CN207133587U - Fixing device and image processing system - Google Patents
Fixing device and image processing system Download PDFInfo
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- CN207133587U CN207133587U CN201721040184.XU CN201721040184U CN207133587U CN 207133587 U CN207133587 U CN 207133587U CN 201721040184 U CN201721040184 U CN 201721040184U CN 207133587 U CN207133587 U CN 207133587U
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- fixing band
- heat pipe
- pressing pad
- heat
- heater block
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Abstract
The utility model, which provides a kind of fixing device and image processing system, the fixing device, to be included：Fixing band, to be endless belt-shaped, with pumped (conveying) medium；Backer roll, in the fixing band；Idler roller, in the fixing band, the fixing band is tensioned to coordinate with the backer roll；Heating roller, it is arranged on the outside of the fixing band to be adjacent to and heat the fixing band；Pressurization part, the heating roller is pressed in the fixing band and by the fixing band, including the pressing pad contacted with the fixing band, with the heat pipe positioned at the relatively described fixing band side of the pressing pad, and the heater block of heat is provided for the heat pipe, the heater block is located at the one or both ends of the heat pipe.In the utility model, when temperature on heat pipe is less than the temperature of heater block, the temperature of heater block can be absorbed, and when temperature is higher than the temperature of heater block, then heat can be conveyed to heater block, the work done of heater block can be reduced, so as to reduce cost.
Description
Technical field
It the utility model is related to image and form field, kept more particularly to a kind of temperature that can make inner heat generating components
Balanced fixing device, and the image processing system using the fixing device.
Background technology
Existing office space, it is to use a set of image processing system (MFP mostly：Multi-Functional
Peripheral) to be acted as public office equipment, image processing system by following steps：Original copy feedway is used
In putting or conveying original copy, scanning element obtains the optical analog picture signal of original copy by exposing, and sends to image shape
Into unit, image formation unit makes optical analog picture signal form electrostatic latent image on photographic department surface, recycles transfer section to make
Electrostatic latent image is transferred on the medium by paper feed output after forming toner image, then medium is determined by fixation unit
Movie queen is discharged to paper discharge unit.
Existing fixing device is carried out by the toner of dielectric surface of the heater block of inside to being transmitted with fixing band
It is heating and curing.Its fixing member is the media width conveyed sometimes and routine as thermal source using the internal structure for axially setting lamp
Media width it is different, such as：, thus there is non-paper passing area in A4-R sizes, LT-R sizes etc., if carrying out logical paper and determining
Shadow, then relative to fixing band, the heat of non-paper passing area, therefore, the direction opposite with the conveying direction of fixing band can not be taken away
On can produce the temperature difference.
To solve the problem, prior art uses the structure of multiple lamps with different heating scope, although the structure energy
Enough solve problem, but cause cost to increase and complicate computer heating control.
In addition, also there is the technology that load coil is formed using segmentation, equally, there is also cause cost to increase for the structure
The shortcomings that.
Utility model content
The purpose of this utility model is to provide the fixing device that a kind of temperature that can make inner heat generating components is kept in balance,
And the image processing system using the fixing device.
Specifically, the utility model provides a kind of fixing device, including：
Fixing band, to be endless belt-shaped, with pumped (conveying) medium；
Backer roll, in the fixing band；
Idler roller, in the fixing band, the fixing band is tensioned to coordinate with the backer roll；
Heating roller, it is arranged on the outside of the fixing band to be adjacent to and heat the fixing band；
Pressurization part, the heating roller is pressed in the fixing band and by the fixing band, including with the fixing band
The pressing pad of contact, and the heat pipe positioned at the relatively described fixing band side of the pressing pad, and provide heat for the heat pipe
Heater block, the heater block is located at the one or both ends of the heat pipe.
A kind of image processing system is also provided in an embodiment of the present utility model, including：
Original copy feedway, for conveying original copy；
Scanning element, scan manuscript is to obtain optical analog picture signal；
Image forming part, the optical analog picture signal is changed to forming toner image on photographic department；
Transfer section, output after the toner image that will be formed on the photographic department is transferred on medium；
Fixing device, the toner image for being transferred to the transfer section on medium are fixed, including：
Fixing band, to be endless belt-shaped, with pumped (conveying) medium；
Backer roll, in the fixing band；
Idler roller, in the fixing band, the fixing band is tensioned to coordinate with the backer roll；
Heating roller, it is arranged on the outside of the fixing band to be adjacent to and heat the fixing band；
Pressurization part, the heating roller is pressed in the fixing band and by the fixing band, including with the fixing band
The pressing pad of contact, and the heat pipe positioned at the relatively described fixing band side of the pressing pad, and provide heat for the heat pipe
Heater block, the heater block is located at the one or both ends of the heat pipe.
When temperature is less than the temperature of heater block on heat pipe in the utility model, the temperature of heater block can be absorbed, and
When temperature is higher than the temperature of heater block, then heat can be conveyed to heater block, the acting of heater block can be reduced, so as to reduce
Cost.In addition, by using such structure, power consumption can also be reduced, improves the efficiency of heating surface, and make the end of fixing member
Portion's temperature reaches thermal balance, without possessing the temperature control of the structure of complexity or complexity.
Brief description of the drawings
Fig. 1 is the image processing system structural representation of one embodiment of the utility model；
Fig. 2 is the fixing device structural representation of one embodiment of the utility model；
Fig. 3 is the pressure pad structural representation of one embodiment of the utility model；
Fig. 4 is the fixing device structural representation of one embodiment of the utility model.
Embodiment
Hereinafter, the image processing system that embodiment is related to is described in detail with reference made to the accompanying drawings.In addition, same place in each figure
Marked with same symbol.
Fig. 1 is the image processing system structural representation of one embodiment of the utility model.
In Fig. 1, image processing system 100 can be the MFP (Multi-Function as compounding machine
Peripherals), the equipment such as printer or duplicator.Illustrated in the following description by taking MFP as an example.
MFP 100 includes a body 11 for being used to install each part, and conveying original copy is provided with the top of body 11
Original copy feedway 12 and guidance panel 13.Guidance panel 13 includes the operating portion 14 that is made up of various keys and touch plate type
Display part 15.
The scanning element 16 for reading original copy is provided with the bottom of original copy feedway 12, scanning element 16 is printed by light
Head is exposed to obtain the optical analog picture signal of original copy.Image formation unit 17 is also equipped with body 11 and is accommodated each
The paper feed that multiple paper feeding cassettes 18 of kind size medium are formed.
Image formation unit 17 includes providing yellow (Y), magenta (M), cyan (C), the tone of black (K) a variety of colors
Agent box 28 (28Y, 28M, 28C, 28K), and the photographic department according to the optical analog picture signal of scanning element 16 generation image
20Y, 20M, 20C, 20K, and the transfer by the image primary transfer on photographic department 20Y, 20M, 20C, 20K to transfer belt 21
Portion.The cleaning unit of residual toner in cleaning photosensitive drums is installed at photographic department 20Y, 20M, 20C, 20K.Each photographic department
Be provided with a photosensitive drums, cleaning unit, which generally comprises, is arranged on the upward doctor blade of photosensitive drum shaft and cleaning knife, doctor blade and
Knife is cleaned to clear up the toner of photosensitive drum surface residual when photosensitive drums rotate.
Transfer belt 21 is erected on driven roller 32 and driven voller 33,34, and driven roller 32 is relative with secondary transfer roller 35 to match somebody with somebody
Put.When medium S is by between driven roller 32 and secondary transfer roller 35, secondary transfer roller 35 applies transfer voltage by transfer belt 21
Toner image be transferred on medium S.Toner in cleaning transfer belt 21 is provided near the driven voller 34 of transfer belt 21
Cleaner 36.
In paper feed between secondary transfer roller 35, provided with the separate roller 37 for taking out the medium S in paper feeding cassette 18 and pass
Roller 38 is sent, the fixing device 39 being fixed to medium S epigraphs is provided with the downstream of secondary transfer roller 35.In fixing device 39
Downstream is provided with the transfer roller 40 for discharging medium S to paper discharge unit 41.
Further, two-sided transmitting path 42 can also be set in the downstream of fixation unit device.Two-sided transmitting path 42 makes
Medium S inverts the backward direction of secondary transfer roller 35 guiding, to carry out printed on both sides to medium S.
As shown in Figure 2,3, the fixing device 39 in an embodiment of the present utility model includes endless belt in general manner
Shape backer roll 394 and idler roller 392 in fixing band 393, is arranged on fixing band with pumped (conveying) medium S fixing band 393
393 outsides are to be adjacent to and heat the heating roller 391 of fixing band 393, and pressurization part 50.
Idler roller 392 and backer roll 391 are used to be tensioned fixing band 393, make the middle part of fixing band 393 and adding for outside
Hot-rolling 391 forms the state being adjacent to.
Pressurization part 50 is located in fixing band 393 and relative with the position of heating roller 391, is pressed to applying to fixing band 393
The pressing force of heating roller 391.Specific pressurization part 50 includes the pressing pad 51 contacted with fixing band 393, and positioned at pressing pad 51
With respect to the heat pipe 52 of the side of fixing band 393, and the heater block 53 for the offer heat of heat pipe 52, heater block 53 are arranged on heat
The one or both ends of pipe 52.
During work, heated by the opposite heat tube 52 of heater block 53, the heat of heat pipe 52 is transferred to by pressing pad 51
On fixing band 393, so as to which the medium S for coordinating heating roller 391 to convey fixing band 393 is fixed.
Heat pipe 52 transfers heat to pressing pad 51 under the heating of heater block 53, enables pressing pad 51 by heat
Stably it is sent on fixing band 393.When conveying narrower medium S on fixing band 393, the non-overwrite media in its one or both sides
After S position temperature rise, pressing pad 51 can receive the high temperature of non-paper passing area and the relative low temperature of paper passing area simultaneously, then
Be transferred on heat pipe 52, then by the heat transfer of itself of heat pipe 52, be consistent temperature, then return to pressing pad 51, make by
The temperature of pressure pad 51 is kept in balance, and then the temperature of fixing band 393 is also maintained equilibrium, so as to be solved by simple structure
Temperature unbalanced problem on fixing band 393.
In present embodiment, when the temperature on heat pipe 52 is less than the temperature of heater block 53, heater block 53 can be absorbed
Temperature, and temperature be higher than heater block 53 temperature when, then can to heater block 53 convey heat, heater block 53 can be reduced
Acting, so as to reduce cost.In addition, by using such structure, power consumption can also be reduced, improves the efficiency of heating surface, and
The end region temperature of fixing member is set to reach thermal balance, without possessing the temperature control of the structure of complexity or complexity.
Specific heat pipe 52 can be made up of the high metal of aluminium type of thermosensitive performance, and pressing pad 51 can also be by same
Metal material be made.Heat pipe 52 and pressing pad 51 can be installed together by way of activity clamps, and can also be used and be pressed
The modes such as pressure are fixed together to form integrative-structure.
Pressing pad 51 can make it keep certain pressure to fixing band 393 all the time by spring one kind elastic construction.
In present embodiment, although what is limited is pressing pad 51, in other embodiments, can also directly it make
Heat pipe 52 contacts with fixing band 393, without using pressing pad 51.
The press section 50 of present embodiment is distributed in the whole width regions contacted with fixing band 393, therefore, even in logical
Paper region carries out causing the temperature of paper passing area to reduce after heating is fixing, can also be immediately by it by the proportionality action of heat pipe 52
The heat transfer at place comes, and the temperature at the temperature and heater block 53 of non-paper passing area is reached thermal balance.In addition, by only
The thermal balance between thermal capacity and each part needed for heating carries out heat transfer, can improve heating efficiency.
In an embodiment of the present utility model, specific heater block 53 can use ceramic heater.Ceramics
Heater may be mounted at one end of heat pipe 52, can also be separately mounted to the both ends of heat pipe 52.Mounting means can be activity
The mode of contact or the mode being fixedly connected.
, can be with to reduce the friction between pressurization part 50 and fixing band 393 in an embodiment of the present utility model
Installation reduces the sliding part (not shown) of friction between pressing pad 51 and fixing band 393.Specifically sliding part can be
The metalwork of the outer surface of pressing pad 51 or the heat resistance coating coated in the outer surface of pressing pad 51 are clamped or are fixed on,
Such as:The resin of heat resistance, such as PEEK materials, phenolic resin are made, more slightly wider than paper passing area.
As shown in figure 4, in an embodiment of the present utility model, for convenience of obtaining when fixing device 39 works everywhere
Temperature, can in the inner side of fixing band 393, configure detection the temperature of fixing band 393 temperature sensor 54 or thermostat, so as to
The temperature of fixing band 393 can be controlled, specific temperature detection part can be disposed on the contact heat of the periphery of fixing band 393
Quick resistance or contactless thermistor, and the NTC thermistor as non-contact infrared temperature detection part, thermoelectricity
Heap.Temperature detection part whether contact or contactless, if can be with detection temperature, and may not be multiple
It is several.
Although the description of several embodiments of the present utility model, but these embodiments are intended only as example and proposed
, it is not intended to limit the scope of the utility model.These new embodiments, it can be implemented in a manner of other are various,
In the range of the main idea of utility model is not departed from, various omissions, displacement, combination and change can be carried out.These embodiments
All it is contained in the scope of the utility model and main idea with its deformation, and it is new to be contained in this practicality described in claims
In type and its equivalency range.
Claims (10)
1. fixing device, it is characterised in that including：
Fixing band, to be endless belt-shaped, with pumped (conveying) medium；
Backer roll, in the fixing band；
Idler roller, in the fixing band, the fixing band is tensioned to coordinate with the backer roll；
Heating roller, it is arranged on the outside of the fixing band to be adjacent to and heat the fixing band；
Pressurization part, the heating roller is pressed in the fixing band and by the fixing band, including contacted with the fixing band
Pressing pad, and the heat pipe positioned at the relatively described fixing band side of the pressing pad, and for the heat pipe provide heat plus
Thermal part, the heater block are located at the one or both ends of the heat pipe.
2. fixing device according to claim 1, it is characterised in that
The heater block is ceramic heater, the heat pipe and the pressing pad to be made for metal, the ceramic heater with
Heat pipe activity is fixedly connected, and the heat pipe and the pressing pad is grip or integral production.
3. fixing device according to claim 2, it is characterised in that
Installation is reduced the sliding part of friction between the pressing pad and the fixing band.
4. fixing device according to claim 3, it is characterised in that
The sliding part is clamping or the metalwork for being fixed on the pressing pad outer surface, or coated in the pressing pad outer surface
Heat resistance coating.
5. fixing device according to claim 1, it is characterised in that
There is temperature sensor in the inner surface setting of the fixing band.
A kind of 6. image processing system, it is characterised in that including：
Original copy feedway, for conveying original copy；
Scanning element, scan manuscript is to obtain optical analog picture signal；
Image forming part, the optical analog picture signal is changed to forming toner image on photographic department；
Transfer section, output after the toner image that will be formed on the photographic department is transferred on medium；
Fixing device, the toner image for being transferred to the transfer section on medium are fixed, including：
Fixing band, to be endless belt-shaped, with pumped (conveying) medium；
Backer roll, in the fixing band；
Idler roller, in the fixing band, the fixing band is tensioned to coordinate with the backer roll；
Heating roller, it is arranged on the outside of the fixing band to be adjacent to and heat the fixing band；
Pressurization part, the heating roller is pressed in the fixing band and by the fixing band, including contacted with the fixing band
Pressing pad, and the heat pipe positioned at the relatively described fixing band side of the pressing pad, and for the heat pipe provide heat plus
Thermal part, the heater block are located at the one or both ends of the heat pipe.
7. image processing system according to claim 6, it is characterised in that
The heater block is ceramic heater, the heat pipe and the pressing pad to be made for metal, the ceramic heater with
Heat pipe activity is fixedly connected, and the heat pipe and the pressing pad is grip or integral production.
8. image processing system according to claim 7, it is characterised in that
Installation is reduced the sliding part of friction between the pressing pad and the fixing band.
9. image processing system according to claim 8, it is characterised in that
The sliding part is clamping or the metalwork for being fixed on the pressing pad outer surface, or coated in the pressing pad outer surface
Heat resistance coating.
10. image processing system according to claim 6, it is characterised in that
There is temperature sensor in the inner surface setting of the fixing band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721040184.XU CN207133587U (en) | 2017-08-18 | 2017-08-18 | Fixing device and image processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721040184.XU CN207133587U (en) | 2017-08-18 | 2017-08-18 | Fixing device and image processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207133587U true CN207133587U (en) | 2018-03-23 |
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ID=61635132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721040184.XU Active CN207133587U (en) | 2017-08-18 | 2017-08-18 | Fixing device and image processing system |
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| CN (1) | CN207133587U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110780567A (en) * | 2018-07-24 | 2020-02-11 | 东芝泰格有限公司 | Fixing device and image forming apparatus |
-
2017
- 2017-08-18 CN CN201721040184.XU patent/CN207133587U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110780567A (en) * | 2018-07-24 | 2020-02-11 | 东芝泰格有限公司 | Fixing device and image forming apparatus |
| CN110780567B (en) * | 2018-07-24 | 2023-06-20 | 东芝泰格有限公司 | Fixing device and image forming apparatus |
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