CN102087501A - Cleaning roller as well as manufacture method and manufacture die thereof - Google Patents
Cleaning roller as well as manufacture method and manufacture die thereof Download PDFInfo
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- CN102087501A CN102087501A CN2009101885942A CN200910188594A CN102087501A CN 102087501 A CN102087501 A CN 102087501A CN 2009101885942 A CN2009101885942 A CN 2009101885942A CN 200910188594 A CN200910188594 A CN 200910188594A CN 102087501 A CN102087501 A CN 102087501A
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Abstract
The invention discloses a cleaning roller with uniform surface structure, excellent wear resistance and stripping phenomenon avoidance as well as a manufacture method thereof and a manufacture die for manufacturing the roller. The roller tube is a cylindrical foam plastic roller made from melamine resin, a central shaft made from a metal or resin material penetrates through the radial center, and the roller is formed by radially compressing the foam plastic roller toward the central shaft. The manufacture method comprises a cylindrical die pressing procedure, a die periphery heating procedure and a taking-out procedure. The die is cylindrical and has the internal diameter slightly smaller than the external diameter of the foam plastic roller, and a conical guiding-in end part is arranged at the insertion side of the foam plastic roller. In the cleaning roller provided by the invention, the internally formed pores are wholly micro so as to realize uniform pressing force and improve the wear resistance and durability, therefore, the cleaning roller is very suitably used as a cleaning part of an imaging machine.
Description
Technical field
The present invention relates to a kind of clean roller and manufacture method thereof with and the mould that uses when making.Cleaning roller among the present invention is applicable to digital imaging apparatus such as duplicating machine, printer, and parts such as photoreceptor in these equipment and stationary roll need to clean, and this cleaning roller can clean and it is resetted them.
Background technology
In recent years, along with the photocomposition development of technology, the speed of the cleaning roller in the imaging devices such as duplicating machine, printer is also more and more faster, in this case, the requirement of the cleaning performance that cleans roller is also improved thereupon.
Clean the general many use urethane resins of material of roller, but the problem that faces at present is that by the roller that the urethane resin forming forms, its cleaning performance is not high.So melamine resin is because of it and have higher cleaning performance, as the substitute material of urethane resin, is gazed at.Though melamine resin has advantages such as good thermotolerance and thermal stability, but then, because polyfoam that melamine forms, its air entrapment heterogeneity, and exist larger-diameter pin hole, therefore be difficult to obtain the crimp force of homogeneous, in addition, melamine resin also have intensity lower, wear no resistance, shortcoming such as frangible.Therefore, when the photosensitive drums in the imaging device and stationary roll are cleaned, situations such as irregular appear easily cleaning, and and when being cleaned the mantle friction of parts, because of its bubble part forms particle shape projection on the surface, can cause peeling off phenomenon, therefore be difficult to obtain good cleaning performance.
Summary of the invention
At the problems referred to above, the present invention aims to provide the manufacture method of a kind of novel cleaning roller and this roller and used mould when making.This cleans the surface structure homogeneous of roller, and anti-consumption is outstanding, is not prone to peel off phenomenon.
Technical scheme of the present invention is: a kind of cleaning roller, cylindrical shape polyfoam roller for the melamine resin formation, described polyfoam roller radial center position is interspersed with the central shaft that metal or resin material are made, central shaft and the tight secure bond of polyfoam roller, described roller is formed by the radial compression of polyfoam roller to central shaft.
As improvement, the material of described central shaft is a stainless steel.
A kind of method of making the cleaning roller comprises: axially be pressed into operation in the cylindric mould along the polyfoam roller; Give the operation of the periphery heating of cylindric mould; With the operation of shaping roller from cylindric mould taking-up.
A kind of roller mfg. moulding die of realizing above-mentioned manufacture method, for cylindric, its internal diameter is slightly smaller than the external diameter of described polyfoam roller, and the importing end of taper is arranged in the inserting side of polyfoam roller.
As concrete improvement, the internal diameter of the importing side of importing end is bigger slightly than the external diameter of polyfoam roller.
As further improving, described mould is made by thermal conductivity good metal materials of aluminum, copper or iron.
As further improving, the inner tube wall of described mould adopts the processing of fluorine resin plated film.
By the cleaning roller that the present invention obtains, its inner pin hole that forms is very small on the whole, like this, when having realized the crimp force homogeneous, has also improved wearing quality and permanance, and is therefore, most suitable as the cleaning part of imaging machine.
Description of drawings
Fig. 1 is a roller structural representation of the present invention.
Fig. 2 is the preceding polyfoam roller stereographic map of the compression among the present invention.
Fig. 3 is the pin hole state enlarged drawing in the polyfoam roller before compressing.
Fig. 4 is the skeleton diagram of the cylindric mould among the present invention.
Fig. 5 is pressed into synoptic diagram in the operation for the present invention.
Embodiment
Below, in conjunction with the accompanying drawings, the present invention is further elaborated.
As shown in Figure 1 to Figure 3, the polyfoam roller 1 that adopts well-known method machine-shaping to constitute earlier by melamine foam.Here, the melamine foam of using is roller shape moulding product, but also can use the processed goods that the cutting of melamine foam piece is formed.The primary raw material of melamine foam is melamine and formic acid acetaldehyde or their pre-polymerization body, by gas-development agent, catalyzer, or the way of utmost point ultrashort wave (USW) irradiation etc., foaming raw material is reacted, after foaming, sclerosis, make.This melamine foam as shown in Figure 3, the surface is formed with pin hole not of uniform size 31, particularly bigger pin hole 32, scatter everywhere, if it is used as cleaning roller like this, to produce the irregular phenomenon of crimp force, and lack abrasion performance and permanance in the aforementioned melamine resin characteristic, therefore can't be used as the cleaning roller cartridge unit.
As shown in Figure 4, load onto central shaft 2 for polyfoam roller 1, become the roller that has axle.Central shaft 2 is formed by materials processings such as metal or resins, preferably adopts stainless steel.The installation of central shaft 2 can be according to the way commonly used in past, such as, in the hole that axle of central part processing of polyfoam roller 1 inserts usefulness, then, the periphery of central shaft is coated the bonding agent of hot melt adhesive and so on, or stick the bonding film of making by hot melt adhesive.Central shaft 2 is inserted in the shaft insertion hole of aforesaid polyfoam roller 1, heating, aforesaid bonding agent melting and solidification so just can be fixed on central shaft 2 on the polyfoam roller 1.Perhaps, when 1 moulding of polyfoam roller, in advance central shaft 2 is placed within the mould that the roller moulding uses, then foam materials is injected within the roller mould,, make polyfoam roller 1 and central shaft 2 one-body molded by foamable.
As Fig. 2 to shown in Figure 5, with polyfoam roller 1 be pressed into than the outer diameter D 1 of this polyfoam roller 1 smaller, internal diameter is in the cylindric mould of D2, like this, polyfoam roller 1 is compressed along the footpath direction.Here, the material of cylindric mould does not have any special restriction, such as, can process by metal, resin etc., but as described in thereafter, to be at the polyfoam roller and use heating arrangement that mould is heated under the state of compression, therefore, metal materials such as the aluminium of recommending to use thermal conductivity good, copper, iron.In addition, polyfoam roller 1 is easier to be inserted among the mould in order to make, and the inner face of cylindric mould can impose the processing of fluorine resin plated film.Polyfoam roller 1 is easier to be inserted among the cylindric mould in order to make, and as shown in Figure 5, cylindric mould is processed, and the hole portion that polyfoam roller 1 is inserted forms the importing end of taper.
Taper imports the internal diameter of the importing side 41 of end and processes greatlyyer slightly than the outer diameter D 1 of polyfoam roller 1, and the internal diameter of the discharge side 42 of importing end is identical with the inside diameter D 2 of cylindric mould.Like this, polyfoam roller 1 just can insert along the bigger side of the internal diameter that imports the end, by discharging side 42, successfully has been inserted into the inside of cylindric mould then.
The internal diameter of cylindric mould, generally set according to the diameter of target roller and compressibility etc., the diameter of supposing polyfoam roller 1 is 100, suggestion after will compressing the diameter of the polyfoam roller that obtains be set at 74～86%, especially 80% for well.
Restriction that polyfoam roller 1 the method among the cylindric mould of being inserted into has nothing special can be used well-known additive method.
Below, use the processing thermic devices that the polyfoam roller that is pressed in the cylindric mould is heated.Here, heating means do not have any special restriction, can use well-known method.Heating-up temperature is suitably set according to the material of employed polyfoam, the application target and the characteristic (pinhole number, pinhold density etc.) of polyfoam roller.
Aforesaid heating process is carried out chilling with the polyfoam roller in the cylindric mould with the mode of water-cooled after finishing, and drying is taken out it afterwards from cylindric mould, wash.Polyfoam roller after taking out is called " A4 ".
When the polyfoam roller took out from cylindric mould, the polyfoam roller will be along the expansion that resets of footpath direction.
When polyfoam roller A4 is cooled off, position for retainer shaft, recommend to use the coldplate that is equipped with a lot of retaining holes, with polyfoam roller A4 wherein the central shaft 2 of a side be inserted in the retaining hole, make polyfoam roller A4 be in the state that vertically erects, can once cool off a plurality of polyfoam roller A4 simultaneously.Cooled polyfoam roller is called " A5 ".
For the surface that makes cooling polyfoam roller A5 afterwards becomes smoothly,, make it become the polyfoam roller A6 that external diameter meets the demands with the size of surfacing cut to regulation.Cutting operation can use well-known method.
In addition, this working angles carries out for the external diameter that makes polyfoam roller A5 and character of surface reach designing requirement, if the polyfoam roller A5 after the cooling has arrived design size and surface accuracy requirement, then this step also can be omitted.
Shown in the polyfoam roller that obtains after these steps, after using cylindric mould compression, compare with the polyfoam roller 1 (Fig. 3) before the compression, bubble 31 becomes minimum, the distribution homogeneous, and be under the condensing fine and close state, like this, can realize the crimp force of homogeneous by the polyfoam roller, wearing quality and permanance also are improved.In addition, because the material of polyfoam roller is a melamine resin, not only cleaning performance becomes outstanding, even occur dirtyly, as long as water cleans, can become totally as before, and therefore, very the cleaning roller that is suitable as in the imaging device is used.
Below, the present invention will be described in more detail to use embodiment.Use method in the past, the cylindric melamine foam roller 1 of long 230mm of machine-shaping, external diameter 14mm.Then, on foaming foam plastics roller A1, wear the patchhole that a central shaft 2 inserts usefulness.The periphery of the central shaft 2 of long 240mm, diameter 6mm is sticked hot melt adhesive film, then, the patchhole of central shaft 2 along polyfoam roller A1 inserted, heated 60 minutes down for 160 ℃ in temperature, central shaft 2 is fixed on the polyfoam roller 1, forms the polyfoam roller 1 that has axle.
This polyfoam roller 1 is pressed into has taper and import end and leading-out portion U, among the cylindric mould of aluminium matter of stack shell length 230mm, internal diameter 10mm.
Then, use the heating arrangement H be located at around the cylindric mould, heat from the periphery of cylindric mould, heating-up temperature is 200 ℃, 60 minutes time.
Then, under polyfoam roller A3 is pressed into state in the cylindric mould, put into the water chilling, after the drying, A3 takes out from cylindric mould with the polyfoam roller.
Then, with the polyfoam roller A4 that takes out put into water clean, dry, use cutter that the surface of polyfoam roller A5 is cut, the 3mm that prunes forms polyfoam roller (cleaning roller) A6 of long 230mm, external diameter 8.5mm.The pin hole that forms among this polyfoam roller A6 is compared with the polyfoam roller before the compression, and diameter dwindles greatly, and distribution homogeneous, densification.
Below, should clean roller A6 and be installed on the electronic image duplicating machine, as the cleaning roller that cleans photosensitive drum surface.In imaging process, clean the crimp force homogeneous that roller causes to photosensitive drums, cleaning performance is even, in addition, cleans the surface of roller and does not also have the situation of peeling off generation.
And, take place dirtyly if clean the surface of roller, to put into water clean as long as will clean roller, can easily the things such as carbon dust of surface attachment be removed.
In addition, the present inventor confirms by experiment, after polyfoam roller A3 heating, uses the mode chilling of water-cooled, compares with natural cooling, and the diameter fluctuation of polyfoam roller has reduced half.
The above; it only is preferred embodiment of the present invention; not in order to restriction the present invention, every foundation technical spirit of the present invention to any trickle modification that above embodiment did, be equal to and replace and improve, all should be included within the protection domain of technical solution of the present invention.
Claims (7)
1. cleaning roller, cylindrical shape polyfoam roller (1) for the melamine resin formation, it is characterized in that, described polyfoam roller radial center position is interspersed with the central shaft (2) that metal or resin material are made, central shaft and the tight secure bond of polyfoam roller, described roller is formed to the radial compression of central shaft by polyfoam roller (1).
2. roller according to claim 1 is characterized in that: the material of described central shaft (2) is a stainless steel.
3. method of making the described cleaning roller of claim 1 is characterized in that comprising following operation:
Axially be pressed into operation in the cylindric mould along the polyfoam roller;
Give the operation of the periphery heating of cylindric mould;
With the operation of shaping roller from cylindric mould taking-up.
4. a roller mfg. moulding die of realizing the described method of claim 3 for cylindric, is characterized in that, the internal diameter of described mould (D2) is slightly smaller than the external diameter (D1) of described polyfoam roller, and the importing end of taper is arranged in the inserting side of polyfoam roller.
5. roller mfg. moulding die according to claim 4 is characterized in that, the internal diameter of the importing side (41) of importing end is bigger slightly than the external diameter (D1) of polyfoam roller (1).
6. roller mfg. moulding die according to claim 5 is characterized in that, described mould is made by thermal conductivity good metal materials of aluminum, copper or iron.
7. roller mfg. moulding die according to claim 6 is characterized in that, the inner tube wall of described mould adopts the processing of fluorine resin plated film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101885942A CN102087501A (en) | 2009-12-02 | 2009-12-02 | Cleaning roller as well as manufacture method and manufacture die thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101885942A CN102087501A (en) | 2009-12-02 | 2009-12-02 | Cleaning roller as well as manufacture method and manufacture die thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102087501A true CN102087501A (en) | 2011-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101885942A Pending CN102087501A (en) | 2009-12-02 | 2009-12-02 | Cleaning roller as well as manufacture method and manufacture die thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105711116A (en) * | 2016-03-16 | 2016-06-29 | 苏州市创怡盛实业有限公司 | Internal compression method of sponge roller |
| JP2018173497A (en) * | 2017-03-31 | 2018-11-08 | 株式会社イノアックコーポレーション | Toner supply roller and method for manufacturing the same |
| EP3556274A1 (en) * | 2015-10-10 | 2019-10-23 | Hizero Technologies Co., Ltd. | Floor cleaner, cleaning roller component, and sponge roller |
-
2009
- 2009-12-02 CN CN2009101885942A patent/CN102087501A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3556274A1 (en) * | 2015-10-10 | 2019-10-23 | Hizero Technologies Co., Ltd. | Floor cleaner, cleaning roller component, and sponge roller |
| US10898048B2 (en) | 2015-10-10 | 2021-01-26 | Hizero Technologies Co., Ltd. | Floor cleaner, cleaning roller assembly, and sponge roller |
| CN105711116A (en) * | 2016-03-16 | 2016-06-29 | 苏州市创怡盛实业有限公司 | Internal compression method of sponge roller |
| CN105711116B (en) * | 2016-03-16 | 2018-05-22 | 苏州市创怡盛实业有限公司 | The internal compression method of sponge roller |
| JP2018173497A (en) * | 2017-03-31 | 2018-11-08 | 株式会社イノアックコーポレーション | Toner supply roller and method for manufacturing the same |
| JP7025846B2 (en) | 2017-03-31 | 2022-02-25 | 株式会社イノアックコーポレーション | Toner supply roller and its manufacturing method |
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Application publication date: 20110608 |