CN202245375U - Powder conveying and metering device - Google Patents
Powder conveying and metering device Download PDFInfo
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- CN202245375U CN202245375U CN2011202892240U CN201120289224U CN202245375U CN 202245375 U CN202245375 U CN 202245375U CN 2011202892240 U CN2011202892240 U CN 2011202892240U CN 201120289224 U CN201120289224 U CN 201120289224U CN 202245375 U CN202245375 U CN 202245375U
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- powder
- powder conveying
- conveying mechanism
- transitional storehouse
- metering device
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Abstract
The utility model provides a powder conveying and metering device, which comprises a storage bin (1), a first powder conveying mechanism (16), a vertical lifting mechanism (13), a transitional cabin (7), a second powder conveying mechanism (9) and a metering cylinder (5), wherein the first powder conveying mechanism (16) is used for conveying powder in the storage bin (1) to the vertical lifting mechanism (13); the vertical lifting mechanism (13) is used for lifting the powder and supplying the powder to the transitional cabin (7); the bottom of the transitional cabin (7) is provided with a port; and the second powder conveying mechanism (9) is arranged below the transitional cabin (7) and used for supplying the powder discharged from the port of the transitional cabin (7) to the metering cylinder (5). The powder conveying and metering device provided by the utility model well solves the problem that materials are difficult to convey because the height difference between a powder storage point and a metering point is larger.
Description
Technical field
The utility model relates to engineering machinery field, particularly, relates to a kind of powder conveying and metering device.
Background technology
Asphalt mixing plant is used for bulk powders such as pitch and mineral powder, recovery powder or cement are mixed and stir; Powder conveying and metering device is the important component part of asphalt mixing plant; Be used to carry above-mentioned bulk powder and above-mentioned bulk powder is measured, the bulk powder after the metering is re-supplied to stir storehouse.
As shown in Figure 1; CN201746059U discloses a kind of powder conveying and metering device, and this device comprises feed bin 1, main conveyor screw 2 and metering cylinder 5, and the front end of main conveyor screw 2 is provided with auxilliary conveyor screw 3; The inlet point of auxilliary conveyor screw 3 is communicated with main conveyor screw 2; Main conveyor screw 2 and auxilliary conveyor screw 3 shared discharge nozzles 6, the exit of discharge nozzle 6 is provided with pneumatic discharge door 4, and metering cylinder 5 is arranged on the below of discharge nozzle 6.Powder in the feed bin 1 directly is transported in the metering cylinder 5 through main conveyor screw 2; When the diff-H between feed bin 1 and the metering cylinder 5 is excessive; Height that can only be through increasing feed bin 1 or satisfy transport requirement through angle and the length of main conveyor screw 2 that increases between main conveyor screw 2 and the horizontal surface, thus cause the floor area of device and the cost of main conveyor screw 2 to increase.In addition, the major part of the main conveyor screw 2 behind the lengthening all is suspended in the air, is not easy to fix poor stability.
The utility model content
The purpose of the utility model provides a kind of powder conveying and metering device, and this powder conveying and metering device can solve the difficult problem of mass transport when the discrepancy in elevation between powder storing point and the stoichiometric point is big.
To achieve these goals; The utility model provides a kind of powder conveying and metering device; This powder conveying and metering device comprises feed bin, the first powder conveying mechanism, vertical-lift mechanism, transitional storehouse, second powder conveying mechanism and the metering cylinder; The said first powder conveying mechanism is used for powder with said feed bin and is transported to said vertical-lift mechanism; Said vertical-lift mechanism is used to promote powder and powder is supplied to said transitional storehouse, and the bottom of said transitional storehouse is provided with material mouthful, and the said second powder conveying mechanism is arranged on the below of said transitional storehouse and is used for the powder of discharging from the material mouth of said transitional storehouse is supplied with to said metering cylinder.
Preferably, said vertical-lift mechanism is a vertical bucket elevator.
Preferably, be connected with first conveying pipeline between said vertical-lift mechanism and the said transitional storehouse, this first conveying pipeline is tilted to decurrence from said vertical-lift mechanism and reaches said transitional storehouse.
Preferably, said transitional storehouse is provided with level-sensing device.
Preferably, the said first powder conveying mechanism and the second powder conveying mechanism are conveyor screw, and the housing of the said second powder conveying mechanism is provided with the material mouth relative with the material mouth of said transitional storehouse.
Preferably, the material mouth on the housing of the said second powder conveying mechanism of the tight-lipped neighbour of the material of said transitional storehouse is provided with, and captives joint with the housing of the said second powder conveying mechanism in the bottom of said transitional storehouse.
Preferably, be connected with conveying pipeline between the material mouth on the housing of the material mouth of said transitional storehouse and the said second powder conveying mechanism.
Preferably, the material mouth on the housing of the material mouth of said transitional storehouse and the said second powder conveying mechanism is oblong.
Preferably, the rotative speed scalable of the said second powder conveying mechanism.
Preferably; The said second powder conveying mechanism has first rotative speed and second rotative speed; When said metering cylinder is slightly claimed; The said second powder conveying mechanism is supplied with powder with said first rotative speed, and when said metering cylinder carried out the essence title, the said second powder conveying mechanism was supplied with powder with said second rotative speed.
Preferably, be connected with second conveying pipeline between said first powder conveying mechanism and the said vertical-lift mechanism, be connected with the 3rd conveying pipeline between said second powder conveying mechanism and the said metering cylinder.
Preferably, this powder conveying and metering device also comprises platform, and this platform is captiveed joint with said vertical-lift mechanism, and said transitional storehouse is fixed on the said platform through support, and the said second powder conveying mechanism is fixed on the said support.
Can easily the powder in the feed bin be risen to stoichiometric point through vertical-lift mechanism; So the powder conveying and metering device that the utility model provides is suitable under the bigger situation of the diff-H between storing point and the stoichiometric point, carrying, and can save floor area.In addition, only just can satisfy the demand of differing heights metering cylinder through the hoisting depth that changes vertical-lift mechanism, commonality is better.Moreover, through the setting of transitional storehouse, can make the powder that promotes through vertical-lift mechanism obtain temporary transient storage, thereby can avoid powder to interrupt or pile up at the second powder conveying mechanism place, convenient and realize the conveying and the metering of powder swimmingly.
Other feature and advantage of the utility model will partly specify in the specific embodiment subsequently.
Description of drawings
Accompanying drawing is the further understanding that is used to provide the utility model, and constitutes the part of specification sheets, is used to explain the utility model with the following specific embodiment, but does not constitute the restriction to the utility model.In the accompanying drawings:
Fig. 1 is the structural representation of existing powder conveying and metering device;
Fig. 2 is the structural representation of the powder conveying and metering device that provides of the utility model.
Description of reference numerals
1: feed bin; 2: main conveyor screw; 3: auxilliary conveyor screw; 4: the pneumatic discharge door; 5: metering cylinder; 6: discharge nozzle; 7: transitional storehouse; 8: platform; 9: the second powder conveying mechanisms; 10: level-sensing device; 11: LOAD CELLS; 12: support; 13: vertical-lift mechanism; 14: the three conveying pipelines; 15: the second conveying pipelines; 16: the first powder conveying mechanisms; 17: the first conveying pipelines; 18: cowling.
The specific embodiment
Be elaborated below in conjunction with the specific embodiment of accompanying drawing to the utility model.Should be understood that the specific embodiment described herein only is used for explanation and explains the utility model, is not limited to the utility model.
In the utility model, under the situation of not doing opposite explanation, the noun of locality of use such as D score are that the mode of operation of the powder conveying and metering device that provides at the utility model is undefined.
As shown in Figure 2; The utility model provides a kind of powder conveying and metering device; This powder conveying and metering device comprises feed bin 1, the first powder conveying mechanism 16, vertical-lift mechanism 13, transitional storehouse 7, the second powder conveying mechanism 9 and metering cylinder 5; The said first powder conveying mechanism 16 is used for powder with said feed bin 1 and is transported to said vertical-lift mechanism 13; Said vertical-lift mechanism 13 is used to promote powder and powder is supplied to said transitional storehouse 7; The bottom of said transitional storehouse 7 is provided with the material mouth, and the said second powder conveying mechanism 9 is arranged on the below of said transitional storehouse 7 and is used for the powder of discharging from the material mouth of said transitional storehouse 7 is supplied with to said metering cylinder 5.
Can easily the powder in the feed bin 1 be risen to stoichiometric point through vertical-lift mechanism 13; So the powder conveying and metering device that the utility model provides is suitable under the bigger situation of the diff-H between storing point and the stoichiometric point, carrying, and can save floor area.In addition, only just can satisfy the demand of differing heights metering cylinder through the hoisting depth that changes vertical-lift mechanism 13, commonality is better.Moreover, through the setting of transitional storehouse 7, can make the powder that promotes through vertical-lift mechanism 13 obtain temporary transient storage, thereby can avoid powder to interrupt or pile up at the second powder conveying mechanism, 9 places, convenient and realize the conveying and the metering of powder swimmingly.
Said vertical-lift mechanism 13 can take the various mechanisms that can realize vertical transport, for example vertical screw type conveyer or vertical bucket elevator.In order to practice thrift cost, preferably, said vertical-lift mechanism 13 is a vertical bucket elevator.The structure of said vertical bucket elevator is conventionally known to one of skill in the art, repeats no more at this.
The powder that for ease vertical-lift mechanism 13 is promoted supplies to transitional storehouse 7; Preferably; Be connected with first conveying pipeline 17 between said vertical-lift mechanism 13 and the said transitional storehouse 7, this first conveying pipeline 17 tilts to extend downwardly into said transitional storehouse 7 from said vertical-lift mechanism 13.Like this, powder can be transported to transitional storehouse 7 from vertical-lift mechanism 13 through first conveying pipeline 17 easily under the effect of gravity.First conveying pipeline 17 can take various suitable modes to be connected with transitional storehouse 7 with vertical-lift mechanism 13, for example is fastenedly connected.
For ease the powder in the transitional storehouse 7 is monitored; Guarantee the material level stable and controllable of the powder in the transitional storehouse 7; Avoid having influence on the flowing velocity and the measuring accuracy of powder because of the height change of powder; Preferably, said transitional storehouse 7 is provided with level-sensing device 10, and level-sensing device 10 is installed on the sidewall of transitional storehouse 7 usually.Level-sensing device 10 can be one, also can be two.In embodiment shown in Figure 2, level-sensing device 10 is one.Like this; After the material level in the transitional storehouse 7 reaches the position of level-sensing device 10, control the first powder conveying mechanism 16 through control system, make its time of run prolong suitable a, regular time; After the time-delay expiration, the first powder conveying mechanism 16 stops the supply of powder automatically; When the material level in the transitional storehouse 7 is lower than level-sensing device 10, control the first powder conveying mechanism 16 through control system, make the first powder conveying mechanism 16 supply with powder automatically again.As selection, two level-sensing devices 10 also can be set, one of them said level-sensing device 10 is positioned at the top of said transitional storehouse 7, and another said level-sensing device 10 is positioned at the bottom of said transitional storehouse 7.Like this, when the material level in the transitional storehouse 7 reaches the value of superposed level-sensing device 10, control the first powder conveying mechanism 16, make the first powder conveying mechanism 16 stop the supply of powder through control system; When the material level in the transitional storehouse 7 reaches the value of the level-sensing device 10 that is positioned at the bottom, control the first powder conveying mechanism 16 through control system, make the first powder conveying mechanism 16 supply with powder again.
In addition, on the transitional storehouse 7 cowling 18 can also be installed, to guarantee that the pressure in the transitional storehouse 7 is normal pressure.
The first powder conveying mechanism 16 can adopt the various mechanisms that can carry out the powder conveying.For ease powder is carried, preferably, the first powder conveying mechanism 16 is a conveyor screw.Preferably, be connected with second conveying pipeline 15 between said first powder conveying mechanism 16 and the said vertical-lift mechanism 13, like this, can connect the first powder conveying mechanism 16 and vertical-lift mechanism 13 easily, make powder supply to vertical-lift mechanism 13.Second conveying pipeline 15 can take various suitable modes to be connected with vertical-lift mechanism 13 with the first powder conveying mechanism 16, for example is fastenedly connected.
The second powder conveying mechanism 9 can be taked the various mechanisms that can carry out the powder conveying.For ease powder is carried, preferably, the second powder conveying mechanism 9 is a conveyor screw, and the housing of the second powder conveying mechanism 9 is provided with the material mouth relative with the material mouth of said transitional storehouse 7.The material mouth of transitional storehouse 7 can be close to the material mouth setting on the housing of the second powder conveying mechanism 9, easily the powder in the transitional storehouse 7 is supplied to the second powder conveying mechanism 9.In addition, can captive joint with the housing (for example passing through fastener) of the second powder conveying mechanism 9 in the bottom of transitional storehouse 7, with the position of fixing two material mouths.As selection, also can between the material mouth of the material mouth of transitional storehouse 7 and the second powder conveying mechanism 9, be connected conveying pipeline, thereby the powder in the transitional storehouse 7 supplied to the second powder conveying mechanism 9 through this conveying pipeline.Said conveying pipeline can take various suitable modes to be connected with the second powder conveying mechanism 9 with transitional storehouse 7, for example is fastenedly connected.
Preferably, the material mouth on the housing of the material mouth of said transitional storehouse 7 and the said second powder conveying mechanism 9 is oblong.Like this, the break-make area of material mouth is big, can not have arch camber, mobile smooth phenomenon in the powder flow process.
In order to improve the measuring accuracy of powder, preferably, the rotative speed scalable of the said second powder conveying mechanism 9.A kind of embodiment according to the utility model; The said second powder conveying mechanism 9 has first rotative speed and second rotative speed; When said metering cylinder 5 is slightly claimed; The said second powder conveying mechanism 9 is supplied with powder with said first rotative speed, and when said metering cylinder 5 carried out the essence title, the said second powder conveying mechanism 9 was supplied with powder with said second rotative speed.First rotative speed is set at high value usually, and second rotative speed is set at than low value usually.The concrete numerical value of first rotative speed and second rotative speed is set according to actual needs.Particularly, in the metering starting stage, control system is controlled the second powder conveying mechanism 9 and is supplied with powder with first rotative speed, slightly claims; And when the fast end of metering, control system is controlled the second powder conveying mechanism 9 and is supplied with powder with second rotative speed, carries out essence and claims.As selection, also can set plural rotative speed, make the second powder conveying mechanism 9 carry powder with different speed in the different stages.The control of the rotative speed of the second powder conveying mechanism 9 and regulative mode are conventionally known to one of skill in the art, repeat no more at this.
Preferably, be connected with the 3rd conveying pipeline 14 between said second powder conveying mechanism 9 and the said metering cylinder 5.Like this, can connect the second powder conveying mechanism 9 and metering cylinder 5 easily, make powder supply to metering cylinder 5.The 3rd conveying pipeline 14 can take various suitable modes to be connected with metering cylinder 5 with the second powder conveying mechanism 9, for example is fastenedly connected.
The installation of the transitional storehouse 7 and the second powder conveying mechanism 9 for ease; Preferably; The powder conveying and metering device that the utility model provides also comprises platform 8; This platform 8 is captiveed joint with said vertical-lift mechanism 13, and said transitional storehouse 7 is fixed on the said platform 8 through support 12, and the said second powder conveying mechanism 9 is fixed on the said support 12.Platform 8 can take various suitable modes to captive joint with vertical-lift mechanism 13, for example is fastenedly connected.Transitional storehouse 7 can be fixed on the support 12 through the mode that is fastenedly connected or welds, and support 12 can be fixed on through the mode that is fastenedly connected or welds on the platform 8, and the second powder conveying mechanism 9 can be fixed on the support 12 through fastener.
As known in those skilled in the art, metering cylinder 5 is installed in usually and stirs on the main building.Likewise, platform 8 also is installed in and stirs on the main building.
The structure of metering cylinder 5 is conventionally known to one of skill in the art, for example on the metering cylinder 5 LOAD CELLS 11 can be installed, easily powder is measured.In addition, cowling 18 is installed on the metering cylinder 5, to guarantee that the pressure in the metering cylinder 5 is normal pressure.The structure of feed bin 1 is conventionally known to one of skill in the art, repeats no more at this.
Can easily the powder in the feed bin 1 be risen to stoichiometric point through vertical-lift mechanism 13; So the powder conveying and metering device that the utility model provides is suitable under the bigger situation of the diff-H between storing point and the stoichiometric point, carrying, and can save floor area.In addition, only just can satisfy the demand of differing heights metering cylinder through the hoisting depth that changes vertical-lift mechanism 13, commonality is good.Moreover, through the setting of transitional storehouse 7, can make the powder that promotes through vertical-lift mechanism 13 obtain temporary transient storage, thereby can avoid powder to interrupt or pile up at the second powder conveying mechanism, 9 places, convenient and realize the conveying and the metering of powder swimmingly.In addition, because the rotative speed scalable of the second powder conveying mechanism 9, so can improve the powder measuring accuracy.
In addition, the powder conveying and metering device that provides of the utility model have simple in structure, arrange compactness, stable and reliable structure, advantage such as commonality is good, floor area is little.
More than combine accompanying drawing to describe the preferred implementation of the utility model in detail; But; The utility model is not limited to the detail in the above-mentioned embodiment; In the technical conceive scope of the utility model, can carry out multiple simple variant to the technical scheme of the utility model, these simple variant all belong to the protection domain of the utility model.
Need to prove that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment under reconcilable situation, can make up through any suitable manner.For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible array modes.
In addition, also can carry out combination in any between the various embodiment of the utility model, as long as its thought without prejudice to the utility model, it should be regarded as content disclosed in the utility model equally.
Claims (12)
1. powder conveying and metering device; It is characterized in that; This powder conveying and metering device comprises feed bin (1), the first powder conveying mechanism (16), vertical-lift mechanism (13), transitional storehouse (7), the second powder conveying mechanism (9) and metering cylinder (5); The said first powder conveying mechanism (16) is used for the powder of said feed bin (1) is transported to said vertical-lift mechanism (13); Said vertical-lift mechanism (13) is used to promote powder and powder is supplied to said transitional storehouse (7); The bottom of said transitional storehouse (7) is provided with the material mouth, and the said second powder conveying mechanism (9) is arranged on the below of said transitional storehouse (7) and is used for the powder of discharging from the material mouth of said transitional storehouse (7) is supplied with to said metering cylinder (5).
2. powder conveying and metering device according to claim 1 is characterized in that said vertical-lift mechanism (13) is a vertical bucket elevator.
3. powder conveying and metering device according to claim 1; It is characterized in that; Be connected with first conveying pipeline (17) between said vertical-lift mechanism (13) and the said transitional storehouse (7), this first conveying pipeline (17) tilts to extend downwardly into said transitional storehouse (7) from said vertical-lift mechanism (13).
4. powder conveying and metering device according to claim 1 is characterized in that said transitional storehouse (7) is provided with level-sensing device (10).
5. powder conveying and metering device according to claim 1; It is characterized in that; The said first powder conveying mechanism (16) and the second powder conveying mechanism (9) are conveyor screw, and the housing of the said second powder conveying mechanism (9) is provided with the material mouth relative with the material mouth of said transitional storehouse (7).
6. powder conveying and metering device according to claim 5; It is characterized in that; Material mouth on the housing of the said second powder conveying mechanism (9) of the tight-lipped neighbour of material of said transitional storehouse (7) is provided with, and captives joint with the housing of the said second powder conveying mechanism (9) in the bottom of said transitional storehouse (7).
7. powder conveying and metering device according to claim 5 is characterized in that, is connected with conveying pipeline between the material mouth on the housing of the material mouth of said transitional storehouse (7) and the said second powder conveying mechanism (9).
8. powder conveying and metering device according to claim 5 is characterized in that, the material mouth on the housing of the material mouth of said transitional storehouse (7) and the said second powder conveying mechanism (9) is oblong.
9. powder conveying and metering device according to claim 5 is characterized in that, the rotative speed scalable of the said second powder conveying mechanism (9).
10. powder conveying and metering device according to claim 9; It is characterized in that; The said second powder conveying mechanism (9) has first rotative speed and second rotative speed, and when said metering cylinder (5) when slightly claiming, the said second powder conveying mechanism (9) is supplied with powder with said first rotative speed; When said metering cylinder (5) carried out the essence title, the said second powder conveying mechanism (9) was supplied with powder with said second rotative speed.
11. powder conveying and metering device according to claim 5; It is characterized in that; Be connected with second conveying pipeline (15) between said first powder conveying mechanism (16) and the said vertical-lift mechanism (13), be connected with the 3rd conveying pipeline (14) between said second powder conveying mechanism (9) and the said metering cylinder (5).
12. powder conveying and metering device according to claim 1; It is characterized in that; This powder conveying and metering device also comprises platform (8); This platform (8) is captiveed joint with said vertical-lift mechanism (13), and said transitional storehouse (7) is fixed on the said platform (8) through support (12), and the said second powder conveying mechanism (9) is fixed on the said support (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202892240U CN202245375U (en) | 2011-08-10 | 2011-08-10 | Powder conveying and metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202892240U CN202245375U (en) | 2011-08-10 | 2011-08-10 | Powder conveying and metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202245375U true CN202245375U (en) | 2012-05-30 |
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ID=46106652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202892240U Expired - Fee Related CN202245375U (en) | 2011-08-10 | 2011-08-10 | Powder conveying and metering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202245375U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104590910A (en) * | 2015-01-10 | 2015-05-06 | 浙江长兴正达电炉制造有限公司 | Feeding weighing system |
| CN107512498A (en) * | 2017-09-27 | 2017-12-26 | 扬州中建建设机械有限公司 | Powder stores and conveying equipment |
| CN110451183A (en) * | 2019-09-02 | 2019-11-15 | 唐山小康米业有限公司 | A kind of automatical feeding system |
-
2011
- 2011-08-10 CN CN2011202892240U patent/CN202245375U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104590910A (en) * | 2015-01-10 | 2015-05-06 | 浙江长兴正达电炉制造有限公司 | Feeding weighing system |
| CN107512498A (en) * | 2017-09-27 | 2017-12-26 | 扬州中建建设机械有限公司 | Powder stores and conveying equipment |
| CN110451183A (en) * | 2019-09-02 | 2019-11-15 | 唐山小康米业有限公司 | A kind of automatical feeding system |
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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: 20120530 Termination date: 20160810 |