CN203750844U - Screening device - Google Patents
Screening device Download PDFInfo
- Publication number
- CN203750844U CN203750844U CN201420146267.7U CN201420146267U CN203750844U CN 203750844 U CN203750844 U CN 203750844U CN 201420146267 U CN201420146267 U CN 201420146267U CN 203750844 U CN203750844 U CN 203750844U
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- CN
- China
- Prior art keywords
- cylinder
- mixing chamber
- batch mixing
- charging aperture
- screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a screening device. The screening device comprises a frame and a cylinder. The frame is provided with a driving motor, one end of the cylinder is connected with a cylinder fixed end cover which is connected with the driving motor, and the other end of the cylinder is provided with a cylinder feeding port which is connected with a feeding system; a detachable cylinder screen is arranged inside the cylinder; the cylindrical side wall of the cylinder is provided with through holes larger than the screen holes of the cylinder screen; the cylinder can be driven by the driving motor to rotate around a central shaft; a housing is arranged outside the cylinder, the lower portion of the housing of the cylinder is a collector; the feeding system comprises a primary screening device, the screen holes of the primary screening device is larger than those of the cylinder screen. The screening device is simple in structure and can guarantee that the granularity and the homogeneous degree of screened samples can meet relevant requirements.
Description
Technical field
The utility model relates to material sorting field, specifically a kind of sifter.
Background technology
In chemical industry, pharmacy and other association areas, usually need powdery or granular material to screen, guarantee that order number reaches certain value.With regard to standard sample is produced, because production, mensuration and the definite value of standard substance/standard sample (RM) is improve and maintain the critical activity that world wide is measured uniformity system, the uniformity of standard sample, stability are to guarantee the reliability of measurement result in country or international coverage, accuracy and conforming key point.The uniformity of solid sample depends on granularity and the mixability of sample.At present, the granularity of domestic solid standard sample is to lean on the sieve of certain pore size to sieve, and then mix and blend carries out homogeneous.With common sieve, sieve standard sample etc. to homogeneous and the high fixed substance of granularity requirements, its troublesome poeration, effect are unreliable.
Utility model content
Technical problem to be solved in the utility model is to overcome above-mentioned the deficiencies in the prior art, and a kind of a kind of sifter that can reach uniformity coefficient that standard sample requires simple in structure, easy to use is provided.
The utility model solves the technical scheme that its technical problem adopts:
Sifter, comprise frame, cylinder, drive motors is installed in frame, cylinder one end and cylinder fixedly end cap are connected, cylinder fixedly end cap is connected with drive motors, the cylinder other end is provided with cylinder charging aperture, and cylinder charging aperture is connected with feed system, the built-in dismountable cylinder screen cloth of cylinder, the cylindrical sidewall of cylinder is provided with the through hole large compared with cylinder screen mesh, cylinder can rotate around central shaft under drive motors drives, and cylinder is provided with housing outward, and cylinder lower case is loading head; Described feed system is provided with primary screen apparatus, and the sieve aperture of primary screen apparatus is greater than the mesh of cylinder screen cloth.
Described feed system comprises charging aperture and batch mixing chamber, and at the bottom of batch mixing chamber, higher than cylinder charging aperture, there is through hole bottom surface, batch mixing chamber, and screen cloth is placed on bottom surface, batch mixing chamber, and screen cloth top is provided with the paddle being connected with motor; Batch mixing chamber is connected by inclined-plane feed pipe with cylinder charging aperture.
As a kind of optimal way, on the sidewall of batch mixing chamber, be provided with can folding discharge door, open that discharge door is convenient discharges large particulate matter that cannot sieving in batch mixing chamber.
As a kind of optimal way, the inner surface of loading head is inclined-plane.The inner surface of loading head is set to inclined-plane, is conducive to the material of screening to discharging opening set.
As a kind of optimal way, the housing outside cylinder is divided into upper shell and lower house, and upper shell and lower house are fixed together by set bolt, and lower house forms loading head.The shield structure that adopts upper shell and lower house to form, dismounting, cleaning after easy to use.
The beneficial effects of the utility model are: the primary screen apparatus of sifter feed system, can slightly mix scalping to material; Secondary screening adopts roller frame, can further mix, sieves when regrading, and to meet the requirement to sample granularity and homogeneous, it is reliable for effect, it is consuming time short to sieve.This sifter is simple in structure simultaneously, processing cost is low, easy accessibility is convenient to clean.
Accompanying drawing explanation
The structural representation of Fig. 1 sifter of the present utility model;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 1;
Fig. 4 is the C-C cutaway view of Fig. 1;
In figure, 1 frame, 2 charging trays, 3 loading heads, 4 cylinder charging apertures, 5 inclined-plane feed pipes, 6 through holes, 7 screen clothes, 8 paddles, 9 discharge doors, 10 batch mixing chambeies, 11 charging apertures, 12 stir main shafts, and 13,13a, 13b, 13c, 13d set bolt, 14 stirring motor end caps, 15 stirring motors, 16 shells, 17 cylinders, 17a through hole, 18 cylinder screen clothes, 19 cylinders are end cap fixedly, 20 detachable fixed blocks, 21 main shafts, 22 motor shafts, 23 main shaft fixed heads, 24 drive motors, 25 loading head fixed heads.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, but embodiment of the present utility model is not limited only to this.
As Figure 1-Figure 4, sifter, comprise frame 1, cylinder 17, drive motors 24 is installed in frame 1, cylinder 17 one end and cylinder fixedly end cap 19 are fixedly connected with through set bolt 13b, the cylinder fixedly lateral surface center of end cap 19 is provided with main shaft 21, the main shaft fixed head 23 that is positioned at main shaft 21 belows is connected with the motor shaft 22 of drive motors 24 after set bolt 13c is fastening with the detachable fixed block 20 that is positioned at main shaft 21 tops, cylinder 17 other ends are provided with cylinder charging aperture 4, cylinder charging aperture 4 is connected with feed system, the built-in dismountable cylinder screen cloth 18 of cylinder 17, the cylindrical sidewall of cylinder 17 is provided with the through hole 17a large compared with cylinder screen cloth 18 sieve apertures, cylinder 17 can rotate around central shaft under drive motors 24 drives, the outer housing 16 that is provided with of cylinder 17, cylinder lower case is loading head 3, described feed system is provided with primary screen apparatus, and the sieve aperture of primary screen apparatus is greater than the mesh of cylinder screen cloth.
As depicted in figs. 1 and 2, the housing outside cylinder 17 is divided into upper shell 16a and lower house 16b, and upper shell 16a and lower house 16b are fixed together by set bolt 13d, and lower house 16b forms loading head 3.Loading head 3 is fixing by the loading head fixed head 25 in frame, and the port of export of loading head 3 is provided with charging tray 2 or directly transmits the conveyer of material.
As shown in Figure 1, feed system of the present utility model comprises charging aperture 11 and batch mixing chamber 10, charging aperture 11 is arranged on the top in batch mixing chamber 10,10 ends of batch mixing chamber, are higher than cylinder charging aperture 4, there is through hole 6 bottom surface, batch mixing chamber, screen cloth 7 is placed on 10 bottom surfaces, batch mixing chamber, screen cloth 7 tops are provided with the paddle 8 being connected with stirring motor 15, stirring main shaft 12 one end is connected with stirring motor 15, one end is connected with paddle 8 through stirring motor end cap 14 center, and stirring motor end cap 14 is fixing by set bolt 13 with batch mixing chamber 10.Batch mixing chamber 10 is connected by inclined-plane feed pipe 5 with cylinder charging aperture 4, and inclined-plane feed pipe 5 is fixed by set bolt 13a with batch mixing chamber 10.Enter material in batch mixing chamber 10 under the stirring of paddle 8, stirring, the through hole 6 by screen cloth 7 through bottom surface, batch mixing chamber enters cylinder 17 under Action of Gravity Field.In order to strengthen the mixing effect of paddle, can on stirring main shaft, more than one paddle be set.On 10 sidewalls of batch mixing chamber, be provided with can folding discharge door 9, during charging, close discharge door 9, can open if desired discharge door 9 large particulate matter that cannot sieving in batch mixing chamber 10 is discharged.
The utility model sifter is simple in structure, be convenient to clean.Turn on set bolt 13, stirring motor end cap 14 is separated with batch mixing chamber 10, agitating device can be taken out and cleans, and screen cloth 7 can be changed as required.Turn on set bolt 13d upper shell 16a separated with lower house 16b, expose cylinder 17; Turn on set bolt 13c, the detachable fixed block 20 of removal, cylinder fixedly end cap 19 is separated with drive motors 24, and fixedly end cap 19 is separated with cylinder 17 to turn on set bolt 13b cylinder, can cylinder screen cloth 18 be taken out cleaned and changed.
Claims (7)
1. sifter, comprise frame, cylinder, drive motors is installed in frame, it is characterized in that: cylinder one end and cylinder fixedly end cap are connected, cylinder fixedly end cap is connected with drive motors, the cylinder other end is provided with cylinder charging aperture, cylinder charging aperture is connected with feed system, the built-in dismountable cylinder screen cloth of cylinder, the cylindrical sidewall of cylinder is provided with the through hole large compared with cylinder screen mesh, cylinder can rotate around central shaft under drive motors drives, and cylinder is provided with housing outward, and cylinder lower case is loading head; Described feed system is provided with primary screen apparatus, and the sieve aperture of primary screen apparatus is greater than the mesh of cylinder screen cloth.
2. sifter according to claim 1, it is characterized in that: described feed system comprises charging aperture and batch mixing chamber, at the bottom of batch mixing chamber, higher than cylinder charging aperture, there is through hole bottom surface, batch mixing chamber, screen cloth is placed on bottom surface, batch mixing chamber, and screen cloth top is provided with the paddle being connected with motor; Batch mixing chamber is connected by inclined-plane feed pipe with cylinder charging aperture.
3. sifter according to claim 2, is characterized in that: on the sidewall of batch mixing chamber, be provided with can folding discharge door.
4. sifter according to claim 2, is characterized in that: stir main shaft one end and be connected with stirring motor, one end is connected with paddle through the center of stirring motor end cap.
5. sifter according to claim 4, is characterized in that: on described stirring main shaft, more than one paddle is set.
6. sifter according to claim 1, is characterized in that: the inner surface of loading head is inclined-plane.
7. sifter according to claim 1, is characterized in that: the housing outside cylinder is divided into upper shell and lower house, and upper shell and lower house are fixed together by set bolt, and lower house forms loading head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420146267.7U CN203750844U (en) | 2014-03-28 | 2014-03-28 | Screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420146267.7U CN203750844U (en) | 2014-03-28 | 2014-03-28 | Screening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203750844U true CN203750844U (en) | 2014-08-06 |
Family
ID=51246155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420146267.7U Withdrawn - After Issue CN203750844U (en) | 2014-03-28 | 2014-03-28 | Screening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203750844U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934200A (en) * | 2014-03-28 | 2014-07-23 | 威海出入境检验检疫局检验检疫技术中心 | Screening device |
| CN106235906A (en) * | 2016-08-29 | 2016-12-21 | 贵州省攀峰酒曲有限公司 | A kind of novel rice and flour dispersion machine |
-
2014
- 2014-03-28 CN CN201420146267.7U patent/CN203750844U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934200A (en) * | 2014-03-28 | 2014-07-23 | 威海出入境检验检疫局检验检疫技术中心 | Screening device |
| CN106235906A (en) * | 2016-08-29 | 2016-12-21 | 贵州省攀峰酒曲有限公司 | A kind of novel rice and flour dispersion machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140806 Effective date of abandoning: 20160511 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |