CN109499683B

CN109499683B - Dry ball mill for ore selection

Info

Publication number: CN109499683B
Application number: CN201811202159.6A
Authority: CN
Inventors: 崔道坦
Original assignee: Rizhao Juxian Xinyou Mining Co Ltd
Current assignee: Rizhao Juxian Xinyou Mining Co., Ltd
Priority date: 2018-10-16
Filing date: 2018-10-16
Publication date: 2020-11-24
Anticipated expiration: 2038-10-16
Also published as: CN109499683A

Abstract

The invention discloses a dry ball mill for mining, which comprises a cylinder body, wherein a first lower seat, a second lower seat and a large gear are arranged on the cylinder body, the first lower seat and the second lower seat are respectively positioned at two sides of the large gear, one side of the first lower seat and one side of the second lower seat are respectively and rotatably connected with a first upper cover and a second upper cover through hinges, movable clamping grooves are respectively arranged in the first upper cover and the second upper cover, and fixed clamping grooves are respectively arranged in the first lower seat and the second lower seat. In a movable state, and then the bolt between the upper cover and the lower seat is released by a tool.

Description

Dry ball mill for ore selection

Technical Field

The invention belongs to the technical field of ball mills, and particularly relates to a dry ball mill for ore selection.

Background

The ball mill is a key device for crushing materials after the materials are crushed, the ore mill of the type is characterized in that a certain amount of steel balls are filled in a cylinder body of the ore mill to be used as grinding media, the ore mill 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, dry-type or wet-type grinding is carried out on various ores and other grindable materials, and the ball mill is suitable for grinding various ores and other materials, is widely applied to industries of ore dressing, building materials, chemical engineering and the like, and can be divided into a dry-type ore grinding mode and a wet-.

However, current dry-type ball mill is separated the mill barrel for two-stage through the partition board in the course of the work, form the two storehouses of ball-milling, thereby increase the crushing efficiency of ball mill, but the partition board is fixed in inside the barrel, can't change, be not convenient for control ball mill to the crushing degree of mineral substance, make final row material have randomness, if the unloading speed is too fast at the in-process of work in addition ball mill, cause the interior material of barrel too much, reduce the crushing efficiency of ball mill easily, and whole ball mill's feeding and discharging efficiency are lower, make the barrel appear the accumulational phenomenon of defective material easily, reduce the life of ball mill.

Disclosure of Invention

The invention aims to provide a dry ball mill for ore selection, which aims to solve the problems that the existing dry ball mill is inconvenient to control the crushing degree of a ball mill on mineral substances, control the blanking speed and have lower feeding and discharging efficiency.

In order to achieve the purpose, the invention provides the following technical scheme: a dry ball mill for mining comprises a cylinder body, wherein a first lower seat, a second lower seat and a gear wheel are installed on the cylinder body, the first lower seat and the second lower seat are respectively positioned at two sides of the gear wheel, one side of the first lower seat and one side of the second lower seat are respectively and rotatably connected with a first upper cover and a second upper cover through hinges, movable clamping grooves are respectively formed in the first upper cover and the second upper cover, fixed clamping grooves are respectively formed in the first lower seat and the second lower seat, fixing bolts are respectively installed in the movable clamping grooves and the fixed clamping grooves, the first lower seat and the second lower seat are respectively and fixedly connected with a first partition board and a second partition board through the fixed clamping grooves, a sieve plate is respectively installed at the middle position of the first partition board and the second partition board, positioning rings are respectively installed at two sides of the first partition board and the second partition board, and a material through hole is formed at the middle position of the positioning rings, and the position department that lies in the through-material hole both sides on the holding ring has all seted up the locked groove, the bolt hole has all been seted up to the both sides of first partition board and second partition board, locking lever and reset spring are all installed to the position department of bolt hole both sides, reset spring overlaps and locates on the locking lever.

Preferably, the inside position punishment that is located first partition panel both sides of barrel is formed with first crushing storehouse and the crushing storehouse of second respectively, the welt is all installed to the inner wall in first crushing storehouse and the crushing storehouse of second, and the inside in first crushing storehouse and the crushing storehouse of second all is provided with the steel ball.

Preferably, a first bearing seat and a second bearing seat are respectively installed at two ends of the cylinder body, and the first bearing seat and the second bearing seat are installed at the top end of the base through installation bases.

Preferably, all rotate between barrel and first bearing frame and the second bearing frame and be connected with the hollow shaft, the internally mounted of hollow shaft has spiral guide piece, the one end that the barrel was kept away from to the second bearing frame is connected with the storage case through arranging the material axle, the internally mounted of storage case has the mounting bracket, the mounting bracket passes through the first motor of construction bolt fixedly connected with, the one end of first motor is rotated through the pivot and is connected with the row material pole, the row material pole is located the inside of arranging the material axle.

Preferably, hopper, first bearing frame, second bearing frame, storage case, second motor, reduction gear and pinion are installed clockwise in proper order to the top of base through the mounting base, all rotate through the pivot between second motor, reduction gear and the pinion and connect, and the pinion is connected with the gear wheel meshing.

Preferably, down the hopper be located one side that the barrel was kept away from to primary shaft bearing, and stopper and fixing base are installed respectively to the both sides inner wall of hopper down, the position department that the hopper inner wall is located fixing base one side down installs hydraulic telescoping rod, one side of fixing base is rotated through the pivot and is connected with the unloading limiting plate, the bottom and the expansion end of hydraulic telescoping rod of unloading limiting plate are connected, first motor, second motor and hydraulic telescoping rod all with external power supply electric connection.

Compared with the prior art, the invention has the following beneficial effects:

(1) the invention is provided with a positioning ring, a first partition board, a locking groove, a fixing bolt, a bolt hole, a lock rod, a reset spring and a second partition board, when the partition board is replaced, the fixing bolt on an upper cover and a lower seat is firstly dismounted, the lock rods on two sides of the bolt hole lose the limit after the fixing bolt is dismounted, the lock rods retract into the partition board under the rebound of the reset spring, at the moment, the partition board and the positioning ring lose the limit and are in a movable state, then the bolt between the upper cover and the lower seat is released through a tool, the upper cover is opened, one side of the partition board is separated from a movable clamping groove after the upper cover is opened, at the moment, the partition board is taken out from between the two positioning rings for replacement, the partition board is selected according to the size of a sieve pore on a sieve plate when the partition board is replaced, the partition board is placed between the two positioning rings again to enable one side of the partition board to be clamped in the, make partition panel both sides just block respectively inside movable clamping groove and fixed slot, screw up fixing bolt again at last, accomplish partition panel and upper cover and lower seat, and the injecing between partition panel and the holding ring, the crushing degree of ball mill can effectively be changed through the change of partition panel, and make the crushing state of ball mill be in controllable state, promote the grinding quality of ball mill, in addition can fix the axial position and the radial position of partition panel simultaneously through fixing bolt, guarantee the stability of barrel partition panel in the rotation process, and the injecing of locking lever and locked groove, can effectively guarantee that the center of partition panel and the center of holding ring are in same straight line, avoid appearing partition panel eccentric phenomenon.

(2) The ball mill is provided with the discharging hopper, the limiting block, the hydraulic telescopic rod, the discharging limiting plate and the fixing seat, when the discharging speed of the ball mill is adjusted, the discharging limiting plate is driven to rotate around the fixing seat relatively through the extension and retraction of the hydraulic telescopic rod, materials fall into the hollow shaft in the first bearing seat along the gap between the discharging limiting plate and the inner wall of the discharging hopper, when the gap between the discharging limiting plate and the inner wall of the discharging hopper is larger, the discharging speed is higher, otherwise, the discharging speed is lower, the discharging speed is properly adjusted according to different ground materials, the crushing efficiency of the ball mill is always in the best state, and therefore the working efficiency of the ball mill is improved.

(3) The ball mill is provided with the hollow shaft, the discharge rod, the first motor and the spiral guide sheet, when feeding, the hollow shaft is driven to rotate by the rotation of the cylinder, the spiral guide sheet in the hollow shaft drives the spiral guide sheet in the hollow shaft to rotate, so that materials in the discharge hopper are brought into the cylinder, when discharging, the crushed materials are guided into the discharge shaft by the hollow shaft, the discharge rod is driven to rotate by the first motor through the rotating shaft, when rotating, the materials in the discharge shaft are brought into the storage box to be stored by the discharge rod, and the feeding and discharging efficiency of the materials is increased through the spiral guide sheet and the discharge rod, so that the accumulation of residual materials in the discharge hopper and the cylinder is avoided, and the service life of the ball mill is prolonged.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a side view of the retaining ring of the present invention;

FIG. 4 is a schematic structural view of a first partition panel according to the present invention;

FIG. 5 is an enlarged view of the invention at A;

FIG. 6 is an enlarged view of the invention at B;

FIG. 7 is a block circuit diagram of the present invention;

in the figure: 1-blanking hopper, 2-first bearing seat, 3-cylinder, 4-first upper cover, 5-big gear, 6-second upper cover, 7-second bearing seat, 8-discharging shaft, 9-discharging rod, 10-storage box, 11-first motor, 12-second motor, 13-base, 14-reducer, 15-second lower seat, 16-pinion, 17-first lower seat, 18-positioning ring, 19-mounting base, 20-hollow shaft, 21-first partition board, 22-mounting frame, 23-second crushing bin, 24-sieve plate, 25-steel ball, 26-first crushing bin, 27-lining plate, 28-spiral guide piece, 29-material through hole, 30-movable clamping groove, 31-fixed clamping groove, 32-a limiting block, 33-a hydraulic telescopic rod, 34-a blanking limiting plate, 35-a fixed seat, 36-a locking groove, 37-a fixing bolt, 38-a bolt hole, 39-a locking rod, 40-a return spring and 41-a second partition plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides the following technical solutions: a dry ball mill for mining use comprises a cylinder 3, a first lower seat 17, a second lower seat 15 and a gear wheel 5 are mounted on the cylinder 3, the first lower seat 17 and the second lower seat 15 are respectively positioned at two sides of the gear wheel 5, one side of the first lower seat 17 and one side of the second lower seat 15 are respectively and rotatably connected with a first upper cover 4 and a second upper cover 6 through hinges, movable clamping grooves 30 are respectively formed in the first upper cover 4 and the second upper cover 6, fixed clamping grooves 31 are respectively formed in the first lower seat 17 and the second lower seat 15, fixing bolts 37 are respectively mounted in the movable clamping grooves 30 and the fixed clamping grooves 31, a first partition board 21 and a second partition board 41 are respectively and fixedly connected with the first lower seat 17 and the second lower seat 15 through the fixed clamping grooves 31, a sieve plate 24 is mounted at the middle position of the first partition board 21 and the second partition board 41, and positioning rings 18 are mounted at two sides of the first partition board 21 and the second partition board 41, the middle position of the positioning ring 18 is provided with a material passing hole 29, the positions of the positioning ring 18, which are positioned at the two sides of the material passing hole 29, are provided with locking grooves 36, the two sides of the first partition board 21 and the second partition board 41 are provided with bolt holes 38, the positions of the two sides of the bolt holes 38 are provided with locking rods 39 and return springs 40, the return springs 40 are sleeved on the locking rods 39, when the partition boards are replaced, firstly, the fixing bolts 37 on the upper cover and the lower seat are dismounted, the locking rods 39 at the two sides of the bolt holes 38 lose the limit after the fixing bolts 37 are dismounted, the return springs 40 are retracted into the partition boards under the rebound of the return springs 40, at the moment, the partition boards and the positioning rings 18 lose the limit and are in a movable state, then, the bolts between the upper cover and the lower seat are dismounted through tools, the upper cover is opened, one side of the partition boards is separated from the movable clamping grooves 30 after the upper cover is opened, at, the selection is made according to the size of the sieve holes on the sieve plate 24 when the partition plate is replaced.

In the invention, preferably, a first crushing bin 26 and a second crushing bin 23 are respectively formed in the barrel 3 at positions on two sides of the first bin separating plate 21, lining plates 27 are respectively arranged on the inner walls of the first crushing bin 26 and the second crushing bin 23, steel balls 25 are respectively arranged in the first crushing bin 26 and the second crushing bin 23, centrifugal force is generated when the barrel 3 rotates, the steel balls are driven to a certain height by friction force between the steel balls and the lining plates 27 and then fall down, and heavy impact and grinding effects are generated on materials.

In the present invention, it is preferable that the first bearing seat 2 and the second bearing seat 7 are respectively installed at both ends of the cylinder 3, the first bearing seat 2 and the second bearing seat 7 are both installed at the top end of the base 13 through the installation base 19, the base 13 is used for ensuring the stability of the whole ball mill, and the installation base 19 is used for installing various ball mill use components.

In the invention, preferably, a hollow shaft 20 is rotatably connected between the cylinder 3 and the first bearing seat 2 and the second bearing seat 7, a spiral material guiding piece 28 is installed inside the hollow shaft 20, one end of the second bearing seat 7, which is far away from the cylinder 3, is connected with a material storage box 10 through a material discharging shaft 8, an installation frame 22 is installed inside the material storage box 10, the installation frame 22 is fixedly connected with a first motor 11 through an installation bolt, one end of the first motor 11 is rotatably connected with a material discharging rod 9 through a rotating shaft, the material discharging rod 9 is positioned inside the material discharging shaft 8, when feeding, the hollow shaft 20 is driven to rotate by the rotation of the cylinder 3, the hollow shaft 20 drives the spiral material guiding piece 28 inside to rotate, thereby the material in the blanking hopper 1 is brought into the cylinder 3, when discharging, the crushed material is guided into the material discharging shaft 8 by the hollow shaft 20, and the material discharging rod 9, the discharging rod 9 brings the materials in the discharging shaft 8 into the material storage box 10 for storage when rotating.

In the present invention, preferably, the top end of the base 13 is sequentially provided with the blanking hopper 1, the first bearing seat 2, the second bearing seat 7, the storage box 10, the second motor 12, the speed reducer 14 and the pinion 16 clockwise through the mounting base 19, the second motor 12, the speed reducer 14 and the pinion 16 are all rotationally connected through a rotating shaft, the pinion 16 is meshed with the gearwheel 5, the first motor 11 and the second motor 12 both adopt Y90L-2 driving motors, and rated voltages thereof are: 380V, rated frequency: 50Hz, rated power: 3KW, during operation, the second motor 12 drives the reducer 14 and the pinion 16 to rotate, the pinion 16 is meshed with the gearwheel 5 when rotating, so that the cylinder 3 is driven to rotate through the gearwheel 5, the cylinder 3 drives the hollow shafts 20 at two ends to rotate in the bearing seats when rotating, and the screw guide pieces 28 inside the hollow shafts 20 are driven to rotate in the rotating process, so that materials guided down in the blanking hopper 1 are conveyed to the inside of the first crushing bin 26.

In the invention, preferably, the lower hopper 1 is positioned on one side of the first bearing seat 2 far away from the barrel 3, the inner walls of two sides of the lower hopper 1 are respectively provided with a limiting block 32 and a fixed seat 35, the inner wall of the lower hopper 1 is positioned on one side of the fixed seat 35 and is provided with a hydraulic telescopic rod 33, one side of the fixed seat 35 is rotatably connected with a blanking limiting plate 34 through a rotating shaft, the bottom end of the blanking limiting plate 34 is connected with the movable end of the hydraulic telescopic rod 33, the first motor 11, the second motor 12 and the hydraulic telescopic rod 33 are all electrically connected with an external power supply, when the blanking speed is adjusted, the blanking limiting plate 34 is driven by the extension of the hydraulic telescopic rod 33 to rotate relatively around the fixed seat 35, and materials fall into the hollow shaft 20 in the first bearing seat 2 along a.

The working principle and the using process of the invention are as follows: when the ball mill is used, firstly, the first motor 11 and the second motor 12 are started to enable the ball mill to rotate in a no-load way, materials to be crushed are added into the ball mill through the blanking hopper 1 after rotating for a certain time, the blanking speed of the blanking hopper 1 is adjusted according to different materials to ensure that the ball mill is always in a high-efficiency crushing state, when the blanking speed is adjusted, the blanking limiting plate 34 is driven to rotate around the fixing seat 35 through the extension and retraction of the hydraulic telescopic rod 33, the materials fall into the hollow shaft 20 in the first bearing seat 2 along the gap between the blanking limiting plate 34 and the inner wall of the blanking hopper 1, the reducer 14 and the pinion 16 are driven to rotate by the second motor 12, the pinion 16 is meshed with the large gear 5 when rotating, the barrel 3 is driven to rotate through the large gear 5, the hollow shafts 20 at two ends are driven to rotate in the bearing seats when the barrel 3 rotates, and the spiral material guiding, so that the material guided down in the lower hopper 1 is conveyed to the inside of the first crushing bin 26, the primary striking and grinding are carried out through the lining plate 27 and the steel ball 25 in the first crushing bin 26, when the crushed material is smaller than the sieve pores on the sieve pore 24 in the middle of the first compartment plate 21, the material passes through the sieve pores and enters the second crushing bin 23, the secondary striking and grinding are carried out until the crushed material can effectively pass through the sieve pore 24 in the middle of the second compartment plate 41, then the crushed material is conveyed into the discharging rod 9 through the discharging rod 9, the first compartment plate 21 and the second compartment plate 41 can be replaced according to different crushing degrees, when the compartment plates are replaced, the fixing bolts 37 on the upper cover and the lower seat are firstly detached, the lock rods 39 on the two sides of the bolt holes 38 lose the limit after the fixing bolts 37 are taken down, the materials retract into the compartment plates under the rebound of the reset spring 40, at this time, the limit between the compartment plates and the positioning ring 18 is lost, and in a movable state, the bolt between the upper cover and the lower seat is released through a tool, the upper cover is opened, one side of the partition plate is separated from the movable clamping groove 30 after the upper cover is opened, the partition plate is taken out from between the two positioning rings 18 for replacement at the moment, the partition plate is selected according to the size of a sieve pore on the sieve plate 24 when replaced, after the selection is completed, the partition plate is placed between the two positioning rings 18 again, one side of the partition plate is clamped in the fixed clamping groove 31, then the upper cover is closed, the two sides of the partition plate are just clamped in the movable clamping groove 30 and the fixed clamping groove 31 respectively, and finally the fixing bolt 37 is screwed again to complete the limitation between the partition plate, the upper cover and the lower seat as well as between the partition plate and the positioning rings 18.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dry ball mill is selected for use in ore deposit, includes barrel (3), its characterized in that: a first lower seat (17), a second lower seat (15) and a gear wheel (5) are installed on the barrel body (3), the first lower seat (17) and the second lower seat (15) are respectively located on two sides of the gear wheel (5), one side of the first lower seat (17) and one side of the second lower seat (15) are respectively and rotatably connected with a first upper cover (4) and a second upper cover (6) through hinges, movable clamping grooves (30) are respectively formed in the first upper cover (4) and the second upper cover (6), fixed clamping grooves (31) are respectively formed in the first lower seat (17) and the second lower seat (15), fixing bolts (37) are respectively installed in the movable clamping grooves (30) and the fixed clamping grooves (31), and a first partition board (21) and a second partition board (41) are respectively and fixedly connected with the first lower seat (17) and the second lower seat (15) through the fixed clamping grooves (31), sieve (24) are all installed to the intermediate position department of first partition storehouse board (21) and second partition storehouse board (41), and locating ring (18) are all installed to the both sides of first partition storehouse board (21) and second partition storehouse board (41), logical material hole (29) have been seted up to the intermediate position department of locating ring (18), and the position department that lies in logical material hole (29) both sides on locating ring (18) has all seted up locked groove (36), bolt hole (38) have all been seted up to the both sides of first partition storehouse board (21) and second partition storehouse board (41), locking lever (39) and reset spring (40) are all installed to the position department of bolt hole (38) both sides, reset spring (40) cover is located on locking lever (39).

2. The mining dry ball mill according to claim 1, characterized in that: the position punishment that barrel (3) inside is located first partition panel (21) both sides do not is formed with first crushing storehouse (26) and second and smashes storehouse (23), welt (27) are all installed to the inner wall that storehouse (23) were smashed to first crushing storehouse (26) and second, and the inside that storehouse (23) were smashed to first crushing storehouse (26) and second all is provided with steel ball (25).

3. The mining dry ball mill according to claim 2, characterized in that: the two ends of the barrel body (3) are respectively provided with a first bearing seat (2) and a second bearing seat (7), and the first bearing seat (2) and the second bearing seat (7) are both arranged at the top end of the base (13) through an installation base (19).

4. The mining dry ball mill according to claim 3, characterized in that: all rotate between barrel (3) and primary shaft bearing (2) and secondary shaft bearing (7) and be connected with hollow shaft (20), the internally mounted of hollow shaft (20) has spiral guide piece (28), the one end that barrel (3) were kept away from in secondary shaft bearing (7) is connected with storage case (10) through row material axle (8), the internally mounted of storage case (10) has mounting bracket (22), mounting bracket (22) are through the first motor (11) of construction bolt fixedly connected with, the one end of first motor (11) is rotated through the pivot and is connected with row material pole (9), row material pole (9) are located the inside of arranging material axle (8).

5. The mining dry ball mill according to claim 4, characterized in that: the top of base (13) is passed through mounting base (19) and is clockwise installed down hopper (1), first bearing frame (2), second bearing frame (7), storage case (10), second motor (12), reduction gear (14) and pinion (16) in proper order, all rotate through the pivot between second motor (12), reduction gear (14) and pinion (16) and be connected, and pinion (16) are connected with gear wheel (5) meshing.

6. The mining dry ball mill according to claim 5, characterized in that: lower hopper (1) is located one side that barrel (3) was kept away from in primary shaft bearing (2), and stopper (32) and fixing base (35) are installed respectively to the both sides inner wall of lower hopper (1), position department that lower hopper (1) inner wall is located fixing base (35) one side installs hydraulic telescoping rod (33), one side of fixing base (35) is rotated through the pivot and is connected with unloading limiting plate (34), the bottom of unloading limiting plate (34) is connected with the expansion end of hydraulic telescoping rod (33), first motor (11), second motor (12) and hydraulic telescoping rod (33) all with external power supply electric connection.