CN104812257A - Method and apparatus for introducing a metered amount of particles into a continuous flow of material - Google Patents
Method and apparatus for introducing a metered amount of particles into a continuous flow of material Download PDFInfo
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- CN104812257A CN104812257A CN201380062044.0A CN201380062044A CN104812257A CN 104812257 A CN104812257 A CN 104812257A CN 201380062044 A CN201380062044 A CN 201380062044A CN 104812257 A CN104812257 A CN 104812257A
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- Prior art keywords
- particle
- transfer wheel
- flow
- wheel
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- 239000002245 particle Substances 0.000 title claims abstract description 193
- 238000000034 method Methods 0.000 title claims abstract description 41
- 239000000463 material Substances 0.000 title abstract description 48
- 238000012546 transfer Methods 0.000 claims abstract description 94
- 238000005259 measurement Methods 0.000 claims description 52
- 239000000109 continuous material Substances 0.000 claims description 22
- 230000002093 peripheral effect Effects 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 235000019505 tobacco product Nutrition 0.000 claims description 10
- 241000208125 Nicotiana Species 0.000 claims description 4
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 6
- 230000004907 flux Effects 0.000 description 5
- 210000000003 hoof Anatomy 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005429 filling process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- NOOLISFMXDJSKH-UTLUCORTSA-N (+)-Neomenthol Chemical compound CC(C)[C@@H]1CC[C@@H](C)C[C@@H]1O NOOLISFMXDJSKH-UTLUCORTSA-N 0.000 description 1
- NOOLISFMXDJSKH-UHFFFAOYSA-N DL-menthol Natural products CC(C)C1CCC(C)CC1O NOOLISFMXDJSKH-UHFFFAOYSA-N 0.000 description 1
- 239000001828 Gelatine Substances 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229940041616 menthol Drugs 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24C—MACHINES FOR MAKING CIGARS OR CIGARETTES
- A24C5/00—Making cigarettes; Making tipping materials for, or attaching filters or mouthpieces to, cigars or cigarettes
- A24C5/14—Machines of the continuous-rod type
- A24C5/18—Forming the rod
- A24C5/1892—Forming the rod with additives, e.g. binding agent, flavorants
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
- A24D3/0212—Applying additives to filter materials
- A24D3/0216—Applying additives to filter materials the additive being in the form of capsules, beads or the like
-
- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
- A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
- A24D3/0212—Applying additives to filter materials
- A24D3/0225—Applying additives to filter materials with solid additives, e.g. incorporation of a granular product
Landscapes
- Basic Packing Technique (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Measuring Volume Flow (AREA)
- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
Abstract
In the method and apparatus for introducing metered amounts of particles into a continuous flow of material a transfer wheel (5) comprising a plurality of peripherally arranged pockets (8) filled with a metered amount of particles (1) is rotated. Suction is applied from inside the transfer wheel (5) to the pockets (8) of the transfer wheel (5) to hold the metered amount of particles (1) inside the pockets (8) of the transfer wheel (5). The suction is then relieved and the metered amount of particles (1) is transferred from the pockets (8) of the transfer wheel (5) into a gas flow at a transfer location. The gas flow has a direction tangential to the transfer wheel at the transfer location. The metered amounts of particles are transported in the gas flow to the continuous flow of material.
Description
Technical field
The invention relates to a kind of method and apparatus of the particle for introducing metered amount during the manufacture of the particle containing product in renewable mode.More particularly, the invention relates to such as during the manufacture of the assembly of tobacco product or tobacco product particle in continuous material stream accurately and the introducing repeated.
Background technology
It is known that the particle of metered amount is repeatedly incorporated in the isolated position in flow of material (such as, filter tow).Such as, US Patent No. 6,723,033 discloses the wheel be sent to by the particle of metered amount in filter tow.Therefore, in tow, form groove, described metered amount is discharged in described groove.International application WO-A-2006/067629 discloses and is used in the gas pulses that the axial direction of measurement wheel applies and removes bulk material from the pocket that measurement wheel.
Continue to need to provide following methods and device: provide the particle of metered amount to introduce to the high accuracy in continuous material stream in predefined position.
Summary of the invention
According to a first aspect of the invention, a kind of method for being incorporated into by the particle of metered amount in continuous material stream is provided.Said method comprising the steps of: rotate the transfer wheel (transfer wheel) comprising the pocket of multiple peripheral disposition, described pocket is filled with the particle of metered amount.Described method is further comprising the steps: described pocket suction being applied to described transfer wheel from described transfer wheel inside, to keep the particle of the described metered amount of the described pocket inside of described transfer wheel.Further, said method comprising the steps of: remove described suction at delivering position and the described pocket of the particle of described metered amount from described transfer wheel is sent to air-flow.According to the present invention, described air-flow has the direction tangent with described transfer wheel at described delivering position.In addition, said method comprising the steps of: in described air-flow, the particle of described metered amount is transported to described continuous material stream.
The particle of metered amount is kept by the suction in the described pocket in described transfer wheel.By the rotation of described transfer wheel, the metering particle of described amount is transported to described delivering position, the metering particle of wherein said amount is sent in air-flow.Described air-flow has direction, and described direction is tangent at the circumference of described delivering position and described transfer wheel.By this, the gas velocity vector of air-flow described in the particle rapidity vector sum of described described particle of taking turns is substantial parallel in transit area.Owing to the aligning of particle rapidity vector sum gas velocity vector, this allows the particle of described amount to be accurately sent in described air-flow from the described pocket described transfer wheel, and subsequently, allows described particle to be sent in described flow of material.The load of the particle of described amount as the clear restriction of particle is transmitted, not there is in the particle of wherein said metered amount or only have minimum particles spatial diffusion.In addition, also allow the speed peripheral speed of described transfer wheel being adapted to described air-flow, or the speed of described air-flow is adapted to the peripheral speed of described transfer wheel.By this, the particle of the described amount transmitted from described transfer wheel to described air-flow the particle of described metered amount can be strengthened further from described transfer wheel to the transmission precision of described air-flow, this is because (especially can not in the forward direction) can not experience any acceleration greatly ideally in any direction.Instead, leave described described particle of taking turns can continue their paths along particle rapidity vector under inertia transmitting in district.Therefore, only minimum power changes during transmitting and acts on the individual particle once loaded in (one load) particle afterwards.In addition, by providing the particle of metered amount from transfer wheel to the conveying continuous material stream via the gas of tangential flowing, likely the speed of the particle of described metered amount is adapted to the speed of described flow of material.Also likely the particle of described amount generally parallel carried and be inserted in described flow of material.The conveying of particle to the precalculated position in described flow of material or the accuracy of introducing of indivedual metered amount is strengthened respectively with specific ways and all measures of taking in a joint manner.
Preferably, in excellent manufacturing installation, the peripheral speed of described transfer wheel is adapted to the linear velocity of described flow of material (such as, flow of tobacco or filter tow).This excellent manufacturing installation can be cigarette manufacturing installation, and the fumet wherein such as containing particle will be incorporated in continuous tobacco stream with metered amount in exact position.The possibility also providing and to be incorporated into by described particle with extremely low disturbance in described flow of material via air-flow the particle of metered amount is provided in flow of material.Can avoid or minimize any interference to described flow of material, described interference may affect the machine parts arranged after there is the position of particle introducing negatively.Negative effect can be such as blocking or the obstruction of such as hopper.
" particle " represents wisp as that term is used in this disclosure, and described wisp and liquid or gas contrast has clear-cut geometry.By example, particle comprises the overall wisp be made up of solid matter; There is the particle of housing that sealing liquid or gaseous state core be made up of solid matter or coating; As the particle of gelatine capsule, the clear border of described particle, and its matrix material do not have housing and core texture but have in its basal body structure can h substance, describedly can such as to discharge after applying pressure or heat by h substance.Preferably, the size of described particle is in about 0.2mm and the scope about between 3.5mm; More preferably, the size of described particle in about 0.5mm and the scope about between 2.0mm, such as, 1.5mm to 1.8mm.Preferably, described particle comprises fumet, such as, and menthol.Preferably, described particle is to heat sensitive, that is, when enough temperature actions are in particle, the inclusion that described particle can discharge its inclusion or described particle is activated.Preferably, described particle is adapted and is incorporated in tobacco product (such as, cigarette).
According to the one side of method according to the present invention, described method is further comprising the steps: with between 0 degree and about 45 degree, the particle of described metered amount is incorporated in described continuous material stream by the acute angle more preferably between about 0 degree and about 20 degree.By introducing the particle of described amount with acute angle, the flow direction of the direction of described flow of material and the particle of described amount is from described gas, the introducing position flow in described flow of material corresponds to each other or almost corresponding.Therefore, minimize the power acting on particle, described particle is on other direction of the flow direction being different from particle.Therefore the diffusion of the particle of a single load can be minimized.In preferred embodiments, also the speed of two streams stream of the particle of the described metered amount in described air-flow (and by the flow of material of the particle be transported in described air-flow) can be adjusted each other.Can them be made especially to correspond to each other, the speed of the particle of such as described amount is accelerated or slows to the speed of described flow of material.Two kinds of measures all allow the particle of described metered amount very accurately to insert in predefined position in described flow of material.
According to the another aspect of method according to the present invention, the described step that the particle of described metered amount is sent to described air-flow from the described pocket of described transfer wheel is comprised swing pinion.The tooth of described gear engages the described pocket of described transfer wheel, and thus the inclusion of described pocket is sent in described air-flow in next a mode at described delivering position.
According to the present invention, the tooth of described gear engages pocket at described delivering position or before the described delivering position of arrival.The described inclusion of described pocket promotes outside described pocket by described gear, makes and that flow gas tangent with the circumference of described transfer wheel can pick up the particle of described metered amount from described gear.Preferably, the described inclusion of described pocket is upwards risen to the described circumference of described transfer wheel.Even described inclusion upwards can be risen to further and enter further in carrier pipe that such as gas flows to.Described gear rotates up in the side identical with described transfer wheel, and preferably has the peripheral speed corresponding with the peripheral speed of described transfer wheel at described delivering position.Taken over by the particle moving direction given by the rotation of described transfer wheel by described gear.Preferably, the tooth of described gear has the distance corresponding with the distance of the pocket in described transfer wheel.After the rotation of described gear, be then sent in described air-flow via the space particle of packed year by a bite between two teeth of described gear.
Usually, the spacing of the described pocket on described measurement wheel is corresponding in fact with the spacing of the described particle in described flow of material, but, the change between the distance that the particle in the described pocket realizing in described flow of material and on described measurement wheel by the difference of speed compared with the tangential velocity of the pocket transmitted in district on taking turns of described air-flow is packed.Such as, when the tangential velocity of pocket in a little higher than transmission district of the speed of described air-flow on taking turns, the spacing of the particle bag in described air-flow will correspondingly increase.
According to the another aspect of method according to the present invention, said method comprising the steps of: make it measure the amount of particle through the filled chamber containing particle by rotating described transfer wheel.
Described pocket in described transfer wheel can be directly used in the amount of measuring the particle be incorporated in described flow of material.Wherein, the size of described pocket is corresponding with the amount of the particle that should be incorporated in described flow of material.In order to fill the described pocket in described transfer wheel, described pocket through or along the filled chamber containing particle.In other embodiments, the amount of the particle in the described pocket of described transfer wheel such as can be measured in advance by measurement wheel.In these embodiments, the particle of metered amount is sent in the described pocket of described transfer wheel.Depend on the size of particle, each pocket can be sized to holds a particle, some particles or a hundreds of particle.In some embodiments, preferably, the volume of described pocket is intentionally greater than the metered volume of wishing the particle be sent in described flow of material.Such as, fill large mouth bag 80% can significantly sooner and simpler compared with the comparatively tiny pocket material of identical amount 100% being filled into described measurement wheel.Even when deliberately fully filling pocket, what also can realize precise volume is particle-filled in pocket.A kind of mode controlling pocket filling can be the suction such as controlling to be applied to the bottom of this pocket, to maintain the particle in described pocket during rotating to transmission district, wherein the suction of higher amount will cause the larger packing volume of described pocket usually.
Therefore and according to the another aspect of method according to the present invention, said method comprising the steps of: rotate the measurement wheel comprising the pocket of multiple peripheral disposition and make it through the filled chamber containing particle.Suction is fed to the described pocket of described measurement wheel from described measurement wheel inside, to be attracted to the described pocket of described measurement wheel from described filled chamber by particle.Described method is further comprising the steps: remove described suction with thus described particle can be discharged into the described pocket of described transfer wheel from the described pocket of described measurement wheel.
Use independent measurement wheel for measuring the amount permission high flexibility in a device in accordance with the invention of the particle be incorporated in flow of material.Such as, filling and metering process can separate with transport process.The process of filling and measure can therefore independent of optimizing each other and substantially.Filling process preferably utilizes gravity.Such as can optimize filling process in the following manner: use moving down of described measurement wheel, such as, to extend the time that pocket stops in described filled chamber at described measurement wheel through during described filled chamber.By this, the filling to degree needed for pocket can be supported, to ensure the accuracy of the particle weight by being transported to described flow of material.In view of the particle of described metered amount is relative to the direction of described flow of material and the flow direction of speed and speed, preferably optimize conveying and the introducing of particle.In addition, by only exchanging the measurement wheel with the pocket defining size, the measurable particle for introduction into the difference amount in described flow of material with the measurement wheel there is difference defining the pocket of size.Alternatively or additionally, the variation of suction amount can be made to change with the particle realizing different aequum.When using measurement wheel, the size of the described pocket of described transfer wheel is then greater than usually for holding the size needed for the particle of described amount that is incorporated in described flow of material.Larger pocket can promote that the particle of described metered amount takes turns to the transmission of described transfer wheel from described metering.
Preferably, that the pocket in measurement wheel and transfer wheel comprises perforation or otherwise partly open diapire, makes suction can take turns inside from each and is applied to perforation plate.Particle is attracted to described pocket by described suction inner and remain in described pocket.Be applied to the described suction of described pocket by removing, the particle realizing multiple amount takes turns to another from one and to take turns or to the discharge air-flow or transmission.The discharge taking turns to transfer wheel from metering is supported in short injection also by gas (such as, air), to offset any residual vacuum that may still exist.
According to the another aspect of method according to the present invention, described method is further comprising the steps: air-flow is directed across described filled chamber, to assist the described pocket of filling described measurement wheel or described transfer wheel respectively with the particle from described filled chamber.
The filling of pocket differently can be supported by air-flow.Air-flow through described filled chamber may affect the particle flux in described filled chamber.Such as, particle can be directed to described pocket through on the direction of described filled chamber.Described air-flow also can in order to be adapted to the speed of the described pocket through described filled chamber by the described particle flux in described filled chamber.By this, such as, forever recharging and the blocking of particle can being prevented of described filled chamber can be ensured.The also secondary air of kind referred to above capable of being combined, to optimize the filling of pocket.
According to the another aspect of method according to the present invention, described method is further comprising the steps: perform the particle of metered amount to the described introducing in described continuous material stream with the not way of contact.If provide the introducing of particle with the not way of contact, so can not occur to disturb the machinery of described flow of material.Therefore, described flow of material remains substantially not by disturbance, and correspondingly, and any further process processing described flow of material also remains not by disturbance.Especially, can minimize or eliminate the risk of the adverse effect of machine parts, such as only allow certain material measured in given dimension (dimension) through.
According to a further aspect in the invention, a kind of device for being incorporated into by the particle of metered amount in continuous material stream is provided.Described device comprises rotatable transfer wheel, and described transfer wheel comprises the pocket of multiple peripheral disposition of the particle for holding metered amount.Described transfer wheel comprises vacuum manifold, and described vacuum manifold comprises vacuum chamber, and described vacuum chamber is used for suction being applied to the particle of described pocket for the described metered amount kept in the described pocket of described transfer wheel.Described device comprises conveying element further, and described conveying element is used for the particle of described metered amount to be sent to carrier pipe from the described pocket of described transfer wheel.Described carrier pipe is arranged in the mode tangent with the periphery of described transfer wheel, for receiving the particle of described metered amount from the described pocket of described transfer wheel.Preferably, described carrier pipe be essentially along whole length straight.This transport for the particle of active carbon is especially favourable, and this is because these particles will otherwise may make the inside of described carrier pipe degenerate in the region of contact activated carbon particles.Described device also comprises gas flow equipment, described gas flow equipment and described conveying fluid communication, is provided to continuous material stream for by the air-flow being used for the metering particle transporting described amount of described carrier pipe inside.Gas flow equipment can such as being arranged in the downstream of described carrier pipe and acting on the vacuum chamber of described carrier pipe.This vacuum chamber can be such as the suction chamber of excellent manufacturing installation.But gas flow equipment also can be the gas application equipment for gas superpressure being applied to described carrier pipe.In preferred embodiments, described gas flow equipment comprises gas application equipment, and for providing air-flow and for the flow control member of the speed that the described air-flow in described carrier pipe is adapted to described continuous material stream in described carrier pipe.
Discuss the advantage of the corresponding aspect according to device of the present invention above in conjunction with the aspect of described method, make no longer to discuss described advantage.
According to the one side of device according to the present invention, be rotatable gear for the described conveying element that the particle of described metered amount is sent to described carrier pipe from the described pocket of described transfer wheel.Described gear is arranged such that the tooth of described gear can at the described pocket engaging described transfer wheel when described gear rotates.Thus once the inclusion of a pocket is sent in described carrier pipe.
According to the another aspect of device according to the present invention, described device comprises rotatable measurement wheel further, and described measurement wheel comprises the pocket of multiple peripheral disposition of particle for measuring and hold metered amount.Described measurement wheel comprises vacuum manifold, and described vacuum manifold comprises vacuum chamber, and described vacuum chamber is used for rotating along with described measurement wheel and suction being applied to the described pocket of described measurement wheel.Described device comprises the filled chamber for particle further, and particle is recovered to described pocket from described filled chamber by described applied suction.Described device comprises discharge member further, and described discharge member is used for the described pocket of the particle of described metered amount from described measurement wheel to be discharged into the described pocket of described transfer wheel.Discharge member can be vacuum break equipment, such as flashboard (shutter), and it preferably combines with valve for providing gas to remove residual vacuum.
According to the one side of device according to the present invention, described filled chamber comprises filling supporting element, and described filling supporting element is for supporting that particle is filled into the described pocket of described measurement wheel from described filled chamber.According to the certain preferred embodiments of device according to the present invention, described filling supporting element is discharge valve or deflector, for respectively the particle flux in described filled chamber being directed to the direction through the described pocket in the described measurement wheel of described filled chamber or described transfer wheel.
According to the another aspect of device according to the present invention, described device comprises lock unit further.Preferably, described lock unit is for making the peripheral speed of described transfer wheel synchronous with the linear velocity of described continuous material stream.It can such as with the speed sync of machine, described machine such as defines the excellent manufacturing installation of the speed of described flow of material.Described lock unit also can be used for making other part according to device of the present invention synchronous, such as measurement wheel or gear and described transfer wheel.
Particle from a device element to another device element or from device element to flow of material parallel or almost parallel transmission allow: described particle is few or extremely accurately transmitting when spreading without space in individual particle load.If make individual device element adjust each other in the speed of delivering position (comprise discharge and introduce position), the diffusion of this space so also can be minimized.In combination, extremely accurate and clearly defined being introduced in flow of material in the position that pre-sets clearly defined of the particle of definite metered amount is possible.
Method and apparatus according to the present invention is preferably used for the manufacture of tobacco product or multiple tobacco product part, described tobacco product part such as tobacco rod and filtration core.But also can use in other process according to method and apparatus of the present invention, wherein particle must be measured and the particle of discrete amount repeatedly should be incorporated in flow of material in exact position.
Accompanying drawing explanation
Further describe the present invention about an embodiment, the present invention by following graphic and illustrate, in the drawings
Fig. 1 illustrates the front view of the embodiment according to device of the present invention of the production for tobacco product;
Fig. 2 illustrates the rearview of the embodiment according to Fig. 1.
Detailed description of the invention
In fig. 1 and 2, loose particle 1 (such as, comprising the particle of fumet or active carbon) is fed in the top of vertically arranged filling tube 2.Preferably via the gravity in filling tube 2, particle 1 is directed in filled chamber 3.From filled chamber 3, particle 1 is filled into be arranged in can vertical rotary measurement wheel 5 circumference in pocket 8 in.Therefore the size of the pocket 8 in measurement wheel 5 defines the particle weight of every pocket, and correspondingly also defines the amount of the metering like this of particle will be incorporated in flow of material 22 after a while.Exhaust position 100 is rotated to and the particle transported in pocket 8 by measurement wheel 5.In this embodiment, exhaust position 100 is orientated as relative with the position of the pocket 8 of filling measurement wheel 5.At exhaust position 100, being discharged into from measurement wheel 5 by the particle of described amount can the transfer wheel 11 of vertical rotary.Via the rotation of transfer wheel 11, in the pocket 21 of transfer wheel 11, the particle of discrete amount is transported to delivering position 200.When having the support from the gear 14 serving as conveying element (shown in Fig. 2), the particle of discrete amount is sent in carrier pipe 17 one by one.At delivering position 200, carrier pipe 17 is arranged as with transfer wheel 11 tangent.Air-flow in carrier pipe 17 picks up individual particle load, and transports it into continuous material stream 22 with the form of particle pulse 18 and be incorporated in flow of material 22 for by the particle of described amount.The direction of rotation of indicator wheel is carried out by arrow.
Preferably be arranged in parallel flow of material 22, or become little acute angle to carry out material arranged stream 22 in introducing position with the air-flow containing particle pulse 18.Therefore, being transported to after in carrier pipe 17 at particle and being incorporated into after in flow of material 22, there is not or only occurs minimum direction and change in the velocity vector of particle.
By arranging one end of carrier pipe 17 in distance flow of material 22 1 distance, the available not way of contact performs particle pulse 18 to the introducing in flow of material 22.The introducing degree of depth of the particle in flow of material such as can be adjusted by the pressure of air-flow.But, also by the carrier pipe 17 arrived in flow of material, particle pulse 18 is incorporated in flow of material.
In order to ensure that the particle of exact amount is incorporated in flow of material 22, the filling of the pocket 8 of measurement wheel 5 should be definite and repeatably.In order to support to fill, filling tube 2 can possess the air-flow supporting the particle flux of filling in wheel.Filled chamber 3 possesses slideway 4, and particle flux guides towards the pocket 8 of the measurement wheel 5 through filled chamber 3 by slideway 4.Air is released in filled chamber 3 by the preferably adjustable vent valve 23 being connected to pressurized air source (not shown), with tuning particle subtly to the filling in pocket.This air stream also can prevent the blocking of the particle in filled chamber.
Vacuum chamber 10 is provided in measurement wheel 5 inside.Via vacuum component (not shown), such as via the perforation plate 9 of pocket 8, suction can be applied to vacuum chamber 10 and described pocket.Particle is drawn to pocket 8 from filled chamber 3 by this suction, and keeps the particle in pocket.The scraper 7 being arranged in the downstream of filled chamber 3 cuts from the outstanding excess of particles of pocket 8, and otherwise such as can be adhered to the particle of the circumference of measurement wheel 5 by electrostatic force.Can be fed into again in filling tube 2 through filled chamber 3 and the excess of particles 6 be not yet filled in pocket.Can perform feed-in again via the metering valve 201 on the top being arranged in filling tube 2, wherein excess of particles 6 mixes the filling next time for pocket with new particle 1.
When being in exhaust position 100, turn off or interrupt being applied to the suction of pocket 8 of measurement wheel 5, the discharge the pocket 21 of the particle making to realize described amount from the pocket of measurement wheel to transfer wheel 11.Transfer wheel 11 also possesses vacuum chamber 20, thus suction is provided to the pocket of transfer wheel.Pocket 21 also correspondingly can possess perforation plate.After transfer wheel 11 rotates, between extenal fixation hoof part 12 and internal fixtion hoof part 13, the particle of described amount is transported to delivering position 200.Fix hoof part 12,13 between the exhaust position 100 and the delivering position 200 emptying pocket of the pocket of filling transfer wheel 11 across about 1/4th of transfer wheel 11.Internal fixtion hoof part 13 holds vacuum chamber 20.Extenal fixation hoof part 12 provides protection for the pocket 21 be filled.The vacuum being provided to the pocket 21 in transfer wheel 11 is limited to the section of transfer wheel 11 between exhaust position 100 and delivering position 200.At delivering position 200, the tooth 141 of gear engages a pocket 21 after another pocket of transfer wheel.Tooth removes each pocket by following operation: the particle of an amount sent out pocket 21 by the rotation (indicated by arrow) of gear on the direction identical with transfer wheel 11 and be sent in the air-flow of carrier pipe 17.There is provided conveying chamber 15 at delivering position 200, thus form the initial part of carrier pipe 17.Gas trap 16 is arranged in the upstream of conveying chamber 15.Gas trap 16 is connected to source of the gas (not shown), and can be air-flow and provide gas.Gas trap 16 also can in order to be provided to conveying chamber 15 and carrier pipe 17 by extra superpressure.The gas introduced via gas trap 16 can especially in order to be adapted to the linear velocity of the flow of material 22 by introducing particle by the speed of the particle in air-flow.
Air-flow in carrier pipe 17 also flows in the mode tangent with transfer wheel 11 at delivering position 200.The speed of air-flow is preferably also adapted to the peripheral speed of transfer wheel 11 and gear 14 respectively by corresponding lockout member (not shown).
Describe the present invention with reference to the embodiment shown in graphic.But, without departing from the scope of the invention, other embodiment and change can be dreamed up.By means of only example, the size variation of exhaust position and delivering position or measurement wheel and transfer wheel can be made.And, can take turns for one or all and select except can the layout of wheel except the wheel of vertical rotary, and other wheel can be provided.
Claims (15)
1., for the particle of metered amount being incorporated into the method in continuous material stream, said method comprising the steps of:
-rotating the transfer wheel comprising the pocket of multiple peripheral disposition, described pocket is filled with the particle of metered amount;
-suction is applied to the described pocket of described transfer wheel from described transfer wheel inside, to keep the particle of the described metered amount of the described pocket inside of described transfer wheel;
-to remove described suction at delivering position and the particle of described metered amount is sent to air-flow from the described pocket of described transfer wheel, described air-flow has the direction tangent with described transfer wheel at described delivering position, and
-in described air-flow, the particle of described metered amount is transported to described continuous material stream.
2. method according to claim 1, further comprising the steps: with the acute angle between 0 degree and about 45 degree, the particle of described metered amount to be incorporated in described continuous material stream.
3. method according to claim 1 and 2, further comprising the steps: the speed speed of the particle of the described metered amount in described air-flow being adapted to described continuous material stream.
4. according to method in any one of the preceding claims wherein, wherein the described step that the particle of described metered amount is sent to described air-flow from the described pocket of described transfer wheel is comprised swing pinion, the tooth of described gear engages the described pocket of described transfer wheel, thus the inclusion of described pocket is sent in described air-flow in next a mode at described delivering position.
5. according to method in any one of the preceding claims wherein, comprise the following steps: make it pass through the filled chamber containing particle by the described transfer wheel rotated containing described pocket and measure the amount of particle.
6. the method according to any one of claim 1 to 5, further comprising the steps :-rotate the measurement wheel comprising the pocket of multiple peripheral disposition to make it through the filled chamber containing particle;-suction is applied to the described pocket of described measurement wheel from described measurement wheel inside, to be attracted to the described pocket of described measurement wheel by particle from described filled chamber;
-remove described suction with thus described particle can be discharged into the described pocket of described transfer wheel from the described pocket of described measurement wheel.
7. the method according to claim 5 or 6, further comprising the steps: air-flow is directed across described filled chamber, to assist the described pocket of filling described measurement wheel or described transfer wheel respectively with the particle from described filled chamber.
8. according to method in any one of the preceding claims wherein, further comprising the steps: to perform the particle of metered amount to the described introducing in described continuous material stream with the not way of contact.
9., for the particle of metered amount being incorporated into the device in continuous material stream, described device comprises:
-rotatable transfer wheel, comprises the pocket of multiple peripheral disposition of the particle for holding metered amount;
-described transfer wheel comprises vacuum manifold, and described vacuum manifold comprises vacuum chamber, and described vacuum chamber is used for suction being applied to the particle of described pocket for the described metered amount kept in the described pocket of described transfer wheel;
-conveying element, for the particle of described metered amount is sent to carrier pipe from the described pocket of described transfer wheel, the periphery of described carrier pipe and described transfer wheel is tangentially arranged;
-gas flow equipment, itself and described conveying fluid communication, be provided for in described carrier pipe inside the air-flow metering particle of described amount being transported to described continuous material stream.
10. device according to claim 9, wherein said gas flow equipment comprises gas application equipment, and for the flow control member of the speed that the described air-flow in described carrier pipe is adapted to described continuous material stream.
11. the device according to claim 9 or 10, described conveying element wherein for the particle of described metered amount is sent to described carrier pipe from the described pocket of described transfer wheel is rotatable gear, described gear is arranged such that the tooth of described gear can engage the described pocket of described transfer wheel when described gear rotates, thus once the inclusion of a pocket is sent in described carrier pipe.
12. devices according to any one of claim 9 to 11, comprise further:
-rotatable measurement wheel, comprise the pocket of multiple peripheral disposition of particle for measuring and hold metered amount, described measurement wheel comprises vacuum manifold, and described vacuum manifold comprises vacuum chamber, and described vacuum chamber is used for rotating along with described measurement wheel and suction being applied to the described pocket of described measurement wheel;
-for the filled chamber of particle, particle can pass through applied suction and be recovered to described pocket from described filled chamber, and
-conveying element, for being sent to the described pocket of the particle of described metered amount from described measurement wheel the described pocket of described transfer wheel.
13. devices according to claim 12, wherein said filled chamber comprises filling supporting element, and described filling supporting element is for supporting that particle is filled into the described pocket of described measurement wheel from described filled chamber.
14. devices according to any one of claim 9 to 13, comprise lock unit further, described lock unit is for making the peripheral speed of described transfer wheel synchronous with the linear velocity of described continuous material stream.
The purposes of 15. 1 kinds of methods according to any one of claim 1 to 8 or the device according to any one of claim 9 to 14, the purposes that described purposes is described method or described device in the manufacture of tobacco product or multiple tobacco product part, all tobacco rods in this way of described tobacco product part and filtration core.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12194769 | 2012-11-29 | ||
| EP12194769.1 | 2012-11-29 | ||
| PCT/EP2013/074944 WO2014083094A1 (en) | 2012-11-29 | 2013-11-28 | Method and apparatus for introducing a metered amount of particles into a continuous flow of material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104812257A true CN104812257A (en) | 2015-07-29 |
Family
ID=47602826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380062044.0A Pending CN104812257A (en) | 2012-11-29 | 2013-11-28 | Method and apparatus for introducing a metered amount of particles into a continuous flow of material |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP2925168A1 (en) |
| JP (1) | JP2015535432A (en) |
| KR (1) | KR20150088268A (en) |
| CN (1) | CN104812257A (en) |
| BR (1) | BR112015010415A2 (en) |
| RU (1) | RU2015125461A (en) |
| WO (1) | WO2014083094A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108289497A (en) * | 2015-12-23 | 2018-07-17 | 菲利普莫里斯生产公司 | Elongate object for that will limit longitudinal axis is introduced into the method and apparatus in continuous material stream |
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- 2013-11-28 WO PCT/EP2013/074944 patent/WO2014083094A1/en active Application Filing
- 2013-11-28 CN CN201380062044.0A patent/CN104812257A/en active Pending
- 2013-11-28 RU RU2015125461A patent/RU2015125461A/en not_active Application Discontinuation
- 2013-11-28 JP JP2015544458A patent/JP2015535432A/en active Pending
- 2013-11-28 KR KR1020157015192A patent/KR20150088268A/en not_active Application Discontinuation
- 2013-11-28 BR BR112015010415A patent/BR112015010415A2/en not_active IP Right Cessation
- 2013-11-28 EP EP13795799.9A patent/EP2925168A1/en not_active Withdrawn
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| CN108289497A (en) * | 2015-12-23 | 2018-07-17 | 菲利普莫里斯生产公司 | Elongate object for that will limit longitudinal axis is introduced into the method and apparatus in continuous material stream |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2925168A1 (en) | 2015-10-07 |
| JP2015535432A (en) | 2015-12-14 |
| BR112015010415A2 (en) | 2017-07-11 |
| KR20150088268A (en) | 2015-07-31 |
| RU2015125461A (en) | 2017-01-10 |
| WO2014083094A1 (en) | 2014-06-05 |
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