CN108499650B - Rotary cone stirring ball mill - Google Patents
Rotary cone stirring ball mill Download PDFInfo
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- CN108499650B CN108499650B CN201810624699.7A CN201810624699A CN108499650B CN 108499650 B CN108499650 B CN 108499650B CN 201810624699 A CN201810624699 A CN 201810624699A CN 108499650 B CN108499650 B CN 108499650B
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- movable
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- 238000003756 stirring Methods 0.000 title claims abstract description 40
- 238000000227 grinding Methods 0.000 claims abstract description 59
- 239000000463 material Substances 0.000 claims abstract description 58
- 239000000428 dust Substances 0.000 claims description 28
- 230000000903 blocking effect Effects 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 11
- 238000013016 damping Methods 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000000498 ball milling Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000011362 coarse particle Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 208000004350 Strabismus Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000009837 dry grinding Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000001238 wet grinding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2/00—Crushing or disintegrating by gyratory or cone crushers
- B02C2/02—Crushing or disintegrating by gyratory or cone crushers eccentrically moved
- B02C2/04—Crushing or disintegrating by gyratory or cone crushers eccentrically moved with vertical axis
-
- 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
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a rotary cone stirring ball mill, which comprises a machine body, a driving device, a slewing bearing, a movable cone device, a fixed cone device and a plurality of grinding balls, wherein the slewing bearing, the movable cone device, the fixed cone device and the grinding balls are all arranged on the machine body; the driving device can drive the movable cone device to rotate around the axis of the fixed cone device through the slewing bearing, and the grinding balls are placed in a cavity formed by the movable cone device and the fixed cone device together so as to be used for stirring and grinding materials together. Through the cooperation of slewing bearing and grinding ball, can make the material obtain abundant grinding, increase the effective operating time of spiral cone stirring ball mill to can reduce the maintenance number of times, and then can promote the work efficiency and the grinding effect of spiral cone stirring ball mill by a wide margin.
Description
Technical Field
The invention relates to the field of mining machinery, in particular to a rotary cone stirring ball mill.
Background
At present, equipment for stirring and grinding mine materials mainly comprises a stirrer and a ball mill, the existing stirring ball mill is mostly a vertical spiral stirring ball mill and is provided with a vertical grinding container, a stirring shaft extending vertically is arranged in the center of the grinding container, the materials circulate between the stirring ball mill and a stirring kettle, the existing dry stirring ball mill is only fixed at the upper end of a main shaft, so that the main shaft is easy to shake during high-speed operation, the service life of the main machine is shortened, and grinding balls circulate and discharge according to a fixed rollaway, and the production efficiency is low. The existing ball mill is a key device for crushing materials after the materials are crushed, and can perform dry or wet grinding on various ores and other grindability materials. Most of the existing ball milling and crushing equipment adopts a horizontal structure simply, materials inside the barrel are driven to overturn, stir and then collide through the barrel, so that the grinding and the grinding are performed, the working efficiency is extremely low, the structure is huge, in addition, the grinding effect is extremely poor when the larger materials are ground, and a product with smaller granularity cannot be directly obtained. How to simplify the process and improve the efficiency to obtain the product with smaller granularity is a problem to be solved.
Accordingly, there is a need to provide a new type of ball mill mixer to solve the above problems.
Disclosure of Invention
The invention mainly aims to provide a rotary cone stirring ball mill, which aims to solve the problem of low treatment efficiency of the traditional ball milling and crushing equipment.
In order to achieve the above purpose, the rotary cone stirring ball mill provided by the invention comprises a machine body, a driving device, a slewing bearing, a movable cone device, a fixed cone device and a plurality of grinding balls, wherein the slewing bearing, the movable cone device, the fixed cone device and the grinding balls are all arranged on the machine body; the driving device can drive the movable cone device to rotate around the axis of the fixed cone device through the slewing bearing, and the grinding balls are arranged between the movable cone device and the fixed cone device and used for stirring and grinding materials together.
Preferably, a plurality of stirring paddles for stirring materials and pushing the grinding balls are arranged on the movable cone device.
Preferably, the fixed cone device comprises a mounting frame and a fixed cone cylinder arranged on the mounting frame, and a smooth lining plate is arranged on the outer peripheral surface of the fixed cone cylinder.
Preferably, the rotary cone agitator ball mill further comprises a dust blocking assembly, wherein the dust blocking assembly is arranged between the slewing bearing and the fixed cone device and surrounds the fixed cone device in a surrounding manner so as to prevent materials from overflowing.
Preferably, the dust blocking assembly comprises a dust blocking ring fixedly mounted on the mounting frame and a sealing felt arranged between the dust blocking ring and the slewing bearing.
Preferably, the dust blocking ring comprises a contact ring, a connecting ring and a mounting ring which are sequentially and coaxially connected, the mounting ring is fixedly mounted on the mounting frame and is a ring-shaped flat plate, the inner diameter of the first end of the connecting ring is larger than that of the second end of the connecting ring, the contact ring is cylindrical, the sealing felt is arranged between the contact ring and the slewing bearing, and the first end of the connecting ring is connected with one end of the contact ring, and the second end of the connecting ring is connected with the inner side of the mounting ring.
Preferably, the rotary cone stirring ball mill further comprises a reverse cone cylinder provided with a flange, the flange is fixedly arranged on the mounting frame, and materials between the movable cone device and the fixed cone device enter the reverse cone cylinder for discharging after stirring and grinding.
Preferably, the slewing bearing comprises a fixed ring fixedly arranged on the machine body, a rotating ring coaxially arranged with the fixed ring and a rolling body arranged between the fixed ring and the rotating ring, the moving cone device is arranged on the rotating ring, external teeth are arranged on the rotating ring, and the driving device can drive the rotating ring to rotate through a gear.
Preferably, the movable cone device comprises a bracket and a movable cone ring fixedly arranged on the bracket, the bracket is fixedly arranged on the rotating ring, and the movable cone ring is arranged around the fixed cone device.
In the technical scheme of the invention, the grinding ball is arranged between the movable cone device and the fixed cone device, the movable cone device can drive the grinding ball to roll, and the grinding ball, the movable cone device and the fixed cone device work together to jointly stir and grind materials, so that when coarse particle materials are processed, the process can be simplified, the efficiency can be improved, better grinding effect can be obtained, and products meeting the particle size requirement can be directly obtained. The rotary support is a large-sized bearing capable of bearing comprehensive load, and can bear larger axial and radial load and overturning moment, the movable cone device is rotatably arranged on the machine body through the rotary support, and the driving device can drive the movable cone device to rotate around the fixed cone device through the rotary support, so that the stability of the movable cone device in the rotating process can be improved. The slewing bearing has good bearing capacity, so that the slewing bearing can adapt to crushing processing of large-particle materials, is not easy to wear and has long service life. Through the cooperation of slewing bearing and grinding ball, can make the material obtain abundant grinding, increase the effective operating time of spiral cone stirring ball mill to can reduce the maintenance number of times, and then can promote the work efficiency and the grinding effect of spiral cone stirring ball mill by a wide margin.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a rotary cone stirred ball mill according to an embodiment of the present invention;
fig. 2 is an enlarged view at a in fig. 1.
Reference numerals illustrate:
10. a body; 11. a feed inlet; 20. a driving device; 21. a gear; 30. a slewing bearing; 31. a fixing ring; 32. a rotating ring; 40. a movable cone device; 41. a movable cone ring; 42. a bracket; 43. stirring paddles; 50. a cone fixing device; 51. a mounting frame; 52. a fixed cone cylinder; 53. a lining plate; 54. a counterweight; 60. a reverse cone; 61. a flange; 62. a discharge port; 70. a buffer device; 71. a guide rod; 72. an elastic member; 90. a dust blocking component; 91. a dust blocking ring; 911. a contact ring; 912. a connecting ring; 913. a mounting ring; 92. sealing felt; 100. grinding balls.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The technical solutions of the present embodiment will be clearly and completely described below with reference to the drawings in the present embodiment, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all the directional indications (such as up, down, left, right, front, and rear … …) in this embodiment are merely for explaining the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1, the rotary cone stirring ball mill provided by the invention comprises a machine body 10, a driving device 20, a slewing bearing 30, a movable cone device 40, a fixed cone device 50 and a plurality of grinding balls 100, wherein the slewing bearing 30, the movable cone device 40, the fixed cone device 50 and the plurality of grinding balls are all arranged on the machine body 10; the driving device 20 can drive the movable cone device 40 to rotate around the axis of the fixed cone device 50 through the slewing bearing 30, and the grinding balls 100 are placed between the movable cone device 40 and the fixed cone device 50 for stirring and grinding materials together. In the process of grinding the material, the movable cone device 40 and the fixed cone device 50 jointly squeeze the material, and the grinding ball 100 rolls along with the movable cone device 40 to be in full contact with the material, so that enough squeezing force can be generated to grind the material. In the rotary cone agitator ball mill, referring to fig. 1, the movable cone device 40 may have an annular structure, and the movable cone device 40 may rotate around the fixed cone device 50, that is, the movable cone device 40 is outside the fixed cone device 50. Alternatively, in other embodiments, the fixed cone device 50 may have an annular structure, and the movable cone device 40 may be capable of rotating around the axis of the fixed cone device 50 in the fixed cone device 50, that is, the fixed cone device 50 is outside the movable cone device 40.
In the above embodiment, the grinding ball 100 is placed in the cavity formed between the movable cone device 40 and the fixed cone device 50, the movable cone device 40 drives the grinding ball to roll, and the grinding ball, the movable cone device 40 and the fixed cone device 50 work together to mix and grind materials together, so that the process can be simplified and the efficiency can be improved when coarse particle materials are processed, so that a better grinding effect can be obtained, and a product with fine particle size can be directly obtained. In addition, the slewing bearing 30 is a large-sized bearing capable of bearing comprehensive load, and can bear large axial and radial loads and overturning moment at the same time, the movable cone device 40 is rotatably mounted on the machine body 10 through the slewing bearing 30, and the driving device 20 can drive the movable cone device 40 to rotate around the fixed cone device 50 through the slewing bearing 30, so that stability of the movable cone device 40 in the rotating process can be improved. The slewing bearing 30 has good bearing capacity, so that the slewing bearing can adapt to the crushing processing of large-particle materials, and the slewing bearing 30 is not easy to wear and has long service life. Through the cooperation of slewing bearing 30 and grinding ball 100, can make the material obtain abundant grinding, increase the effective operating length of spiral cone stirring ball mill to can reduce the maintenance number of times, and then can promote spiral cone stirring ball mill's work efficiency and grinding effect by a wide margin.
In the preferred embodiment, the plurality of grinding balls 100 have different diameters, but each grinding ball 100 has a diameter larger than the minimum clearance between the movable cone device 40 and the fixed cone device 50 to prevent the grinding balls 100 from falling down between the movable cone device 40 and the fixed cone device 50. And, the hardness and strength of the grinding ball 100 are greater than those of the material, respectively, to prevent the grinding ball 100 from being broken during the grinding process of the material. In order to increase the rolling frequency and the moving range of the grinding ball 100 between the movable cone device 40 and the fixed cone device 50, a plurality of stirring paddles 43 for stirring the materials and pushing the grinding ball 100 may be provided on the movable cone device 40, so that the effect and efficiency of grinding the materials can be further improved. The stirring paddles 43 are distributed on the inner wall of the annular movable cone device 40, and the length of each stirring paddle 43 is matched with the size of the gap between the movable cone device 40 and the fixed cone device 50 at different heights. Wherein in all embodiments the grinding balls 100 remain in the cavity at all times and do not fall out.
In addition, as shown in fig. 1, in the preferred embodiment, the fixed cone device 50 may be disposed on the machine body 10 through the buffer device 70, and the buffer device 70 may be capable of absorbing impact force generated during the crushing process of the material, and if the crushing process encounters too hard material or sundries, unexpected damage may be avoided through the buffer device 70 when no overload protection measures or protection is unreliable. The movable cone device 40 and the fixed cone device 50 can be matched with each other to crush, meanwhile, the fixed cone device 50 can be prevented from being damaged due to impact force, and forced shutdown maintenance caused by damage of the fixed cone device 50 or huge damage of a plurality of important parts of the machine body is avoided, so that the service life of the fixed cone device 50 can be greatly prolonged, and further the production time can be saved and the production efficiency can be improved.
In the above embodiment, the damping device 70 may have various forms as long as it can damp the vibration of the cone fixing device 50 during operation. In a preferred embodiment, referring again to fig. 1, the damping device 70 may include a plurality of guide rods 71 spaced around the cone device 50 and elastic members 72 sleeved on the guide rods 71, and the elastic members 72 are precompressed between the cone device 50 and the machine body 10, so as to damp vibrations transmitted from the cone device 50 to the machine body 10. The number of the elastic members 72 may be plural, and the plurality of elastic members 72 may be sleeved on the guide rods 71 in a one-to-one correspondence, so that the plurality of guide rods 71 are uniformly distributed at intervals along the circumferential direction of the fixed cone device 50, and the force applied to the fixed cone device 50 by the movable cone device 40 can be uniformly dispersed, thereby effectively avoiding the fixed cone device 50 from being defective due to the impact force generated during the material crushing.
Further, one end of the guide rod 71 is mounted on the cone fixing device 50 and the other end is mounted on the machine body 10, and the guide rod 71 can slide with respect to the cone fixing device 50 and/or the machine body 10. For example, one end of the guide rod 71 is fixedly mounted on the cone fixing device 50, and the other end of the guide rod 71 is movably mounted on the machine body 10; alternatively, one end of the guide rod 71 is mounted on the fixed cone device 50 and is capable of sliding on the fixed cone device 50, and the other end of the guide rod 71 is fixed to the machine body 10. One end of the guide rod 71 is mounted (may be fixedly mounted or slidably mounted) on the fixed cone device 50, and the other end of the guide rod 71 is movably mounted on the machine body 10 and can slide along the extending direction of the guide rod 71 on the machine body 10, that is, the fixed cone device 50 can slide along the axial direction of the guide rod 71 relative to the machine body 10 within a certain range. When the elastic member 72 is provided between the machine body 10 and the cone fixing device 50, the vibration damping effect can be achieved. Specifically, the cone fixing device 50 is deflected downward by a certain distance due to vibration during operation, and the deflected vibration is absorbed by the elastic member 72, so that the vibration transmitted to the machine body 10 can be reduced, thereby achieving the purpose of buffering and vibration reduction.
As shown in fig. 1, the guide rod 71 may be a mounting bolt or a mounting stud, and the fixing cone device 50 and the machine body 10 are provided with mounting holes, the mounting bolt is mounted in the mounting holes, the mounting bolt is provided with a mounting nut, and the machine body 10 and the fixing cone device 50 are located between the mounting nut and the bolt head of the mounting bolt. The elastic member 72 may be a spring or a rubber sleeve, etc., and the elastic member 72 is sleeved on the guide rod 71, so that vibration transmitted from the fixed cone device 50 to the machine body 10 during the operation of the rotary cone stirring ball mill can be reduced, and the vibration is prevented from affecting the service life of each bolt or screw, so as to ensure the connection stability between each component on the machine body 10. More importantly, due to the existence of the elastic piece 72, the acting force between the fixed cone device 50 and the material and the movable cone device 40 is dispersed, so that the abrasion of the fixed cone device 50 and the movable cone device 40 can be reduced, and the service life of the rotary cone stirring ball mill is prolonged.
In addition, in a more preferred embodiment, the mounting bolt may be further sleeved with a limit nut, and the elastic member 72 is located between the limit nut and the fixed cone device 50, so as to adjust the compression pre-tightening force of the elastic member 72 according to working conditions, so that the offset range of the fixed cone device 50 in the working process can be adjusted, and the application range of the rotary cone agitator ball mill is improved. For example, when crushing large particulate material, the stop nut may be moved away from the side of the cone device 50 to increase the range of deflection of the cone device 50.
In further embodiments, the damping device 70 may also include a plurality of damping cylinders spaced around the fixed cone device 50, one end of the damping cylinder being connected to the fixed cone device 50 and the other end being connected to the machine body 10. The hydraulic oil in the buffer hydraulic cylinder can absorb the vibration transmitted to the fixed cone device 50 when the materials are crushed, and the position deviation of the fixed cone device 50 can be converted into the telescopic movement of the buffer hydraulic cylinder, so that the purpose of buffering and vibration reduction is achieved.
Further, in a more preferred embodiment, as shown in FIG. 2, the cone agitator ball mill further includes a dust guard assembly 90 disposed between the slewing bearing 30 and the fixed cone device 50 and surrounding the fixed cone device 50 for preventing material spillage. Wherein, through the cooperation of slewing bearing 30, grinding ball 100 and buffer 70, can increase the effective operating length of spiral cone agitator ball mill to can reduce the maintenance number of times, and then can promote the work efficiency of spiral cone agitator ball mill by a wide margin. Just because the buffer device 70 can greatly affect the working efficiency of the whole machine and the service life of important components, the buffer device 70 needs to be particularly protected to improve the reliability of the buffer device 70. The dust blocking assembly 90 is arranged between the slewing bearing 30 and the fixed cone device 50, the sealing is reliable, and the material can be prevented from overflowing from the middle of the machine body 10, so that dust generated by crushing the material is prevented from affecting the performance of the buffer device 70, the cleaning of moving parts (the buffer device 70, the fixed cone device 50 and the like) is ensured, the normal operation of key working parts such as the slewing bearing 30 is protected, the lubrication is smooth, and the environment is also prevented from being polluted by dust. Wherein during operation the cone device 50 will follow the buffer device 70 for a small range of polarization.
The fixed cone device 50 comprises a mounting frame 51 and a fixed cone cylinder 52 arranged on the mounting frame 51, a lining plate 53 is arranged on the outer peripheral surface of the fixed cone cylinder 52, the surface of the lining plate 53 is a smooth surface, and the lining plate 53 is made of wear-resistant materials, so that the service life of the fixed cone device 50 is prolonged, the maintenance time is shortened, and the production efficiency is improved. Wherein, the fixed cone cylinder 52 can be provided with a lining plate 53 by a fastener (such as a screw, etc.), so as to facilitate the installation and the disassembly. Wherein the buffer device 70 is located between the mounting frame 51 and the body 10. After the materials are ground between the movable cone device 40 and the fixed cone device 50, the materials directly overflow from a discharge gap at the lower part of a grinding cavity formed by the lining plate 53 on the fixed cone cylinder 52 and the lining plate on the movable cone device 40, and pass through the inverted cone cylinder 60 until reaching a discharge hole 62. Referring to fig. 2, the dust blocking assembly 90 includes a dust blocking ring 91 fixedly mounted on the mounting frame 51, and a seal felt 92 disposed between the dust blocking ring 91 and the slewing bearing 30 (specifically, a bearing ring under the fixing ring 31). During the operation of the rotary cone agitator ball mill, the mounting frame 51 will follow the buffer device 70 to deflect up and down, so the dust blocking ring 91 will deflect up and down, and the gap during the deflection of the dust blocking ring 91 is sealed by the sealing felt 92, so as to prevent the crushed material between the fixed cone device 50 and the movable cone device 40 from overflowing from between the machine body 10 and the buffer device 70, so as to improve the dust blocking effect.
In a preferred embodiment, referring again to fig. 2, in order to facilitate the installation of the dust blocking assembly 90, the dust blocking ring 91 includes a contact ring 911, a connection ring 912 and a mounting ring 913 which are coaxially connected in sequence, the mounting ring 913 is an annular flat plate fixedly mounted on the mounting frame 51, the inner diameter of a first end of the connection ring 912 is larger than the inner diameter of a second end of the connection ring 912, the contact ring 911 is cylindrical and the seal felt 92 is disposed between the contact ring 911 and the slewing bearing 30, the first end of the connection ring 912 is connected with one end of the contact ring 911 and the second end of the connection ring 912 is connected with the inner side of the mounting ring 913. Wherein, the mounting ring 913 is fixedly installed on the mounting frame 51 through a plurality of bolts located at the outer side of the connection ring 912, so as not to be polluted by dust, thereby securing the fastening effect. The connecting ring 912 is in a shape with a big top and a small bottom, and the lower end forms a necking, so that the material or dust entering the connecting ring 912 can fall down along the inclined inner wall and then pass through the mesh of the mounting frame 51. In addition, since the contact ring 911 is cylindrical, a uniform gap can be formed between the contact ring 911 and the support ring to facilitate installation of the seal felt 92.
In order to facilitate the discharge of materials, referring to fig. 1 again, the rotary cone agitator ball mill further includes an inverted cone 60 provided with a flange 61, the flange 61 is fixedly mounted on the mounting frame 51, the buffer device 70 is located between the flange 61 and the machine body 10, and the materials between the movable cone device 40 and the fixed cone device 50 can enter the inverted cone 60 for discharging after being agitated and ground. The big end up and the tip down of back taper section of thick bamboo 60 set up, and the internal diameter of the big end of back taper section of thick bamboo 60 is greater than the internal diameter that moves awl device 40 lower extreme, and back taper section of thick bamboo 60 can follow the back taper device 50 and squint together at crushing in-process to can prevent that the material from running out in the gap of organism 10, make all materials can all lead discharge gate 62 through the slope inner wall of back taper section of thick bamboo 60, thereby be convenient for the discharge of material.
Referring again to fig. 1, in an embodiment, a counterweight 54 is disposed at the top end of the cone cylinder 52, and the counterweight 54 can increase the weight of the cone device 50, so as to improve the stability of the cone device 50, and prevent the cone device 50 from overturning during operation. In addition, the counterweight 54 is disposed corresponding to the inlet 11, so that the material can be more smoothly and uniformly distributed on the liner 53.
In addition, in the preferred embodiment, the slewing bearing 30 includes a fixed ring 31 fixedly provided on the machine body 10, a rotating ring 32 coaxially provided with the fixed ring 31, and rolling bodies provided between the fixed ring 31 and the rotating ring 32, the moving cone device 40 is provided on the rotating ring 32, and external teeth are provided on the rotating ring 32, and the driving device 20 can drive the rotating ring 32 to rotate through the gear 21. As shown in fig. 1 and 2, the fixing ring 31 may be mounted on the machine body 10 through a support ring, that is, the pivoting support 30 is supported by the support ring so that the movable cone device 40 can be positioned at a predetermined position, thereby being better engaged with the fixed cone device 50. In the above embodiment, the positions of the fixed ring 31 and the rotating ring 32 of the slewing bearing 30 may also be set according to practical situations, for example, the fixed ring 31 is on the outer side and the rotating ring 32 is on the inner side of the fixed ring 31, or the fixed ring 31 is on the inner side and the rotating ring 32 is on the outer side of the fixed ring 31, and both the two setting manners can ensure the stability requirement on the rotary support of the cone device 40. In the preferred embodiment, however, with a view to reasonable arrangement of the individual components in the cone agitator ball mill, as shown in fig. 1, the rotating ring 32 is disposed outside the fixed ring 31, and the fixed ring 31 can be fixedly mounted on the machine body 10 by a plurality of bolts or screws. Also, the provision of the rotating ring 32 as an external ring gear more facilitates the arrangement of the transmission assembly from the transmission manner, and specifically, a plurality of external teeth are uniformly provided on the outer peripheral surface of the rotating ring 32. Referring again to fig. 1, the driving device 20 drives the gear 21 to rotate, and the gear 21 is meshed with the external teeth to drive the rotating ring 32 to rotate, so that the space of the rotating ring 32 can be reasonably utilized, and the space occupation of the driving device 20 for the rotary cone agitator ball mill is reduced. The driving device 20 may be an electric motor or a hydraulic motor.
The moving cone device 40 includes a bracket 42 and a moving cone ring 41 fixedly disposed on the bracket 42, wherein the bracket 42 is fixedly disposed on the rotating ring 32, and the moving cone ring 41 is disposed around the fixed cone device 50. As shown in fig. 1, the bracket 42 includes a mounting cylinder adapted to the moving cone 41 and an annular mounting plate extending outwardly from an outer circumferential surface of the mounting cylinder, the mounting cylinder is shaped to fit the moving cone 41, an outer edge of the mounting plate is connected to the rotating ring 32 by bolts or screws, the fixed ring 31 is located between the rotating ring 32 and the mounting cylinder, and the moving cone 41 is fixedly attached to an inner circumferential surface of the mounting cylinder. The movable cone ring 41 and the fixed cone cylinder 52 are correspondingly arranged, the movable cone ring 41 can rotate around the fixed cone cylinder 52 under the action of the rotating ring 32, materials can be crushed between the movable cone ring 41 and the fixed cone cylinder 52, and crushed materials can slide out of the equipment from the lower end of the movable cone ring 41 through the inverted cone cylinder 60 and the discharge hole 62.
In order to expand the volume of the rotary cone agitator ball mill, in a preferred embodiment, referring to fig. 1, the fixed cone cylinder 52 is in the shape of a circular truncated cone (the outer diameter of the upper end is smaller than the outer diameter of the lower end), while the movable cone 41 is in the shape of a generally cylindrical tube, and the lower end of the movable cone 41 forms an outer expansion edge which is adapted to the circular truncated cone cylinder 52, wherein the gap between the movable cone 41 and the fixed cone cylinder 52 is gradually reduced in the direction of the movement of the material so that the material is gradually ground to a desired particle size level during the movement. When the rotary support 30 with the same size is adopted to rotatably support the movable cone 41, if the outer diameter of the upper end of the fixed cone cylinder 52 is reduced inwards, the processing amount of materials in unit time and the capacity and the movable range of the grinding balls 100 can be increased, so that the working efficiency of the rotary cone stirring ball mill can be improved.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
Claims (3)
1. The rotary cone stirring ball mill is characterized by comprising a machine body, a driving device, a slewing bearing, a movable cone device, a fixed cone device and a plurality of grinding balls, wherein the slewing bearing, the movable cone device, the fixed cone device and the grinding balls are all arranged on the machine body; the driving device can drive the movable cone device to rotate around the axis of the fixed cone device through the slewing bearing, and the grinding balls are placed in a cavity formed by the movable cone device and the fixed cone device together so as to be used for stirring and grinding materials together;
the fixed cone device comprises a mounting frame and a fixed cone cylinder arranged on the mounting frame, and a smooth lining plate is arranged on the outer peripheral surface of the fixed cone cylinder; the fixed cone device is arranged on the machine body through a buffer device;
the slewing bearing comprises a fixed ring fixedly arranged on the machine body, a rotating ring coaxially arranged with the fixed ring and a rolling body arranged between the fixed ring and the rotating ring, the movable cone device is arranged on the rotating ring, external teeth are arranged on the rotating ring, and the driving device can drive the rotating ring to rotate through a gear; the movable cone device comprises a bracket and a movable cone ring fixedly arranged on the bracket, the bracket is fixedly arranged on the rotating ring, and the movable cone ring is arranged around the fixed cone device;
the rotary cone stirring ball mill further comprises a dust blocking component, wherein the dust blocking component is arranged between the slewing bearing and the fixed cone device and surrounds the fixed cone device in a surrounding manner so as to prevent crushed materials between the fixed cone cylinder and the movable cone ring from overflowing, and the buffer device can be protected;
the dust blocking assembly comprises a dust blocking ring fixedly arranged on the mounting frame and a sealing felt arranged between the dust blocking ring and the slewing bearing;
the dust blocking ring comprises a contact ring, a connecting ring and a mounting ring which are sequentially and coaxially connected, the mounting ring is fixedly mounted on an annular flat plate on the mounting rack, the inner diameter of the first end of the connecting ring is larger than that of the second end of the connecting ring, the contact ring is cylindrical, the sealing felt is arranged between the contact ring and the slewing bearing, and the first end of the connecting ring is connected with one end of the contact ring, and the second end of the connecting ring is connected with the inner side of the mounting ring.
2. A cone agitator ball mill according to claim 1, characterised in that the movable cone means is provided with a plurality of paddles for agitating the material and propelling the grinding balls.
3. A cone agitator ball mill according to claim 1 or claim 2, further comprising a back-taper barrel provided with a flange fixedly mounted on the mounting frame, wherein material between the movable cone device and the fixed cone device is stirred and ground into the back-taper barrel for discharge.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810624699.7A CN108499650B (en) | 2018-06-16 | 2018-06-16 | Rotary cone stirring ball mill |
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| CN201810624699.7A CN108499650B (en) | 2018-06-16 | 2018-06-16 | Rotary cone stirring ball mill |
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| CN108499650B true CN108499650B (en) | 2024-01-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109201215B (en) * | 2018-09-30 | 2019-06-18 | 李伟明 | A kind of mining ball mill and its electric-control system |
| KR20220151215A (en) * | 2020-03-27 | 2022-11-14 | 뷔홀러 아게 | agitator ball mill |
| CN111841812A (en) * | 2020-07-23 | 2020-10-30 | 李超 | Pig feed processing equipment and processing technology thereof |
| CN112295654B (en) * | 2020-10-30 | 2021-12-31 | 广东磊蒙重型机械制造有限公司 | Cone crusher convenient for discharging and using method thereof |
| CN114985061B (en) * | 2022-08-08 | 2022-10-21 | 徐州逸创建筑科技发展有限公司 | Hierarchical formula ball-milling device |
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Inventor after: Chen Lei Inventor after: Tan Feng Inventor after: Pang Xiaobing Inventor after: Lin Tao Inventor before: Tan Feng Inventor before: Chen Lei Inventor before: Pang Xiaobing Inventor before: Lin Tao |
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