CN103885309B - Powder feeding roller and handle box - Google Patents
Powder feeding roller and handle box Download PDFInfo
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- CN103885309B CN103885309B CN201410086351.9A CN201410086351A CN103885309B CN 103885309 B CN103885309 B CN 103885309B CN 201410086351 A CN201410086351 A CN 201410086351A CN 103885309 B CN103885309 B CN 103885309B
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- feeding roller
- support member
- powder feeding
- cavernous body
- shaft core
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Abstract
The present invention provides a kind of powder feeding roller and handle box, the powder feeding roller includes shaft core and the cavernous body being sleeved in shaft core, powder feeding roller also includes the support member for being sleeved on shaft core, support member is arranged on the outside of the end of cavernous body and is connected with cavernous body, the hardness of support member is more than the hardness of cavernous body, handle box includes housing, developer roll and above-mentioned powder feeding roller, housing surrounds the cavity for accommodating consumptive material, one end of cavity exports provided with consumptive material, developer roll is arranged in cavity close to consumptive material exit, powder feeding roller is arranged on cavity and abutted with developer roll, clean-up performance caused by collapsing due to end is avoided to decline, effectively improve the clean-up performance of powder feeding roller and handle box, effectively improve quality of prining.
Description
Technical field
The present invention relates to powder feeding roller and handle box, more particularly to a kind of powder feeding roller with good clean-up performance and it is provided with
The handle box of the powder feeding roller.
Background technology
Image imaging device is a kind of equipment for forming image on recording materials using electrophotographic image forming principle, image
Imaging device includes duplicator, printer, facsimile machine etc..The handle box used in image imaging device is generally divided into two kinds,
A kind of is the integral handle box for including developer roll and photosensitive drums as developing apparatus, another kind be photosensitive drums are separated to it is outer
Split handle box, above two handle box are installed in a manner of removably in the main body of image imaging device.
One typical image imaging device laser printer, laser printer are current widest image imaging devices
One of, laser printer utilizes light, electricity, the physics of heat, the principles of chemistry output character or image on the media such as paper.
Reference picture 1, Fig. 1 are a kind of structural representations of existing handle box being installed on laser printer, and handle box 1 wraps
Housing 11 is included, housing 11 surrounds the cavity for accommodating the carbon dust 17 as printing consumables, and one end of cavity exports provided with carbon dust,
Carbon dust exit is provided with developer roll 12, is provided with seal assembly in the lower section of developer roll 12, the seal assembly is scraped including sealing
Piece 13 and seal 14.
When being imaged, the puddle support 18 in cavity conveys carbon dust 17 toward powder feeding roller 16, and powder feeding roller 16 is logical
Cross clockwise rotate and carbon dust 17 is transmitted into developer roll 12, the carbon dust 17 on developer roll 12 passes through powder outlet cutter 19 and carries out carbon dust thickness
After regulation, carbon dust 17 can be adsorbed by the photosensitive drums outside split handle box, then carry out next step imaging.
Also, carbon dust 17 needs to carry out encapsulation process in cavity, otherwise carbon dust 17 can be caused to reveal.And existing handle box 1
To be sealed by sealing scraping blade 13 and seal 14, seal 14 is made the sealing means used by sponge, close
Sealing 14 is fixed on the housing 11 of the lower section of developer roll 12, and sealing scraping blade 13 is fixed on seal 14 simultaneously
And contacted with the section of developer roll 12.After developer roll 12 is completed the carbon dust on its surface being transferred in photosensitive drums, developer roll 12
Sealing scraping blade 13 is first passed around to clean the remaining carbon dust on developer roll 12, continue after rotating counterclockwise then with powder feeding roller 16
Contact friction is carried out, because the friction between developer roll 12 and powder feeding roller 16 is reverse, so by inversely rubbing further
Remaining carbon dust on developer roll 12 is cleaned on ground.
Reference picture 2, Fig. 2 are structure charts when powder feeding roller 16 cooperates with developer roll 12, and powder feeding roller 16 includes an iron
Shaft core 161 processed and the cavernous body 162 being sleeved in shaft core 161, developer roll 12 include an iron shaft core 121 and are sleeved on shaft core
Rubber bodies 122 on 121.When carbon dust 17 is transmitted developer roll 12 by powder feeding roller 16, side face and the developer roll of powder feeding roller 16 12 weeks
Face is mutually pressed, that is, rubber bodies 122 is mutually pressed with cavernous body 162.Because the hardness of rubber bodies 122 is more than cavernous body
162, so cavernous body 162 will be towards 161 inside shrinkage deformation of shaft core.
However, it is above-mentioned it is this to inside contract deformation more prominent in two ends 163,165 of cavernous body, be due to end
163 and the cavernous body that there was only inner side of end 165 provide reset force for end, and the opposite side of end is that can not vacantly provide
Reset force, and it is located at the cavernous body in the middle part of powder feeding roller 16 because there is the cavernous body being connected as a single entity to provide reset force for it for both sides,
So the cavernous body deformation at the middle part of powder feeding roller 16 is more uniform.
Using the reset force of the middle part cavernous body of powder feeding roller 16 as basis of reference, when a diameter of 6 millimeters of shaft core 161, away from
The reset force of cavernous body at 27 millimeters from outermost end is the 90% of middle part reset force, the cavernous body at 13 millimeters of outermost end
Reset force be middle part reset force 50%, so as to cause sponge to collapse the appearance at place 164,166.
Using the reset force of the middle part cavernous body of powder feeding roller 16 as basis of reference, when a diameter of 8 millimeters of shaft core 161, away from
The reset force of cavernous body at 22 millimeters from outermost end is the 90% of middle part reset force, the cavernous body at 10 millimeters of outermost end
Reset force be middle part reset force 50%, also result in the appearance that sponge collapses place 164,166.
It can be seen that the sponge place of collapsing 164,166 will cause cavernous body can not be in close contact with rubber bodies 122, or even lead
Cause cavernous body 162 can not be contacted with rubber bodies 122 so that the clean-up performance of powder feeding roller 16 declines, and then causes powder feeding roller 16
End can not be cleaned to the end of developer roll 12, and phenomena such as black surround or bottom ash occurs in printing pattern, so as to influence to print
Quality.
The content of the invention
The first object of the present invention is to provide a kind of powder feeding roller of good clean-up performance.
The second object of the present invention is to provide a kind of handle box of good clean-up performance.
In order to realize the first object of the present invention, the invention provides a kind of powder feeding roller, the powder feeding roller includes shaft core and set
Cavernous body in shaft core, wherein, powder feeding roller also includes the support member for being sleeved on shaft core, and support member is arranged on the end of cavernous body
It is connected on the outside of portion and with cavernous body, the hardness of support member is more than the hardness of cavernous body.
From such scheme, by having the support member of larger hardness in the end set of cavernous body, and by should
The end of support member and cavernous body is attached, because the hardness of support member is more than the hardness of cavernous body so that support member can be with
Elastic reset power effectively is provided for cavernous body, so as to avoid clean-up performance caused by being collapsed due to end from declining, effectively
Improve the clean-up performance of powder feeding roller.
Further scheme is that the end surface shape of support member is identical with the end surface shape of cavernous body.
Therefore because powder feeding roller is operated by rotatable around its axis, so identical by end surface shape
The unsupported part of powder feeding roller is advantageously allowed to run well with influenceing.
Further scheme is that the end face radius of support member is less than or equal to the end face radius of cavernous body.
Therefore because powder feeding roller at work will be with developer roll close contacting fit, so the sponge in powder feeding roller
Body will have and deformation is inside contracted on a certain degree of, the end face radius of support member is set smaller than or the end face half equal to cavernous body
Footpath, be advantageous to powder feeding roller and be preferably engaged with developer roll, and the normal operation of powder feeding roller is not supported the influence of part.
Further scheme is that support member is made by plastics or rubber.
Further scheme is that support member is made by copper or stainless steel.
Therefore the cavernous body hardness in powder feeding roller is generally less than or equal to 25HC (HC is Rockwell hardness unit), and
Material such as plastics, rubber, stainless steel or copper of the hardness more than 25HC is used to provide effective support for the end of cavernous body
Power, specifically, the plastics can be the materials such as polyethylene terephthalate (PET), polypropylene (PP) or ABS plastic, should
The hardness of material is all higher than the cavernous body in powder feeding roller, is advantageous to improve using the PET, PP, ABS, rubber and the copper that are easy to shaping
Efficiency is produced and processed, and plastics, rubber and copper are respectively provided with the features such as wear-resisting, crushing resistance is good, are advantageous to improve cavernous body end
Support force.
In order to realize the second object of the present invention, the invention provides a kind of handle box, including housing, developer roll and powder feeding
Roller, housing surround the cavity for accommodating consumptive material, and one end of cavity exports provided with consumptive material, and developer roll is arranged in cavity to go out close to consumptive material
At mouthful, powder feeding roller is arranged on cavity, and powder feeding roller includes shaft core and the cavernous body being sleeved in shaft core, and cavernous body is adjacent with developer roll
Connect, wherein, powder feeding roller also includes the support member for being sleeved on shaft core, and support member is arranged on the outside of the end of cavernous body and and cavernous body
Connection, the hardness of support member are more than the hardness of cavernous body.
From such scheme, by having the support member of larger hardness in the end set of cavernous body, and by should
The end of support member and cavernous body is attached, because the hardness of support member is more than the hardness of cavernous body so that support member can be with
Elastic reset power effectively is provided for cavernous body so that when the end of cavernous body contacts with developer roll, it is not easy to cause to collapse,
So as to avoid caused by being collapsed due to end clean-up performance from declining, sent by being provided with the powder feeding roller in handle box and effectively improving
The clean-up performance of powder roller.
Brief description of the drawings
Fig. 1 is that the structural diagrams of existing handle box are intended to.
Fig. 2 is structure chart when existing developer roll contacts with powder feeding roller.
Fig. 3 is the First partial exploded view of powder feeding roller embodiment of the present invention.
Fig. 4 is the second partial exploded view of powder feeding roller embodiment of the present invention.
Fig. 5 is structure chart when powder feeding roller embodiment of the present invention contacts with developer roll.
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment
Powder feeding roller embodiment：
Reference picture 3, Fig. 3 are partial exploded view of the powder feeding roller 3 in anchor portion.Powder feeding roller 3 includes extending along axis L1
The iron shaft core 31 set, it is set with shaft core 31 along axis L1 and is extended ring-type cavernous body 32, cavernous body 32 is in its side
With end face 321, the radius of the end face 321 is R1.Powder feeding roller 3 also includes the support being made by plastics, rubber or copper sheet
Part 4, because support member 4 is made by plastics, rubber, copper sheet or stainless steel, so the hardness of support member 4 is more than cavernous body 32
Hardness.The support member 4 that ring-type is set is the tablet extended along axis L1, and support member 4 penetratingly offers logical along axis L1
Hole 41, the radius of the end face 42 of support member 4 is R2, and the radius R2 of end face 42 is set smaller than into radius R1.
Reference picture 4, Fig. 4 are partial exploded view of the powder feeding roller 3 on driving end.Powder feeding roller 3 includes extending along axis L1
The iron shaft core 31 set, the outermost end of shaft core 31 are provided with nicked drive end 311, and drive end 311 is used to receive outside
Driving force rotates powder feeding roller 3, is set with shaft core 31 along axis L1 and is extended ring-type cavernous body 32, cavernous body 32 is another at its
Side has end face 322, and the radius of the end face 321 is similarly R1.Powder feeding roller 3 also include by plastics, rubber or copper sheet make and
Into support member 5, because support member 5 is made by plastics, rubber or copper sheet, so the hardness of support member 5 is more than cavernous body
32 hardness.The support member 5 that ring-type is set is the tablet extended along axis L1, and support member 5 penetratingly offers along axis L1
Through hole 51, the radius of the end face 52 of support member 5 is R3, and the radius R3 of end face 52 is set smaller than into radius R1.
Reference picture 5, Fig. 5 are structure chart when powder feeding roller 3 contacts with developer roll 6, and developer roll 6 includes iron shaft core 61 and set
Rubber bodies 62 in shaft core 61.When support member 4 is installed on the one end of powder feeding roller 3, support member 4 passes through shaft core 31 simultaneously
Contact with end face 321, and support member 4 and the bonding of end face 321 are linked together by bonding mode.When support member 5 is installed to
When on the other end of powder feeding roller 3, support member 5 with end face 322 through shaft core 31 and contacting, and by bonding mode by support member
5 and end face 322 bonding link together.
When powder feeding roller 3 and 6 mutual cooperation work of developer roll, powder feeding roller 3 is then mutually pressed with developer roll 6, rubber bodies 62
Contact with cavernous body 32, support member 4 and support member 5 and mutually press, because the hardness of rubber bodies 62 is more than positioned at the sea at middle part
Continuous body 32, so cavernous body 32 will be towards 31 inside shrinkage deformation of shaft core.
And on the end 71 of cavernous body 32, because the larger support member 4 of hardness is connected with the end face 321 of cavernous body 32,
The larger support member 4 of hardness is not easy deformation and has larger support force simultaneously, so support member 4 can be effectively sponge
The end face 321 of body 32 provides reset force so that the end of cavernous body 32 is not easy to collapse, and is effectively prevented from the cleaning of powder feeding roller 3
The decline of performance, then make it that the end of powder feeding roller 3 still the end of developer roll 6 can be carried out well after a long time use
Cleaning.
Similarly, on the end 72 of cavernous body 32, because the end face 322 of the larger support member 5 of hardness and cavernous body 32 connects
Connect, while the larger support member 5 of hardness is not easy deformation and has larger support force, so support member 5 can be effectively
The end face 322 of cavernous body 32 provides reset force so that the end of cavernous body 32 is not easy to collapse, and is effectively prevented from powder feeding roller 3
The decline of clean-up performance, then cause powder feeding roller 3 end the end of developer roll 6 can still be carried out after a long time use it is good
Good cleaning.
Handle box embodiment：
Handle box includes housing, and housing surrounds the cavity for accommodating the carbon dust as printing consumables, and one end of cavity is provided with
Carbon dust exports, and is provided with developer roll in carbon dust exit, seal assembly is provided with below developer roll.Handle box also includes upper
The powder feeding roller of embodiment is stated, the powder feeding roller is arranged in cavity and abutted with developer roll.
From such scheme, there is the support member of larger hardness by the end set of the cavernous body in powder feeding roller, and
By the way that the end of the support member and cavernous body is attached, because the hardness of support member is more than the hardness of cavernous body, support member
It is not easy deformation and there is larger support force so that support member can provides elasticity effectively for connected cavernous body
Reset force, so as to avoid clean-up performance caused by being collapsed due to end from declining, effectively improve the cleaning of powder feeding roller and handle box
Performance, effectively improve quality of prining.
Finally it is emphasized that the present invention is not limited to above-mentioned embodiment, such as it is made using other materials
Support member, as long as the hardness of the material be more than cavernous body hardness, can be achieved the object of the invention, these should be construed as being included in
The protection domain of the claims in the present invention.
Claims (6)
1. powder feeding roller, including shaft core and the cavernous body that is sleeved in the shaft core；
It is characterized in that：
The powder feeding roller also includes the support member for being sleeved on the shaft core, and the support member is arranged on outside the end of the cavernous body
Side is simultaneously connected with the cavernous body, and the hardness of the support member is more than the hardness of the cavernous body；
The end surface shape of the support member is identical with the end surface shape of the cavernous body；
The end face radius of the support member is less than or equal to the end face radius of the cavernous body.
2. powder feeding roller according to claim 1, it is characterised in that：
The support member is made by plastics or rubber.
3. powder feeding roller according to claim 1, it is characterised in that：
The support member is made by copper or stainless steel.
4. handle box, including
Housing, the housing surround the cavity for accommodating consumptive material, and one end of the cavity exports provided with consumptive material；
Developer roll, the developer roll are arranged in the cavity close to the consumptive material exit；
Powder feeding roller, the powder feeding roller are arranged on the cavity, and the powder feeding roller includes shaft core and the sea being sleeved in the shaft core
Continuous body, the cavernous body abut with the developer roll；
It is characterized in that：
The powder feeding roller also includes the support member for being sleeved on the shaft core, and the support member is arranged on outside the end of the cavernous body
Side is simultaneously connected with the cavernous body, and the hardness of the support member is more than the hardness of the cavernous body；
The end surface shape of the support member is identical with the end surface shape of the cavernous body；
The end face radius of the support member is less than or equal to the end face radius of the cavernous body.
5. handle box according to claim 4, it is characterised in that：
The support member is made by plastics or rubber.
6. handle box according to claim 4, it is characterised in that：
The support member is made by copper or stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410086351.9A CN103885309B (en) | 2014-03-10 | 2014-03-10 | Powder feeding roller and handle box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410086351.9A CN103885309B (en) | 2014-03-10 | 2014-03-10 | Powder feeding roller and handle box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103885309A CN103885309A (en) | 2014-06-25 |
| CN103885309B true CN103885309B (en) | 2017-11-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410086351.9A Active CN103885309B (en) | 2014-03-10 | 2014-03-10 | Powder feeding roller and handle box |
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| CN (1) | CN103885309B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6736995B2 (en) * | 2016-06-14 | 2020-08-05 | 富士ゼロックス株式会社 | Developing device and image forming apparatus |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2872420Y (en) * | 2006-02-26 | 2007-02-21 | 珠海天威技术开发有限公司 | Developing roller installation structure with limited compression |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3661644B2 (en) * | 2001-12-28 | 2005-06-15 | ブラザー工業株式会社 | Developing device and image forming apparatus |
| CN101452243A (en) * | 2007-12-07 | 2009-06-10 | 珠海天威技术开发有限公司 | Developing apparatus |
| JP2010032957A (en) * | 2008-07-31 | 2010-02-12 | Oki Data Corp | Image forming unit and image forming apparatus |
| JP5824830B2 (en) * | 2011-03-16 | 2015-12-02 | ブラザー工業株式会社 | Image forming apparatus |
| CN203786468U (en) * | 2014-03-10 | 2014-08-20 | 珠海天威飞马打印耗材有限公司 | Powder feeding roller and processing cartridge |
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- 2014-03-10 CN CN201410086351.9A patent/CN103885309B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2872420Y (en) * | 2006-02-26 | 2007-02-21 | 珠海天威技术开发有限公司 | Developing roller installation structure with limited compression |
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| CN103885309A (en) | 2014-06-25 |
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