CN212702211U

CN212702211U - Bentonite grinding device

Info

Publication number: CN212702211U
Application number: CN202021249438.0U
Authority: CN
Inventors: 江家富
Original assignee: Zhejiang Yuhong New Material Co ltd
Current assignee: Zhejiang Yuhong New Material Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-03-16
Anticipated expiration: 2030-06-30

Abstract

The utility model provides a bentonite crocus equipment, including two bases, the base upside is fixed with crocus cylinder bearing bracket, set up the crocus cylinder bearing in crocus cylinder bearing bracket, be provided with the crocus cylinder in crocus cylinder bearing, the one end of crocus cylinder is equipped with the inlet pipe, be equipped with the crocus inner tube in the crocus cylinder, one side that is close to the inlet pipe in the crocus inner tube is the ball-milling district, the inside grinding ball that is equipped with in ball-milling district, one side of keeping away from the inlet pipe is the planet cylinder milling district, it grinds to be equipped with the planet cylinder in the planet cylinder milling district, be equipped with partition panel between ball-milling district and the planet cylinder milling district, be fixed with a plurality of helicine guide plates on the crocus cylinder inner wall in the planet cylinder milling district outside, it has the discharge. The utility model discloses go on ball-milling operation step and planet cylinder mill step simultaneously, not only guaranteed the processingquality to the bentonite raw and other materials, and effectively improved the production efficiency of high accuracy bentonite.

Description

Bentonite grinding device

Technical Field

The utility model relates to a bentonite production and processing technology field especially relates to a bentonite grinding equipment.

Background

The bentonite is a non-metal mineral product with montmorillonite as a main mineral component, and the montmorillonite structure is 2: the crystal structure of the type 1 has better ion exchange performance because certain cations, such as Cu, Mg, Na, K and the like, exist in a layered structure formed by montmorillonite unit cells, and the cations have unstable effects with the montmorillonite unit cells and are easy to exchange with other cations. At present, the soil is applied to more than 100 departments in 24 fields of industrial and agricultural production, and more than 300 products exist, so that the soil is called as 'universal soil'.

In current bentonite production process, can need to use the minimum hyperfine bentonite of particle diameter under certain circumstances, hyperfine bentonite needs the bentonite raw materials to carry out the crocus after the breakage just can reach the particle diameter level of requirement, but current milling machine can only carry out single ball-milling operation to the bentonite raw materials, the product quality that leads to final gained is not high, the particle diameter can not reach the requirement of hyperfine bentonite, probably still need other milling equipment to carry out secondary operation, lead to production efficiency lower, output is not enough.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a bentonite grinding equipment, it has solved among the prior art milling machine not enough to the machining precision of bentonite raw materials and lead to needing to carry out secondary operation to the bentonite raw materials, influences the technical problem of bentonite production efficiency.

The utility model solves the technical problems by adopting the following technical proposal, the bentonite grinding equipment comprises two bases which are arranged in parallel and have the same height, a grinding roller bearing bracket and a grinding roller bearing arranged in the grinding roller bearing bracket are fixed on the upper side of the base, a grinding roller is arranged in the grinding roller bearing, one end of the grinding roller is provided with a feed pipe, a grinding inner cylinder is arranged in the grinding roller, one side of the grinding inner cylinder close to the feed pipe is a ball milling area, a plurality of grinding balls for grinding bentonite are arranged in the ball milling area, one side far away from the feed pipe is a planet roller milling area, a planet roller mill is arranged in the planet roller milling area, a powder outlet hole through which only bentonite powder can pass is arranged on the side wall of the planet roller milling area, a compartment plate is arranged between the ball milling area and the planet roller milling area, a plurality of spiral guide plates are fixed on the inner wall of the grinding roller outside the planet roller milling area, open on the lateral wall that inlet pipe one side was kept away from to the crocus cylinder has the discharge gate, and the both ends of crocus cylinder are equipped with sealed dustproof end cap, and sealed dustproof end cap inside has inlayed sealed dustproof end cap bearing, and at the crocus cylinder, the one end that is close to the inlet pipe at the crocus cylinder is equipped with crocus cylinder rotating assembly, and the one end that is close to the discharge gate at the crocus cylinder is equipped with planet cylinder and grinds rotating assembly.

By adopting the technical scheme, the bentonite raw material enters the ball milling area of the inner milling cylinder from the feeding pipe, when the milling roller rolls, the grinding balls are continuously driven to fall in half along the inner wall of the ball milling area, the bentonite raw material is repeatedly knocked to be ground into fine particles, the fine particles are sent to the planetary roller milling area, the bentonite particles are further ground into bentonite powder with smaller particle diameter under the continuous rotation of the planetary roller mill, the bentonite powder can enter an interlayer between the milling roller and the planetary roller milling area from the powder outlet hole, the bentonite powder can move towards the direction of the discharge port under the action of the guide plate when rotating, the ultra-fine bentonite finished product is finally discharged from the discharge port, the milling roller is driven by the milling roller rotating assembly to rotate in the milling roller bearing, the planetary roller mill is driven by the planetary roller milling rotating assembly to rotate in the planetary roller milling area, rotation opposite direction between them, sealed dustproof end cap can play the effect that prevents the dust escape in the crocus cylinder, the utility model discloses go on ball-milling operation step and planet cylinder mill step simultaneously at the crocus cylinder, not only guaranteed the processingquality to the bentonite raw and other materials, and effectively improved the production efficiency of high accuracy bentonite, still carry out the spiral shell row ejection of compact to the bentonite finished product with the guide plate in addition, replaced traditional wind row ejection of compact, the dust escape phenomenon that appears when avoiding the wind row ejection of compact, the environmental protection practices thrift the cost.

Preferably, the diameter of the cylinder wall of the ball milling area close to the feeding pipe is smaller than that of the cylinder wall of the planetary roller milling area close to the feeding pipe.

Through adopting above-mentioned technical scheme, the inside in ball-milling district becomes the tilt state, and the bentonite in ball-milling district will move to planet cylinder mill district gradually like this when the ball-milling.

Preferably, the partition plate is circular, and the edge of the partition plate is provided with a notch through which bentonite particles can pass but grinding balls cannot pass.

By adopting the technical scheme, the bentonite in the ball milling area can pass through the partition plate when gradually moving to the planetary roller milling area during ball milling, and the grinding balls are blocked and cannot roll out of the ball milling area.

Preferably, the planetary roller mill comprises a main shaft, planetary wheels, a planetary carrier, rotating shaft fixing bearings and a roller, wherein the planetary wheels are fixed on an inner side plate of the milling roller, the main shaft horizontally penetrates through the circle center of the planetary wheels, the planetary carrier is two supports which are vertically and rotatably sleeved on the main shaft, the rotating shaft fixing bearings are arranged at two ends of the planetary carrier, the rotating shaft is rotatably connected between the rotating shaft fixing bearings, the planetary gears are fixedly sleeved on the rotating shaft and are meshed with gears on the inner sides of the planetary wheels, and the roller is rotatably sleeved on the rotating shaft.

Through adopting above-mentioned technical scheme, the planet carrier is driven when the main shaft rotates, and the planet carrier meshes with the inboard gear of planet wheel mutually through changeing epaxial planetary gear, and the rotation opposite direction of planet cylinder mill and crocus cylinder, and consequently both rotatory relative speed is faster, further improves the crocus efficiency to the bentonite, and planetary gear can improve the stability of planet carrier, and the cylinder can rotate in the pivot and pulverize the bentonite.

Preferably, the surface of the drum is provided with a plurality of raised milling rings along the radial direction thereof, the width of the milling rings being less than one half of the axial length of the drum in total.

Through adopting above-mentioned technical scheme, the particle diameter of bentonite is decided in the gap between the inside wall in crocus ring and planet cylinder mill district, and the recess that forms between the convex crocus ring is used for holding the crocus ring and when crushing bentonite from both sides extruded's bentonite to avoid bentonite too much and plug up the gap between the inside wall in crocus ring and planet cylinder mill district, lead to the phenomenon that planet cylinder mill stall.

Preferably, planet cylinder grinds rotating assembly including fixing the crocus motor on the base lateral wall that is close to discharge gate one side, and the crocus cylinder outside is worn out in the sealed dustproof end cap bearing of main shaft from being close to discharge gate one side to pass through the belt with the crocus motor and be connected.

Through adopting above-mentioned technical scheme, the crocus motor provides power for the rotation of main shaft, and the main shaft stretches out from the sealed dustproof end cap bearing that is close to discharge gate one side for the main shaft can with crocus cylinder counter-rotation.

Preferably, the end of the main shaft is rotatably disposed in the partition plate.

By adopting the technical scheme, the tail end of the main shaft can be rotatably connected through the bearing arranged in the partition plate, so that the two ends of the main shaft are supported, and the main shaft is more stable.

Preferably, crocus cylinder rotating assembly includes that the crocus cylinder is close to the fixed ring gear of port department of inlet pipe one end, is fixed with driving motor on the base lateral wall of ring gear lower part, and driving motor's motor shaft end is fixed with the gear, meshes with the ring gear mutually, and the inlet pipe passes the sealed dustproof end cap bearing that is close to inlet pipe one side and stretches into the ball-milling district after passing from the ring gear in the middle of.

Through adopting above-mentioned technical scheme, the inlet pipe passes from the gear ring centre, does not influence the rotation of gear ring, therefore the inlet pipe need not take out from the ball-milling district at the during operation, and this equipment can be processed while feeding, further improves the work efficiency of this equipment.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses going on ball-milling operation step and planet cylinder mill step simultaneously at the crocus cylinder, not only having guaranteed the processingquality to the bentonite raw materials, and effectively improved the production efficiency of high accuracy bentonite, still carry out the spiral shell row to the bentonite finished product with the guide plate in addition, replaced traditional wind row, the dust effusion phenomenon that appears when can avoiding wind row, the environmental protection practices thrift the cost.

Drawings

Fig. 1 is a schematic view of the overall internal structure of the embodiment of the present invention.

Fig. 2 is the overall structure schematic diagram of the planetary roller mill according to the embodiment of the present invention.

Fig. 3 is an enlarged schematic view of the overall structure of the planetary roller mill in the embodiment of the present invention.

Fig. 4 is an enlarged schematic view of the structure of the milling roller rotating assembly according to the embodiment of the present invention.

Fig. 5 is an enlarged schematic view of the structure of the partition board according to the embodiment of the present invention.

In the above drawings: 1. a base; 2. grinding the roller bearing support; 3. grinding the roller bearing; 4. a milling drum; 5. a feed pipe; 6. milling the inner barrel; 61. a ball milling zone; 611. grinding balls; 62. a planetary roller grinding area; 7. grinding a planetary roller; 11. a powder outlet; 63. a partition panel; 10. a baffle; 41. a discharge port; 42. sealing the dustproof plug; 43. sealing the dustproof plug bearing; 8. a milling drum rotation assembly; 9. a planetary roller mill rotating assembly; 631. a notch; 71. a main shaft; 72. a planet wheel; 73. a planet carrier; 74. the rotating shaft fixes the bearing; 75. a drum; 76. a rotating shaft; 77. a planetary gear; 751. grinding into powder; 12. a gear ring; 13. a drive motor; 131. a gear; 14. a grinding motor.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in figure 1, a bentonite grinding device comprises two bases 1 which are arranged in parallel and have the same height, a grinding roller bearing support 2 and a grinding roller bearing 3 arranged in the grinding roller bearing support 2 are fixed on the upper side of the base 1, a grinding roller 4 is arranged in the grinding roller bearing 3, one end of the grinding roller 4 is provided with a feeding pipe 5, a grinding inner cylinder 6 is arranged in the grinding roller 4, one side of the grinding inner cylinder 6 close to the feeding pipe 5 is a ball milling area 61, the inside of the ball milling area 61 is provided with sixty grinding balls 611 for grinding bentonite, one side far away from the feeding pipe 5 is a planetary roller milling area 62, a planetary roller mill 7 is arranged in the planetary roller milling area 62, the side wall of the planetary roller milling area 62 is provided with a powder outlet 11 through which only bentonite powder can pass, a bin separation plate 63 is arranged between the ball milling area 61 and the planetary roller milling area 62, a spiral guide plate 10 is fixed on the inner wall of the grinding roller 4 outside the planetary roller milling area 62, the side wall of the grinding roller 4 far away from the feeding pipe 5 is provided with a discharging port 41, two ends of the grinding roller 4 are provided with sealed dustproof plugs 42, sealed dustproof plug bearings 43 are embedded in the sealed dustproof plugs 42, one end of the grinding roller 4 close to the feeding pipe 5 is provided with a grinding roller rotating component 8, one end of the grinding roller 4 close to the discharging port 41 is provided with a planetary roller grinding rotating component 9, when the grinding roller 4 works, bentonite raw materials enter a ball grinding area 61 of a grinding inner barrel 6 from the feeding pipe 5, when the grinding roller 4 rolls, grinding balls 611 are driven to be in the air along the inner wall of the ball grinding area 61 continuously and then fall down, so that the bentonite raw materials are repeatedly knocked, crushed and ground into fine particles, then the bentonite particles are delivered to the planetary roller grinding area 62, and under the continuous rotation of the planetary roller 7, bentonite granule is further ground into the bentonite powder that the granule diameter is littleer, when the bentonite powder diameter is less than the hole 11 of giving out powder, the bentonite powder just enters into the intermediate layer of crocus cylinder 4 and planet cylinder mill district 62 from the hole 11 of giving out powder, receive the promotion effect of heliciform guide plate 10 to remove towards the direction of discharge gate 41 when rotating, final hyperfine bentonite finished product is finally discharged from discharge gate 41, crocus cylinder 4 is driven by crocus cylinder rotating assembly 8, rotate in crocus cylinder bearing 3, planet cylinder mill 7 is driven by planet cylinder mill rotating assembly 9 and is rotated in planet cylinder mill district 62, the direction of rotation of both is opposite, sealed dustproof end cap 42 can play the effect of preventing the dust escape in crocus cylinder 4, the utility model discloses carry out ball-milling operation step and planet cylinder mill step simultaneously at crocus cylinder 4, not only guaranteed the processingquality to the bentonite raw materials, the production efficiency of the high-precision bentonite is effectively improved, secondary processing in the traditional processing step is omitted, and in addition, the flow guide plate 10 is used for carrying out spiral discharge on the finished bentonite product to replace the traditional air discharge, so that the dust escape phenomenon during the air discharge can be avoided, the environment is protected, the loss caused by the finally collected superfine bentonite product due to the dust escape is reduced, and the cost is saved; the diameter of the cylinder wall of the ball milling area 61 close to one side of the feeding pipe 5 is smaller than that of the cylinder wall of the ball milling area 62 close to one side of the planetary roller milling area 62, the inside of the ball milling area 61 is in an inclined state, the lower the ball milling area 61 is close to the planetary roller milling area 62, and therefore bentonite in the ball milling area 61 can gradually move towards the planetary roller milling area 62 during ball milling.

As shown in fig. 5, the partition plate 63 is circular, and the edge thereof is provided with a notch 631 through which the bentonite particles can pass and the grinding balls 611 cannot pass, so that the bentonite in the ball milling area 61 can pass through the partition plate 63 when gradually moving to the planetary roller milling area 62 during ball milling, the grinding balls 611 are blocked from rolling out of the ball milling area 61, and the function of limiting only the bentonite particles to pass is achieved, and the grinding balls 611 are always kept in the ball milling area 61.

As shown in fig. 2, the planetary roller mill 7 includes a main shaft 71, planetary wheels 72, a planetary carrier 73, a rotating shaft fixed bearing 74, and a roller 75, wherein the planetary wheels 72 are fixed on the inner side plate of the milling roller 4, the main shaft 71 horizontally passes through the center of the planetary wheels 72, the planetary carrier 73 is two supports vertically and rotatably sleeved on the main shaft 71, the rotating shaft fixed bearing 74 is arranged at both ends of the planetary carrier 73, the rotating shaft 76 is rotatably connected between the rotating shaft fixed bearings 74, the rotating shaft 76 is fixedly sleeved with a planetary gear 77, the planetary gear 77 is engaged with the gear inside the planetary wheels 72, the roller 75 is rotatably sleeved on the rotating shaft 76, the main shaft 71 drives the planetary carrier 73 when rotating, the planetary carrier 73 is engaged with the gear inside the planetary wheels 72 through the planetary gear 77 on the rotating shaft 76, and the planetary roller mill 7 rotates in the opposite direction with the milling roller 4, so that the, further improving the efficiency of grinding the bentonite, the planet gear 77 can improve the stability of the planet carrier 73, and the drum 75 can rotate on the rotating shaft 76 and grind the bentonite.

As shown in fig. 3, the surface of the drum 75 is provided with three protruding milling rings 751 along the radial direction thereof, the width of the milling rings 751 is less than one half of the axial length of the drum 75, the particle diameter of bentonite is determined by the gap between the milling rings 751 and the inner side wall of the planetary drum milling area 62, and the grooves formed between the protruding milling rings 751 are used for accommodating the bentonite squeezed out from the two sides when the milling rings 751 crush the bentonite, thereby preventing the phenomenon that the gaps between the milling rings 751 and the inner side wall of the planetary drum milling area 62 are blocked by too much bentonite, which causes the planetary drum mill 7 to be blocked and stop rotating.

As shown in fig. 1, the planetary roller mill rotating assembly 9 includes a milling motor 14 fixed on the outer side wall of the base 1 near the side of the discharging port 41, a main shaft 71 penetrates out of the milling drum 4 from a sealed dustproof bulkhead bearing 43 near the side of the discharging port 41 and is connected with the milling motor 14 through a belt, the milling motor 14 provides power for the rotation of the main shaft 71, and the main shaft 71 extends out of the sealed dustproof bulkhead bearing 43 near the side of the discharging port 41, so that the main shaft 71 and the milling drum 4 can rotate in opposite directions; milling cylinder rotating assembly 8 includes milling cylinder 4 and is close to the fixed ring gear 12 of port department of inlet pipe 5 one end, be fixed with driving motor 13 on the base 1 lateral wall of ring gear 12 lower part, driving motor 13's motor shaft end is fixed with gear 131, mesh mutually with ring gear 12, inlet pipe 5 passes the sealed dustproof end cap bearing 43 that is close to inlet pipe 5 one side and stretches into ball-milling district 61 after passing in the middle of ring gear 12, inlet pipe 5 passes in the middle of ring gear 12, do not influence the rotation of ring gear 12, consequently inlet pipe 5 need not take out from ball-milling district 61 at the during operation, this equipment can be processed on the limit feeding, further improve the work efficiency of this equipment.

As shown in fig. 2, the end of the main shaft 71 is rotatably disposed in the partition plate 63, and the end of the main shaft 71 can be rotatably connected through a bearing disposed in the partition plate 63, so that both ends of the main shaft 71 are supported, and the main shaft 71 is more stable.

The utility model discloses go on ball-milling operation step and planet cylinder mill step simultaneously at crocus cylinder 4, not only guaranteed the processingquality to the bentonite raw materials, and effectively improved the production efficiency of high accuracy bentonite, still carry out the spiral shell row to the bentonite finished product with guide plate 10 in addition, replaced traditional wind row, the dust effusion phenomenon that appears when can avoiding wind to arrange, the environmental protection practices thrift the cost.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a bentonite grinding equipment, includes two parallel arrangement and equal high bases (1), base (1) upside is fixed with crocus cylinder bearing support (2), set up in crocus cylinder bearing (3) in crocus cylinder bearing support (2) be provided with crocus cylinder (4) in crocus cylinder bearing (3), the one end of crocus cylinder (4) is equipped with inlet pipe (5), its characterized in that is equipped with crocus inner tube (6) in crocus cylinder (4), one side that is close to in crocus inner tube (6) inlet pipe (5) is ball-milling district (61), ball-milling district (61) inside is equipped with a plurality of grinding balls (611) that are used for grinding bentonite, keeps away from one side of inlet pipe (5) is planet cylinder milling district (62), be equipped with planet cylinder milling (7) in planet cylinder milling district (62), the side wall of the planetary roller milling area (62) is provided with a powder outlet hole (11) through which only bentonite powder can pass, a partition plate (63) is arranged between the ball milling area (61) and the planetary roller milling area (62), a plurality of spiral guide plates (10) are fixed on the inner wall of the milling roller (4) outside the planetary roller milling area (62), a discharge hole (41) is arranged on the side wall of the milling roller (4) far away from one side of the feed pipe (5), two ends of the milling roller (4) are provided with sealed dustproof plugs (42), sealed dustproof plug bearings (43) are embedded in the sealed dustproof plugs (42), a milling roller rotating component (8) is arranged at one end of the milling roller (4) close to the feeding pipe (5), one end of the milling roller (4) close to the discharge hole (41) is provided with a planetary roller mill rotating assembly (9).

2. The bentonite grinding apparatus of claim 1, wherein: the diameter of the cylinder wall of the ball milling area (61) close to one side of the feeding pipe (5) is smaller than that of the cylinder wall of the planetary roller milling area (62).

3. The bentonite grinding apparatus of claim 2, wherein: the partition plate (63) is circular, and the edge of the partition plate is provided with a notch (631) through which bentonite particles can pass but the grinding balls (611) cannot pass.

4. The bentonite grinding apparatus of claim 1, wherein: planet cylinder grinds (7) includes main shaft (71), planet wheel (72), planet carrier (73), pivot fixed bearing (74), cylinder (75), and wherein planet wheel (72) are fixed in on the interior plate of crocus cylinder (4), main shaft (71) are followed horizontally planet wheel (72) centre of a circle position is passed, planet carrier (73) be two perpendicular and rotationally overlap in the support of main shaft (71), pivot fixed bearing (74) set up in the both ends of planet carrier (73) rotationally connect pivot (76) between pivot fixed bearing (74), fixed cover has planetary gear (77) on pivot (76), planetary gear (77) with the inboard gear of planet wheel (72) meshes mutually, cylinder (75) rotationally overlap on pivot (76).

5. The bentonite grinding apparatus of claim 4, wherein: the surface of the roller (75) is provided with a plurality of protruding grinding rings (751) along the radial direction, and the width of the grinding rings (751) is less than one half of the axial length of the roller (75) comprehensively.

6. The bentonite grinding apparatus of claim 4, wherein: planetary roller grinds rotating assembly (9) including fixing crocus motor (14) on base (1) lateral wall near discharge gate (41) one side, main shaft (71) are followed and are close to wear out in sealed dustproof end cap bearing (43) of discharge gate (41) one side crocus cylinder (4) outside, and with crocus motor (14) pass through the belt and connect.

7. The bentonite grinding apparatus of claim 4, wherein: the tail end of the main shaft (71) is rotatably arranged in the partition plate (63).

8. The bentonite grinding apparatus of claim 1, wherein: crocus cylinder rotating assembly (8) include crocus cylinder (4) are close to the port department fixed gear ring (12) of inlet pipe (5) one end, be fixed with driving motor (13) on base (1) lateral wall of gear ring (12) lower part, the motor shaft end of driving motor (13) is fixed with gear (131), with gear ring (12) mesh mutually, inlet pipe (5) are followed pass after in the middle of gear ring (12) and are close to sealed dustproof end cap bearing (43) of inlet pipe (5) one side and stretch into ball-milling district (61).