CN110083037A - Fixing device and image-forming device - Google Patents
Fixing device and image-forming device Download PDFInfo
- Publication number
- CN110083037A CN110083037A CN201910225931.4A CN201910225931A CN110083037A CN 110083037 A CN110083037 A CN 110083037A CN 201910225931 A CN201910225931 A CN 201910225931A CN 110083037 A CN110083037 A CN 110083037A
- Authority
- CN
- China
- Prior art keywords
- heat
- fixing device
- rolling
- hot
- proof device
- 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.)
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Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
- G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
- G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
- G03G15/2039—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat with means for controlling the fixing temperature
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/20—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat
- G03G15/2003—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat
- G03G15/2014—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat
- G03G15/2039—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat with means for controlling the fixing temperature
- G03G15/2046—Apparatus for electrographic processes using a charge pattern for fixing, e.g. by using heat using heat using contact heat with means for controlling the fixing temperature specially for the influence of heat loss, e.g. due to the contact with the copy material or other roller
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fixing For Electrophotography (AREA)
Abstract
The present invention provides a kind of fixing device and image-forming device, a kind of fixing device includes: heat-proof device, it is located on hot-rolling and pressure roller, its internal heat for forming insulated space to keep the hot-rolling to generate, the both ends along its length of the heat-proof device are provided with closure part, and the closure part is to stop heat to scatter and disappear from the both ends of the heat-proof device.The waste heat that heat-proof device in the present invention can release above-mentioned hot-rolling in print procedure, it is maintained in the space of heat-proof device formation, the heat being held up remains in the insulated space of heat-proof device, it can be used to keep the temperature of printing environment in turn, to reduce hot-rolling to the heating load of printing environment, to reduce fixing energy consumption.
Description
Technical field
The present invention relates to image-forming technical fields, and in particular to a kind of fixing device and image-forming device.
Background technique
Fixation unit is the critical component of laser printer, is melted by generation high temperature realization carbon dust and is finally fixed at paper
On.
It is provided with hot-rolling and pressure roller in fixation unit in the prior art, halogen lamp is provided in hot-rolling, halogen lamp is opened
Hot-rolling is heated, when print media is driven in the gap of hot-rolling and pressure roller, is acted on by the temperature-pressure of fixation unit, by carbon
Powder etc. is fixed on the print medium.
But there are two the shortcomings that by being heated at high temperature carbon dust: first is that the high temperature generated is dispersed into inside machine, causing machine
Device internal temperature rises, so that part temperature classification needs to improve, even if being radiated using fan, when continuous printing
It is easy to cause printing reduction of speed even to stop；Second is that energy consumption is high, 90% or more energy consumption under printer working condition is single from fixing
Member has the efficiency of complete machine and is obviously improved if fixing energy consumption can be reduced.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that overcoming the fixation unit defect that energy consumption is high in the prior art, from
And provide a kind of fixing device and image-forming device.
To solve the above-mentioned problems, the present invention provides a kind of fixing devices, comprising: heat-proof device, be located at hot-rolling and
On pressure roller, the internal heat for forming insulated space to keep the hot-rolling to generate, the heat-proof device along its length
Both ends are provided with closure part, and the closure part is to stop heat to scatter and disappear from the both ends of the heat-proof device.
Further, the closure part is integrally formed the both ends that the heat-proof device is arranged in, and is arranged on the closure part
The useful opening passed through for the hot-rolling and the pressure roller.
Further, the position that the hot-rolling and the pressure roller are matched with the opening is provided with sealing structure.
Further, the sealing structure is asbestos.
Fixing device in the present invention further include: temperature detecting module is arranged inside the heat-proof device, to detect
The medium printing temperature of the hot-rolling；Controller is started or stoped to control the hot-rolling according to the medium printing temperature
Heating work.
Further, the heat-proof device is directly prepared by heat-barrier material.
Further, the heat-proof device is the shell structure that surface is provided with thermal insulation layer.
Further, paper feed port and exit slot, print media warp are symmetrically arranged in the axial sides of the heat-proof device
The paper feed port imports fixing device, exports fixing device through the exit slot.
Further, it is directed away from the heat-proof device direction at the paper feed port and is provided with guidance away from print media
Structure.
A kind of image-forming device, comprising: any fixing device in the claims.
Technical solution of the present invention has the advantages that
1. fixing device provided by the invention includes: heat-proof device, it is located on hot-rolling and pressure roller, internal formation is heat-insulated
With the heat for keeping the hot-rolling to generate, the both ends along its length of the heat-proof device are provided with closure part, described in space
Closure part is to stop heat to scatter and disappear from the both ends of the heat-proof device.Existing fixing device is during medium printing
Guaranteeing that the environment temperature of printing can achieve preset value, the heating temperature of usual hot-rolling ontology is higher than default print temperature,
The heat that the temperature that is higher by generates usually is lost to the external world, causes the waste of the energy, and the heat-proof device in the present invention can will be above-mentioned
The waste heat that hot-rolling releases in print procedure is maintained in the space of heat-proof device formation, and the heat being held up is deposited
It stays in the insulated space of heat-proof device, can be used to keep the temperature of printing environment in turn, to reduce hot-rolling to printing environment
Heating load, to reduce fixing energy consumption.
2. fixing device provided by the invention further include: temperature detecting module is arranged inside the heat-proof device, to
Detect the medium printing temperature of the hot-rolling；Controller, to according to the medium printing temperature control hot-rolling starting or
Stop heating work.With fixing device in the prior art in medium printing, that is, compared with hot-rolling begins to warm up work, this hair
In bright by detection environment print temperature, according to the real-time condition of print temperature control hot-rolling whether heating work, avoid one
When straight heating printing, on the other hand the waste of the energy of generation because of the utilization to hot-rolling waste heat, can effectively reduce hot-rolling interruption
Property heating work frequency, be conducive to increase hot-rolling service life.
3. closure part described in fixing device provided by the invention is integrally formed the both ends that the heat-proof device is arranged in, institute
The opening being provided on closure part with passing through for the hot-rolling and the pressure roller is stated, structure is meeting installation components demand
On the basis of, other positions ensure that airtightness, can effectively ensure that the heat insulation of heat-proof device.
4. hot-rolling described in fixing device provided by the invention and the pressure roller are arranged with the position matched that is open
There is sealing structure.The heat that the sealing structure can effectively prevent hot-rolling to generate, is lost to the external world, Jin Erzeng from above-mentioned opening
The heat insulation of strong heat-proof device.
5. being directed away from the heat-proof device direction at paper feed port described in fixing device provided by the invention is provided with back
Guide structure from print media, print media imported into fixing device by paper feed port by the guiding function of guide structure
In, prevent medium from Caton phenomenon occur.
6. image-forming device provided by the invention, including above-mentioned fixing device, have the characteristics that low energy consumption, and because
The reduction for the thermal energy that fixing device is externally discharged can have to reduce the degree that is influenced by heat with structure at fixing device cooperation
Effect increases the service life of this part-structure, and in design selection, it is lower that heat resistant requirements can be used in the structure at cooperation
Material, and then reduce the cost of whole image molding machine.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the fixing device provided in the embodiment of the present invention 1；
Fig. 2 is the cross-sectional view at the place Figure 1A-A；
Fig. 3 is a kind of embodiment structure schematic diagram for the heat-proof device that the present invention is implemented in the fixing device provided in 1.
Description of symbols:
1- heat-proof device；11- paper feed port；12- exit slot；
2- hot-rolling；
3- pressure roller；
4- guide structure.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Embodiment 1
It is a kind of fixing device provided in this embodiment, comprising: heat-proof device 1 is located at hot-rolling 2 shown in Fig. 1 to Fig. 3
On pressure roller 3, the internal heat for forming insulated space to keep the hot-rolling 2 to generate, the heat-proof device 1 along length side
To both ends be provided with closure part, the closure part is to stop heat to scatter and disappear from the both ends of the heat-proof device 1.The present embodiment
In hot-rolling 2 inside be hollow structure, heat source, such as halogen lamp are installed, the heat that heat source generates is through warm in hollow structure
In the superficial radiation of roller 2 to the print space of fixing device, heating fixing function is realized, existing fixing device is in medium printing
In the process, in order to guarantee that the environment temperature of printing can achieve preset value, the heating temperature of usual 2 ontology of hot-rolling is higher than default
Print temperature, the heat that the temperature being higher by generates usually are lost to the external world, cause the waste of the energy, the heat-proof device in the present invention
1 waste heat that can release above-mentioned hot-rolling 2 in print procedure is maintained in the space of the formation of heat-proof device 1, is kept
Heat firmly remains in the insulated space of heat-proof device 1, can be used to keep the temperature of printing environment in turn, to reduce hot-rolling
The heating load of 2 pairs of printing environments, to reduce fixing energy consumption.
Axial sides in the present embodiment in the heat-proof device 1 are symmetrically arranged with paper feed port 11 and exit slot 12, printing
Medium imports fixing device through the paper feed port 11, exports fixing device through the exit slot 12.
Fixing device in the present embodiment further include: temperature detecting module is arranged close to the hot-rolling 2, is situated between to detect
Matter print temperature, the temperature information that has the temperature sensor of detection temperature and will test is sent to controller, above-mentioned
Controller is electrically connected with temperature detecting module, and default print temperature is arranged inside, and controller judges whether medium printing temperature reaches
To default print temperature, and when medium printing temperature is less than the default print temperature, controls the hot-rolling 2 and carry out heater
Make, reaches preset temperature time control heating roller 2 in medium printing temperature and stop heating, the control mode in the present embodiment is control halogen
The opening and closing of plain lamp.With fixing device in the prior art in medium printing, that is, compared with hot-rolling 2 begins to warm up work, the present invention
In by detection environment print temperature, according to the real-time condition of print temperature control hot-rolling 2 whether heating work, avoid always
When heating printing, on the other hand the waste of the energy of generation because of the utilization to 2 waste heat of hot-rolling, can effectively reduce the interruption of hot-rolling 2
Property heating work frequency, be conducive to increase hot-rolling 2 service life.
Further, as shown in Figure 1, the closure part is integrally formed the both ends that the heat-proof device 1 is arranged in, the envelope
It is provided in stifled portion with the opening passed through for the hot-rolling 2 and the pressure roller 3., structure is in satisfaction installation components demand
On the basis of, other positions ensure that airtightness, can effectively ensure that the heat insulation of heat-proof device 1.The shape of its split shed
It can be the shape (not shown) of slotted hole according to the profile arrangement of pressure roller 3 and hot-rolling 2, in the present embodiment.
Wherein in order to guarantee the heat-proof quality of opening, set at the opening and 3 cooperation of the hot-rolling 2 and the pressure roller
It is equipped with sealing structure, the sealing structure in the present embodiment is to be pasted onto the heat-insulated asbestos of opening, and the heat-insulated asbestos are filled in
In gap at the cooperation, to completely cut off external transmitting of the heat from above-mentioned gap location, and then guarantee the heat-insulated effect of heat-proof device 1
Fruit.
Heat-proof device 1 or the assembly by different housings structure composition in wherein some embodiments, at it
In in a specific embodiment, as shown in figure 3, heat-proof device 1 includes: main casing, the hollow cylinder structure of both ends open,
It is arranged jagged on its peripheral wall, the heat-proof device is located on the hot-rolling and the pressure roller through the indentation, there；And even
The left end cap and right end cap at the main casing both ends are connect, wherein the left end cap, the right end cap, the main casing and fixed
Insulated space is collectively formed in the lower installation board of image device.
The heat-proof device 1 in the present embodiment is directly prepared by heat-barrier material, straight by mold production process
It is connected into type, high in machining efficiency, production and assembly simple process.
The heat-proof device 1 described in some other embodiment is the shell structure that surface is provided with thermal insulation layer, wherein
In one specific embodiment, thermal insulation layer is the heat insulation foam of black, is provided with non cohesive gel in one side, can be affixed directly to
The housing outer surface of heat-proof device 1, certainly as other deformations, bonding method can also be pasted onto the interior table of heat-proof device 1
The embodiment that face or surfaces externally and internally are pasted simultaneously, the design method of thermal insulation layer, cost is relatively low for thermal insulation layer, and heat-proof device 1
Material be general material, can effectively reduce the cost of heat-proof device 1.
The paper feed port 11 and the exit slot 12 in the present embodiment are separately positioned on the hot-rolling 2 or the pressure roller 3
Two sides, be preferably carried out in mode at wherein one, paper feed port 11 and exit slot 12 can be protected as far as possible in same level
The transmission path for demonstrate,proving medium is most short, favorably promotes print speed.
Further, 1 direction of heat-proof device is directed away from the paper feed port 11 to be provided with away from print media
Guide structure 4, print media are imported into fixing device by the guiding function of guide structure by paper feed port 11, prevent medium
There is Caton phenomenon.
Embodiment 2
Present embodiments providing a kind of image-forming device includes fixing device described in embodiment 1, with low energy
The characteristics of consumption, and the reduction for the thermal energy being externally discharged by fixing device, thus reduce at fixing device cooperation structure it is heated
Influence degree can effectively increase the service life of this part-structure, and in design selection, the structure at cooperation can be used resistance to
It is hot to require lower material, and then reduce the cost of whole image molding machine.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of fixing device characterized by comprising
Heat-proof device (1) is located on hot-rolling (2) and pressure roller (3), and the internal insulated space that formed is to keep the hot-rolling (2)
The both ends along its length of the heat of generation, the heat-proof device (1) are provided with closure part, and the closure part is to stop heat
Amount is scattered and disappeared from the both ends of the heat-proof device (1).
2. fixing device according to claim 1, which is characterized in that the closure part, which is integrally formed, to be arranged described heat-insulated
The both ends of device (1) are provided with the opening passed through for the hot-rolling (2) and the pressure roller (3) on the closure part.
3. fixing device according to claim 2, which is characterized in that the hot-rolling (2) and the pressure roller (3) are opened with described
The position that mouth matches is provided with sealing structure.
4. fixing device according to claim 3, which is characterized in that the sealing structure is asbestos.
5. fixing device according to claim 1 to 4, which is characterized in that further include:
Temperature detecting module, setting is internal in the heat-proof device (1), to detect the medium printing temperature of the hot-rolling (2)；
Controller starts or stops heating work to control the hot-rolling (2) according to the medium printing temperature.
6. fixing device according to claim 5, which is characterized in that the heat-proof device (1) is directly made by heat-barrier material
It is standby to form.
7. fixing device according to claim 5, which is characterized in that the heat-proof device (1) is provided with heat-insulated for surface
The shell structure of layer.
8. fixing device according to claim 6 or 7, which is characterized in that the axial sides pair in the heat-proof device (1)
Title is provided with paper feed port (11) and exit slot (12), and print media imports fixing device through the paper feed port (11), through it is described out
Paper mouth (12) exports fixing device.
9. fixing device according to claim 8, which is characterized in that be directed away from the paper feed port (11) described heat-insulated
Device (1) direction is provided with the guide structure (4) away from print media.
10. a kind of image-forming device characterized by comprising
Any fixing device in the claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910225931.4A CN110083037A (en) | 2019-03-21 | 2019-03-21 | Fixing device and image-forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910225931.4A CN110083037A (en) | 2019-03-21 | 2019-03-21 | Fixing device and image-forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110083037A true CN110083037A (en) | 2019-08-02 |
Family
ID=67413560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910225931.4A Pending CN110083037A (en) | 2019-03-21 | 2019-03-21 | Fixing device and image-forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110083037A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11480902B2 (en) * | 2020-10-27 | 2022-10-25 | Sharp Kabushiki Kaisha | Sheet heating device and image forming apparatus |
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Application publication date: 20190802 |