CN112718135B - Ball mill - Google Patents
Ball mill Download PDFInfo
- Publication number
- CN112718135B CN112718135B CN202011579668.8A CN202011579668A CN112718135B CN 112718135 B CN112718135 B CN 112718135B CN 202011579668 A CN202011579668 A CN 202011579668A CN 112718135 B CN112718135 B CN 112718135B
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- bin
- grinding
- frame
- inner layer
- ball mill
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- 238000000227 grinding Methods 0.000 claims abstract description 128
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000003860 storage Methods 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 24
- 239000003638 chemical reducing agent Substances 0.000 claims description 16
- 238000005096 rolling process Methods 0.000 claims description 14
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 3
- 238000003801 milling Methods 0.000 claims 7
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000000498 ball milling Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 39
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 239000004519 grease Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000004566 building material Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000009837 dry grinding Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 238000001238 wet grinding Methods 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000002241 glass-ceramic Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/10—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with one or a few disintegrating members arranged in the container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/24—Driving mechanisms
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
本发明公开了一种球磨机，包括机架以及磨仓，所述磨仓设置机架上，所述机架上设置有驱动控制机构，所述驱动控制机构与磨仓的中部相连接，所述磨仓的两端位置上对称设置有包覆式支撑机构，所述包覆式支撑机构与机架相连接，所述磨仓内设置有分层式研磨机构，本发明磨仓外部中端设置驱动控制机构，同时在磨仓的两端设置包覆式支撑机构，对磨仓进行限位支撑，配合驱动控制机构对磨仓进行回转控制，从而实现在高速转动状态下，磨仓保持稳定，有效的提高球磨加工效率，并在磨仓内设置分层式研磨机构，进一步提高研磨体的使用寿命，延长维护保养的时间间隔，从而降低球磨机的使用成本，进而降低生产成本，结构简单，稳定性好。
The present invention discloses a ball mill, comprising a frame and a grinding bin, wherein the grinding bin is arranged on the frame, a driving control mechanism is arranged on the frame, the driving control mechanism is connected to the middle part of the grinding bin, and a sheathed support mechanism is symmetrically arranged at both ends of the grinding bin, the sheathed support mechanism is connected to the frame, and a layered grinding mechanism is arranged in the grinding bin. The present invention provides a driving control mechanism at the middle end of the outer portion of the grinding bin, and at the same time, sheathed support mechanisms are arranged at both ends of the grinding bin to provide position-limiting support for the grinding bin, and cooperate with the driving control mechanism to control the rotation of the grinding bin, so as to achieve the grinding bin remaining stable under high-speed rotation, effectively improve the ball milling processing efficiency, and provide a layered grinding mechanism in the grinding bin to further improve the service life of the grinding body, extend the maintenance time interval, thereby reducing the use cost of the ball mill, and then reducing the production cost, and the structure is simple and the stability is good.
Description
Technical Field
The invention relates to the technical field of ball mills, in particular to a ball mill.
Background
The ball mill is a key device for crushing materials after being crushed, is widely applied to the production industries of cement, silicate products, novel building materials, refractory materials, fertilizers, black and nonferrous metal ore dressing, glass ceramics and the like, carries out dry or wet grinding on various ores and other grindability materials, is suitable for grinding various ores and other materials, is widely applied to the industries of ore dressing, building materials, chemical industry and the like, can be divided into dry grinding modes and wet grinding modes, can be divided into two grinding modes according to different ore discharging modes, and consists of a horizontal barrel, a feeding and discharging hollow shaft, a grinding head and the like, wherein the barrel is a long barrel, a grinding body is arranged in the barrel, the barrel is manufactured by a steel plate, a steel lining plate and the barrel are fixed, the grinding body is generally a steel ball, and is filled into the barrel according to different diameters and certain proportions, the grinding body can also use steel section, according to the granularity of grinding material, the material is loaded into the cylinder body by hollow shaft of feeding end of ball mill, when the ball mill cylinder body is rotated, the grinding body is attached on the cylinder body lining plate due to the action of inertia and centrifugal force, and is taken away by cylinder body, when it is brought to a certain height, the fallen grinding body can be thrown down by self gravity action, the material in the cylinder body can be broken up like projectile body, the material can be fed into first chamber of mill uniformly by means of feeding device through hollow shaft screw, the stepped lining plate or corrugated lining plate can be placed in the chamber, and the steel balls with various specifications can be placed in the chamber, and after the cylinder body is rotated to produce centrifugal force to bring the steel balls to a certain height, the steel balls can be fallen down, and can produce heavy impact and grinding action on the material, and because the mill itself is longer, and the rotating shaft is easy to deform due to all weight of the rotation of the ball mill, and vibration is greater when the ball mill is operated, the damage is caused to the device assembly easily, and part of ball mill adopts external drive to grind the storehouse and controls, but its rotational speed is mainly lower, influences ball-milling machining efficiency, and grinding storehouse inner structure among the prior art is comparatively simple simultaneously, and the operation in-process grinds the body wearing and tearing very fast, needs often to change the grinding body, and manufacturing cost is higher, and in view of this, to above-mentioned problem intensive study, has the scheme to produce.
Disclosure of Invention
The invention aims to solve the problems, and designs the ball mill, which solves the problems that in the prior art, as the mill is longer, the rotating shaft bears all weights and is easy to deform, vibration is large when the ball mill works, damage to a device component is easy to occur, part of the ball mill adopts external drive to control a grinding bin, but the rotating speed is low, the ball milling processing efficiency is influenced, meanwhile, the internal structure of the grinding bin in the prior art is simpler, grinding bodies are worn faster, the grinding bodies are required to be replaced frequently in the operation process, and the production cost is high.
The ball mill comprises a frame and a grinding bin, wherein the grinding bin is arranged on the frame, a driving control mechanism is arranged on the frame and connected with the middle part of the grinding bin, coating type supporting mechanisms are symmetrically arranged at the two ends of the grinding bin and connected with the frame, and a layered grinding mechanism is arranged in the grinding bin;
The driving control mechanism comprises a fixed ring, a gear ring, an auxiliary limiting component and a driving control structure, wherein the fixed ring is welded on the middle position of the outer side wall surface of the grinding bin, the gear ring is fixedly sleeved on the fixed ring, the auxiliary limiting component is arranged on the frame, one end of the auxiliary limiting component is meshed with the gear ring, and the driving control structure is provided with one side of the frame, and one end of the driving control structure is meshed with the gear ring;
The wrapping type supporting mechanism comprises a vertical frame, an annular frame and a rolling supporting component, wherein the vertical frame is arranged on the frame and positioned at the lower part of the grinding bin, the annular frame is sleeved outside the grinding bin and fixedly connected with the vertical frame, and the rolling supporting component is arranged in the annular frame and is in sliding connection with the outer side wall surface of the grinding bin;
the layered grinding mechanism comprises a support frame, an inner layer bin body, an inner layer grinding assembly and an outer layer grinding assembly, wherein the support frame is arranged in the grinding bin, the inner layer bin body is arranged on the support frame, a certain distance is reserved between the inner layer bin body and the inner annular surface of the grinding bin, a plurality of discharging holes are uniformly formed in the side wall of the inner layer bin body, the inner layer grinding assembly is arranged on the inner annular surface of the inner layer bin body and is staggered with the discharging holes, and the outer layer grinding assembly is arranged on the inner annular surface of the grinding bin.
The auxiliary limiting assembly comprises a fixed seat, a door-shaped frame and an auxiliary gear, wherein the fixed seat is arranged on the frame, the door-shaped frame is arranged on the fixed seat, and the auxiliary gear is rotatably sleeved on a cross beam of the door-shaped frame and meshed with the gear ring.
The driving control structure comprises a driving motor, a speed reducer and a transmission connecting assembly, wherein the driving motor is arranged on the frame and positioned on one side of the grinding bin, the input end of the speed reducer is connected with the driving end of the driving motor, one end of the transmission connecting assembly is connected with the output end of the speed reducer, and the other end of the transmission connecting assembly is meshed with the gear ring.
The transmission connecting assembly comprises a fixing frame, a transmission shaft, a driving gear and a driven gear, wherein the fixing frame is arranged on one side of the output end of the speed reducer, the transmission shaft is rotatably inserted in the fixing frame, one end of the transmission shaft is connected with the output end of the speed reducer, the driving gear is fixedly sleeved on the transmission shaft, and the driven gear is rotatably arranged in the fixing frame and is respectively meshed with the driving gear and the gear ring.
The auxiliary oiling component comprises an oil storage bin, an oiling nozzle, an air cylinder, a movable rod and a push plate, wherein the oil storage bin is arranged on one side of the fixed frame, one end of the oil storage bin is opposite to one side of the driven gear, the oiling nozzle is inserted into one end of the oil storage bin and opposite to the driven gear, the air cylinder is arranged on one side of the oil storage bin, one end of the movable rod is connected with a piston end of the air cylinder, the other end of the movable rod extends into the oil storage bin, the push plate is arranged in the oil storage bin and connected with the movable rod, and the size of the push plate is matched with the inner diameter of the oil storage bin.
The rolling support assembly comprises an annular groove, a bearing and a sliding ring, wherein the annular groove is arranged on the inner side wall surface of the annular frame, the bearing is fixedly arranged in the annular groove, and the sliding ring is fixedly sleeved on the outer side wall surface of the grinding bin and in interference fit with the bearing inner ring.
The inner layer grinding assembly comprises a bolt connecting piece and an impact column, wherein the bolt connecting piece is arranged on the inner ring surface of the inner layer bin body, one end of the bolt connecting piece extends out of the inner layer bin body, and the impact column is fixedly arranged in the inner layer bin body and fixedly connected with one end of the bolt connecting piece.
The bolt connecting piece comprises a positioning stud, a fastening nut and a connecting seat, wherein a plurality of assembly threaded holes are formed in the inner layer bin body, the positioning stud is screwed in the threaded holes, one end of the positioning stud extends out of the inner layer bin body, the fastening nut is spirally sleeved on the exposed end of the positioning stud, the connecting seat is welded on the other end of the positioning stud and is attached to the inner layer bin body, and the connecting seat is fixedly connected with the impact column.
The outer layer grinding component comprises corrugated grooves and convex teeth, wherein the corrugated grooves are arranged on the inner annular surface of the grinding bin along the annular array, and the convex teeth are uniformly arranged on the side walls of the corrugated grooves.
The grinding bin and the inner layer bin body are of wear-resistant alloy steel cylinder structures.
The ball mill manufactured by the technical scheme of the invention is characterized in that the grinding bin is arranged on the frame, the driving control mechanism is arranged at the middle end outside the grinding bin to control the rotation of the grinding bin, meanwhile, the cladding type supporting mechanisms are arranged at the two ends of the grinding bin to limit and support the grinding bin, and the driving control mechanism is matched to control the rotation of the grinding bin, so that the grinding bin is kept stable under the high-speed rotation state, the ball milling processing efficiency is effectively improved, the layered grinding mechanism is arranged in the grinding bin, the service life of a grinding body is further prolonged, the maintenance time interval is prolonged, the use cost of the ball mill is reduced, the production cost is further reduced, the structure is simple, the stability is good, and the problems that in the prior art, the rotating shaft is easy to deform due to the fact that the grinding machine is long, the vibration is easy to cause damage to a device component during the operation of the ball mill, the grinding bin is controlled by adopting external driving, but the rotating speed is low, the internal structure of the grinding bin in the prior art is simple, the grinding process is worn out, the grinding body is required to be replaced frequently, and the production cost is high are solved.
Drawings
Fig. 1 is a schematic diagram of a front view structure of a ball mill according to the present invention.
FIG. 2 is a schematic view showing a sectional side view of the ball mill at position A-A according to the present invention.
FIG. 3 is a schematic side sectional view of a ball mill according to the present invention at position B-B.
Fig. 4 is a schematic view of a partial enlarged structure of an auxiliary oiling assembly of a ball mill according to the present invention.
Fig. 5 is a schematic cross-sectional view of an inner grinding assembly of a ball mill according to the present invention.
The device comprises a 1-frame, a 2-grinding bin, a 3-fixed ring, a 4-gear ring, a 5-vertical frame, a 6-annular frame, a 7-supporting frame, an 8-inner layer bin body, a 9-fixed seat, a 10-door-shaped frame, an 11-auxiliary gear, a 12-driving motor, a 13-speed reducer, a 14-fixed frame, a 15-transmission shaft, a 16-driving gear, a 17-driven gear, an 18-oil storage bin, a 19-oiling nozzle, a 20-cylinder, a 21-movable rod, a 22-push plate, a 23-annular groove, a 24-bearing, a 25-sliding ring, a 26-impact column, a 27-positioning stud, a 28-fastening nut, a 29-connecting seat, a 30-corrugated groove and a 31-convex tooth.
Detailed Description
The present invention is specifically described below with reference to the accompanying drawings, as shown in fig. 1-5, all the electrical components in the present invention are connected with the power supply adapted thereto by wires by a person skilled in the art, and an appropriate controller should be selected according to the actual situation, so as to meet the control requirements, specific connection and control sequence, and in the following working principles, the sequential working sequence between the electrical components should be referred to complete the electrical connection, and the detailed connection means thereof are known in the art, and the following main description of the working principles and processes will not be provided for explaining the electrical control.
1-5, The scheme comprises a frame 1 and a grinding bin 2, wherein the position relation and the connection relation are as follows, the grinding bin 2 is arranged on the frame 1, a driving control mechanism is arranged on the frame 1 and is connected with the middle part of the grinding bin 2, coating type supporting mechanisms are symmetrically arranged at the two ends of the grinding bin 2 and are connected with the frame 1, and a layered grinding mechanism is arranged in the grinding bin 2;
The driving control mechanism comprises a fixed ring 3, a gear ring 4, an auxiliary limiting component and a driving control structure, wherein the fixed ring 3 is welded on the middle position of the outer side wall surface of the grinding bin 2, the gear ring 4 is fixedly sleeved on the fixed ring 3, the auxiliary limiting component is arranged on the frame 1, one end of the auxiliary limiting component is meshed with the gear ring 4, and the driving control structure is arranged on one side of the frame 1, and one end of the auxiliary limiting component is meshed with the gear ring 4; the layered grinding mechanism comprises a support frame 7, an inner layer bin body 8, an inner layer grinding component and an outer layer grinding component, wherein the support frame 7 is arranged in the grinding bin 2, the inner layer bin body 8 is arranged on the support frame 7, a certain distance is reserved between the inner layer bin body and the inner annular surface of the grinding bin 2, a plurality of discharge holes are uniformly formed in the side wall of the inner layer bin body 8, the inner layer grinding component is arranged on the inner annular surface of the inner layer bin body 8 and is staggered with the discharge holes, the outer layer grinding component is arranged on the inner annular surface of the grinding bin 2, the grinding bin 2 is arranged on the frame 1, the middle end of the outer part of the grinding bin 2 is provided with a driving control mechanism for controlling the rotation of the grinding bin 2, meanwhile, the two ends of the grinding bin 2 are provided with the layered support mechanism, the layered support mechanism is matched with the driving control mechanism for controlling the rotation of the grinding bin 2, the rolling mechanism is further controlled by the layered grinding bin 2, the rolling efficiency is further improved, the rolling efficiency of the grinding bin 2 is further improved, the rolling grinding efficiency is further improved, the rolling efficiency is controlled by the layered grinding mechanism is controlled, the rolling of the grinding bin 2 is further improved, and the grinding efficiency is further improved, the time interval of maintenance is prolonged to reduce the use cost of ball mill, and then reduce manufacturing cost, simple structure, stability is good.
As can be seen from fig. 1 to 5 of the specification, in the implementation process, the auxiliary limiting assembly includes: the drive control structure comprises a drive motor 12, a speed reducer 13 and a transmission connecting component, wherein the drive motor 12 is arranged on the frame 1 and positioned on one side of a grinding bin 2, the input end of the speed reducer 13 is connected with the drive end of the drive motor 12, one end of the transmission connecting component is connected with the output end of the speed reducer 13, the other end of the transmission connecting component is meshed with the gear ring 4, the transmission connecting component comprises a fixed frame 14, a transmission shaft 15, a driving gear 16 and a driven gear 17, the fixed frame 14 is arranged on one side of the output end of the speed reducer, the transmission shaft 15 is rotatably inserted in the fixed frame 14, one end of the driving gear 16 is connected with the output end of the speed reducer 13, the driving gear 16 is fixedly sleeved on the transmission shaft 15, the driven gear 17 is rotatably arranged in the fixed frame 14 and is respectively meshed with the driving gear 16 and the gear ring gear 4, when in use, the drive motor 12 is started, the rotary drive end of the drive motor 12 is driven, one end of the driving gear 13 is rotatably driven by the driving gear 16, the driven gear 16 is rotatably driven by the driving gear 13, and the driven gear 13 is rotatably driven by the driving gear 13, and is rotatably driven by the driving gear 13, thereby realizing the rotation control of the grinding bin 2.
As can be seen from fig. 1 and fig. 5 of the specification, in the specific implementation process, the fixing frame 14 is provided with an auxiliary oiling component, the auxiliary oiling component comprises an oil storage bin 18, an oiling nozzle 19, a cylinder 20, a movable rod 21 and a push plate 22, the oil storage bin 18 is arranged on one side of the fixing frame 14, one end of the oiling nozzle 19 is opposite to one side of the driven gear 17, the oiling nozzle 19 is inserted into one end of the oil storage bin 18 and opposite to the driven gear 17, the cylinder 20 is arranged on one side of the oil storage bin 18, one end of the movable rod 21 is connected with the piston end of the cylinder 20, the other end of the movable rod 21 extends into the oil storage bin 18, the push plate 22 is arranged in the oil storage bin 18 and is connected with the movable rod 21, the size of the push plate 22 is matched with the inner diameter size of the oil storage bin 18, when the grease storage bin 18 is placed in a block shape, the piston end of the cylinder 20 is controlled to expand at a constant speed, so that the movable rod 21 is pushed to move to one side of the oil storage bin 18, the movable rod 21 is pushed to move in the process, so that the grease in the oil storage bin 18 is pushed to move, and the grease in the oil storage bin 18 is pushed, so that the grease is pushed to move, and the grease is pushed to the oil storage bin 18 to move to the driven gear 17, and the driven gear 17 is required to be manually to be rotated, and the driven by the driven gear 17.
In a specific implementation process, the rolling support assembly comprises an annular groove 23, a bearing 24 and a sliding ring 25, wherein the annular groove 23 is arranged on the inner side wall surface of the annular frame 6, the bearing 24 is fixedly arranged in the annular groove 23, the sliding ring 25 is fixedly sleeved on the outer side wall surface of the grinding bin 2 and in interference fit with the inner ring of the bearing 24, and the rolling support assembly can effectively prevent shaking caused by high-speed rotation of the grinding bin 2 on the basis of ensuring stable rotation of the grinding bin 2, so that a transmission position is protected.
In a specific implementation process, the inner layer grinding assembly comprises a bolt connecting piece and an impact post 26, wherein the bolt connecting piece is arranged on the inner ring surface of the inner layer bin body 8, one end of the bolt connecting piece extends out of the inner layer bin body, the impact post 26 is fixedly arranged in the inner layer bin body 8 and is fixedly connected with one end of the bolt connecting piece, the bolt connecting piece comprises a positioning stud 27, a fastening nut 28 and a connecting seat 29, a plurality of assembly threaded holes are formed in the inner layer bin body 8, the positioning stud 27 is screwed into the threaded holes, one end of the positioning stud 27 extends out of the inner layer bin body 8, the fastening nut 28 is sleeved on the exposed end of the positioning stud 27 in a spiral manner, the connecting seat 29 is welded on the other end of the positioning stud 27 and is attached to the inner layer bin body 8, the connecting seat 29 is fixedly connected with the impact post 26, and when the impact post 26 is required to be replaced, the inner layer bin body 8 can be removed from the support frame 7, and then the fastening nut on the exposed end of the positioning stud 27 is removed, so that the whole impact post 26 is replaced, and the maintenance efficiency is improved.
In a specific implementation process, the outer layer grinding assembly comprises a corrugated groove 30 and convex teeth 31, wherein the corrugated groove 30 is arranged on the inner annular surface of the grinding bin 2 along an annular array, the convex teeth 31 are uniformly arranged on the side wall of the corrugated groove 30, fine particles after preliminary grinding are carried out through the inner layer bin body 8, and then the fine particles further collide with the corrugated groove 30 and the convex teeth 31 along with the rotation of the grinding bin 2 in an interlayer space between the grinding bin 2 and the inner layer bin body 8, so that the overall efficiency of ball milling operation is improved.
In the concrete implementation process, the grinding bin 2 and the inner bin body 8 are of wear-resistant alloy steel cylinder structures, so that the structural strength can be ensured while the volume space is increased.
To sum up, this ball mill sets up the mill storehouse in the frame, the outside middle-end of mill storehouse sets up drive control mechanism, control the gyration of mill storehouse, simultaneously set up cladding formula supporting mechanism at the both ends of mill storehouse, carry out spacing support to the mill storehouse, cooperation drive control mechanism carries out gyration control to the mill storehouse, thereby realize under the high-speed rotation state, mill storehouse keeps stable, the effectual improvement ball milling machining efficiency, and set up layering grinding mechanism in the mill storehouse, further improve the life of grinding body, the time interval of maintenance is maintained in the extension, thereby reduce the use cost of ball mill, and then reduce manufacturing cost, moreover, the steam generator is simple in structure, stability is good, because mill itself is longer, the pivot bears all weight and is liable to take place to warp, and the vibrations are great when the ball mill works, cause the harm to the device subassembly easily, and part ball mill adopts external drive to grind the storehouse to control, but its rotational speed is mainly lower, influence ball milling machining efficiency, simultaneously, mill storehouse inner structure among the prior art is comparatively simple, the operation in-process, the grinding body wearing and tearing are faster, need often change grinding body, higher problem of manufacturing cost.
The above technical solution only represents the preferred technical solution of the present invention, and some changes that may be made by those skilled in the art to some parts of the technical solution represent the principles of the present invention, and the technical solution falls within the scope of the present invention.
Claims (8)
1. The ball mill comprises a frame and a milling bin, and is characterized in that the milling bin is arranged on the frame, a driving control mechanism is arranged on the frame and connected with the middle part of the milling bin, coated supporting mechanisms are symmetrically arranged at the two ends of the milling bin and connected with the frame, and a layered milling mechanism is arranged in the milling bin;
The driving control mechanism comprises a fixed ring, a gear ring, an auxiliary limiting component and a driving control structure, wherein the fixed ring is welded on the middle position of the outer side wall surface of the grinding bin, the gear ring is fixedly sleeved on the fixed ring, the auxiliary limiting component is arranged on the frame, one end of the auxiliary limiting component is meshed with the gear ring, and the driving control structure is provided with one side of the frame, and one end of the driving control structure is meshed with the gear ring;
The wrapping type supporting mechanism comprises a vertical frame, an annular frame and a rolling supporting component, wherein the vertical frame is arranged on the frame and positioned at the lower part of the grinding bin, the annular frame is sleeved outside the grinding bin and fixedly connected with the vertical frame, and the rolling supporting component is arranged in the annular frame and is in sliding connection with the outer side wall surface of the grinding bin;
The layered grinding mechanism comprises a support frame, an inner layer bin body, an inner layer grinding component and an outer layer grinding component, wherein the support frame is arranged in a grinding bin, the inner layer bin body is arranged on the support frame, a certain distance is reserved between the inner layer bin body and the inner annular surface of the grinding bin, a plurality of discharge holes are uniformly formed in the side wall of the inner layer bin body, the inner layer grinding component is arranged on the inner annular surface of the inner layer bin body and is staggered with the discharge holes, and the outer layer grinding component is arranged on the inner annular surface of the grinding bin;
The auxiliary limiting assembly comprises a fixed seat, a door-shaped frame and an auxiliary gear, wherein the fixed seat is arranged on the frame, the door-shaped frame is arranged on the fixed seat, and the auxiliary gear is rotationally sleeved on a cross beam of the door-shaped frame and meshed with the gear ring;
The grinding bin and the inner layer bin body are of wear-resistant alloy steel cylinder structures.
2. The ball mill according to claim 1, wherein the driving control structure comprises a driving motor, a speed reducer and a transmission connecting assembly, the driving motor is arranged on the frame and positioned on one side of the milling chamber, the input end of the speed reducer is connected with the driving end of the driving motor, one end of the transmission connecting assembly is connected with the output end of the speed reducer, and the other end of the transmission connecting assembly is meshed with the gear ring.
3. The ball mill according to claim 2, wherein the transmission connection assembly comprises a fixing frame, a transmission shaft, a driving gear and a driven gear, the fixing frame is arranged on one side of the output end of the speed reducer, the transmission shaft is rotatably inserted in the fixing frame, one end of the transmission shaft is connected with the output end of the speed reducer, the driving gear is fixedly sleeved on the transmission shaft, and the driven gear is rotatably arranged in the fixing frame and is respectively meshed with the driving gear and the gear ring.
4. A ball mill according to claim 3, wherein the fixing frame is provided with an auxiliary oiling component, the auxiliary oiling component comprises an oil storage bin, an oiling nozzle, an air cylinder, a movable rod and a push plate, the oil storage bin is arranged on one side of the fixing frame, one end of the oil storage bin is opposite to one side of the driven gear, the oiling nozzle is inserted into one end of the oil storage bin and opposite to the driven gear, the air cylinder is arranged on one side of the oil storage bin, one end of the movable rod is connected with a piston end of the air cylinder, the other end of the movable rod extends into the oil storage bin, the push plate is arranged in the oil storage bin and connected with the movable rod, and the size of the push plate is matched with the inner diameter size of the oil storage bin.
5. A ball mill according to any one of claims 1 to 4, wherein the rolling support assembly comprises an annular groove, a bearing and a sliding ring, the annular groove is arranged on the inner side wall surface of the annular frame, the bearing is fixedly arranged in the annular groove, and the sliding ring is fixedly sleeved on the outer side wall surface of the mill bin and in interference fit with the bearing inner ring.
6. The ball mill according to claim 5, wherein the inner grinding assembly comprises a bolt connecting piece and an impact post, wherein the bolt connecting piece is arranged on the inner ring surface of the inner bin body, one end of the bolt connecting piece extends out of the inner bin body, and the impact post is fixedly arranged in the inner bin body and fixedly connected with one end of the bolt connecting piece.
7. The ball mill according to claim 6, wherein the bolt connecting piece comprises a positioning stud, a fastening nut and a connecting seat, a plurality of assembly threaded holes are formed in the inner layer bin body, the positioning stud is screwed in the threaded holes, one end of the positioning stud extends out of the inner layer bin body, the fastening nut is screwed on the exposed end of the positioning stud in a sleeved mode, the connecting seat is welded on the other end of the positioning stud and is attached to the inner layer bin body, and the connecting seat is fixedly connected with the impact column.
8. The ball mill of claim 7, wherein the outer grinding assembly includes corrugated flutes disposed along an annular array on an inner annulus of the mill housing and teeth disposed uniformly on a sidewall of the corrugated flutes.
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| RU2648424C2 (en) * | 2016-02-25 | 2018-03-26 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Тамбовский государственный технический университет" (ФГБОУ ВО "ТГТУ") | Method of obtaining graphene and device for its implementation |
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