CN104907144A - Improved shell liner for ball mill - Google Patents
Improved shell liner for ball mill Download PDFInfo
- Publication number
- CN104907144A CN104907144A CN201510293059.9A CN201510293059A CN104907144A CN 104907144 A CN104907144 A CN 104907144A CN 201510293059 A CN201510293059 A CN 201510293059A CN 104907144 A CN104907144 A CN 104907144A
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- CN
- China
- Prior art keywords
- hole
- arc
- ball mill
- shell liner
- arc convex
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/22—Lining for containers
- B02C17/225—Lining for containers using rubber or elastomeric material
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses an improved shell liner for a ball mill. The shell liner comprises a liner body, wherein the top face of the liner body is provided with a plurality of trapezoidal bulge portions, the bottom face of an arc-shaped wear-resisting plate is provided with trapezoidal grooves, the trapezoidal bulge portions are nested in the trapezoidal grooves, the top face of the arc-shaped wear-resisting plate is provided with arc-shaped bulge portions, the middle part of each arc-shaped bulge portion is provided with a plurality of connecting through holes, the liner body is provided with through holes corresponding to the arc-shaped bulge portions, elastic sealing blocks are nested in the tops of the connecting through holes, a plurality of wear-resistant convex points are fixed at the two sides of each arc-shaped bulge portion, the middle part of each elastic sealing block is provided with an axial threaded hole, screw rods of hemispherical bulge blocks are connected into the axial threaded holes through threads, and the hemispherical bulge blocks are located on the tops of the arc-shaped bulge portions. The shell liner is simple and reasonable in structure, convenient to mount and long in service life; the shell liner is provided with the elastic sealing blocks which can protect connected bolts from being damaged, so that the service lives of the bolts are prolonged.
Description
Technical field:
The technology of the present invention relates to ball mill equipment technical field, relates to a kind of improved ball mill shell liner in particular.
Background technology:
The shell liner of ball mill, can be divided into wave crest portions and bottom parts.The Main Function of wave crest portions is that abrading-ball is taken to certain altitude, so that abrading-ball falls suitable position broken and grinding material expeditiously; The Main Function of bottom parts, is the barrel-type casing of protection ball mill, barrel-type casing is not contacted with abrading-ball with mineral aggregate, thus not by mineral aggregate and abrading-ball wear down.
Existing cylinder lining plate of ball mill waveform, to the abrasion deformation how alleviating liner plate wave crest portions, do not give due attention, cause the liner plate of existing various waveform, after the use short period, crest height and shape just there occurs great changes because of heavy wear, and the dribbling of liner plate declines highly thereupon, and ball mill efficiency that is broken and grinding material obviously declines.In bargh, cement plant, thermal power plant, the ball grinding machine lining board scrapped because crest distortion is seriously undue often can be seen.
And existing shell liner is bolted on cylindrical shell, its bolt top can be encountered with grinding material and wear and tear, thus inconvenient its unloads from cylindrical shell, affects its installation and removal.
Summary of the invention:
The object of the technology of the present invention overcomes the deficiencies in the prior art, and provide a kind of improved ball mill shell liner, it is simple and reasonable; easy for installation, long service life, and also it has the bolt that elastic packing block can protect connection; make it not damaged, thus improve its service life.
The scheme that the technology of the present invention solves described problem is:
A kind of improved ball mill shell liner, comprise liner plate body, the end face of described liner plate body has multiple trapezoidal lug boss, the bottom surface of arc wearing plate has trapezoidal groove, trapezoidal lug boss sleeve is in trapezoidal groove, the end face of arc wearing plate has arc convex portion, the middle part in arc convex portion has multiple connecting through hole, liner plate body have the through hole corresponding with arc convex portion, the top of connecting through hole is nested with elastic packing block, the both sides in arc convex portion are fixed with multiple wear-resisting salient point, the middle part of elastic packing block has axial screw, the screw rod of hemispherical projections block is screwed onto in axial screw, hemispherical projections block is on the top in arc convex portion.
Described connecting through hole is ladder hole, and the madial wall of the large diameter hole section of its upper end has annular groove, and elastic packing block sleeve is in large diameter hole section, and the outer wall of elastic packing block has radial extension edge, and radial extension edge is nested in annular groove.
The both sides in described arc convex portion have been bolted to connection multiple wear-resisting salient point; Described trapezoidal lug boss is that upper end width is greater than small end width, the end face of trapezoidal lug boss is fixed with elastic buffer block, in elastic buffer block, there is multiple slot, butterfly spring is inserted with, between the end face that the two ends of elastic buffer block and butterfly spring are clamped in trapezoidal lug boss and the end face of trapezoidal groove in slot.
Described elastic layer has elastic layer through hole, elastic layer through hole one end communicates with the small diameter bore section of the lower end of connecting through hole, and the other end of elastic layer through hole communicates with through hole.
Described arc wearing plate is that cubic boron nitride material is made.
Described wear-resisting salient point is that cubic boron nitride material is made.
The end face of described arc wearing plate has two arc convex portions, two arc convex portions are fixed with wear-resisting salient point on the sidewall of trough.
The maximum gauge of described arc wearing plate is the twice of liner plate body.
Cushion is clamped with between described wear-resisting salient point and arc convex portion.
Outstanding effect of the present invention is:
Compared with prior art, it is simple and reasonable, easy for installation, long service life, and it has the bolt that elastic packing block can protect connection, makes it not damaged, thus improves its service life.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention.
Detailed description of the invention:
Below in conjunction with accompanying drawing and concrete preferred embodiment, the technology of the present invention is described in detail, can be easier to be readily appreciated by one skilled in the art to make the advantage of the technology of the present invention and feature, these embodiments are only illustrative objects, are not intended to limit scope of the present invention.
Embodiment, see as shown in Figure 1, a kind of improved ball mill shell liner, comprise liner plate body 10, the end face of described liner plate body 10 has multiple trapezoidal lug boss 101, the bottom surface of arc wearing plate 20 has trapezoidal groove 201, trapezoidal lug boss 101 sleeve is in trapezoidal groove 201, the end face of arc wearing plate 20 has arc convex portion 21, the middle part in arc convex portion 21 has multiple connecting through hole 22, liner plate body 10 have the through hole 29 corresponding with arc convex portion 21, the top of connecting through hole 22 is nested with elastic packing block 23, the both sides in arc convex portion 21 are fixed with multiple wear-resisting salient point 24, the middle part of elastic packing block 23 has axial screw 30, the screw rod of hemispherical projections block 40 is screwed onto in axial screw 30, hemispherical projections block 30 is on the top in arc convex portion 40.
Further, described connecting through hole 22 is ladder hole, the madial wall of the large diameter hole section 221 of its upper end has annular groove 222, elastic packing block 23 sleeve is in large diameter hole section 221, the outer wall of elastic packing block 23 has radial extension edge 231, and radial extension edge 231 is nested in annular groove 222.
Further, the both sides in described arc convex portion 21 have been bolted to connection multiple wear-resisting salient point 24; Described trapezoidal lug boss 101 is greater than small end width for upper end width, the end face of trapezoidal lug boss 101 is fixed with elastic buffer block 102, there is in elastic buffer block 102 multiple slot 1021, butterfly spring 1022 is inserted with, between the end face that the two ends of elastic buffer block 102 and butterfly spring 1022 are clamped in trapezoidal lug boss 101 and the end face of trapezoidal groove 201 in slot 1021.
Further, described elastic layer 25 has elastic layer through hole 251, elastic layer through hole 251 one end communicates with the small diameter bore section 223 of the lower end of connecting through hole 22, and the other end of elastic layer through hole 251 communicates with through hole 29.
Further, described arc wearing plate 20 is made for cubic boron nitride material.
Further, described wear-resisting salient point 24 is made for cubic boron nitride material.
Further, the end face of described arc wearing plate 20 has arc convex portion 21 of 21, two, two arc convex portions on the sidewall of trough, is fixed with wear-resisting salient point 24.
Further, the maximum gauge of described arc wearing plate 20 is twices of liner plate body 10.
Further, cushion 26 is clamped with between described wear-resisting salient point 24 and arc convex portion 21.
Ball mill is by the cylindrical shell of level, input and output material hollow shaft and mill first class sections composition, cylindrical shell is long cylinder, cylinder is built with abrasive body, cylindrical shell is steel plate manufacture, and have steel liner plate and cylindrical shell to fix, abrasive body is generally steel ball, and press in different-diameter and certain proportion loading cylinder, abrasive body also can use steel section.Granularity according to grinding material is selected, material loads in cylindrical shell by feeding of ball mill end hollow shaft, when ball mill barrel rotates time, abrasive body is due to inertia and centrifugal action, the effect of frictional force, makes it be attached on shell liner and is taken away by cylindrical shell, in time being brought to certain height, left due to the Action of Gravity Field of itself, the abrasive body of whereabouts as projectile by the material in cylindrical shell to smashing.Material enters grinding machine first storehouse by feed arrangement equably through pan feeding quill shaft spiral, ladder lining board or corrugated liner is had in this storehouse, in-built all size steel ball, barrel body rotation produces after centrifugal force takes steel ball to certain altitude and falls, and produces bang and abrasive action to material.Material, after the first storehouse reaches corase grind, enters the second storehouse through single layer partition panel, studs with flat liner plate, inside has steel ball, ground further by material in this storehouse.Powder is discharged by discharging grate plate, completes grinding operation.
And shell liner is except protection cylindrical shell, also have impact to the characteristics of motion of abrasive body, for adapting to the requirement of various different operating state (pulverizing or fine grinding), the material of the shape of liner plate is also different.When to pulverize as time main, require that liner plate is comparatively strong to the election ability of abrasive body, liner plate should have good shock resistance simultaneously, when with fine grinding for time main, liner plate outstanding just smaller, just weak to the election effect of abrasive body, impact less, and abrasive action is stronger.Require that liner plate has good anti-wear performance.
The present embodiment; it passes through bolt sleeve in connecting through hole 22; the top of bolt is pressed against on the top end face of small diameter bore section 223 of connecting through hole 22; and the threaded shank sleeve of bolt is in small diameter bore section 223, elastic layer through hole 251 and through hole 29; the sidewall that the bottom of the threaded shank of bolt is screwed onto cylindrical shell realize fixing; then elastic packing block 23 is nested in large diameter hole section 221 to be formed and fixes, thus the head of protection bolt does not sustain damage thus facilitates follow-up dismounting and installation.
Wherein, described liner plate body 10 is placed with arc wearing plate 20, the end face of arc wearing plate 20 has arc convex portion 21, the middle part in arc convex portion 21 has multiple connecting through hole 22, this structure is adopted to make directly to change arc wearing plate 20 when arc wearing plate 20 damages, and without the need to liner plate body 10 is unloaded, convenient, and cost-saving.
And described connecting through hole 22 is ladder hole, the madial wall of the large diameter hole section 221 of its upper end has annular groove 222, elastic packing block 23 sleeve is in large diameter hole section 221, and the outer wall of elastic packing block 23 has radial extension edge 231, and radial extension edge 231 is nested in annular groove 222.Adopt annular groove 222 can improve its fixing firmness with coordinating of radial extension edge 231, effective.
The both sides in described arc convex portion 21 have been bolted to connection multiple wear-resisting salient point 24, wear-resisting salient point 24 is adopted to improve abrasion resistant effect, and due to bolts for convenience detach, its bolt connecting mode is that the bottom of wear-resisting salient point 24 has the bar that is spirally connected, the bar that is spirally connected is screwed onto in arc convex portion 21, easy installation and removal.
Cushion 26 is clamped with between described wear-resisting salient point 24 and arc convex portion 21.Its effect has buffering effect, reduces damage.
Described arc wearing plate 20 is made for cubic boron nitride material.Described wear-resisting salient point 24 is made for cubic boron nitride material.Cubic boron nitride is synthesized at high temperature under high pressure by hexagonal boron nitride and catalyst, and it has very high hardness, heat endurance and chemical inertness, and the excellent properties such as good saturating infrared shape and wider energy gap, and its hardness is only second to diamond.Therefore greatly improve its abrasion resistant effect good, and improve the effect of grinding.
Described trapezoidal lug boss 101 is greater than small end width for upper end width, the end face of trapezoidal lug boss 101 is fixed with elastic buffer block 102, there is in elastic buffer block 102 multiple slot 1021, butterfly spring 1022 is inserted with, between the end face that the two ends of elastic buffer block 102 and butterfly spring 1022 are clamped in trapezoidal lug boss 101 and the end face of trapezoidal groove 201 in slot 1021.Adopt this structure, greatly improve buffering effect, arc wearing plate 20 is pressed against liner plate body 10 collides less, and reduce abrasive media and collide the damage that arc wearing plate 20 produces.
And the middle part of elastic packing block 23 has axial screw 30, the screw rod of hemispherical projections block 40 is screwed onto in axial screw 30, and hemispherical projections block 30 is on the top in arc convex portion 40.Adopt this structure that hemispherical projections block 40 pairs of abrasive materials are ground, grinding effect is provided, and also can prevents elastic packing block 23 from damaging, improve service life, protect bolt further.
Finally; above embodiment is only for illustration of the technology of the present invention; and the restriction not to the technology of the present invention; the those of ordinary skill of relevant technical field; when not departing from the spirit and scope of the technology of the present invention; can also make a variety of changes and modification, therefore all equivalent technical schemes also belong to the category of the technology of the present invention, and the scope of patent protection of the technology of the present invention should be defined by the claims.
Claims (10)
1. an improved ball mill shell liner, comprise liner plate body (10), it is characterized in that: the end face of described liner plate body (10) has multiple trapezoidal lug boss (101), the bottom surface of arc wearing plate (20) has trapezoidal groove (201), trapezoidal lug boss (101) sleeve is in trapezoidal groove (201), the end face of arc wearing plate (20) has arc convex portion (21), the middle part in arc convex portion (21) has multiple connecting through hole (22), liner plate body (10) have the through hole (29) corresponding with arc convex portion (21), the top of connecting through hole (22) is nested with elastic packing block (23), the both sides in arc convex portion (21) are fixed with multiple wear-resisting salient point (24), the middle part of elastic packing block (23) has axial screw (30), the screw rod of hemispherical projections block (40) is screwed onto in axial screw (30), hemispherical projections block (30) is on the top of arc convex portion (40).
2. a kind of improved ball mill shell liner according to claim 1, it is characterized in that: described connecting through hole (22) is ladder hole, the madial wall of the large diameter hole section (221) of its upper end has annular groove (222), elastic packing block (23) sleeve is in large diameter hole section (221), the outer wall of elastic packing block (23) has radial extension edge (231), and radial extension edge (231) is nested in annular groove (222).
3. a kind of improved ball mill shell liner according to claim 2, it is characterized in that: described trapezoidal lug boss (101) is greater than small end width for upper end width, the end face of trapezoidal lug boss (101) is fixed with elastic buffer block (102), there is in elastic buffer block (102) multiple slot (1021), butterfly spring (1022) is inserted with in slot (1021), the two ends of elastic buffer block (102) and butterfly spring (1022) are clamped between the end face of trapezoidal lug boss (101) and the end face of trapezoidal groove (201).
4. a kind of improved ball mill shell liner according to claim 3, is characterized in that: the both sides of described arc convex portion (21) have been bolted to connection multiple wear-resisting salient point (24).
5. a kind of improved ball mill shell liner according to claim 4, it is characterized in that: described elastic layer (25) has elastic layer through hole (251), elastic layer through hole (251) one end communicates with the small diameter bore section (223) of the lower end of connecting through hole (22), and the other end of elastic layer through hole (251) communicates with through hole (29).
6. a kind of improved ball mill shell liner according to claim 5, is characterized in that: described arc wearing plate (20) is made for cubic boron nitride material.
7. a kind of improved ball mill shell liner according to claim 6, is characterized in that: described wear-resisting salient point (24) is made for cubic boron nitride material.
8. a kind of improved ball mill shell liner according to claim 6, it is characterized in that: the end face of described arc wearing plate (20) has two arc convex portions (21), two arc convex portions (21) are fixed with wear-resisting salient point (24) on the sidewall of trough.
9. a kind of improved ball mill shell liner according to claim 8, is characterized in that: the maximum gauge of described arc wearing plate (20) is the twice of liner plate body (10).
10. a kind of improved ball mill shell liner according to claim 8, is characterized in that: be clamped with cushion (26) between described wear-resisting salient point (24) and arc convex portion (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510293059.9A CN104907144A (en) | 2015-05-30 | 2015-05-30 | Improved shell liner for ball mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510293059.9A CN104907144A (en) | 2015-05-30 | 2015-05-30 | Improved shell liner for ball mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104907144A true CN104907144A (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510293059.9A Pending CN104907144A (en) | 2015-05-30 | 2015-05-30 | Improved shell liner for ball mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104907144A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105642404A (en) * | 2016-04-11 | 2016-06-08 | 康诚石矿（湖州）有限公司 | Crusher |
| CN105642403A (en) * | 2016-04-11 | 2016-06-08 | 康诚石矿（湖州）有限公司 | Runner plate of crusher |
| WO2019095083A1 (en) * | 2017-11-14 | 2019-05-23 | Asesorias Y Servicios Innovaxxion Spa | Multi-layer lifter for semi-autogenous mills or sag mills |
| CN110368866A (en) * | 2019-07-03 | 2019-10-25 | 马鞍山市华东耐磨合金有限公司 | One kind installing liner convenient for high abrasion blender |
| CN110449227A (en) * | 2019-08-20 | 2019-11-15 | 中国恩菲工程技术有限公司 | Liner plate and autogenous tumbling mill or semi-autogenous mill on autogenous tumbling mill or semi-autogenous mill |
| CN111036353A (en) * | 2019-12-30 | 2020-04-21 | 攀钢集团矿业有限公司 | Roller structure of ball mill and ball mill |
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| US4580734A (en) * | 1984-07-02 | 1986-04-08 | The B. F. Goodrich Company | Rotary pulverizers/ball mills |
| CN1291527A (en) * | 1999-10-09 | 2001-04-18 | 许壮凌 | Antiwear composite plate and its making method |
| JP2003236400A (en) * | 2003-03-05 | 2003-08-26 | Kazutoshi Isachi | Shell liner plate, shell lifter, shell liner, shell body and mill apparatus |
| CN2579519Y (en) * | 2002-11-18 | 2003-10-15 | 株洲市工业橡胶制品厂 | Mill tubular part rubber lining structure |
| CN201618594U (en) * | 2010-03-12 | 2010-11-03 | 湖南红宇耐磨新材料股份有限公司 | Ball mill cylinder lining plate with detachable wave crest |
| CN203076032U (en) * | 2013-01-30 | 2013-07-24 | 常州轻工职业技术学院 | Combined liner plate applied to ball mill |
| CN203091013U (en) * | 2013-03-21 | 2013-07-31 | 邬文倩 | Novel lining plate of ball mill |
| CN203916805U (en) * | 2014-06-06 | 2014-11-05 | 顾开明 | Modified aside-liner |
-
2015
- 2015-05-30 CN CN201510293059.9A patent/CN104907144A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4580734A (en) * | 1984-07-02 | 1986-04-08 | The B. F. Goodrich Company | Rotary pulverizers/ball mills |
| CN1291527A (en) * | 1999-10-09 | 2001-04-18 | 许壮凌 | Antiwear composite plate and its making method |
| CN2579519Y (en) * | 2002-11-18 | 2003-10-15 | 株洲市工业橡胶制品厂 | Mill tubular part rubber lining structure |
| JP2003236400A (en) * | 2003-03-05 | 2003-08-26 | Kazutoshi Isachi | Shell liner plate, shell lifter, shell liner, shell body and mill apparatus |
| CN201618594U (en) * | 2010-03-12 | 2010-11-03 | 湖南红宇耐磨新材料股份有限公司 | Ball mill cylinder lining plate with detachable wave crest |
| CN203076032U (en) * | 2013-01-30 | 2013-07-24 | 常州轻工职业技术学院 | Combined liner plate applied to ball mill |
| CN203091013U (en) * | 2013-03-21 | 2013-07-31 | 邬文倩 | Novel lining plate of ball mill |
| CN203916805U (en) * | 2014-06-06 | 2014-11-05 | 顾开明 | Modified aside-liner |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105642404A (en) * | 2016-04-11 | 2016-06-08 | 康诚石矿（湖州）有限公司 | Crusher |
| CN105642403A (en) * | 2016-04-11 | 2016-06-08 | 康诚石矿（湖州）有限公司 | Runner plate of crusher |
| WO2019095083A1 (en) * | 2017-11-14 | 2019-05-23 | Asesorias Y Servicios Innovaxxion Spa | Multi-layer lifter for semi-autogenous mills or sag mills |
| CN110368866A (en) * | 2019-07-03 | 2019-10-25 | 马鞍山市华东耐磨合金有限公司 | One kind installing liner convenient for high abrasion blender |
| CN110449227A (en) * | 2019-08-20 | 2019-11-15 | 中国恩菲工程技术有限公司 | Liner plate and autogenous tumbling mill or semi-autogenous mill on autogenous tumbling mill or semi-autogenous mill |
| CN111036353A (en) * | 2019-12-30 | 2020-04-21 | 攀钢集团矿业有限公司 | Roller structure of ball mill and ball mill |
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Application publication date: 20150916 |