CN101381039B - Sheet stacking apparatus and sheet stacking method - Google Patents
Sheet stacking apparatus and sheet stacking method Download PDFInfo
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- CN101381039B CN101381039B CN2008102134700A CN200810213470A CN101381039B CN 101381039 B CN101381039 B CN 101381039B CN 2008102134700 A CN2008102134700 A CN 2008102134700A CN 200810213470 A CN200810213470 A CN 200810213470A CN 101381039 B CN101381039 B CN 101381039B
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Abstract
In a sheet stacking apparatus (50), a pair of side members (72) includes a pair of lower side members (72b) which is provided with an approximately same distance therebetween as a width of a planographic printing plate (46) and limits a movement in the planographic printing plate width direction; and a pair of upper side members (72a) which are provided above the pair of lower side members, each of which is provided with a movable section (78) movable in a width direction of the planographic printing plate, and on which tapered surfaces (85) are formed facing each other in a generally V shape. The distance between the pair of upper side members is controlled by driving the movable sections of the pair of upper side members so as to prevent quality degradation caused by a thrown-in sheet scratching a stacked sheet.
Description
Technical field
The present invention relates to a kind of sheet material stacking device and method; More specifically relate to a kind of sheet material stacking device; This piling apparatus will be from many sheet materials that transmission apparatus is sent into continuously each open and be placed on predetermined accumulation position, and pile up these sheet materials and become multilayer; And the sheet material stacking method of using this sheet material stacking device.
Background technology
In the processing line of lithography thin plate, the litho sheet that is attached with protective cover is cut into the size of product, and similar.Then, the lithography thin plate for example is placed on band conveyor, roller conveyer and similarly on the supply unit, is transferred the unit and is transported to the piling apparatus that is arranged on the lithography thin plate of handling the line tail end.This piling apparatus is provided with, and for example: pile up platform, this platform is used to hold the lithography thin plate of sending into from above supply unit; Back member; Front part; And a pair of side member, this side member is used for the lithography thin plate of sending into continuously is placed on predetermined accumulation position on the accumulation platform respectively.
Back component elasticity ground is by coil spring or similar member support, and is configured to as for the front end in the face of the lithography thin plate on the deposition surface.When the lithography thin plate when supply unit is fed on the deposition surface; Back component elasticity ground holds the front end of the lithography thin plate that its inertia of this dependence attempts to move along throughput direction; Restriction lithography thin plate moves along throughput direction, and pushes this lithography thin plate as that kind of needs along the direction opposite with throughput direction.In addition; Front part is configured to the rear end in the face of the lithography thin plate on the deposition surface; Contact with the lithographic plate printed web; This lithography thin plate along moving of throughput direction be limited or by the back member along the direction opposite pushing with throughput direction, and front part with the lithography thin plate along its vertical placement.
A pair of side member is configured to as for each side in the both sides of facing the lithography thin plate on the deposition surface.Each side member forms by having high-intensity sheet material, for example plate iron.This comprises side member: be arranged on member upper end with respect to short transverse bevelled guiding surface; Be arranged on the locating surface along short transverse formation of member lower end.Therefore, be deposited in the lithography thin plate of piling up on the platform be placed on relative this between the side member near the position at center.
Correspondingly, send into a plurality of lithography thin plates continuously to the deposition surface of piling apparatus the time when supply unit, the lithography thin plate is placed on preposition on the deposition surface by front part and this to side member, and is piled into multilayer.At this moment; When the quantity of the lithography thin plate on the deposition surface reaches predetermined quantity of piling up bag that is limited shipping specification and similar inventory; The lithography thin plate of this predetermined quantity is reprinted to tray and allied equipment from piling apparatus according to piling up bag; And this encapsulates packing and the shipment program of being delivered to, perhaps warehousing storage or similar place.
For instance; Japanese Patent applies for that openly No.2002-046924 has disclosed such piling apparatus; When the lithography thin plate is admitted to when piling up platform from transmission apparatus; This device can align and be deposited in the side of piling up the lithography thin plate on the platform, and does not cause the adhesion of lithography thin plate or around its side distortion.In this piling apparatus, elastic component can flexibly be out of shape along the Width of lithography thin plate, to such an extent as to and supported side surface with the lithography thin plate of sending into from transmission apparatus contact.And; If the lithography thin plate of sending into from transmission apparatus squints away from the predetermined width position of broad ways; This elastic component is urged to predetermined width position side with the lithography thin plate, to such an extent as to the lithography thin plate on the deposition surface is placed on predetermined width position.In the structure of the back member of such piling apparatus; When the lithography thin plate drops down onto on the deposition surface or and then the lithography thin plate is stacked on the deposition surface, can place with good precision through elastic component from the lithography thin plate that transmission apparatus is sent into continuously.Correspondingly, a plurality of lithography thin plates of sending into from transmission apparatus can so be deposited on the deposition surface, thereby the side of lithography thin plate matees each other.
Yet; Japanese Patent applies for that openly the piling apparatus that No.2002-046924 discloses has a problem; That is: when sheet material is piled up; The fore-end of sheet material bump back member, and sheet material is bent and is deformed into the shape (taking place arc curling) on similar mountain, and this sweep can clash into the sheet material that the next one is come.In addition, when sheet material was piled up, air remained under the lower surface (back side) of sheet material.Therefore, the core of sheet material is later than its end portion and falls, and produces bow action.As a result of, the end portion of sheet material possibly scrape the sheet material that is deposited on the deposition surface.Especially, in the progress aspect the CTP of lithography thin plate (computer printing), it is poorer than traditional lithography thin plate that the film surface strength of photo sensitive coating becomes along with in the recent period.Simultaneously, in order to alleviate environmental pressure, on the photo sensitive coating surface, do not place the lithography thin plate of slip sheet and possibly piled up.In this case, if aforesaid crooked the generation, the lithography thin plate is the printing-type surface of another lithography thin plate of scratch easily, and this is undesirable for product.
Summary of the invention
The present invention is suggested to overcome the above problems; And the purpose of this invention is to provide a kind of sheet material stacking device and sheet material stacking method; These apparatus and method can prevent the sheet material that the sheet material scratch as the lithography thin plate that is admitted to is piled up, and the quality of avoiding thus causing because of scratch reduces
To achieve these goals; According to a first aspect of the invention, each that a kind of sheet material stacking device, this piling apparatus will be from many sheet materials that transmission apparatus is sent into continuously is opened to be placed on predetermined accumulation position and to pile up these sheet materials and is become multilayer; This device comprises: pile up platform; This accumulation platform has deposition surface, and the sheet material of sending into from transmission apparatus is placed on this deposition surface, and many sheet materials are piled up; Front part, this front part are arranged on transmission apparatus near accumulation platform one side, and are provided with air-blast device, are used for below the sheet material of sending into from transmission apparatus, forming the air-flow along the sheet material throughput direction; Back member, this back member are arranged on end in contact before the sheet material of piling up the flat-bed rear side and sending into from transmission apparatus, and hold this sheet material and pile up on the platform so that it is deposited in; And a pair of side member, this side member is arranged on the foreign side of piling up on the flat-bed Width against each other.And, sheet material stacking device, this is provided with side member: a pair of lower side member, this is to being provided with the distance roughly the same with sheet width between the lower side member, and restriction is along moving on the sheet width direction; The pair of upper side member; This is arranged on lower side member top to the upper side member; Wherein each upper side member is provided with along sheet width direction moveable part, and is formed with the slope shape surface that becomes V-arrangement roughly against each other on the upper side member; And control convenience, through driving this moving part to the upper side member, this control convenience is controlled this to the distance between the upper side member.
Sheet material stacking device according to above description structure; Because the distance between the pair of upper side member is controlled; The sheet material that is admitted to can be received; To such an extent as to be placed between a pair of slope shape surface, to such an extent as to this enlarges the core bending because of its deadweight that allows sheet material gradually to the distance between the upper side member then.This bending has increased the rigidity of sheet material, and the fore-end of the sheet material that is admitted to thus is not to the whereabouts.This case of bending is kept until sheet material and is contacted with the back member.If distance between upper side member just in time was extended to before the member of sheet material contact back for this or greater than sheet width, sheet material becomes recessed case of bending (U-shaped) to fall to piling up platform with its core with respect to deposition surface.This fore-end that can prevent sheet material falls, and can lower the speed of falling (speed of falling), thereby prevents that the front end surface scratch of sheet material is deposited in the surface of the sheet material on the deposition surface.
According to a second aspect of the invention, in sheet material stacking device according to a first aspect of the invention, the slope shape surface of upper side member is with respect to the horizontal plane with more than 25 ° and less than 65 ° angle tilt.
According to a second aspect of the invention; When the center line on the line of centers of the sheet material of sending into continuously from transmission apparatus and slope shape respect to one another surface does not overlap; And sheet material is not placed on this between the slope shape surface time uniformly; If the angle of this relative horizontal surface in slope shape respect to one another surface is used to correct the corrective force that makes sheet material evenly place and is difficult to produce less than 25 °.If this angle is greater than 65 °, sheet material just is placed on the upper part on slope shape respect to one another surface, and increases to the distance of deposition surface.Therefore, sheet material maybe be at the sheet material of process medium dip and scratch accumulation that falls.
According to a third aspect of the present invention, in first or the sheet material stacking device aspect second according to the present invention, that to the lower side member have can along continuous straight runs the outstanding and claw component regained, this claw component is arranged on the deposition surface against each other.
According to a third aspect of the present invention; Even sheet material is not placed in the middle of the slope shape respect to one another surface when falling with the disalignment of case of bending its direction of transfer when transmission apparatus is admitted to or be admitted to and this sheet material equably; Might temporarily receive the inclination that sheet material is corrected its broad ways through the claw component that can give prominence to and regain, and reliably sheet material is placed on predetermined accumulation position.If this claw component is regained after rectification, sheet material keeps horizontality roughly on predetermined accumulation position, to fall imperturbably, thereby has prevented the sheet material of having been piled up by the sheet material scratch reliably and the quality that causes reduction.
According to a fourth aspect of the present invention; Sheet material stacking device according to any one aspect in of the present invention first to the 3rd aspect; Comprise further being arranged on the extrusion equipment of piling up the platform top that this extrusion equipment air blast is used for exerting pressure to piling up platform side from the approximate centre part top to sheet material.
According to a fourth aspect of the present invention, might be through the crooked rigidity that improves sheet material of core that such extrusion equipment above the accumulation platform forces sheet material be set.In addition, force the core bending of sheet material can prevent that air from remaining in the bottom surface of sheet material (back side), therefore further reduced the bow action that forms because the sheet material core promotes, and prevented the surface that sheet material has been piled up in the sheet material scratch.
According to a fifth aspect of the present invention, in the sheet material stacking device according to any one aspect in aspect first to fourth of the present invention, the shape that back member forms slotted opening is used to eject the air-flow from air-blast device.
According to a fifth aspect of the present invention, cut out slotted opening in the back member and be used to produce the discharge space that is positioned at the residual air of sending under the sheet material back side, thereby prevent that air from remaining under the back side of sheet material.Correspondingly, might reduce by the sheet material core promoting the bow action that forms further, and prevent the surface that sheet material has been piled up in the sheet material scratch.
According to a sixth aspect of the invention; Sheet material stacking device according to any one aspect in of the present invention first to the 5th aspect further comprises aspirator system; This aspirator system is arranged near the back member of piling up the platform rear side, and absorbs the air-flow from air-blast device.
According to a sixth aspect of the invention, be arranged near the aspirator system absorption of residual of back member of piling up the platform rear side and stay the air under the sheet material back side.Correspondingly, might further reduce by the sheet material core promoting the bow action that forms, and prevent the surface of the long-pending sheet material of sheet material scratch.
According to a seventh aspect of the present invention, according to the sheet material stacking device of any one aspect in of the present invention first to the 6th aspect, this sheet material is the lithography thin plate.
Sheet material stacking device of the present invention is actv. especially when the lithography thin plate uses as sheet material, and can prevent the photo sensitive coating surface (printing-type surface) of the lithography thin plate that the scratch of lithography thin plate is piled up.Correspondingly, do not pile up because the lithography thin plate can not need slip sheet, this sheet material stacking device is economical.
To achieve these goals; According to an eighth aspect of the present invention; The sheet material stacking device of any one aspect will many each from the sheet material that transmission apparatus is sent into be continuously opened and is placed in the predetermined sheet material stacking method of piling up the position in using according to the present invention aspect first to the 7th, and through repeating following steps, control convenience becomes multilayer with sheet material stacking on accumulation flat-bed deposition surface: the first step; Distance between the control pair of upper side member; Thereby after transmission apparatus is sent into, make this that distance between lower end, slope shape surface is narrower than sheet width at once, and the sheet material that this is sent into is placed on this between the slope shape surface at sheet material; Second step; Control the distance between the said pair of upper side member; Thereby when sheet material rely on the inertia send into sheet material and from the air-flow of air-blast device when the member direction is advanced towards the back; Make this distance enlarge gradually, and allow to be placed on this core and pass through its downwarping of conducting oneself with dignity the sheet material between the slope shape surface; The 3rd step, control the distance between the lower end on said a pair of slope shape surface, thereby when sheet material advance to be about to contact after before the member, make this distance become and be wider than sheet width, and sheet material is fallen.
The 8th aspect becomes the sheet material stacking method of multilayer that detailed steps is provided for the sheet material stacking device that uses according to the present invention any one aspect in first to the 7th aspect will many sheet materials of sending into continuously from transmission apparatus be placed on predetermined separately accumulation position and piles up these sheet materials, and the control convenience of this piling apparatus repeats above first to the 3rd step and piles up the quality decline that sheet material causes so that prevent reliably by being admitted to the sheet material scratch.
According to the 9th aspect, the sheet material stacking method of the 8th aspect further comprises the 4th step according to the present invention: sheet material fall and the 3rd step of piling up before, claw component respect to one another is outstanding from a pair of lower side member; The sheet material that reception falls; Regain this claw component again; And sheet material is fallen on the deposition surface once more.
According to the 9th aspect,, might prevent reliably further that having piled up the quality that sheet material causes by the sheet material scratch reduces as what describe in aspect the 3rd.
According to the tenth aspect, in according to the sheet material stacking method aspect the 8th or the 9th, its 3rd step utilizes aspirator system to carry out suction operation, is used to absorb the air-flow from air-blast device.
According to the tenth aspect, the 3rd step utilizes aspirator system to carry out suction operation, is used to absorb the air-flow from air-blast device, prevents that thus air from remaining under the sheet material back side.Correspondingly, might further reduce by the sheet material core promoting the bow action that forms, and prevent the surface that sheet material has been piled up in the sheet material scratch further.
As previously discussed, the present invention can provide a kind of can preventing to pile up sheet material stacking device and the sheet material stacking method that quality that sheet material causes reduces by the sheet material scratch that is admitted to.
Description of drawings
Fig. 1 has shown the block diagram that is used for according to the diagram structure of the processing line of the lithography thin plate piling apparatus of one embodiment of the invention;
Fig. 2 has shown the constructional drawing that is used for according to the diagram structure of the processing line of the lithography thin plate piling apparatus of this embodiment of the invention;
Fig. 3 is the block diagram that has shown according to the structure of the lithography thin plate piling apparatus of this embodiment of the invention;
Fig. 4 is the front elevation that has shown according to the structure of the lithography thin plate piling apparatus of this embodiment of the invention; And
Fig. 5 is the scheme drawing that has shown according to the stacking method of the lithography thin plate of this embodiment of the invention.
The specific embodiment
Hereinafter, will describe in detail with reference to accompanying drawing according to the preferred embodiment of sheet material stacking device of the present invention and sheet material stacking method.Should be noted that the lithography thin plate will use as the instance of sheet material in following examples.
At first will describe the lithography thin plate shown in Fig. 1 and 2 and handle line 10, this processing line is used for the lithography thin plate piling apparatus according to one embodiment of the invention.
As shown in Figure 1, roll transfer device 14 is arranged on the upstream side (top of Fig. 1 is right-hand) of handling line 10.The coiled material 12 that uses as the lithography thin plate is wrapped on the coiled material roller 13, and this coiled material roller 13 is connected to roll transfer device 14 movably.Roll transfer device 14 according to the processing speed of handling line 10 constantly with coiled material 12 from coiled material roller 13 fed downstream.Coiled material 12 curls in this place's rectification, and arrives pressing roller 18 through flattening mill 16.Pressing roller 18 will be pressure bonded to the upper surface (photo sensitive coating surface) of coiled material 12 from the banded lining paper 22 of lining paper conveyer 20.At this moment, the lining paper 22 that is pressure bonded to coiled material 12 is recharged the charging of device (not shown), and is bonded to coiled material 12 with the mode of static.
Gaining machine 24 is arranged on the downstream of pressing roller 18.When the cutting width of coiled material 12 changed, gaining machine 24 was in the center of coiled material 12 and the two ends punching press respectively of broad ways, so that form cut out partly (groove) with reservation shape at the center of coiled material 12 and the two ends of broad ways.Thus; Correspond respectively to the center of coiled material 12 and the cutting blade (see figure 2) that two ends are provided with cutting machine 26; Therefore this blade can move along axis direction in groove, and when coiled material 12 can be cut by the while with slip sheet 22 in a continuous manner, the width of coiled material 12 can change.
Coiled material 12 is cut machine 26 and cuts into predetermined cutting width, and its delivered length is by length-measuring appliance 30 meterings.When the numerical value of length-measuring appliance 30 metering reached predetermined variable, coiled material 12 was synchronously cut along the web width direction by fly cutter 32.This allows lithography thin plate 46 according to predetermined product size production.The lithography thin plate 46 that scales off from coiled material 12 is placed on the delivery unit 37, and is as shown in Figure 2, and this delivery unit 37 comprises a plurality of belt transporters 34 and 42.
At this, as shown in Figure 1, coiled material 12 is cut machine 26 broad wayss and is divided into two sheet materials, and these two lithography thin plates 46 are simultaneously by fly cutter 32 cuttings.Like this; Two lithography thin plates 46 that are cut are simultaneously sent door when being transported to piling apparatus 50 or allied equipment is distributed to two independent belt transporters 42 respectively, and are sent into two independent piling apparatus that are arranged on diverse location 50 by belt transporter 42.
In addition, being used to switch the dispensing door 40 that the lithography thin plate transmits the destination is arranged between belt transporter 34 and the belt transporter 42.If one from the lithography thin plate that coiled material 12 cuts down is sample product or defectiveness product, this lithography thin plate 46 was delivered to by the dispensing door and is used to withdraw from the belt transporter 36 of processing line and is sent into collecting box 44 by belt transporter 36 in 40 minutes.
Fig. 3 has shown the lithography thin plate piling apparatus 50 (being designated hereinafter simply as " piling apparatus 50 ") according to this embodiment of the invention.This piling apparatus 50 is used to pile up many Zhang Pings version printed web of sending into continuously from belt transporter 42 ends, thereby this lithography thin plate 46 is aligned in predetermined accumulation position and is piled into multilayer.
A pair of back member 58 is arranged on the direction of transfer shown in Figure 2 downstream, edge of the accumulation platform 52 in the piling apparatus 50.Check plate 60 is arranged on each back member 58, in the face of being deposited in the front surface of the lithography thin plate 46 on the deposition surface 54.It is parallel that check plate 60 is configured to its Width direction of transfer of making peace greatly.As shown in Figure 2, the base portion of being made up of metal sheet or plastic flagstone 62 is arranged on the base end part of check plate, is positioned at the opposite sense of piling up platform 52.Be positioned at the padded coaming 64 that the front surface of the base portion 62 of piling up platform 52 1 sides is coated with liner shape.
As shown in Figure 2, cylinder 66 is arranged on the member 58 of back so that support arresting disc 60 and cushion the impact from lithography thin plate 46.Cylinder 66 is arranged on the downstream of arresting disc 60 along direction of transfer, to such an extent as to and through support be fixed to handle line 10 framework, floor or similar portions not relatively belt transporter 42 change positions concern.Cylinder 66 supports central siphon 68 slidably along direction of transfer.The front end of the central siphon 68 in the cylinder 66 is connected and is fixed to the base portion 62 of check plate 60.In addition, the coil spring 70 that is in compressive state is set at the outer circumferential sides of central siphon 68.This coil spring 70 is along pushing check plate 60 in the opposite direction with the sender.At this, cylinder 66 can be adjusted the position along direction of transfer.Therefore, arresting disc 60 is to adjust along the length of direction of transfer according to being deposited in the lithography thin plate of piling up on the platform 52 46 along the position of direction of transfer.
As shown in Figure 3, piling apparatus 50 is provided with side member 72, and this side member is arranged on two ends (left side and the right) outer side surface of piling up platform 52.Shown in Fig. 3 and 4, it is roughly the same that side member 72 is configured to the width of distance and lithographic plate printed web 46 between it.This side member 72 comprises and a pair ofly is used to limit lithography thin plate 46 at the lower side member 72b of the motion of Width with a pair ofly be arranged on this to the upper side member 72a on the lower side member 72b; Among the upper side member 72a each is provided with the part that can move along the sheet width direction, and is formed with on it and becomes the roughly slope shape surface 85 of V-arrangement against each other.As shown in Figure 4, the slope shape of upper side member 72a surface 85 is preferably relative horizontal surface with more than 25 ° and less than 65 ° angle tilt.
In addition, as shown in Figure 4, upper side member 72a and lower side member 72b are fixed to frame fixation member 74.This frame fixation member 74 can move up and down according to the angle of the lithography thin plate 46 that is admitted to from belt transporter 42.Cylinder 76 is connected to each upper side member 72a.Control convenience 110 moves through the sliding component 78 control upper side member 72a broad wayss that are arranged between upper side member 72a and the lower side member 72b.In addition, the chassis, for example frame material 84a and 84b are separately positioned on upper side member 72a and the lower side member 72b.Frame material 84a and 84b are formed by stainless plate, for example steel plate and other slab materials, and it is indeformable so that stand from the impact load of lithography thin plate 46 to have enough intensity.In addition, the position of upper side member 72a broad ways is adjustable.Before lithography thin plate 46 was admitted to belt transporter 42, corresponding to the width of lithography thin plate 46, side member 72 broad wayss were adjusted to certain position.This side member 72 is configured to: its Width be deposited in the Width (direction of arrow W) of piling up the lithography thin plate 46 on the platform 52 and be complementary, its length direction roughly is complementary with the direction of transfer of lithographic plate printed web 46.This has symmetrical structure to side member 72, and broad ways shape respect to one another.
In addition, shown in Fig. 3 and 4, a plurality of claw components 47 that can give prominence in the horizontal direction and regain are arranged on a pair of lower side member 72a of deposition surface 54 tops relative to one another.This is used for outstanding and regain claw component 47 ground and give prominence to/and retraction mechanism do not show, still, and distance, the inside of lower side member 72b is hollowed out, and the hole that is used to give prominence to is formed on lower side member 72b and frame material 84b.So piston cylinder, stepping motor, cam mechanism and allied equipment can be arranged on the inner conduct of lower side member 72b of this hollow and give prominence to/retraction mechanism.Outstanding and withdrawal time time of claw component 47 can be controlled through using above-mentioned control convenience 110 to control outstanding/retraction mechanism.The outstanding time of claw component 47 is preferably before lithography thin plate 46 is about to fall from slope shape respect to one another surface 85, thereby receives the lithography thin plate 46 that this falls.In addition, the preferred withdrawal time of claw component 47 is not instantaneous after claw component 47 receives lithography thin plate 46, but after the lithography thin plate 46 that claw component 47 receives stops vibration and stop motion.Then, this claw component 47 is retracted, thereby lithography thin plate 46 drops on the deposition surface 54 once more.The time that the lithography thin plate 46 that is provided with for control convenience 110 stops to vibrate can obtain through test or similar approach in advance.
According to present embodiment, as shown in Figure 4, the along continuous straight runs compartment of terrain is provided with three (6 altogether) claw components on each lower side member 72b, but this claw component ground quantity can be two or more.Should be noted that lithography thin plate 46 between a pair of slope shape surface that is placed on upper side member 72a respect to one another falls to 54 last times of deposition surface, the quantity of this claw component 47 is enough to be used for firmly and temporarily receiving this lithography thin plate 46.In addition, if begin to fall from being placed on lithography thin plate 46 between a pair of slope shape surface that to receive time of this lithography thin plate 46 up to this claw component 47 oversize, lithography thin plate 46 maybe the medium dip in the whereabouts.Like this, claw component is preferably in the setting as much as possible of the upper part of upper side member 72a.More specifically, 85 lower end is preferably 10 to 30mm scope to the distance of claw component 47 from slope shape surface.Although claw component 47 can be processed by metal, plastic resin and other different materials, a kind of special preferable material is a MC nylon, because MC nylon is difficult on lithography thin plate 46, produce the for example such defective of scratch.
In addition, as shown in Figure 3, piling apparatus 50 is provided with front part 98, and this front part is arranged on piles up the upstream side of platform 52 along direction of transfer.This front part 98 has the shape of essentially rectangular and the shape of slab, and its thickness direction make peace greatly direction of transfer coupling, its length direction and the Width coupling of piling up platform 52.The upper surface of this front part 98 is a little less than the upper surface of belt transporter 42, and the end portion in its downstream is processed to R shape, the inside face in connection downstream.In addition, the inside face that is positioned at the downstream of this front part 98 is configured to: pile up 52 last times of platform this lithography thin plate 46 is placed along direction of transfer when lithography thin plate 46 is fed to, and this inside face forms the plane that is parallel to its short transverse.As shown in Figure 3, a plurality of burner bores 100 with the extension of elongate in shape broad ways are opened on front part 98.Burner bore 100 is horizontally disposed with respectively.It is inner so that provide air to a plurality of burner bores 100 that the air pipe (not shown) is arranged on front part 98.When lithography thin plate 46 was piled up by piling apparatus 50, air was seen off along direction of transfer from a plurality of burner bore 100.This makes at lithography thin plate 46 after belt transporter 42 is admitted to; Perhaps between lithography thin plate 46 and lithographic plate printed web 46, forming air layer between lithography thin plate 46 and the deposition surface 54 at once, and lithography thin plate 46 moving resistance of mobile (slip) on deposition surface 54 is reduced through inertia also.
Hereinafter, operation and the behavior like the piling apparatus 50 of above structure will be described.
At first, in the time of when lithography thin plate 46 is sent to accumulation platform 52 by belt transporter 42 on, lithography thin plate 46 is placed on the deposition surface 54, continues because inertia moves along direction of transfer simultaneously.At this moment, air is seen off from the burner bore 100 of front part 98, and air layer is along the lower surface formation of the lithography thin plate of being sent into by belt transporter 42 46.This air layer reduced the lithography thin plate 46 sent into by belt transporter 42 and deposition surface 54 or the lithography thin plate 46 piled up between friction drag, and the lithography thin plate 46 on the deposition surface 54 moves along direction of transfer reposefully.In addition, the position of elevator 56 (see figure 2)s adjustment deposition surface 54 or lithography thin plate 46 is so that remain constant altitude.This has guaranteed not to be deposited in by falling along continuous lithography thin plate 46 roughly same position on deposition surface 54 of sending into by belt transporter 42 influence of the quantity of the lithography thin plate 46 on the deposition surface 54.
The lithography thin plate 46 that is sent on the deposition surface 54 by belt transporter 42 continues because inertia moves along direction of transfer, and its front end surface begins to contact with a pair of back member 58.Therefore, the check plate 60 of back member 58 receives weight and the corresponding load of speed with lithography thin plate 46.Acceptance is moved to direction of transfer from the check plate of the load of lithography thin plate 46 60, makes coil spring 70 compressive deformations simultaneously, and receives the dumping force from cylinder 66 at this moment.This has eliminated the kinetic energy of lithography thin plate 46 and has alleviated as the impact load from back member 58 to the application force of lithography thin plate 46.In addition, when lithography thin plate 46 stops when direction of transfer moves, back member 58 extends central siphon through the restoring force of coil spring 70, and through check plate 60 with lithography thin plate 46 along with the sender in the opposite direction towards front part 98 pushings.
When lithography thin plate 46 receive from the back member 58 thrust the time, air layer is still residual along lithography thin plate 46 lower surface.Therefore, the lithography thin plate 46 of thrust that receives from back member 58 moves towards the direction of front part 98 on deposition surface 54 reposefully, and surface, its rear end begins to contact with front part 98.At this moment, back member 58 through from the dumping force of cylinder 66 with enough slow speed extending central siphon 68, begin to contact front part 98 until lithography thin plate 46.When lithography thin plate 46 began to contact front part 98, back member 58 made check plate 60 contact lithography thin plates 46.Therefore, lithography thin plate 46 is placed on and front part 98 position contacting along direction of transfer.
Yet only such operation of piling apparatus 50 will cause following problem.When lithography thin plate 46 is piled up; The fore-end of lithography thin plate 46 strikes the check plate 60 of back member 58; And the shape (bow action generation) on lithography thin plate 46 flexural deformations to similar mountain, this bow action possibly strike the surface of next lithography thin plate 46 that arrives and possibility scratch lithography thin plate 46.In addition, when lithography thin plate 46 was piled up, air remained in the lithography thin plate 46 times.Therefore, the whereabouts of lithography thin plate 46 cores is later than its end portion, and produces bow action.As a result of, the scratch of the end portion of lithography thin plate 46 possibility is deposited in the surface of the lithography thin plate 46 on the deposition surface 54.
Further, when lithography thin plate 46 crooked or its line of centers when being transmitted by belt transporter 42 departs from the line of centers of direction of transfer, depart from the line of centers on slope shape respect to one another surface 85 along the line of centers of the lithography thin plate 46 of direction of transfer.Under this situation, lithography thin plate 46 is admitted to piling apparatus 50 with out-of-alignment state, and this moment, the end portion of lithography thin plate 46 broad wayss was placed (not suitably balance) equably between slope shape respect to one another surface 85.As a result of, when lithography thin plate 46 fell to deposition surface 54, lithography thin plate 46 possibly tilt at Width.
In fact, be not only above-mentioned lithography thin plate 46 along sending into the end portion of direction, and the surface of the lithography thin plate 46 also maybe scratch piled up of the end portion that is positioned at the sheet width direction.
Thus; According to the present invention, as described above, a pair of side member 72 is provided with: a pair of lower side member 72b; This is much the same to the width that lower side member 72b is configured to distance and lithographic plate printed web 46 between it, and the motion of restriction lithography thin plate 46 on Width; Pair of upper side member 72a; This is arranged on lower side member 72b top to upper side member 72a; Among the upper side member 72a each is provided with the moving part that can move along the sheet width direction, and is formed with on it and becomes the roughly slope shape surface 85 of V-arrangement against each other.In addition, thus being provided with control convenience 110 controls this to the distance between the upper side member 72a through driving this moving part to upper side member 72a.
In addition; The angle θ on the slope shape of that pair of upper side member 72a respect to one another surface 85 confirms as and with respect to the horizontal plane becomes more than 25 ° and less than 65 ° angle; And a pair of lower side member 72b is provided with the claw component 47 that can give prominence to and regain, thereby this claw component against each other.
Fig. 5 has shown the stacking method according to piling apparatus of the present invention, and has especially shown the general operation of side member 72 and the behavior of the lithography thin plate 46 relevant with this operation.
State when the state A of Fig. 5 has shown when lithography thin plate 46 is fed to accumulation platform 52 from belt transporter 42 on.After lithography thin plate 46 is admitted to; Make the distance between the double-type end portion on slope shape respect to one another surface 85 be narrower than sheet width through controlling distance between the double-type upper side member 72a respect to one another at once, the lithography thin plate 46 that this is admitted to is placed between the double-type slope shape respect to one another surface 85.When lithography thin plate 46 was placed between the slope shape surface 85, its angle θ with respect to the horizontal plane formed more than 25 ° and less than 65 °.If less than 25 °, being used to correct lithography thin plate 46, the angle with respect to the horizontal plane on this slope shape respect to one another surface 85 makes lithography thin plate 46 evenly be placed on this corrective force between slope shape respect to one another surface is difficult to produce.If slope shape surface 85 is with respect to the horizontal plane with more than 25 ° and less than 65 ° angle tilt; Even the line of centers along direction of transfer of the lithography thin plate of sending into continuously on the belt transporter 42 46 departs from the line of centers on slope shape respect to one another surface 85; When lithography thin plate 46 was admitted to, corrective force was applied in and is used for departing from of central line.Therefore, the left and right sides of lithography thin plate 46 is placed on the slope shape respect to one another surface 85 simultaneously equably, thereby has guaranteed that lithography thin plate 46 falls continuously and normally accumulation.If this angle surpasses 65 °, be placed on the upper part on slope shape respect to one another surface 85.Increase because fall to the distance of deposition surface 54, this lithography thin plate 46 maybe the medium dip in the whereabouts.
Shown in Fig. 5 state B, rely on the inertia of the lithography thin plate 46 be admitted to and from the air-flow of air-blast device 100, lithography thin plate 46 moves along the direction of the member towards the back.At this moment, between the double-type upper side member 72a respect to one another apart from Be Controlled, to such an extent as to enlarge gradually along with the motion of lithography thin plate 46.So the core that is placed on the lithography thin plate 46 between the slope shape respect to one another surface 85 is because its deadweight downwarping.Like above description, because during its deadweight downwarping, the rigidity of this lithography thin plate 46 increases when the core that is placed on the lithography thin plate 46 between the slope shape respect to one another surface 85.Therefore, when the check plate 60 of the fore-end of lithography thin plate 46 and back member 58 contacted, the fore-end of lithography thin plate 46 can not fall downwards.
Then, Fig. 5 state C has shown when lithography thin plate 46 and has moved to the state when being about to begin to contact before with back member 58.At this moment, making control makes distance between the end portion on double-type slope shape surface 85 greater than the width of lithography thin plate 46.So lithography thin plate 46 falls towards deposition surface 54 with reclinate state.Before lithography thin plate 46 is about to fall, claw component 47 from deposition surface 54 tops lower side member respect to one another 72b on even keel outstanding.So this claw component 47 temporarily receives this lithography thin plate 46 that falls.Even the lithography thin plate 46 that falls from slope shape respect to one another surface 85 tilts at its Width to the left or to the right, this inclination can be able to be given prominence to and withdrawal so as the claw component of this lithography thin plate 46 of temporary reception 47 correct.For example, suppose that lithography thin plate 46 is not placed between the slope shape respect to one another surface 85 equably, and the angle θ on above-mentioned slope shape surface 85 can not correct this inclination.So, this lithography thin plate 46 with along its Width to the left or to the right the bevelled state fall.Even in this situation, the claw component 47 that level is outstanding can temporarily receive lithography thin plate 46, so that correct reliably.Received ground lithographic plate printed web 46 by claw component 47 and have a shape, the two ends of lithography thin plate 46 broad wayss are placed with same height here, and slightly downwarping of core.The downwarping of lithography thin plate 46 at this moment is big when not being placed between the slope shape surface 85.In addition, because lithography thin plate 46 is temporarily to be received by claw component 47, the position of lithography thin plate 46 broad wayss is by lower side member 72b decision, this lower side member 72b form with lithographic plate printed web 46 roughly be same size.Correspondingly, might correct the inclination of lithography thin plate 46 on its Width reliably, and this lithography thin plate 46 is placed on predetermined accumulation position.
Shown in Fig. 5 state E, when claw component 47 was regained in this state, lithography thin plate 46 kept horizontality roughly to fall imperturbably from predetermined top, accumulation position.This can prevent that lithography thin plate 46 from falling and the inclination on its Width along the fore-end that is admitted to direction downwards, thereby has prevented that reliably lithography thin plate 46 edges are admitted to the surface of the fore-end and the lithography thin plate that two end portion scratches on its Width have been piled up of direction.
It should be noted that; That a pair of slope shape surface 85 broad ways in the state C of Fig. 5 is extended; But between lithography thin plate 46 falls through lower side member 72b and be placed on 54 last times of deposition surface, upper side member 72a returns initial position (Fig. 5 state E).
Correspondingly, the control convenience 110 of foundation piling apparatus of the present invention repeats above-mentioned program, thereby has prevented that the quality that is caused by the lithography thin plate that lithography thin plate 46 scratches that are admitted to have been piled up from reducing.
It should be noted that; Air layer forms along the lower surface of the lithography thin plate 46 that is admitted to; This air layer makes the core protuberance of the lithography thin plate 46 in the above-mentioned piling apparatus 50, and the end of this lithography thin plate 46 possibly contact with the surface that is deposited in the lithography thin plate on the deposition surface.In this situation, extrusion equipment preferably is arranged on piles up the flat-bed top, thereby be used to spray air the approximate centre part of lithography thin plate 46 is depressed from the top towards piling up platform.As an instance of this extrusion equipment, air nozzle is considered.This air nozzle is connected to the air source (not shown), and for example air blower, compressor perhaps similarly are used to provide the device of air.The air that provides from air source is sprayed to the approximate centre part of lithography thin plate 46.At this; Usually consider on the air duct that connects air nozzle and air source, electromagnetic valve to be set; And this electromagnetic valve Be Controlled, thus air duct is opened when lithography thin plate 46 is piled up, and this air duct is closed when piling apparatus shuts down.Like above description; Pile up be provided with on the platform extrusion equipment can prevent when lithography thin plate 46 during by accumulations air remain under the lower surface of lithography thin plate 46; Thereby reduced protuberance bow action further, and the sheet surface that has prevented to have piled up is by scratch in company with effect lithography thin plate 46 cores together of above-mentioned upper side member.
In addition, slotted opening preferably cuts out in the check plate 60 of back member 58.The slotted opening of this check plate 60 can provide the space, and this space is used for air and under the lower surface of the lithography thin plate 46 that is admitted to, discharges.Aspirator system also can be considered to be arranged near the check plate 60.Be arranged on and pile up platform rear side (near check plate 60) and be used for the space that air is discharged under the lower surface of lithography thin plate 46; Perhaps be provided for absorbing the aspirator system of air; Can reduce the protuberance bow action of lithography thin plate 46 cores further, thereby the sheet surface that has prevented to have piled up is by scratch.
Be placed on the lithography thin plate of piling up on the platform 52 46 and be piled into multilayer, it is forward and backward, both sides are aligned with each other.When the quantity of the lithography thin plate 46 on the deposition surface 54 reaches predetermined when piling up the quantity of bag transportation standard or similar of limiting; This lithography thin plate 46 is piled up bag 102 as one and is transported to tray or similar devices from piling apparatus 50; And be transferred into packing and transportation program; Perhaps store freight house, perhaps similarly local.
Should be noted that description of the invention concentrates on the lithography thin plate, but other sheet material can be used also by it.Like above description, according to the piling apparatus consistent with the present invention, the sheet material that is admitted to is partly received by the slope shape of upper side member.So the distance between two upper side members is stretched to and is equal to or greater than sheet width.Thus, sheet material falls to a kind of state to be piled up on the platform, and wherein the core of sheet material is with respect to the deposition surface indent that becomes, and its two end portion are partly supported by slope shape simultaneously.Therefore, the end portion of sheet material does not fall, and the falling speed of the sheet material that falls can be lowered.Correspondingly, the present invention can prevent that the terminal scratch of sheet material has been deposited in the surface of the sheet material on the deposition surface.
In addition, description of the invention concentrates on the situation that sheet material is piled up, and wherein this sheet material is connected with the sheet material of elongated shape again, yet, even the present invention can be applied to not having the situation that the sheet material of long and narrow sheet material is piled up.
Claims (10)
1. a sheet material stacking device (50), this sheet material stacking device (50) will be from many sheet materials that transmission apparatus (37) are sent into continuously each open and be positioned at predetermined accumulation position, and become multilayer to said sheet material stacking, said sheet material stacking device comprises:
Pile up platform (52), this accumulation platform (52) has deposition surface, and the sheet material of sending into from transmission apparatus is placed on this deposition surface, and many sheet materials are piled up on this deposition surface;
Front part (98), this front part (98) are arranged on piles up flat-bed transmission apparatus side, and is provided with air-blast device (100), is used under the sheet material of sending into from transmission apparatus, forming the air-flow along the sheet material direction of transfer;
Back member (58), this back member (58) are arranged on piles up the flat-bed rear side, with the preceding end in contact of the sheet material of sending into from transmission apparatus, and receives this sheet material and makes this sheet material stacking pile up on the platform; And
A pair of side member (72), this is arranged in side member (72) piles up the platform outside along piling up the flat-bed Width against each other;
Wherein this is provided with side member:
A pair of lower side member (72b), this is to being provided with the distance roughly the same with sheet width between the lower side member (72b), and moving on the restriction sheet material broad ways;
Pair of upper side member (72a); This is arranged on the said a pair of lower side member upper side member (72a); Wherein each upper side member is provided with along sheet width direction moveable part (78), and on the upper side member, is formed with and becomes the roughly slope shape surface (85) of V-arrangement against each other; And
Control convenience (110); This control convenience (110) assigns to control the distance between the said pair of upper side member through the movable part that drives said pair of upper side member; Make and after transmission apparatus (37) is transmitted, make the distance between the lower end on a pair of slope shape surface (85) become the width that is narrower than sheet material at once at sheet material; When sheet material towards the direction of back member (58) when advancing the distance between the pair of upper side member (72a) little by little increase, and become the width of being wider than sheet material when sheet material advances to the distance that is about between the lower end that contact back member (58) makes a pair of slope shape surperficial (85) before the time at once.
2. sheet material stacking device according to claim 1, wherein, the slope shape of said upper side member (72a) surface (85) are with respect to the horizontal plane with more than 25 ° and less than 65 ° angle tilt.
3. according to a described sheet material stacking device in the claim 1 and 2, wherein, said a pair of lower side member (72b) have can along continuous straight runs the outstanding and claw component (47) regained, this claw component (47) is arranged on the deposition surface against each other.
4. sheet material stacking device according to claim 1 further comprises extrusion equipment, and this extrusion equipment is arranged on piles up platform top and air blast, is used for piling up from last direction the approximate centre part of platform side extruded sheet.
5. sheet material stacking device according to claim 1, wherein, said back member (58) forms the slotted opening shape, is used to eject the air-flow from air-blast device.
6. sheet material stacking device according to claim 1 further comprises aspirator system, and this aspirator system is arranged near the back member of piling up platform rear side place, and absorbs the air-flow from air-blast device (100).
7. sheet material stacking device according to claim 1, wherein, said sheet material (46) is the lithography thin plate.
8. sheet material stacking method; Be used for through using each described sheet material stacking device (50) of claim 1 to 7; Each that will be from many sheet materials that transmission apparatus (37) are sent into is continuously opened and is positioned at predetermined accumulation position, and becomes multilayer to this sheet material stacking
Wherein, through repeating following steps, control convenience (110) is piled up sheet material and is become multilayer on the deposition surface of piling up platform (52):
First step; Control the distance between the said pair of upper side member (72a); Thereby after transmission apparatus is admitted to, makes the distance between the lower end on said a pair of slope shape surface (85) be narrower than sheet width at once, and the sheet material of sending into is placed on this between the slope shape surface at sheet material;
Second step; Control the distance between the said pair of upper side member (72a); Thereby when sheet material relies on the inertia be admitted to sheet material and advances along the direction of the member towards the back from the air-flow of air-blast device (100); Make this distance between the said pair of upper side member (72a) enlarge gradually, and allow to be placed on this to core of the sheet material between the slope shape surface through its deadweight downwarping;
Third step is controlled the distance between the lower end on said a pair of slope shape surface, thus when sheet material advance to be about to contact back member before the time, make this distance between the surperficial lower end of said a pair of slope shape become and be wider than sheet width, and sheet material is fallen.
9. sheet material stacking method according to claim 8 further comprises the 4th step: sheet material (46) fall and the third step piled up before claw component respect to one another (47) is outstanding from said a pair of lower side member (72b); The sheet material that reception falls; Regain claw component; And sheet material is dropped on the deposition surface once more.
According to Claim 8 with 9 in each described sheet material stacking method, wherein, third step utilizes aspirator system to carry out suction operation and is used for absorbing the air-flow from air-blast device (100).
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007230608 | 2007-09-05 | ||
| JP2007-230608 | 2007-09-05 | ||
| JP2007230608 | 2007-09-05 | ||
| JP2008049874A JP2009078918A (en) | 2007-09-05 | 2008-02-29 | Sheet stacking device and method |
| JP2008049874 | 2008-02-29 | ||
| JP2008-049874 | 2008-02-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101381039A CN101381039A (en) | 2009-03-11 |
| CN101381039B true CN101381039B (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102134700A Expired - Fee Related CN101381039B (en) | 2007-09-05 | 2008-09-04 | Sheet stacking apparatus and sheet stacking method |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2009078918A (en) |
| CN (1) | CN101381039B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011068034A (en) * | 2009-09-25 | 2011-04-07 | Fujifilm Corp | Printing paper seasoning apparatus and method, and inkjet recording apparatus |
| CN104627718B (en) * | 2014-12-19 | 2017-07-25 | 烟台市裕同印刷包装有限公司 | A kind of printed sheet palletizing apparatus |
| US10737899B2 (en) * | 2017-07-04 | 2020-08-11 | Seiko Epson Corporation | Medium processing apparatus |
| CN107381190A (en) * | 2017-07-28 | 2017-11-24 | 德阳市新广印务有限公司 | For adjusting the collator of promotional pamphlet |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4318541A (en) * | 1979-02-01 | 1982-03-09 | Veb Kombinat Polygraph "Werner Lamberz" Leipzig | Devices for the lateral alignment of sheets |
| US4867436A (en) * | 1985-07-02 | 1989-09-19 | Minolta Camera Kabushiki Kaisha | Sheet aligning arrangement |
| JP2002046924A (en) * | 2000-08-03 | 2002-02-12 | Fuji Photo Film Co Ltd | Stacking device for lithographic printing plate, and method of manufacturing bundle of lithographic printing plate |
| CN1673058A (en) * | 2004-03-02 | 2005-09-28 | 日立欧姆龙金融***有限公司 | Sheet handling machine |
-
2008
- 2008-02-29 JP JP2008049874A patent/JP2009078918A/en active Pending
- 2008-09-04 CN CN2008102134700A patent/CN101381039B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4318541A (en) * | 1979-02-01 | 1982-03-09 | Veb Kombinat Polygraph "Werner Lamberz" Leipzig | Devices for the lateral alignment of sheets |
| US4867436A (en) * | 1985-07-02 | 1989-09-19 | Minolta Camera Kabushiki Kaisha | Sheet aligning arrangement |
| JP2002046924A (en) * | 2000-08-03 | 2002-02-12 | Fuji Photo Film Co Ltd | Stacking device for lithographic printing plate, and method of manufacturing bundle of lithographic printing plate |
| CN1673058A (en) * | 2004-03-02 | 2005-09-28 | 日立欧姆龙金融***有限公司 | Sheet handling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009078918A (en) | 2009-04-16 |
| CN101381039A (en) | 2009-03-11 |
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