CN1163228A - Suction conveyer - Google Patents
Suction conveyer Download PDFInfo
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- CN1163228A CN1163228A CN 97103727 CN97103727A CN1163228A CN 1163228 A CN1163228 A CN 1163228A CN 97103727 CN97103727 CN 97103727 CN 97103727 A CN97103727 A CN 97103727A CN 1163228 A CN1163228 A CN 1163228A
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- 241000254032 Acrididae Species 0.000 claims description 2
- 238000000605 extraction Methods 0.000 claims 1
- 238000005086 pumping Methods 0.000 abstract 3
- 230000000875 corresponding effect Effects 0.000 description 13
- 230000008520 organization Effects 0.000 description 6
- 238000005755 formation reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000007639 printing Methods 0.000 description 3
- 230000035611 feeding Effects 0.000 description 2
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- 230000009467 reduction Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
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Abstract
Disclosed is a pumping delivery device, including at least one endless belt, a working section, a bracket with a bearing surface for supporting the working section and a pumping cavity device which is communicated with at one pump-out slot; the pumping cavity device is provided with an inner cavity of a channel extending along the delivery direction. The inner cavity is provided with channel flanks formed by the bracket and the working section, wherein, a channel flank facing the paper is at least partly opened, with other channel flanks closed till to the pump-out slot.
Description
The present invention relates to a suction conveyer that is used for conveyance of sheets, it has at least one transportation work section of moving at throughput direction on request, placing paper on it, also have a support and have the supporting door that supports at least one active section and have a suction chamber device that is communicated with at least one pump orifice, it produces a paper with placement by a negative pressure that wherein occupies by operating needs and is expressed to the confining force on the active section and applies a throttling action on a suction air flow mobile by pump orifice.
The suction conveyer of this form is known in patent documentation DD247433A1.In order to use this suction conveyer, the paper of placing on it is guaranteed that a failure-free carries then essential high relatively bed knife, with this so that paper be expressed on the transportation work section.This point so realizes in known technology,, is being embedded in the suction dish of settling successively on the throughput direction that opens wide in the area supported of the medial surface of transportation work section that is, and they interconnect by throttling passage or cutoff port.
This with the suction dish by embed in the areal of support throttling passage and in the bonded assembly organization plan, suction dish and throttling passage on throughput direction, alternate repeatedly according to their number.Therefore, when the transportation work section for example made the arris of the heel of paper pass through support, then said fixing can produce a unexpected swing.About this point, the bed knife of maximum possible is created in the preceding arris of paper and the zone that the back experiences between the arris and only when this running state, that is, equal under the pump orifice diameter situation state that pump orifice overlaps with the suction dish at the diameter of suction dish basically.But this running state only occurred over just in the of short duration especially time; And under known suction conveyer was given geometry situation, along with the operative condition frequency of the belt velocity correlation of paper and alternation, wherein, confining force dropped to a minimum value and rises to alleged maxim again.Therefore, task of the present invention is, improves the suction conveyer of a above-mentioned type, and it can reduce adverse effect to confining force to realize the guiding of a failure-free to institute's conveyance of sheets.
Stipulate for solving this task, the inner chamber that it is passage that the suction chamber device has a form, it extends on throughput direction, and have a passage side that constitutes with support and at least one active section, one of them passage side facing to corresponding paper be at least part open wide with remaining passage side all be osed top except at least one pump orifice.
Even suction conveyer of the present invention is realized a stable confining force under by the streams of sheets situation of the paging of its conveying and be implemented on the corresponding paper a stable confining force during being capped by one page list paper suction chamber device also like this when sheet-fed is carried at one.
A passage begins organization plan that the opposite sense at throughput direction extends from pump orifice, under the situation that pump orifice is capped, even also can produce the confining force of an improvement with respect to known suction conveyer in a zone of a sheet-fed heel arris time.Cause this reason to be, a circulation takes place in the root arris behind the paper, because its arris wants leading to cross this suction chamber device when carrying out paper sheet delivery by the transportation work section.
Streaming that this is alleged is consequent, promptly forces to form a flow direction that flows and have the sensing of active section y direction from the air of the surrounding environment of paper suction in passage.Therefore, this streams the mode that turns to suction air flow at least 90 ° turnover takes place.But this point causes a relative ambient pressure will hang down a pressure differential pressure in the belt speed with active section passage area that move along passage and corresponding to the heel arris.This pressure reduction, according to the geometric configuration of passage how many bigger quantity that always descend under the condition of remaining fixed sturcture of aspirator, simultaneously, the heel arris of paper moves towards pump orifice.
This suction conveyer, be to be applied to especially under the belt speed conditions of same form at least one transportation work section, with the front sign of the sheet feeder of a single paper press of the paper guiding of a paging type streams of sheets that extracts from pile.Have under the operating condition that at least one active section is multi-form belt speed at suction conveyer, it is particularly suitable for being applied in the paper feeder of this machine as the paper brake equipment.Application in this paper feeder can also following mode be implemented, promptly, utilize the chance of the perdurability at least one machine run cycle, replace multi-form running and a running with belt speed of same form is set, wherein, it is consistent with that speed, and by it, paper is by the machine leading.Therefore, can be in an advantageous manner sometimes at least one page paper see off by a pile that paper constituted that in paper feeder, before had been braked as the test specimen paper.
Provided the preferred embodiments of the present invention and application mode in the dependent claims, done to explain in detail by accompanying drawing below.
Fig. 1 is local sketch of suction conveyer of the present invention and partial longitudinal section;
Fig. 2 be paper during along the diverse location of passage along the pressure reduction of one page paper qualitative sketch that distributes;
Fig. 3 is the local figure of the embodiment of suction conveyer, wherein, with throughput direction an other same structure part is set transversely on first passage;
Fig. 4 is the local figure of another embodiment of suction conveyer, wherein on lateral spacing ground the transportation work section is set, and between them, constitutes an open section, and it belongs to towards the passage side of one page placement paper sensing;
Fig. 5 is the local figure of another embodiment of suction conveyer, and wherein, this passage has a channel bottom that comprises suction opening that constitutes by area supported and side direction and limits by the transportation work section of space;
Fig. 6 is the local figure of another embodiment, and wherein, this passage is limited by channel part, and constitutes by the groove facing to this areal of support of area supported and transportation work section;
Fig. 7 is one and the cooresponding organization plan figure of Fig. 1 describing mode, wherein, the suction chamber structure is connected with two suction openings, wherein, a pump orifice is placed in respectively on the respective end of passage, and has the paper that one page places and be in its motion stage on the transportation work section;
Fig. 8 is according to the organization plan of Fig. 7 and has the paper of one page at another motion stage;
Fig. 9 describes the portion's section that comprises a sheet feeder of a rotary press with sketch; Wherein, suction conveyer of sheet feeder equipment;
Figure 10 describes portion's section that one of rotary press comprises sheet feeder with sketch, and wherein, sheet feeder is provided with suction conveyer;
The suction conveyer embodiment that describes in Fig. 1 comprises that independent on-cycle is smooth and is with 1, a driven roller 2 and slewing rollers 3, it rotates on the rotation direction of representing with rotation arrow 4 according to operating needs, therefore, detouring and be positioned at the part that part above driven roller 2 and the slewing rollers 3 constitutes above a transportation work driven roller 2 and the slewing rollers 3 with it in Fig. 1 by operating needs with 1 constitutes a transportation work section 5, and it is the throughput direction motion to represent with the directional arrow 6 that goes in ring during going in ring.One page can be in a delivery phase placing what describe with the page 7 that is transferred on the transportation work section 5, and wherein, the heel arris of page 7 has been on the active section 5.Between driven roller 2 and slewing rollers 3, settle a support 8.Constitute an area supported 9 facing to active section 5 on it, its inboard that is transferred active section 5 slips over.This support 8 and the suction chamber device 11 of active section 5 common formations that slips over areal of support 9.It has the inner chamber of the passage of finding out 16 forms in Fig. 1, it as one man extends on throughput direction and around directional arrow 6.
The passage side facing to page 7 of passage 16 is constituted by the transportation work section 5 with 1 in this example, its (1) throughput direction transversely with passage on 16 take and have a suction opening 14 that communicates with passage 16 inner chambers, therefore, this channel side is partly opened wide.Remaining channel side is osed top outside pump orifice 13 and constitutes by a groove that embeds in areal of support 9 in this example.
Above-mentioned implication with 1 structure and be configured in the part suction conveyer of describing among Fig. 3 of not placing page 7 and can obviously find out, wherein, portion's section of Qu Chuing is not in the zone of pump orifice 13 herein.Certainly the embodiment that herein relates to is, transversely is provided with another passage 16 ' and be identical version on passage 16 and with throughput direction; Also be provided with one have pump orifice 14 and jointly with the transportation work section 5 of passage 16 and 16 ' take in the horizontal.
This passage 16 and 16 ' have the cross-sectional plane of a slot 17 and 17 ' form, it has a slot height h between channel bottom 16.1 and 16 ' .1 and transportation work section, its than passage 16 and 16 ' little many times of width.These sizes are so selected, that is, passage 16 and 16 ' be arranged to is used for suction air flow by pump orifice 13 as restriction portion.
Describing in Fig. 3 shown about passage 16 and 16 ' basic structure and corresponding to an embodiment, but and do not require the passage 16 and 16 ' necessary full-size(d) ratio that is provided as described restriction portion that has been given.This point also is suitable for for other accompanying drawing.
The about 800g/m of gram proportion (Grammatur) at a paper 7
2The time, prove meet purpose be, a passage 16 and 16 ' in a suction current from 4.000 to 6.000 standard liter/per seconds are set, and to select a passage width to be about 8mm and slot height h be 1 to 2mm.
For show passage 16 and 16 ', the slot 17 and 17 ' usefulness long and short dash line that constitutes its cross-sectional plane is as boundary line and shade line.
As finding out in addition from Fig. 1, these pump orifice 13 one of feedings show in the passage side of channel bottom 16.1, and are connected with a negative pressure source 18 by a suction channel 12.At suction chamber device 11, that is in passage 16, produce and meet under the negative pressure condition of operating needs, this negative pressure will apply by the opening 14 that is provided with in active section 5 and act on a paper of correspondingly placing 7 and produce a confining force thereon on active section 5, and it presses to active section 5 with paper.Simultaneously, constitute this active section 5 be with 1 go in ring completely during, a transportation work section 5 that is provided with pump orifice 14 all is spendable, at this moment, this is provided with opening 14 with 1 with not being both along its whole length of providing of Fig. 1.
In the embodiment of Fig. 4, two respectively according to the transportation work section 5 of Fig. 1 operation ' settle and synchronized operation with lateral spacing mutually, their common again and support 8 ' suction chamber devices 11 of formations ' and, its inner chamber is just said formation passage 16 than the implication of explanation ".Show that passage 16 " slot 17 of cross-sectional plane " is made the surrounding edge boundary line with long and short dash line again and shade line are described.This cross-sectional plane, except spacing a by two active sections 5 ' put up, therefore, facing to be positioned over active section 5 ' on the channel side face portion of paper 7 (not shown herein) open wide.Remaining is except opening 13 ' and osed top passage side is formed by a groove that embeds area supported 9 herein, and it constitutes a channel bottom 16 especially " 1, wherein, feed this with the pump orifice 13 of suction channel 12 ' be communicated with '.The negative pressure that occupies in suction chamber 11 by operating needs in the embodiment of Fig. 1 and 3 applies on the paper of placing 7 that is applied to it by the pump orifice 14 on the active section 5 of locality, and according to the embodiment of Fig. 4 suction chamber 11 ' situation under, above-mentioned effect realizes by the slit-widths consistent with spacing a between two active sections 5 that then this slot is along passage 16 simultaneously " extends.
In the embodiment of Fig. 5, show again two respectively according to the transportation work section 5 of Fig. 1 operation " and with mutual spacing a ' arrangement and synchronized operation.They and support 8 " constitute a suction chamber device 11 " jointly, its inner chamber forms passage 16 thus, wherein, facing to being positioned over active section 5 " on the passage side of page 7 be that part is opened wide unlike previously described embodiment, but open wide fully." for example only have a circular cross section and constitute osed top side path side, simultaneously, one comprises that pump orifice 13 " and all the other osed top channel bottom 16 " .1 is that a part by supporting south 9 forms for herein, this transportation work section 5.As at aforesaid embodiment, a suction channel 12 " with pump orifice 13 " feeds among this channel bottom 16 .1.But, this point is not compulsory especially in such an embodiment, wherein, is to constitute by a groove that embeds in areal of support until the passage side that pump orifice all opens wide, there, pump orifice for example can also feed limit channel side to the passage side in.
In the embodiment of Fig. 5, the slot height h ' of passage 16 is by circular cross section active section 5 herein " diameter determine that simultaneously, the width b ' of passage 16 this be on its narrowest position consistent with spacing a '.
Under the embodiment situation that Fig. 6 describes, areal of support 9 constitutes a channel bottom 16 " " .1, wherein feeds pump orifice 13 .5 are corresponding with Fig. 1 for this transportation work section, are that by supporting support 8 go up leading and running on the areal of support 9 that constitutes.With Fig. 1,3 are with 4 the different of embodiment, transportation work section 5 " on be provided with one constitute passage 16 " " groove.This groove faces toward channel bottom 16 " " .1 and extends on throughput direction.Being transportation work section 5 on the contrary opposed to each other and being provided with pump orifice 14 with this channel bottom 16 " " .1, therefore, is again that part is opened wide facing to the passage side that is positioned over the page 7 on active section 5 .Remaining until pump orifice 13 osed top passage sides are parts on support 8 with passage at the bottom of the form of 16 " " .1 constitute and part passage side form with side direction on transportation work section 5 constitute, define the groove that in active section 5 , is provided with on their side direction.
Selected in the above-described embodiment cross-sectional form and respectively by in support or the passage that constitutes in the transportation work section be not enforceable.What play a decisive role only is that a corresponding passage applies a throttling action on a suction air flow by pump orifice.
Best, the respective channel of the foregoing description has at least one osed top end face side and this at least one corresponding pump orifice is placed on the end of respective channel.
The organization plan of this form is described in Fig. 1 especially.Herein, pump orifice 13 is placed on the end of passage 16 like this, and promptly this passage 16 begins to extend on the contrary with throughput direction from this pump orifice; Particularly has an osed top end side surface with corresponding passage 16 ends that are provided with of this pump orifice.
When paper 7 was in the instantaneous position of Fig. 1, the part that one of passage side that this paper 7 will open wide facing to (herein owing to be provided with in active section 5 pump orifice 14) part of page 7 part promptly begins to be positioned at the upstream from arris thereafter discharged and is covered with pump orifice 13.This paper 7 " is sent ".Under this state, when being communicated with negative pressure source 18 according to operating needs pump orifice 13, the alleged back arris of paper 7 can produce circulation described above and be formed on suction air flow in the feeding pump orifice 13 that occupies in the passage 16.
Unessential herein is that the passage side that faces toward paper 7 is that partly open wide or that open wide fully and belongs to the passage situation that constitutes in the previous embodiment.But what play advantageous effect on the formation of described suction air flow is, with passage 16 end side surface of pump orifice 13 direct neighbors are osed tops.
The mode of action of suction conveyer of the present invention is illustrated in Fig. 2 curve by subordinate under the embodiment of Fig. 1 situation.Wherein abscissa represents that the development length of transportation work section 5 and passage 16 and ordinate are illustrated in the negative pressure Δ P in the restriction portion that is made of slot shape passage 16, simultaneously, the paper sheet delivery of describing in Fig. 1 in the stage owing to the negative pressure that occupies in suction channel 12 by operating needs, regulated by described suction air flow.The reason that this suction air flow causes be pump orifice 13 and paper 7 back arris at that time and between the spacing 22 of pump orifice 13 by in passage 16, occupy and with the curve 21 qualitative negative pressure drop that show.This negative pressure Δ PI that is in alleged spacing adjusted causes by streaming of arris behind the paper described above.
Under situation about passage 16 being covered fully by paper 7, what use curve 23 qualitative representations among Fig. 2 of generation in passage 16 is the negative pressure Δ P2 of constant along passage 16.Wherein, this negative pressure Δ P2 is greater than cover under the situation of passage 16 the negative pressure Δ P0 that occupies in pump orifice 13 zones in paper 7 parts.
In the organization plan of Fig. 7 and Fig. 8 description, the support 8 " " that constitutes areal of support 9 is formed by a suction box structure.It comprises two transportation work section 5 " " vertically on the suction box 8.1 and 8.2 settled successively, respectively connect a suction channel 12.1 and 12.2 on it.The passage side that faces toward the passage 16 of paper 7 is made of active section 5 " ", and it is provided with pump orifice 14.This passage side is again the type that part is opened wide.Remaining channel side face comprises that the end side surface of passage 160 is osed top by a groove formation that embeds and until two pump orifices 13.1 and 13.2 again in areal of support 9, and wherein, a pump orifice corresponds respectively to a respective end setting of passage 160; Corresponding thus suction box 8.1 is connected with passage 160 with 8.2 inner chamber.
The effect of the suction conveyer of describing by Fig. 2 above, according to the frame mode of Fig. 7 and Fig. 8 and the paper 7 that in Fig. 8, provides with respect to the position of active section 5 " " or adjusted by the situation that paper 7 covers fully at passage 160.
In the stage of in Fig. 7, describing, go up the paper of placing 7 at active section 5 " ", will be facing to paper 7 and because pump orifice 14 and one of passage side that part is opened wide part that is the part from its preceding arris start bit in the downstream discharge and be covered with pump orifice 13.1, begin thus, this passage 160 as one man extends with belt directional arrow 6 on throughput direction.This paper " is sent into (lauftauf) " under the negative pressure condition that occupies by operating needs in suction socket 13.1, in passage 160, produce one and above the corresponding to state of the pressure condition in passage 16 described among Fig. 2, simultaneously, only be the suction air flow directed in opposite, the preceding arris of paper 7 streams in the manner described before.
Under the stage of in Fig. 7, describing (paper 7 " the is sent into ") situation, negative pressure in suction socket 12.2, with regard to produce a confining force on paper 7 with regard to is out-of-action, and same, this also is applicable to the stage corresponding to pump orifice 13.1 places (paper " is sent ") that Fig. 8 describes.A corresponding effect occurs in this constantly, and wherein, corresponding pump orifice 13.1 or 13.2 is covered by paper 7.
Thus, this pump orifice 13.1 preferably can be connected with a negative pressure source 18 with 13.2 with being independent of each other.In the embodiment that Fig. 7 and 8 describes, this point is so to realize, promptly one with pump orifice 13.1 with 13.2 respectively the suction channels 12.1 of connection be connected with negative pressure source by a valve 24 respectively with 12.2.Preferably by the stage like this Be Controlled of the control setup of not describing according to Fig. 7 and 8 descriptions, that is, always that pump orifice 13.1 or 13.2 is applied in negative pressure to this valve 24, and wherein, this negative pressure plays a role in order to produce a bed knife on paper 7.
A preferred embodiment of above-mentioned suction conveyer has been described in Fig. 9.Machine as handling of paper for example is provided with a rotary press herein, wherein, represents that printing unit 100 and one are the sheet feeder 101 of its conveyance of sheets 7.Distribute single paper and it is transferred to herein on the transportation work section 105 with 104 suction conveyers that mark of this sheet feeder 101 constitutes paper 7 by operating needs by a paper separating device 102 from paper 7 pile 103.It is transported to individual sheets 7 on the grass-hopper 106 again.It comprises in this example one paper process in the cycle in mounting table and place between the drum toward and return the grippers that gives of swing, it will locate on the mounting table and catch and hand to one at the paper 7 at its arris place and placing in the paper-transferring tooth system that is provided with on the drum.
Another preferred application mode has been described in Figure 10.Relate to equally herein in the printer of handling of paper and to use collectivity mark 104 ' be suction conveyer.Wherein, sketch is described a printing unit 108 of working and one bonded assembly paper feeder 109 on it in offset printing method.It comprises one its be paper feeder 110 chain delivery cycle version and the capable paper-transferring tooth system 111 of band, it by operating needs with paper 7 from the roller platen 112 of printing unit 108 catch and with machine speed hand to the suction conveyer 104 that sketch describes ' active section 105 ' on.This suction conveyer 104 ' be placed in regard to the throughput direction of paper 7 is placed the upstream of pile 113 simultaneously, and after its paper-transferring tooth system 111 discharges, continues to transport this paper 7 with transportation work section 105 ' speed of selecting.This velocity variations can so be selected, be that paper 7 is decelerated on the placement speed in first situation of machine speed, according to this, be transferred to and place on the pile 113, simultaneously, when second kind of situation, paper then can be crossed placement pile 113 and be sent to a sample paper lay down location of not describing.
Claims (16)
1, the suction conveyer of conveyance of sheets (7) have at least one by motion requirements transportation work section of throughput direction motion (5,5 ', 5 "; 5 , 5 " ", 105; 105 '), can place paper (7) on it, in addition support (8; 8 ', 8 ", 8 , 8 " ") and have this at least one transportation work section of supporting (5,5 ', 5 "; 5 , 5 " ", 105; 105 ') area supported (9) and one and at least one pump orifice (13,13 ', 13 ", 13 , 13.1,13.2) the suction chamber device (11 that is communicated with, 11 ', 11 ", 11 ); it by a negative pressure that wherein occupies by operating needs produce one to be placed on active section (5,5 ', 5 ", 5 , 105,105 ') on paper (7) extruding confining force and at one through pump orifice (13,13 ', 13 ", 13 , 13.1; 13.2) apply a throttling action on the suction air flow that flows, it is characterized in that:
This suction chamber device (11,11 ', 11 "; 11 ) have a passage (16,16 ', 16 ", 16 , 16 " ", 160) inner chamber of form, it extends on throughput direction, and have by support (8,8 ', 8 ", 8 , 8 " ") and at least one transportation work section (5; 5 ', 5 ", 5 , 5 " ", 105,105 ') the passage side that constitutes, wherein, one facing to corresponding passage side of placing paper (7) be at least part open wide with remaining passage side except at least one pump orifice (13,13 ', 13 ", 13 , 13 ; 13.1,13.2) be osed top in addition.
2, by the described suction conveyer of claim 1, it is characterized in that:
Transversely relative passage with throughput direction (16) is provided with at least one other passage with same structure form (16 ').
3, by the described suction conveyer of claim 1, it is characterized in that:
Should by one the transportation work section (5,5 ) that transversely take and that have pump orifice (14) of suction chamber device (11,11 ) at throughput direction be constituted to the passage side that small part is opened wide.
4, by the described suction conveyer of claim 2, it is characterized in that:
At least one of first passage (16) passage side to small part is opened wide second and become transversely arranged passage (16 ') with throughput direction constitutes by a transportation work section (5) that transversely jointly it is taken and that be provided with pump orifice (14) at throughput direction.
5, by the described suction conveyer of claim 1, it is characterized in that: at least a portion towards the passage side that the paper (7) of corresponding placement points to be positioned at first active section (5 ') and press operating needs with second active section of its associated movement (5 ') between, this relative first active section of second active section (5 ') (5 ') passes through a lateral spacing (a) arrangement.
6, by the described suction conveyer of claim 1, it is characterized in that: until pump orifice (13,13 ', 13.1,13.2) and osed top passage side constitutes by the groove in the areal of support (9) of an embedding support (8,8 ', 8 " ").
7, by the described suction conveyer of claim 1, it is characterized in that: this passage (16 ) have one that constitute with areal of support (9) and comprise pump orifice (13 "); channel bottom (16 .1); and limit by first active section (5 ") with its second active section (5 ") institute of press the operating needs associated movement on side direction, (5 ") are passed through a lateral spacing (a ') placement for itself and first active section.
8, by the described suction conveyer of claim 1, it is characterized in that: channel bottom (16 " " .1 who comprises pump orifice (13 ) areal of support (9) formation passage (16 " ")); Transportation work section (5 ) has a tool facing to channel bottom (16 " " .1) and the groove that on throughput direction, extends and be provided with and channel bottom (16 " " .1) opposite opposed pump orifice (14).
9, by the described suction conveyer of claim 1, it is characterized in that: this passage (16,160) has at least one osed top end side surface.
10,, it is characterized in that by the described suction conveyer of claim 1: at least one pump orifice (13,13 ', 13 ", 13 , 13.1,13.2) be placed in passage (16,16 ', 16 ", 16 , 16 " ", 160) a corresponding end on.
11, by the described suction conveyer of claim 1, it is characterized in that: passage (160) is communicated with two pump orifices (13.1 and 13.2); Wherein, each is placed in respectively on the corresponding end of passage (160).
12, by the described suction conveyer of claim 1, it is characterized in that: what two pump orifices (13.1,13.2) can be separate is connected with a negative pressure source (18).
13, by one or more described suction conveyer of claim 1 to 12, it is characterized in that:
At least one transportation work section (5,5 ', 5 ", 5 , 5 " ", 105,105 ') go in ring with same form by the motion requirement.
14, by one or more described suction conveyer of claim 1 to 12, it is characterized in that:
At least one active section (5,5 ', 5 ", 5 , 5 " ", 105,105 ') go in ring with multi-form by the motion requirement.
15, by claim 1 to 12 described suction conveyer one of at least, it is characterized in that:
The application in paper (7) processing machine of a this form, this machine has a sheet feeder (101), and the paper (7) that it will be divided into the single page extraction with the pile (103) that a disengagement gear (102) constitutes from a paper (7) is transferred at least one transportation work section (105) by operating needs; This suction conveyer (104) is transported to paper (7) on the grass-hopper (106) of printer.
16, by claim 1 to 12 described suction conveyer one of at least, it is characterized in that:
A this form at one with the application in the printer of paper feeder (109) handling of paper (7); Its (109) is transferred to the paper of handling (7) on the active section (5 ') of suction conveyer (104 ') by a paper feeder (110) according to operating needs with machine speed, this suction conveyer is placed in the upstream of paper feeder pile (113) of the throughput direction of relative paper (7); This suction conveyer continues the velocity curve of paper (7) with the active section (105 ') of a selection to carry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97103727 CN1163228A (en) | 1996-03-28 | 1997-03-28 | Suction conveyer |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19612301.1 | 1996-03-28 | ||
| DE19649824.4 | 1996-12-02 | ||
| CN 97103727 CN1163228A (en) | 1996-03-28 | 1997-03-28 | Suction conveyer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1163228A true CN1163228A (en) | 1997-10-29 |
Family
ID=5166859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97103727 Pending CN1163228A (en) | 1996-03-28 | 1997-03-28 | Suction conveyer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1163228A (en) |
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| CN106006113A (en) * | 2015-03-25 | 2016-10-12 | 海德堡印刷机械股份公司 | Device for transport with circulating suction belt |
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