CN102357383A - Detachable type material discharging screen of ball mill - Google Patents
Detachable type material discharging screen of ball mill Download PDFInfo
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- CN102357383A CN102357383A CN2011102480423A CN201110248042A CN102357383A CN 102357383 A CN102357383 A CN 102357383A CN 2011102480423 A CN2011102480423 A CN 2011102480423A CN 201110248042 A CN201110248042 A CN 201110248042A CN 102357383 A CN102357383 A CN 102357383A
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Abstract
The invention relates to a detachable type material discharging screen of a ball mill. The screen is used in the fields of metal and nonmetal mines, chemical engineering, building materials and the like. The screen mainly comprises a material discharging screen frame with a welding structure, T-shaped bolts, a blocking-type screen plate, a residue discharging box, a material discharging barrel liner, an upper material discharging screen cover, a lower material discharging screen cover, a first bolt, a first nut, a first washer, a fourth bolt, a fifth nut, a fourth washer and the like. The inner surface of the material discharging screen frame is connected with the blocking-type screen plate by plural groups of the specially-designed T-shaped bolts, such that the blocking-type screen plate is fixed on the inner surface of the material discharging screen frame. The rear of the material discharging screen frame is fixed with the residue discharging box by standard parts. A front flange of the material discharging screen frame is fixed on the material discharging barrel liner by a standard part, such that the material discharging screen frame is fixed with the ball mill. The upper material discharging screen cover and the lower material discharging screen cover are connected by plural groups of standard parts, and are fixed on the base of the ball mill. The material discharging screen frame is averagely divided into a plurality of equal portions in the circumferential direction by a plurality of pre-cut square holes, and the internal of the material discharging screen frame is welded with a double-head reverse screw. The device of the present invention has characteristics of detachable structure design, good interchangeability and easy disassembly. In addition, the cost is reduced; the service life of the material discharging screen is improved; the material of the screen is changed.
Description
Technical field
The present invention relates to be used in the industry grinding systems such as metal and non-metal mine, chemical industry, building materials the mechanical forced discharge device of wet type overflowball mill discharge end.
Background technology
Worldwide, ball mill is as a kind of traditional milling equipment, and existing 100 years of development are historical.China is vast in territory, and mining deposits is abundant.Under the prerequisite of current economic situation great development, the demands for energy amount grows with each passing day.The whole nation has more than 100 families of big-and-middle-sized iron and steel enterprise more than the scale altogether at present, and the number of the enterprise of chemical industry, building materials, power industry also constantly increases.Therefore, the demand of ball mill is just with speed stably, cumulative year after year.Ball mill is that the ore of certain particle size or other material are ground more fine-grained a kind of milling equipment.Industries such as electric power, ferrous metal and non-ferrous metal ore, chemical industry, building materials have been widely used at present.Ball mill is divided into grate ball mill and overflowball mill according to ore discharge mode difference, can be used in open circuit or the closed circuit grinding flow process material being dry grinded or wet-milling.The MQY ball mill belongs to wet ball mill.Its operation principle is that material and a certain amount of water get into feeder; Get into barrel by feed end end cap center again; Motor drives the cylindrical shell rotation that medium (steel ball) is housed through transmission device; Milling medium is thus lifted to certain height under centrifugal force and function of friction, be to leave or the state that rushes down falls.Material receive the bump of ball and be between the ball and ball and shell liner between grinding, the ground product of MQY ball mill is freely overflowed through ore discharge hollow axle journal, accomplishes grinding process.For the MQY ball mill, outside discharge end, install out material screen additional, can help ground product and medium to force to discharge, accelerate to realize grinding process.But, traditional go out the material screen life-span short, weight is big, it is inconvenient to change, the spare part cost is high, has seriously reduced the production efficiency of grinding operation.Through the scene feedback of every profession and trade enterprise, the MQY ball mill goes out material screen life-span problem short, that weight is big, it is inconvenient to change, the spare part cost is high and not only in homemade goods, generally occurs, and in imported product, also can't avoid.The enterprise that appears as of this problem causes very big loss, and also the following road flow process of severe contamination grinding operation has been brought great puzzlement to enterprise.Therefore, developing a kind of ball mill discharging detachable, to go out material screen be the new problem that needs to be resolved hurrily always.
Summary of the invention
The objective of the invention is in order to provide a kind of ball mill discharging detachable to go out material screen; The pressure discharge that this device is applied to link to each other with the discharge end lining in the MQY ball mill goes out material screen; Result of use is good, has fully solved traditional MQY ball mill discharge end and has gone out the problem that the material screen life-span is short, weight is big, replacing is inconvenient, the spare part cost is high.
The objective of the invention is to realize like this: a kind of ball mill discharging detachable goes out material screen; By mainly forming by welded discharging screen frame (unit), T type bolt, sectional type sieve plate, deslagging casing, discharging lining, top discharge sieve cover, bottom discharge sieve cover, first bolt, first nut, first packing ring, second bolt, second nut, the 3rd nut, second packing ring, the 3rd bolt, the 4th nut, the 3rd packing ring, the 4th bolt, the 5th nut, the 4th packing ring; Discharging screen frame (unit) inner surface is connected with the sectional type sieve plate through the special T type bolt of many groups, and the sectional type sieve plate is fixed on the discharging screen frame (unit) inner surface; The rear portion of discharging screen frame (unit) is fixed through standard component and deslagging casing; The front flange of discharging screen frame (unit) is fixed on the discharging lining through standard component; Make it to fix with ball mill, top discharge sieve cover is connected through many group standard components with bottom discharge sieve cover, and is fixed on the basis of ball mill; With first bolt, first nut, first packing ring rear portion and the deslagging casing of discharging screen frame (unit) are connected as one, the front flange of discharging screen frame (unit) is fixed on the discharging lining through standard component with second bolt, second nut, the 3rd nut, second packing ring; With the 3rd bolt, the 4th nut, the 3rd packing ring bottom discharge sieve cover is fixed on the basis of ball mill; With the 4th bolt, the 5th nut, the 4th packing ring top discharge sieve cover and bottom discharge sieve cover are integrally combined; Said discharging screen frame (unit) is divided into some five equilibriums at some square holes that circumferencial direction is cut out in advance, and portion is welded with the double end backpitch within it; Above-mentioned square hole is used to the position of sectional type sieve plate, and inner double end backpitch is used to force discharge; On the square hole of discharging screen frame (unit) inner surface circumferencial direction; Be connected with the sectional type sieve plate through many groups of special T type bolts; The sectional type sieve plate is close on its inner surface, and the rear portion of discharging screen frame (unit) is fixed through many groups bolt and deslagging casing, and the front flange of discharging screen frame (unit) is fixed on the discharging lining; Go out on the basis that the material screen cover is fixed on ball mill; Discharging screen frame (unit), sectional type sieve plate and the acting in conjunction of deslagging casing substitute tradition and go out material screen, realize forcing the discharge effect; The material screen cover that goes out of split plays the effect of protecting discharging screen frame (unit) and sieve plate up and down; Said sectional type sieve plate material is an abrasive rubber.
Main points of the present invention are its structure and operation principle.Operation principle of the present invention is that the discharging screen frame (unit) is divided into some five equilibriums at some square holes that circumferencial direction is cut out in advance, and portion is welded with the double end backpitch within it; On the square hole of discharging screen frame (unit) inner surface circumferencial direction; Be connected with the sectional type sieve plate through many groups of special T type bolts; The sectional type sieve plate is close on its inner surface, and the rear portion of discharging screen frame (unit) is fixed through many groups bolt and deslagging casing, and the front flange of discharging screen frame (unit) is fixed on the discharging lining; Go out on the basis that the material screen cover is fixed on ball mill; Discharging screen frame (unit), sectional type sieve plate and the acting in conjunction of deslagging casing substitute tradition and go out material screen, realize forcing the discharge effect; The material screen cover that goes out of split plays the effect of protecting discharging screen frame (unit) and sieve plate up and down.
This detachable goes out material screen and has changed the version that tradition goes out material screen, has removed the screen cloth that weight is big, service life is short, cost is high, and has increased the sieve plate and the deslagging casing of welded discharging screen frame (unit), sectional type.Through changing the method for mesh structure form, the material screen screen cloth that goes out that the MQY ball mill is traditional changes into by the sectional type sieve plate of welded discharging screen frame (unit), abrasive rubber material and the deslagging casing mutual group of metal structure.The inner surface of discharging screen frame (unit) is connected with the sieve plate of sectional type; The rear portion of discharging screen frame (unit) is connected with the deslagging casing; Design is under the prerequisite that production cost is more or less the same like this, greatly reduce the spare part cost, improved service life of material screen, adjustment is installed and safeguard also convenient.Wholely go out material screen and use down the material screen cover that goes out of split and surround, the discharging screen frame (unit) adopts flange closing with discharging lining junction, through the charging lining, wholely goes out material screen and directly is connected with grinding machine integral body.The discharging screen frame (unit) adopts the Welding Structure form, makes simple.It is divided into some five equilibriums at some square holes that circumferencial direction is cut out in advance, and portion is welded with the double end backpitch within it.As stated, discharging screen frame (unit) inner surface is connected with the sectional type sieve plate through the special T type bolt of many groups, and the sectional type sieve plate is close on its inner surface; The rear portion of discharging screen frame (unit) is fixed through many groups bolt and deslagging casing, and the front flange of discharging screen frame (unit) is bolted on the discharging lining through many groups, makes it to fix with grinding machine.Traditional material screen that goes out mainly realizes forcing the discharge function through the screen cloth of integral type; Because screen cloth is a metal material, easy abrasion, service life is short, and the spare part cost is high, and weight is big, is difficult for changing; And going out material screen, this detachable changed the overall structure that material screen; Reduced proportion of metal material; Utilize the screen cloth of the sectional type sieve plate replacement virgin metal material of polylith abrasive rubber material, realize forcing the discharge function in conjunction with the double end backpitch of discharging screen frame (unit) interior welds.Adopt the abrasive rubber material because this detachable goes out the sieve plate of material screen, little, the high life of weight, and the geometric identity of each sectional type sieve plate have good interchangeability, and the deslagging casing adopts bolt to be connected with the discharging screen frame (unit).So simple and easy to do when having the consumable accessory of replacing, it is high to go out the material screen whole service life, the characteristics that weight is little.
Ball mill discharging detachable goes out material screen compared with prior art, and going out material screen is the detachable structural design, and interchangeability is good; Quick detachable, improve the service life that material screen, change the material of screen cloth; Alleviate the weight that material screen; Structure is more reasonable, reduces advantages such as spare part cost, will be widely used in the industry grinding systems such as metal and non-metal mine, chemical industry, building materials.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated.
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the dextrad view of Fig. 1.
The specific embodiment
With reference to accompanying drawing; A kind of ball mill discharging detachable goes out material screen; By mainly forming by welded discharging screen frame (unit) 1, T type bolt 2, sectional type sieve plate 3, deslagging casing 4, discharging lining 5, top discharge sieve cover 6, bottom discharge sieve cover 7, first bolt 8, first nut 9, first packing ring 10, second bolt 11, second nut 12, the 3rd nut 13, second packing ring 14, the 3rd bolt 15, the 4th nut 16, the 3rd packing ring 17, the 4th bolt 18, the 5th nut 19, the 4th packing ring 20; Discharging screen frame (unit) 1 inner surface is connected with sectional type sieve plate 3 through the special T type bolt 2 of many groups, and sectional type sieve plate 3 is fixed on discharging screen frame (unit) 1 inner surface; The rear portion of discharging screen frame (unit) 1 is fixing through standard component and deslagging casing 4; The front flange of discharging screen frame (unit) is fixed on the discharging lining 5 through standard component; Make it to fix with ball mill, top discharge sieve cover 6 is connected through many group standard components with bottom discharge sieve cover 7, and is fixed on the basis of ball mill; With first bolt 8, first nut 9, first packing ring 10 rear portion and the deslagging casing 4 of discharging screen frame (unit) 1 are connected as one, the front flange of discharging screen frame (unit) 1 is fixed on the discharging lining 5 through standard component with second bolt 11, second nut 12, the 3rd nut 13, second packing ring 14; With the 3rd bolt 15, the 4th nut 16, the 3rd packing ring 17 bottom discharge sieve cover 6 is fixed on the basis of ball mill; With the 4th bolt 18, the 5th nut 19, the 4th packing ring 20 top discharge sieve cover 7 and bottom discharge sieve cover 6 are integrally combined.Said discharging screen frame (unit) 1 is divided into some five equilibriums at some square holes that circumferencial direction is cut out in advance, and portion is welded with the double end backpitch within it; Above-mentioned square hole is used to the position of sectional type sieve plate 3, and inner double end backpitch is used to force discharge; On the square hole of discharging screen frame (unit) 1 inner surface circumferencial direction; Be connected with sectional type sieve plate 3 through many groups of special T type bolts 2; Sectional type sieve plate 3 is close on its inner surface; The rear portion of discharging screen frame (unit) 1 is fixing through many group bolts and deslagging casing 4, and the front flange of discharging screen frame (unit) 1 is fixed on the discharging lining 5; Go out on the basis that the material screen cover is fixed on ball mill; Discharging screen frame (unit) 1, sectional type sieve plate 3 and 4 actings in conjunction of deslagging casing substitute tradition and go out material screen, realize forcing the discharge effect; The material screen cover that goes out of split plays the effect of protecting discharging screen frame (unit) 1 and sieve plate up and down.Said sectional type sieve plate 3 materials are abrasive rubber.
Claims (3)
1. a ball mill discharging detachable goes out material screen; By mainly forming by welded discharging screen frame (unit), T type bolt, sectional type sieve plate, deslagging casing, discharging lining, top discharge sieve cover, bottom discharge sieve cover, first bolt, first nut, first packing ring, second bolt, second nut, the 3rd nut, second packing ring, the 3rd bolt, the 4th nut, the 3rd packing ring, the 4th bolt, the 5th nut, the 4th packing ring; It is characterized in that: discharging screen frame (unit) inner surface is connected with the sectional type sieve plate through the special T type bolt of many groups, and the sectional type sieve plate is fixed on the discharging screen frame (unit) inner surface; The rear portion of discharging screen frame (unit) is fixed through standard component and deslagging casing; The front flange of discharging screen frame (unit) is fixed on the discharging lining through standard component; Make it to fix with ball mill, top discharge sieve cover is connected through many group standard components with bottom discharge sieve cover, and is fixed on the basis of ball mill; With first bolt, first nut, first packing ring rear portion and the deslagging casing of discharging screen frame (unit) are connected as one, the front flange of discharging screen frame (unit) is fixed on the discharging lining through standard component with second bolt, second nut, the 3rd nut, second packing ring; With the 3rd bolt, the 4th nut, the 3rd packing ring bottom discharge sieve cover is fixed on the basis of ball mill; With the 4th bolt, the 5th nut, the 4th packing ring top discharge sieve cover and bottom discharge sieve cover are integrally combined.
2. ball mill discharging detachable according to claim 1 goes out material screen, it is characterized in that: said discharging screen frame (unit) is divided into some five equilibriums at some square holes that circumferencial direction is cut out in advance, and portion is welded with the double end backpitch within it; Above-mentioned square hole is used to the position of sectional type sieve plate, and inner double end backpitch is used to force discharge; On the square hole of discharging screen frame (unit) inner surface circumferencial direction; Be connected with the sectional type sieve plate through many groups of special T type bolts; The sectional type sieve plate is close on its inner surface, and the rear portion of discharging screen frame (unit) is fixed through many groups bolt and deslagging casing, and the front flange of discharging screen frame (unit) is fixed on the discharging lining; Go out on the basis that the material screen cover is fixed on ball mill; Discharging screen frame (unit), sectional type sieve plate and the acting in conjunction of deslagging casing substitute tradition and go out material screen, realize forcing the discharge effect; The material screen cover that goes out of split plays the effect of protecting discharging screen frame (unit) and sieve plate up and down.
3. ball mill discharging detachable according to claim 1 goes out material screen, it is characterized in that: said sectional type sieve plate material is an abrasive rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102480423A CN102357383A (en) | 2011-08-26 | 2011-08-26 | Detachable type material discharging screen of ball mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102480423A CN102357383A (en) | 2011-08-26 | 2011-08-26 | Detachable type material discharging screen of ball mill |
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| Publication Number | Publication Date |
|---|---|
| CN102357383A true CN102357383A (en) | 2012-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102480423A Pending CN102357383A (en) | 2011-08-26 | 2011-08-26 | Detachable type material discharging screen of ball mill |
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| Country | Link |
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| CN (1) | CN102357383A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103301910A (en) * | 2013-06-04 | 2013-09-18 | 广西华锡集团股份有限公司 | Cylinder screen for prescreening ore pulp at discharging port of ball grinder and assembling process of cylinder screen |
| CN103894269A (en) * | 2014-04-10 | 2014-07-02 | 济南重工股份有限公司 | Wear-resisting discharging cover of mill |
| CN104400883A (en) * | 2014-11-27 | 2015-03-11 | 济南重工股份有限公司 | Mill end cover grouting tooling |
| CN104437769A (en) * | 2014-11-27 | 2015-03-25 | 济南重工股份有限公司 | Discharging device of wet ball mill |
| CN105728113A (en) * | 2016-03-07 | 2016-07-06 | 中信重工机械股份有限公司 | Discharge screening device for ball mill |
| CN113522464A (en) * | 2021-07-29 | 2021-10-22 | 湖南柿竹园有色金属有限责任公司 | Ore discharging device of overflow type ball mill |
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| US5118043A (en) * | 1988-04-05 | 1992-06-02 | Olmar Ab | Method and apparatus for autogenous comminution primarily of overcompetent, heterogeneous mineral material |
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| US20080210797A1 (en) * | 2005-04-27 | 2008-09-04 | Alexander Hagedorn | Tubular Mill |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103301910A (en) * | 2013-06-04 | 2013-09-18 | 广西华锡集团股份有限公司 | Cylinder screen for prescreening ore pulp at discharging port of ball grinder and assembling process of cylinder screen |
| CN103301910B (en) * | 2013-06-04 | 2015-07-15 | 广西华锡集团股份有限公司 | Cylinder screen for prescreening ore pulp at discharging port of ball grinder and assembling process of cylinder screen |
| CN103894269A (en) * | 2014-04-10 | 2014-07-02 | 济南重工股份有限公司 | Wear-resisting discharging cover of mill |
| CN104400883A (en) * | 2014-11-27 | 2015-03-11 | 济南重工股份有限公司 | Mill end cover grouting tooling |
| CN104437769A (en) * | 2014-11-27 | 2015-03-25 | 济南重工股份有限公司 | Discharging device of wet ball mill |
| CN105728113A (en) * | 2016-03-07 | 2016-07-06 | 中信重工机械股份有限公司 | Discharge screening device for ball mill |
| CN105728113B (en) * | 2016-03-07 | 2018-05-01 | 中信重工机械股份有限公司 | It is a kind of to go out screening separator for ball mill |
| CN113522464A (en) * | 2021-07-29 | 2021-10-22 | 湖南柿竹园有色金属有限责任公司 | Ore discharging device of overflow type ball mill |
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Application publication date: 20120222 |