CN-117399129-B - Ball mill

CN117399129BCN 117399129 BCN117399129 BCN 117399129BCN-117399129-B

Abstract

The invention relates to the technical field of ball mills, in particular to a ball mill which comprises a support, wherein a charging barrel is rotatably arranged on the support, the charging barrel comprises an outer barrel body, a treatment part is arranged on the outer barrel body, the treatment part comprises a guide box fixedly arranged on the inner wall of the outer barrel body, an air inlet groove formed in the outer barrel body and an air exhaust hole formed in the outer barrel body, a collecting channel is formed between the guide box and the inner wall of the outer barrel body in a surrounding manner, and an air ventilation mechanism is arranged on the support.

Inventors

WANG WENJUN
WANG YUYONG
WANG DASHUAI
WANG LIXIA

Assignees

柘城县施诺德钻石科技有限公司

Dates

Publication Date: 20260508
Application Date: 20231106

Claims (9)

1. Ball mill, its characterized in that includes: A support; The charging barrel is rotationally arranged on the support, the charging barrel comprises an outer barrel body, a processing part is arranged on the outer barrel body, the processing part comprises a material guiding box fixedly arranged on the inner wall of the outer barrel body, an air inlet groove formed in the outer barrel body and an air outlet hole formed in the outer barrel body, a collecting channel is formed between the material guiding box and the inner wall of the outer barrel body in a surrounding mode, and a plurality of air inlet holes penetrating through the outer barrel body are formed in the inner wall of the air inlet groove; the guide box is internally provided with a discharge cavity and a screening channel, the discharge cavity is internally provided with a filter plate, the filter plate divides the discharge cavity into an air outlet cavity and a finished product cavity, the air outlet cavity is communicated with the exhaust hole, the inner wall of the finished product cavity is provided with an inclined guide surface, the guide box is provided with a first feed inlet and a second feed inlet, two ends of the first feed inlet are respectively communicated with the finished product cavity and the screening channel, two ends of the second feed inlet are respectively communicated with the screening channel and the collecting channel, and the guide box is also provided with a plugging mechanism for opening or plugging the first feed inlet and the second feed inlet; the ventilation mechanism is arranged on the support and can be used for exhausting the exhaust hole and blowing the air inlet groove; the grinding body is arranged in the charging barrel; The width of the second feeding hole is larger than that of the first feeding hole; the air inlet is right opposite to the material guiding box; along with the rotation of feed cylinder, the crushed material can get into and collect in the way and promote, and the gas drives the crushed material in the collection way and flows, makes the crushed material screen through second feed inlet, first feed inlet.
2. The ball mill according to claim 1, wherein the support comprises a bottom plate, fixing frames are fixedly connected to two sides of the bottom plate, chucks are fixedly arranged on the two fixing frames, feeding channels are arranged on the two chucks, the two chucks are rotatably connected with the feed cylinder, two ends of the feed cylinder are respectively communicated with the two feeding channels, and a rotation driving device is arranged between the bottom plate and the feed cylinder to drive the feed cylinder to rotate.
3. A ball mill according to claim 2, wherein the rotary drive means comprises a drive motor and a speed reducer fixedly mounted on the base plate, the output end of the drive motor is connected to the input end of the speed reducer, the output end of the speed reducer is fixedly provided with a driving gear, teeth of the driving gear are engaged with a toothed ring, and the toothed ring is fixedly arranged on the outer surface of the feed cylinder.
4. The ball mill according to claim 1, wherein the blocking mechanism comprises a first rotating shaft rotatably disposed on the inner wall of the first feed inlet and a second rotating shaft rotatably disposed on the inner wall of the second feed inlet, a first sealing plate is fixedly disposed on the first rotating shaft, a second sealing plate is fixedly disposed on the second rotating shaft, and a transmission mechanism is disposed on the first rotating shaft and the second rotating shaft and is capable of driving the first sealing plate and the second sealing plate to rotate, so that the first sealing plate opens or closes the first feed inlet, and the second sealing plate opens or closes the second feed inlet.
5. The ball mill according to claim 4, wherein the transmission mechanism comprises a plurality of first gears fixedly arranged on each first rotating shaft and a plurality of second gears fixedly arranged on each second rotating shaft, wherein first racks are meshed with teeth of all the first gears, second racks are meshed with teeth of all the second gears, a third gear is fixedly arranged on one of the first rotating shafts, a deflector rod corresponding to the charging barrel is fixedly arranged on one of the second rotating shafts, the deflector rod corresponds to the ventilation mechanism, and tooth sections meshed with the third gears are arranged on the deflector rod.
6. The ball mill according to claim 5, wherein the transmission mechanism further comprises a plurality of elastic members, all the elastic members are fixedly arranged between each second rotating shaft and the material guiding box and between each first rotating shaft and the material guiding box, the elastic force of the elastic members can drive the first sealing plate to rotate through the first rotating shaft so as to close the first feeding hole, and the elastic force of the elastic members can drive the second sealing plate to rotate through the second rotating shaft so as to close the second feeding hole.
7. A ball mill according to claim 1, wherein the ventilation mechanism comprises a gas hood provided on the support, the gas hood being provided with a suction groove corresponding to the exhaust hole and a blowing groove corresponding to the intake hole.
8. The ball mill of claim 7, wherein the air suction groove is in communication with an air inlet end of an external negative pressure pump, and the air blowing groove is in communication with an air outlet end of an external air blowing pump.
9. A ball mill according to claim 1, wherein the inner wall of the outer bowl is further provided with an impact plate.

Description

Ball mill 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, and 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, various ores and other grindability materials are subjected to dry or wet grinding, the ball mill 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 two grinding modes of dry type grinding and wet type grinding, can be divided into two modes of grid type grinding and overflow type grinding according to different ore discharging modes, and consists of a horizontal cylinder body, a feeding hollow shaft, a grinding head and the like, wherein the cylinder body is a long cylinder, a grinding body is filled in the cylinder body, is made of steel plates, a steel lining plate is fixed with the cylinder body, the grinding body is generally steel balls, and is filled into the cylinder body according to different diameters and certain proportions, the grinding body can also be selected by steel segments, the materials are filled into the cylinder body by the hollow shaft of the ball mill according to the granularity of the grinding materials, when the cylinder body rotates, the grinding body is attached to the cylinder body due to the action of inertia and centrifugal force, the friction force, the grinding body is carried away on the cylinder body and is thrown into the cylinder body when the cylinder body is taken away by the cylinder body to a certain height, and the grinding body is thrown into the cylinder body and is thrown into the cylinder body when the cylinder body is ground body like. Most of ball mills in the related art adopt an intermittent working mode, namely materials are added into a cylinder firstly, after all materials are ground, the materials after grinding are discharged, new materials can be added to conduct next grinding work, in the grinding process of one batch of materials, qualified materials can be formed successively, all materials which are required to be ground can be discharged, qualified materials cannot be discharged in time, meanwhile, the qualified materials can be ground repeatedly, and the grinding effect of the ball mill is greatly reduced. Disclosure of Invention The invention provides a ball mill, which aims to solve the problems that in the related art, a ball mill cannot timely discharge qualified materials, and the qualified materials can be repeatedly ground, so that the grinding effect is reduced. The ball mill of the invention comprises: A support; The charging barrel is rotationally arranged on the support, the charging barrel comprises an outer barrel body, a processing part is arranged on the outer barrel body, the processing part comprises a guide box fixedly arranged on the inner wall of the outer barrel body, an air inlet groove formed in the outer barrel body and an air outlet hole formed in the outer barrel body, a collecting channel is formed between the guide box and the inner wall of the outer barrel body in a surrounding mode, and a plurality of air inlet holes penetrating through the outer barrel body are formed in the inner wall of the air inlet groove; the guide box is internally provided with a discharge cavity and a screening channel, the discharge cavity is internally provided with a filter plate, the filter plate divides the discharge cavity into an air outlet cavity and a finished product cavity, the air outlet cavity is communicated with the exhaust hole, the inner wall of the finished product cavity is provided with an inclined guide surface, the guide box is provided with a first feed inlet and a second feed inlet, two ends of the first feed inlet are respectively communicated with the finished product cavity and the screening channel, two ends of the second feed inlet are respectively communicated with the screening channel and the collecting channel, and the guide box is also provided with a plugging mechanism for opening or plugging the first feed inlet and the second feed inlet; the ventilation mechanism is arranged on the support and can be used for exhausting the exhaust hole and blowing the air inlet groove; and the grinding body is arranged in the charging barrel. Preferably, the support comprises a bottom plate, the both sides of bottom plate are all fixedly connected with mount, two fixedly provided with chuck on the mount, two all be provided with feed channel on the chuck, two the chuck with the feed cylinder rotates to be connected, just the both ends of feed cylinder respectively with two feed channel are linked together, the bottom plate with all install rotation drive arrangement between the feed