CN101630137B - Fixing device on imaging equipment - Google Patents
Fixing device on imaging equipment Download PDFInfo
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- CN101630137B CN101630137B CN200910109294A CN200910109294A CN101630137B CN 101630137 B CN101630137 B CN 101630137B CN 200910109294 A CN200910109294 A CN 200910109294A CN 200910109294 A CN200910109294 A CN 200910109294A CN 101630137 B CN101630137 B CN 101630137B
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- pressure
- fixing device
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- mill
- rope form
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Abstract
The invention relates to a fixing device on image equipment, which comprises a heating roller, a pressure roller, a bracket used for positioning and supporting the pressure roller and the heating roller and a pressure application mechanism for enforcing the pressure roller and the heating roller to have a pressure contact, wherein the pressure application mechanism comprises a rope-shaped or strap-shaped connection part and a force application part for applying force to the rope-shaped or strap-shaped connection part. After the scheme of the fixing device is adopted, because the relaxation or the tenseness of the rope-shaped or strap-shaped connection part is utilized to enable the pressure roller and the heating roller to have the pressure contact, when a paper jam occurs, the force applied to the rope-shaped or strap-shaped connection part is reduced or removed, thereby reducing or eliminating the pressure of jammed paper so as to ensure that the paper is easy to release. The invention solves the technical problem that the paper is difficult to release after the paper jam occurs to a fixing device on the existing imaging equipment.
Description
Technical field
The present invention relates to the fixing device on a kind of imaging device.
Background technology
Decide assembling device such as the image of the electrophotographic image forming of printer, duplicating machine and facsimile recorder and comprise warm-up mill, and the pressure roll that closes on warm-up mill, said pressure roll is with predetermined pressure Contact Heating roller, i.e. composing images fixing device.Make the recording medium of the toner image that has not photographic fixing on it through between warm-up mill and the pressure roll, so utilize heat and pressure with image fixing on recording medium.
In Fig. 1, a kind of common fixing device 70 is shown, the support through on 160 on the spring 190 elasticity support pressure rollers makes pressure roll 160 contact with warm-up mill 170 pressure.When containing the imaging device generation paperboard of this kind fixing device, imaging device stops current operation.Must remove the paper that is blocked this moment earlier, and imaging device is just started working continuing.In order to get rid of the paperboard that fixing device 70 takes place, a lid that can open and close is set on the paper feed passage normally.Yet, because the pressure between pressure roll 160 and the warm-up mill 170 is very big, be approximately 30～50kg, so the paper that is stuck between pressure roll and the warm-up mill is difficult to remove.When pulling out paper, on the paper not the carbon dust of photographic fixing will stick on the hot-rolling 170, stain fixing roller 170 and can scratch fixing roller 170, especially when paper roll to roller, paper can't be extracted out.The life-span that like this, just is not easy to obtain good photographic fixing and influences fixing device 70.
Summary of the invention
The present invention provides the fixing device on a kind of imaging device, after paperboard takes place, is difficult to remove the technical matters of being opened by paperboard with the fixing device that solves on the existing imaging device.
In order to solve above technical matters, the technical scheme that the present invention takes is:
Fixing device on a kind of imaging device; Comprise: warm-up mill, pressure roll, be used for the support and the pressure exerting arrangement that forces pressure roll to contact of positioning supports pressure roll and warm-up mill with warm-up mill pressure; It is characterized in that said pressure exerting arrangement comprises rope form or banded link and gives the force application part of the said rope form or the banded link application of force.
Said rope form or banded link two ends are fixedly connected on the said support.
Said rope form or banded link directly link to each other with warm-up mill with described pressure roll.
Also comprise supporting and movable part; Said force application part comprises elastic parts and the support that is used to support the said elastic parts in location; Center of effort butt under the duty on said elastic parts and said rope form or the banded link; Said force application part is fixed through said support movable, and said movable part is connected with said force application part.
After having adopted such scheme; Owing to make pressure roll contact with warm-up mill pressure through utilizing the loose of rope form or banded link or tightening; When paperboard occurring, reduce or cancel the power that rope form or banded link are applied, thereby reduce or eliminated institute's paperboard and opened the pressure that receives; Make paper be disengaged easily, solved and be difficult to remove the technical matters of being opened after the fixing device generation paperboard on the existing imaging device by paperboard.
Description of drawings
Fig. 1 is the cut-open view of existing fixing device;
Fig. 2 is the synoptic diagram of imaging device;
Fig. 3 is the structural representation of the embodiment of the invention one;
Fig. 4 is the structural representation of the embodiment of the invention two;
Fig. 5 is the synoptic diagram of rope form or banded link off working state among the present invention;
Fig. 6 is the synoptic diagram when rope form or banded link duty among the present invention.
Embodiment
Imaging device according to a preferred embodiment of the invention will reference will be made to the accompanying drawings.
(1) one-piece construction of laser printer
With reference to Fig. 2, photosensitive drums 13 is rotated with predetermined direction.In rotary course, photosensitive drums 13 outside surfaces are recharged roller 14 and fill with predetermined polarity voltage.Its charged outside surface received the irradiation of laser cell 15 when photosensitive drums 13 was rotated, so on the outside surface of exposure, form electrostatic latent image.Being formed on electrostatic latent image on the photosensitive drums 13 is developed roller 13 by toner and develops to visual toner image.
A recording medium P (being paper, transparent film etc.) who is loaded in away in the carton 3 supplies with to photosensitive drums 13 along the paper feed channel through the driving of paper feed roller.In the time of between recording medium P is through photosensitive drums 13 and transfer roll 6, the toner image on the photosensitive drums 13 is transferred on the recording medium P.Have recording medium P that transfer printing has a toner subsequently through between the warm-up mill and pressure roll of image forming apparatus 7, thus toner image by photographic fixing on recording medium P.Through behind the image forming apparatus 7, recording medium P is discharged on the paper disc 9 through exit roller 8.
(2) structure of fixing device 7
Next will describe the structure of fixing device 7 in detail.With reference to Fig. 3, Fig. 4; Fixing device comprises warm-up mill 17, be arranged in the face of warm-up mill 17 and press the pressure roll 16 of warm-up mill; In order to the back up pad 19 that pressure roll 16 and warm-up mill 17 are fitted together, and exert pressure at the two ends of fixing device 7 and to make the rope form or the banded link W of pressure roll 16 pressure Contact Heating rollers 17.
Embodiment one
Referring to Fig. 3, wherein be provided with framework 19 and be used for back-up pressure roller 16 and fixing roller 17, make it can not depart from normal position.Rope form or banded link W directly link to each other with bonus point roller 17 with pressure roll 16; Force application part 23 is between rope form or the banded link W; Force application part 23 comprises elastic parts 24 and the support 25 that is used to support this elastic parts 23 of location; Center of effort 20,21 butts under the duty on elastic parts 24 and rope form or the banded link W, force application part 23 is movable fixing through supporting 26, and a movable part (not shown on the figure) is connected with force application part; Make force application part rotate, thereby rope form or banded link W are compressed or unclamp around supporting 26.
Embodiment two
Referring to Fig. 4, wherein be provided with framework 19 and be used for back-up pressure roller 16 and fixing roller 17, make it can not depart from normal position.Be used for the rope form or the banded link W that exert pressure to pressure roll 16; The end W1 of rope form or banded link W is fixed on the fixation kit 22 on the framework; 16 back other end W2 are fixed on the fixation kit 23 on the framework through pressure roll; Force application part 23 is between rope form or the banded link W, and force application part 23 comprises elastic parts 24 and the support 25 that is used to support this elastic parts 23 of location, center of effort 20,21 butts under the duty on elastic parts 24 and rope form or the banded link W; Force application part 23 is movable fixing through supporting 26; One movable part (not shown on the figure) is connected with force application part, makes force application part rotate around supporting 26, thereby rope form or banded link W are compressed or unclamps.
When paperboard appears in the fixing device 7 of the imaging device 1 that adopts above-mentioned two kinds of embodiment: reduce or cancel rope form or banded link W are applied power F1, make rope form or banded link W be in relaxed state, take the paper P that is blocked away; After removing paperboard P, recover to make rope form or banded link W1 be in tensioned state to rope form or banded link W application of force F1, make pressure roll 16 contact with warm-up mill 17 pressure, fixing device 7 is got back to duty.
Explain the principle of work of rope form or banded link below:
Fig. 5, Fig. 6 are respectively work and the off working state of rope form or banded link W, and when establishing duty, an end of pressure roll 16 is F to the pressure of hot-rolling 17; The angle of rope form or banded link W and vertical direction is θ; F1=Ftg θ then according to the character of tan, is prone to know: when 0 °＜θ＜45 °; F1＜F; Also then the time when satisfied 0 °＜θ＜45 °, only need apply a very little power just can realize fully contacting of pressure roll 16 and warm-up mill 17, and the more little needed power of θ is also more little.
Although the present invention has carried out detailed description with reference to preferred embodiment, it will be apparent to those skilled in the art that not deviating under the prerequisite of the present invention, can do multiple change or change therein.
Claims (3)
1. the fixing device on the imaging device; Comprise: warm-up mill, pressure roll, be used for the support and the pressure exerting arrangement that forces pressure roll to contact of positioning supports pressure roll and warm-up mill with warm-up mill pressure; It is characterized in that; Also comprise supporting and movable part, said pressure exerting arrangement comprises rope form or banded link and gives the force application part of the said rope form or the banded link application of force that said force application part comprises elastic parts and the support that is used to support the said elastic parts in location; Center of effort butt under the duty on said elastic parts and said rope form or the banded link; Said force application part is fixed through said support movable, and said movable part is connected with said force application part, makes force application part rotate around supporting.
2. the fixing device on the imaging device as claimed in claim 1 is characterized in that, said rope form or banded link two ends are fixedly connected on the said support that is used for positioning supports pressure roll and warm-up mill.
3. the fixing device on the imaging device as claimed in claim 1 is characterized in that, said rope form or banded link directly link to each other with warm-up mill with described pressure roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910109294A CN101630137B (en) | 2009-08-05 | 2009-08-05 | Fixing device on imaging equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910109294A CN101630137B (en) | 2009-08-05 | 2009-08-05 | Fixing device on imaging equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101630137A CN101630137A (en) | 2010-01-20 |
| CN101630137B true CN101630137B (en) | 2012-09-05 |
Family
ID=41575276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910109294A Active CN101630137B (en) | 2009-08-05 | 2009-08-05 | Fixing device on imaging equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101630137B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5045887A (en) * | 1989-08-09 | 1991-09-03 | Minolta Camera Kabushiki Kaisha | Fixing device with a selectively movable cover |
| CN1725121A (en) * | 2004-07-15 | 2006-01-25 | 株式会社东芝 | Pressure releasing device and image forming device |
-
2009
- 2009-08-05 CN CN200910109294A patent/CN101630137B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5045887A (en) * | 1989-08-09 | 1991-09-03 | Minolta Camera Kabushiki Kaisha | Fixing device with a selectively movable cover |
| CN1725121A (en) * | 2004-07-15 | 2006-01-25 | 株式会社东芝 | Pressure releasing device and image forming device |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2003-165662A 2003.06.10 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101630137A (en) | 2010-01-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHUHAI SAINA TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHUHAI NASIDA ENTERPRISE MANAGEMENT CO., LTD. Effective date: 20100726 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20100726 Address after: 519000 No. 63 Mingzhu North Road, Xiangzhou District, Guangdong, Zhuhai Applicant after: Zhuhai Saina Technology Co., Ltd. Address before: 519000 No. 63 Mingzhu North Road, Xiangzhou District, Guangdong, Zhuhai Applicant before: Zhuhai Nasida Enterprise Management Co., Ltd. |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190426 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: 519000 No. 63 Mingzhu North Road, Xiangzhou District, Zhuhai City, Guangdong Province Patentee before: Zhuhai Saine Printing Technology Co.,Ltd. |