CN201692855U - Low-noise ball mill - Google Patents
Low-noise ball mill Download PDFInfo
- Publication number
- CN201692855U CN201692855U CN2010202377601U CN201020237760U CN201692855U CN 201692855 U CN201692855 U CN 201692855U CN 2010202377601 U CN2010202377601 U CN 2010202377601U CN 201020237760 U CN201020237760 U CN 201020237760U CN 201692855 U CN201692855 U CN 201692855U
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- China
- Prior art keywords
- ball mill
- plate
- damping layer
- low noise
- lining panel
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- 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.)
- Expired - Fee Related
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- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a low-noise ball mill which is provided with a composite type damping layer. The ball mill comprises a barrel and a lining plate, wherein the damping layer is arranged between the barrel and the lining plate of the ball mill. The damping layer comprises a first plate, a second plate and packing material that is arranged between the first plate and the second plate. The ball mill of the utility model can effectively reduce vibration and lower noise and has convenient and flexible overhauling and installation, high hardness and long service life.
Description
Technical field
The utility model relates to a kind of ball mill, specifically, relates to a kind of low noise ball mill with compound damping layer.
Background technology
Ball mill is the key equipment of pulverizing again after material is broken.Ball mill is widely used in production industries such as cement, silicate product, New Building Materials, refractory material, chemical fertilizer, ferrous metal ore dressing, non-ferrous metal ore and glass ceramics, and various ores and other grindability material are carried out dry type or wet type grinding.
Ball mill is when work, and mutual collision produces various vibrations between material, steel ball and the interior lining panel in the cylindrical shell.These vibrations can cause the frame for movement of ball mill to damage and the life-span reduces, and the vibration of frame for movement can cause producing a large amount of noises, more can produce very big harm to human body.
Therefore, need badly the structure of ball mill is improved, to reach the purpose of vibration and noise reducing.
The utility model content
The purpose of this utility model is to provide a kind of ball mill that can reduce noise.
According to the utility model, a kind of low noise ball mill is provided, described low noise ball mill comprises cylindrical shell and interior lining panel, wherein, is provided with damping layer between the cylindrical shell of described low noise ball mill and interior lining panel.
According to the utility model, described damping layer comprise first plate, second plate and place described first plate and described second plate between packing material, wherein, the described interior lining panel of described first plate and described low noise ball mill is adjacent to be provided with, the described cylindrical shell of described second plate and described low noise ball mill is adjacent to be provided with, and described packing material is filled in the cavity that is formed between described first plate and described second plate.According to the utility model, first plate of described damping layer and the size of second plate and shape are corresponding to the size and the shape of the described interior lining panel of ball milling.Described damping layer is by being bolted between described cylindrical shell and the described interior lining panel.
According to the utility model, described damping layer can also comprise nylon jacket and place the interior elastomeric element of described nylon jacket.Described elastomeric element is the butterfly spring of combination, and is enclosed within on the described bolt.Described damping layer can be dismantled.
According to the utility model, by between the interior lining panel of low noise ball mill and cylindrical shell, the compound damping layer of one deck being set, after utilizing bolt that interior lining panel, compound damping layer and cylindrical shell are fixed, the mechanical oscillation large tracts of land that produces during ball mill work is reduced or weakens by compound damping layer, thereby can reach the purpose of vibration and noise reducing.In addition, be to make according to the compound damping layer of ball mill of the present utility model according to the appearance and size of interior lining panel, have interchangeability, and maintenance, easy for installation flexibly, the hardness height, long service life, effectiveness in vibration suppression is obvious simultaneously.
Description of drawings
By the description of carrying out below in conjunction with the accompanying drawing that an example exemplarily is shown, above-mentioned and other purposes of the present utility model and characteristics will become apparent, wherein:
Fig. 1 shows the structural representation according to low noise ball mill of the present utility model;
Fig. 2 shows the partial enlarged drawing according to low noise ball mill of the present utility model;
Fig. 3 is the cutaway view of the part of the low noise ball mill shown in Fig. 2.
The specific embodiment
Existing ball mill vibration is big, noise is big, can cause adverse influence to environment and human body.For this reason, an important method of these vibrations of control ball mill is vibration damping, vibration isolation, makes vibration source into elasticity with closely being rigidly connected of cylindrical shell and is connected, and to prevent or to weaken the transmission of vibrational energy, finally reaches the purpose of vibration and noise reducing.
According to the utility model, provide a kind of compound damping low noise ball mill.Specifically, according to ball mill of the present utility model by between the interior lining panel of ball mill and outer cylinder body, the noise that the compound damping layer of one deck reduces ball mill being set.Describe the utility model in detail below in conjunction with accompanying drawing.
Fig. 1 shows the structural representation according to low noise ball mill of the present utility model.
With reference to Fig. 1, according to low noise ball mill of the present utility model mainly by be arranged on driving section 1, base bearing 2, the cylindrical shell 10 that with base bearing 2 be connected of ground on the base portion 9, be arranged on cylindrical shell 10 inside interior lining panel 13, be arranged on the damping layer 12 between cylindrical shell 10 and the interior lining panel 13, the steel ball 15 that is positioned at interior lining panel 13 inside, the feeder 8 that is positioned at cylindrical shell 10 two ends and discharging portion 3 and form.Except being arranged on the damping layer 12 between cylindrical shell 10 and the interior lining panel 13, identical according to other parts of ball mill of the present utility model with other parts of traditional ball mill, therefore no longer repeat description to these same parts.Below in conjunction with Fig. 2 and Fig. 3 damping layer 12 according to low noise ball mill of the present utility model is described.
Fig. 2 shows the partial enlarged drawing according to low noise ball mill of the present utility model.Fig. 3 is the cutaway view of the part of the low noise ball mill shown in Fig. 2.
With reference to Fig. 2, damping layer 12 is arranged between the cylindrical shell 10 and interior lining panel 13 of ball mill, and material 14 and steel ball 15 are positioned at interior lining panel 13 inside, and interior lining panel 13 and cylindrical shell 10 connect by fixture (not marking in Fig. 2).With reference to Fig. 3, fixture comprises bolt 22 and is positioned at nut 21 on cylindrical shell 10 outer surfaces, is used for fixing and connects cylindrical shell 10 and interior lining panel 13.Be provided with packing ring 17 between nut 21 and the cylindrical shell 10, play certain cushioning effect.
As shown in Figure 3, damping layer 12 comprise first plate 121, second plate 123 and be filled in first plate 121 and second plate 123 between packing material 122.Say that at length first plate 121 is adjacent to be provided with the interior lining panel 13 of ball mill, second plate 123 is adjacent to be provided with the cylindrical shell 10 of ball mill, and is formed with the cavity (not shown) between first plate 121 and second plate 123, and packing material 122 is filled in the cavity.In the utility model, the size of damping layer 12 is consistent with the size and the shape of the interior lining panel 13 of ball mill with shape.Specifically, the size of first plate 121 and second plate 123 and shape are corresponding to the size and the shape of the interior lining panel 13 of ball mill.The interior lining panel that it will be understood by those skilled in the art that ball mill is generally polylith, so also be polylith according to damping layer 12 of the present utility model.
According to an embodiment of the present utility model, first plate 121 and second plate 123 can be made by cold-reduced sheet or hot rolled plate, are used to provide the intensity of damping layer.In an embodiment of the present utility model, first plate 121 and second plate 123 can be made by the Q235 steel.The thickness of first plate 121 and second plate 123 can be determined according to the type of ball mill by those skilled in the art, in an embodiment of the present utility model, the thickness of first plate 121 and second plate 123 is 1mm～2mm, and the cavity that forms between first plate 121 and second plate 123 can have the thickness of about 15mm.According to the utility model, packing material 122 is used to provide the damping capacity of damping layer 12 for having the macromolecule damping sound insulating material of excellent viscoelasticity.Those skilled in the art can select to use suitable material that packing material 122 is provided voluntarily, as long as packing material 122 can provide excellent viscoelasticity and guarantee its damping defening effect.
In addition, be to be sized to piecemeally according to interior lining panel according to damping layer 12 of the present utility model, therefore, can damping layer 12 be fixed between cylindrical shell 10 and the interior lining panel 13 by bolt 22.Specifically, by bolt 22 first plate 121 is fixed to interior lining panel 13 with cylindrical shell 10 facing surfaces, by bolt 22 second plate 123 is fixed to cylindrical shell 10 with interior lining panel 13 facing surfaces.Bolt 22 is positioned at the through hole (not shown) that passes interior lining panel 13, damping layer 12 and cylindrical shell 10, linking, thereby interior lining panel 13, nylon jacket 28, first plate 121, packing material 122, second plate 123, elastic device 17, packing ring 19 are connected and fixed with cylindrical shell 10 and are in the same place with nut 21.Therefore, in the utility model, compound damping layer 12 is demountable.
In addition, the damping layer 12 according to ball mill of the present utility model also comprises elastomeric element 17 and nylon jacket 28.Specifically, with reference to Fig. 3, owing to may produce mechanical oscillation in the course of work at ball mill, around through hole, also be provided with nylon jacket 28 and the elastomeric element 17 that places in the nylon jacket 28 in the inside of damping layer 12 in the position that bolt 22 connects with interior lining panel 13, damping layer 12 and cylindrical shell 10.Elastomeric element 17 can be the butterfly spring of combination, and specifically, elastomeric element 17 be four positive and negative combination butterfly springs of a series of D63, and it is interior and be enclosed within on the bolt 22 to be placed on nylon jacket 28.
Therefore, according to the utility model, because damping layer 12 can be dismantled, and damping layer 12 is fixed between cylindrical shell 10 and the interior lining panel 13 by bolt 22, therefore, when the compound damping laminate of certain piece has been broken, need only loose bolts from the outside, in cylindrical shell, withdraw from bolt, the compound damping layer 12 that takes off interior lining panel 13 successively and gone bad is changed new compound damping layer then, loads onto nylon jacket 28, combination butterfly spring 17, press interior lining panel, put on bolting and get final product.Therefore, according to the maintenance of the damping layer of ball mill of the present utility model, easy for installation flexibly, hardness height, long service life.
Therefore, according to ball mill of the present utility model, when work, be delivered to cylindrical shell 10 by packing material 122 absorptions in the damped layer 12 of vibrational energy of the mutual collision generation between material 14, steel ball 15 and the interior lining panel 13 or after weakening, thereby make the noise of generation after being weakened, transmit again, thereby reached the purpose of vibration and noise reducing.In addition, owing in damping layer 12, be provided with the combination of nylon jacket 28 and elastomeric element 17, thus can avoid " overhead speaker " because of the mechanical oscillation formation of Bolt Connection position, thus can more effectively reach the purpose of vibration and noise reducing.
Adopt ball mill of the present utility model, noise can be reduced to below the 70dB (A).Therefore, according to the utility model, by between the interior lining panel of ball mill and cylindrical shell, the compound damping layer of one deck being set, after utilizing bolt that interior lining panel, compound damping layer and cylindrical shell are fixed, the mechanical oscillation large tracts of land that produces during ball mill work is reduced or weakens by compound damping layer, thereby can reach the purpose of vibration and noise reducing.In addition, be to make according to the compound damping layer of ball mill of the present utility model according to the appearance and size of interior lining panel, have interchangeability, and maintenance, easy for installation flexibly, the hardness height, long service life, effectiveness in vibration suppression is obvious simultaneously.
Yet the utility model is not limited to the foregoing description, under the situation that does not break away from the utility model scope, can carry out various changes and modifications to the utility model.
Claims (8)
1. low noise ball mill, described low noise ball mill comprises cylindrical shell and interior lining panel, it is characterized in that being provided with damping layer between the cylindrical shell of described low noise ball mill and interior lining panel.
2. low noise ball mill as claimed in claim 1, it is characterized in that described damping layer comprise first plate, second plate and place described first plate and described second plate between packing material.
3. low noise ball mill as claimed in claim 2, the described interior lining panel that it is characterized in that described first plate and described low noise ball mill is adjacent to be provided with, the described cylindrical shell of described second plate and described low noise ball mill is adjacent to be provided with, and described packing material is filled in the cavity that is formed between described first plate and described second plate.
4. low noise ball mill as claimed in claim 2 is characterized in that the size of described first plate of described damping layer and described second plate and shape size and the shape corresponding to the described interior lining panel of ball milling.
5. low noise ball mill as claimed in claim 1 is characterized in that described damping layer is by being bolted between described cylindrical shell and the described interior lining panel.
6. low noise ball mill as claimed in claim 5 is characterized in that described damping layer also comprises nylon jacket and places the interior elastomeric element of described nylon jacket.
7. low noise ball mill as claimed in claim 6 is characterized in that the butterfly spring of described elastomeric element for combination, and is enclosed within on the described bolt.
8. low noise ball mill as claimed in claim 1 is characterized in that described damping layer can dismantle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202377601U CN201692855U (en) | 2010-06-25 | 2010-06-25 | Low-noise ball mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202377601U CN201692855U (en) | 2010-06-25 | 2010-06-25 | Low-noise ball mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201692855U true CN201692855U (en) | 2011-01-05 |
Family
ID=43394100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202377601U Expired - Fee Related CN201692855U (en) | 2010-06-25 | 2010-06-25 | Low-noise ball mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201692855U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019095083A1 (en) * | 2017-11-14 | 2019-05-23 | Asesorias Y Servicios Innovaxxion Spa | Multi-layer lifter for semi-autogenous mills or sag mills |
| CN114042511A (en) * | 2021-11-10 | 2022-02-15 | 攀枝花贝氏体耐磨管道有限公司 | Composite damping structure mill barrel |
-
2010
- 2010-06-25 CN CN2010202377601U patent/CN201692855U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019095083A1 (en) * | 2017-11-14 | 2019-05-23 | Asesorias Y Servicios Innovaxxion Spa | Multi-layer lifter for semi-autogenous mills or sag mills |
| CN114042511A (en) * | 2021-11-10 | 2022-02-15 | 攀枝花贝氏体耐磨管道有限公司 | Composite damping structure mill barrel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20170625 |