CN103786424A - Variable cutoff folding device and printer comprising variable cutoff folding device - Google Patents
Variable cutoff folding device and printer comprising variable cutoff folding device Download PDFInfo
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- CN103786424A CN103786424A CN201310151621.5A CN201310151621A CN103786424A CN 103786424 A CN103786424 A CN 103786424A CN 201310151621 A CN201310151621 A CN 201310151621A CN 103786424 A CN103786424 A CN 103786424A
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- cut
- folding
- individual sheets
- cylinder
- size
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H45/00—Folding thin material
- B65H45/02—Folding limp material without application of pressure to define or form crease lines
- B65H45/04—Folding sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H45/00—Folding thin material
- B65H45/12—Folding articles or webs with application of pressure to define or form crease lines
- B65H45/28—Folding in combination with cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/10—Size; Dimensions
- B65H2511/11—Length
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/03—Image reproduction devices
- B65H2801/15—Digital printing machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/03—Image reproduction devices
- B65H2801/21—Industrial-size printers, e.g. rotary printing press
Abstract
The present invention provides a variable cutoff folding device and a printer comprising the variable cutoff folding device. This variable cutoff folding device (100) comprises: a cutting mechanism (10) capable of changing a cutting length; a speed-increasing conveyor mechanism (20) capable of changing a conveying speed based on a change in the cutting length; a folding cylinder (40) having a pin device (41) and a thrust blade device (43), the thrust blade device (43) being configured to be displaced based on the change in the cutting length; and a jaw cylinder (50) configured to be rotationally displaced based on displacement of the thrust blade device (43).
Description
Technical field
The present invention relates to the cut-out size (shearing length) that can process the continuous paper being printed by digital printer variation variable cut-out size folding apparatus and comprise the printing machine of variable cut-out size folding apparatus.
Background technology
In conventional rotary press, in order to change along the cut-out size in the continuous direction of continuous paper, the plate cylinder of galley etc. is installed in necessary replacing galley and confession, makes in fact can not easily change cut-out size.
In order to tackle the problems referred to above, in following patent documentation 1, disclosed digital printer is well known.In patent documentation 1, disclosed digital printer is that from the different of rotary press it does not need galley.Therefore, can easily carry out along the variation of the cut-out size of the continuous direction of continuous paper.
But, in patent documentation 1, disclosed folding apparatus is so a kind of folding apparatus, this folding apparatus by the rolling of paper of cut-out on folding cylinder with by hold in the month paper roll form signature (signature), and the problem existing is, because the girth of folding cylinder is constant, therefore in the time that the cut-out size of continuous paper changes, folding cylinder carries out the cycle of rev and asynchronous by the paper interval of the individual sheets of multiple cut-outs without interruption, multiple independent paper of can not reeling continuously at accurate winding position place thus.
Thereby, there is disclosed that folding apparatus in following patent documentation 2, this folding apparatus regulates along with cutting off the variation of size when the timing on folding cylinder time by the rolling of paper of multiple cut-outs.(hereinafter, this folding apparatus is called as " variable cut-out size folding apparatus ").In patent documentation 2, the variable cut-out size of disclosed routine folding apparatus comprises printing equipment, shearing device and treating apparatus, in addition, this variable cut-out size folding apparatus also comprises the first conveyor-belt apparatus and the second conveyor-belt apparatus between shearing device and treating apparatus.The variable cut-out size of the routine folding apparatus that comprises these devices is configured to cut off described paper web having changed after the shearing length of the paper web of printing equipment supply, and the transfer rate of described paper web is set to the speed conforming to the shearing length of the paper being cut off by shearing device, and meanwhile, the paper transfer rate in the first conveyor-belt apparatus is set for and had the speed identical with paper web transfer rate.In addition, the variable cut-out size of this routine folding apparatus is configured in the time receiving from the described paper of the first conveyor-belt apparatus by the second conveyor-belt apparatus, receive paper with the speed identical with paper transfer rate in the first conveyor-belt apparatus, then during the transmission of paper, change paper transfer rate, and in the time that paper is transferred to treating apparatus, pass on paper with the speed identical with paper transfer rate in treating apparatus.
Because comprise the structure of mentioned kind according to the variable cut-out size folding apparatus of disclosed routine techniques in patent documentation 2, therefore can make the rotary press that comprises this folding apparatus carry out the processing (be folded into along the direction vertical with direct of travel and form folding line) such as the folding paper cutting off with high accuracy.
[patent documentation 1] JP2011-157168A
[patent documentation 2] JP4191732B2
Summary of the invention
But, the problem existing is, in order to carry out the processing of cutting off paper for folding with high accuracy, in above-mentioned patent documentation 2, disclosed variable cut-out size folding apparatus must arrange the multiple long conveyer belt between shearing device and treating apparatus, makes thus device become maximization.Particularly, problem is, being contemplated in the printery that carries out multimedia printing in little space, in the time of the variable cut-out size folding apparatus of patent documentation 2 and digital printer combination, the installing space of whole device finally increases, make thus digital printer lose its advantage (, making equipment become compact).
And, in order to cut off continuous paper and the paper being cut off to be transferred to treating apparatus with high accuracy, in above-mentioned patent documentation 2, disclosed variable cut-out size folding apparatus is provided with two shut-off mechanisms,, the first shut-off mechanism and the second shut-off mechanism, and after first continuous paper is cut off partly by the first shut-off mechanism, the remainder cutting off is not yet cut off by the second shut-off mechanism, completes whereby the cut-out of paper.Problem is, because the cut-out of continuous paper is divided into two stages in this way, therefore compared with once cutting off the situation of whole paper, cuts off that surface is not easy to keep straight and quality is unstable.
The problem existing in view of above-mentioned routine techniques and make the present invention, the object of the present invention is to provide the variable cut-out size of such one folding apparatus: under the state remaining unchanged at the installing space of whole device, described variable cut-out size folding apparatus can provide high-quality signature and can change cutting off size simultaneously, and a kind of printing machine that comprises this variable cut-out size folding apparatus is provided.
Variable cut-out size folding apparatus according to the present invention comprises: shut-off mechanism, and described shut-off mechanism can cut into individual sheets by continuous paper, and can change shearing length; Step-up transmission mechanism, described step-up transmission mechanism can transmit described individual sheets with the gathering way of supply rate that exceedes described continuous paper, and change that can be based on described shearing length and change transfer rate; Folding cylinder, described folding cylinder has the contact pin apparatus and the thrust blade apparatus that are arranged on its outer peripheral face, described contact pin apparatus be configured to by contact pin thrust described individual sheets along in the front edge of direct of travel, and described thrust blade apparatus is configured to that thrust blade is pushed against on the described individual sheets being thrust by the described contact pin in described contact pin apparatus and is configured to the change based on described shearing length and is shifted; And hold paper roll in the month, described in hold in the month paper roll have be arranged on its outer peripheral face for clamping the clamping device of described thrust blade, and described in hold paper roll in the month and be configured to displacement and the displacement rotatably based on described thrust blade apparatus.
Variable cut-out size folding apparatus according to the present invention can be configured so that described step-up transmission mechanism comprises: belt conveyer, and described belt conveyer comprises and attracts hole; And suction device, described suction device is for attracting described individual sheets via described attraction hole.
And, variable cut-out size folding apparatus according to the present invention can be configured to also comprise lower folding connecting gear, described lower folding connecting gear is arranged on the downstream of described step-up transmission mechanism and the upstream side at described folding cylinder, and described lower folding connecting gear is configured to synchronous with the circumferential speed of described folding cylinder and transmits described individual sheets with the speed identical with the circumferential speed of described folding cylinder.
In addition, variable cut-out size folding apparatus according to the present invention can be configured so that retainer is installed in described folding cylinder and make it and described contact pin apparatus be formed as a pair of, the downstream that described retainer is configured to the position outstanding at the described contact pin of described contact pin apparatus by described individual sheets against.
In addition, variable cut-out size folding apparatus according to the present invention can be configured so that described shut-off mechanism is to cut off cylinder, described cut-out cylinder has and is installed as the cutter outstanding from the periphery of this cut-out cylinder, and in the time that described shearing length is maximum, the circumferential speed of described cut-out cylinder, the circumferential speed of described folding cylinder and described in to hold the circumferential speed of paper roll in the month identical with the described supply rate of described continuous paper.
Note, the present invention can be configured to comprise the printing machine of above-mentioned variable cut-out size folding apparatus.
The invention enables the variable cut-out size of such one folding apparatus can be provided: under the state remaining unchanged at the installing space of whole device, described variable cut-out size folding apparatus can provide high-quality signature and change cutting off size simultaneously, and a kind of printing machine that comprises this variable cut-out size folding apparatus is provided.
Accompanying drawing explanation
Fig. 1 is the view illustrating according to the example of the structure of the variable cut-out size folding apparatus of present embodiment.
Fig. 2 is the view that the example of the structure of lower conveyer belt is shown.
Fig. 3 is the view that the example of the structure of contact pin apparatus and retainer is shown.
Fig. 4 illustrates that wherein step-up transmission mechanism transmits the view that cuts off the example of the individual sheets of size cut-out with maximum.
Fig. 5 illustrates that wherein folding cylinder is collected the view of the example of the individual sheets following closely during maximum is cut off size.
Fig. 6 illustrates that wherein step-up transmission mechanism transmits the view that cuts off the example of the individual sheets of size cut-out with minimum.
Fig. 7 illustrates that wherein folding cylinder is collected the view of the example of the individual sheets following closely during minimum is cut off size.
The specific embodiment
Describe and be used for implementing the preferred embodiment of the present invention referring to accompanying drawing.Following embodiment and example are not intended to limit the invention that each claim is set forth, and the combination of the feature of describing in these embodiments and example differs to establish a capital and is absolutely necessary for solving the solution of problem proposed by the invention.
Fig. 1 is the view illustrating according to the example of the structure of the variable cut-out size folding apparatus of present embodiment.
As shown in Figure 1, the continuous paper W(paper web cutting off after printing by shut-off mechanism 10 according to the variable cut-out size folding apparatus 100 of present embodiment), by the flat paper of individual sheets FP((Flat Paper) after step-up transmission mechanism 20 and the 30 transmission cut-outs of lower folding connecting gear), collect individual sheets FP by folding cylinder 40, and by holding paper roll 50 grippings folding individual sheets FP in the month, form thus the signature of the individual sheets FP with overlapping any amount.In Fig. 1, arrow X represents the direction of transfer of individual sheets FP, and arrow Y represents the direction of rotation of folding cylinder 40, and arrow Z represents to hold in the month the direction of rotation of paper roll 50.
Individual sheets FP can be configured to sizes according to the type of supplied continuous paper W and according to the variation of the cut-out size causing due to shut-off mechanism 10.
The length of the broad ways of the length of the broad ways of individual sheets FP based on supplied continuous paper W and being determined consistently all the time.Particularly, the length of broad ways is configured to corresponding with any in Japanese wide cut paper size (546mm) and Japanese small-sized newspaper specification (406.5mm).
The length along direct of travel of individual sheets FP can change according to the change of cutting off size.That is to say, the length along direct of travel of individual sheets FP is different from the length of the broad ways of individual sheets FP, thereby can change according to the operating and setting of variable cut-out size folding apparatus 100.Particularly, be configured to along the length of direct of travel corresponding with two sections of parts of two sections of parts (two section portion) of Japanese wide cut paper size (813mm) and Japanese small-sized newspaper specification (546mm).
In the present embodiment, the cut-out size of two sections of parts of Japanese wide cut paper size (813mm) is assumed that " the maximum size of cutting off ".And the time at variable cut-out size folding apparatus 100 when individual sheets FP stands to operate under the maximum setting of cutting off size is therein called as " maximum cut off size during ".On the other hand, the cut-out size of two sections of parts of Japanese small-sized newspaper specification (546mm) is assumed that " the minimum size of cutting off ".And the time at variable cut-out size folding apparatus 100 when individual sheets FP stands to operate under the minimum state that cuts off size is therein called as " minimum cut off size during ".
Shut-off mechanism 10 is configured to comprise cut-out cylinder 11, cutter blades 11a and cutter blades receiving element 11b.And supplied continuous paper W is cut into individual sheets FP by shut-off mechanism 10.
Cut off cylinder 11 and be formed as having certain girth, and comprise a cutter blades 11a, this cutter blades is given prominence to from the outer peripheral face that cuts off cylinder 11.And, cutting off cylinder 11 and turn continuous paper W is once cut at each, this continuous paper is with the speed supply identical with cutting off the circumferential speed of cylinder during maximum is cut off size.
Cut off the girth of cylinder 11 be configured with individual sheets FP during maximum is cut off size along the identical length of the length of direct of travel.And, rotate if cut off cylinder 11, and the circumferential speed of this cut-out cylinder 11 is identical with the speed of continuous paper W, individual sheets FP can be configured to the maximum size of cutting off.
Cut off cylinder 11 and comprise the control device for changing circumferential speed.The circumferential speed that changes cut-out cylinder 11 causes cutter blades 11a to arrive the interval of off-position, and this interval changes along with the variation of the circumferential speed of cut-out cylinder 11.That is to say, variable cut-out size folding apparatus 100 is configured so that, changes the circumferential speed that cuts off cylinder 11 and causes the cut-out size of continuous paper W to become " the minimum size of cutting off " from " the maximum size of cutting off ".
Step-up transmission mechanism 20 is configured to comprise lower conveyer belt 21, bottom suction device 22, upper conveying belt 23 and top suction device 24.In addition, step-up transmission mechanism 20 transmits the individual sheets FP being cut off by shut-off mechanism 10 towards lower folding connecting gear 30.And step-up transmission mechanism 20 transmits individual sheets FP with the fast speed of transfer rate than the continuous paper W that is fed to shut-off mechanism 10.
Step-up transmission mechanism 20 is constructed to be permeable to change transfer rate.The transfer rate of step-up transmission mechanism 20 is the slowest and the fastest during minimum is cut off size during maximum is cut off size.In the time that the transfer rate of step-up transmission mechanism 20 is the slowest (during maximum is cut off size), step-up transmission mechanism 20 transmits with the transfer rate of the fast some percentage points of transfer rate than the continuous paper W that arrives shut-off mechanism 10.On the other hand, in the time that the transfer rate of step-up transmission mechanism 20 is the fastest (during minimum is cut off size), step-up transmission mechanism 20 thinks that the maximum transfer rate of 1.5 times of cutting off the transfer rate during size transmits.
Fig. 2 is the view that the example of the structure of lower conveyer belt is shown.As shown in Figure 2, lower conveyer belt 21 comprises that the 21a of band portion, band portion attract hole 21b, top board 21c and top board sucking 21d.And lower conveyer belt 21 is mounted in the connecting gear in the bottom of transfer path of individual sheets FP.Lower conveyer belt 21 transmits described individual sheets FP by individual sheets FP is clamped in together with upper conveying belt 23 between this lower conveyer belt 21 and this upper conveying belt 23.
It is the band setting up by multiple rollers with the 21a of portion.The 21a of band portion is by being set up to form particular path by multiple rollers, and utilizes the rotary driving force of roller to turn round as power source.This particular path comprises the path of passing through of individual sheets FP.Be arranged in lower conveyer belt 21 individual sheets FP pass through path from the immediately rear of shut-off mechanism 10 until the upstream-most position of folding connecting gear 30.
As shown in Figure 2, attract hole 21b to be formed in the positive circular hole of the circle in the 21a of portion with portion.And the direct of travel that attracts hole 21b to be parallel to individual sheets FP with portion forms with a determining deviation, and is formed as multiple row.Consider the length along direct of travel of transmitted individual sheets FP, in order stably to transmit individual sheets FP, attract the spacing along long side direction of hole 21b to be preferably about 25mm with portion.
Top board sucking 21d is formed in the slit pore in top board 21c.And the direct of travel that top board sucking 21d is parallel to individual sheets FP forms with a determining deviation, and is formed as multiple row.
Being parallel to the row that attract the direct of travel of hole 21b to form with portion and the row that the direct of travel that is parallel to top board attraction hole 21d forms is formed as making corresponding column weight folded.Therefore, in the time that the 21a of band portion is driven, with portion attract hole 21b must top board attract hole 21d above pass, therefore variable cut-out size folding apparatus 100 makes to attract hole 21b to be delivered to individual sheets FP via band portion the attraction from bottom absorption plant 22, makes thus individual sheets FP in restricted situation, to be transmitted.
Multiple bottoms suction device 22 is arranged on the below of passing through path of the individual sheets FP in lower conveyer belt 21.Form the top board of lower conveyer belt 21 and be not directly fixed to the 21a of band portion because bottom suction device 22 is fixed on, therefore bottom suction device 22 self can not move.And the attraction of bottom suction device 22 attracts hole 21b to be delivered to individual sheets FP via band portion.Such structure makes to be cut off and the individual sheets FP that is individual sheet form is transmitted reliably under restricted state.
Lower folding connecting gear 30 is mounted in the downstream of step-up transmission mechanism 20 and the belt conveyer in the upstream of folding cylinder 40.And lower folding connecting gear 30 is configured to comprise that lower folding conveyer belt 31, lower folding suction device 32 and contact pin receive roller 33.Lower folding conveyer belt 31 utilizes the rotary driving force of the multiple rollers that comprise contact pin reception roller 33 to turn round along the particular path being formed by these rollers as power source.This particular path comprises from the downstream position of step-up transmission mechanism 20 to the position that is arranged on contact pin apparatus 41 folding cylinder 40 and operates place.
The actuating speed of lower folding connecting gear 30 is configured to identical with the circumferential speed of folding cylinder 40.Due to such structure, therefore in the time that folding cylinder 40 captures the individual sheets FP sending from lower folding connecting gear 30, just can under the circumferential speed of the translational speed of described individual sheets FP and folding cylinder 40 is configured to the state of identical speed, individual sheets FP be reeled around folding cylinder 40, can in the situation that not causing distortion, obstruction etc., make individual sheets FP reel around folding cylinder 40 thus.Therefore, folding cylinder 40 can be collected individual sheets reliably, can prevent thus the reduction of operating efficiency.
Lower folding suction device 32 is the suction devices that attract individual sheets FP for the bottom of the transfer path from individual sheets FP.Lower folding suction device 32 is proceeded restriction to the individual sheets FP from top suction device 24.Such structure can make individual sheets FP under restricted state rather than be set under free state to transmit, and can stably transmit thus individual sheets FP.Therefore, can prevent from transmitting fault.
Contact pin receives roller 33 and is configured to comprise concave part (not shown).In addition, contact pin receives roller 33 rotatably and is parallel to the mode of axis of folding cylinder 40 supported.And, because receiving roller 33, contact pin sets that to make contact pin receive interval between roller 33 and folding cylinder 40 narrower for, therefore in the time that the contact pin of contact pin apparatus 41 has thrust and has passed received individual sheets FP, make through the front of the contact pin contact pin that enters concave part and contact pin apparatus can stably thrust thin paper.Therefore, folding cylinder can be collected individual sheets reliably, can prevent thus the reduction of operating efficiency.
Folding cylinder 40 is configured to comprise contact pin apparatus 41, retainer 42 and thrust blade apparatus 43.And folding cylinder 40 is arranged on the downstream of lower folding connecting gear 30 and in the upstream of holding paper roll 50 in the month.
The circumferential speed of folding cylinder 40 is configured to synchronous with the circumferential speed that cuts off cylinder 11 and has the speed identical with the circumferential speed that cuts off cylinder 11.And the length of the half cycle of folding cylinder 40 is configured to longer than " length along direction of rotation of length+retainer 42 of individual sheets FP during maximum is cut off size ".Therefore, be configured to according to the folding cylinder 40 of present embodiment the individual sheets FP that reels on every half-turn of folding cylinder 40.
Fig. 3 is the view that the example of the structure of contact pin apparatus and retainer is shown.As shown in Figure 3, wherein two contact pin apparatus 41 are installed with the interval equating near of the outer circumferential side of folding cylinder 40, and be constructed to be permeable to by such as cam etc. make contact pin in acupuncture position the outer peripheral face from folding cylinder 40 outstanding.Acupuncture position is configured to such position: the individual sheets FP sending from lower folding connecting gear 30 approaches the position of folding cylinder 40 most.
As shown in Figure 3, retainer 42 be arranged to contact pin apparatus 41 in each contact pin form a pair ofly, and be arranged on the downstream (with regard to direction of rotation, being in forward direction side) in the time that the contact pin of contact pin apparatus 41 is outstanding from the periphery of folding cylinder 40.Such structure can be fixed the head edge position of transmitted individual sheets FP and can accurately be thrust in the forward edge of direct of travel of individual sheets FP by contact pin, can produce thus high accuracy signature.
Two thrust blade apparatus 43 are installed with the interval equating in the periphery of folding cylinder 40, and are configured to make thrust blade outstanding, make thus the paper group of being collected by contact pin apparatus 41 be held in the month paper roll 50 grippings.Thrust blade apparatus 43 is configured so that thrust blade at folding cylinder 40 and to hold the position of the minimum range between paper roll 50 in the month outstanding.
The circumferential speed of holding paper roll 50 in the month is configured to synchronous with the circumferential speed of folding cylinder 40 and has the speed identical with the circumferential speed of folding cylinder 40.And the circumferential lengths of holding paper roll 50 in the month is configured with the circumferential lengths identical with the circumferential lengths of folding cylinder 40.
Holding paper roll 50 in the month is constructed to be permeable to change and make phase rotating displacement according to the phase place of thrust blade apparatus 43.The direction of rotation displacement is the direction identical with the direction of rotation Z that holds paper roll 50 in the time cutting off size shortening in the month, and is the direction contrary with the direction of rotation Z that holds paper roll 50 in the time that cut-out size is elongated in the month.
Holding paper apparatus 51 in the month is configured to comprise and holds paper cam (not shown) in the month, holds the cam follower (not shown) of paper cam in the month and hold paper blade (not shown) in the month.In the present embodiment, hold paper apparatus 51 in the month and be arranged on two positions in the periphery of holding paper roll 50 in the month with the interval equating.And when the installation site of holding paper apparatus 51 in the month is configured so that when folding cylinder 40 and holds paper roll 50 in the month and rotate and be arranged on thrust blade apparatus 43 in folding cylinder 40 and operate, thrust blade can be received.That is to say, when thrust blade apparatus 43 and the relation of holding the installation site between paper apparatus 51 in the month are configured so that when folding cylinder 40 and hold paper roll 50 in the month and rotate, thrust blade apparatus 43 and hold paper apparatus 51 in the month at folding cylinder 40 and hold paper roll 50 in the month that immediate position is toward each other each other.
More than illustrate according to the example of the structure of the variable cut-out size folding apparatus 100 of present embodiment.As mentioned above, cut off the continuous paper W of printing by shut-off mechanism 10 according to the variable cut-out size folding apparatus 100 of present embodiment, by step-up transmission mechanism 20, the individual sheets FP that is paper form is sent to lower folding connecting gear 30, further by lower folding connecting gear 30, individual sheets FP is sent to folding cylinder 40, collect the individual sheets FP of any amount by folding cylinder 40, and by the individual sheets FP that holds paper roll 50 in the month and come the collected any amount of gripping, form thus signature in the time having collected the individual sheets FP of any amount.And, the variable cut-out size folding apparatus 100 of present embodiment is configured to be operating as and makes, the cut-out interval of shut-off mechanism 10, the transfer rate of lower folding connecting gear 30 and folding cylinder 40 and hold the circumferential speed of paper roll 50 in the month can be synchronously and with identical speed action.
Next, describe according to the operation of the variable cut-out size folding apparatus 100 of present embodiment.Note, particularly, the following description continues to be divided into maximum situation during size and the minimum situation about cutting off during size cut off.
First, the operation of carrying out by being in the maximum variable cut-out size folding apparatus 100 cutting off under the state of setting during size is described.That is to say, step-up transmission mechanism 20 transmits the individual sheets FP being cut off by shut-off mechanism 10 slightly more quickly.
First, use the operator of variable cut-out size folding apparatus 100 that the cut-out size of individual sheets FP is set as to 813mm.As mentioned above, in the present embodiment, the circumferential lengths of shut-off mechanism 10 is configured to cut off with maximum the length that size equates, therefore the circumferential speed of the supply rate of supplied continuous paper W and cut-out cylinder 11 is set as equating to make the cut-out constant dimension of individual sheets FP at 813mm.
Fig. 4 illustrates that wherein step-up transmission mechanism 20 cuts off the view of the example of size transmission individual sheets with maximum.In Fig. 4, dotted line α represents " length of the half cycle of folding cylinder 40 ", and dotted line β 1 represents " cutting off the length of the individual sheets FP of size cut-out with maximum ", and dotted line γ represents " interval of being caused by the effect of step-up transmission mechanism 20 ".Note, because the position of individual sheets FP3 is the position of the individual sheets FP3 in the time being cut off by cut-out cylinder 11 just, therefore individual sheets FP3 is without undergoing the effect of step-up transmission mechanism 20.
As shown in Figure 4, step-up transmission mechanism 20 by cut-out be of a size of 813mm individual sheets FP1, FP2, FP3 ..., FPN is sent to lower folding connecting gear 30.Now, individual sheets FP with speed transmission after transmitting fireballing cut-out than cut-out is front (in other words, acceleration after cutting off), therefore step-up transmission mechanism 20 forms interval between adjacent individual sheets FP, and this interval is corresponding to cutting off front transfer rate and cutting off the poor of rear transfer rate.But during maximum is cut off size, the difference of speed is less, the interval therefore being formed by step-up transmission mechanism 20 can be ignored.
In the time that individual sheets FP1 is above sent to lower folding connecting gear 30 by step-up transmission mechanism 20, lower folding connecting gear 30 is resisted against individual sheets FP1 with the speed identical with the circumferential speed of folding cylinder 40 on the retainer 42 of folding cylinder 40 (with reference to Fig. 5).
At individual sheets FP1, against in retainer 42, the contact pin apparatus 41 of folding cylinder 40 operates, and folding cylinder 40 is collected individual sheets FP1.In the time having turned half-turn (rotating next the butt position to retainer 42) under the state that folding cylinder 40 is collected at individual sheets FP1, FP1 is similar to individual sheets, and step-up transmission mechanism 20 is resisted against the individual sheets FP2 transmitting via lower folding connecting gear 30 on retainer 42.
Fig. 5 illustrates that wherein folding cylinder 40 is collected the view of the example of individual sheets subsequently during maximum is cut off size.As shown in Figure 5, " length of the half cycle of folding cylinder 40 " that " the maximum size of cutting off " and the pattern length at " interval of being caused by the effect of step-up transmission mechanism 20 " that represented by dotted line γ being represented by dotted line β 1 equals to be represented by dotted line α.Therefore, once if located, the individual sheets FP that the maximum of being collected by folding cylinder 40 is cut off size must be collected against the state of retainer 42 with the forward edge along direct of travel, can make thus the periodicity collection operation in folding cylinder 40 accurately be carried out.In other words, can produce high-quality signature.
Then, the paper group of holding paper roll 50 grippings in the month and wherein collecting the paper of any amount, and the signature therefore forming is sent to the (not shown) such as stacking mechanism that is arranged on downstream.
The operation of variable cut-out size folding apparatus 100 during maximum is cut off size has more than been described.Next, the minimum operation of cutting off variable cut-out size folding apparatus 100 during size will be described in.Cut off when size when changing, problem is, the girth of folding cylinder 40 can not change.That is to say, the cut-out size of individual sheets FP shortens and means that the length along direct of travel shortens, this so that mean that the arrival interval of individual sheets FP also inevitably will shorten.Therefore, the head edge position that is sent to the individual sheets FP of folding cylinder 40 arrives quickly than the folding cylinder of the half-turn of having advanced, and can not thrust in suitable acupuncture position thus the front edge side along direct of travel of individual sheets FP.Thereby according in the variable cut-out size folding apparatus 100 of present embodiment, the difference being intended to by utilizing the transfer rate causing due to step-up transmission mechanism 20 overcomes this problem.
First,, owing to becoming the minimum size of cutting off, the circumferential speed that cuts off cylinder 11 increases.Particularly, because maximum is cut off size (813mm) and the minimum Length Ratio cutting off between size (546mm), cut off cylinder circumferential speed is changed into 1.5 times.That is to say, cut off with the speed of 1.5 times, make to cut off size and be configured to the minimum size of cutting off.And the circumferential speed of folding cylinder 40 increases with the circumferential speed of holding paper roll 50 in the month simultaneously, to match with the speed increase of cutting off cylinder 11.
Now, Fig. 6 illustrates that wherein step-up transmission mechanism 20 cuts off the view of the example of size transmission individual sheets with minimum.In Fig. 6, dotted line α represents " length of the half cycle of folding cylinder 40 ", and dotted line β 2 represents " cutting off the length of the individual sheets FP of size cut-out with minimum ", and dotted line γ represents " interval of being caused by the effect of step-up transmission mechanism 20 ".
As shown in Figure 6, step-up transmission mechanism 20 by cut-out be of a size of 546mm individual sheets FP1, FP2, FP3, FP4 ..., FPN is sent to lower folding connecting gear 30.As mentioned above, step-up transmission mechanism 20 cuts off transfer rate during size in minimum and becomes 1.5 times of transfer rate during maximum is cut off size.That is to say, as shown in Figure 6, cut off during size with in maximum compared with, individual sheets FP1, FP2, FP3 and FP4 shorten and individual sheets FP between interval become large.
In the time that individual sheets FP1 is above sent to lower folding connecting gear 30 by step-up transmission mechanism 20, lower folding connecting gear 30 is resisted against individual sheets FP1 with the speed identical with the circumferential speed of folding cylinder 40 on the retainer 42 of folding cylinder 40 (with reference to Fig. 7).
At individual sheets FP1, against in retainer 42, the contact pin apparatus 41 of folding cylinder 40 operates, and folding cylinder 40 is collected individual sheets FP1.In the time having turned half-turn (rotating next the butt position to retainer 42) under the state that folding cylinder 40 is collected at individual sheets FP1, FP1 is similar to individual sheets, and step-up transmission mechanism 20 is resisted against the individual sheets FP2 transmitting via lower folding connecting gear 30 on retainer 42.
Fig. 7 illustrates that wherein folding cylinder 40 is collected the view of the example of individual sheets subsequently during minimum is cut off size.As shown in Figure 7, " length of the half cycle of folding cylinder 40 " that " the minimum size of cutting off " and the pattern length at " interval of being caused by the effect of step-up transmission mechanism 20 " that represented by dotted line γ being represented by dotted line β 2 equals to be represented by dotted line α.Therefore, owing to adopting by step-up transmission mechanism 20 and increasing the speed of cutting off rear individual sheets FP to produce the structure at the interval corresponding with the difference of speed according to the variable cut-out size folding apparatus 100 of present embodiment, therefore the distance along between the front edge of direct of travel along the front edge of direct of travel and individual sheets FP subsequently of the individual sheets FP before equals the length of the half cycle of folding cylinder 40, even if make thus to change cutting off size, also can fix the suitable head edge position of individual sheets FP.
In addition, because the length of the individual sheets FP being collected by folding cylinder 40 shortens, therefore changed in the middle position of holding the individual sheets FP in paper apparatus 51 in the month by gripping.Therefore, thrust blade apparatus 43 changes phase place according to cutting off from maximum during size to the minimum change of cutting off during size.
Now, if the phase change of thrust blade apparatus 43 only, thrust blade apparatus 43 with hold synchronizeing between paper apparatus 51 in the month and occur misalignment.In other words,, while having there is the thrust blade operation when thrust blade apparatus 43, hold paper apparatus 51 no-fix in the month in the position relative with thrust blade apparatus 43.Therefore can not carry out by the operation of holding paper apparatus 51 gripping paper groups in the month.Thereby, be configured to comprise that the paper roll 50 of holding in the month of holding paper apparatus 51 in the month changes phase place to synchronize with the change of the phase place of thrust blade apparatus 43.Therefore can make folding cylinder 40 collect the individual sheets FP of any amount, can make the thrust blade apparatus 43 through phase change operate, and can make operated thrust blade clamp by holding paper roll 51 in the month.Like this, variable cut-out size folding apparatus 100 produces signature and transmits towards being arranged on the (not shown) such as the stacking mechanism in downstream the signature producing.
The operation of variable cut-out size folding apparatus 100 during minimum is cut off size has more than been described.
As mentioned above, be configured to according to the variable cut-out size folding apparatus 100 of present embodiment: by shut-off mechanism 10, continuous paper W is cut into the individual sheets FP with any shearing length, described shut-off mechanism 10 can change shearing length; Transmit individual sheets FP, increase the speed of individual sheets FP simultaneously by step-up transmission mechanism 20 according to the change of shearing length, described step-up transmission mechanism 20 can change transfer rate; By be arranged on contact pin apparatus 41 in folding cylinder 40 by contact pin thrust individual sheets FP along in the front edge of direct of travel; By thrust blade apparatus 43, thrust blade is pushed against to the individual sheets FP being thrust by contact pin apparatus 41 upper, described thrust blade apparatus 43 is arranged in folding cylinder 40 and is constructed to be permeable to and is shifted according to the change of shearing length; And clamp thrust blade by being arranged on the paper apparatus 51 of holding in the month of holding in the month in paper roll 50, described in hold that paper roll is constructed to be permeable to according to the displacement of thrust blade apparatus 43 in the month and rotation displacement forms signature thus.Therefore be constructed to be permeable to produce high-quality signature when cut-out size is changed according to the variable cut-out size folding apparatus 100 of present embodiment.
In other words, make to produce the paper interval corresponding with cutting off size according to the variable cut-out size folding apparatus 100 of present embodiment by change transfer rate based on step-up transmission mechanism 20, and thus individual sheets and paper interval are set as to the length corresponding with the girth of folding cylinder 40, and under the state therefore remaining unchanged at the installing space of whole device, make when cut-out size is changed, to provide high-quality signature.
And, make by using the position relationship that detects individual sheets FP such as the electronic installation of sensor can obtain the timing for rolling of paper is mated on folding cylinder 40 and with the girth of folding cylinder 40 according to the variable cut-out size folding apparatus 100 of present embodiment, and regulate without carrying out timing, and therefore can suppress the cost of whole device.
The preferred embodiment of the present invention has more than been described, but technical scope of the present invention is not limited to described in the above-described embodiment scope.Can be to the additional various variations of the respective embodiments described above or improvement.
For example, the suction device 22,24 and 32 in present embodiment adopts the structure that utilizes vacuum attraction paper, but scope of the present invention is not limited to this structure.For example, also can adopt the structure that attracts part and directly attract paper to transmit by this attraction part is set on tape.
In addition, the shut-off mechanism 10 in above-mentioned embodiment adopts the structure that utilizes rotary-type cut-out cylinder.But, also can adopt the piston-type cutting machine that can change speed and can cut off with constant speed.
And above-mentioned embodiment has been described particularly for carrying out the structure of the operation of " during maximum is cut off size " and the operation of " during minimum is cut off size ".But, cut off size and be not limited to these two kinds cut-out sizes.That is to say, certainly can also in the scope between " the maximum size of cutting off " and " the minimum size of cutting off ", at random change and cut off size and can produce the signature corresponding with changed cut-out size.
In addition, preferably be provided with retainer 42 according to the variable cut-out size folding apparatus of present embodiment, this is because retainer 42 can be positioned at the head edge position of the individual sheets FP being transmitted reliably, and is not the impact of kind or the transfer rate etc. of the individual sheets FP of paper form.But, the present invention is not limited to and comprises retainer 42, and the situation of the individual sheets FP based on transmitted (for example, the rigidity of paper, surface state and transfer rate etc.), needn't be provided with retainer 42 according to the variable cut-out size folding apparatus of present embodiment.
Explanation by the scope about to the application's claim is clear known, and the modified example of the above-mentioned type comprises within the scope of the invention.
The application can be used in the folding apparatus that can change the cut-out size (shearing length) of continuous paper.
Claims (6)
1. a variable cut-out size folding apparatus, this variable cut-out size folding apparatus comprises:
Shut-off mechanism, described shut-off mechanism can cut into individual sheets by continuous paper, and can change shearing length;
Step-up transmission mechanism, described step-up transmission mechanism can transmit described individual sheets with the gathering way of supply rate that exceedes described continuous paper, and change that can be based on described shearing length and change transfer rate;
Folding cylinder, described folding cylinder has contact pin apparatus and the thrust blade apparatus on the outer peripheral face that is arranged on this folding cylinder, described contact pin apparatus be configured to by contact pin thrust described individual sheets along in the front edge of direct of travel, and described thrust blade apparatus is configured to that thrust blade is pushed against on the described individual sheets being thrust by the described contact pin in described contact pin apparatus and is configured to the change based on described shearing length and is shifted; And
Hold paper roll in the month, described in hold in the month paper roll have be arranged on this outer peripheral face of holding paper roll in the month for clamping the paper apparatus of holding in the month of described thrust blade, and described in hold paper roll in the month and be configured to displacement based on described thrust blade apparatus and displacement rotatably.
2. variable cut-out size folding apparatus according to claim 1, wherein,
Described step-up transmission mechanism comprises:
Belt conveyer, described belt conveyer comprises attraction hole; And
Suction device, described suction device is for attracting described individual sheets via described attraction hole.
3. variable cut-out size folding apparatus according to claim 1, this variable cut-out size folding apparatus also comprises:
Lower folding connecting gear, described lower folding connecting gear is arranged on the downstream of described step-up transmission mechanism and the upstream side at described folding cylinder, and described lower folding connecting gear is configured to synchronous with the circumferential speed of described folding cylinder and transmits described individual sheets with the speed identical with the circumferential speed of described folding cylinder.
4. variable cut-out size folding apparatus according to claim 1, wherein,
In described folding cylinder, be provided with retainer and this retainer and described contact pin apparatus be formed as a pair of, described retainer be configured in the downstream of the extrusion position of the described contact pin of described contact pin apparatus by described individual sheets against.
5. variable cut-out size folding apparatus according to claim 1, wherein,
Described shut-off mechanism is to cut off cylinder, and described cut-out cylinder has and is installed as the cutter outstanding from the periphery of this cut-out cylinder, and
When described shearing length is while being maximum, the circumferential speed of described cut-out cylinder, the circumferential speed of described folding cylinder and described in hold paper roll in the month circumferential speed be the speed identical with the described supply rate of described continuous paper.
6. one kind comprises according to the printing machine of the variable cut-out size folding apparatus described in any one in claim 1 to 5.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012237171 | 2012-10-26 | ||
| JP2012-237171 | 2012-10-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103786424A true CN103786424A (en) | 2014-05-14 |
| CN103786424B CN103786424B (en) | 2016-05-11 |
Family
ID=48325433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310151621.5A Expired - Fee Related CN103786424B (en) | 2012-10-26 | 2013-04-27 | Variable cut-out size folding apparatus and the printing machine that comprises this device |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20140121091A1 (en) |
| EP (1) | EP2724968B1 (en) |
| JP (1) | JP5427976B1 (en) |
| CN (1) | CN103786424B (en) |
Cited By (2)
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| CN106006148A (en) * | 2016-05-19 | 2016-10-12 | 合肥博玛机械自动化有限公司 | Napkin subpackage arranger |
| CN109572163A (en) * | 2018-12-31 | 2019-04-05 | 高斯图文印刷系统（中国）有限公司 | A kind of rotation folding apparatus cutting variable format and folding method |
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| US8943936B2 (en) * | 2007-03-13 | 2015-02-03 | Moran BORENSTEIN | Method and apparatus for forming a sheet of foil |
| JP5714147B1 (en) * | 2014-02-25 | 2015-05-07 | 三菱重工印刷紙工機械株式会社 | Printing device |
| CN104261187B (en) * | 2014-09-23 | 2016-06-08 | 贵人兵 | A kind of soft material all-digitized demodulator automatic corner folding apparatus |
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Also Published As
| Publication number | Publication date |
|---|---|
| EP2724968A1 (en) | 2014-04-30 |
| US20140121091A1 (en) | 2014-05-01 |
| CN103786424B (en) | 2016-05-11 |
| EP2724968B1 (en) | 2016-03-30 |
| JP5427976B1 (en) | 2014-02-26 |
| JP2014101227A (en) | 2014-06-05 |
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