CN201834570U - Paper feeder and imaging equipment comprising same - Google Patents
Paper feeder and imaging equipment comprising same Download PDFInfo
- Publication number
- CN201834570U CN201834570U CN2010201532629U CN201020153262U CN201834570U CN 201834570 U CN201834570 U CN 201834570U CN 2010201532629 U CN2010201532629 U CN 2010201532629U CN 201020153262 U CN201020153262 U CN 201020153262U CN 201834570 U CN201834570 U CN 201834570U
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- paper
- rubber
- support
- roller
- paper feeder
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Abstract
The utility model relates to a paper feeder, which comprises a paper feeding roller and a roller shaft. The paper feeding roller is mounted on the roller shaft and comprises paper feeding rubber, a support and a convex cover, the paper feeding rubber and the convex cover are mounted on the support, the paper feeding rubber is located between the support and the convex cover; the support comprises a different-radius wheel, an arc-shaped bump and a shaft hole are disposed on the different-radius wheel, the paper feeding rubber is mounted on the arc-shaped bump; the convex cover comprises a different-radius wheel, a positioning clamp claw is arranged on the different-radius wheel, and a round hole is disposed in the middle of the different-radius wheel. As the arc-shaped bump and the shaft hole are arranged on the different-radius wheel of the support, the paper-feeding rubber is mounted on the arc-shaped bump, the paper-feeding rubber and the roller shaft are independent relatively, when the rubber on the paper feeding roller is replaced, the worn rubber can be taken down only by means of separating the convex cover from the support and sleeving new rubber onto the arc-shaped bump, total rubber replacement process can be completed without detaching the roller shaft from imaging equipment, and the paper feeder is convenient in operation.
Description
Technical field
The utility model relates to image processing system, relates in particular to the paper feeder in the image processing system.
Background technology
Recently, along with the more and more compactness that the image processing system structure is done, price is more and more cheap, and image processing system is widely used in office, even family, and therefore present image processing system is designed to be more prone to operation.
Expect good picture quality, paper feeding device must guarantee paper reliably and is reposefully infeeded image processing system.Along with long stranding paper, to the rubber serious wear on the paper roller, occur to rub with the hands in the paper process skid, wrinkle phenomenon, cause paper feed faults such as paperboard.Therefore need to change, finish smoothly to guarantee the paper feeding operation in the image processing system to the rubber on the paper roller.
As shown in Figure 7, traditional paper feeding device 200 comprises to paper roller, rotating shaft 204 and eccentric cam 203.Wherein comprise paper feeding rubber 201a, support 201b and guide wheel 202 to paper roller.It is that described paper feeding rubber 201a is placed on the support 201b that the method for paper roller is given in assembling, and then guide wheel 202 assemblings are got on.Be provided with the rotating shaft axis hole in the central axial direction of giving paper roller, the paper feeding roller that assembles is placed in the rotating shaft 204, and then load onto eccentric cam 203 respectively at the two ends of giving paper roller, just can be installed to paper feeding device 200 in the image processing system main body this moment.
In the paper feeder structure that prior art provides, when paper feeding rubber 201a serious wear need be changed, must disassemble rotating shaft 204 from image forming device body with instrument, and then eccentric cam 203 and guide wheel 202 unloaded from an end of rotating shaft 204 successively, next could be replaced with worn-down paper feeding rubber 201a new.This shows that the operation of changing paper feeding rubber 201a becomes complicated, lay man is not easy to operate yet.
The utility model content
The technical problems to be solved in the utility model provides a kind of paper feeder, and this device need not roller shaft is disassembled the replacing that can finish rubber from the image processing system main body.
The technical scheme that its technical matters that solves the utility model adopts is:
A kind of paper feeder, comprise: paper-feeding roller and roller shaft, paper-feeding roller is installed on the roller shaft, described paper-feeding roller comprises paper feed rubber, support and dished cover, paper feed rubber and dished cover are rack-mount, paper feed rubber is provided with arcuation projection and roller axis hole independently of each other on the described support between support and dished cover, described paper feed rubber is fitted on the arcuation projection.
Described support comprises the radius unequal wheel, and described arcuation projection and roller axis hole are arranged on the radius unequal wheel.
Described arcuation projection is provided with positioning groove.
Be provided with positioning convex in the positioning groove on the described arcuation projection, described positioning convex is divided into two parts that cross-sectional length does not wait with positioning groove.
Described dished cover comprises the radius unequal wheel, and described radius unequal wheel is provided with location claw and axis hole.
Described location claw cooperates with positioning groove on the arcuation projection.
Described location claw is stuck on the positioning convex.
Also can be provided with the rotating shaft supporting lug on the radius unequal of the described support wheel, be provided with axis hole in the described rotating shaft supporting lug, and described rotating shaft supporting lug and arcuation projection are relatively independent.
Implement the technical solution of the utility model, have following beneficial effect:
Because be provided with arcuation projection and axis hole independently on the radius unequal of the support wheel, paper feed rubber is fitted on the arcuation projection, make paper feed rubber and roller shaft relatively independent (rubber need not to be placed on the roller shaft).When the rubber on the replacing paper-feeding roller, only need dished cover and support are separated, take off worn-down rubber, new rubber is inserted on the arcuation projection, and then dished cover is cooperated with support, can finish.Whole rubber replacing process need not roller shaft is disassembled from image forms and can finish, and the complex operations that paper-feeding roller is changed has been simplified in simple operation.
Paper-feeding roller in the utility model, location claw stretching paper feed rubber increases the deflection of paper feed rubber after the installation, thereby increases the friction force between paper feed rubber and the forms stand, fastening rubber, the working stability of assurance paper-feeding roller.
Description of drawings
The structural representation of the image processing system that Fig. 1 provides for the utility model embodiment;
The structural representation of the paper-feeding roller that Fig. 2 provides for the utility model embodiment;
The structural representation of the paper-feeding roller upper bracket that Fig. 3 provides for the utility model embodiment;
The structural representation of dished cover on the paper-feeding roller that Fig. 4 provides for the utility model embodiment;
Paper-feeding roller upper bracket that Fig. 5 provides for the utility model embodiment and structural representation after paper feed rubber cooperates;
The paper-feeding roller axial section that Fig. 6 provides for the utility model embodiment;
Fig. 7 is a structural representation of formerly giving paper roller in the technology;
The specific embodiment
Also in conjunction with the accompanying drawings the utility model is described in further details below by concrete embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 1, image processing system 1 comprises that shell 14, image form processing unit 10, laser scanner 15, fixation unit 7; The a plurality of thin slice Ps of storehouse on pallet 3 are supplied to paper-feeding roller 4 and transfer roller 5 is transported to image formation processing unit 10.It is the image formation units that are used for forming by electrophotographic system image that image forms processing unit 10.Particularly, 11 pairs of photosensitive drums of charging roller, 13 chargings; The laser that laser scanner 15 will have graphicinformation shines on the charged photosensitive drums 13, makes photosensitive drums 13 surfaces form latent image; Developer roll 12 is transferred to carbon dust on the photosensitive drums 13, photosensitive drums 13 lip-deep latent images is developed form the carbon dust image; Transfer roll 6 is transferred to the carbon dust image on the photosensitive drums 13 on the thin slice P.Thin slice P is transported to fixation unit 7 after the transfer printing.The thin slice P of photographic fixing image is discharged from device 8 and is expelled on the discharge dish 9.
As shown in Figure 2, paper-feeding roller 4 comprises that support 101, paper feed rubber are rubber ring 102 and dished cover 103, and rubber ring 102 and dished cover 103 are installed on the support 101, and rubber ring 102 is between support 101 and dished cover 103.
As shown in Figure 3, support 101 comprises radius unequal wheel 107, on the radius unequal wheel 107 one be provided with arcuation projection and axis hole, and arcuation projection 106 and axis hole are separate.The arcuation projection is a semicircular ring projection 106 in the present embodiment, and described axis hole cooperates with rotating shaft.But in addition on the radius unequal wheel also one be provided with the rotating shaft supporting lug, and described rotating shaft supporting lug and arcuation projection are separate, the rotating shaft supporting lug in the present embodiment is a cylinder projection 105.Cylinder projection 105 is positioned in the middle of the radius unequal wheel 107, is the cylindrical protrusions along paper-feeding roller 4 axis directions; The centre of cylinder projection 105 is provided with roller shaft axis hole 104, and the roller shaft axis hole runs through cylinder projection 105.The coaxial setting of axis hole that described axis hole 104 is taken turns with radius unequal.Semicircular ring projection 106 is positioned on the minor radius radius unequal wheel, is the semicircular ring projection along paper-feeding roller 4 axis directions.End at semicircular ring projection 106 is provided with positioning groove 106a; Described positioning groove 106a is provided with positioning convex 106b, and described positioning convex 106b is divided into the different A of cross-sectional length and B two parts with positioning groove 106a, and the cross-sectional length of A part is greater than the cross-sectional length of B part.On the axis direction of paper-feeding roller 4, the length of cylinder projection 105 is bigger than protruding 106 length of semicircular ring.
As shown in Figure 4, dished cover 103 is made of radius unequal wheel 108 and location claw 109.The centre of radius unequal wheel 108 is provided with circular hole 108a.The radius unequal wheel 108 of dished cover 103 is identical with radius unequal roller 107 outlines on the support 101, and the correspondence position radius equates.The cross-sectional length that the cross-sectional length of described location claw 109 and positioning groove 107a go up A portion is suitable.
As shown in Figure 4, the connection mode that adopts in the present embodiment is on the claw 109 of location hook portion 109a to be set, simultaneously on the wheel of the radius unequal on the support 101 corresponding to the coaxial knock hole 107a that is provided with of positioning groove 106a, and the length of knock hole 107a is bigger than the length of positioning groove 106a, and its free end direction to positioning groove 106a is extended.
The installation of paper-feeding roller and the replacing operation of paper-feeding roller rubber ring will be described in detail in detail below.
As shown in Figure 5, when paper-feeding roller 4 is installed, earlier rubber ring 102 is inserted on the semicircular ring projection 106 on the support 101, because the inner periphery length of rubber ring 102 is smaller a little than the girth of semicircular ring projection 106, the less distortion of 102 need of rubber ring can be inserted in the semicircular ring projection 106 processing ease.
As shown in Figure 2, subsequently dished cover 103 is cooperated with support 101.Cylinder projection 105 on the support 101 cooperates with circular hole 108a on the dished cover 103.Circular hole 108a is to mobile provide constraints of support 101 on vertical paper-feeding roller 4 axis directions.Semicircular ring projection 106 withstands dished cover 103.As shown in Figure 6, A half one of the positioning groove 106a of the location claw 109 on the dished cover 103 on the semicircular ring projection 106 packs into, cooperates with knock hole 107a on the support 101.The hook portion 109a of location on the claw 109 takes turns with radius unequal that the plane away from semicircular ring projection 106 cooperates on 107.Semicircular ring projection 106 and location claw 109, restriction forms stand 101 and dished cover 103 relatively moving on paper-feeding roller 4 axis directions.
With the free end rotation of dished cover to positioning groove 106a, make location claw 109 move to the B portion of positioning groove 106a accordingly from the A portion of positioning groove 106a at last, the positioning convex 106b on the positioning groove 106a blocks location claw 109.Because the length of knock hole 107a is bigger than the length of positioning groove 106a, and knock hole 107a extends to the free end direction of positioning groove 106a, the cross-sectional length of location claw 109 is big greater than the B portion cross-sectional length of positioning groove 106a, make and locate the free end stretching rubber ring 102 of claw 109 to semicircular ring projection 106, increase the deflection of rubber ring 102, increase the elastic force of rubber ring, thereby increase the friction force between rubber ring 102 and the semicircular ring projection 106, fastening rubber ring 102.After paper-feeding roller 4 assemblings were finished, the radius unequal wheel 107 on the support was taken turns 108 with the radius unequal on the dished cover and is being overlapped fully perpendicular to the projection on the paper feeding wheel axis direction.
When being installed to the paper-feeding roller 4 that assembles on the paper feeding device, only needing roller shaft is inserted in the axis hole of paper-feeding roller, and then be installed in the image processing system main body.
Along with frustrating paper for a long time, the rubber ring serious wear on the paper-feeding roller.For fear of the paper feed faults such as paperboard of skidding, wrinkle phenomenon causes, when needing to change the rubber ring 102 on the paper-feeding roller 4, change easy to operate.The rubber ring that to introduce in detail below on the paper-feeding roller 4 is changed operation.
As shown in Figure 6, at first, with dished cover 103 along directions X rotation, make location claw 109 from the B portion corresponding mobile of positioning groove 106a to A portion, to reduce the deflection of rubber ring.Then dished cover 103 is moved along the direction of paper-feeding roller axis away from forms stand 101, itself and forms stand 101 are separated.The deflection of rubber ring 102 reduces, and the friction force between itself and the forms stand 101 reduces, and makes the operator be convenient to take out rubber ring from the semicircular ring projection 106 of forms stand 101.Again new rubber ring is inserted on the semicircular ring projection 106 after taking out the worn-down rubber ring.At last, dished cover 103 is moved along the direction of paper-feeding roller axis near forms stand 101, dished cover 103 is cooperated with forms stand 101, finish the replacing operation of paper-feeding roller rubber ring according to above-mentioned fitting operation.
Because the arcuation projection of support rubber circle 102 makes rubber ring 102 and roller shaft relatively independent (rubber ring is not placed on the roller shaft).Described rubber ring 102 need not roller shaft is disassembled from the image processing system main body when changing operation, can finish.Processing ease and convenient.The utility model has been simplified the complex operations that paper-feeding roller is changed.
A kind of image forming apparatus has comprised above-mentioned paper feeder.
In the utility model, location claw 109 stretching rubber rings 102 increase the deflection of rubber ring, thereby increase the friction force between rubber ring 102 and the forms stand 101, fastening rubber ring, the working stability of assurance paper-feeding roller.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. paper feeder, comprise: paper-feeding roller and roller shaft, paper-feeding roller is installed on the roller shaft, described paper-feeding roller comprises paper feed rubber, support and dished cover, paper feed rubber and dished cover are rack-mount, and paper feed rubber is characterized in that between support and dished cover, be provided with arcuation projection and roller axis hole on the described support independently of each other, described paper feed rubber is fitted on the arcuation projection.
2. paper feeder according to claim 1 is characterized in that, described support comprises the radius unequal wheel, and described arcuation projection and roller axis hole are arranged on the radius unequal wheel.
3. as paper feeder as described in the claim 2, it is characterized in that described arcuation projection is provided with positioning groove.
4. paper feeder as claimed in claim 3 is characterized in that, is provided with positioning convex in the positioning groove on the described arcuation projection, and described positioning convex is divided into two parts that cross-sectional length does not wait with positioning groove.
5. as paper feeder as described in the claim 4, it is characterized in that described dished cover comprises the radius unequal wheel, described radius unequal wheel is provided with location claw and axis hole.
6. paper feeder as claimed in claim 5 is characterized in that, described location claw cooperates with positioning groove on the arcuation projection.
7. paper feeder as claimed in claim 6 is characterized in that, described location claw is stuck on the positioning convex.
8. paper feeder as claimed in claim 7 is characterized in that, also can be provided with the rotating shaft supporting lug on the radius unequal of the described support wheel, is provided with axis hole in the described rotating shaft supporting lug, and described rotating shaft supporting lug and arcuation projection are relatively independent.
9. an image forming apparatus is characterized in that, comprises the arbitrary described paper feeder of claim 1～8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201532629U CN201834570U (en) | 2010-03-31 | 2010-03-31 | Paper feeder and imaging equipment comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201532629U CN201834570U (en) | 2010-03-31 | 2010-03-31 | Paper feeder and imaging equipment comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201834570U true CN201834570U (en) | 2011-05-18 |
Family
ID=44004670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201532629U Expired - Fee Related CN201834570U (en) | 2010-03-31 | 2010-03-31 | Paper feeder and imaging equipment comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201834570U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205914A (en) * | 2010-03-31 | 2011-10-05 | 珠海赛纳打印科技股份有限公司 | Paper feeder |
| CN102992056A (en) * | 2011-09-14 | 2013-03-27 | 住友橡胶工业株式会社 | Sheet feed roller |
-
2010
- 2010-03-31 CN CN2010201532629U patent/CN201834570U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205914A (en) * | 2010-03-31 | 2011-10-05 | 珠海赛纳打印科技股份有限公司 | Paper feeder |
| CN102205914B (en) * | 2010-03-31 | 2014-04-30 | 珠海赛纳打印科技股份有限公司 | Paper feeder |
| CN102992056A (en) * | 2011-09-14 | 2013-03-27 | 住友橡胶工业株式会社 | Sheet feed roller |
| CN102992056B (en) * | 2011-09-14 | 2016-05-18 | 住友橡胶工业株式会社 | Paper feed roller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110518 Termination date: 20170331 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |