Ore crushing device

Abstract

The utility model relates to the technical field of ore processing equipment, and particularly discloses an ore crushing device which comprises a feed port, an eccentric crushing device and a centrifugal crushing device are arranged in the feed port, the eccentric crushing device comprises an eccentric sleeve, a main shaft is sleeved in the eccentric sleeve, a movable cone is fixed outside the main shaft, and the movable cone is provided with a crushing wall tightly attached to the movable cone. The centrifugal crushing device comprises an auxiliary shaft fixedly connected with the main shaft, a connecting pipe is fixed outside the auxiliary shaft, a protective wall in clearance fit with the connecting pipe is arranged outside the connecting pipe, a plurality of flow guide sets are fixed outside the protective wall, each flow guide set comprises two flow guide plates, and an opening is formed between the flow guide plates. An impact iron plate is arranged outside the flow guide plate, and an eccentric connecting piece is fixed between the main shaft and the auxiliary shaft and is parallel to the main shaft; according to the utility model, stones are crushed in a grading manner, so that the diameter of produced ore grains is reduced, the shapes of the ore grains are smoother, and the output quality of the ore grains is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of ore processing equipment, in particular to an ore crushing device. Background Art

[0002] Ore crushing device is a mineral processing equipment used to crush large pieces of ore into specified particle size. In the process of mineral resource development and utilization, after the ore is mined from the ore body, it is usually large in size and high in hardness. It is not suitable for direct use in mineral processing or other industrial production. It needs to be initially processed by a crushing device. Common ore crushing devices include cone crushers.

[0003] Existing cone crushers can usually only perform extrusion crushing on ore, with a relatively low crushing ratio and a large output of needle-shaped ore particles. Since the needle-shaped ore particles have a large diameter, they cannot be directly used as aggregate or filler in concrete. The needle-shaped ore particles need to be crushed secondary, which will cause additional wear on the cone head and reduce production efficiency.

[0004] The technical problem to be solved by the present application is: how to improve the crushing device so as to reduce wear and tear while improving the quality of the output ore particles. Utility Model Content

[0005] In order to overcome the deficiencies of the prior art, the purpose of the utility model is to provide an ore crushing device, which improves the quality of output ore particles, reduces the wear of the crusher, and improves the output efficiency.

[0006] The technical scheme adopted by the utility model is: an ore crushing device, including a feed inlet, in which an eccentric crushing device and a centrifugal crushing device are arranged in sequence from top to bottom, the eccentric crushing device includes an eccentric sleeve, the eccentric sleeve is provided with a main shaft tightly fitted with the inner wall thereof, a moving cone is fixed outside the main shaft, the moving cone is provided with a crushing wall tightly fitted therewith, and a rolling mortar wall which is gap-matched with the crushing wall is fixed inside the feed inlet;

[0007] The centrifugal crushing device includes a secondary shaft fixedly connected to the main shaft, a connecting pipe is fixed outside the secondary shaft, a protective wall that matches the connecting pipe with a gap is provided outside the connecting pipe, a plurality of guide groups are fixed outside the protective wall, the guide group includes two guide plates, an opening is provided between the two guide plates, an impact iron plate is provided outside the guide plates, an eccentric connecting piece is fixed between the main shaft and the secondary shaft, and the eccentric connecting piece is parallel to the main shaft.

[0008] The stone enters the eccentric crushing device through the feeding port. The eccentric sleeve of the eccentric crushing device keeps the main shaft in an inclined state. The moving cone outside the main shaft squeezes and crushes the stone between the mortar wall. After being squeezed and crushed in the eccentric crushing device, the stone enters the centrifugal crushing device through the discharge outlet. The stone rotates in the protective wall to generate centrifugal effect, and is thrown out from the opening between the two guide plates and hit and crushed with the impact iron plate. The stones are also crushed by hitting each other. The secondary shaft and the main shaft are connected by an eccentric connecting piece so that the two can rotate synchronously. The stone is crushed in stages through the eccentric crushing device and the centrifugal crushing device.

[0009] In some embodiments, an upper frame, a middle frame and a lower frame are fixed in sequence from top to bottom at the bottom of the feed port, a coarse material outlet is opened in the middle frame, and a fine material outlet is opened at the bottom of the lower frame; the upper frame, the middle frame and the lower frame are combined to provide support for the ore crushing device, and the stone enters the centrifugal crushing device through the coarse material outlet after being processed by the eccentric crushing device, and is discharged through the fine material outlet after being processed by the centrifugal crushing device.

[0010] In some embodiments, the eccentric crushing device further comprises a spherical support, the top of the spherical support is fixedly connected to the moving cone, and the bottom of the spherical support is fixedly connected to the eccentric sleeve; the spherical support provides support for the moving cone.

[0011] In some embodiments, the eccentric crushing device further comprises a protective cover sleeved on the top of the main shaft, and a crushing wall tightening ring is fixed between the protective cover and the crushing wall; when the stone enters the device from the feed port, the protective cover protects the main shaft from being damaged.

[0012] In some embodiments, the centrifugal crushing device includes a hydraulic rod fixedly connected to the lower frame, and an impact iron plate is fixed to the telescopic end of the hydraulic rod; the impact iron plate performs impact crushing on the stone, and the hydraulic rod can support and fix the impact iron plate.

[0013] In some embodiments, a turntable fixedly connected to the protective wall is provided under the protective wall, and the turntable is fixed to the outer wall of the secondary shaft; the turntable supports the protective wall and the guide plate.

[0014] In some embodiments, a large gear fixedly connected to the secondary shaft is provided under the secondary shaft, a small gear meshing with the large gear is provided on one side of the large gear, a horizontal shaft fixedly connected to the large gear is provided at the end of the small gear away from the large gear, and a motor fixedly connected to the large gear is provided at the end of the horizontal shaft away from the small gear; the motor drives the secondary shaft to rotate through the horizontal shaft, the small gear and the large gear.

[0015] In some embodiments, a protective shell is provided outside the large gear; the protective shell prevents stones from damaging the motor, the horizontal shaft and the gear during discharge.

[0016] The beneficial effects of the utility model are:

[0017] 1) The utility model reduces the diameter of the output ore particles by graded crushing of the stone by the eccentric crushing device and the centrifugal crushing device, ensures the uniformity and specification consistency of the output ore particles, and makes the shape of the ore particles smoother, ensuring that the stone can meet the standards of concrete aggregate and filler, and effectively improves the output quality of the ore particles.

[0018] 2) The utility model processes stones by adopting a graded crushing method. Compared with the traditional ore crushing device, it can disperse the collision of stones on the device, so that the utility model is less worn during the same use time, effectively extending the service life of the crushing device.

[0019] 3) The utility model adopts a graded crushing method, which shortens the time required for each level of processing, improves the output, and achieves higher crushing efficiency. At the same time, the optimization of the ore crushing process can increase the crushing ratio and reduce the multiple crushing links of the ore, thereby further significantly improving the output efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0021] Figure 2 It is a schematic diagram of the three-dimensional structure inside the protective wall of the utility model.

[0022] In the figure: 1. feeding port; 2. protective cover; 3. main shaft; 4. tightening ring of crushing wall; 5. crushing wall; 6. moving cone; 7. mortar wall; 8. upper frame; 9. middle frame; 10. coarse material outlet; 11. spherical support; 12. eccentric sleeve; 13. lower frame; 14. fine material outlet; 15. hydraulic rod; 16. impact iron plate; 17. secondary shaft; 18. connecting pipe; 19. turntable; 20. guide plate; 21. protective wall; 22. eccentric connector; 23. protective shell; 24. large gear; 25. small gear; 26. horizontal shaft; 27. motor. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1The utility model provides a technical solution: an ore crushing device, including a feeding port 1, a protective cover 2 is arranged in the feeding port 1, a main shaft 3 is embedded in the protective cover 2, a crushing wall tightening ring 4 fixedly connected to the main shaft 3 is provided on the outer sleeve of the main shaft 3, a crushing wall 5 rotatably connected to the main shaft 3 is provided on the side of the crushing wall tightening ring 4 away from the main shaft 3, a moving cone 6 tightly fitted therewith is arranged in the crushing wall 5, the moving cone 6 is fixedly connected to the main shaft 3, a mortar wall 7 with a clearance fit therewith is arranged on the outer sleeve of the crushing wall 5, an upper frame 8 fixedly connected therewith is arranged on the outer side of the mortar wall 7, a middle frame 9 fixedly connected therewith is arranged below the upper frame 8, a coarse material outlet 10 is opened in the middle frame 9, a spherical support 11 fixedly connected therewith is provided on the middle frame 9, the spherical support 11 is tightly fitted with the moving cone 6, an eccentric sleeve 12 is embedded in the middle frame 9, and the inner side of the eccentric sleeve 12 is tightly fitted with the main shaft 3.

[0025] See also Figure 1 to Figure 2 , a lower frame 13 is provided under the middle frame 9 and is fixedly connected thereto, a fine material outlet 14 is provided under the lower frame 13, a hydraulic rod 15 is embedded on the side of the lower frame 13, and an end of the hydraulic rod 15 close to the main shaft 3 is provided with a counter-attack iron plate 16 fixedly connected thereto, a secondary shaft 17 is embedded under the lower frame 13 and is rotatably matched therewith, a connecting pipe 18 is provided on the outer sleeve of the secondary shaft 17 and a rotating disk 19 is provided under the connecting tube 18 and is fixedly connected thereto, a guide plate 20 is provided on the rotating disk 19 and a retaining plate 20 is provided on one side of the guide plate 20 and is fixedly connected thereto The auxiliary shaft 17 is provided with an eccentric connecting piece 22 fixedly connected thereto, and the upper part of the eccentric connecting piece 22 is fixedly connected to the main shaft 3. The lower end of the auxiliary shaft 17 is provided with a protective shell 23 rotatably matched therewith, and the lower end of the auxiliary shaft 17 is provided with a large gear 24 fixedly connected thereto, and one side of the large gear 24 is provided with a small gear 25 meshing therewith, and the side of the small gear 25 away from the large gear 24 is provided with a horizontal shaft 26 fixedly connected thereto, and the horizontal shaft 26 is sleeved in the protective shell 23, and the end of the horizontal shaft 26 away from the small gear 25 is provided with a motor 27 fixedly connected thereto.

[0026] The working principle and use process of the utility model are as follows: when it is necessary to crush the ore, first turn on the motor 27, and drive the secondary shaft 17 to rotate through the cooperation of the horizontal shaft 26, the small gear 25 and the large gear 24. The secondary shaft 17 drives the turntable 19, the protective wall 21 and the guide plate 20 to rotate through the connecting pipe. The secondary shaft 17 drives the main shaft 3 to rotate through the eccentric connecting piece 22. When the main shaft 3 rotates, it is in an inclined state. When the main shaft 3 rotates, the crushing wall 5 on the moving cone 6 is driven to rotate through the crushing wall tightening ring 4. At this time, the stone is poured into the eccentric crushing device from the feed port 1, and is squeezed and crushed by the crushing wall 5 and the rolling mortar wall 7 to produce coarse material. After that, the coarse material enters the centrifugal crushing device through the coarse material outlet 10. The material is accelerated by the turntable 19 and thrown out from between the two guide plates 20 of the guide group along the protective wall 21, and then collides with the impact iron plate 16. At the same time, the coarse materials will also collide and be crushed. The fine materials produced after the coarse materials are crushed are discharged from the ore crushing device through the fine material outlet 14. When the device is in operation, the upper frame 8, the middle frame 9 and the lower frame 13 provide structural support for the feed port 1, the eccentric crushing device and the centrifugal crushing device. The protective shell 23 provides protection for the large gear 24, the small gear 25, the horizontal shaft 26 and the motor 27. The hydraulic rod 15 supports the impact iron plate 16 and can adjust its angle at the same time. The protective cover 2 prevents the stone from entering the feed port 1 and causing damage to the main shaft 3.

[0027] Finally, it should be noted that the above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An ore crushing device, comprising a feed inlet (1), characterized in that: An eccentric crushing device and a centrifugal crushing device are arranged in sequence from top to bottom in the feed inlet (1), the eccentric crushing device comprises an eccentric sleeve (12), a main shaft (3) which is closely fitted to the inner wall of the eccentric sleeve (12) is sleeved inside the eccentric sleeve (12), a moving cone (6) is fixed outside the main shaft (3), the moving cone (6) is provided with a crushing wall (5) which is closely fitted to the main shaft, and a rolling mortar wall (7) which is closely fitted to the crushing wall (5) is fixed inside the feed inlet (1); The centrifugal crushing device comprises a secondary shaft (17) fixedly connected to a main shaft (3); a connecting pipe (18) is fixed outside the secondary shaft (17); a protective wall (21) is provided outside the connecting pipe (18) and is clearance-matched with the connecting pipe; a plurality of guide groups are fixed outside the protective wall (21); the guide groups comprise two guide plates (20); an opening is provided between the two guide plates (20); a counter-attack iron plate (16) is provided outside the guide plates (20); an eccentric connecting piece (22) is fixed between the main shaft (3) and the secondary shaft (17); the eccentric connecting piece (22) is parallel to the main shaft (3).

2. The ore crushing device according to claim 1, characterized in that: An upper frame (8), a middle frame (9) and a lower frame (13) are fixed in sequence at the bottom of the feed inlet (1) from top to bottom; a coarse material outlet (10) is provided in the middle frame (9), and a fine material outlet (14) is provided at the bottom of the lower frame (13).

3. The ore crushing device according to claim 2, characterized in that: The eccentric crushing device further comprises a spherical support (11), the top of the spherical support (11) is fixedly connected to the moving cone (6), and the bottom of the spherical support (11) is fixedly connected to the eccentric sleeve (12).

4. The ore crushing device according to claim 1, characterized in that: The eccentric crushing device further comprises a protective cover (2) sleeved on the top of the main shaft (3), and a crushing wall tightening ring (4) is fixed between the protective cover (2) and the crushing wall (5).

5. The ore crushing device according to claim 2, characterized in that: The centrifugal crushing device comprises a hydraulic rod (15) fixedly connected to the lower frame (13), and the impact iron plate (16) is fixed to the telescopic end of the hydraulic rod (15).

6. The ore crushing device according to claim 1, characterized in that: A rotating disk (19) fixedly connected to the protective wall (21) is provided below the protective wall (21), and the rotating disk (19) is fixed to the outer wall of the secondary shaft (17).

7. The ore crushing device according to claim 1, characterized in that: A large gear (24) fixedly connected to the secondary shaft (17) is provided below the secondary shaft (17); a small gear (25) meshing with the large gear (24) is provided on one side of the large gear (24); a horizontal shaft (26) fixedly connected to the large gear (24) is provided at one end of the small gear (25) away from the large gear (24); and a motor (27) fixedly connected to the small gear (25) is provided at one end of the horizontal shaft (26) away from the small gear (25).

8. The ore crushing device according to claim 7, characterized in that: The large gear (24) is provided with a protective shell (23) outside.

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