CN207769910U - A kind of twin-stage grinding ball mill - Google Patents

A kind of twin-stage grinding ball mill Download PDF

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Publication number
CN207769910U
CN207769910U CN201721436268.5U CN201721436268U CN207769910U CN 207769910 U CN207769910 U CN 207769910U CN 201721436268 U CN201721436268 U CN 201721436268U CN 207769910 U CN207769910 U CN 207769910U
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China
Prior art keywords
grinding
grinding storehouse
storehouse
twin
ball mill
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Active
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CN201721436268.5U
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Chinese (zh)
Inventor
陈瑞和
陶海征
李小龙
陈沈萍
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Jiangsu Rui He Abrasives Co Ltd
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Jiangsu Rui He Abrasives Co Ltd
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Priority to CN201721436268.5U priority Critical patent/CN207769910U/en
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Abstract

The utility model discloses a kind of twin-stages to grind ball mill, various ores and other grindability materials can be ground, including bearing and rotatable cylinder is set above bearing, barrel end is connected with driving mechanism, cylinder includes internal the first grinding storehouse for being equipped with steel ball and the second grinding storehouse, second grinding storehouse is set in outside the first grinding storehouse, there is end cap at the both ends of cylinder by flanged joint, it is respectively arranged with inlet port and outlet port on the end cap at cylinder both ends, feed inlet is connected to the first grinding storehouse, discharge port is connected to the second grinding storehouse, and it is closed with the first grinding storehouse, first grinding storehouse inner wall is attached with ladder wear-resistant liner, and the first grinding storehouse is equipped with material screen holes along its circumferential direction, second grinding storehouse inner wall is attached with waveform wear-resistant liner.A kind of twin-stage grinding ball mill of the utility model improves material grinding precision, and grinding efficiency is higher.

Description

A kind of twin-stage grinding ball mill
Technical field
The utility model is related to grinding tool preparation grinding technique fields, in particular to a kind of Special ball mill.
Background technology
Special ball mill is in prepared by grinding tool, and being processed into that abrasive material ingot is crushed and then is crushed conforms to Seek the key equipment of grain graininess;And it is set after peace formula dispensing to be sufficiently mixed the batch mixing used grinding key in grinding tool manufacture It is standby.Dry type or wet type grinding are carried out to various grindability materials.Ball mill is generally by feeder, rotating part, driving section and classification Portion forms, and rotating part is the cylinder for being internally provided with wear-resistant liner, and cylinder is revolving body, and material enters through feeder from feeding mouth Cylinder, barrel body rotation generation centrifugal force takes steel ball after certain altitude to freely to be fallen, and the work of bang and grinding is generated to material With the material after grinding is discharged from discharge port.Ball mill in the prior art is relatively low to the grinding precision of the materials such as ore, causes Anti- sand amount is larger, and milling time is longer, and grinding efficiency is relatively low.
Utility model content
The utility model is intended to solve one of above-mentioned technical problem to a certain extent.
In view of this, the utility model provides a kind of twin-stage grinding ball mill, twin-stage grinding ball mill improves object Abrasive lapping precision, grinding efficiency are higher.
In order to solve the above technical problems, the utility model provides a kind of twin-stage grinding ball mill, including bearing and setting exist Rotatable cylinder, the barrel end are connected with driving mechanism above the bearing, and the cylinder includes that inside is equipped with steel First grinding storehouse of ball and the second grinding storehouse, second grinding storehouse are set in outside first grinding storehouse, the cylinder There is end cap at both ends by flanged joint, and inlet port and outlet port, the charging are respectively arranged on the end cap at the cylinder both ends Mouth is connected to first grinding storehouse, and the discharge port is connected to second grinding storehouse, and is closed with first grinding storehouse, The first grinding storehouse inner wall is attached with ladder wear-resistant liner, and the first grinding storehouse is sieved along its circumferential direction equipped with material Hole, the second grinding storehouse inner wall is selected to be attached with waveform wear-resistant liner.
Further, the ladder wear-resistant liner has multiple concave parts, and the single concave part is along first grinding storehouse Length direction setting, and multiple concave parts along it is described first grinding storehouse the evenly-spaced setting of circumferential direction.
Further, length direction evenly-spaced setting of the material screen holes along the concave part.
Further, the steel ball in the first grinding storehouse and second grinding storehouse includes the first steel ball and the second steel Ball, the diameter of second steel ball are less than the diameter of the first steel ball.
Further, the diameter of the material screen holes is less than the diameter of the steel ball.
Further, it is connected with material diversion plate between the end and the discharge port in second grinding storehouse.
Further, bend pipe feed portion is equipped at the feed inlet.
Further, the drum surface is equipped with manhole, and the manhole includes close to the first of feed inlet setting Manhole and the second manhole being arranged close to the discharge outlet, first manhole and second manhole setting exist On same straight line.
Further, the first grinding storehouse and second grinding storehouse are welded by steel plate.
The utility model has technical effect that:A kind of twin-stage according to the present utility model grinds ball mill, which grinds Abrading-ball grinding machine includes rotatable cylinder, and cylinder includes the first grinding storehouse and the second grinding storehouse, and the second grinding storehouse is set in first It grinds outside storehouse, starts driving mechanism, the first grinding storehouse and second can be made to grind and storehouse while rotating, material to be ground is from charging Mouth enters the first grinding storehouse, and the steel ball in the first grinding storehouse rolls under the collective effect of gravity and centrifugal force with material together And material is hit, preliminary grinding is carried out to material, the roughing of material is realized, when material is ground into smaller particle, you can It is fallen into the second grinding storehouse from material screen holes, to reduce unnecessary grinding in the first grinding storehouse, improves the first grinding storehouse Grinding efficiency, the material of smaller particle screened from the first grinding storehouse carries out fine gtinding in the second grinding storehouse, from And the grinding precision of material is improved, the material after the second grinding storehouse finishing is discharged from discharge port, the twin-stage of the utility model Grinding ball mill realizes classified grinding, and grinding precision is higher, and grinding efficiency is high.
Description of the drawings
Fig. 1 is the structural schematic diagram that ball mill is ground according to the twin-stage of the utility model one embodiment.
Fig. 2 is the schematic cross-section according to the cylinder of the utility model one embodiment.
Wherein, 1- bearings;2- cylinders;3- driving mechanisms;4- end caps;5- feed inlets;6- discharge ports;7- ladder wear-resisting linings Plate;8- manholes;9- waveform wear-resistant liners;21- first grinds storehouse;22- second grinds storehouse;23- material diversion plates;51- bend pipes Feed portion;71- concave parts.
Specific implementation mode
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art The utility model can be better understood from and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
As depicted in figs. 1 and 2, the utility model provides a kind of twin-stage grinding ball mill, including bearing 1 and setting in bearing The 1 rotatable cylinder 2 in top, cylinder 2 are the cylindrical shape of length, and 2 end of cylinder is connected with driving mechanism 3, and cylinder 2 includes inside Storehouse 22 is ground in the first grinding storehouse 21 and second for being equipped with steel ball, and the second grinding storehouse 22 is set in outside the first grinding storehouse 21, cylinder There is end cap 4 at the both ends of body 2 by flanged joint, and feed inlet 5 and discharge port 6 are respectively arranged on the end cap 4 at 2 both ends of cylinder, into Material mouth 5 is connected to the first grinding storehouse 21, and discharge port 6 is connected to the second grinding storehouse 22, and is closed with the first grinding storehouse 21, and first grinds Mill 21 inner wall of storehouse is attached with ladder wear-resistant liner 7, and the first grinding storehouse 21 is equipped with material screen holes along its circumferential direction, Second grinding 22 inner wall of storehouse is attached with waveform wear-resistant liner 9.
A kind of twin-stage according to the present utility model grinds ball mill, and it includes rotatable cylinder 2 which, which grinds ball mill, Cylinder 2 includes that storehouse 22 is ground in the first grinding storehouse 21 and second, and the second grinding storehouse 22 is set in outside the first grinding storehouse 21, starts and drive Motivation structure 3 can make the first grinding storehouse 21 and second grinding storehouse 22 while rotate, and material to be ground enters first from feed inlet 5 Storehouse 21 is ground, the steel ball in the first grinding storehouse 21 rolls and hits together with material under the collective effect of gravity and centrifugal force Material carries out material preliminary grinding, the roughing of material is realized, when material is ground into smaller particle, you can from material Screen holes are fallen into the second grinding storehouse 22, to reduce small particles material unnecessary grinding in the first grinding storehouse 21, are improved The grinding efficiency in the first grinding storehouse 21, the material of the smaller particle screened from the first grinding storehouse 21 is in the second grinding storehouse 22 Fine gtinding is carried out, to improve the grinding precision of material, the material after storehouse 22 finishes is ground from 6 row of discharge port through second Go out, the twin-stage grinding ball mill of the utility model realizes classified grinding, and grinding precision is higher, and grinding efficiency is high.
Specifically, material is packed by twin-stage grinding feed inlet of globe mill 5 in cylinder 2, when ball mill barrel 2 rotates It waits, steel ball (i.e. abrasive body) makes it be attached to tube on the liner plate of cylinder 2 due to inertia and centrifugation force effect, the effect of frictional force Body 2 is taken away, and when being brought to certain height, is left due to the gravity of itself, and the steel ball of whereabouts (is ground Body) material in cylinder 2 is smashed as projectile.
Ladder wear-resistant liner 7 and waveform wear-resistant liner 9 are made of wear-resistant material, and ladder wear-resistant liner 7 and waveform are wear-resisting Liner plate 9 has been respectively increased the first grinding storehouse 21 and second and has ground the rub proofness of 22 inner wall of storehouse, and improves the grinding of grinder Efficiency.
As shown in Fig. 2, ladder wear-resistant liner 7 has multiple concave parts 71, single concave part 71 is along the first grinding storehouse 21 Length direction is arranged, and multiple concave parts 71 are along the evenly-spaced setting of circumferential direction in the first grinding storehouse 21, ladder wear-resisting lining Plate 7 is conducive to the attachment of steel ball, improves the grinding efficiency of steel ball.
A specific embodiment according to the present utility model, length direction uniform intervals of the material screen holes along concave part 71 It opens up and sets, material is to improve the grinding efficiency of steel ball.
A specific embodiment according to the present utility model, the steel ball that the first grinding storehouse 21 and second is ground in storehouse 22 wrap The first steel ball and the second steel ball are included, the diameter of the second steel ball is less than the diameter of the first steel ball, the first steel ball and the mixing of the second steel ball, Second steel ball is filled in the gap of the first steel ball, and big steel ball has larger impact force, and the grinding efficiency of material can be improved, small Steel ball is filled in the gap of big steel ball, is made the contact area bigger of material and steel ball, is improved the grinding precision of material.
A specific embodiment according to the present utility model, the diameter of material screen holes are less than the diameter of steel ball, prevent steel Ball is dished out from material screen holes, ensures the normal grinding of steel ball.
As shown in Figure 1, being connected with material diversion plate 23 between the end and discharge port 6 in the second grinding storehouse 22 so that fine Material after grinding is discharged from discharge port 6 so that material discharge is more smooth.
As shown in Figure 1, adding since the opening of feed inlet 5 is towards cylinder side equipped with bend pipe feed portion 51 at feed inlet 5 Add material to be more troublesome, bend pipe feed portion 51 it is opening up, facilitate to 51 inner stuffing material of bend pipe feed portion, to it is convenient from Feed inlet 5 improves material addition efficiency, shortens process time, improve grinding efficiency to 2 inner stuffing material of cylinder.
As shown in Figure 1,2 surface of cylinder is equipped with manhole 8, manhole 8 includes the first manhole being arranged close to feed inlet 5 With the second manhole being arranged at discharge port 6, the first manhole and the second manhole are arranged on same straight line, when need When will be to being overhauled inside cylinder 2, the first manhole and the second manhole can be rotated to suitable position to cylinder 2 inside It is overhauled, the first manhole and the second manhole are set on same straight line, then need to only be rotated cylinder 2 once, are reduced The number of revolutions of cylinder 2 so that maintenance is more convenient.
A specific embodiment according to the present utility model, the first grinding storehouse 21 and second are ground storehouse 22 and are welded by steel plate It forms, to improve the rigidity and intensity that storehouse outer wall is ground in the first grinding storehouse 21 and second, to improve making for ball mill Use the service life.
A specific embodiment according to the present utility model, driving mechanism 3 include driving motor, gear reducer and driver Structure, transmission mechanism can be transmission gear or belt pulley.
A kind of twin-stage according to the present utility model grinds ball mill, and operation principle is as follows:
Start driving mechanism 3, make the first grinding storehouse 21 and second grinding storehouse 22 while rotating;
Material to be ground is sent into the first grinding storehouse 21 from feed inlet 5 along bend pipe feed portion 51, closes feed inlet 5, the Steel ball in one grinding storehouse 21 is under the collective effect of inertia force and centrifugal force and gravity, and roll simultaneously rammer together with material Material, carries out material preliminary grinding, the roughing of material is realized, when material is ground into smaller particle, you can is sieved from material Hole is selected to fall into the second grinding storehouse 22;
The material of smaller particle of the steel ball to being screened from the first grinding storehouse 21 in second grinding storehouse 22 is hit, Realize fine gtinding;
Material after the second grinding storehouse 22 finishes flow to discharge port 6 along material diversion plate 23, and from 6 row of discharge port Go out;
The grinding for completing material, stops the operation of driving mechanism.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the utility model, the utility model Protection domain it is without being limited thereto.Those skilled in the art on the basis of the utility model made by equivalent substitute or change It changes, both is within the protection scope of the present invention.The scope of protection of the utility model is subject to claims.

Claims (8)

1. a kind of twin-stage grinds ball mill, which is characterized in that including bearing and rotatable cylinder is set above the bearing, The barrel end is connected with driving mechanism, and the cylinder includes internal the first grinding storehouse for being equipped with steel ball and the second grinding Storehouse, second grinding storehouse are set in outside first grinding storehouse, and there is end cap at the both ends of the cylinder by flanged joint, institute It states and is respectively arranged with inlet port and outlet port on the end cap at cylinder both ends, the feed inlet is connected to first grinding storehouse, institute It states discharge port to be connected to second grinding storehouse, and is closed with first grinding storehouse, the first grinding storehouse inner wall is attached with Ladder wear-resistant liner, and the first grinding storehouse is equipped with material screen holes, the second grinding storehouse inner wall along its circumferential direction It is attached with waveform wear-resistant liner, there are the ladder wear-resistant liner multiple concave parts, the single concave part to be ground along described first The length direction setting in storehouse is ground, and multiple concave parts are along the evenly-spaced setting of circumferential direction in first grinding storehouse.
2. a kind of twin-stage grinds ball mill according to claim 1, which is characterized in that the material screen holes are along the groove The evenly-spaced setting of length direction in portion.
3. a kind of twin-stage grinds ball mill according to claim 1, which is characterized in that first grinding storehouse and described second It includes the first steel ball and the second steel ball to grind the steel ball in storehouse, and the diameter of second steel ball is less than the diameter of the first steel ball.
4. a kind of twin-stage grinds ball mill according to claim 1, which is characterized in that the diameter of the material screen holes is less than The diameter of the steel ball.
5. a kind of twin-stage grinds ball mill according to claim 1, which is characterized in that the end in second grinding storehouse and institute It states and is connected with material diversion plate between discharge port.
6. a kind of twin-stage grinds ball mill according to claim 1, which is characterized in that be equipped with bend pipe at the feed inlet and be fed Portion.
7. a kind of twin-stage grinds ball mill according to claim 1, which is characterized in that the drum surface is equipped with manhole, The manhole includes the first manhole close to feed inlet setting and the second maintenance close to discharge outlet setting Hole, first manhole and second manhole are arranged on same straight line.
8. a kind of twin-stage grinds ball mill according to claim 1, which is characterized in that first grinding storehouse and described second Grinding storehouse is welded by steel plate.
CN201721436268.5U 2017-10-31 2017-10-31 A kind of twin-stage grinding ball mill Active CN207769910U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721436268.5U CN207769910U (en) 2017-10-31 2017-10-31 A kind of twin-stage grinding ball mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721436268.5U CN207769910U (en) 2017-10-31 2017-10-31 A kind of twin-stage grinding ball mill

Publications (1)

Publication Number Publication Date
CN207769910U true CN207769910U (en) 2018-08-28

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Application Number Title Priority Date Filing Date
CN201721436268.5U Active CN207769910U (en) 2017-10-31 2017-10-31 A kind of twin-stage grinding ball mill

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109225485A (en) * 2018-10-31 2019-01-18 长沙万荣粉体设备科技有限公司 A kind of grinding mechanism and vertical grinder
CN109225484A (en) * 2018-10-31 2019-01-18 长沙万荣粉体设备科技有限公司 A kind of vertical grinder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109225485A (en) * 2018-10-31 2019-01-18 长沙万荣粉体设备科技有限公司 A kind of grinding mechanism and vertical grinder
CN109225484A (en) * 2018-10-31 2019-01-18 长沙万荣粉体设备科技有限公司 A kind of vertical grinder

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