Ore crushing device
Technical Field
The utility model relates to the technical field of ore processing equipment, in particular to an ore crushing device.
Background
The ore crushing device is a mineral processing device for crushing massive ores into specified granularity, and is usually large in size and high in hardness after the ores are mined from ore bodies in the development and utilization processes of mineral resources, and is not suitable for being directly used for ore dressing or other industrial production, primary treatment is required through the crushing device, and common ore crushing devices comprise cone crushers.
The existing cone crusher can only crush ores in an extrusion mode, the crushing ratio is relatively low, the output of needle-shaped ore particles is high, the diameter of the needle-shaped ore particles is large, bone materials or filling materials cannot be directly used in concrete, secondary crushing is needed for the needle-shaped ore particles, and then the cone heads are additionally worn, so that the production efficiency is reduced.
The application aims to solve the technical problem of improving the crushing device so as to reduce abrasion and improve the quality of produced ore particles.
Disclosure of utility model
In order to overcome the defects of the prior art, the utility model aims to provide an ore crushing device which improves the quality of produced ore particles, reduces the abrasion of a crusher and improves the output efficiency.
The ore crushing device comprises a feed inlet, wherein an eccentric crushing device and a centrifugal crushing device are sequentially arranged in the feed inlet from top to bottom, the eccentric crushing device comprises an eccentric sleeve, a main shaft tightly attached to the inner wall of the eccentric sleeve is sleeved in the eccentric sleeve, a movable cone is fixed outside the main shaft, the movable cone is provided with a crushing wall tightly attached to the movable cone, and a rolling mortar wall in clearance fit with the crushing wall is fixed in the feed inlet;
The centrifugal crushing device comprises a countershaft fixedly connected with the main shaft, a connecting pipe is fixed outside the countershaft, a protection wall in clearance fit with the connecting pipe is arranged outside the connecting pipe, a plurality of guide groups are fixed outside the protection wall, each guide group comprises two guide plates, an opening is formed between the two guide plates, an impact iron plate is arranged outside the guide plates, an eccentric connecting piece is fixed between the main shaft and the countershaft, and the eccentric connecting piece is parallel to the main shaft.
The stone enters the eccentric crushing device through the feeding hole, the eccentric sleeve of the eccentric crushing device enables the main shaft to be in an inclined state, the movable cone outside the main shaft is extruded between the main shaft and the rolling mortar wall to crush the stone, after the stone is extruded in the eccentric crushing device, the stone enters the centrifugal crushing device through the discharging outlet, centrifugal effect is generated in the protection wall through rotation, the stone is thrown out from the opening between the two guide plates and is hit and crushed with the impact iron plate, the stone can be crushed through mutual hitting, the auxiliary shaft is connected with the main shaft through the eccentric connecting piece, the auxiliary shaft and the main shaft can synchronously rotate, and the stone realizes the grading crushing effect through the eccentric crushing device and the centrifugal crushing device.
In some embodiments, the bottom of the feeding hole is sequentially fixed with an upper frame body, a middle frame body and a lower frame body from top to bottom, a coarse material outlet is formed in the middle frame body, a fine material outlet is formed in the bottom of the lower frame body, the upper frame body, the middle frame body and the lower frame body are combined to provide support for the ore crushing device, and stone materials enter the centrifugal crushing device through the coarse material outlet after being processed by the eccentric crushing device and are discharged through the fine material outlet after being processed by the centrifugal crushing device.
In some embodiments, the eccentric crushing device further comprises a spherical support, wherein the top of the spherical support is fixedly connected with the movable cone, the bottom of the spherical support is fixedly connected with the eccentric sleeve, and the spherical support provides support for the movable cone.
In some embodiments, the eccentric crushing device further comprises a protective cover sleeved at the top of the main shaft, wherein a crushing wall tightening ring is fixed between the protective cover and the crushing wall, and the protective cover can protect the main shaft from being damaged when stone enters the device from the feed inlet.
In some embodiments, the centrifugal crushing device comprises a hydraulic rod fixedly connected with the lower frame body, the impact iron plate is fixed at the telescopic end of the hydraulic rod, the impact iron plate is used for impact crushing of stones, and the hydraulic rod can be used for supporting and fixing the impact iron plate.
In some embodiments, a rotary disk fixedly connected with the protective wall is arranged below the protective wall and fixed on the outer wall of the auxiliary shaft, and the rotary disk plays a role in supporting the protective wall and the guide plate.
In some embodiments, a large gear fixedly connected with the small gear is arranged below the auxiliary shaft, a small gear meshed with the large gear is arranged on one side of the large gear, a horizontal shaft fixedly connected with the small gear is arranged at one end, away from the large gear, of the small gear, an indirect motor is fixed to the small gear, and the motor drives the auxiliary shaft to rotate through the horizontal shaft, the small gear and the large gear.
In some embodiments, a protective housing is provided outside the gearwheel, which prevents stones from damaging the motor, horizontal shaft and gearwheel during discharge.
The utility model has the beneficial effects that:
1) According to the utility model, the stone is crushed in a grading manner through the eccentric crushing device and the centrifugal crushing device, so that the diameter of the produced ore particles is reduced, the uniformity and specification consistency of the granularity of the produced ore are ensured, the shape of the ore particles is smoother, the stone can reach the standards of concrete bones and fillers, and the production quality of the ore particles is effectively improved.
2) Compared with the traditional ore crushing device, the utility model can disperse the collision of the stone on the device, so that the utility model has smaller abrasion in the same service time and effectively prolongs the service life of the crushing device.
3) The utility model adopts a grading crushing mode, the time required by each stage of processing is shorter, the yield is improved, the higher crushing efficiency is realized, meanwhile, the crushing ratio can be increased by optimizing the ore crushing process, and the multiple crushing links of the ore are reduced, so that the yield efficiency is further obviously improved.
Drawings
FIG. 1 is a schematic elevational cross-sectional view of the present utility model;
fig. 2 is a schematic view of the internal perspective structure of the protective wall of the present utility model.
In the figure, 1, a feed inlet; 2, a protective cover, 3, a main shaft, 4, a crushing wall tightening ring, 5, a crushing wall, 6, a movable cone, 7, a rolling mortar wall, 8, an upper frame body, 9, a middle frame body, 10, a coarse material outlet, 11, a spherical support, 12, an eccentric sleeve, 13, a lower frame body, 14, a fine material outlet, 15, a hydraulic rod, 16, an impact iron plate, 17, a secondary shaft, 18, a connecting pipe, 19, a turntable, 20, a guide plate, 21, a protective wall, 22, an eccentric connecting piece, 23, a protective shell, 24, a large gear, 25, a small gear, 26, a horizontal shaft, 27 and a motor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the utility model provides a technical scheme that an ore crushing device comprises a feed inlet 1, a protective cover 2 is arranged in the feed inlet 1, a main shaft 3 is embedded in the protective cover 2, a crushing wall tightening ring 4 fixedly connected with the main shaft 3 is sleeved outside the main shaft 3, a crushing wall 5 rotationally connected with the main shaft 3 is arranged on one side of the crushing wall tightening ring 4 far away from the main shaft 3, a movable cone 6 tightly attached to the crushing wall 5 is arranged in the crushing wall 5, the movable cone 6 is fixedly connected with the main shaft 3, a rolling mortar wall 7 in clearance fit with the crushing wall 5 is sleeved outside the crushing wall 5, an upper frame 8 fixedly connected with the rolling mortar wall is arranged on the outer side of the rolling mortar wall 7, a middle frame 9 fixedly connected with the upper frame 8 is arranged below the upper frame 8, a coarse material outlet 10 is arranged in the middle frame 9, a spherical support 11 fixedly connected with the middle frame 9 is arranged on the middle frame 9, the spherical support 11 is tightly attached to the movable cone 6, an eccentric sleeve 12 is embedded in the middle frame 9, and the inner side of the eccentric sleeve 12 is tightly attached to the main shaft 3.
Referring to fig. 1 to 2, a lower frame 13 fixedly connected with the lower frame 13 is arranged below the middle frame 9, a fine material outlet 14 is formed below the lower frame 13, a hydraulic rod 15 is embedded in the side surface of the lower frame 13, a counter iron plate 16 fixedly connected with the hydraulic rod 15 is arranged at one end, close to the main shaft 3, of the hydraulic rod, a counter shaft 17 in rotating fit with the lower frame 13 is embedded below the lower frame 13, a connecting pipe 18 fixedly connected with the counter shaft 17 is sleeved outside the counter shaft 17, a turntable 19 fixedly connected with the connecting pipe 18 is arranged below the connecting pipe 18, a guide plate 20 fixedly connected with the turntable 19 is arranged on the turntable 19, a protection wall 21 fixedly connected with the guide plate 20 is arranged at one side of the guide plate 20, an eccentric connecting piece 22 fixedly connected with the counter shaft 17 is arranged on the counter shaft 17, a protection shell 23 in rotating fit with the eccentric connecting piece 22 is sleeved outside the lower end of the counter shaft 17, a large gear 24 fixedly connected with the counter shaft 17 is arranged at one side of the counter gear 24, a small gear 25 meshed with the small gear 25 is arranged at one side of the counter shaft 26, a horizontal shaft 26 is sleeved in the protection shell 23, and a motor 27 is fixedly connected with one end, far from the small gear 25 is arranged at the horizontal shaft 26.
When the ore is required to be crushed, the motor 27 is started firstly, the auxiliary shaft 17 is driven to rotate through the cooperation of the horizontal shaft 26, the pinion 25 and the large gear 24, the auxiliary shaft 17 drives the turntable 19, the protection wall 21 and the guide plate 20 to rotate through the connecting pipe, the auxiliary shaft 17 drives the main shaft 3 to rotate through the eccentric connecting piece 22, the main shaft 3 is in an inclined state when rotating, the crushing wall 5 on the movable cone 6 is driven to rotate through the crushing wall shrink ring 4 when the main shaft 3 rotates, at the moment, stones are poured into the eccentric crushing device from the feeding port 1, crushed by the crushing wall 5 and the rolling mortar wall 7, coarse materials enter the centrifugal crushing device through the coarse material outlet 10, the coarse materials are accelerated through the turntable 19 and are thrown out from the position between the two guide plates 20 of the guide group along the protection wall 21, and collide with the impact iron plate 16, meanwhile, the coarse materials generated after crushing can collide and be crushed through the fine material outlet 14, the upper frame 8, the middle frame 9 and the lower frame body 13 are guided out of the ore crushing device through the fine material outlet 14, and the upper frame body 8, the middle frame body 9 and the small frame body 13 are simultaneously provided with the protection plate 25 and the protection plate 2 when the protection shaft is operated, and the protection shaft is adjusted to be in the horizontal shaft and the protection plate 25 and the protection plate 2 is prevented from entering the protection device, and the protection shaft is provided for the protection shaft and the protection device and the protection plate 2.
Finally, it should be noted that the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited to the foregoing embodiments, but may be modified or substituted for some of the features described in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.