Ore crushing and screening device for mining

Abstract

The ore crushing and screening device for mining comprises a screening box, a crushing box is fixedly communicated with the top end of the screening box and located at the position of a discharging opening, a discharging box is fixedly communicated with the top end of the crushing box, and a separation shaft is rotationally connected into the discharging box. The crushing roller rotates to drive the transmission belt to rotate, so that the adjusting disc is driven by the transmission belt to rotate, and in the rotating process of the adjusting disc, the shifting rod periodically enters the shifting groove to drive the special-shaped disc to indirectly rotate, so that the separation shaft is driven to indirectly rotate; according to the intermittent ore discharging device, the intermittent ore discharging effect is achieved, the phenomenon that materials are stacked and cannot be fully crushed due to excessive ore can be effectively prevented, the crushing effect is guaranteed, the materials falling into the screening box cannot be stacked due to intermittent crushing, and the screening efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of crushing and screening, in particular to an ore crushing and screening device used in mining. Background Art

[0002] Ore refers to a mineral aggregate from which useful components can be extracted or which itself has certain properties that can be utilized. It can be divided into metallic minerals and non-metallic minerals. Ore crushing and screening is an important link in mining production, which has a direct impact on the quality and output of the ore.

[0003] In the prior art, for example, Chinese patent CN220345943U discloses "an ore crushing and screening device", comprising a main body, a No. 3 opening is opened at the upper end of the surface of one end of the main body, a shell is fixedly installed at the upper end of the surface of one end of the main body, a crushing structure is arranged inside the shell, a medium material collecting trough is fixedly installed near the lower end of the other end surface of the main body, a coarse material collecting trough is fixedly installed at the upper end of the other end surface of the main body, a No. 1 opening is opened in the middle of the surface of the other end of the main body, a No. 2 opening is opened at the lower middle of the surface of one end of the main body, and a box door is fixedly connected to the other end surface of the coarse material collecting trough near the lower end, the other end of the medium material collecting trough and the lower end of the main body surface.

[0004] At present, most of the ore crushing and screening devices directly pile up the raw materials in the storage hopper during the ore crushing and screening process, and make them fall into the crushing box continuously under the action of gravity for crushing and discharging. This can easily lead to the accumulation of crushed ore in the screening box, which can easily cause part of the ore to be at the top of the material pile, making it difficult to be directly screened, thereby reducing the screening efficiency. Utility Model Content

[0005] The purpose of the utility model is to provide an ore crushing and screening device for mining to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an ore crushing and screening device used in mining, comprising a screening box, a crushing box is fixedly connected to the top of the screening box and located at the discharge port, a discharge box is fixedly connected to the top of the crushing box, a partition shaft is rotatably connected inside the discharge box, one end of the partition shaft passes through a side wall inside the discharge box and is fixedly connected to a special-shaped disk, four shifting grooves are provided on the outer surface of the special-shaped disk, an adjusting disk is rotatably connected to one side of the discharge box, a shift rod is fixedly connected to one end of the adjusting disk and near the edge, and the outer surface of the shift rod is slidably connected to the inside of any of the shifting grooves.

[0007] As a further preferred embodiment of the present technical solution, two sliding rods are fixedly connected to the inner bottom surface of the screening box, the top ends of the two sliding rods are slidably connected to a movable box, the top end of the screening box is fixedly connected to a positioning seat, a T-shaped rod is slidably connected inside the positioning seat, a driven block is slidably connected inside the T-shaped rod, the top end of the driven block is rotatably connected to a toggle rod, the top end of the toggle rod is transmission-connected to a drive motor, and the outer surface of the drive motor is fixedly connected to the top end of the screening box.

[0008] As a further preferred embodiment of the present technical solution, a No. 1 screen plate, a No. 2 screen plate and a No. 3 screen plate are fixedly connected inside the movable box in sequence from top to bottom, and the diameters of the sieve holes on the No. 1 screen plate, the No. 2 screen plate and the No. 3 screen plate decrease in sequence.

[0009] As a further preferred embodiment of the present technical solution, the bottom end of the screening box is fixedly connected to a lower hopper, and one end of the No. 1 screening plate, the No. 2 screening plate and the No. 3 screening plate are all fixedly connected to a guide hopper.

[0010] As a further preferred embodiment of the present technical solution, four limiting grooves are formed on the outer surface of the special-shaped disk, one end of the adjusting disk is fixedly connected to the limiting disk, and the outer surface of the limiting disk is movably engaged with the inside of any limiting groove 10 .

[0011] As a further preferred embodiment of the present technical solution, two crushing rollers are rotatably connected inside the crushing box, one end of one of the crushing rollers passes through a side wall inside the crushing box and is transmission-connected to a reduction motor, the other ends of the two crushing rollers pass through a side wall inside the crushing box and are fixedly connected to driven gears, the outer surfaces of the two driven gears are meshed, one end of one of the driven gears is transmission-connected to a transmission belt, and the inner surface of the transmission belt is transmission-connected to one end of the adjusting disk.

[0012] The utility model provides an ore crushing and screening device for mining, which has the following beneficial effects:

[0013] (1) The utility model drives the transmission belt to rotate by the rotation of the crushing roller, so that the adjusting disk rotates under the drive of the transmission belt. During the rotation of the adjusting disk, the shifting rod periodically enters the shifting groove, driving the special-shaped disk to rotate indirectly, thereby driving the dividing shaft to rotate indirectly, achieving the intermittent feeding effect of ore, and can effectively prevent the phenomenon of material accumulation and inability to be fully crushed due to excessive ore, thereby ensuring the crushing effect. In addition, the intermittent crushing can prevent the material falling into the screening box from stacking, thereby improving the screening efficiency.

[0014] (2) The utility model starts by driving the motor and drives the toggle rod to rotate, drives the driven block to slide inside the T-bar, and drags the T-bar to slide back and forth inside the positioning seat during the sliding process, thereby driving the movable box in the screening box to move back and forth, and the ore to be screened rolls on the No. 1 screening plate in the movable box, and during the rolling process, the ore that does not meet the requirements falls into the No. 2 screening plate, and then similarly, thereby realizing the grading and screening of the ore, and the ore will not accumulate during the sorting process, thereby improving the ore sorting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a first structural schematic diagram of the utility model as a whole;

[0016] Figure 2 It is a second structural schematic diagram of the utility model as a whole;

[0017] Figure 3 It is a schematic diagram of the internal structure of the crushing box and the feeding box of the utility model;

[0018] Figure 4 It is a schematic diagram of the internal structure of the screening box of the utility model.

[0019] In the figure: 1. Screening box; 2. Crushing box; 3. Feeding box; 4. Separating shaft; 5. Special-shaped disc; 6. Adjusting disc; 7. Push rod; 8. Push slot; 9. Limiting disc; 10. Limiting slot; 11. Crushing roller; 12. Driven gear; 13. Transmission belt; 14. Speed ​​reduction motor; 15. Sliding rod; 16. Movable box; 17. Positioning seat; 18. T-bar; 19. Driven block; 20. Push rod; 21. Driving motor; 22. Screening plate No. 1; 23. Screening plate No. 2; 24. Screening plate No. 3; 25. Feeding hopper; 26. Guide hopper. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0021] The utility model provides a technical solution: Figure 1-3As shown, in the present embodiment, a device for crushing and screening ore for mining is provided, including a screening box 1, a crushing box 2 is fixedly connected to the top of the screening box 1 and located at the discharge port, a discharge box 3 is fixedly connected to the top of the crushing box 2, a dividing shaft 4 is rotatably connected inside the discharge box 3, one end of the dividing shaft 4 passes through a side wall inside the discharge box 3 and is fixedly connected to a special-shaped disk 5, four shifting grooves 8 are provided on the outer surface of the special-shaped disk 5, an adjusting disk 6 is rotatably connected to one side of the discharge box 3, a shifting rod 7 is fixedly connected to one end of the adjusting disk 6 and near the edge, the outer surface of the shifting rod 7 is slidably connected to the inside of any shifting groove 8, wherein, by setting the shifting rod 7, it can periodically enter into the adjacent shifting groove 8 during the rotation of the adjusting disk 6, thereby pushing the special-shaped disk 5 to rotate.

[0022] like Figure 1 and Figure 4 As shown, two sliding rods 15 are fixedly connected to the inner bottom surface of the screening box 1, and the top ends of the two sliding rods 15 are slidably connected to a movable box 16. A positioning seat 17 is fixedly connected to the top end of the screening box 1, and a T-bar 18 is slidably connected inside the positioning seat 17. A driven block 19 is slidably connected inside the T-bar 18. A toggle rod 20 is rotatably connected to the top end of the driven block 19, and a driving motor 21 is transmission-connected to the top end of the toggle rod 20. The outer surface of the driving motor 21 is fixedly connected to the top end of the screening box 1. By setting the toggle rod 20, the driven block 19 can be driven to move. By setting the T-bar 18, reciprocating motion can be performed under the action of the positioning seat 17 and the driven block 19, thereby realizing the periodic shaking of the movable box 16.

[0023] like Figure 4 As shown, inside the movable box 16, there are screen plates No. 1 22, No. 2 23 and No. 3 24 fixedly connected in sequence from top to bottom, and the diameters of the sieve holes on the screen plates No. 1 22, No. 2 23 and No. 3 24 decrease in sequence. By setting the screen plates No. 1 22, No. 2 23 and No. 3 24, graded screening can be performed.

[0024] like Figure 4 As shown, the bottom end of the screening box 1 is fixedly connected to a lower hopper 25, and one end of the No. 1 screening plate 22, the No. 2 screening plate 23 and the No. 3 screening plate 24 are fixedly connected to a guide hopper 26, which can guide materials and facilitate the collection of materials.

[0025] like Figure 3 As shown, four limiting grooves 10 are provided on the outer surface of the special-shaped disk 5, and one end of the adjusting disk 6 is fixedly connected to the limiting disk 9. The outer surface of the limiting disk 9 is movably engaged with the inside of any limiting groove 10, which can limit the special-shaped disk 5 to prevent skewing and improve stability.

[0026] like Figure 2 and Figure 3As shown, there are two crushing rollers 11 rotatably connected inside the crushing box 2, one end of one of the crushing rollers 11 passes through a side wall inside the crushing box 2 and is transmission-connected to a reduction motor 14, the other ends of the two crushing rollers 11 pass through a side wall inside the crushing box 2 and are fixedly connected to a driven gear 12, the outer surfaces of the two driven gears 12 are meshed with each other, one end of one of the driven gears 12 is transmission-connected to a transmission belt 13, the inner surface of the transmission belt 13 is transmission-connected to one end of the adjusting disk 6, and by providing the transmission belt 13, the adjusting disk 5 can be driven to rotate during the operation of the crushing roller 11, thereby achieving a reduction drive effect.

[0027] The utility model provides an ore crushing and screening device for mining, and the specific working principle is as follows:

[0028] The staff pours the ore into the discharge box 3, and then starts the drive motor 21 and the reduction motor 14. The reduction motor 14 drives the two crushing rollers 11 to rotate, and the rotation of the crushing rollers 11 drives the transmission belt 13 to rotate, so that the adjusting disk 6 rotates under the drive of the transmission belt 13. During the rotation of the adjusting disk 6, the lever 7 periodically enters the lever groove 8, driving the special-shaped disk 5 to rotate indirectly, thereby driving the separation shaft 4 to rotate indirectly, and intermittently discharges the ore. The falling ore is under the action of the two crushing rollers 11. The ore is crushed and falls into the screening box 1, the driving motor 21 is started and drives the toggle rod 20 to rotate, driving the driven block 19 to slide inside the T-bar 18, and in the process of sliding, the T-bar 18 is dragged to slide back and forth inside the positioning seat 17, thereby driving the movable box 16 in the screening box 1 to move back and forth, and the ore to be screened rolls on the No. 1 screening plate 22 in the movable box 16, and in the process of rolling, the ore that does not meet the requirements falls into the No. 2 screening plate 23, and then the ore is graded and screened in the same way.

[0029] 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. A device for crushing and screening ore for mining, comprising a screening box (1), characterized in that: The top of the screening box (1) is fixedly connected to a crushing box (2) at the discharge port position, and the top of the crushing box (2) is fixedly connected to a discharge box (3). A partition shaft (4) is rotatably connected inside the discharge box (3). One end of the partition shaft (4) passes through a side wall inside the discharge box (3) and is fixedly connected to a special-shaped disk (5). Four shifting grooves (8) are provided on the outer surface of the special-shaped disk (5). An adjustment disk (6) is rotatably connected to one side of the discharge box (3). A shifting rod (7) is fixedly connected to one end of the adjustment disk (6) and near the edge position, and the outer surface of the shifting rod (7) is slidably connected to the inside of any of the shifting grooves (8).

2. The ore crushing and screening device for mining according to claim 1, characterized in that: The bottom surface of the screening box (1) is fixedly connected to two sliding rods (15), the top ends of the two sliding rods (15) are slidably connected to a movable box (16), the top end of the screening box (1) is fixedly connected to a positioning seat (17), a T-shaped rod (18) is slidably connected inside the positioning seat (17), a driven block (19) is slidably connected inside the T-shaped rod (18), the top end of the driven block (19) is rotatably connected to a toggle rod (20), the top end of the toggle rod (20) is transmission-connected to a drive motor (21), and the outer surface of the drive motor (21) is fixedly connected to the top end of the screening box (1).

3. The ore crushing and screening device for mining according to claim 2 is characterized in that: A first sieve plate (22), a second sieve plate (23) and a third sieve plate (24) are fixedly connected in sequence from top to bottom inside the movable box (16), and the diameters of the sieve holes on the first sieve plate (22), the second sieve plate (23) and the third sieve plate (24) decrease in sequence.

4. The ore crushing and screening device for mining according to claim 3 is characterized by: The bottom end of the screening box (1) is fixedly connected to a lower hopper (25), and one end of the No. 1 screening plate (22), the No. 2 screening plate (23) and the No. 3 screening plate (24) are all fixedly connected to a guide hopper (26).

5. The ore crushing and screening device for mining according to claim 1, characterized in that: The outer surface of the special-shaped disk (5) is provided with four limiting grooves (10); one end of the adjustment disk (6) is fixedly connected to the limiting disk (9); the outer surface of the limiting disk (9) is movably engaged with the interior of any of the limiting grooves (10).

6. The ore crushing and screening device for mining according to claim 1, characterized in that: Two crushing rollers (11) are rotatably connected inside the crushing box (2), one end of one of the crushing rollers (11) passes through a side wall inside the crushing box (2) and is transmission-connected to a reduction motor (14), and the other ends of the two crushing rollers (11) pass through a side wall inside the crushing box (2) and are fixedly connected to a driven gear (12), the outer surfaces of the two driven gears (12) are meshed with each other, one end of one of the driven gears (12) is transmission-connected to a transmission belt (13), and the inner surface of the transmission belt (13) is transmission-connected to one end of the adjustment disk (6).

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