CN107187905A - Paper transport device and image processing system - Google Patents
Paper transport device and image processing system Download PDFInfo
- Publication number
- CN107187905A CN107187905A CN201610146452.XA CN201610146452A CN107187905A CN 107187905 A CN107187905 A CN 107187905A CN 201610146452 A CN201610146452 A CN 201610146452A CN 107187905 A CN107187905 A CN 107187905A
- Authority
- CN
- China
- Prior art keywords
- paper
- guide rail
- transport device
- registration roller
- rail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/06—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers
- B65H5/062—Feeding articles separated from piles; Feeding articles to machines by rollers or balls, e.g. between rollers between rollers or balls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H5/00—Feeding articles separated from piles; Feeding articles to machines
- B65H5/36—Article guides or smoothers, e.g. movable in operation
- B65H5/38—Article guides or smoothers, e.g. movable in operation immovable in operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2404/00—Parts for transporting or guiding the handled material
- B65H2404/10—Rollers
- B65H2404/14—Roller pairs
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Feeding Of Articles By Means Other Than Belts Or Rollers (AREA)
- Registering Or Overturning Sheets (AREA)
Abstract
The present invention relates to paper transport device and image processing system, it can be ensured that guide rail is identical with the clearance distance on the direction that sheet transport direction is orthogonal.In the paper transport device, possess the apparatus main body for being provided with the registration roller pair being corrected for the diagonal of the paper to being conveyed from sheet feed section and the side door that can be opened and closed from the apparatus main body, and possess：Rail portion, it is located at the upstream side of registration roller pair in sheet transport direction, by being arranged at the first guide rail of apparatus main body side and being constituted across opposite disposed the second guide rail in side door side of paper transportation path, second guide rail is at least divided into the first and second movable guiding rails on paper width direction, and the first and second movable guiding rails are configured to be swung up close to or away from the side of the first guide rail；And second guide rail possess guide clearance adjustment portion, it is arranged at the split position of the second guide rail in the way of being moved up in the side orthogonal with sheet transport direction, for adjusting the clearance distance between the first guide rail and the second guide rail.
Description
Technical field
The present invention relates to paper transport device of the registration roller to image processing system to conveying paper
And possess the image processing system of the paper transport device.
Background technology
In the past, as in the image processing system for possessing paper transport device, image is entered in paper
Before forming portion, in order to be corrected to the crooked of paper, registration roller pair is generally provided with.
Top of form with stop registration roller to contacting when, top of form stop, top of form stopping after,
Because registration roller also continues to paper feeding to the conveying roller of upstream, the generation bending section so paper arches upward
(Loop), so as to cause to come in contact with guide rail after paper bending.It is therefore necessary to set in advance
The clearance distance of track is put.If registration roller is to the delivery track of upstream side and sheet carrying direction
Guide clearance on orthogonal direction can not ensure a certain distance, then can influence the formation of bending section
And shape, cause clamped rear paper easily to form fold, and easily produced during paper sheet delivery different
Sound.
As similar image processing system, it is known to image as described in Patent Document 1
Forming apparatus.The bottom of the image processing system is provided with the first sheet feed section, the second sheet feed section and
Three sheet feed sections, on the first sheet feed section to the transport path between the second sheet feed section, are provided with bending
Guide portion, user or maintenance personal can adjust the position in curved guide portion.
[patent document 1] Japanese Unexamined Patent Publication 23-68494
But, in the image processing system described in above-mentioned patent document 1, due to moveable curved
Bent guide portion is arranged between the first sheet feed section and the second sheet feed section, therefore can not be solved in the prior art
In the upstream side of registration roller pair due to above-mentioned caused by enough guide clearances various ask can not be ensured
Topic.Also, in the above-described configuration, curved guide portion is an entirety, carried out in movement with overall
It is mobile.
The content of the invention
What the present invention was exactly completed in view of the above problems, its object is to can be true there is provided one kind
Protect the guide clearance pre-set, it is ensured that (paper is wide on the direction orthogonal with sheet transport direction
Spend direction) clearance distance it is identical so that the paper of paper with will not producing fold smooth delivery of power
Conveying device and the image processing system for possessing the paper transport device.
In order to realize above-mentioned purpose, in the paper transport device of the 1st invention, possess and be provided with use
The apparatus main body of registration roller pair that is corrected in the diagonal to conveying the paper come from sheet feed section and
The side door that can be opened and closed from the apparatus main body, the paper transport device is characterised by possessing：Lead
Rail portion, it is located at the upstream side of the registration roller pair in sheet transport direction, described by being arranged at
First guide rail of apparatus main body side and opposite disposed in the side door side across paper transportation path
Second guide rail is constituted, and second guide rail is at least divided into first and the on paper width direction
Two movable guiding rails, first and second movable guiding rail is configured to close to or away from described
The side of one guide rail is swung up；And second guide rail possesses guide clearance adjustment portion, its with
The mode that the side orthogonal with sheet transport direction is moved up is arranged at the segmentation of second guide rail
Position, for adjusting the clearance distance between first guide rail and second guide rail.
According to this composition, in paper transport device, it will be located in sheet transport direction by temporary
When stop the stipulated time so that paper produce bending section come determining that the diagonal to paper is corrected
A wherein side, i.e. the second guide rail of the rail portion of the upstream side of position roller pair is arranged at can be relative to dress
Put main body opening and closing side door, thus, it is possible to improve occur paperboard in the case of reply easy journey
Degree, also, because the second guide rail and side door form as one, therefore, it is possible to reduce cost.In addition,
Second guide rail is configured to along paper width direction two to split and can swing, thus in card
Paper processing etc. in the case of be opened and closed side door when, will not with registration roller to colliding, so as to
Side door makes the second guide rail swimmingly extend near the clamping part of registration roller pair when closing.In addition, by
Set in the way of it can be moved up in the side orthogonal with sheet transport direction in the second guide rail
Guide rail is adjusted, therefore passes through the mobile adjustment guide rail, it can be ensured that long guide rail will not be in segmentation portion
Because deformation or other reasonses cause the distance of orbit gap different, the first guide rail and the are ensured that
Gap between two guide rails is consistent on the direction orthogonal with sheet transport direction, thus, it is possible to protect
The stability of paper downstream roller conveying is held, and reduces or eliminates the generation of paper curl.
2nd invention is characterised by, on the basis of the paper transport device of the 1st invention, described
Two guide rails are also equipped with convex portion, the convex portion be arranged at second guide rail on paper width direction
Two ends.According to this composition, when side door is closed, the first guide rail of the convex portion and apparatus main body side is supported
Connect, so as to ensure the minimum clearance of paper sheet delivery guide rail.
3rd invention is characterised by, on the basis of the paper transport device of the 1st or the 2nd invention,
In the split position of second guide rail, paper sensor is provided with., can be right according to this composition
Certain insert the distance is ensured at the second guide rail in paper sensor, is conducive to paper sensor pair
The stability of note detection.
4th invention is characterised by, on the basis of the paper transport device of the 1st to the 3rd invention,
It is provided with the guide clearance adjustment portion for making the described first and second movable guiding rail synchronously connection
Dynamic junction surface., can be effective by making two parts synchronous interaction after segmentation according to this composition
The gap between guide rail is maintained, reduces or avoids the influence to paper bending portion, so as to reduce or shut out
The generation of paper curl during paper logical absolutely.
5th invention is characterised by, on the basis of the paper transport device of the 1st to the 4th invention,
First and second movable guiding rail can be swung centered on the junction surface, when the closing side
Men Shi, the one end in the sheet transport direction downstream of first and second movable guiding rail is to described in
The direction of the clamping part of registration roller pair is swung, and when opening the side door, described first and second can
Described one end of dynamic guide rail is swung to the direction away from the clamping part.According to this composition, due to
One and second guide rail can swing, so not contacted when closing side door with registration roller, and can make
Clamping part of the guide rail downstream closer to registration roller.
6th invention is characterised by, on the basis of the paper transport device of the 1st to the 5th invention,
Second guide rail is divided in the central portion of paper transportation path.According to this composition, can be made
Two parts after two guide rails are divided turn into the state being mutually symmetrical, so as to preferably keep guide rail
Gap.And when switching side door, the second guide rail will not be made to be distorted.
7th invention is characterised by, on the basis of the paper transport device of the 1st to the 6th invention,
The side door is according to the side to be rotated centered on the fulcrum setting up and down of the side of described device main body
Formula is opened and closed.According to this composition, the angle that side door is opened and closed from apparatus main body can become big, so as to carry
Easy degree when height is handled when occurring paperboard.Also, because side door openings are towards user side,
Therefore using more convenient.
8th invention is characterised by, on the basis of the paper transport device of the 1st to the 7th invention,
The registration roller is to being integrated roller.Because the length of integrated roller is bigger than paper width, paper
Opening whole front end can contact with the clamping part of stopping, so as to preferably make top of form and clamping part
Alignment.
9th invention is characterised by, on the basis of the paper transport device of the 1st to the 8th invention,
The sheet feed section has the first paper feeding cassette and the second paper feeding cassette, and the paper transport device also includes：The
One transport road, it is used for from first paper feeding cassette to the registration roller to conveying paper；And second
Transport road, it is used for from second paper feeding cassette to the registration roller to conveying paper, and described second is defeated
Send road longer than first transport road, conveying roller pair is provided with second transport road, it is described defeated
Roller is sent to being rotated incessantly during sheet carrying.Due to any to being not provided with to the conveying roller
Limiting part etc. and it is constantly transported paper always so that paper is in conveying roller pair and registration roller
Bending section is formed between, therefore, it is possible to will not on registration roller on conveyance speed band to influence carry out
Good sheet carrying.
In the image processing system of the 10th invention, with any one in the 1st to the 9th invention
Described paper transport device.According to this composition, image processing system can be made to realize above-mentioned effect
Really.
In the paper transport device and image processing system of the present invention, realize and be able to ensure that in advance
The guide clearance of setting is so that the excellent effect of paper with will not producing fold smooth delivery of power.
Brief description of the drawings
Fig. 1 is the profile for schematically showing the image processing system that embodiments of the present invention are related to.
Fig. 2 is the detailed configuration for the vicinity for showing the registration roller pair that embodiments of the present invention are related to
Profile.
Fig. 3 is the stereogram schematically illustrated to the side door of embodiments of the present invention.
Fig. 4 is the stereogram that the rail portion of embodiments of the present invention is described in detail.
Symbol description
11：Apparatus main body；11R：Side wall；142：Registration roller pair；143A、143B：Paper supply
Roller；3：Fixing roller；4：Transfer roll；7：Paper transportation path；6：Second paper feeding cassette；5：
First paper feeding cassette；155：Paper sensor；G paper rail portions；G1：First guide rail；G2：
Second guide rail；S：PET film：D：Side door；1000：Convex portion；1001：Adjust guide rail；1002：
Movable guiding rail.
Embodiment
First, the principle to image processing system carries out simple illustration.Filled in image of the present invention formation
In putting, possess sheet feed section, paper sheet delivery portion, development section, fixing section, paper discharge unit.
Paper feed roller is set in paper sheet delivery portion.Multiple paper are accommodated with laminated arrangement in sheet feed section.
1, paper in sheet feed section is taken out and conveyed to development section by paper feed roller.Paper on present embodiment
Delivery section is opened, can be described in detail later.
Development section is provided with photosensitive drums, and along the direction of rotation of the photosensitive drums be provided with charged device,
Exposer, imagescope, transfer roll and cleaner.(hereinafter referred to as rouse on the surface of transfer roll and photosensitive drums
Surface) abut and form transfer nip.The drum surface of photosensitive drums uniform charged because of charged device.
It is even it is powered after drum surface be exposed device irradiation light, the electric charge for removing irradiation part is dived so as to form electrostatic
Picture.The electrostatic latent image is attached to toner by development section, so as to develop for toner image.So
The toner image for being formed at bulging surface is transported to transfer roll clamping part because of the rotation of photosensitive drums, and turns
On the paper that print is come to conveying.The transfer that the drum surface of photosensitive drums after toner image transfer is remaining is residual
Deposit toner to be removed by cleaner, and formed since powered for next image.On the other hand,
Paper after toner image transfer is transported to fixing section.
In fixing section, it is provided with fixing roller (heating roller) and is crimped with it and form fixing roller clamping
The backer roll in portion.Paper after toner image transfer is fixed the clamping conveying of roller clamping part, is now determined
Shadow roller heating pressurized roller pressurization simultaneously, thus the toner on surface, which is melted, fixes so as to fixing.
Paper discharge unit, is provided with discharge roller pair, again discharge tray, paper feed roller etc..Above-mentioned toner image is determined
In the case of its image forming surface, discharge tray only is being expelled to by discharge roller pair for the paper of movie queen
On.
In addition, in the case where the both sides at the surface of paper and the back side form image, it is fixing on surface
The paper of toner image is realized by the reversion (reverse rotation) of discharge roller pair and inverted in table.Then,
By paper feed roller again etc., development section is supplied to again, is overleaf transferred in the same manner as the situation on surface
Toner image.The paper passes through discharge roller pair after being transported to fixing section and being fixed toner image
It is expelled in discharge tray.
The entirety to image processing system of the present invention has carried out simple illustration above.Then, reference picture
The paper sheet delivery portion of 1 pair of present embodiment is illustrated.
Fig. 1 is the inside structure for representing the image processing system 10 that one embodiment of the present invention is related to
The schematic diagram made.In Fig. 1, the diagram of development section, fixing section etc. is eliminated, and is shown emphatically
The structure in paper sheet delivery portion.
As shown in figure 1, the first paper feeding cassette 5 for being configured to load and unload relative to apparatus main body 11
Arranged with the second paper feeding cassette 6 along vertical direction by multistage.Vertical direction it is overlapped first
Right side side in the figure of the paper feeding cassette 6 of paper feeding cassette 5 and second, be configured with for by paper P from Vertical Square
To longitudinal paper transportation path 7 for conveying upward of lower section, it extends in vertical direction.
First paper feeding cassette 5 and the second paper feeding cassette 6 are respectively received paper P with the overlapping paper pencil state of multipage
Hold internally.
In sheet transport direction, registration roller is configured with successively to 142, transfer from upstream to downstream
Roller is to 4 etc..In the present embodiment, registration roller is configured to integrated roller to 142.At this
In composition, by making the integrated roller powered, the paper powder produced in sheet feed section can be returned
Receive to prevent paper powder from entering image forming part, good image can be obtained.More specifically, it is fixed
Position roller uses metallic roll to wherein one of 142, can allow metal static electrification, and electrostatic is used for obtaining
Paper powder (or other debris) on paper, is then led by the rotation of metallic roll by cleaning section cleaning
Enter in dustbin (interchangeable), it is therefore desirable to be arranged to the roller of a monoblock type.Further, since
The length of integrated roller is bigger than paper width, and the whole front end of paper can connect with the clamping part of stopping
Touch, so as to preferably make top of form be alignd with clamping part.But, this is a kind of preferred reality
Mode is applied, composition of the invention is not limited to this.In addition, registration roller to 142 with transfer roll to 4
Compared to the upstream side for the conveying direction for being configured at paper.After paper P is exported from paper feeding cassette, warp
Cross paper transportation path and reach registration roller to 142, when registration roller stops to 142, paper P
Front edge temporarily ceased, and registration roller continues defeated to the conveying roller of upstream side to (not shown)
Paper feeding, therefore bending section (LOOP) can be formed on paper P, it is a certain degree of foring
Behind bending section, registration roller is conveyed to paper P again to 142, so as to paper P diagonal
It is corrected.Then, corresponding to the image formation moment of image forming part (not shown), positioning
Roller paper P described to 142 couples is conveyed.Registration roller possesses positioning driven voller 142A to 142
(the first roller) and registration roller 142B (the second roller).Driven voller 142A is positioned relative to paper
Transport path 7 is configured at side wall 11R sides.Registration roller 142B is configured across paper transportation path 7
In positioning driven voller 142A opposite side.Between positioning driven voller 142A and registration roller 142B
It is formed with the clamping part that paper P passes through.
In the first paper feeding cassette 5 and the second paper feeding cassette 6 on the right side, and in the top of paper P front end
Paper feed roller 143A and 143B is respectively configured, paper feed roller 143A and 143B are driven in rotation, from
And convey paper P towards paper transportation path 7.Paper feed roller 143A is with registration roller to 142 phases
Than the upstream side for being configured at sheet transport direction, similarly, paper feed roller 143B is with registration roller to 142
Compared to the upstream side for being also configured at sheet transport direction.Certainly, it is only to schematically show here
A kind of mode, can also use other various modes by paper P to paper transportation path 7
Conveying.In addition, as illustrated, be provided with side door D in the side wall 11R of apparatus main body 11, closing
It is described in detail in side door D after.
Below, the construction near 142 is described in detail registration roller reference picture 2.Fig. 2 is
Represent sectional view of the registration roller to the construction near 142 of present embodiment.As shown in Fig. 2
Registration roller to 142 upstream side it is tight before locate, be configured with paper sensor 155.Paper sensor
155 at least include sensor body and acceptance division, naturally it is also possible to including other necessary parts.
In paper P is delivered to way of the registration roller to 142 along paper transportation path 7 from paper feeding cassette,
The arrival of the paper sensor 155 to paper P is detected.In the present embodiment, in order to be able to
Enough ensure that paper sensor detects whole logical paper, be configured to paper sensor 155 and cover as follows
Described paper rail portion G gross section, i.e. from the first guide rail G1 across to the second guide rail
G2.But, it is not limited to this, it would however also be possible to employ other are of the prior art for detecting logical paper
Sensor construction.
In addition, as shown in Fig. 2 being provided with paper rail portion to 142 upstream side in registration roller
G.The paper rail portion G is by being arranged at the first guide rail G1 of the side of apparatus main body 11, across paper
The second guide rail G2 that the guide rail G1 of transport path 7 and first is opposed to be arranged at side door D sides is constituted.
In view of being easy to carry out paperboard processing when occurring paperboard, and it can be opened and closed from apparatus main body 11
Side door D set the second guide rail G2.Further, since by the second guide rail G2 and side door D-shaped into
It is integrated, cost can be reduced.As shown in Fig. 2 the first guide rail G1 and the second guide rail G2 exist
When side door D is closed, the guide clearance shown in the dotted line as folded by two arrows in figure is formed.
Two guide rail G2 front end, is pasted with before clamping part of the registration roller to 142 is reached to paper
The PET film S aided in is conveyed, thus, it is possible to which paper P is directed into registration roller as much as possible
To 142 clamping part it is tight before position, it is oblique so as to the generation and paper that improve paper curl
Capable correction.In order to which when side door D is opened and closed, registration roller is led to 142 with PET film S and second
Rail G2 is not disturbed mutually, and the second guide rail G2 is at paper sensor 155 in paper sheet delivery
On the width in path 7 by two segmentations, be configured to the structure of two-part.On this second
Guide rail G2, can be described in detail with reference to the accompanying drawings after.
Explanation is needed exist for, there is also be arranged at registration roller to 142 to carry out paperboard processing
When the device of side door side that can be opened and closed.Compared with this composition, registration roller is arranged to 142
The apparatus main body side for maintaining photosensitive drums is easier to ensure the precision of print position.Therefore, it will position
In the case that roller is arranged at apparatus main body side to 142, for positioned at registration roller to 142 upstream side
Paper rail portion G for, be provided separately into the first guide rail G1 positioned at the side of apparatus main body 11
The second guide rail G2 with positioned at side door D sides, can make at the paperboard at registration roller is to 142
Reason becomes easy.
Below, reference picture 3, are illustrated to the side door D of present embodiment.Fig. 3 is to show
The stereogram of side door D apparatus main body.As shown in figure 3, side door D is configured at apparatus main body 11
Side wall 11R.Side door D is with the branch of the upper side and lower side for being arranged at side wall 11R as shown in Figure 3
Centered on point, it is opened and closed relative to apparatus main body 11 in the way of it can be rotated along arrow shown in Fig. 3,
Be formed as a side wall 11R part down in off position.Set with the downside before and after apparatus main body
Fulcrum is compared so as to the device of opening and closing, as in the present embodiment in the side wall of apparatus main body
The structure of 11R fulcrum setting up and down can make side door D opening and closing angle become big, be conducive to card
Paper is handled.
The second guide rail G2 of present embodiment is described in detail referring to Fig. 4.Fig. 4 is
Represent when side door D is opened, the stereogram of the second guide rail G2 detailed configuration.In Fig. 4,
Direction shown in arrow is set to fore-and-aft direction, orthogonal to that direction is set to left and right directions.Such as
Shown in Fig. 4, the second guide rail G2 is formed on rear side of apparatus main body to front side in left-right direction, i.e.
For the flake of substantially strip, and it is fixed in side door D.The material of second guide rail G2 formation
There is no particular limitation with thickness, as long as not interfering with the effect of the present invention.Closed in side door D
When closing, across paper transportation path 7 with being arranged at the first guide rail G1 of apparatus main body 11 (not
Diagram) it is opposed to form paper sheet delivery rail portion G.As shown in figure 4, the second guide rail G2 possesses
Convex portion 1000, adjustment guide rail 1001 and movable guiding rail 1002.
In the present embodiment, in order to improve produce paperboard in the case of carry out paperboard processing appearance
Easy property simultaneously reduces cost, and the second guide rail G2 is arranged on can be from the freely openable of apparatus main body 11
Side door D sides.In this case, if the second guide rail G2 to be configured to the guide rail of an entirety,
Then collision can be produced when side door D is opened and closed to 142 with registration roller.Therefore, in the present embodiment,
As shown in figure 4, being configured in left-right direction, i.e. on paper width direction by the second guide rail G2 bis-
Segmentation is so as to obtain two-part movable guiding rail 1002.In addition, in order to switch side door D when more
Plus the second guide rail G2 front end is swimmingly inserted into registration roller to 142 clamping part, so as to
Enough conveyings before paper P reaches clamping part of the registration roller to 142 to paper P are aided in,
The movable guiding rail 1002 is configured to centered on axle in left-right direction, in fore-and-aft direction
Freely swing, be swung up close to or away from the first guide rail G1 side.
In the present embodiment, in order to ensure the gap between guide rail, on a second track G2 left side
Right-hand member sets convex portion 1000, and rail is vacated by making the convex portion 1000 be abutted with the first track G1
Road gap.The convex portion 1000 from the second guide rail G2 to protrude certain height so as in side door
D abuts to form the mode in certain gap when closing with the first guide rail G1 of the side of apparatus main body 11
Set.The height of the convex portion 1000 protrusion can be arranged to the height of predetermined fixation, can also
By other means, the height that can adjust for example is arranged to by spring.When side door D is closed,
The convex portion 1000 is abutted with the first guide rail G1 of the side of apparatus main body 11, so that in the first guide rail G1
And second form gap between guide rail G2, it is ensured that minimum clearance is carried out paper supply and passed through.Certainly,
The set location not limited to this of convex portion 1000, can also be arranged on the first guide rail G1 sides, as long as
It is able to ensure that the gap between guide rail.
In addition, in the present embodiment, the second guide rail G2 is in paper sheet delivery guide rail G
Centre portion is divided into two-part.Thus, two parts size pair of the second guide rail G2 after being divided
Claim, can preferably keep the gap of guide rail.Certainly, the second guide rail G2 split position is not limited
In this, as long as the implementation of without prejudice to present embodiment, it is possible to be arbitrary position.
In the present embodiment, in the case of being provided with convex portion 1000 at the second guide rail G2 two ends,
Because the second guide rail G2 is movable guiding rail (can not fix), and it is divided into two sections, so
During conveying paper, exist between the segmentaion position that can not ensure the second guide rail G2 and both sides
Gap identical possibility.Further, since the influence of the parts variation such as deformation, it is also possible to cause second
Guide rail G2 segmentaion position (due to the part do not fixed with the first guide rail G1) is possibly can not
With the gap both sides (convex portion 1000) holding.In this case, in order to ensure the first guide rail
Gaps of the G1 with the second guide rail G2 on paper width direction can be consistent, and be led second
Rail G2 sets the adjustment guide rail 1001 that two parts by the second guide rail G2 after being split by two are engaged.
By making the adjustment guide rail 1001 on fore-and-aft direction, direction i.e. orthogonal with sheet transport direction
It is mobile, so as to adjust the second track G2 segmentaion position vicinity with the first track G1's
Gap, it can be ensured that the gap between the second guide rail G2 and the first guide rail G1 is in paper width side
It is consistent, the undesirable condition of paper curl etc. is improved upwards thus.Further, since
Used in present embodiment from the first guide rail G1 across the paper sensor to the second guide rail G2
Structure, and in order to prevent from trembling, it is necessary to ensure certain insert the distance at the second guide rail G2,
Therefore by setting above-mentioned adjustment guide rail 1001, it can be ensured that paper sensor 155 is led second
Rail G2 insert the distance, is conducive to paper sensor to the stability of note detection.
It is preferred that being provided for the second guide rail G2 after being split by two on above-mentioned adjustment guide rail 1001
Two parts synchronous interaction engagement member, i.e. fulcrum, can for example set along the left and right in Fig. 4
The two parts and adjustment guide rail 1001 of direction through fixed the second guide rail G2 by after two segmentations
Bolt sub-assembly of control shaft.Thereby, it is possible to swing the overall fore-and-aft directions along in Fig. 4 of the second guide rail G2
Or it is mobile, so as to preferably keep the uniformity of guide clearance.Also, in present embodiment
In, because the second guide rail G2 is configured to two-part, therefore produced in the presence of with adjustment guide rail 1001
The possibility of segment difference, therefore by making two parts synchronous interaction after segmentation, can effectively maintain to lead
The uniformity in the gap of rail, reduces or has prevented the generation of the paper curl during logical paper.In addition,
The second above-mentioned guide rail G2 is preferably provided to be put centered on adjusting the fulcrum on guide rail 1001
It is dynamic.Specifically, when closing side door D, the sheet transport direction downstream of movable guiding rail 1002
One end to close to registration roller to 142 clamping part direction swing, when open side door D when, can
Described one end of dynamic guide rail 1002 is swung to the direction away from the clamping part.It is of course also possible to
Using others composition, as long as this composition does not interfere with the implementation of present embodiment.
In addition, in the present embodiment, the second guide rail G2 is divided into two sections, and in segmentation portion
There is provided adjustment guide rail 1001, but not limited to this, the second guide rail G2 can also for example be split
Into multistage, in this case, it can also be led in the gap mounting and adjusting between the guide rail of every section of segmentation
Rail 1001.
In the present embodiment, filled in the paper sheet delivery that paper P is conveyed along paper transportation path 7
In putting, it will be located in sheet transport direction by temporarily ceasing the stipulated time so that paper P is produced
Raw bending section is defeated to the paper of 142 upstream side come the registration roller that the diagonal to paper P is corrected
Send a guide rail G wherein side, i.e. the second guide rail G2 be arranged at can be relative to apparatus main body 11
The side door D of opening and closing, thus, it is possible to improve occur paperboard in the case of reply easy degree.
In addition, by second guide rail G2 be configured to registration roller to 142 it is tight before configuration paper
Split and can swing along paper width direction two at sensor 155, and in second guide rail G2
The fore-and-aft direction in apparatus main body 11 two ends set convex portion.Thereby, it is possible to carry out paperboard
Side door D will not be hindered to be opened and closed in the case of processing etc., and be able to ensure that the minimum clearance of guide rail.
In addition, being led in the second guide rail G2 adjustment for setting the second guide rail G2 with two segmentations to engage
Rail, and the adjustment guide rail is configured to move up in the side orthogonal with sheet transport direction,
Thereby, it is possible to ensure the uniformity of guide clearance, thus even in registration roller to 142 upstream side
The paper P of formation bending section is conveyed under the mode with rail friction, will not also produce paper
Fold.
Present embodiment is described in detail above by reference to accompanying drawing, but not limited to this.For example,
A conveying can also be independently added between the first paper feeding cassette 143B and the second paper feeding cassette 143A
Roller pair.Specifically, it will be used for from the second paper feeding cassette 143A to registration roller to 142 conveying paper
The second transport road be set to than for from the first paper feeding cassette 143B to registration roller to 142 conveying paper
The first transport road opened is long, additional on second transport road to set conveying roller pair, and makes this defeated
Roller is sent to uninterruptedly being rotated during sheet carrying.Thus, to the conveying roller to being not provided with limiting unit
Part etc. and it is constantly transported paper always so that paper is between conveying roller pair and registration roller pair
Form bending section, can not on registration roller on conveyance speed band to influence carry out good paper and remove
Send.
The structure of the present invention be applied to image processing system by paper to paper of the registration roller to conveying
Open conveying device and possess the image processing system of the paper transport device.
It should be appreciated that the present invention above-mentioned embodiment be used only for exemplary illustration or
The principle of the present invention is explained, without being construed as limiting the invention.Therefore, without departing from the present invention
Spirit and scope in the case of any modification, equivalent substitution and improvements done etc., all should include
Within protection scope of the present invention.In addition, appended claims of the present invention are intended to fall into institute
Whole changes in attached right and border or this scope and the equivalents on border
And modification.
Claims (10)
1. a kind of paper transport device, possesses and is provided with for conveying the paper come from sheet feed section
The diagonal apparatus main body of registration roller pair being corrected and the side that can be opened and closed from the apparatus main body
Door, the paper transport device is characterised by possessing：
Rail portion, it is located at the upstream side of the registration roller pair in sheet transport direction, by setting
In the first guide rail of described device main body side and opposite disposed in the side across paper transportation path
Second guide rail of door side is constituted,
Second guide rail is at least divided into first and second movably to lead on paper width direction
Rail, first and second movable guiding rail is configured to close to or away from first guide rail
Side is swung up；And
Second guide rail possesses guide clearance adjustment portion, and it is with orthogonal with sheet transport direction
The mode that side is moved up is arranged at the split position of second guide rail, for adjusting described first
Clearance distance between guide rail and second guide rail.
2. paper transport device according to claim 1, it is characterised in that
Second guide rail is also equipped with convex portion, and the convex portion is arranged at the wide in paper of second guide rail
The two ends spent on direction.
3. paper transport device according to claim 1 or 2, it is characterised in that
In the split position of second guide rail, paper sensor is provided with.
4. the paper transport device according to claims 1 to 3, it is characterised in that
It is provided with the guide clearance adjustment portion for making first and second movable guiding rail same
Walk the junction surface of linkage.
5. paper transport device as claimed in any of claims 1 to 4, its feature
It is,
First and second movable guiding rail can be swung centered on the junction surface, when closing institute
When stating side door, the one end in the sheet transport direction downstream of first and second movable guiding rail is to close
The direction of the clamping part of the registration roller pair is swung, when opening the side door, and described first and the
Described one end of two movable guiding rails is swung to the direction away from the clamping part.
6. paper transport device as claimed in any of claims 1 to 5, its feature
It is,
Second guide rail is divided in the central portion of paper transportation path.
7. paper transport device as claimed in any of claims 1 to 6, its feature
It is,
The side door turns according to centered in the side of described device main body fulcrum setting up and down
Dynamic mode is opened and closed.
8. paper transport device as claimed in any of claims 1 to 7, its feature
It is,
The registration roller is to being integrated roller.
9. paper transport device as claimed in any of claims 1 to 8, its feature
It is,
The sheet feed section has the first paper feeding cassette and the second paper feeding cassette,
The paper transport device also includes：First transport road, it is used for from first paper feeding cassette
To the registration roller to conveying paper；And second transport road, it is used for from second paper feeding cassette
To the registration roller to conveying paper,
Second transport road is longer than first transport road,
Conveying roller pair is provided with second transport road, the conveying roller is to during sheet carrying
Rotate incessantly.
10. a kind of image processing system, it has in claim 1 to 9 described in any one
Paper transport device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610146452.XA CN107187905B (en) | 2016-03-15 | 2016-03-15 | Paper transport device and image forming apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610146452.XA CN107187905B (en) | 2016-03-15 | 2016-03-15 | Paper transport device and image forming apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107187905A true CN107187905A (en) | 2017-09-22 |
| CN107187905B CN107187905B (en) | 2019-08-27 |
Family
ID=59870660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610146452.XA Active CN107187905B (en) | 2016-03-15 | 2016-03-15 | Paper transport device and image forming apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107187905B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017132636A (en) * | 2016-01-21 | 2017-08-03 | セイコーエプソン株式会社 | Printing system |
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| CN101290486A (en) * | 2007-04-20 | 2008-10-22 | 京瓷美达株式会社 | Drawer mechanism and image forming apparatus equipped with the same |
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|---|---|
| CN107187905B (en) | 2019-08-27 |
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