CN108215034A - The manufacturing method of endless belt and the manufacturing device of endless belt - Google Patents
The manufacturing method of endless belt and the manufacturing device of endless belt Download PDFInfo
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- CN108215034A CN108215034A CN201711364661.2A CN201711364661A CN108215034A CN 108215034 A CN108215034 A CN 108215034A CN 201711364661 A CN201711364661 A CN 201711364661A CN 108215034 A CN108215034 A CN 108215034A
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- roller
- endless belt
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- cushion space
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/24—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length
- B29C41/26—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length by depositing flowable material on a rotating drum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
- B29C41/34—Component parts, details or accessories; Auxiliary operations
- B29C41/46—Heating or cooling
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- 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
- G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
- G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
-
- 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
- G03G15/2017—Structural details of the fixing unit in general, e.g. cooling means, heat shielding means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electrophotography Configuration And Component (AREA)
- Moulding By Coating Moulds (AREA)
- Electrostatic Charge, Transfer And Separation In Electrography (AREA)
- Fixing For Electrophotography (AREA)
- Rolls And Other Rotary Bodies (AREA)
Abstract
A kind of manufacturing method of endless belt and the manufacturing device of endless belt are provided, subject is the film evenly drying for the coating for making endless belt.The manufacturing method of the endless belt of the present invention includes following process：Using in the axial overall length for the inside and roller for being configured at roller, and in the circumferential direction of roller and induction heating apparatus that the peripheral surface away from roller is configured with identical distance, sensing heating is carried out in the film that the peripheral surface of roller is formed to the coating containing thermosetting resin, thermosetting resin is made to cure and manufacture endless belt.
Description
Technical field
The present invention relates to the manufacturing method of endless belt and the manufacturing devices of endless belt.
Background technology
In the image forming apparatus of full color image, in general, from the toner image that photoreceptor is formed to intermediate transfer belt
Middle transfer bodies primary transfer is waited, is then secondarily transferred in the recording mediums such as plain paper via the fixing body such as fixing belt.It is intermediate
Transfer belt, fixing belt use seamless endless belt.
Manufacturing method as endless belt, it is known that resin solution is coated on hollow cylinder in a manner of becoming certain thickness
Inner peripheral surface, the peripheral surface of the mold of shape and after forming film, heat film, manufacture the method for endless belt (for example, referring to patent text
It offers 1).
A kind of band manufacturing device has been recorded in patent document 1, has been had：The cylindric mold that is formed by metal, in mold
Coating resin solution and formed the apparatus for coating of film, make mold the rotating device to rotate in a circumferential direction, to film carry out sensing plus
The load coil of heat, the supply unit being powered to load coil.From mould in the section orthogonal with the axial direction of mold
The center of tool is to the liftoff configuration induction coil of peripheral surface lateral deviation.
In addition, described in patent document 1 as the action with manufacturing device. while mold is made to rotate in a circumferential direction
The film that is formed to the surface-coating resins solution in mold carries out sensing heating and manufactures the band manufacturing method of endless belt.It should
In band manufacturing method, using the high metal mold of energy conversion efficiency, heat the film on mold and manufacture endless belt.
In addition, the manufacturing method as endless belt, it is also known that be not sensing heating, but utilized from the periphery surface side of mold
Hot-blast Heating film and the method for manufacturing endless belt.
Existing technical literature
Patent document
[patent document 1] Japanese Unexamined Patent Publication 2014-030901 bulletins
Invention content
However, in manufacturing method using the endless belt of hot wind, because being heated via the small air layer of thermal conductivity factor,
The transfer efficiency of energy is low, in addition, there is the problem of device enlargement.In addition, in manufacturing method using the endless belt of hot wind, because
To be heated via air layer, so the control of heating temperature is difficult, heat is difficult to be delivered evenly to film entirety.
In addition, in the manufacturing method of endless belt described in patent document 1, because from the center of mold to peripheral surface lateral deviation
Liftoff configuration induction coil, the mold due to rotation of mold far from load coil and temperature decline in the region of film.
The dispersity of the ingredient in film changes as a result, and there may be resistance deviations.Therefore, add from energy conversion efficiency and uniformly
From the viewpoint of hot film, also there is the leeway of research in the manufacturing method of previous endless belt.
The issue of the present invention is to provide energy high conversion efficiency and can be evenly heated coating film technology.
As a form for solving above-mentioned subject, the present invention provides a kind of manufacturing method of endless belt, comprising as follows
Process：Induction heating apparatus is configured in the axial overall length of the inside of roller and above-mentioned roller, and in the circumferential direction of the roller
And the peripheral surface away from the roller is configured with identical distance, using the induction heating apparatus to containing thermosetting resin
Coating carries out sensing heating in the film that the peripheral surface of above-mentioned roller is formed, and above-mentioned thermosetting resin is made to cure and manufacture endless belt.
In addition, as a form for solving above-mentioned subject, the present invention provides a kind of manufacturing device of endless belt, has
Roller and induction heating apparatus, the induction heating apparatus are configured in the axial overall length of the inside of above-mentioned roller and above-mentioned roller, and
In the circumferential direction of the roller and the peripheral surface away from the roller is configured with identical distance.
In accordance with the invention it is possible to improve the transfer efficiency of energy, it is uniformly heated up the film of the coating of endless belt and makes it
Curing.
Description of the drawings
Fig. 1 is an example of the composition of the manufacturing device for the endless belt for showing schematically an embodiment of the invention
Figure.
Fig. 2 is the figure of an example of the composition for showing schematically induction heating apparatus.
Symbol description
The manufacturing device of 10 endless belts
20 rollers
30 induction heating apparatuses
31 induction heating apparatus main bodys
32 induction coils
33 cushion spaces
34 temperature sensors
40 apparatus for coating
Specific embodiment
Hereinafter, an embodiment of the invention is illustrated.
[manufacturing method of endless belt]
The manufacturing method of the endless belt of an embodiment of the invention includes following process：Utilize induction heating apparatus pair
Sensing heating is carried out in the film of the coating containing thermosetting resin that the peripheral surface of roller is formed, thermosetting resin is made to cure and make
Make endless belt, which is configured in the axial overall length of the inside of roller and roller, and in the circumferential direction of roller and away from
The peripheral surface of roller is configured with identical distance.
As long as coating containing by heat cure and can be as the thermosetting resin that band uses.Here, " heat cure "
Refer to volatilize to cure by the solvent for heating coating；Also meaning is changed by heating structure and chemosetting.Thermosetting resin
Example include polyimides, polyamide-imide, polyphenylene sulfide, polyarylate, polysulfones, polyether sulfone, polyetherimide with
And polyether-ether-ketone.It should be explained that from the viewpoint of the intensity of endless belt, thermosetting resin is preferably polyimides.
Can conductive material further be contained according to the purposes of endless belt in coating.The example of conductive material includes
Carbon black, carbon nano-fiber or carbon nanotube.The content of conductive material can be with the surface resistivity of endless belt and volume electricity
The mode that resistance rate becomes aftermentioned range suitably determines.For example, relative to 100 mass parts of heat-curing resin, electric conductivity object
The content of matter is in the range of 10~20 mass parts.Endless belt containing conductive material for example can be used for electrofax mode
Image forming apparatus etc. in the transfer belt carried etc..
The sensing heating of film, cured condition can be properly selected from the range that can manufacture endless belt.In addition,
The sensing heating of film, cured condition are also contemplated that the viewpoint of the denaturation for the endless belt for inhibiting manufacture.
Heating temperature can be properly selected from the temperature more than temperature of the film heat cure of sensing heating.In addition, plus
Hot temperature initially can be set as identical temperature from heating after film is formed to heating latter stage, can also be with from heating
It is initial to arrive heating latter stage, it is set in a manner of gently increasing.In addition, heating temperature can be with initially last to heating from heating
Phase sets in a manner that the multistage increases.Heating temperature can be the temperature of film or the temperature of aftermentioned cushion space
Degree, can also be the temperature sent out from induction heating apparatus.
Heating time considers the productivity of aforementioned heating temperature and endless belt and sets.For example, if heating temperature is high,
It then needs to set heating time shortlyer, if heating temperature is low, needs to set heating time longlyer.
Additionally, it is preferred that sensing heating is via being configured in the axial overall length of roller and in the circumferential direction of roller and the periphery away from roller
Cushion space that face is configured with identical distance and carry out.Because carrying out sensing heating, hot transmission via cushion space
Become uniform, therefore inhibit the temperature of roller surface uneven, it being capable of more uniformly sensing heating film.
In addition, more preferably sensing heating is carried out via the cushion space through decompression.It is empty in buffering because having depressurized cushion space
Between the gas of heat transfer is hindered to tail off, therefore being capable of more uniformly sensing heating film.
For example, manufacture endless belt according to purposes and its thickness is different, such as in the range of 50~80 μm.It is in addition, sharp
The Young's modulus measured with Nanoindentation, such as in the range of 5.0~15.0GPa.
In addition, when containing conductive material in coating, from preventing from when using endless belt as fixing belt leaking (Leak)
Viewpoint considers that the surface resistivity of endless belt is preferably 6E+10 Ω/below.In addition, from inhibiting to use endless belt as fixing
From the viewpoint of image missing is generated during band, the surface resistivity of endless belt is preferably greater than 9E+09 Ω/.
In addition, when containing conductive material in coating, retained from image is generated when inhibiting using endless belt as fixing belt
From the viewpoint of, the volume resistivity of preferably endless belt is low.Specifically, the volume resistivity of endless belt is more preferably 3E+09
Below Ω cm.
The manufacturing method of endless belt has aforementioned process, then can include well known process as other processes.Annular
As other processes in the manufacturing method of band, can include：In the process that the peripheral surface of roller is coated with coating and forms film；It is based on
The temperature of cushion space, the process that the output of induction heating apparatus is adjusted in a manner that film becomes desirable temperature；From roller
Remove heating, cured endless belt process etc..
It is formed in the process of film, using well known apparatus for coating, is coated in a manner of in homogeneous thickness in the peripheral surface of roller
Coating.The coating weight of coating suitably determines in a manner that endless belt becomes aforementioned thickness.
Temperature based on cushion space adjusts the output of induction heating apparatus in a manner that film becomes desirable temperature
Process via cushion space to film carry out sensing heating in the case of use.It, will in the process for adjusting the temperature of film
The temperature of cushion space is set as the temperature of sensing heating to adjust the temperature of film.For example, sensing heating, cured process it
Between, the temperature of cushion space is measured at any time, and the feedback control of the temperature of film is adjusted based on its measurement result.As a result, can
Enough temperature for accurately controlling film.Such as the temperature of preferred film is controlled in the range of ± 1 DEG C, is more preferably controlled
In the range of ± 0.5 DEG C.
In the process for removing endless belt from roller, the endless belt after sensing heating, curing is removed from roller.The endless belt removed
It is different according to purposes, but can directly use, further processing can also be implemented by following process.
The manufacturing method of aforementioned endless belt can for example be carried out using the manufacturing device of endless belt as shown below.
[manufacturing device of endless belt]
The manufacturing device of endless belt has roller and induction heating apparatus.As long as the manufacturing device of endless belt has roller and sensing
Heating unit, others composition can be that the group of known device enters.
Roller is the matrix for being coated with coating and forming film, and is the component for supporting the endless belt of manufacture.Roller is circle
The component of tubular.Roller can be the cylinder of the peripheral surface that roller rotates or formed roller centered on the rotary shaft of roller in itself
The rotary body of shape is rotated relative to roller main body.
From the viewpoint of high energy conversion efficiency is realized, the small material of the preferred heat loss of material of roller.In addition, sensing
In the case that heating unit does not have magnetic substance, the material of roller is preferably magnetic substance.The example of the material of roller include iron, steel,
Stainless steel, copper, brass, aluminium, titanium.
Ensure the viewpoint of sufficient heating surface (area) (HS from the film relative to the peripheral surface for being formed in roller, the film is uniformly added
From the viewpoint of the viewpoint of heat and the circumferential deformation of inhibition endless belt, the generation of cracking, the big of roller can be suitably determined
It is small.When the fixing belt in the image forming apparatus of electronics description mode is manufactured as endless belt, for example, the size of roller is excircle
A diameter of 240mm, width is for 400mm or so.
Induction heating apparatus is to make it to being formed in the film equably sensing heating of the peripheral surface of roller using sensing heating
Cured device.Induction heating apparatus is configured in the axial overall length of the inside of roller and roller, and in the circumferential direction of roller and away from
The peripheral surface of roller is configured with identical distance.As long as induction heating apparatus can play aforementioned function, it is possible to profit
It is formed with well known device.Here, " in the circumferential direction of roller and the peripheral surface away from roller has identical distance " refers to assume sensing
When the peripheral surface of heating unit is cylindrical shape, peripheral surface of the imaginary peripheral surface away from roller has identical distance.
Roller and induction heating apparatus can be formed in which be configured with seamless unoccupied place, can also be configured via air layer.From effective
From the perspective of ground carries out sensing heating, roller and the preferably seamless unoccupied place configuration of induction heating apparatus.
The induction coil of induction heating apparatus makes it solid can be uniformly heated up to the film for the peripheral surface for being formed in roller
The mode of change is configured.The axis of induction coil is consistent with the axis of roller, and centered on the axis of induction coil axis sense
The outer diameter for answering coil is preferably constant.Induction coil can helically be configured, can also be in a manner that the axial direction in roller is round-trip
And it is circumferentially configured.Here " outer diameter of induction coil " refers to induction coil in a manner of the inner peripheral surface or peripheral surface along cylinder
It is configured.
Induction heating apparatus preferably further has cushion space.Cushion space be configured in the axial overall length of roller and
In the circumferential direction of roller and the peripheral surface away from roller is configured with identical distance.Cushion space can be formed at sensing heating dress
Put multiple columned spaces in the axial direction for extending roller of main body.Add in addition, cushion space can also be formed at sensing
The cylindric space of thermal main body.There is cushion space by induction heating apparatus, it can be to being formed in the peripheral surface of roller
Film more uniformly heat, make its curing.Here, " peripheral surface away from roller has identical distance in the circumferential direction of roller " refers to
It is assumed that the peripheral surface of cushion space is in the case of cylindrical shape, imaginary peripheral surface and the peripheral surface of roller have it is identical away from
From.
Cushion space can be the space through decompression or the space of atmospheric pressure, can also be the space of pressurization.From
It is more effectively carried out from the viewpoint of sensing heating, cushion space is preferably the space through decompression.The pressure of cushion space is lower
Better.
Induction heating apparatus further has temperature sensor.The test section of temperature sensor is configured at cushion space,
In sensing heating, cured process, the temperature of cushion space is measured.Temperature sensor can use well known temperature sensor.
The output of induction heating apparatus is used to adjust for by the measurement result of the temperature of the cushion space of temperature sensor measurement.Directly survey
When determining the temperature of film coated surface, the temperature of film cannot be accurately measured due to the influence of extraneous air sometimes.On the other hand,
Because cushion space is not influenced by extraneous air, by measuring the temperature of cushion space, can measure to be formed indirectly
In the temperature of the film of the outer surface of roller.Thereby, it is possible to accurately control the temperature of film.
As described above, according to the manufacturing method of endless belt and the manufacturing device of endless belt, with using hot wind to being formed in roller
The film situation about being heated of peripheral surface compare, improve the transfer efficiency of energy, and can be uniformly heated up.As a result,
The small endless belt of the deviation of sheet resistance can be manufactured.
Hereinafter, more specific description is carried out to embodiments of the present invention with reference to appended attached drawing.
Fig. 1 is the figure of the composition of the manufacturing device of the endless belt for a form for showing schematically this implementation.Fig. 2 is signal
Ground represents the figure of the composition of induction heating apparatus.
As shown in Figure 1, the manufacturing device 10 of endless belt has roller 20, induction heating apparatus 30 and apparatus for coating 40.
Roller 20 by stainless steel it is cylindric formed.Induction heating apparatus is configured in the seamless unoccupied place in the inner space of roller 20
30。
Induction heating apparatus 30 has induction heating apparatus main body 31, induction coil 32, cushion space 33 and temperature sensing
Device 34.
The shape of induction heating apparatus 30 is formed as cylindric.Induction heating apparatus 30 long side direction extension center
Axis is consistent with the axis (rotary shaft) of roller 20.That is, in a manner of induction heating apparatus 30 has identical distance by the surface away from roller 20
It is configured.The length of the long side direction of induction heating apparatus 30 is identical with the length of the width direction of roller 20.
Induction coil 32 induction heating apparatus main body 31 intra helical be configured.Cushion space 33 is by with along roller 20
Multiple columned spaces for being configured of the mode for circumferentially surrounding induction coil 32 form.Temperature sensor 34 with detection position in
The mode of cushion space 33 is configured.
Apparatus for coating 40 is in the device of the coating of the surface of roller 20 coating endless belt.Apparatus for coating 40 is configured to spray
Mouth is towards the surface of roller 20.Apparatus for coating 40 in a manner that the width direction of roller 20 moves can be formed.
In the manufacture of endless belt, first, rotate roller 20 by the way that induction heating apparatus 30 is made to be rotated with defined rotating speed.
Then, apparatus for coating 40 is made to be coated with painting in a manner of becoming desirable dry film thickness from nozzle when moving axially in roller 20
Material.Coating is, for example, the solution with foregoing curable resin and conductive material.It is formed as a result, on the surface of roller 20
The film of coating.
Then, 30 heating roller 20 of induction heating apparatus is utilized.The film formed as a result, on the surface of roller 20 is in the axis of roller 20
Defined temperature is uniformly heated to circumferential whole face.And then the curing of coating and endless belt is made.
Embodiment
1. the preparation of manufacturing device
(1) preparation of manufacturing device 1
As manufacturing device 1, prepare with roller and be configured at the sensing at the center in roller axially orthogonal section being roller
The manufacturing device of heating unit, central roll is diameter 240mm, the roller of the stainless steel of axial length 400mm, thickness 10mm,
The diameter 220mm of induction heating apparatus, axial length 400mm.In addition, induction heating apparatus has：Helically it is configured
Induction coil, the vacuum being configured in a manner of surrounding induction coil between the peripheral surface of roller cushion space and be used for
Measure the temperature sensor of the temperature of cushion space.
(2) preparation of manufacturing device 2
Prepare the manufacturing device 2 equally constituted other than not having cushion space with manufacturing device 1.
(3) preparation of manufacturing device 3
Prepare the manufacturing device 3 equally constituted other than cushion space fills air with manufacturing device 1.
(4) preparation of manufacturing device 4
Prepare manufacturing device 4, in addition to the thickness of roller is 10mm, induction heating apparatus in roller axially orthogonal section
To roller peripheral surface lateral deviation from addition, equally constituted with manufacturing device 1.The inner peripheral surface of roller and the distance of induction heating apparatus are
10mm。
(5) preparation of manufacturing device 5
Prepare the manufacturing device 5 equally constituted in addition to without cushion space with manufacturing device 4.
2. the preparation of material
(1) preparation of coating 1
Following compositions are put into OB Mill dispersion machines in following ratios, 10 batches is carried out and is adjusted to solid component concentration
Coating 1 for 15vol%.Use use for laboratory digital rotary viscosimeter (Viscostar+R；Viscotech Co., Ltd.)
23 DEG C in measuring temperature of the viscosity of the coating 1 of measure is 40Pas.It should be explained that as polyimide solution, use
RIKACOAT SN-20 (New Japan Chem Co., Ltd) as carbon black, are used MOGULL (Cabot Co., Ltd.).
100 mass parts of polyimide solution
12 mass parts of carbon black
(2) preparation of coating 2
Carbon black is changed to carbon nano-fiber (carbon nanofiber dispersion liquid (5.0 mass % dispersion liquids), AMC (registrars
Mark)；Ube Industries, Ltd), in addition to this, coating 2 is adjusted in the same manner as coating 1.Use use for laboratory digital rotary
The viscosity for the coating 2 that viscosimeter measures is 35Pas at 23 DEG C of measuring temperature.
3. the making of endless belt
(1) making of endless belt 1
A. the formation of film
In the state of roller is made with peripheral speed rotation in 300mm/ seconds, coniform nozzle side is made to be put down in the width direction of roller
While spraying coating 1 from coniform nozzle, film 1 is formed in the peripheral surface of roller for row movement.
B. sensing heating
While roller is made to carry out sensing heating to film 1 with induction heating apparatus with 300mm/ seconds rotation lateral dominances of peripheral speed.It is right
In the temperature of sensing heating, in 60 DEG C of sensing heatings after ten minutes, in 120 DEG C of sensing heatings 10 minutes, thereafter in 180 DEG C of sensings
Heating 10 minutes, finally in 240 DEG C of sensing heatings 30 minutes.It should be explained that total heating time is 80 minutes.In addition, make
With multisystem film thickness gauge (FISCHERSCOPE MMS PC；Co., Ltd. Fisher Instruments) measure heating after
Film thickness is 80 μm.Then, endless belt is removed from roller.
(2) making of endless belt 2
Manufacturing device is changed to manufacturing device 2 from manufacturing device 1, in addition to this, annular is obtained in the same manner as endless belt 1
Band 2.
(3) making of endless belt 3
Coating is changed to coating 2 from coating 1, manufacturing device is changed to manufacturing device 3 from manufacturing device 1, except this with
Outside, endless belt 3 is obtained in the same manner as endless belt 1.
(4) making of endless belt 4
Manufacturing device is changed to manufacturing device 4 from manufacturing device 1, in addition to this, annular is obtained in the same manner as endless belt 1
Band 4.
(5) making of endless belt 5
Manufacturing device is changed to manufacturing device 5 from manufacturing device 1, in addition to this, annular is obtained in the same manner as endless belt 1
Band 5.
The manufacturing condition of endless belt is shown in table 1.
Table 1
4. evaluation
The endless belt 1~5 of making is evaluated by following project.
(1) evaluation of the deviation of temperature
The deviation of temperature is based on using non-contact thermometer (FT-H30；Keyence Co., Ltd.) measurement result carry out
Evaluation.Specifically, roller axial overall length by non-contact thermometers are configured 4 positions at equal intervals, in sensing heating
Measure the temperature of film.Then, the difference of the maximum temperature of the film in sensing heating and minimum temperature is set as to the deviation of temperature.
(2) evaluation of the deviation of sheet resistance
The deviation of sheet resistance is based on using high resistivity meter (Hiresta UP, UR Probe；Co., Ltd.
Mitsubishi Chemical Analytech) measurement result evaluated.Specifically, endless belt is applied 10 seconds
After the voltage of 500V, in the circumferential at equal intervals 8 positions of endless belt, for respectively locating, axial overall length with etc.
10, interval position (adds up to 80 positions), measures sheet resistance value.Moreover, according to following formula (1), gauging surface resistance
Deviation." MAX " in formula (1) represents sheet resistance value maximum in the sheet resistance value measured.In addition, " MIN " represents to measure
Sheet resistance value in minimum sheet resistance value.
Sheet resistance deviation=LOG (MAX/MIN) (1)
(3) evaluation of image quality
As image forming apparatus, commercially available full-color compounding machine (bizhub (registered trademark) C754 is used；Konica U.S. energy
Up to Co., Ltd.), the endless belt of making is installed as fixing belt, in the environment of 25 DEG C, relative humidity 50%, is carried out assorted dense
The continuous printing of the full color printing of the whole face half tone image (A4 sizes) of degree 10%, evaluates image quality.
Specifically, output half tone image is observed during every 100000 printings, it is confirmed whether to generate image contamination
(photographic fog), white muscle measures the number (PI) at the time of confirming generation.Then, by following benchmark evaluation endless belt 1~5.
In the present embodiment, △, zero and ◎ is allow grade in evaluation criteria.
◎：It is not also generated at 100000 or more.
○：80000 less than 100000 when generate.
△：60000 less than 80000 when generate.
×：It is generated when less than 60000.
Will be above-mentioned evaluation result is shown in table 2.
Table 2
As shown in table 2, the small endless belt of the deviation of sheet resistance has been obtained in Examples 1 to 3.When manufacture is thought to this
Roller be uniformly heated, so roller peripheral surface formed film be uniformly heated.Thus, it is believed that obtained sensing and added
The endless belt that the deviation of temperature when hot is small and the deviation of sheet resistance is small.
In addition, it is formed using the portrait of the image forming apparatus of the electrofax mode of the endless belt using Examples 1 to 3
In, obtain the image of good quanlity.
In addition, the comparison according to embodiment 2 and embodiment 3, it is known that in order to manufacture good endless belt, cushion space is effective
Ground functions.Also, from the comparison of embodiment 1 and embodiment 3 it is found that energy when cushion space is space (vacuum) through decompression
Effectively function.
On the other hand, compared with Examples 1 to 3, the deviation bigger of sheet resistance in Comparative Examples 1 and 2.It is thought that because
Induction heating apparatus is configured at the periphery surface side of roller, can not be to film equably sensing heating so roller is not uniformly heated.
In addition, it uses during the image of the image forming apparatus of the electrofax mode using the endless belt of Comparative Examples 1 and 2 formed, with reality
It applies example 1~3 to compare, image quality is poor.It is thought that because the deviation of the sheet resistance of the endless belt of Comparative Examples 1 and 2 is big.
Industrial availability
In accordance with the invention it is possible to reduce the difference of the physical property of the film caused by heating, it can realize endless belt more into one
The high quality of step.Therefore, it is expected that utilizing the further high performance in the technical field of endless belt and further general
And.
Claims (14)
1. a kind of manufacturing method of endless belt, includes following process：Induction heating apparatus is configured in the inside of roller and described
In the axial overall length of roller, and in the circumferential direction of the roller and the peripheral surface away from the roller with identical distance by with
It puts, the coating containing thermosetting resin is sensed in the film that the peripheral surface of the roller is formed using the induction heating apparatus
Heating makes the thermosetting resin cure and manufacture endless belt.
2. the manufacturing method of endless belt according to claim 1, wherein, also containing carbon black, carbon Nanowire in the coating
Dimension or carbon nanotube.
3. the manufacturing method of endless belt according to claim 1 or 2, wherein, the film is sensed via cushion space
Heating, the cushion space are configured in the axial overall length of the roller, and in the circumferential direction of the roller and away from the roller
Peripheral surface be configured with identical distance.
4. the manufacturing method of endless belt according to claim 3, wherein, the cushion space is through decompression.
5. the manufacturing method of endless belt according to claim 3 or 4, wherein, further include following process：Based on described
The temperature of cushion space adjusts the output of the induction heating apparatus in a manner that the film becomes desirable temperature
It is whole.
6. the manufacturing method of endless belt according to claim 1, wherein, the induction heating apparatus, which includes, helically matches
The induction coil put,
The axis of the induction coil is consistent with the axis of the roller, and centered on the axis of the induction coil axis the line of induction
The constant diameter of circle.
7. the manufacturing method of the endless belt according to claim 1 or 6, wherein, the induction heating apparatus further has
Cushion space, the cushion space are configured in the axial overall length of the roller, and in the circumferential direction of the roller and away from institute
The peripheral surface for stating roller is configured with identical distance.
8. the manufacturing method of endless belt according to claim 7, wherein, the cushion space is the space through decompression.
9. the manufacturing method of endless belt according to claim 7 or 8, wherein, the induction heating apparatus further has
For measuring the temperature sensor of the temperature of the cushion space.
10. a kind of manufacturing device of endless belt has roller and induction heating apparatus,
The induction heating apparatus is configured in the inside of the roller and in the axial overall length of the roller, and in the roller
Circumferential direction on and the peripheral surface away from the roller be configured with identical distance.
11. the manufacturing device of endless belt according to claim 10, wherein, the induction heating apparatus includes helically
The induction coil of configuration,
The axis of the induction coil is consistent with the axis of the roller, and centered on the axis of the induction coil axis the line of induction
The constant diameter of circle.
12. the manufacturing device of the endless belt according to claim 10 or 11, wherein, the induction heating apparatus further has
Have a cushion space, the cushion space is configured in the axial overall length of the roller, and in the circumferential direction of the roller and away from
The peripheral surface of the roller is configured with identical distance.
13. the manufacturing device of endless belt according to claim 12, wherein, the cushion space is the space through decompression.
14. the manufacturing device of endless belt according to claim 12 or 13, wherein, the induction heating apparatus further has
It is useful for measuring the temperature sensor of the temperature of the cushion space.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016248877A JP2018103369A (en) | 2016-12-22 | 2016-12-22 | A method for manufacturing an endless belt and an apparatus for manufacturing the endless belt |
| JP2016-248877 | 2016-12-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108215034A true CN108215034A (en) | 2018-06-29 |
| CN108215034B CN108215034B (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711364661.2A Active CN108215034B (en) | 2016-12-22 | 2017-12-18 | Method and apparatus for manufacturing endless belt |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2018103369A (en) |
| CN (1) | CN108215034B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1455304A (en) * | 2002-04-30 | 2003-11-12 | 哈利盛东芝照明株式会社 | Sensitive heating-roller device, photographic fixing device and image forming device |
| CN101608096B (en) * | 2008-06-17 | 2012-09-05 | 联想（新加坡）私人有限公司 | Thermosetting paint composition, thermosetting paint film forming method and painting object |
| JP2014030901A (en) * | 2012-08-01 | 2014-02-20 | Ricoh Co Ltd | Belt manufacturing apparatus and belt manufacturing method |
| CN104132459A (en) * | 2014-07-29 | 2014-11-05 | 广东仕诚塑料机械有限公司 | Vacuum heating roller structure |
-
2016
- 2016-12-22 JP JP2016248877A patent/JP2018103369A/en active Pending
-
2017
- 2017-12-18 CN CN201711364661.2A patent/CN108215034B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1455304A (en) * | 2002-04-30 | 2003-11-12 | 哈利盛东芝照明株式会社 | Sensitive heating-roller device, photographic fixing device and image forming device |
| CN101608096B (en) * | 2008-06-17 | 2012-09-05 | 联想（新加坡）私人有限公司 | Thermosetting paint composition, thermosetting paint film forming method and painting object |
| JP2014030901A (en) * | 2012-08-01 | 2014-02-20 | Ricoh Co Ltd | Belt manufacturing apparatus and belt manufacturing method |
| CN104132459A (en) * | 2014-07-29 | 2014-11-05 | 广东仕诚塑料机械有限公司 | Vacuum heating roller structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2018103369A (en) | 2018-07-05 |
| CN108215034B (en) | 2020-07-03 |
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