rotating shaft (10), the bottom end of which is key-connected to the shaft end of the motor (9); A rotating disk (11), wherein the rotating disk (11) is fixedly mounted on the top end of the rotating shaft (10); A driving pin (12), wherein the driving pin (12) is fixedly mounted on the top surface of the rotating disk (11).

3. The ore screening device for multi-stage screening according to claim 2, characterized in that: The longitudinal centerline of the rotating disk (11) is colinear with the longitudinal centerline of the rotating shaft (10), and the driving pin (12) is located at an eccentric position on the top surface of the rotating disk (11).

4. The ore screening device for multi-stage screening according to claim 2, characterized in that: The reciprocating mechanism comprises: A connecting rod (13), wherein the connecting rod (13) is fixedly mounted on the right side surface of the screening box (1); A connecting plate (14), wherein the connecting plate (14) is fixedly mounted on the right end of the connecting rod (13); A driving groove (15) is longitudinally penetrated and opened on the connecting plate (14), and the driving pin (12) is arranged to pass through the driving groove (15).

5. The ore screening device for multi-stage screening according to claim 4, characterized in that: The transmission mechanism comprises: A twisted rod (16), the top end of which is connected to the bottom bearing of the screening box (1); A transmission gear (17), the transmission gear (17) being coaxially fixedly mounted on the bottom end of the twisted rod (16); A rack (18), wherein the rack (18) is fixedly mounted on the top surface of the base plate (8), and the rack (18) is meshingly connected with the transmission gear (17).

6. The ore screening device for multi-stage screening according to claim 5, characterized in that: The reciprocating lifting mechanism comprises: A movable plate (19), wherein the movable plate (19) is sleeved on the outer side of the twisted rod (16), and the movable plate (19) and the twisted rod (16) form a threaded connection structure; A slide bar (20), wherein the slide bar (20) is fixedly mounted on the top surface of the movable plate (19), and the slide bar (20) slides through the bottom surface of the screening box (1), and the slide bar (20) is fixedly mounted through the third sieve plate (6), the second sieve plate (5) and the first sieve plate (4) in sequence.

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