CN102145821B - Roller device and image forming device - Google Patents
Roller device and image forming device Download PDFInfo
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- CN102145821B CN102145821B CN201010135764.3A CN201010135764A CN102145821B CN 102145821 B CN102145821 B CN 102145821B CN 201010135764 A CN201010135764 A CN 201010135764A CN 102145821 B CN102145821 B CN 102145821B
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- roller
- rotating shaft
- support
- roller devices
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Abstract
The invention provides a roller device and an image forming device. The roller device comprises a bracket, a roller frame and rollers, wherein the rollers are arranged on the roller frame; and the roller frame is movably connected with the bracket. The roller frame is movably connected to the bracket, so that the rollers on the roller frame can work in a coordinated way; and in the paper outputting process of the rollers, the roller frame can automatically deflect or move according to the pressure borne by the rollers, and the rollers on the roller frame can apply the same pressure to paper sheets, so that the phenomenon of paper sheet deflection caused by different pressures on the paper sheets is reduced, and the printing quality is enhanced.
Description
Technical field
The embodiment of the present invention relates to mechanical electronic equipment, relates in particular to a kind of roller devices and image processing system.
Background technology
Image processing system (equipment such as chopping machine and duplicator) conventionally need to be inner to image processing system by paper sheet delivery by the roller devices in image processing system, forms image by image processing system on paper.
As shown in Figure 1, Figure 2 and Figure 3, roller devices of the prior art is conventionally by forming as lower member: support 101, roller supporting device 102 and roller 103.Wherein, support 101 is fixed to the inside of image processing system.Roller supporting device 102 comprises upper bed-plate 1021, lower bottom base 1022 and be positioned at spring 1023 between the two; Upper bed-plate 1021 has the first projection 10211, and lower bottom base 1022 has the second projection 10221, and spring 1023 is fixed between two projections; Roller supporting device 102 is fixed on support 101 by upper bed-plate 1021.Roller 103 is installed in rotation on lower bottom base 1022 by center shaft 1031.When roller devices conveyance of sheets, paper pair roller 103 power in the radial direction presses to lower bottom base 1022 by center shaft 1031, finally by the adjusting of spring 1023 realizable forces, to guarantee that paper can pass through smoothly.In prior art, in order to guarantee the paper feed precision of paper, conventionally on support 101, be provided with at least two roller supporting devices 102 and the roller 103 corresponding with roller supporting device 102, make roller devices apply pulsation-free power to paper, thus conveyance of sheets accurately.
As from the foregoing, when roller devices of the prior art carries out conveyance to paper, due to each tunable not between roller independently, each spring and assembly parts thereof exist and manufacture and assembly error simultaneously, thereby make the pressure of each pair of rollers paper different, cause paper sheet askew printing effect poor.
Summary of the invention
Technical matters to be solved by this invention is: a kind of roller devices and image processing system are provided, the pair of rollers paper applied pressure solving in prior art roller devices is different, cause paper sheet askew, the defect that printing effect is poor, by roller devices, paper is applied to the pressure that size is identical, improved print quality.
Technical scheme provided by the invention is, a kind of roller devices comprises support, turning rolls and roller, and described roller is arranged on described turning rolls, it is characterized in that, described turning rolls is flexibly connected with described support.
The present embodiment roller devices, by turning rolls is flexibly connected on support, thereby makes the roller co-ordination mutually on turning rolls; Process at roller output paper, turning rolls can be according to the automatic deflection of the size of roller pressure or movement, make each roller on turning rolls to paper, apply the pressure of formed objects, reduced paper because of the stressed different crooked phenomenons that produce, improved print quality.
Roller devices as above, in order easily turning rolls and described support to be movably connected, described roller devices also comprises a rotating shaft, described turning rolls is flexibly connected with described support by described rotating shaft.
Roller devices as above, described rotating shaft is elastic axis; Or described rotating shaft is rigid shaft.
Roller devices as above, described rotating shaft is fixedly installed on support; Or described rotating shaft is hinged on support; Or described rotating shaft is slidably arranged on support.
Roller devices as above, in order turning rolls to be installed on support by rotating shaft easily, described support comprises end face and sidewall, on described sidewall, offers chute, the end of described rotating shaft is arranged in described chute.
Roller devices as above, the end in described rotating shaft is provided with location division, and described location division is fastened on chute wall.
Roller devices as above in order to make roller apply certain pressure to paper always, is also provided with an elastomeric element between the end face of described rotating shaft and described support.
Roller devices as above, described elastomeric element is a spring.
Roller devices as above, the end face of described support offers axis hole, and described roller devices also comprises fix shaft, and described fix shaft is vertically fixedly installed in described rotating shaft, and the position near described rotating shaft on described fix shaft is provided with positive stop lug boss; The upper end of described fix shaft is slidably arranged in described axis hole, and described spring housing is on described fix shaft, and one end of described spring is resisted against on described end face, and the other end is resisted against on described positive stop lug boss.
Roller devices as above, is fixedly installed support level on described turning rolls, and described support level comprises two parallel stay bearing plates, and described stay bearing plate is fixedly installed on described turning rolls; Two described stay bearing plates offer the roller axis hole of coaxial setting, and the roller shaft at described roller two ends is located in described roller axis hole.
Roller devices as above, described turning rolls is arch configuration.
Technical scheme provided by the invention is, a kind of image processing system, comprises image processing system main body, also comprises roller devices as above, and described roller devices is fixedly installed in described image processing system main body.
The present embodiment image processing system, by turning rolls is movably connected on support, makes the turning rolls can be with respect to support deflection or movement, thereby makes the roller co-ordination mutually on turning rolls; At image processing system, pass through the process of roller devices output paper, turning rolls can regulate the pressure to paper automatically according to the size of roller pressure, thereby make pair of rollers paper apply the pressure of formed objects, reduce paper because of the stressed different crooked phenomenons that produce, improved print quality.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of roller devices in prior art;
Fig. 2 is A-A direction cutaway view in Fig. 1;
Fig. 3 is the structural representation in B region in Fig. 2;
Fig. 4 is the structural representation of roller devices embodiment of the present invention;
Fig. 5 is the part sectional view in C region in Fig. 4;
Fig. 6 is the cutaway view of D-D direction in Fig. 5;
Fig. 7 is the local structure schematic diagram of the support in E region in Fig. 4;
Fig. 8 is the structural representation of roller devices embodiment shaft of the present invention;
Fig. 9 is the structural representation of turning rolls in roller devices embodiment of the present invention;
Figure 10 is the structural representation of roller in roller devices embodiment of the present invention;
Figure 11 is the structural representation of image processing system embodiment of the present invention.
The specific embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 4 is the structural representation of roller devices embodiment of the present invention, Fig. 5 is the part sectional view in C region in Fig. 4, Fig. 6 is the cutaway view of D-D direction in Fig. 5, Fig. 7 is the local structure schematic diagram of the support in E region in Fig. 4, Fig. 8 is the structural representation of roller devices embodiment shaft of the present invention, Fig. 9 is the structural representation of turning rolls in roller devices embodiment of the present invention, and Figure 10 is the structural representation of roller in roller devices embodiment of the present invention.As shown in Fig. 4-Figure 10, the present embodiment roller devices comprises support 1, turning rolls 3 and roller 4.
For convenient, below describe, from drawing, observe, that side of parts on the left side is " left side ", and parts that side is on the right " right side "; Perpendicular to the paper direction of entering, being " rear side ", is " front side " perpendicular to paper direction out.
Roller 4 is arranged on turning rolls 3 rotationally by the axle 41 at roller two ends, and turning rolls 3 is flexibly connected with support 1.
Particularly, turning rolls 3 is flexibly connected with support 1, makes turning rolls 3 carry out deflection or to move forward and backward with respect to support 1, thereby makes roller 4 when stressed difference, can automatically regulate stressing conditions to make roller 4 stressed identical.In order to realize between turning rolls 3 and support 1, be flexibly connected, turning rolls 3 and support 1 can be fitted together with a gap, roller devices can also comprise a rotating shaft 2, by rotating shaft 2, turning rolls 3 and support 1 is coupled together, and this rotating shaft 2 can be that elastic axis can be also rigid shaft; This rotating shaft 2 can be fixedly installed on support 1, also can be hinged on support 1, can also be slidably arranged on support 1.The present embodiment roller devices countershaft 2 does not limit with the connection mode of support 1 and turning rolls 3.For example, in order easily turning rolls 3 to be flexibly connected with support 1, turning rolls 3 is flexibly connected with support 1 by rotating shaft 2.Particularly, turning rolls 3 can be flexibly connected with rotating shaft 2, also can be fixedly connected with turning rolls 3, as generated integratedly rotating shaft 2 on turning rolls 3, again the turning rolls with rotating shaft 23 is connected with support 1, or with a spring shaft, as rotating shaft 2, support 1 and turning rolls 3 are run through, or with a rigid shaft, support 1 and turning rolls 3 are hinged together.Wherein, although only express in accompanying drawing on turning rolls 3, be provided with rotationally two rollers 4, the number of the roller 4 of roller devices of the present invention is at least one.
Further, in order by rotating shaft 2, turning rolls 3 to be installed on support 1 easily, and make roller 4 to paper, apply certain pressure, support 1 comprises end face 12 and sidewall 13 always, on the sidewall 13 of support 1, offer chute 14, the end of rotating shaft 2 is slidably arranged in chute 14; 12 of the end faces at rotating shaft 2 and support 1 are also provided with an elastomeric element.
Particularly, the support 1 in the present embodiment has end face 12 and two sidewalls 13, and support 1 can be set to inverted U-shaped, thereby can strengthen the structural strength of support 1, makes support 1 more solid firmly.Certainly, support 1 can be also L shaped structure.Wherein, the elastomeric element in the present embodiment can be a spring 5; The end face 12 of support 1 offers axis hole 11, and the present embodiment roller devices can also comprise fix shaft 21, and fix shaft 21 is vertically fixedly installed in rotating shaft 2, and the position near rotating shaft 2 on fix shaft 21 is provided with positive stop lug boss 211; The upper end of fix shaft 21 is slidably arranged in axis hole 11, and spring 5 is set on fix shaft 21, and one end of spring 5 is resisted against on end face 12, and the other end is resisted against on positive stop lug boss 211.Concrete, spring 5 in the present embodiment is resisted against respectively on support 1 and positive stop lug boss 211, thereby exert pressure by spring 5 countershafts 2, make roller 4 to paper, apply certain pressure always, thereby can guarantee that paper is under the effect of 4 applied pressures of roller, make paper can by roller 4, be transported to smoothly the position of appointment.
The present embodiment roller devices, by turning rolls 3 is movably connected on support 1, makes the roller 4 on turning rolls 3 realize the automatic adjusting of left and right and fore-and-aft direction power by turning rolls 3, thereby makes roller 4 co-ordination mutually on turning rolls 3; Process at roller 4 output papers, turning rolls 3 can be according to the automatic deflection of size or the movement of roller 4 pressures, make the roller 4 on turning rolls 3 to paper, apply the pressure of formed objects, reduced paper because of the stressed different crooked phenomenons that produce, improve print quality.In addition, by spring 5 is arranged between support 1 and positive stop lug boss 211, by spring 5, apply elastic force, make roller 4 to paper, apply certain pressure always, thereby be more conducive to paper, by the present embodiment roller devices, transmitted smoothly.With respect to prior art, roller devices of the prior art, each pair of rollers is answered a spring, and accuracy of manufacture has relatively high expectations, so that manufacturing cost is too high; And along with the increase of access times, elastic fatigue may appear in spring, cause each pair of rollers paper applied pressure to vary in size.And the present embodiment roller devices adopts a spring 5, greatly reduce manufacturing cost; For same roller devices, there is no the difference of accuracy of manufacture and the impact that brings; And, turning rolls 32 deflections or movement around the shaft, thus make 4 pairs of paper applied pressures of each roller identical, be more conducive to guarantee the transmission of paper pulsation-free.
Based on technique scheme, optional, in order to prevent that rotating shaft 2 from detaching the chute 14 that support 1 is offered, the width of chute 14 opening parts (not shown) in the present embodiment can be less than the diameter of rotating shaft 2.Concrete, in order to prevent that the axis hole 11 that rotating shaft 2 is offered from support 1 from detaching, the width of chute 14 opening parts in the present embodiment is less than the diameter of rotating shaft 2.Rotating shaft 2 can be pressed in chute 14 by chute 14 openings, because the width of chute 14 opening parts is less than the diameter of rotating shaft 2, rotating shaft 2 in chute 14 is limited by the opening of chute 14, rotating shaft 2 can not skidded off from chute 14, thereby guarantee that fix shaft 21 can not detach axis hole 11.
Further, in order to slide in the chute 14 that rotating shaft 2 can pulsation-free be offered on sidewall 13, the end of the rotating shaft 2 in the present embodiment can be provided with location division 23, and location division 23 is fastened on the sidewall 13 of chute 14.Concrete, distance between two location divisions 23 in the present embodiment is greater than the distance between the outside face of two sidewalls 13, thereby can in chute 14, slide by location division 23 restriction rotating shafts 2, prevent that rotating shaft 2 from departing from along axis direction, thereby fix shaft 21 can be slided along the axis direction of axis hole 11.If rotating shaft 2 is spring shaft, its location division can be the parts such as hook at spring shaft two ends.
Further, in order easily rotating shaft 2 to be installed in chute 14, and in the axis hole 11 easily fix shaft 21 being inserted on support 1, the position that the both ends of the rotating shaft 2 in the present embodiment are slidably arranged in chute 14 is provided with location wall 22, and the thickness of the rotating shaft 2 of location wall 22 parts is not more than the width of chute 14 opening parts; The head of fix shaft 21 is provided with chamfering 212.Concrete, the position that the both ends of the rotating shaft 2 in the present embodiment are slidably arranged in chute 14 can be provided with location wall 22.Owing to locating the surface of wall 22 and the opening of chute 14, more fit, thereby can more easily rotating shaft 2 be installed in chute 14 by location wall 22.In addition, the chamfering 212 of the head setting of fix shaft 21 can facilitate fix shaft 21 to insert in axis hole 11, the assembling of more convenient fix shaft 21.
The present embodiment roller devices, is set to be less than the diameter of rotating shaft by the width of chute opening part, can prevent that rotating shaft from detaching the chute that support is offered by actv..By the two ends in rotating shaft, location division is set, can limits rotating shaft by location division and move along axis direction, thereby slide in the chute that rotating shaft can be offered reposefully on sidewall.By location wall is set in rotating shaft, can easily rotating shaft be installed in chute by location wall; In addition, by the head of fix shaft is arranged to chamfering structure, can make fix shaft conveniently be inserted in axis hole accurately.
Based on technique scheme, optional, in order to reduce the manufacturing cost of the present embodiment roller devices, the turning rolls 3 in the present embodiment is arch configuration; Roller devices can comprise two rollers 4, and roller 4 is symmetricly set on the two ends of turning rolls 3.
Particularly, the turning rolls in the present embodiment 3 is set to the structural strength that arch configuration can strengthen turning rolls 3; In addition, in order to make paper can be subject to uniformly the pressure of roller 4, the roller 4 in the present embodiment is set to two, and roller 4 is symmetricly set on the two ends of turning rolls 3.Further, in order easily roller 4 to be assembled on turning rolls 3, on turning rolls 3, be fixedly installed support level, this support level comprises two parallel stay bearing plates 32, and stay bearing plate 32 is fixedly installed on turning rolls 3; Two stay bearing plates 32 offer the roller axis hole 321 of coaxial setting, and the roller shaft 41 at roller 4 two ends is located in roller axis hole 321.Concrete, the bottom of the roller axis hole 321 in the present embodiment can offer that a spacing is less than roller axis hole 321 diameters and the opening (not shown) that is greater than roller shaft 41 diameters, thereby the roller shaft of roller 4 41 can be pressed in roller axis hole 321 by this opening, thereby easily roller 4 be assembled on turning rolls 3.
The present embodiment roller devices, by two rollers are set, can be exerted pressure by two pair of rollers paper, thereby can realize paper by less roller, is transmitted smoothly, is conducive to reduce the cost of the present embodiment roller devices.
Figure 11 is the structural representation of image processing system embodiment of the present invention.As shown in figure 11, a kind of image processing system of the present embodiment, comprises image processing system main body, also comprises roller devices 201, the roller devices that this roller devices 201 adopts in roller devices embodiment of the present invention.This roller devices 201 is installed in image processing system main body.Concrete, the concrete structure of the roller devices 201 in the present embodiment can, referring to the record of roller devices embodiment of the present invention and accompanying drawing 4-Figure 10, not repeat them here.
Working process below in conjunction with 11 pairs of image processing systems of the present invention of accompanying drawing describes.Wherein, the present embodiment image processing system can be the image processing systems such as chopping machine or duplicator.Image processing system main body in the present embodiment can comprise: for holding the pallet 202 of paper P, be positioned at the donor rollers 203 of pallet 202 tops, fit together with roller devices 201 and be positioned at the drive roll 204 of donor rollers 203 1 sides, be positioned at the image processing module 205 of drive roll 204 tops, the transfer roll 206 fitting together with photosensitive drums 2053 in image processing module 205, be positioned at the photographic fixing module 207 of transfer roll 206 tops, the laser scanner 209 that is positioned at the eduction gear 208 of photographic fixing module 207 tops and is positioned at photosensitive drums 2053 tops.Concrete, pallet 202 in the present embodiment is upper to be stacked with a plurality of paper P and to be supplied to roller 203 and to pick up; It is upper that roller in roller devices 201 is pressed in the paper P that donor rollers 203 picks up, and coordinate paper P is transported to image formation processing unit 205 with drive roll 204.Image formation processing unit 205 is for form the image formation unit of image by electrophotographic system.Particularly, 2051 pairs of photosensitive drums of charging roller, 2053 chargings; Laser scanner 209 on charged photosensitive drums 2053, makes photosensitive drums 2053 surfaces form latent image the Ear Mucosa Treated by He Ne Laser Irradiation with graphicinformation; Developer roll 2052 is transferred to carbon dust in photosensitive drums 2053, the lip-deep latent image of photosensitive drums 2053 is developed and form carbon dust image; Transfer roll 206 is transferred to the carbon dust image in photosensitive drums 2053 on paper P.After transfer printing, paper P is transported to photographic fixing module 207.The paper P of photographic fixing image is discharged from device 208 discharges.
The present embodiment image processing system, by turning rolls is movably connected in rotating shaft, and by rotating shaft, turning rolls is rack-mount, make the roller on turning rolls can pass through turning rolls deflection around the shaft or movement, and realize automatic synchronization work; At image processing system, pass through the process of roller devices output paper, turning rolls can carry out corresponding deflection or movement around the shaft according to the size of roller pressure, make the roller on turning rolls can apply to paper the pressure of formed objects, reduce paper because of the stressed different crooked phenomenons that produce, improved print quality.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (9)
1. a roller devices, comprise support (1), turning rolls (3) and roller (4), it is upper that described roller (4) is arranged on described turning rolls (3), it is characterized in that, described turning rolls (3) is flexibly connected with described support (1);
Described roller devices also comprises a rotating shaft (2), and described turning rolls (3) is flexibly connected with described support (1) by described rotating shaft (2); Wherein, described support (1) comprises end face (12) and sidewall (13), offers chute (14) on described sidewall (13), and the end of described rotating shaft (2) is arranged in described chute (14); Between the end face (12) of described rotating shaft (2) and described support (1), be also provided with an elastomeric element.
2. roller devices according to claim 1, is characterized in that, described rotating shaft (2) is elastic axis; Or described rotating shaft (2) is rigid shaft.
3. roller devices according to claim 2, is characterized in that, described rotating shaft (2) is hinged on support (1); Or described rotating shaft (2) is slidably arranged on support (1).
4. roller devices according to claim 3, is characterized in that, the end of described rotating shaft (2) is provided with location division (23), and described location division (23) are fastened on the sidewall of chute (14).
5. roller devices according to claim 4, is characterized in that, described elastomeric element is a spring (5).
6. roller devices according to claim 5, it is characterized in that, the end face (12) of described support (1) offers axis hole (11), described roller devices also comprises fix shaft (21), it is upper that described fix shaft (21) is vertically fixedly installed on described rotating shaft (2), and the upper position near described rotating shaft (2) of described fix shaft (21) is provided with positive stop lug boss (211); The upper end of described fix shaft (21) is slidably arranged in described axis hole (11), described spring (5) is enclosed within on described fix shaft (21), it is upper that one end of described spring (5) is resisted against described end face (12), and the other end is resisted against on described positive stop lug boss (211).
7. according to the arbitrary described roller devices of claim 1-6, it is characterized in that, described turning rolls is fixedly installed support level on (3), and described support level comprises two parallel stay bearing plates (32), and described stay bearing plate (32) is fixedly installed on described turning rolls (3); Two described stay bearing plates (32) offer the roller axis hole (321) of coaxial setting, and the roller shaft (41) at described roller (4) two ends is located in described roller axis hole (321).
8. roller devices according to claim 7, is characterized in that, described turning rolls (3) is arch configuration.
9. an image processing system, comprises image processing system main body, it is characterized in that, also comprises the roller devices (201) as described in as arbitrary in claim 1-8, and described roller devices (201) is fixedly installed in described image processing system main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010135764.3A CN102145821B (en) | 2010-02-05 | 2010-03-26 | Roller device and image forming device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020112561 | 2010-02-05 | ||
| CN201020112561.8 | 2010-02-05 | ||
| CN201010135764.3A CN102145821B (en) | 2010-02-05 | 2010-03-26 | Roller device and image forming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102145821A CN102145821A (en) | 2011-08-10 |
| CN102145821B true CN102145821B (en) | 2014-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010135764.3A Active CN102145821B (en) | 2010-02-05 | 2010-03-26 | Roller device and image forming device |
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| Country | Link |
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| CN (1) | CN102145821B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10120234A (en) * | 1996-10-22 | 1998-05-12 | Seiko Epson Corp | Sheet conveying device |
| JP2000264483A (en) * | 1999-03-17 | 2000-09-26 | Katsuragawa Electric Co Ltd | Carrier roller for sheet material |
| JP2007031027A (en) * | 2005-07-25 | 2007-02-08 | Kyocera Mita Corp | Paper conveying device |
| JP2008239266A (en) * | 2007-03-26 | 2008-10-09 | Kyocera Mita Corp | Paper feeder |
| TWI333457B (en) * | 2008-02-22 | 2010-11-21 | Kinpo Elect Inc | Feeding paper apparatus and using the same |
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2010
- 2010-03-26 CN CN201010135764.3A patent/CN102145821B/en active Active
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| CN102145821A (en) | 2011-08-10 |
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Effective date of registration: 20190506 Address after: 519060 Central District A, Building 3, 01, 3883 Zhuhai Avenue, Zhuhai City, Guangdong Province Patentee after: ZHUHAI PANTUM ELECTRONICS Co.,Ltd. Address before: 519075 No. 63 Mingzhu North Road, Xiangzhou District, Zhuhai City, Guangdong Province Patentee before: Zhuhai Saine Printing Technology Co.,Ltd. |
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