CN215541414U

CN215541414U - Ball mill

Info

Publication number: CN215541414U
Application number: CN202122024054.XU
Authority: CN
Inventors: 赵宝峰; 傅欢锋; 丁美耀; 周伟良
Original assignee: Zhejiang Elephant New Material Co Ltd
Current assignee: Zhejiang Elephant New Material Co Ltd
Priority date: 2021-08-25
Filing date: 2021-08-25
Publication date: 2022-01-18
Anticipated expiration: 2031-08-25

Abstract

The utility model relates to a ball mill, it includes barrel, support and drive arrangement, the barrel rotates to be connected on the support, be provided with the discharging pipe on the barrel, the charge door has been seted up on the barrel, be provided with a plurality of grinding balls in the barrel, many belt grooves have been seted up on the barrel, many the belt groove with the barrel is with the axle center, many the belt groove distributes along barrel length direction, drive arrangement includes motor, belt and belt pulley, the motor with belt pulley coaxial coupling, the belt inslot imbeds the belt passes through the belt with barrel one side the belt pulley connection. The belt pulley passes through the belt and drives the barrel rotatory in this application, and a plurality of belt grooves have increased lifting surface for the barrel rotates more stably, has reduced the possibility that the axis of rotation damaged.

Description

Ball mill

Technical Field

The application relates to the field of ore crushing, in particular to a ball mill.

Background

The ball mill is a key device for crushing after the material is crushed, and is widely applied to production industries of cement, silicate products, novel building materials, refractory materials, chemical fertilizers, black and non-ferrous metal ore dressing, glass ceramics and the like, and used for dry or wet grinding of various ores and other grindable materials. The ball mill is suitable for grinding various ores and other materials, and is widely applied to the industries of mineral separation, building materials, chemical industry and the like.

Chinese utility model patent with grant publication number CN211436410U discloses an anti-oxidation ball mill, including barrel, support and base, the barrel both ends are connected with the leg joint through pivot and right pivot, the epaxial belt pulley of pivot passes through belt and the belt pulley connection on the motor, motor and support setting are on the base, be provided with the loading hopper on the barrel, threaded connection has sealed lid on the loading hopper, the inside grinding ball that is provided with of barrel, the barrel switches on through pivot and evacuation pipe, be provided with the check valve on the evacuation pipe, still be provided with the discharging pipe on the barrel, be provided with the solenoid valve on the discharging pipe, can dismantle on the discharging pipe and be connected with anti-oxidation collection device, the inside anti-collision device who avoids the grinding ball striking sealed lid that is provided with of barrel, the barrel includes by outer to interior metal level, the belt layer, A sound absorbing material layer and a tempered glass layer. The utility model discloses a powder after avoiding grinding that can be fine is by the oxidation.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the belt pulley on this application pivot passes through belt and the belt pulley connection on the motor to let the motor drive the pivot of a left side and rotate and then drive the barrel rotatory, this intensity requirement to the pivot of a left side can be very high, very easy damage, also has very high requirement to the torque of motor.

SUMMERY OF THE UTILITY MODEL

To reduce the potential for damage to the rotating shaft, the present application provides a ball mill.

The application provides a ball mill adopts following technical scheme:

the utility model provides a ball mill, includes barrel, support and drive arrangement, the barrel rotates to be connected on the support, be provided with the discharging pipe on the barrel, the charge door has been seted up on the barrel, be provided with a plurality of grinding balls in the barrel, many belt grooves have been seted up on the barrel, many the belt groove with the barrel is with the axle center, many the belt groove distributes along barrel length direction, drive arrangement includes motor, belt and belt pulley, the motor with belt pulley coaxial coupling, the belt inslot embedding the belt passes through the belt with barrel one side the belt pulley connection.

Through adopting above-mentioned technical scheme, utilize the charge door to feed in raw material to the barrel, reinforced after finishing, the motor drives the belt pulley rotation, and it is rotatory that the belt pulley passes through the belt and drives the barrel, and a plurality of belt grooves have increased lifting surface area for the barrel rotates more stably, has reduced the possibility that the axis of rotation damaged. When the cylinder rotates, the grinding balls are attached to the inner wall of the cylinder and taken away by the cylinder due to the action of inertia, centrifugal force and friction force, and when the grinding balls are taken to a certain height, the grinding balls are thrown off due to the action of gravity of the grinding balls, the falling grinding bodies smash materials in the cylinder like projectiles, and after the ball mill works, the materials are discharged through the discharge pipe.

Optionally, the rotating shafts are coaxially fixed at two ends of the cylinder, the support is provided with a supporting bearing, and the rotating shafts are rotatably connected with the supporting bearing.

Through adopting above-mentioned technical scheme, the axis of rotation is installed on support bearing, has reduced the rotational friction for it is more stable to rotate.

Optionally, be provided with in the barrel and be used for sheltering from the baffle of charge door, the baffle is followed barrel length direction with the barrel inner wall is slided and is connected, thereby be provided with on the barrel and be used for the drive thereby the baffle slides and opens the adjusting device of charge door.

Through adopting above-mentioned technical scheme, utilize the baffle to shelter from the charge door, the effectual material that has prevented flows when the barrel rotates, in the time of reinforced, drives the baffle through adjusting device and removes to open the charge door, add material, remove the baffle to the position that blocks the charge door once more through adjusting device after reinforced accomplishing.

Optionally, adjusting device includes regulating spindle, gear, rack, the regulating spindle sets up just wear out in the barrel outer wall, the gear is fixed the tip of regulating spindle at the barrel internal portion, the rack sets up along barrel length direction on the baffle, the gear with rack toothing.

Through adopting above-mentioned technical scheme, it is rotatory to rotate the regulating spindle outside the barrel and drive the gear, thereby the gear drives rack removal and makes the baffle slide, and the operation is convenient.

Optionally, a first mounting hole is formed in the outer wall of the barrel body, a second mounting hole penetrating through the inner wall of the barrel body is formed in the bottom of the first mounting hole, the first mounting hole and the second mounting hole form a first supporting surface, an end cover is detachably arranged on the first supporting surface, and the adjusting shaft penetrates out of the end cover.

Through adopting above-mentioned technical scheme, open the end cover, pack into gear and regulating spindle through the second mounting hole for gear and rack meshing, then cover the end cover fixedly, made things convenient for rack and pinion's dismouting.

Optionally, an annular fixing seat is arranged on the end cover, a plurality of fixing holes are formed in the annular fixing seat, a through hole is formed in the part, penetrating out of the barrel, of the adjusting shaft, a fixing bolt is connected to the fixing hole in a threaded mode, and the bottom of the fixing bolt extends into the through hole.

Through adopting above-mentioned technical scheme, when reinforced, twist out the through-hole with fixing bolt, rotate the regulating spindle, drive gear revolve to drive the rack and remove, make the baffle slide, thereby open the charge door, reinforced back that finishes, twist into the through-hole with fixing bolt, make the regulating spindle can not take place to rotate, thereby fixed the gear, make the rack can not take place to remove, thereby fixed the baffle, avoided the charge door can open after reinforced finishing.

Optionally, the part of the adjusting shaft penetrating out of the cylinder body is provided with a connecting part for facilitating the rotation of the adjusting shaft by a wrench.

Through adopting above-mentioned technical scheme, compare and directly rotate the regulating spindle, utilize the spanner to rotate the regulating spindle, it is more convenient, laborsaving.

Optionally, a maintenance opening penetrating through the inner wall and the outer wall of the barrel is formed in the barrel, a groove is formed in the outer wall of the barrel, the groove and the maintenance opening form a second supporting surface, and a maintenance cover is detachably arranged on the supporting surface.

Through adopting above-mentioned technical scheme, when mechanism damaged in the barrel, the workman can get into the inside mechanism to the damage of barrel from the maintenance mouth and maintain, has made things convenient for the maintenance.

Optionally, the grinding balls are of different diameters.

Through adopting above-mentioned technical scheme, the space between the big ball is filled by the bobble to improve the bulk density of grinding ball fully, improved the impact capacity and the impact number of times of grinding ball, improved the grinding effect.

Optionally, the grinding balls are made of magnetic materials, the innermost layer of the inner wall of the cylinder body is a lining plate, a magnetic layer is arranged between the lining plate and the outermost layer of the cylinder body, and the attraction force between the magnetic layer and the grinding balls is smaller than the gravity of the grinding balls.

Through adopting above-mentioned technical scheme, the gravitation between grinding ball and the welt has increased the effort between grinding ball and the welt for the grinding ball is highly higher that can reach when the barrel is rotatory, has improved the grinding effect.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the barrel is fed by the feeding port, after feeding is finished, the motor drives the belt pulley to rotate, the belt pulley drives the barrel to rotate through the belt, the stress area is increased by the plurality of belt grooves, the barrel is enabled to rotate more stably, and the possibility of damage to the rotating shaft is reduced;

2. the baffle plate can be used for shielding the feeding opening, so that the material is effectively prevented from flowing out when the barrel rotates, the baffle plate is driven to move by the adjusting device during feeding, the feeding opening is opened, feeding is carried out, and the baffle plate is moved to the position for blocking the feeding opening by the adjusting device after feeding is finished;

3. the gravitation between grinding ball and the welt has increased the effort between grinding ball and the welt for the grinding ball is highly higher that can reach when the barrel is rotatory, has improved the grinding effect.

Drawings

Fig. 1 is a schematic perspective view of a ball mill according to an embodiment of the present application.

Fig. 2 is a partial sectional view of the cylinder in the embodiment of the present application, for illustrating the structure of the baffle.

FIG. 3 is a cross-sectional view of the cylinder and the baffle in the circumferential direction of the cylinder in the embodiment of the present application.

Fig. 4 is a cross-sectional view of the end cap and annular retainer in an embodiment of the present application.

Fig. 5 is a schematic perspective view of an adjusting device in an embodiment of the present application.

Fig. 6 is a schematic perspective view of the end cap and the annular fixing seat in the embodiment of the present application.

Fig. 7 is a sectional view of a service cover in an embodiment of the present application.

Description of reference numerals: 1. a barrel; 11. a rotating shaft; 12. a belt groove; 13. a feed inlet; 14. a baffle plate; 141. a bump; 142. mounting grooves; 15. a first chute; 151. a second chute; 16. a first mounting hole; 161. a second mounting hole; 162. a first support surface; 2. a support; 21. a support bearing; 3. a drive device; 31. a motor; 32. a belt; 33. a belt pulley; 4. an adjustment device; 41. an adjustment shaft; 411. a connecting portion; 412. a through hole; 42. a gear; 43. a rack; 5. an end cap; 51. positioning the bolt; 52. an annular fixed seat; 521. a fixing hole; 522. fixing the bolt; 6. a maintenance port; 61. maintaining the cover; 62. locking the bolt; 63. a groove; 64. a second support surface; 7. a liner plate; 71. and a magnetic layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a ball mill. Referring to fig. 1, the ball mill includes a cylinder 1, a support 2 and a driving device 3, wherein rotating shafts 11 are coaxially fixed at both ends of the cylinder 1, the support 2 is located at both ends of the cylinder 1 and is provided with a support bearing 21, and the rotating shafts 11 are installed in the support bearing 21.

A plurality of belt grooves 12 are formed in the barrel body 1, the belt grooves 12 are coaxial with the barrel body 1, and the belt grooves 12 are distributed along the length direction of the barrel body 1. Drive arrangement 3 includes motor 31, belt 32 and belt pulley 33, and motor 31 and belt pulley 33 coaxial coupling offer quantity and belt pulley groove 12 on the belt pulley 33 correspond and along the belt pulley groove that barrel 1 length direction distributes, and belt 32 has many, and belt 32's one end is connected gradually on the belt pulley groove, and the other end connects gradually on belt pulley groove 12.

Referring to fig. 2 and 3, offer the charge door 13 that runs through 1 inner wall of barrel and outer wall on the barrel 1, be provided with the baffle 14 that is used for sheltering from charge door 13 in the barrel 1, first spout 15 has been seted up along 1 length direction of barrel to 1 inner wall of barrel, the baffle 14 slides and installs in first spout 15, second spout 151 has all been seted up on two lateral walls of 1 length direction of barrel along first spout 15, baffle 14 is provided with lug 141 along the homogeneous body on two lateral walls of 1 length direction of barrel, lug 141 slides with second spout 151 and is connected.

Referring to fig. 4, a first mounting hole 16 is formed in the outer wall of the cylinder 1, a second mounting hole 161 penetrating through the inner wall of the cylinder 1 is formed at the bottom of the first mounting hole 16, the first mounting hole 16 and the second mounting hole 161 form a first supporting surface 162, an end cover 5 is arranged on the first supporting surface 162, a plurality of positioning threaded holes are formed in the first supporting surface 162, the end cover 5 is fixed on the first supporting surface 162 through a plurality of positioning bolts 51, and the plurality of positioning bolts 51 are in threaded connection with the plurality of positioning threaded holes.

Referring to fig. 4 and 5, the adjusting device 4 for driving the baffle plate 14 to slide so as to open the charging port 13 is arranged on the barrel 1, and the adjusting device 4 comprises an adjusting shaft 41, a gear 42 and a rack 43. The adjusting shaft 41 is installed in the cylinder 1, penetrates out of the end cover 5 and is coaxial with the end cover 5, and the end part of the adjusting shaft 41, which penetrates out of the cylinder 1, is integrally provided with a connecting part 411 with a regular hexagonal cross section, so that the adjusting shaft 41 can be conveniently rotated by a wrench. Gear 42 is fixed and is located barrel 1 inner part's tip at regulating shaft 41, and mounting groove 142 has been seted up on the surface of baffle 14 laminating first spout 15 tank bottom, and mounting groove 142 runs through the lateral wall of baffle 14 and the laminating of first spout 15, and rack 43 welds on mounting groove 142, and gear 42 and rack 43 mesh.

Referring to fig. 6, an annular fixing seat 52 coaxial with the adjusting shaft 41 is fixed on the end cover 5, a plurality of fixing holes 521 distributed along the circumferential direction of the annular fixing seat 52 are formed in the annular fixing seat 52, a through hole 412 is formed in a portion of the adjusting shaft 41 penetrating through the cylinder 1, a fixing bolt 522 is connected to the fixing hole 521 through a thread, and the bottom of the fixing bolt 522 extends into the through hole 412.

Referring to fig. 7, a maintenance opening 6 penetrating through the inner wall and the outer wall of the barrel body 1 is formed in the barrel body 1, a groove 63 is formed in the outer wall of the barrel body 1, the groove 63 and the maintenance opening 6 form a second supporting surface 64, a maintenance cover 61 is arranged on the supporting surface, a plurality of locking threaded holes are formed in the second supporting surface 64, the maintenance cover 61 is fixed on the second supporting surface 64 through a plurality of locking bolts 62, and the locking bolts 62 are in threaded connection with the locking threaded holes.

Referring to fig. 1 and 7, a plurality of grinding balls with different diameters are placed in a cylinder 1, the innermost layer of the inner wall of the cylinder 1 is a lining plate 7, a magnetic layer 71 is installed between the lining plate 7 and the outermost layer of the cylinder 1, and the attraction force of the grinding balls and the magnetic layer 71 is smaller than the gravity of the grinding balls.

The implementation principle of the ball mill in the embodiment of the application is as follows: the work of motor 31 drives belt pulley 33 rotatory, belt pulley 33 drives barrel 1 through belt 32 and rotates, material and grinding ball rotate and move in barrel 1 along with barrel 1, under the effort of barrel 1 and grinding ball, grinding ball can attach on barrel 1 inner wall, when grinding ball rises to a take the altitude, under the action of gravity, the grinding body can be thrown off, the whereabouts grinding body gives the material in barrel 1 and breaks like the projectile, after the ball mill work, the material passes through the discharging pipe and discharges.

During feeding, screw fixing bolt 522 out through-hole 412, it is rotatory to utilize the spanner to rotate regulating spindle 41 and drive gear 42, make rack 43 take place to remove then drive baffle 14 and remove, thereby open charge door 13, after reinforced the completion, it is rotatory to utilize the spanner to rotate regulating spindle 41 and drive gear 42, make rack 43 take place to remove then drive baffle 14 and remove, thereby close charge door 13, then screw fixing bolt 522 into through-hole 412, make regulating spindle 41 can not take place to rotate, thereby make charge door 13 can not open after reinforced finishing.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a ball mill, includes barrel (1), support (2) and drive arrangement (3), barrel (1) rotates to be connected on support (2), be provided with the discharging pipe on barrel (1), charge door (13) have been seted up on barrel (1), be provided with a plurality of grinding balls in barrel (1), its characterized in that: seted up many belt grooves (12) on barrel (1), many belt groove (12) with barrel (1) is with the axle center, many belt groove (12) distribute along barrel (1) length direction, drive arrangement (3) include motor (31), belt (32) and belt pulley (33), motor (31) with belt pulley (33) coaxial coupling, embedded in belt groove (12) belt (32) and pass through belt (32) with barrel (1) one side belt pulley (33) are connected.

2. The ball mill according to claim 1, characterized in that: the drum body (1) is characterized in that rotating shafts (11) are coaxially fixed at two ends of the drum body (1), supporting bearings (21) are arranged on the support (2), and the rotating shafts (11) are rotatably connected with the supporting bearings (21).

3. The ball mill according to claim 1, characterized in that: be provided with in barrel (1) and be used for sheltering from baffle (14) of charge door (13), baffle (14) are followed barrel (1) length direction with barrel (1) inner wall slides and is connected, thereby be provided with on barrel (1) and be used for the drive baffle (14) slide and open adjusting device (4) of charge door (13).

4. The ball mill according to claim 3, characterized in that: adjusting device (4) are including regulating shaft (41), gear (42), rack (43), regulating shaft (41) set up in barrel (1) and wear out barrel (1) outer wall, gear (42) are fixed regulating shaft (41) are at the tip of barrel (1) inside part, rack (43) set up along barrel (1) length direction on baffle (14), gear (42) with rack (43) meshing.

5. The ball mill according to claim 4, characterized in that: first mounting hole (16) have been seted up to barrel (1) outer wall, second mounting hole (161) that run through barrel (1) inner wall are seted up at first mounting hole (16) hole bottom, first mounting hole (16) with second mounting hole (161) form first holding surface (162), can dismantle on first holding surface (162) and be provided with end cover (5), regulating spindle (41) are followed end cover (5) are worn out.

6. The ball mill according to claim 5, characterized in that: the end cover (5) is provided with an annular fixed seat (52), the annular fixed seat (52) is provided with a plurality of fixed holes (521), the part of the adjusting shaft (41) penetrating out of the barrel body (1) is provided with a through hole (412), the fixed holes (521) are connected with a fixed bolt (522) in a threaded mode, and the bottom of the fixed bolt (522) extends into the through hole (412).

7. The ball mill according to claim 4, characterized in that: the part of the adjusting shaft (41) penetrating out of the barrel body (1) is provided with a connecting part (411) which is convenient for a spanner to rotate the adjusting shaft (41).

8. The ball mill according to claim 1, characterized in that: the novel maintenance device is characterized in that a maintenance opening (6) penetrating through the inner wall and the outer wall of the barrel body (1) is formed in the barrel body (1), a groove (63) is formed in the outer wall of the barrel body (1), the groove (63) and the maintenance opening (6) form a second supporting surface (64), and a maintenance cover (61) is detachably arranged on the supporting surface.

9. The ball mill according to claim 1, characterized in that: the grinding balls are different in diameter.

10. The ball mill according to claim 1, characterized in that: the grinding balls are made of magnetic materials, the innermost layer of the inner wall of the barrel body (1) is a lining plate (7), a magnetic layer (71) is arranged between the lining plate (7) and the outermost layer of the barrel body (1), and the attraction force between the magnetic layer (71) and the grinding balls is smaller than the gravity of the grinding balls.