CN103910212A - Quantitative broken tobacco flake adding device - Google Patents
Quantitative broken tobacco flake adding device Download PDFInfo
- Publication number
- CN103910212A CN103910212A CN201310004593.4A CN201310004593A CN103910212A CN 103910212 A CN103910212 A CN 103910212A CN 201310004593 A CN201310004593 A CN 201310004593A CN 103910212 A CN103910212 A CN 103910212A
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- CN
- China
- Prior art keywords
- tobacco
- coupler
- tobacco cut
- screw shaft
- barrel
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Abstract
The invention relates to a quantitative broken tobacco flake adding device, belongs to the field of cigarette processing devices and particularly relates to a device used for adding broken tobacco flakes on a cut tobacco making conveying line quantitatively at even speed. A feeding port in the upper portion of a spiral conveyor is connected with a trapezoid hopper, a discharging port is connected onto the cut tobacco making conveying line through a bend, the inclination angle of the inner wall of the trapezoid hopper is larger than the glide critical angle of the broken tobacco flakes, and the screw pitch and the spiral nominal diameter of a spiral shaft of the spiral conveyor and the rotating speed of a speed reducing motor are matched with the average density of the broken tobacco flake, the tobacco scrape filling coefficient and the adding quantity of the broken tobacco flakes in unit time. The device is simple in structure and capable of adding the broken tobacco flakes on the cut tobacco making conveying line quantitatively at even speed, the broken tobacco flakes are combined with other cut tobacco through the cut tobacco making line, content of local broken tobacco flakes in the mixed cut tobacco is reduced, the mixed cut tobacco is conveyed to a cigarette unit to reduce the dust content of the cut tobacco in cigarettes, and the cigarette yield is improved.
Description
Technical field
The invention belongs to Cigarette processing apparatus field, relate in particular to tobacco cut average rate and be quantitatively added on the device on throwing travel line, the present invention simultaneously is also applicable to light industry and machinery field the equal and quantitative that adds granule materials is added.
Background technology
At tobacco business, tobacco leaf enters technology for making tobacco threds through redrying processing, each operation point at technology for making tobacco threds all sifts out a certain amount of tobacco cut, this smoked sheet is more tiny, approximately two or three millimeter of size is square, except mainly comprising thin smoked sheet, it also comprises some broken offals, and in tobacco business, also custom is referred to as " sesame-seed slice ".By technological requirement, these tobacco cuts will add chopping to and export the groove that shakes, and then, mix other pipe tobacco be transported to cigarette unit by scrap prodn. line.In the past, this operation manually completes always, and only, from improving cigarette quality, the amount that this tobacco cut adds is the smaller the better, or does not add better, but it is useful raw material.Due to artificial interpolation, often make addition inhomogeneous, very easily cause and in the short time, add too much tobacco cut, cause the fluctuation of next procedure moisture content, local pipe tobacco is exceeded standard containing last rate, produce nonconformity cigarette, so the adding method of tobacco cut is crucial to the quality influence of cigarette.In a word, add equably tobacco cut, i.e. per minute interpolation per second is how many, is manually not easy to have controlled.So tobacco processing enterprise is studying how to come and is solving this technical problem preferably always.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of device of quantitative interpolation tobacco cut, it is simple in structure, can realize tobacco cut average rate and be added on quantitatively scrap prodn. line and carry, mix with other pipe tobacco by scrap prodn. line, reduce local tobacco cut content in pipe blend, be transported to cigarette unit and contain last rate with the pipe tobacco reducing in cigarette, improve cigarette qualification rate.
The present invention solves the technical scheme that its technical matters takes: conveyor screw upper feeding mouth connects trapezoidal hopper, discharging opening is connected on throwing travel line by elbow, the inwall leaning angle of trapezoidal hopper is greater than the downslide critical angle of tobacco cut, and pitch, spiral nominal diameter and the reducing motor rotating speed on the screw shaft of conveyor screw mates with the coefficient of admission of the average density of tobacco cut, tobacco chip and the addition of interior tobacco cut of unit time.
The screw shaft of described conveyor screw connects reducing motor by coupler, driven half a coupler is installed on screw shaft, uniform 4 unequal slots of two terminal circle arc dia on driven half a coupler, the main shaft of reducing motor is installed initiatively half a coupler, initiatively corresponding uniform 4 taper pin-holes on half a coupler, and the coupling bolt of taper is installed, the taper pin that driven half a coupler on screw shaft is aimed on this coupling bolt by its 4 uniform slots coordinates, and realizes the connection of two half a couplers.
The exit end face of described screw shaft is designed with tapped bore, and the conveying barrel end face of screw shaft and reducing motor coupling end is sealed by two semicircle shape barrel closing plates.
The inwall of described trapezoidal hopper adopts corrosion-resistant steel, 43 ° of critical angles when its leaning angle is greater than smoked sheet and glides on this material surface.
The assembling frame of described hopper base is rectangle, and trapezoidal hopper is placed in hopper base, in length and width direction and stay 1～2
mmgap.
Between the barrel diameter of bore of described conveyor screw and screw shaft external diameter, leave 2.5～3.5
mmgap, stays 2～3 between the discharging opening external diameter of barrel and elbow endoporus
mmgap.
This device is installed on the throwing travel line of production of cigarettes, and the trapezoidal hopper of this device is arranged on hopper base, and barrel is installed in the below of trapezoidal hopper, and barrel is supported by motor support plate and barrel support plate, and screw shaft is installed in barrel; Critical angle while downslide in hopper material by obtaining the average density of tobacco cut and definite tobacco cut, thus the physical dimension of trapezoidal hopper designed; By pitch and motor speed on selected spiral nominal diameter, screw shaft, meet the output of technical requirements by JB/T7679-2008 standard verification; Driven half a coupler is installed by keyway in screw shaft one end, and by screw-driving, on reducing motor, by keyway, initiatively half a coupler is installed, the coupling bolt of taper is initiatively installed on half a coupler, the taper pin section that driven half a coupler on screw shaft is aimed on coupling bolt by its 4 the unequal slots of two uniform arc diameters coordinates, after rotating to an angle, realize the connection of active half a coupler and driven half a coupler.Adopt threaded T-shaped dismantling devices, can be screwed in the tapped bore of screw shaft exit end face, quick-detachment, driven half a coupler and screw shaft are installed.Semi-circular closing plate is installed in one end of barrel, the other end, and based on safety and consideration attractive in appearance, the elbow that design can be for convenience detach.
Concrete technical scheme of the present invention is:
1. obtain by experiment the average density of tobacco cut
ρ , according to once adding total amount
w calculate the minimum volume of hopper
v=w/ ρ .Be determined by experiment tobacco cut and use the critical angle while gliding on material at hopper
ψ , according to this minimum volume
v and critical angle
ψ design friction angle
α with trapezoidal hopper oad, make its physical dimension meet this technical requirements.
2. design the hopper base of four pin, trapezoidal hopper is placed in hopper base, in length and width direction and stay 1～2
mmgap, the height of hopper base is consistent to the upper base distance of trapezoidal hopper with barrel frame bottom.
3. design screw shaft, according to the average density of tobacco cut
ρ , addition in the unit time, the pitch on selected screw shaft
s, spiral nominal diameter
dand reducing motor rotating speed
n, according to JB/T7679-2008 standard to the pitch on selected screw shaft, spiral nominal diameter and reducing motor rotating speed, by the coefficient of admission of the given tobacco chip of this standard
?, verification operational throughput
i m , i.e. the addition of tobacco cut in the unit time, and meet technical requirements.
4. on the axle of screw shaft one end, design keyway, for coordinating driven half a coupler, on other end axle, design tapped bore, screw in for screw shaft dismantling devices.
5. design driven half a coupler, and be arranged on screw shaft by keyway, and with screw-driving, design 4 slots on driven half a coupler, two arc diameters on each slot are unequal, and are distributed on the end face circle of driven half a coupler.
6. initiatively half a coupler of design designs 4 taper holes on active half a coupler, consistent with on coupling bolt of its tapering and pipe reducer size, and be distributed on from the end face of active half a coupler is justified.
7. design coupling bolt, for linking initiatively half a coupler and driven half a coupler, one end is designed with screw thread, for tightening initiatively half a coupler; Middle part is designed to taper pin, and its tapering is consistent with 4 taper holes on active half a coupler with pipe reducer size; The taper pin that other end design is 90 °, the diameter at butt end of taper pin is consistent with the great circle arc diameter on the each slot of driven half a coupler, stays approximately 1
mmgap, be beneficial to driven half a coupler and screw shaft finding accurately of active half a coupler located and installed, and the slot on driven half a coupler can rotate on coupling bolt, and the small arc-shaped diameter of slot and the shaft diameter of taper pin are consistent; Bowlder outside the small arc-shaped of slot touches the axle of taper pin of coupling bolt, utilizes shaft shoulder location, realizes driven half a coupler, screw shaft and the initiatively link of half a coupler.
8. design barrel, cut a square groove, the length and width size of square groove and the geometric identity of going to the bottom of trapezoidal hopper in the appropriate location on barrel surface; Designing a centre has the barrel cover plate of through hole, the uniform tapped through hole of surrounding, and this barrel bridge welding is connected on barrel end; Barrel diameter of bore is consistent with screw shaft external diameter, stays 2.5～3.5
mmgap, meets JB/T7679-2008 regulation.
9. design semi-circular barrel closing plate, for sealing barrel, on closing plate, fill seal ring, the tapped bore correspondence on hole design and barrel cover plate on closing plate, and use bolt tightening.
10. design elbow, its endoporus is coupled on the discharging opening of barrel, for convenience of installing, stays gap 2～3
mm.
(11) design motor support plate and barrel support plate, for reducing motor being installed and being supported barrel.
(12) design T-shaped screw shaft dismantling devices, for Assembly &Disassembly screw shaft.
The invention has the beneficial effects as follows, in production of cigarettes field, can realize tobacco cut average rate and be added on quantitatively scrap prodn. line and carry upper other pipe tobacco that mixes, the pipe tobacco reducing in cigarette contains last rate, improves cigarette qualification rate.Because trapezoidal bucket capacity designs by the average density of tobacco cut
ρ with interpolation total amount
wcalculate minimum volume
v=w/ ρ, according to this minimum volume
vwith this critical angle
ψdesign friction angle
α, therefore its physical dimension meets this technical requirements; Due to according to the average density of tobacco cut
ρ , addition in the unit time, the pitch on selected screw shaft
s, spiral nominal diameter
dand reducing motor rotating speed
n, and pass through JB/T7679-2008 standard to selected spiral nominal diameter
d, pitch on screw shaft
sand reducing motor rotating speed
nmake output
i m verification, and meet the technical requirements of tobacco cut addition in the unit time, therefore, the scientific theory of the method is reliable, and device can be realized tobacco cut average rate and add quantitatively; Because the coupling bolt that is arranged on the active half a coupler on motor is designed with the taper pin of 90 °, on the driven half a coupler of installing on screw shaft, be designed with again two unequal slots of arc diameter, therefore, the centering of driven half a coupler and active half a coupler and connection are theoretical reliably correct; Owing to having designed screw shaft dismantling devices, therefore, the convenient disassembly of screw shaft and driven half a coupler is quick again; Because the design employing of barrel closing plate is semi-circular, therefore, the installation of barrel closing plate, clean, convenient disassembly.So this invention and device have that new structure is simple, dismounting screw shaft is convenient, add tobacco cut average rate and the feature such as quantitatively accurate, can be widely used in the fiber tow production of China's tobacco manufacture field.
Brief description of the drawings
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is mounting structure schematic diagram of the present invention.
Fig. 2 is screw shaft of the present invention and coupler structure schematic diagram.
Fig. 3 is the driven half a coupler structural representation of the C-C section in Fig. 2 of the present invention.
Fig. 4 is the integral coupling mounting structure schematic diagram of the A-A section in Fig. 2 of the present invention.
Fig. 5 is barrel sealing plate structure schematic diagram of the present invention.
In figure: trapezoidal hopper 1, hopper base 2, reducing motor 3, barrel closing plate 4, motor support plate 5, barrel 6, barrel support plate 7, screw shaft 8, hopper outlet 9, assembling frame 10, elbow 11, active half a coupler 12, driven half a coupler 13, coupling bolt 14, T-shaped dismantling devices 15, flat key 16,17 slots, screw 18, nut 19, seal ring 20.
Detailed description of the invention
Describe the present invention in detail below in conjunction with accompanying drawing.
Referring to each figure: trapezoidal hopper 1 is arranged in the assembling frame 10 of hopper base 2 upper ends of four pin, and trapezoidal hopper 1 is placed in the interior assembling frame 10 of hopper base 2, stays 1～2 in length and width direction
mmgap.Barrel 6 is installed in the below of trapezoidal hopper 1, barrel 6 completes support by motor support plate 5 and barrel support plate 7, reducing motor 3 is arranged on motor support plate 5, and fix with bolt, on the transmission shaft of reducing motor 3, by flat key, initiatively half a coupler 12 is installed, four coupling bolts 14 are installed on active half a coupler 12, and are tightened (referring to Fig. 4) with four corresponding hexagonal nuts 19.The inner-wall material of trapezoidal hopper 1 adopts corrosion-resistant steel, and its leaning angle should be greater than 43 °, is more conducive to tobacco cut and glides smoothly.
Driven half a coupler 13 is arranged on screw shaft 8 by flat key 16, and tighten with screw 18, again this screw shaft 8 is passed to barrel 6, utilize the slot 17 on driven half a coupler 13 to aim at the coupling bolt 14 on active half a coupler 12, utilize its taper pin section find location accurately and install, slot 17 on driven half a coupler 13 on screw shaft 8 is rotated on coupling bolt 14, bowlder outside the small arc-shaped of slot 17 touches the axle of taper pin section of coupling bolt 14, utilize shaft shoulder location, realize driven half a coupler 13 and screw shaft 8 and being connected of half a coupler 12 initiatively.It is installed principle and sees Fig. 2,3 and 4.
Between barrel 6 diameter of bores of conveyor screw and screw shaft 8 external diameters, leave 2.5～3.5
mmgap, stays 2～3 between the discharging opening external diameter of barrel 6 and elbow 11 endoporus
mmgap.On semi-circular barrel closing plate 4, seal ring 20(is installed referring to Fig. 5), it is arranged on by bolt on the cover plate of barrel 6 ends, in use, elbow 11 is arranged on to outlet one end of barrel 6.
In the time that needs are dismantled screw shaft 8, elbow 11 is unloaded, see Fig. 2, with the negative thread that is threaded into screw shaft 8 exit end of T-shaped dismantling devices 15 ends, and tighten with hexagonal nut, then, according to the installation catenation principle of above-mentioned active half a coupler 12 and driven half a coupler 13, can quick dismounting screw shaft 8.
In sum, advantage of the present invention is quick for this device has the screw shaft of removing and installing, simple in structure, quantitatively add the features such as tobacco cut is accurate, so this invention can be applied to the production of cigarettes field of tobacco business, be applied to especially tobacco cut average rate and be quantitatively added on throwing travel line, reduce local tobacco cut content, mix other pipe tobacco by scrap prodn. line and be transported to cigarette unit, so that the pipe tobacco reducing in cigarette contains last rate, improve cigarette quality.
Claims (6)
1. one kind is quantitatively added the device of tobacco cut, it is characterized in that: conveyor screw upper feeding mouth connects trapezoidal hopper, discharging opening is connected on throwing travel line by elbow, the inwall leaning angle of trapezoidal hopper is greater than the downslide critical angle of tobacco cut, and pitch, spiral nominal diameter and the reducing motor rotating speed on the screw shaft of conveyor screw mates with the coefficient of admission of the average density of tobacco cut, tobacco chip and the addition of interior tobacco cut of unit time.
2. the device of quantitative interpolation tobacco cut according to claim 1, it is characterized in that: the screw shaft of conveyor screw connects reducing motor by coupler, driven half a coupler is installed on screw shaft, uniform 4 unequal slots of two terminal circle arc dia on driven half a coupler, the main shaft of reducing motor is installed initiatively half a coupler, initiatively corresponding uniform 4 taper pin-holes on half a coupler, coupling bolt is connected two half a couplers through the slot on driven half a coupler with the taper pin-hole on active half a coupler.
3. the device of quantitative interpolation tobacco cut according to claim 1, is characterized in that: the exit end face of screw shaft disposes tapped bore, and the conveying barrel end face of conveyor screw and reducing motor coupling end is sealed by two semicircle shape barrel closing plates.
4. the device of quantitative interpolation tobacco cut according to claim 1, is characterized in that: the inwall of trapezoidal hopper adopts corrosion-resistant steel, and its leaning angle is greater than 43 °.
5. the device of quantitative interpolation tobacco cut according to claim 1, is characterized in that: the assembling frame of hopper base is rectangle, and trapezoidal hopper is placed in hopper base, in length and width direction, stays 1～2
mmgap.
6. the device of quantitative interpolation tobacco cut according to claim 1, is characterized in that: between the barrel diameter of bore of conveyor screw and screw shaft external diameter, leave 2.5～3.5
mmgap, stays 2～3 between the discharging opening external diameter of barrel and elbow endoporus
mmgap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310004593.4A CN103910212B (en) | 2013-01-07 | 2013-01-07 | The device of quantitative addition tobacco cut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310004593.4A CN103910212B (en) | 2013-01-07 | 2013-01-07 | The device of quantitative addition tobacco cut |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103910212A true CN103910212A (en) | 2014-07-09 |
| CN103910212B CN103910212B (en) | 2017-03-29 |
Family
ID=51036274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310004593.4A Active CN103910212B (en) | 2013-01-07 | 2013-01-07 | The device of quantitative addition tobacco cut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103910212B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106276260A (en) * | 2016-09-20 | 2017-01-04 | 河南工业大学 | The air conveying spiral of Dual-Phrase Distribution of Gas olid distance strengthens system |
| CN106429453A (en) * | 2016-09-20 | 2017-02-22 | 河南工业大学 | Granular food crop long-distance pipeline pneumatic screw propulsion type transportation system |
| CN106429454A (en) * | 2016-09-20 | 2017-02-22 | 河南工业大学 | Granular food crop long-distance screw type pneumatic transportation system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106276260A (en) * | 2016-09-20 | 2017-01-04 | 河南工业大学 | The air conveying spiral of Dual-Phrase Distribution of Gas olid distance strengthens system |
| CN106429453A (en) * | 2016-09-20 | 2017-02-22 | 河南工业大学 | Granular food crop long-distance pipeline pneumatic screw propulsion type transportation system |
| CN106429454A (en) * | 2016-09-20 | 2017-02-22 | 河南工业大学 | Granular food crop long-distance screw type pneumatic transportation system |
| CN106276260B (en) * | 2016-09-20 | 2018-06-22 | 河南工业大学 | Gas-solid phase long range Geldart-D particle spiral enhances system |
| CN106429454B (en) * | 2016-09-20 | 2018-10-16 | 河南工业大学 | Graininess food crops air-transport system spiral over long distances |
| CN106429453B (en) * | 2016-09-20 | 2018-10-30 | 河南工业大学 | Graininess food crops long-distance pipe strength screw-pushing type transport system |
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| CN103910212B (en) | 2017-03-29 |
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