CN210230611U - A novel combination formula sieve that shakes for tobacco screening - Google Patents
A novel combination formula sieve that shakes for tobacco screening Download PDFInfo
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- CN210230611U CN210230611U CN201920934684.0U CN201920934684U CN210230611U CN 210230611 U CN210230611 U CN 210230611U CN 201920934684 U CN201920934684 U CN 201920934684U CN 210230611 U CN210230611 U CN 210230611U
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Abstract
The utility model relates to a novel combined vibrating screen for tobacco screening, which belongs to the field of tobacco screening equipment, and comprises a round hole screen, a screen groove and a woven screen; the circular hole screen is arranged above and below the woven screen and is respectively fixed in the screen groove; the sieve groove is of a three-surface groove body structure; the round hole screen is shorter than the woven screen; the utility model discloses it is not good to traditional individual layer sieve screening effect that shakes, and the offal is easily sneaked into, garrulous cigarette foam sieves the not thorough problem and sneaks into the consumption promotion that leads to the throwing workshop in the finished product tobacco leaf, through increasing the round hole screen cloth to through the rational design of each structure, effectively improved the screening efficiency of tobacco leaf, avoid because of sneaking into the influence that garrulous cigarette foam brought follow-up tobacco leaf manufacturing procedure.
Description
Technical Field
The utility model belongs to tobacco screening equipment field, specific theory relates to a novel combination formula sieve that shakes for tobacco screening.
Background
At present, in the threshing and redrying processing process of tobacco leaves, a screen used by a threshing wire vibrating screen is an industrial stainless steel wire woven screen, and the screen has the advantages of low manufacturing cost and convenience in installation and manufacturing. However, in production, after the tobacco leaves are operated for a period of time every day, as the friction resistance of the woven screen is large, part of the blades which are light, thin and soft and contain stalks are easy to hang on the woven screen, the screen holes are blocked, the screening effect is reduced, the unusable broken tobacco powder which is smaller than 2.36mm in the tobacco leaves is not screened completely and is mixed into the subsequent processing procedure, and the broken tobacco powder enters the procedure of the tobacco curing machine, blocks the mesh belt of the tobacco curing machine and influences the baking quality of the tobacco leaves; meanwhile, the uncleaned broken tobacco powder enters the finished tobacco leaves, and the tobacco yield and tobacco leaf consumption index in the tobacco shred making link are influenced.
Disclosure of Invention
In order to overcome the problem that exists among the background art, the utility model provides a novel combination formula sieve that shakes for tobacco screening shakes to traditional individual layer sieve screening effect is not good, and the offal is easily sneaked into, garrulous cigarette foam sieves incomplete problem, through increasing the round hole screen cloth to through the rational design of each structure, effectively improved the screening efficiency of tobacco leaf, avoid because of sneaking into garrulous cigarette foam and to the influence that follow-up tobacco leaf manufacturing procedure brought.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the novel combined vibrating screen for screening the tobacco comprises a round hole screen, a screen groove and a woven screen; the circular hole screen is arranged above and below the woven screen and is respectively fixed in the screen groove; the sieve groove is of a three-surface groove body structure formed by two side plates and a tail plate in a surrounding mode; the round hole screen is shorter than the woven screen.
Preferably, three edges of the round hole screen, the woven screen and the screen groove are respectively provided with a connecting lug seat which is provided with a bolt hole and is right-angled with the screen, the wall of the screen groove is provided with a bolt hole corresponding to the bolt hole, and the round hole screen and the woven screen are respectively fixed in the screen groove by bolts.
Preferably, the vertical distance between the round hole screen and the woven screen is 240.
Preferably, the aperture of the round-hole screen is phi 30 mm.
The utility model has the advantages that:
1. the utility model discloses an use double-deck screen cloth, the upper strata uses the round hole screen cloth of large aperture, effectively screens out frivolous, soft, contain the stalk blade, prevents effectively that frivolous, soft, contain the stalk blade card solid on the weaving screen cloth in lower floor's small aperture to cause the jam of weaving the screen cloth, and then the poor problem of weaving screen cloth screening effect that leads to.
2. The utility model discloses a two-layer screen cloth structure, upper round hole screen cloth sieve great blade out, and the screen cloth is woven to the lower floor carries out the fine screen to less blade and garrulous end, effectively solves garrulous little tobacco leaf of tobacco leaf screening in-process, cigarette foam clamp in the large fragment, and leads to garrulous cigarette to fail effectively to sieve out and the problem that screening efficiency hangs down.
3. The utility model discloses a structure that upper round hole screen cloth weak point was woven in lower floor, and the upper and lower layer shakes and sieves, and half section tobacco leaf material thickness is great in the front, shakes on the upper strata and sieves the tobacco leaf and effectively spread out in transportation process, and the length of round hole screen cloth last time just is greater than the running length that effectively spreads out in the tobacco leaf transportation process, makes the tobacco leaf thoroughly spread out and effectively sieve, further promotes qualified tobacco leaf purity. The blade structure of the vibrating screen is stable and improved for a long time. The foam content of the tobacco leaves is reduced from 0.5 percent of the original foam content to 0.2 to 0.3 percent of the existing foam content.
4. The utility model discloses a round hole screen cloth and the connected mode of weaving screen cloth and sieve groove make each structure be an independent unit, can the dismouting respectively, each other do not influence, are more convenient for carry out the change of screen cloth, adjustment according to the actual demand.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention;
fig. 2 is a top view of the present invention;
in the figure, 1-round hole screen, 2-screen groove, 3-weaving screen, 4-connecting lug seat, 5-side plate and 6-tail plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.
As shown in fig. 1-2, the novel combined vibrating screen for screening tobacco comprises a round hole screen mesh 1, a screen groove 2 and a woven screen mesh 3; the round hole screen cloth 1 and the two edges of weaving screen cloth 4 and sieve groove contact are equipped with respectively rather than being right angle's connecting lug seat 4, have seted up the bolt hole on the connecting lug seat 4. The screen groove 2 is a three-surface groove body structure enclosed by two side plates 5 and a tail plate 6. The groove wall of the side plate 5 is provided with a bolt hole corresponding to the bolt hole arranged on the connecting lug seat 4. The round hole screen mesh 1 is arranged above the woven screen mesh 3 and fixed on the side plate 5 of the screen groove by bolts respectively, the vertical distance between the round hole screen mesh 1 and the woven screen mesh 3 is 240mm, and the vertical distance can meet the tobacco leaf conveying and screening requirements under the normal production flow through tests, so that the tobacco leaf accumulation between the round hole screen mesh 1 and the woven screen mesh 3 can be effectively avoided, and the normal screening and conveying of the tobacco leaves are ensured; the upper strata uses the round hole screen cloth 1 of large aperture, effectively screens out frivolous, soft, contain stalk leaf and great blade, prevents effectively that frivolous, soft, contain the stalk leaf to weave screen cloth 3 on the lower floor and block admittedly to cause the sieve mesh of weaving screen cloth 3 to block, and then the lower floor that leads to weaves the poor problem of screen cloth 3 screening effect.
Round hole screen cloth 1 weak point is woven screen cloth 3 (like figure 1), and the tobacco leaf gets into and can appear piling up when shaking the sieve, and thickness is great, is unfavorable for the garrulous end screening clean, and the tobacco leaf effectively spreads out after one section distance of operation, and screening efficiency is higher, for guaranteeing the abundant screening of front end tobacco leaf, designs for round hole screen cloth 1 weak point is woven screen cloth 3. As a preferred technical scheme, the tail end of the circular hole screen 1 is designed to be in an S-shaped structure along the tobacco conveying direction, so that the problem that tobacco leaves which are not screened on the circular hole screen 1 completely fall off from the screen to cause accumulation of the tobacco leaves on the woven screen 3 when the circular hole screen 1 cannot effectively screen due to reasons such as equipment failure is effectively prevented, and the S-shaped tail end of the circular hole screen 1 plays a certain dispersing role in scattering the tobacco leaves.
The round hole screen cloth 1 and the woven screen cloth 3 are independent units respectively with the screen groove, can be disassembled and assembled respectively, do not influence each other, and can be changed and adjusted according to actual demands.
The screen groove is of a three-side groove body structure and comprises a tail plate 6 and 2 side plates 5, wherein the round-hole screen end of each side plate is a tobacco leaf inlet section, and the other section is a tobacco leaf outlet end; tobacco leaves fall into the circular hole screen mesh 1, and the qualified tobacco leaves after being screened are sent out from the tobacco leaf outlet end through the woven screen mesh 3.
As a preferred technical scheme, the aperture of the round hole screen 1 is phi 30, and the aperture is designed according to the size of tobacco leaves to be screened, so that the screening flow is not influenced while light, thin, soft and stem-containing leaves and large tobacco leaves are screened.
After practical use, the utility model is put into use, under the same tobacco leaf screening treatment capacity, the proportion of the broken tobacco leaves with the size of less than 2.36mm in the tobacco leaves is reduced to 0.2% -0.3% interval fluctuation from the original 0.5%, and the screening efficiency fluctuates to some extent according to the different produced tobacco leaves.
Finally, it is stated that the above preferred embodiments are only intended to illustrate the technical solution of the invention and not to limit it, and although the invention has been described in detail by means of the above preferred embodiments, the skilled person will understand that it is possible to vary in combination and in mesh size according to the production process, without departing from the scope of the invention as defined in the claims.
Claims (4)
1. A novel combination formula sieve that shakes for tobacco screening which characterized in that: the novel combined vibrating screen for screening the tobacco comprises a round hole screen, a screen groove and a woven screen; the circular hole screen is arranged above and below the woven screen and is respectively fixed in the screen groove; the sieve groove is of a three-surface groove body structure formed by two side plates and a tail plate in a surrounding mode; the round hole screen is shorter than the woven screen.
2. The novel combined vibrating screen for screening tobacco as claimed in claim 1, wherein: the three edges of the round hole screen and the three edges of the woven screen and the screen groove are respectively provided with a connecting lug seat with a bolt hole which is right-angled with the screen, the wall of the screen groove is provided with a bolt hole corresponding to the bolt hole, and the round hole screen and the woven screen are respectively fixed in the screen groove by bolts.
3. The novel combined vibrating screen for screening tobacco as claimed in claim 1, wherein: the vertical distance between the round-hole screen and the woven screen is 240 mm.
4. The novel combined vibrating screen for screening tobacco as claimed in claim 1, wherein: the aperture of the round-hole screen is phi 30.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920934684.0U CN210230611U (en) | 2019-06-20 | 2019-06-20 | A novel combination formula sieve that shakes for tobacco screening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920934684.0U CN210230611U (en) | 2019-06-20 | 2019-06-20 | A novel combination formula sieve that shakes for tobacco screening |
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| Publication Number | Publication Date |
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| CN210230611U true CN210230611U (en) | 2020-04-03 |
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| CN201920934684.0U Active CN210230611U (en) | 2019-06-20 | 2019-06-20 | A novel combination formula sieve that shakes for tobacco screening |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111743195A (en) * | 2020-06-30 | 2020-10-09 | 贵州中烟工业有限责任公司 | Tobacco leaf screening method |
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2019
- 2019-06-20 CN CN201920934684.0U patent/CN210230611U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111743195A (en) * | 2020-06-30 | 2020-10-09 | 贵州中烟工业有限责任公司 | Tobacco leaf screening method |
| CN111743195B (en) * | 2020-06-30 | 2021-12-24 | 贵州中烟工业有限责任公司 | Tobacco leaf screening method |
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