CN104621710B

CN104621710B - Roller platen

Info

Publication number: CN104621710B
Application number: CN201410638484.2A
Authority: CN
Inventors: H.加斯特; I.德鲁斯
Original assignee: Hauni Maschinenbau GmbH
Current assignee: Koerber Technologies GmbH
Priority date: 2013-11-13
Filing date: 2014-11-13
Publication date: 2019-05-31
Anticipated expiration: 2034-11-13
Also published as: EP2888952A2; CN104621710A; EP2888952A3; DE102013223076A1

Abstract

The present invention relates to roller platens, the roller platen (34 of the imprinting apparatus (36) for the equipment (30) that especially the lapping band (33) of the bar form articles for the tobacco industry is processed, 35), wherein it can imprint or be stamped during vertical axis conveys package material strips by means of imprinting apparatus (36) lapping band, roller platen has at least partly about coining geometry (42, 42 '), geometry is imprinted along the rotation axis (31 of roller platen, 32) direction alternately has groove (43, 43 ') and protrusion (44, 44 ').The present invention is distinguished by that, the third spacing (84) of the second spacing (83) and/or at least two adjacent protrusions that the first spacing (82) of at least two adjacent grooves is different from least two other adjacent grooves is different from the 4th spacing (85) of at least two other adjacent protrusions.

Description

Roller platen

Technical field

The present invention relates to a kind of equipment that the lapping band to the bar form articles for the tobacco industry is processed The roller platen of imprinting apparatus, wherein conveying the package material in vertical axis by means of lapping band described in the imprinting apparatus It can imprint or be stamped during material strip, wherein the roller platen has at least partly about coining geometry knot Structure, wherein the coining geometry of the roller platen alternately have along the roller platen circumferencial direction extension groove and Protrusion.

Background technique

Corresponding roller platen or corresponding imprinting apparatus and a kind of packet to the bar form articles for the tobacco industry The equipment that material strips are processed is wrapped up in also to be described in 10 2,012 201 279 A1 of application DE of Germany.

Recently known so-called combined characteristic filter tip (CP filter tip), they are also referred to as CV filter tip, wherein CV is the abbreviation of " ventilation of the channel channel ventilated() ".

258802 Y of patent application CN of China discloses a kind of trough of belt filter tip (Rillenfilter) manufacturing machine, should Trough of belt filter manufacturing machine is used to manufacture the cigarette filter stick with oblique groove.Here, making the scraps of paper on the other side of rack Conveying capacity doubles, and is set to the scraps of paper conveying capacity of dedicated reel, disposes on the upper part of the dedicated reel Imprinting apparatus.The imprinting apparatus has a double roller with oblique slot embossing (Rillenpr gung) empty to a, sucking Gas/scraps of paper guide groove, scraps of paper deflector roll and a scraps of paper guide groove and an infrared switch.The trough of belt mistake with different embossing can be manufactured Filter stick.The double roller for being imprinted is to the structure for being configured to convex-concave.

It, can be highly precisely to lapping band by the method described in 10 2,012 201 279 A1 of DE It is imprinted.It yet to be inquired into below to this method and for used device thus.

Summary of the invention

The task of the present invention is illustrate a kind of roller platen, a kind of imprinting apparatus and a kind of stick to for the tobacco industry The equipment that the lapping band of shape product is processed, especially by means of the roller platen, the imprinting apparatus and the equipment Uniform embossing is obtained transverse to the longitudinal axis of the lapping band, wherein especially in the coining and then to through over-voltage The lapping band of print is provided with uniform spacing after being further processed in the stamping structure.

The task passes through a kind of equipment that the lapping band to the bar form articles for the tobacco industry is processed The roller platen of imprinting apparatus is resolved, wherein conveying institute in vertical axis by means of lapping band described in the imprinting apparatus It can imprint or be stamped during stating lapping band, wherein the roller platen has at least partly about coining Geometry, wherein the coining geometry of the roller platen alternately have along the roller platen circumferencial direction extension Groove and protrusion, the roller platen the improvement is that the first spacing of at least two adjacent grooves is different from least two The third spacing of second spacing of the adjacent groove of a others and/or at least two adjacent protrusions is different from least 4th spacing of the adjacent protrusion of two others.

By it is this by measure of the invention come it is considered that during the entire process of manufacturing corresponding CV filter tip imprinted pattern Case, the distribution on lapping band be not equably to carry out.It is particularly desired in obtain uniform imprinted pattern, for uniform Equidistant groove groove big as is provided with for imprinted pattern in finished product.According to present invention has been found that this hope Prestige is especially not being met, if the roller platen has equidistant protrusion or groove, because to the package by coining Material strips such as act on lapping band, non-uniform drawing when shaping filter stick during being further processed Power or non-uniform pressure are dominant, so that the lapping band by coining is stretched with different degree.In order to Inhibit this point, be provided with a kind of roller platen, which is had the groove separated with different scales or with different rulers Spend the protrusion separated.In other words, the described first to the 4th spacing is preferably walked with the further processing of the lapping band Suddenly match.The roller platen is adapted with the further process step in this sense.

It is preferred that the spacing continuously changes.

It is then preferred that the spacing is by being added in an average spacing this mode for obtained numerical value come in advance Given, wherein obtained numerical value is determined by second degree polynomial, and wherein the multinomial has variable, the variable phase When in a number that is continuous, being constituted by and by the groove of arrangement and/or the quantity of protrusion.It can be very by this measure Raised or groove, uniform interval is targetedly obtained in finished product, such as filter stick.It describes in further detail below, How the spacing is acquired in one embodiment.

Groove and/or convexity are in the coining in the region of preferably at least one outside in coining geometry Groove and/or protrusion in the region of the inside of geometry shape more significant.

Herein it has been found that can be realized the imprinted pattern make well and uniform of lapping band, if made With the roller platen for imprinting apparatus, the coining geometry of the roller platen is at least than in internal area in external region Shape more significant in domain.Otherwise, following effect can be generated for uniformly shaping: the lapping band is in the packet Wrapping up in does not have to be fixed by the coining geometry of lateral edge or side completely on the edge of material strips, but the lapping band It is pulled into the coining geometry, so as to realize the deformation of the plasticity shaped, and the packet less significantly Material strips are wrapped up in restore to the original state again in the fringe region after the imprinting apparatus leaves.Pressure of the invention is pressed by described Roller is printed, to prevent from pulling in the lapping band in the coining geometry of the roller platen.

" the more significant forming of the coining geometry " refers in particular to, and the groove and/or protrusion are along described The radial direction of roller platen shapes more significant.Thus the radius of the groove shaped especially more significantly is less than less aobvious Land forming groove radius.The radius of the protrusion shaped thus more significantly is greater than the protrusion shaped less significantly Radius.Refer to the radius of corresponding roller platen herein, that is, from the rotation axis of the roller platen to the groove or The spacing of person's protrusion.

It is preferred that the outmost groove of the coining geometry of the roller platen and/or outmost protrusion shape more Significantly.The especially described coining geometry correspondingly shapes more significant on the edge of the roller platen.The coining is several What structure is preferably groove-like.It is preferred that on the two sides of the coining geometry, outmost groove and/or outmost convex Rising is formed separately more significant.Thus the coining on the region of two outer edges of the roller platen or two outsides Geometry shapes more significant.

It is particularly preferred that it is multiple in it is described coining geometry outsides regions in groove and/or raise into Shape obtains more significant.It is possible thereby to highly reliably prevent transverse to transporting the direction of the lapping band for lapping band It pulls in the roller platen or the coining geometry.This is carried out in the following manner: just in the outside It is realized by the multiple groove shaped and/or protrusion more significantly in region a kind of for the lapping band Clamping action.

Preferably at least two and the groove in the region that ground is externally arranged and/or protrusion equally shape significantly.By This generates the highly uniform imprinted pattern of the lapping band.As an alternative, the first can be set for the groove The curve of envelope and/or the curve that second of envelope is arranged for the protrusion, the curve of the envelope is at least partly It is parabola shaped.The groove of the raised and/or described roller platen of the roller platen has a kind of recessed shape as a result, and more Exactly by the curve of the envelope, namely it is a kind of it is hypothetical, by it is described protrusion or it is described protrusion it is uppermost Part is joined to one another and/or apparently has the curve that the groove is correspondingly joined to one another a kind of recessed Shape.It is preferred that being provided with the shape of the groove and/or the protrusion, expansion step by step outward in the region of the outside Structure, which provided at least two grades.

It is preferred that the groove and/or the protrusion are at least partly round in section.Thus it is evenly distributed and is applied The tensile stress being added on the lapping band.It is preferred that the lateral edge between groove and corresponding adjacent protrusion is radially arranged. Thus the good clamped condition for generating the lapping band and the thus deformation of caused plasticity." radially " it especially anticipates Taste, the lateral edge is arranged radial to the rotation axis of corresponding roller platen or the roller platen.It is corresponding, circular Thus ground has around the protrusion and/or groove that the roller platen is arranged between corresponding protrusion and adjacent groove surround , lateral edge perpendicular to the rotation axis.

It is preferred that the groove and/protrusion in the region of the outside in coining geometry are equipped with one between its lateral edge Platform, wherein being provided with the edge by rounding between the platform and the lateral edge.It herein can be several in the coining The lapping band, stronger deformation is realized in the region of the outside of what structure.It is preferred that the coining geometry It is waveform in section, wherein the protrusion described in internal region and groove are with a kind of sinuous (sinudial) or just The structure of chordal shaped, that is, be such as arch, and be preferably configured as frustum shape in external region.This frustum shape Construction can understand so that that's about the size of it so that the waveform of the style of its wave-like there with rectangle a kind of, but The wave-like of the rectangle has the edge by rounding.

It is preferred that imprinting apparatus is equipped with the first roller platen constituted as previously described, which provided top rollers, should Top roller is complementary with the first coining roll shape, and which provided a kind of gap rulers of the lateral edge between the groove and protrusion Very little, which is less than the thickness of the lapping band.Herein relate to the groove and the top in one roller platen The gap size of lateral edge between the protrusion of roller and vice versa.The rotation axis of described two roller platens is preferably put down each other Row.

Pass through setting for the lateral edge between groove and protrusion, smaller than the thickness of lapping band gap size It sets, the lapping band is correspondingly clamped between the lateral edge, thus the groove being complementally arranged by the shape The deformation of the plasticity of the lapping band can be realized along the radial direction of the roller platen with protrusion.

" shape is complementary " refers in particular in the sense of the present invention, the groove and protrusion of the roller platen and the top roller Groove and protrusion are fitted in each other, wherein the gap size and the here gap size of the especially described level are not necessarily It is equally big on each position or each protrusion or groove.More specifically it is preferably, in first roller platen Horizontal gap size between the side of protrusion and the groove of the top roller and first roller platen protrusion it is another Horizontal gap size between side and the groove of the top roller is different.It is preferred that thereby guaranteeing that, enough asymmetry are pressed into Into the lapping band, the asymmetry by further processing make it is described be pressed into it is convex in lapping band It rises or the spacing of groove becomes uniform.This asymmetry in the gap size preferably can only be only provided institute It states on several or a few locations or the region of roller platen or top roller.

It is particularly preferred that side and the top roller in region outside first in the protrusion of first roller platen Groove between horizontal gap size be equivalent to raised pair in the region described second outside in the roller platen Gap size between the groove of the side and the top roller set.

It is preferred that the spacing of the roller platen can be adjusted.

Furthermore it is preferred that the equipment processed to the lapping band of the bar form articles for the tobacco industry has front Described and preferred imprinting apparatus conveys the package in vertical axis by means of lapping band described in the imprinting apparatus It can imprint or be stamped during material strips.

The coining of the lapping band is so carried out now, thus in the roller platen, namely described first Roller platen and the top roller-be also possible to by when roller platen-rotation of the invention between the roller platen of the imprinting apparatus edge The direction of vertical axis convey the lapping band.Thus apply the embossing of groove-like to the lapping band, wherein institute Groove is stated along the conveying direction of the lapping band to constitute.

In order to manufacture the bar form articles of the tobacco industry, strip material, such as tobacco or filtering material, such as can be set Filter tow correspondingly processes the strip material or filtering material in set frame.In addition, can then surround The item coil through the lapping band of coining, and more specifically preferably ground connection (auf Sto) is twined Around.In order to wind the item to ground connection, it is necessary to width setting the lapping band, highly precisely defining.This It described can be realized by roller platen of the invention and by imprinting apparatus of the invention by simple mode with described.Then may be used To bring another lapping band of winding around the lapping by coining, and correspondingly it is glued.It is described Another lapping band can be lapping band common in other aspects, it is come in formalism device around strip material It winds and is correspondingly closed, for making the strip material be formed and being kept stabilized condition.

The equipment that the lapping band of the described pair of bar form articles for the tobacco industry is processed correspondingly is provided with A kind of imprinting apparatus, which includes one or two by roller platen of the invention, by means of described in the roller platen Lapping band can be imprinted or be stamped during vertical axis conveys the lapping band, wherein in the coining The damping device for being soaked to the lapping band can be set in the upstream of device.

It is preferred that the damping device is arranged between lapping tensile force of belt regulating device and the imprinting apparatus.Pass through This improvement project can be realized point-device wetting for the lapping band.

It has been preferably provided with a heating device.The heating device be preferably placed in the region of the imprinting apparatus and/or Person is integrated in the imprinting apparatus.The heating device can be such as arranged in the roller platen of the imprinting apparatus.This Outside preferably a heating device is provided with and/or is integrated in the damping device in the upstream of the damping device.It is excellent Select the damping device that the water by heating or the liquid by heating are sprayed on the lapping band.Thus it is arranged A kind of heating device, the heating device heat the liquid for needing to be sprayed on the lapping band.

It is preferred that being directly provided with a drying device in the downstream of the imprinting apparatus, thus, it is possible to realize this point: described Drying is dried when contacting with strip material or substantially obtained to lapping band.

Particularly preferably a kind of variant schemes, described be configured for insertion by equipment of the invention sets in this variant Wherein the insertion equipment is mounted or can be mounted on filtering rod manufacturing machine and mistake to the standby process unit for being perhaps inserted into equipment Filter long filament draft machine or for more being segmented between the filter sections assembly machine of filter tip, wherein the insertion equipment is especially wrapped A feed unit is included, which can be connected in a manner of it can unclamp with the process unit.

About this preferred design scheme by equipment of the invention, specifically referring to 2 591 686 A1 of EP.

By this preferred measure, filter tip manufacture can be more more flexible than previous, because passing through the insertion equipment Can very changeably the filtering material and/or the lapping band be processed or be handled.By one or The setting of more insertion equipment, also can be set different processing or treatment process, wherein by using other process units This mode of corresponding process unit is replaced, can be realized the processing or processing of other types.It thus can also be soon The manufacture of another filter tip is converted to by a kind of manufacture of filter tip, it is possible thereby to effectively design filter tip replacement. For example the embossing of other styles can be soon set on the lapping band by this measure.According to the present invention, than Such as it is provided with the embossing of vertical axis.The embossing of other styles can certainly be set, then can accordingly insertion equipment or Person is inserted on the process unit of equipment the embossing for carrying out other styles.In addition it is also possible to correspondingly to other lapping bands It is processed, or easily the lapping band can also be handled with other process temperatures with other liquid Or processing.For this purpose, such as only having to replace the process unit, then the process unit and the feed unit are connected It picks up and.

According to the present invention, the filter manufacturing machine of the tobacco industry include by it is of the invention, noted earlier, have phase The equipment for the feature noted earlier answered.

The present invention will especially solve the problems, such as that the imprinted pattern in lapping band is in the whole process for convex Rise and groove equidistant spacing roller platen for be not to be distributed in phase and similarly.This makes finished product, such as filters Stick seems undesirable in appearance outward, though abided by characteristic parameter, such as average groove area or groove area with And average depth of groove or trench depth and these characteristic parameters are also only subjected to the fluctuation of very little.

The process of the further processing of the process of the coining and the lapping band for passing through coining makes to wrap up Material strips and finished product, such as filter stick cause to act on the scraps of paper, non-uniform pulling force and non-uniform pressure when shaping. In addition, such as in formalism device with by coining lapping band or another lapping band winding by way of come Manufacture filter stick.Especially make the protrusion of each thin slice or the embossing different with groove as in accordion at this Degree it is mobile or apply different pulling force or pressure to it so that the protrusion and groove, be equipped with by coining Lapping band filter stick circumference on be unevenly distributed.It in order to tackle this problem, is not equidistant as previous Ground is arranged the embossed grooves of the roller platen or imprints the spacing of groove and stamping and crowing, but by spacing to each other Some protrusions or groove are set wider or larger or smallerly.It is especially preferred towards the direction at the edge of the roller platen It is that the spacing becomes smaller.Thus it generates the pre- of the embossing to change, for another example this cancels institute during later further processing State it is pre- change, to generate about the protrusion and the product that is evenly distributed of groove.Thus illustrate a kind of and further mistake The roller platen that journey matches perhaps imprinting apparatus for the roller platen or imprinting apparatus the groove from the embossing Center there is to the left and to the right the variation of nonlinear spacing.This spacing variation is preferably the variation of secondary power.

In addition, the task is by a kind of for constructing or manufacturing for the bar form articles for the tobacco industry The imprinting apparatus for the equipment that lapping band is processed, with it is described above, by roller platen of the invention comparable the The method of two roller platens is resolved, and this method has following methods step: being brought into the first roller platen to the lapping Row coining；The bar form articles of the tobacco industry will be further processed by the lapping band of coining；Manufacturing the stick The imprinted pattern of the lapping band is compared with the coining geometry of first roller platen after product, wherein On the basis of the deviation of in the imprinted pattern of the lapping band, relative to first roller platen coining geometry The coining geometry of second roller platen is adjusted.

By it is described in the present inventive method, come effectively after stamping the lapping band is carried out it is further The variation of the imprinted pattern of the lapping band is taken in when processing, thus manufactured bar form articles with described The comparison of then existing imprinted pattern in lapping band can be so to the imprinted pattern with first roller platen , the deviation generated due to the further processing for the lapping band take in, thus manufacture the second roller platen, Second roller platen is for making the lapping band imprinted by second roller platen be further processed into finished product, such as There is desired stamping structure, the stamping structure is such as between protrusion and groove after the bar form articles of the tobacco industry With equidistant spacing.

Thus be preferably directed to herein a kind of adaptability, for constructing or manufacturing for the stick for the tobacco industry The equipment that the lapping band of shape product is processed, imprinting apparatus the second roller platen.

It is preferred that between the protrusion in imprinted pattern, than the protrusion for imprinting geometry in first roller platen Between the big spacing of spacing cause the lesser spacing between the protrusion of the coining geometry of second roller platen.Also It is to say if such as will be such as by after stamping described into one in the further processing for the lapping band This mode of lapping band is stretched in step processing and expands spacing between two protrusions in imprinted pattern, then is passed through This point is realized in the setting of lesser spacing between the protrusion of the coining geometry of second roller platen: described in use The lapping band of second roller platen coining is after further processing namely stretches on this position in the protrusion Between have it is a kind of with being capable of the previously given and desired comparable spacing of spacing.

Correspondingly, between the protrusion in imprinted pattern, more convex than the coining geometry in first roller platen The big spacing of spacing between rising causes the biggish spacing between the protrusion of the coining geometry of second roller platen. This angle can be used for groove rather than for the protrusion.

It is preferred that forming a kind of fit curves (Fit) by the deviation, which preferably depends on variable Second degree polynomial, wherein the variable is the continuous number constituted by and by the groove of arrangement and/or the quantity of protrusion, or Wherein the variable is groove and/or protrusion, relative to benchmark groove and/or the spacing of benchmark protrusion.

Other feature of the invention can be one from the specification and claim and attached drawing by embodiments of the present invention It rises and finds out.The combination of each feature or multiple features may be implemented by embodiments of the present invention.

Detailed description of the invention

The present invention is said referring to attached drawing by means of embodiment in the case where not limiting universal inventive concept below It is bright, wherein about it is all it is not explained in detail in explanatory note, please define by details of the invention referring to attached drawing.Attached drawing shows Out:

Fig. 1 is the schematic diagram of the filter manufacturing machine with the equipment for being processed to lapping band；

Fig. 2 is the schematic diagram by the interception part of imprinting apparatus of the invention；

Fig. 3 be another view of two roller platens from Fig. 2, schematically intercept part；

Fig. 4 is the sectional view of two a part by roller platen of the invention；

Fig. 5 is the schematic diagram by the section of filtering rod produced by the present invention；

Fig. 6 is from another by imprinting apparatus of the invention, interception part schematic diagram；

Fig. 7 is two other by roller platen of the invention, a part of sectional view；

Fig. 8 is the lapping band of expansion, schematic diagram compared with imprinting geometry；

Fig. 9 be a part of roller platen, for the schematical sectional view that the present invention will be described；And

Figure 10 is changed the schematical chart calculated for the spacing of protrusion or groove to roller platen.

In the accompanying drawings, corresponding component is equipped with identical appended drawing reference to corresponding identical or similar element in other words, The introduction being thus correspondingly not repeated.

Specific embodiment

Fig. 1 schematically show the tobacco industry, by filter manufacturing machine of the invention, filter manufacturing machine tool Have the filter tow draft machine 20 highly simplified shown, by of the invention for processed to lapping band, ratio As be inserted into the form of equipment 30 equipment and also highly simplified shown in filtering rod manufacturing machine 40.It is described come inherent filtration length Silk draft machine 20, treated filter tow 11 is by pressing lapping of the invention with processing unit (plant) in described Idler wheel 61 above the breadth of lapping band 33 guides, and is then threaded into or is put into the filtering rod manufacturing machine Enter funnel 41 in.

Lapping band 33 is from the outside in the insertion equipment or as an alternative from the insertion equipment 30 In, be guided first by idler wheel 60 on storage device unshowned and that such as may be reel or changing bobbins machine Purposes to lapping tensile force of belt regulating device 55, the lapping tensile force of belt regulating device is: with as constant as possible, energy Previously given pulling force is reached to convey the lapping band.Followed by the lapping tensile force of belt regulating device 55 Downstream connection a damping device 50, in the damping device such as with preferably with stabilizer admix water, such as Methyl cellulose Usually soak the lapping band 33.A heating device can be set in the upstream of the damping device 50 and/or downstream, use It is heated in the lapping band.The heating device such as can use heat radiation or can use heat herein Air.When methylcellulose is used as the additive being such as added in water, back to back coining is more stable.Wet processes are excellent Choosing so carries out, so that the lapping band 33 is in coining with 5 to 13 quality percentage points, 7 to 9 particularly preferred Quality percentage point and especially 8 quality percentage points humidity.The wet processes in Fig. 1 side from below into Row.Particularly preferably a kind of embodiment, the wet processes are from two sides, namely as the design of Fig. 1 in this embodiment The additional project of scheme is also carried out from top.

The lapping band by wetting is then conveyed to imprinting apparatus 36 by slewing rollers 60 along conveying direction 90. The imprinting apparatus 36 includes a roller platen 34 and a roller platen 35, they to be explained in detail further below.Thus preferably Realize the coining of the vertical axis for the lapping band, that is, a kind of embossing, the embossing is transverse to the package material A kind of waveform is shown in the section of the longitudinal axis of material strip.

In Fig. 1, be integrated with a heating device 56 in the imprinting apparatus 36, the heating device by means of heat radiation, For example infra-red radiation is come to especially further heating the lapping band.It can also be in one or two roller platens 34, heating device is set in 35.

At least one roller platen is that first roller platen 34 is equipped with an arrangement for deflecting 64 in Fig. 1, which exists A roller platen can be made to deviate another roller platen in the case where using coiling machine.Two arrangements for deflecting have been preferably provided with, One arrangement for deflecting 64 is respectively exactly set for each roller platen.The roller platen 34 and 35 can also side can be linearly moved Formula is arranged.It is directly located next to the imprinting apparatus 36, a drying device 51 is provided in downstream, by means of the drying device pair It is dried by the lapping band 33 of coining.It follows closely hereafter, a guiding mechanism 63 is provided in downstream, by means of the guiding Mechanism can carry out the guiding of side to the lapping band, for like this especially with respect to another lapping band 52 The position of side adjusts or controls the position of the side of the lapping band.

Then, the lapping band by coining is put into another lapping band 52 in the set frame 40 On, and then use the lapping band around the filtering in the formalism device in unshowned formalism device Long filament 11 is wound.

It is glued by means of sizer 54 to the lapping band 52 in adhesive side 53.Thus the packet is generated Wrap up in material strips 52 and the lapping band 33 by coining reliable connection.The lapping band 52 is by means of described Slewing rollers 62 correspondingly turn to.

Lapping band by being referred to as tension 65 in Fig. 1 as example answers setting for apparatus for adjusting force It sets, the lapping band that the processed lapping band 33 is adjusted before formalism entrance (Formateinlauf) is answered Power.In such an embodiment, provided with a kind of by power or the roller platen suspension of spring loading.It as an alternative can also be with A kind of power is set according to the design scheme of the lapping tensile force of belt regulating device 55 or dancer that torque is adjusted.? 1 to 20N, particularly preferred 2 are preferably abided by the region of the upstream of the imprinting apparatus 36 arrives 15N, it is then preferred that 3 arrive the packet of 10N Wrap up in material strips stress.In region between formalism entrance and the imprinting apparatus 36 in the strip device 40 processed, by In the tension 65 state as stressless as possible will be kept by the lapping band of coining.

As an alternative, also it can be stated that without wetting.The then damping device 50 and the heating device It can also cancel.For example it is particularly the case for the lapping band being made of cellulose fibre, can also not have The lapping band is deformed plastically accordingly by coining in the case where wetting and deforms it steadily.

Fig. 2 has schematically been shown ... in a side view the first roller platen 34 and the second roller platen 35 of the imprinting apparatus 36. The lapping band 33 is placed in the sphere of action of described two roller platens 34 and 35.

The roller platen 34 has imprinting area 72 to 75 with gap.Thus right in the upper surface of described lapping band 33 Corresponding region carries out coining and to other corresponding region without coining.These regions are accordingly alternately along conveying side Always it arranges.

The arrangement of the roller platen 34 and 35 is exchanged preferably with respect to arrangement shown in figure 2, that is to say, that institute State the lower section that roller platen 34 is then arranged in the roller platen 35.The roller platen 34 is therefore disposed on the lapping operation The lower section of track.

Fig. 3 with from the diagram in terms of the other side and more specifically in this case in Fig. 2 from left towards described two What a roller platen was seen diagrammatically shows the interception part of two roller platens 34 and 35 of Fig. 2.It can in first roller platen 34 It is not that coining makees the region 71 contributed so that the imprinting area 75 can be clearly seen with another.In the imprinting area 75 In, the roller platen be equipped with a kind of profile perhaps imprint the geometry profile or imprint geometry alternately have it is convex Rise and groove.The protrusion possesses radius r1 and the groove possesses radius r2.Five grooves are shown in total and six convex It rises.Second roller platen 35 is substantially complementary with the first coining roll shape, but second roller platen is entirely circumferentially With imprinting area, thus property very close to each other, with the other alternate imprinting area in region 71.It is also provided with herein Corresponding groove and protrusion, wherein the protrusion is with radius r4 and the groove has radius r3.The roller platen 34 Protrusion is fitted in the groove of the roller platen 35, and the protrusion of the inside of the exactly the opposite roller platen 35 be fitted to it is described In the groove of roller platen 34.

The protrusion of the outside of the roller platen 35 surrounds the protrusion of the outside of the roller platen 34 in such an embodiment, And shape more significantly, that is to say, that the radius r4 of the protrusion of the outside is greater than the inside in the roller platen 35 The radius r4 of protrusion in region.So arrange the side raised, relative to the roller platen 35 of the roller platen 34 Spacing, so that spacing is less than the thickness of the lapping band that be stamped between the lateral edge of the protrusion, thus institute It states lapping band to be clamped between these lateral edges, thus prevents the lapping band on the edge of the lapping band It pulls in the region of the inside of the roller platen.Thus more uniform coining effect is generated.Within the scope of the invention, may be used The roller platen 35 is interpreted as the first roller platen and the roller platen 34 is interpreted as top roller.

It can be found that the roller platen 34 and the roller platen 35 are so separated from each other, so that it is not contacted each other, it is used for It prevents from damaging the lapping band like this.It, can be correspondingly to this spacing by the selection for the lapping band It is adjusted.It is also seen that the divisor that used radius is not common, for the abrasion of the roller platen to be reduced to Bottom line.

Fig. 4 schematically respectively illustrates the sectional view of a part of the roller platen 34 and 35.34 He of roller platen 35 only show in circumferential area, namely in the region far from rotation axis.In this embodiment, the protrusion 44 and 44 ' and the slot 43 and 43 ' possess semicircular section respectively.The slot 43 is changed into the protrusion by lateral edge 47 44, and described raised 44 ' are changed into the slot 43 ' by lateral edge 47 '.The lateral edge 47 and 47 ' is radially disposed, that is, It says perpendicular to the rotation axis 31 or 32 schematically shown and arranges.The rotation axis such as also shows in Fig. 2 Out.

Furthermore vertical gap size 76 and horizontal gap size 76 ' is shown in FIG. 4, wherein the vertical seam Gap size 76 represents the spacing of described two roller platens 34 and 35, and the gap size 76 ' of the level be equivalent to it is described The spacing of lateral edge 47 and 47 '.The gap size 76 ' of the level should be less than the thickness of the lapping band that be stamped Degree.The coining geometry 42 of the roller platen 35 and the coining geometry 42 ' of the roller platen 34 also may be generically referred to as Profile is imprinted, the coining geometry so shows, thus the edge in the interior zone 45 of the roller platen 34 and 35 Vertical direction be provided with it is lesser protrusion and groove.In addition, external region 46 and 46 ' is correspondingly provided with, at these Protrusion described in external region and the structure of groove are more significant (ausgepr gter).The basis of the groove 43 is phase Same radius r3.Thus the radius r3 is identical in the range of all areas.But, described raised 44 in the outside Region 46 and 46 ' in possess the shape (Auspr gung) bigger than the protrusion 44 in the interior zone 45 of the roller 35. Therefore outmost four protrusions 44 correspondingly shape more significant than next two protrusions, and described next two Protrusion shapes more significant than the protrusion in the region 45 of the inside of the roller platen 35 again.The roller platen 34 correspondingly shows The groove 43 ' of the feature of shape complementation out, the roller platen 34 shapes more significant than the protrusion 44 of the roller platen 35.Cause It is shaped for the groove 43 of the roller platen 35 with identical degree, so the protrusion 44 ' of the roller platen 34 is also with same journey Degree forming, that is to say, that the radius r1 of the protrusion of the roller platen 34 keeps identical in the range of entire roller platen 34, and institute The radius r2 for stating roller platen 34 is then less than in the region in portion inside in external region.

When manufacturing so-called CV filter tip, package material is given by the roller platen with lesser groove each other closely Embossing is arranged in material strip, such as scraps of paper breadth.The scraps of paper or the lapping band picture ratio by coining by coining It is such as being between filter tow and filter tip coated papers in later product as shown in fig. 5.The warp The edge for crossing the lapping band of coining each other and is leaned on and is not overlapped mutually herein.For this reason, it should entire The lapping band is imprinted on width.At the center of the lapping band, by being in two sides in moulding process On coining tooth or stamping and crowing secure the above lapping band.Therefore entire lapping band can not be moved smoothly. It is brought into the lapping in imprint mold or coining geometry, and fibrous structure is during this It is plastically deformed.As a result, imprinted pattern make well and firm.But, in the lapping belt edge On, the lapping band can not be fixed for common roller platen by the lateral edge of side.Its consequence is the package Material strips are pulled into the imprint mold or roller platen.Thus the deformation of the plasticity may be shown unnoticeably Feature, because the lapping band restores to the original state.In order to be compensated to this effect, the roller platen according to the present invention such as This forming so that it is described coining tooth or the stamping and crowing or in general it is described protrusion the roller platen or extremely Than intermediate high on the two sides of a few roller platen, that is to say, that shape more significant.The height change or thickness of shape Variation can be carried out at this in one, two or more step.It is possible thereby in the coining tooth or stamping and crowing Total figure in constitute a kind of recessed shape.The top roller possesses the groove accordingly deeper constituted, so as to opposite in roller bottom Keep identical in the spacing of mating member.

Therefore, illustrate a kind of roller platen perhaps a kind of roller platen pair roller platen or roller platen pair according to the present invention There is the depth of indentation risen towards the edge of the roller platen.

Fig. 5 schematically shows the section of manufactured filtering rod.Filtering material 110 is by the lapping by coining Band 33 is surrounded, and the lapping band winds ground connection around the filtering material, to generate docking region 111. Lapping band 52 winds around the filtering material and is bonded together with the lapping band 33, the package material Material strip 52 is equivalent to the common lapping band in filtering rod.Between bonding place, that is to say, that in two lapping bands Between 33 and 52 contact position, it is correspondingly provided with ventilation gap or the ventilation zone of vertical axis.

Fig. 6 has schematically been shown ... in a side view a kind of some different embodiments, imprinting apparatus compared with Fig. 2 36 ' the first roller platen 34 ' and the second roller platen 35 '.The lapping band 33 is also placed in described two coinings herein In the sphere of action of roller 34 and 35.Compared with the roller platen of Fig. 2, the roller platen 34 ' and 35 ' of Fig. 6 all has embossed region with gap Domain 72 ' is to 75 '.This has the advantage that can carry out defined coining to the lapping band, and more specifically Especially also imprinted from the region by coining into the transitional region without the region of coining.

Fig. 7 respectively illustrates a part of the roller platen 34 and 35,34 He of roller platen with schematical sectional view 35 be configured to it is a bit different with the roller platen of Fig. 4.The roller platen 34 ' and 35 ' can also be shown in Fig. 7 herein.

Coining geometry 42 or 42 ' is accordingly illustrated herein, and the coining geometry can such as be referred to as Waveform.In internal region 45, the groove and the raised groove and protrusion for being equivalent to Fig. 4.Thus also herein partly Provided with bowed protrusion and groove.Now the coining geometry 42 or 42 with the coining geometry knot known from Fig. 4 The difference of structure is, two outmost grooves and two outmost protrusions are configured to different in section.That is, These grooves and protrusion in the region 46 or 46 ' of the outside be equipped with platform 48,48 ', wherein corresponding platform 48, The edge 49,49 ' by rounding is provided between 48 ' and the lateral edge 47,47 '.This is small by the radius at the edge of rounding In the protrusion in internal region 45 and on groove, from a lateral edge to the half of the transition region of another lateral edge Diameter.Thus more strong deformation is obtained in the lapping band.In such an embodiment, the protrusion and ditch of two outsides Slot also shapes more significant than in internal region 45, that is to say, that along radial direction radius or range of extension herein For it is described protrusion for than in the region 45 of the inside along it is described protrusion radial direction direction radius or stretching, extension Degree is big, and for the groove than the inside region, groove along radial direction radius or stretch The latitude of emulsion is small.

Fig. 8 schematically shows a kind of lapping band 52 of bending and shows a kind of equidistant pressure as comparing Print the coining geometry 42 of roller.The lapping band 52 is imprinted via equidistant roller platen 42.As dotted line It can be seen that in the lapping band 52, protrusion 94 and the groove or groove of appended drawing reference are not arranged.These protrusions Possess the protrusion and the different spacing of groove with the coining geometry 42 of the roller platen with groove.The especially described coining is several The center of the protrusion of what structure indicates with appended drawing reference 81, and the corresponding middle line of the protrusion of the lapping band is with attached Icon remembers 80 to indicate.These protrusions are substantially consistent at the center of the coining geometry 42 and are identified as benchmark Protrusion 91.The spacing of corresponding middle line 80 and 81 is towards a left side and changes to the right.This is based in further process Change.The lapping band 52 being stamped herein is a kind of lapping band, it is enclosed in the filter tip of finished product It places around filtering material and correspondingly bendingly shows in fig. 8.Thus it is related to a kind of packet of manufactured filter tip Wrap up in material strips, for the lapping band 70 spacing of the middle line by the manufacturing method of the filter tip with it is described The protrusion 81 of coining geometry 42 is compared and changes.

In order to inhibit this phenomenon or obtain uniform stamping structure, a kind of variation is provided with now according to the present invention Coining geometry.Fig. 9 is illustrated a kind of possible coining geometry as just implementation.Therein is shown one kind Roller platen 34, the roller platen have corresponding protrusion 44 and groove.Described raised 44, preferably from the center 81 of the protrusion to The spacing that the center 81 of adjacent protrusion measures is different.Corresponding spacing 84 and 85 is particularly illustrated, these spacing are each other It is different.This is related to the spacing of adjacent protrusion.But, the spacing of adjacent groove is such as indicated with appended drawing reference 82 and 83. These spacing may also be different from each other.It is recessed caused by manufactured lapping band or lapping band for Fig. 8 For slot structure, the coining geometry should be different with shown coining geometry in fig. 8.It herein should be as This designs described coining geometry, thus at the center of the roller platen there is desired spacing, and the protrusion And the spacing of the groove correspondingly change outward towards edge.To better illustrate problem, herein also from 1 to 10 continuously The protrusion is numbered, wherein having ignored further number for simplicity.

In order to calculate the protrusion or groove position or spacing, slip chart 8 base case it is equidistant The deviation of stamping structure measures the lapping band 52 of the practical manufacture of Fig. 8, spacing or spacing deviation now.Then It is shown other than described raised 8 by experiment curv 87 for corresponding raised 1,2,3 etc. in the embodiment in figure 10 Corresponding deviation, and adaptation processing (fitten) is carried out to it by second degree polynomial.It such as attempts to pass through the survey herein Second degree polynomial is arranged and in this case square error as small as possible is arranged in magnitude.Corresponding fit curves 88 exist It has been shown in FIG. 10 in this embodiment.The deviation for deviateing equidistant spacing is shown with R herein.X is the protrusion Number, that is, 1,2,3,4 etc..Use formula

Good fit curves 88 are generated about the numerical value 87 being shown in FIG. 10 there.The error set that will thus calculate It uses in the manufacture of roller platen, to generate corresponding groove spacing.Thus pass through institute in the coining of the lapping band State roller platen or the imprinting apparatus generation change in advance, it is described it is pre- change by such as manufacture the tobacco industry filter tip When be further processed to remove, thus on the circumference of the filter tip generate protrusion and groove uniform distributed effect.

It can be seen from fig. 10 that the right and the left side of the protrusion first in the roller platen are by described raised 1 Spacing to 4 improves about the 0.1 of the equidistant spacing.Described raised 6 substantially possess previously selected spacing, also It is the equidistant spacing.Described raised 7 and 8 be arranged to each other it is even closer.

All features mentioned, also include the feature only learnt from attached drawing and it is single with other features Feature disclosed in combination is all considered as feature important for purposes of the invention individually and in combination.By implementation of the invention Mode can be realized by the combination of each feature or multiple features.Within the scope of the invention, with " especially " or " excellent Feature of the choosing " to identify should be understood that optional feature.

Reference signs list:

The number of 1-10 protrusion

11 filter tow items

20 filter tow draft machines

30 insertion equipment

31 rotation axis

32 rotation axis

33 lapping bands

34,34 ' first roller platen

35,35 ' second roller platen

36,36 ' imprinting apparatus

40 filtering rod manufacturing machines

41 enter funnel

42,42 ' coining geometry

43,43 ' groove

44,44 ' protrusion

Region inside 45

46,46 ' external region

47,47 ' lateral edge

48,48 ' platform

49,49 ' pass through rounding edge

50 damping devices

51 drying devices

52 lapping bands

53 paste side

54 sizers

55 lapping tensile force of belt regulating devices

56 heating devices

60 slewing rollers

61 slewing rollers

62 slewing rollers

63 guiding mechanisms

64 arrangements for deflecting

65 tensions

71 other regions

72,72 ' imprinting area

73,73 ' imprinting area

74,74 ' imprinting area

75,75 ' imprinting area

76 vertical gap sizes

76 ' horizontal gap sizes

The middle line of the protrusion of 80 lapping bands

The center of 81 protrusions

82 first spacing

83 second spacing

84 third spacing

85 the 4th spacing

The center of 86 grooves

87 measured values

88 fit curves

The conveying direction of 90 vertical axis

91 benchmark protrusion

The protrusion of 94 lapping bands

100 conveying directions

110 filtering materials

111 docking regions

R1, r2, r3, r4 radius

Claims

1. the coining dress of pair equipment (30) processed for the lapping band (33,52) of the bar form articles of the tobacco industry The roller platen of (36,36 ') is set, wherein by means of described during vertical axis conveys lapping band (33,52) Imprinting apparatus (36,36 ') can imprint the lapping band (33,52), wherein the roller platen has at least partly ring Around coining geometry (42,42 '), wherein the coining geometry (42,42 ') of the roller platen alternately have along institute State the groove (43,43 ') and protrusion (44,44 ') that the circumferencial direction of roller platen extends, which is characterized in that at least two is adjacent The first spacing (82) of groove (43,43 ') is different from the second spacing of at least two other adjacent grooves (43,43 ') (83) and/or the third spacing (84) of at least two adjacent protrusions (44,44 ') is different from least two other phases 4th spacing (85) of adjacent protrusion (44,44 '), wherein at least one are in the first of coining geometry (42,42 ') Or groove (43,43 ') in the region (46,46 ') outside second and/or raised (44,44 ') are than in the coining geometry knot Groove (43,43 ') and/or raised (44,44 ') in the region (45) of the inside of structure (42,42 ') shape more significant, In be that the groove (43,43 ') are provided with the curve of the first envelope and/or are provided with for raised (44,44 ') The curve of the curve of two kinds of envelopes, the envelope is at least partly parabola shaped.

2. roller platen (34,35) according to claim 1, which is characterized in that first spacing (82), the second spacing (83), third spacing (84) and the 4th spacing (85) are by being added to this mode in an average spacing for obtained numerical value It is next previously given, wherein obtained numerical value is determined by second degree polynomial, wherein the multinomial has variable, the variable It is equivalent to a number (1- that is continuous, constituting by and by the groove (43,43 ') of arrangement and/or the quantity of raised (44,44 ') 10).

3. roller platen according to claim 1, which is characterized in that on the two sides of coining geometry (42,42 '), Outmost groove (43,43 ') and/or outmost raised (44,44 ') are formed separately more significant.

4. roller platen according to claim 1, which is characterized in that at least two and be arranged in outside the first or second by ground Groove (43,43 ') and/or raised (44,44 ') in region (46,46 ') equally shape significantly.

5. roller platen according to claim 1, which is characterized in that the groove (43,43 ') and/or it is described protrusion (44, It 44 ') is at least partly round in section.

6. roller platen according to claim 1, which is characterized in that groove (43,43 ') with correspondingly with groove (43,43 ') Lateral edge (47,47 ') between adjacent protrusion (44,44 ') is radially arranged.

7. roller platen according to claim 1, which is characterized in that the region of the outside in coining geometry (42,42 ') In groove (43,43 ') and/raised (44,44 ') be equipped with platform (48,48 ') between its lateral edge (47,47 '), wherein in institute State the edge (49,49 ') being provided between platform (48,48 ') and the lateral edge (47,47 ') by rounding.

8. having the imprinting apparatus (36) by roller platen described in any one of claims 1 to 7, which provided the first coinings Roller (35) and the second roller platen (34), wherein second roller platen (34) is complementary with the first roller platen (35) shape, wherein Gap size (76 ') provided with the lateral edge (47,47 ') between the groove (43,43 ') and raised (44,44 '), The gap size is less than the thickness of the lapping band (33).

9. imprinting apparatus (36,36 ') according to claim 8, which is characterized in that in the protrusion of first roller platen (35) (44) horizontal gap size (76 ') between the groove (43 ') of side and second roller platen (34) and described the Horizontal gap between the other side of the protrusion (44) of one roller platen (35) and the groove (43 ') of second roller platen (34) Size is different.

10. imprinting apparatus (36,36 ') according to claim 8, which is characterized in that in the region (46) outside first It is horizontal between the side of the protrusion (44) of first roller platen (35) and the groove (43 ') of second roller platen (34) Gap size (76 ') is equivalent in the region (46 ') outside second in pair of the protrusion (44) of first roller platen (35) Horizontal gap size (76 ') between the groove (43 ') of the side and second roller platen (34) set.

11. imprinting apparatus (36,36 ') according to claim 8, which is characterized in that first roller platen and the second coining The spacing (76) of roller can be adjusted.

12. pair equipment (30) processed for the lapping band (33,52) of the bar form articles of the tobacco industry, wherein setting Set by imprinting apparatus described in any one of claim 8 to 11 (36), vertical axis convey the lapping band (33, 52) the lapping band (33,52) can be imprinted by means of the imprinting apparatus during.

13. being processed for constructing or manufacturing to the lapping band (33,52) of the bar form articles of the tobacco industry The method of the second roller platen (34) of the imprinting apparatus (36,36 ') of equipment, this method have following methods step:

The lapping band (33,52) is imprinted with the first roller platen (35)；

The bar form articles of the tobacco industry will be further processed by the lapping band (33,52) of coining；

By the imprinted pattern of the lapping band (33,52) and first roller platen after manufacturing the bar form articles (35) coining geometry (42,42 ') is compared, wherein the lapping band (33,52) imprinted pattern, phase For on the basis of the deviation of the coining geometry (42,42 ') of first roller platen (35) to the second roller platen (34) Coining geometry (42,42 ') is adjusted.

14. method according to claim 13, which is characterized in that first and second roller platen is equivalent to by claim Roller platen described in any one of 1 to 7.

15. method according to claim 13, which is characterized in that between the protrusion (94) in imprinted pattern, than in institute The big spacing of the spacing between the protrusion (44,44 ') of the coining geometry (42,42 ') of the first roller platen (35) is stated to cause Lesser spacing between the protrusion (44,44 ') of the coining geometry (42,42 ') of second roller platen (34).

16. method according to claim 13, which is characterized in that a kind of fit curves (88) are formed by the deviation, And the deviation set thus calculated is used in the manufacture of roller platen, to generate corresponding groove spacing.

17. method according to claim 16, which is characterized in that the fit curves be depending on variable second level it is multinomial Formula, wherein the variable be constituted by and by the groove (43,43 ') of arrangement and/or the quantity of raised (44,44 ') it is continuous It numbers (1-10), or wherein the variable is groove (43,43 ') and/or protrusion (44,44 '), relative to benchmark groove And/or the spacing of benchmark raised (91).