CN203991309U - Screening and powder selecting device - Google Patents
Screening and powder selecting device Download PDFInfo
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- CN203991309U CN203991309U CN201420261868.2U CN201420261868U CN203991309U CN 203991309 U CN203991309 U CN 203991309U CN 201420261868 U CN201420261868 U CN 201420261868U CN 203991309 U CN203991309 U CN 203991309U
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- screening
- sorting
- negative pressure
- powder
- selection device
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- 239000000843 powder Substances 0.000 title claims abstract description 79
- 238000012216 screening Methods 0.000 title claims abstract description 77
- 239000000463 material Substances 0.000 claims abstract description 52
- 230000000694 effects Effects 0.000 claims description 9
- 239000006185 dispersion Substances 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 2
- 239000000428 dust Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 description 15
- 230000008569 process Effects 0.000 description 10
- 230000007246 mechanism Effects 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 239000004576 sand Substances 0.000 description 4
- 229920001971 elastomer Polymers 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000010334 sieve classification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model discloses a screening selection powder device, this screening selection powder device include screening box, pan feeding mouth, pre-sorting unit and negative pressure device. The feeding port is arranged on the screening box body; the pre-sorting device is communicated with the screening box body, disperses unscreened materials entering the screening box body from the feeding port and performs pre-sorting; the negative pressure device is communicated with the screening box body and generates dust removal negative pressure in the screening box body, and powder in the unscreened materials is separated from the unscreened materials under the action of the dust removal negative pressure so as to control the content of the powder in the unscreened materials. The utility model provides a screening selection powder device utilizes the powder content that negative pressure device can accurate control in the material, in addition, through sorting in advance the material, improves the screening efficiency of material.
Description
Technical field
The utility model relates to the technical field of sand industry material screening equipment processed, particularly a kind of screening powder selection device of material.
Background technology
In sand industry processed, required aggregate is generally that large particle diameter material obtains aggregate and the powder that particle diameter differs after crusher in crushing, in order to meet the use of concrete downstream industry, need carry out sieve classification to aggregate, and powder containing quantity in aggregate is controlled.
In the prior art, when aggregate is sieved, can not accurately control the content of powder in aggregate, number of patent application is method for separating and the sorting unit thereof that discloses a kind of mineral in the document of CN200780052433.X, it dispels different mesh screen positions by wind pushing mechanism by aggregate, and mesh screen is again to the further sorting of the aggregate of certain limit grain size.Although the method can be opened the aggregate sorting of different-grain diameter, cannot accurately control the content of the powder in aggregate.
Utility model content
The utility model provides a kind of screening powder selection device, can solve that aggregate powder containing quantity in prior art cannot accurately be controlled and the inefficient technical problem of screening process of aggregate.
For addressing the above problem, the utility model provides a kind of screening powder selection device, and this screening powder selection device comprises: screening casing, Pre-sorting device, negative pressure device and analytical engine; Wherein, Pre-sorting device is communicated with screening casing, the not sieved material dispersion that enters into screening casing is opened, and carry out Pre-sorting, negative pressure device is communicated with screening casing, and produce dedusting negative pressure in screening casing, powder in this not sieved material under the effect of dedusting negative pressure never screening materials carrying separate, analytical engine is located at the junction of screening casing and described negative pressure device, rely on the rotating speed that changes analytical engine to regulate the powder by analytical engine, and then control the powder content in not sieved material.
According to the utility model one preferred embodiment, this analytical engine comprises: center hub, blade, shell, driver element, analytical engine main shaft and control module; Blade is evenly located at described center nave collar week; Shell arranges around blade periphery, protection and fixing analytical engine; Driver element provides driving force for blade rotation; Analytical engine main shaft connects center hub and driver element transmission of drive force; Control module is connected with driver element, controls the rotating speed of driver element.
According to the utility model one preferred embodiment, this negative pressure device further comprises: dedusting Negative pressure machine and powder control pipeline, and this dedusting Negative pressure machine produces dedusting negative pressure; Powder control pipeline communication screening casing and dedusting Negative pressure machine.
According to the utility model one preferred embodiment, this screening powder selection device also comprises feeding mouth, and described feeding mouth is located on screening casing.
According to the utility model one preferred embodiment, this screening casing comprises antinose-dive leg, casing platform and Pre-sorting case; Wherein, casing platform is located at the top of antinose-dive leg; Pre-sorting case is located at the upper surface of casing platform, is communicated with Pre-sorting device.
According to the utility model one preferred embodiment, this Pre-sorting device is hair-dryer.
According to the utility model one preferred embodiment, this Pre-sorting case is provided with air quantity and regulates mouth, change the size of air quantity adjusting mouth according to the feeding of feeding mouth, control the air quantity that enters into Pre-sorting case, realize dispersion and the Pre-sorting of the not sieved material to entering Pre-sorting case.
According to the utility model one preferred embodiment, also involving vibrations base, flexible supporting frames and sieve nest of this screening powder selection device; Vibrating base is located at antinose-dive leg bottom; Sieve nest is connected with vibrating base by flexible supporting frames, and vibrating base provides the power that sieves of sieve nest; Wherein, sieve nest receives the material after Pre-sorting device Pre-sorting, and this material is further sieved.
According to the utility model one preferred embodiment, this sieve nest comprises point sieve nest that multiple sieve apertures are different, so that material is carried out to multistage screening.
According to the utility model one preferred embodiment, this screening powder selection device comprises the multiple discharge gates that arrange corresponding to point sieve nest, so that the different-grain diameter material in material is discharged respectively.
With respect to prior art, the screening powder selection device that the utility model provides can accurately be controlled the powder containing quantity in aggregate by analytical engine selecting in powder process; Before screening, aggregate is carried out to Pre-sorting, improve screening efficiency; By screening with select the combination of powder process, aggregate processing technical process is simplified, reduce energy consumption, cost-saving.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the utility model screening powder selection device one embodiment;
Fig. 2 is the left view that sieves powder selection device shown in Fig. 1; And
Fig. 3 is the structural representation of analytical engine shown in Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1 and Fig. 2, Fig. 1 is the structural representation of the utility model screening powder selection device one embodiment, Fig. 2 is the left view that sieves powder selection device shown in Fig. 1, and this screening powder selection device comprises screening casing 100, feeding mouth 200, Pre-sorting device 300, analytical engine 400, negative pressure device (not shown), vibrating base 600, flexible supporting frames 700, sieve nest 800 and discharge gate 900.
Particularly, screening casing 100 further comprises antinose-dive leg 101, casing platform 102 and Pre-sorting case 103.Wherein, casing platform 102 is located at the top of antinose-dive leg 101, and antinose-dive leg 101 supports this casing platform 102, and antinose-dive leg 101 can adopt the welding of the section bar such as angle bar, pipe to make, casing platform 102 can adopt the making of sheet metal or other materials, plays support effect.
Pre-sorting case 103 is located at the upper surface of this casing platform 102, and in a preferred embodiment, Pre-sorting case 103 is the rectangular structure of five face closures, and bottom surface opened is so that the material after 300 sortings of Pre-sorting device can fall smoothly.Certainly, the shape of Pre-sorting case 103 is not limited to cuboid, can also be for the open any solid in bottom, and in this no limit.
The upper surface of Pre-sorting case 103 is provided with feeding mouth 200, side is provided with air quantity and regulates mouth 104, and Pre-sorting device 300 regulates mouth 104 to be communicated with Pre-sorting case 103 by air quantity, in the present embodiment, Pre-sorting device 300 is hair-dryer, and is fixedly arranged on the upper surface of casing platform 103.Not sieved material enters into Pre-sorting case 103 by feeding mouth, hair-dryer is blown into high velocity air to Pre-sorting case 103, the material that enters Pre-sorting case 103 is dispelled out, because the particle diameter of material is different with density, under the action of high-speed airflow of hair-dryer, naturally scatter, reach the effect to material Pre-sorting, to improve the efficiency of follow-up screening process.According to the difference of feeding speed, change the size that air quantity regulates mouth 104, control enters into the air quantity of Pre-sorting case 103, can realize optimum dispersion and Pre-sorting effect to entering Pre-sorting case 103 materials, wherein, proportional between the size of air quantity adjusting mouth 104 and the speed of feeding speed, concrete control procedure, in those skilled in the art understand scope, does not repeat them here.
In other embodiments, Pre-sorting device 300 can also be other mechanisms, for example, throwing machinery or high-speed conveyor etc., reach dispersion and Pre-sorting effect to not sieved material, correspondingly, on Pre-sorting case 103, be provided with the access port of throwing machinery or high-speed conveyor.
Negative pressure device further comprises dedusting Negative pressure machine (not shown) and powder control pipeline 502, dedusting Negative pressure machine is communicated with Pre-sorting case 103 by powder control pipeline 502, wherein, dedusting Negative pressure machine can be air exhauster or high power vacuum cleaner, powder control pipeline 502 is horn-like setting, one end that opening is large is communicated with Pre-sorting case 103, one end that opening is little is communicated with dedusting Negative pressure machine, this project organization meets the stressing conditions in air channel, can improve the operating efficiency of dedusting Negative pressure machine.
Negative pressure device is in order in the interior generation dedusting of Pre-sorting case 103 negative pressure, enter into the material of Pre-sorting case 103 after being scatter by Pre-sorting device 300, due to the effect of dedusting negative pressure, powder in not sieved material is separated from this not sieved material, controls the powder content in this not sieved material with this.
In a preferred embodiment, analytical engine 400 is located at the junction of powder control pipeline 502 and dedusting Negative pressure machine, by changing the rotating speed of analytical engine 400, to controlling by the powder amount of powder control pipeline 502.Refer to Fig. 3, Fig. 3 is the structural representation of analytical engine shown in Fig. 1, and analytical engine 400 concrete structures comprise center hub 401, blade 402, shell 403, driver element (not shown), analytical engine main shaft (not shown) and control module (not shown).
Center hub 401 is in the form of annular discs; blade 402 is evenly located at the ring week of this center hub 401; the form of blade 401 can be tubular cylinder or spiral laminated structure; shell 403 is around blade 402 periphery settings; play the integrally-built protection of analytical engine 400 and fixation; driver element is connected with center hub 401 by analytical engine main shaft; driver element provides driving force by this analytical engine main shaft to center hub 401; rotate with band moving vane 402; control module is electrically connected with driver element, controls the rotating speed of this driver element.
In the present embodiment, driver element adopts adjustable stepper motor or the servomotor of speed, so that control module is accurately controlled the rotating speed of driver element, in addition, control module can be independent PLC control module, also can be embedded in other control modules of screening powder selection device, control module also repeats no more the control procedure of driver element herein.
The operation principle of analytical engine 400 is as follows: blade 402 rotates under the driving of driver element, powder in material enters into dedusting Negative pressure machine with given pace by powder control pipeline 502 under the effect of dedusting negative pressure, in the time needing to reduce powder in aggregate, the rotating speed that control module is exported to driver element reduces signal, driver element rotating speed reduces, the region that 402 unit interval of blade turn over reduces, it is large that the region that powder passes through becomes, according to flow formula Q=Sv, (Q represents flow, S represents to pass through area, v represent the to flow through speed of material in this area) known, in the case of powder flow through the speed v of powder control pipeline 502 constant, area S is larger, flow Q in unit interval is larger, correspondingly, stay powder in aggregate just more, equally, in the time of powder content increase in demand in aggregate, improve the rotating speed of blade 402.In this embodiment, analytical engine 400 is simple in structure, can accurately control its rotating speed, and then controls by the powder amount of powder control pipeline 502, realizes the controllability of powder content in aggregate.
Antinose-dive leg 101 bottoms are provided with vibrating base 600, and sieve nest 800 is connected with vibrating base 600 by flexible supporting frames 700, and wherein, flexible supporting frames 700 can be the Flexible element being coordinated by spring and damper, can be the versions such as elastomer rubber part.Sieve nest 800 and vibrating base 600 are all placed in Pre-sorting case 103 belows, sieve nest 800 receives from the material after Pre-sorting device 300 Pre-sortings dropping in Pre-sorting case 103, and this material is further sieved, vibrating base 600 offers sieve nest 800 and sieves power.
Vibrating base 600 further comprises base plate, motor and vibrating mechanism.Motor is fixed on base plate, and vibrating mechanism produces effect of vibration under the driving of motor, and wherein, vibrating mechanism can be eccentric rotating disk or eccentric guide rod etc., adopts in the present embodiment eccentric turntable structure, the concrete form of vibrating mechanism is not limited at this.
Sieve nest 800 comprises point sieve nest that multiple sieve apertures are different, so that material is carried out to multistage screening, on screening powder selection device, corresponding each point of sieve nest is provided with multiple discharge gates 900, for discharging respectively the different-grain diameter material after each point of sieve nest screening, the quantity of point sieve nest is according to requiring segmentation degree and slot size to arrange to particle diameter in aggregate.
Through Pre-sorting device 300, material is carried out after Pre-sorting, material drops on the diverse location of sieve nest 800 successively according to the size of particle diameter, material after Pre-sorting can be avoided the mixed sieve phenomenon of different-grain diameter material like this, in addition, through negative pressure device select in the material after powder powder content less, be conducive to the carrying out of screening, improve the sieving capacity of sieve nest 800, and then improve screening efficiency.
Sieving and selecting powder is the large important step of sand industry two processed, and the screening powder selection device that the utility model provides has integrated these two steps, has optimized the production-line technique flow process of sand aggregate processed, reduces energy consumption, cost-saving; By regulating the rotating speed of analytical engine, realize the accurate control of powder containing quantity in aggregate, before screening, aggregate is carried out to Pre-sorting, greatly improve the efficiency of screening process.
In addition, each functional device (negative pressure device, analytical engine, vibratory sieve body structure part etc.) of the screening powder selection device in the present embodiment also can require to carry out combination collocation use according to the screening of aggregate, for example, remove vibratory sieve body structure part, can only select powder process, remove negative pressure device, can carry out separately screening process etc.
The foregoing is only part embodiment of the present utility model; not thereby limit protection domain of the present utility model; every equivalent device or conversion of equivalent flow process that utilizes the utility model description and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a screening powder selection device, is characterized in that, comprising:
Screening casing (100);
Pre-sorting device (300), is communicated with described screening casing (100), the not sieved material dispersion that enters into described screening casing (100) is opened, and carried out Pre-sorting;
Negative pressure device, is communicated with described screening casing (100), and produces dedusting negative pressure in described screening casing (100), and the powder in described not sieved material is opened from described not sieved feed separation under the effect of described dedusting negative pressure;
Analytical engine (400), described analytical engine (400) is located at the junction of described screening casing (100) and described negative pressure device, wherein, rely on the rotating speed that changes described analytical engine (400) to regulate by the powder of described analytical engine (400), and then control the powder content in described not sieved material.
2. screening powder selection device according to claim 1, is characterized in that, described analytical engine (400) comprising:
Center hub (401);
Blade (402), is evenly located at described center hub (401) ring week;
Shell (403), around described blade (402) periphery setting, protection and fixing described analytical engine (400);
Driver element, provides driving force for described blade (402) rotates;
Analytical engine main shaft, connects described center hub (401) with described driver element and transmits described driving force; With
Control module, is connected with described driver element, controls the rotating speed of described driver element.
3. screening powder selection device according to claim 2, is characterized in that, described negative pressure device further comprises:
Dedusting Negative pressure machine, produces dedusting negative pressure; With
Powder control pipeline (502), is communicated with described screening casing (100) and described dedusting Negative pressure machine.
4. screening powder selection device according to claim 3, is characterized in that, described screening powder selection device also comprises feeding mouth (200), and described feeding mouth (200) is located on described screening casing (100).
5. according to the screening powder selection device described in any one in claim 4, it is characterized in that, described screening casing (100) comprising:
Antinose-dive leg (101);
Casing platform (102), is located at the top of described antinose-dive leg (101); With
Pre-sorting case (103), is located at the upper surface of described casing platform (102), is communicated with described Pre-sorting device (300).
6. screening powder selection device according to claim 5, is characterized in that, described Pre-sorting device (300) is hair-dryer.
7. screening powder selection device according to claim 6, it is characterized in that, described Pre-sorting case (103) is provided with air quantity and regulates mouthful (104), change the size of described air quantity adjusting mouthful (104) according to the feeding of described feeding mouth (200), control enters into the air quantity of described Pre-sorting case (103), realizes dispersion and the Pre-sorting of the described not sieved material to entering described Pre-sorting case (103).
8. according to the screening powder selection device described in any one in claim 1-4, it is characterized in that, described screening powder selection device also comprises:
Vibrating base (600), is located at described antinose-dive leg (101) bottom;
Flexible supporting frames (700);
Sieve nest (800), is connected with described vibrating base (600) by described flexible supporting frames (700), and described vibrating base (600) provides the power that sieves of described sieve nest (800);
Wherein, described sieve nest (800) receives the material after described Pre-sorting device (300) Pre-sorting, and described material is further sieved.
9. screening powder selection device according to claim 8, is characterized in that, described sieve nest comprises point sieve nest that multiple sieve apertures are different, so that described material is carried out to multistage screening.
10. screening powder selection device according to claim 9, is characterized in that, described screening powder selection device comprises the multiple discharge gates (900) that arrange corresponding to described point of sieve nest, so that the different-grain diameter material in described material is discharged respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420261868.2U CN203991309U (en) | 2014-05-21 | 2014-05-21 | Screening and powder selecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420261868.2U CN203991309U (en) | 2014-05-21 | 2014-05-21 | Screening and powder selecting device |
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| Publication Number | Publication Date |
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| CN203991309U true CN203991309U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420261868.2U Expired - Lifetime CN203991309U (en) | 2014-05-21 | 2014-05-21 | Screening and powder selecting device |
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| Country | Link |
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| CN (1) | CN203991309U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106391283A (en) * | 2016-11-09 | 2017-02-15 | 郑州莉迪亚医药科技有限公司 | Two-time screening type primary powder concentrator |
| CN107952685A (en) * | 2017-11-30 | 2018-04-24 | 泗县三虎粮油机械有限公司 | A kind of automatic tune wind type multistage pneumatic separation grains separating machine |
-
2014
- 2014-05-21 CN CN201420261868.2U patent/CN203991309U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106391283A (en) * | 2016-11-09 | 2017-02-15 | 郑州莉迪亚医药科技有限公司 | Two-time screening type primary powder concentrator |
| CN107952685A (en) * | 2017-11-30 | 2018-04-24 | 泗县三虎粮油机械有限公司 | A kind of automatic tune wind type multistage pneumatic separation grains separating machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141210 |