CN220048878U - Tobacco flake roller screen - Google Patents
Tobacco flake roller screen Download PDFInfo
- Publication number
- CN220048878U CN220048878U CN202223491331.9U CN202223491331U CN220048878U CN 220048878 U CN220048878 U CN 220048878U CN 202223491331 U CN202223491331 U CN 202223491331U CN 220048878 U CN220048878 U CN 220048878U
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- roller
- screening
- teeth
- shaft
- frame
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- 235000002637 Nicotiana tabacum Nutrition 0.000 title claims abstract description 66
- 244000061176 Nicotiana tabacum Species 0.000 title description 2
- 238000012216 screening Methods 0.000 claims abstract description 84
- 241000208125 Nicotiana Species 0.000 claims abstract description 65
- 230000001681 protective effect Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000010924 continuous production Methods 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000013072 incoming material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Abstract
The utility model provides a tobacco flake roller screen, which comprises a frame and a driving mechanism arranged on the frame, and is characterized in that a plurality of screening rollers which are connected with the driving mechanism and are arranged in parallel at intervals are arranged on the frame, a plurality of roller teeth are sleeved on a roller shaft of each screening roller at intervals, the roller teeth on two adjacent screening rollers are arranged in a staggered mode, one end of a conveying surface formed by the plurality of screening rollers is set as an input end, and the other end of the conveying surface is set as an output end. The device has the characteristics of large screening flow, high screening efficiency, zero blocking realization and the like, and can be flexibly adjusted according to actual production requirements, so that ultra-large sheets and large sheets can be accurately screened in a high-efficiency and controllable manner, and the actual flow production requirements of threshing lines are well met. Meanwhile, the threshing device can jointly operate with threshing equipment on the existing threshing and redrying line, so that the automatic and continuous production of threshing and redrying is ensured, and the production efficiency is improved.
Description
Technical Field
The utility model relates to a screening device, in particular to a tobacco flake roller screen, and belongs to the technical field of tobacco machinery design and manufacture.
Background
The size of the tobacco flakes subjected to threshing and redrying processing is an important index for measuring the technical level of threshing and redrying processing and is also a key factor for guaranteeing the quality of tobacco shreds of cigarettes, so that how to control the size and uniformity of the tobacco flakes is of great significance in improving the quality stability of cigarette products. Of the tobacco flake sizes after threshing and redrying, the large and medium flake adding rate (greater than 1/2 inch tobacco flakes) is generally 83% -88%, the large flake rate (greater than 1 inch tobacco flakes) is generally 50% -55%, and the tobacco flake size ratio required by many cigarette factories is as follows: the mass-to-middle-piece ratio is still 83% -88%, but the mass-to-middle-piece ratio is reduced to below 35%, namely 'control of mass-to-middle-piece', namely, the tobacco pieces are required to be small and uniform. At present, the means for solving the problem of 'controlling large and remaining in' in the tobacco industry are generally as follows: and (3) adopting a vibration screening machine or a drum screening machine to screen the oversized and large tobacco flakes, and carrying out miniaturization treatment again. The vibration screening machine separates out tobacco flakes with different sizes in the vibration conveying process by utilizing a plurality of layers of screens with different apertures, but in practical application, the flow rate of the tobacco incoming materials is large and can generally reach more than 5000kg/h, so that tobacco leaves are piled up on the vibration screen, the meshes of the screens are blocked, and the screening capability is lost. While the drum screening machine can separate large-size blades, secondary breakage of tobacco flakes is easily caused in the rolling process, the utilization rate of tobacco leaves is reduced, and the economic benefit of redrying enterprises is affected. There is therefore a need for improvements in the art.
Disclosure of Invention
The utility model provides a tobacco flake roller screen, which aims to solve the problems of low screening efficiency, high secondary crushing rate and the like of a large-flow tobacco flake when a tobacco flake is screened by an existing vibrating screening machine or a conventional drum screening machine.
The utility model is completed by the following technical scheme: the tobacco flake roller screen comprises a frame and a driving mechanism arranged on the frame, and is characterized in that a plurality of screening rollers which are connected with the driving mechanism and are arranged at intervals are arranged on the frame, a plurality of roller teeth are sleeved on a roller shaft of each screening roller at intervals, the roller teeth on every two adjacent screening rollers are staggered, one end of a conveying surface formed by the screening rollers is set as an input end, the other end of the conveying surface is set as an output end, tobacco flakes are screened through the roller teeth which are staggered among the screening rollers, namely, tobacco flakes with qualified sizes are sent out after falling from staggered roller tooth gaps, and tobacco flakes with unqualified sizes are returned to continue threshing after entering the output end along with a conveying surface.
And a conveying belt is arranged below the screening rollers and is used for conveying the tobacco flakes with qualified sizes.
The frame is followed to a plurality of screening roller and is parallel and the interval sets up in proper order from left to right, constitutes the horizontal conveying face, and the front and back both ends of every screening roller axle rotate with the corresponding belt seat bearing in the frame respectively and join in marriage and be connected, and the actuating mechanism who links to each other with a plurality of screening rollers includes: the driven sprocket of all roller front ends is located to the cover, connects driven sprocket's driving chain, and the front end of one of them roller still overlaps and is equipped with driving sprocket, and driving sprocket is connected with the epaxial sprocket of power machine through main drive chain to under the power machine drive, through sprocket, main drive chain, driving sprocket, driving chain, drive driven sprocket and a plurality of screening roller rotate according to the same direction in the frame, thereby make the tobacco flake remove on the conveying surface that a plurality of screening rollers constitute, make the qualified tobacco flake of size follow the roll tooth gap whereabouts of staggering to the conveyer belt and send out, accomplish the screening of large-traffic tobacco flake.
The roller teeth are arranged into polygonal sheets or/and polygonal sheets, the center of each roller tooth is provided with a shaft hole matched with a roller shaft, a plurality of roller teeth on each roller shaft are uniformly and alternately arranged along one end of the roller shaft towards the other end, and the roller teeth on two adjacent screening rollers are staggered from each other front to back, so that gaps for downwards passing tobacco sheets are formed between the roller teeth, and screening of the tobacco sheets is realized, namely: the tobacco flakes conforming to the size fall from the gap between the screening roller and the roller teeth, and the tobacco flakes not conforming to the size continue to move along with the conveying surface on the screening roller and finally are sent out from the output end.
The roller teeth are provided with 3-8 edge-shaped sheets or/and 3-8 angle-shaped sheets.
The distance between the rollers of the screening rollers is adjustable, and the screening rollers are specifically as follows: the belt seat bearings at the two ends of the roll shafts of the screening rolls are respectively arranged on the corresponding waist holes in the frame, so that the positions of the roll shafts and the belt seat bearings at the two ends of the roll shafts on the waist holes can be adjusted according to the requirements, the distance adjustment between the rolls is realized, and the screening requirements of qualified tobacco flake sizes are met.
The distance between the roller teeth on each roller shaft is adjustable, and the roller teeth are specifically as follows: the roller teeth on each roller shaft are provided with the shaft sleeves, and the shaft sleeves are arranged into a plurality of shaft sleeves with different lengths, so that the shaft sleeves with corresponding lengths can be replaced according to actual needs, and the distance between the roller teeth can be adjusted, thereby meeting the screening requirements of qualified tobacco flake sizes.
The shapes of the roller teeth on all the roller shafts of the screening rollers are polygonal sheets or polygonal sheets.
Among the plurality of screening rollers, the roller tooth shapes on two adjacent roller shafts are different, namely the roller tooth shape of one roller shaft is a polygonal sheet, and the roller tooth shape of the other roller shaft is a polygonal sheet, so that the plurality of screening rollers are staggered to meet the screening requirement of qualified tobacco sheet sizes.
The machine frame is provided with a protective cover covering a plurality of screening rollers, the top of one side of the protective cover, which is the same as the input end of the conveying surface, is provided with a feed inlet, and the bottom of one side of the protective cover, which is the same as the output end of the conveying surface, is provided with a discharge outlet so as to provide protection for tobacco flakes in the screening process through the protective cover.
The conveyor belt is a conventional belt conveyor that is positioned below a number of screening rollers to pass the acceptable tobacco flakes through the acceptable tobacco flake conveyor belt to the next process.
The utility model has the following advantages and effects: by adopting the scheme, the device has the characteristics of large screening flow, high screening efficiency, zero blockage realization and the like, and can be flexibly adjusted according to actual production requirements, so that ultra-large sheets and large sheets can be accurately screened in a high-efficiency and controllable manner, and the actual flow production requirement of a threshing line is well met. Meanwhile, the threshing device can jointly operate with threshing equipment on the existing threshing and redrying line, so that the automatic and continuous production of threshing and redrying is ensured, and the production efficiency is improved. Is an ideal screening device.
Drawings
FIG. 1 is a block diagram of the present utility model;
FIG. 2 is a diagram of the screen roller structure of the present utility model;
FIG. 3 is another block diagram of a screen roller of the present utility model;
FIG. 4 is another block diagram of a screen roller of the present utility model.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
The tobacco flake roller screen provided by the utility model comprises a frame 1, a driving mechanism 10 arranged on the frame 1, a plurality of screening rollers 3 which are connected with the driving mechanism 10 and are arranged in parallel at intervals, a plurality of roller teeth 4 are sleeved on a roller shaft 15 of each screening roller 3 at intervals, the roller teeth 4 on every two adjacent screening rollers 3 are staggered, one end of a conveying surface formed by the screening rollers 3 is set as an input end, the other end of the conveying surface is set as an output end, and a conveying belt 2 is arranged below the screening rollers 3 so as to screen tobacco flakes through the roller teeth 4 staggered among the screening rollers 3, namely, the tobacco flakes with qualified sizes fall onto the conveying belt 2 from gaps of the staggered roller teeth 4 and are sent out, and the tobacco flakes with unqualified sizes return to continue threshing after entering the output end along with the conveying surface;
the screening rollers 3 are sequentially parallel and spaced from left to right along the frame 1 to form a horizontal conveying surface, the front end and the rear end of a roller shaft 15 of each screening roller 3 are respectively and rotatably connected with corresponding belt seat bearings on the frame 1, and a driving mechanism 10 connected with the screening rollers 3 comprises: the driven chain wheels 13 are sleeved at the front ends of all the roller shafts 15, the driving chain 7 is connected with the driven chain wheels 13, the front end of one roller shaft 15 is sleeved with the driving chain wheel, the driving chain wheel is connected with the chain wheel on the main shaft of the power machine 11 through the main driving chain 12, so that the driven chain wheels 13 and the screening rollers 3 are driven to rotate on the frame 1 in the same direction through the chain wheel, the main driving chain 12, the driving chain wheel and the driving chain 17 under the driving of the power machine 11, and therefore tobacco sheets move on a conveying surface formed by the screening rollers 3, and meanwhile, the tobacco sheets with qualified sizes are enabled to fall onto the conveying belt 2 from gaps of the staggered roller teeth 4 to be sent out, and screening of the tobacco sheets with large flow is completed;
the roller teeth 4 are arranged into polygonal sheets 8 or 9, the center of each roller tooth 4 is provided with a shaft hole matched with a roller shaft 15, a plurality of roller teeth 4 on each roller shaft 15 are uniformly and alternately arranged along one end of the roller shaft 15 towards the other end, and the roller teeth 4 on two adjacent screening rollers 3 are staggered in front and back directions, so that gaps for downwards passing tobacco sheets are formed between the roller teeth 4, and tobacco sheet screening is realized, namely: the tobacco flakes conforming to the size fall from the gap between the screening roller 3 and the roller teeth 4, and the tobacco flakes not conforming to the size continue to move along with the conveying surface on the screening roller 3 and are finally sent out from the output end;
the distance between the rollers of the screening rollers 3 is adjustable, specifically, the roller shaft 15 and the belt seat bearings at the two ends of the roller shaft 15 are horizontally adjusted through the waist holes corresponding to the belt seat bearings arranged on the frame 1, so that the distance between the rollers is adjusted;
the distance between the roller teeth 4 and the roller teeth 4 on each roller shaft 15 is adjustable, and is specifically finished through shaft sleeves 16 arranged between every two roller teeth 4, the shaft sleeves 16 are arranged into a plurality of shaft sleeves 16 with different lengths, and the distance between the roller teeth 4 and the roller teeth 4 can be adjusted by replacing the shaft sleeves 16 with the corresponding lengths according to actual needs, so that the size screening requirement of qualified tobacco flakes is met;
the shape of the roller teeth 4 on all the roller shafts 15 of the screening rollers 3 is a polygonal sheet 8 as shown in fig. 4, or is a polygonal sheet 9 as shown in fig. 3;
in the screening rollers 3, the shapes of the roller teeth 4 on two adjacent roller shafts 15 are different, namely, the roller teeth 4 of one roller shaft 15 are polygonal sheets 8, the roller teeth 4 of the other roller shaft 15 are polygonal sheets 9, and the two roller shafts are staggered in such a way as shown in fig. 2 so as to meet the screening requirement of qualified tobacco flake sizes;
the frame 1 is provided with a protective cover 6 covering a plurality of screening rollers 3, the top of the same side of the protective cover 6 as the input end of the conveying surface is provided with a feed inlet 5, the bottom of the same side as the output end of the conveying surface is provided with a discharge outlet 14, so that the protective cover 6 can provide protection for tobacco flakes in the screening process;
the conveyor belt 2 is a conventional belt conveyor which is positioned below a number of screening rollers 3 in order to pass acceptable tobacco flakes through the conveyor belt 2 to the next process.
Claims (10)
1. The tobacco flake roller screen comprises a frame and a driving mechanism arranged on the frame, and is characterized in that a plurality of screening rollers which are connected with the driving mechanism and are arranged in parallel at intervals are arranged on the frame, a plurality of roller teeth are sleeved on a roller shaft of each screening roller at intervals, the roller teeth on two adjacent screening rollers are staggered mutually, one end of a conveying surface formed by the screening rollers is set as an input end, and the other end of the conveying surface is set as an output end.
2. The tobacco flake roller screen of claim 1, wherein a conveyor belt is disposed below the plurality of screening rollers.
3. The tobacco flake roller screen of claim 1, wherein the plurality of screening rollers are sequentially parallel and spaced along the frame from left to right to form a horizontal conveying surface, the front end and the rear end of each screening roller shaft are respectively and rotatably connected with corresponding belt seat bearings on the frame, and the driving mechanism connected with the plurality of screening rollers comprises: the front end of one roll shaft is also sleeved with a driving sprocket which is connected with a sprocket on the main shaft of the power machine through a main transmission chain.
4. The tobacco flake roller screen according to claim 1, wherein the roller teeth are polygonal flakes or/and polygonal flakes, shaft holes matched with the roller shafts are formed in the center of each roller tooth, a plurality of roller teeth on each roller shaft are uniformly and alternately arranged along one end of the roller shaft towards the other end, and the roller teeth on two adjacent screening rollers are staggered in front of and behind each other, so that gaps for downward passing of tobacco flakes are formed between the roller teeth.
5. The tobacco flake roller screen of claim 4, wherein the teeth are configured as 3-8 sided sheets, or 3-8 angular sheets.
6. The tobacco flake roller screen of claim 1, wherein the belt seat bearings at both ends of the roller shafts of the plurality of screening rollers are respectively mounted on corresponding waist holes on the frame.
7. The tobacco flake roller screen of claim 1, wherein a shaft sleeve is arranged between the roller teeth on the roller shaft of each screening roller, and the shaft sleeve is provided with a plurality of roller teeth with different lengths.
8. The tobacco flake roller screen of claim 1, wherein the teeth on all of the roller shafts of the plurality of screening rollers are polygonal shaped flakes or polygonal shaped flakes.
9. The tobacco flake roller screen of claim 1, wherein the shapes of the teeth on two adjacent roller shafts are different in the plurality of screening rollers, namely, the shape of the teeth of one roller shaft is a polygonal sheet, and the shape of the teeth of the other roller shaft is a polygonal sheet, so that the teeth are staggered.
10. The tobacco flake roller screen of claim 1, wherein the frame is provided with a protective cover covering the screening rollers, a feed inlet is arranged at the top of the same side of the protective cover as the input end of the conveying surface, and a discharge outlet is arranged at the bottom of the same side of the protective cover as the output end of the conveying surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223491331.9U CN220048878U (en) | 2022-12-27 | 2022-12-27 | Tobacco flake roller screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223491331.9U CN220048878U (en) | 2022-12-27 | 2022-12-27 | Tobacco flake roller screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220048878U true CN220048878U (en) | 2023-11-21 |
Family
ID=88787532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223491331.9U Active CN220048878U (en) | 2022-12-27 | 2022-12-27 | Tobacco flake roller screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220048878U (en) |
-
2022
- 2022-12-27 CN CN202223491331.9U patent/CN220048878U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |