CN103885309A - Powder feeding roller and processing box - Google Patents
Powder feeding roller and processing box Download PDFInfo
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- CN103885309A CN103885309A CN201410086351.9A CN201410086351A CN103885309A CN 103885309 A CN103885309 A CN 103885309A CN 201410086351 A CN201410086351 A CN 201410086351A CN 103885309 A CN103885309 A CN 103885309A
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- feeding roller
- powder feeding
- support member
- cavernous body
- hardness
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Abstract
The invention provides a powder feeding roller and a processing box. The powder feeding roller comprises a shaft core and a sponge body sleeved on the shaft core and a supporting piece sleeved on the shaft core, wherein the supporting piece is arranged at the outer side of the end part of the sponge body and is connected with the sponge body; the hardness of the supporting piece is greater than that of the sponge body, the processing box comprises a shell, a developing roller and the powder feeding roller, wherein the shell defines a cavity body for containing a consumable; one end of the cavity body is provided with a consumable outlet, the developing roller is arranged in the cavity body and is close to the consumable outlet, and the powder feeding roller is arranged in the cavity body and is adjacent to the developing roller. The powder feeding roller and the processing box provided by the invention have the advantages that a situation that the cleaning property is reduced due to collapse of the end part is avoided, the cleaning properties of the powder feeding roller and the processing box are effectively improved, and a line printing quality is effectively improved.
Description
Technical field
The present invention relates to powder feeding roller and handle box, relate in particular to a kind of handle box that there is the powder feeding roller of good clean-up performance and this powder feeding roller is installed.
Background technology
Image imaging equipment is a kind of equipment that utilizes electrophotographic image forming principle to form image on recording materials, and image imaging equipment comprises duplicating machine, printer, facsimile recorder etc.The handle box using in image imaging equipment is generally divided into two kinds, a kind of is to comprise as the developer roll of developing apparatus and the one handle box of photosensitive drums, another kind is that photosensitive drums is separated to outer split handle box, and above-mentioned two kinds of handle boxes are all installed in the main body of image imaging equipment in mode removably.
A typical image imaging equipment laser printer, laser printer is one of image imaging equipment the most widely at present, laser printer utilizes optical, electrical, hot physics, the principles of chemistry output character or image on the media such as paper.
With reference to Fig. 1, Fig. 1 is existing a kind of structural representation that is installed to the handle box on laser printer, handle box 1 comprises housing 11, housing 11 surrounds the cavity accommodating as the carbon dust 17 of printing consumables, one end of cavity is provided with carbon dust outlet, in carbon dust exit, developer roll 12 is installed, below developer roll 12, seal assembly is installed, sealing assembly comprises sealing scraping blade 13 and seal 14.
In the time carrying out imaging, the puddle support 18 being arranged in cavity is carried carbon dust 17 toward powder feeding roller 16, powder feeding roller 16 transmits developer roll 12 by clockwise rotation by carbon dust 17, carbon dust 17 on developer roll 12 is undertaken after the adjusting of carbon dust thickness by powder outlet cutter 19, carbon dust 17 can be positioned at the photosensitive drums absorption outside split handle box, then carries out next step imaging.
And in cavity, carbon dust 17 need to carry out encapsulation process, otherwise can cause carbon dust 17 to be revealed.And the sealing means that existing handle box 1 adopts is for sealing by sealing scraping blade 13 and seal 14, seal 14 is made by sponge, seal 14 is fixed on the housing 11 of the below that is positioned at developer roll 12, and sealing scraping blade 13 is fixed on seal 14 and with developer roll 12 tangent planes and contacts.After developer roll 12 completes its lip-deep carbon dust is transferred in photosensitive drums, first developer roll 12 cleans the remaining carbon dust on developer roll 12 through sealing scraping blade 13, after continuing to rotate counterclockwise, carry out contact friction with powder feeding roller 16, because the friction between developer roll 12 and powder feeding roller 16 is reverse, so further the remaining carbon dust on developer roll 12 is cleaned by reverse friction.
With reference to Fig. 2, Fig. 2 is powder feeding roller 16 structural drawing while cooperatively interacting with developer roll 12, powder feeding roller 16 comprises an iron axle core 161 and is sleeved on the cavernous body 162 on axle core 161, and developer roll 12 comprises an iron axle core 121 and is sleeved on the rubber bodies 122 on axle core 121.In the time that carbon dust 17 is transmitted developer roll 12 by powder feeding roller 16, the side face of powder feeding roller 16 and developer roll 12 side faces press mutually, make rubber bodies 122 and cavernous body 162 mutually press.Because the hardness of rubber bodies 122 is greater than cavernous body 162, thus cavernous body 162 will towards axle core 161 inwardly in compression deformation.
But, it is above-mentioned that this to inside contract deformation more outstanding in two ends 163,165 of cavernous body, being the cavernous body that only has an inner side due to end 163 and end 165 provides reset force for end, and the opposite side of end is the unsettled reset force that cannot provide, and the cavernous body that the cavernous body that is positioned at powder feeding roller 16 middle parts is connected as a single entity because both sides have provides reset force for it, so the cavernous body deformation at powder feeding roller 16 middle parts is comparatively even.
Using the reset force of powder feeding roller 16 middle part cavernous bodies as basis of reference, in the time that the diameter of axle core 161 is 6 millimeters, be 90% of middle part reset force apart from the reset force of the cavernous body at 27 millimeters of places of outermost end, be 50% of middle part reset force apart from the reset force of the cavernous body at 13 millimeters of places of outermost end, thereby cause the subside appearance at place 164,166 of sponge.
Using the reset force of powder feeding roller 16 middle part cavernous bodies as basis of reference, in the time that the diameter of axle core 161 is 8 millimeters, be 90% of middle part reset force apart from the reset force of the cavernous body at 22 millimeters of places of outermost end, be 50% of middle part reset force apart from the reset force of the cavernous body at 10 millimeters of places of outermost end, also caused the subside appearance at place 164,166 of sponge.
Visible, the sponge place that subsides 164,166 will cause cavernous body to carry out close contact with rubber bodies 122, even cause cavernous body 162 to contact with rubber bodies 122, the clean-up performance of powder feeding roller 16 is declined, then cause the end of powder feeding roller 16 to clean the end of developer roll 12, print pattern and occur the phenomenon such as black surround or bottom ash, the quality thereby impact is printd.
Summary 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, this powder feeding roller comprises axle core and is sleeved on the cavernous body on axle core, wherein, powder feeding roller also comprises the support member that is sleeved on axle core, support member is arranged on the outside, end of cavernous body and is connected with cavernous body, and the hardness of support member is greater than the hardness of cavernous body.
From such scheme, the support member with larger hardness is set by the end at cavernous body, and by this support member is connected with the end of cavernous body, because the hardness of support member is greater than the hardness of cavernous body, make support member to provide the power of elastic reset effectively for cavernous body, thereby avoid, because the subside clean-up performance that causes of end declines, effectively improving the clean-up performance of powder feeding roller.
Further scheme is, the end surface shape of support member is identical with the end surface shape of cavernous body.
Therefore, because powder feeding roller is by rotating and carry out work around its axis, so be conducive to make powder feeding roller not affected by support member to run well by end surface shape is identical.
Further scheme is, 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 will coordinate with developer roll close contact in the time working, so the cavernous body in powder feeding roller by have to a certain degree on inside contract deformation, the end face radius of support member is arranged to be less than or equal to the end face radius of cavernous body, be conducive to powder feeding roller and better contact cooperation with developer roll, and the normal operation of powder feeding roller is not subject to the impact of support member.
Further scheme is, support member is made by plastics or rubber.
Further scheme is, support member is made by copper or stainless steel.
Therefore, cavernous body hardness in powder feeding roller is generally less than or equals 25HC (HC is Rockwell's hardness unit), and the material that employing hardness is greater than 25HC is as plastics, rubber, stainless steel or copper all can provide effective anchorage force for the end of cavernous body, particularly, these plastics can be polyethylene terephthalate (PET), the materials such as polypropylene (PP) or ABS plastic, the hardness of this material is all greater than the cavernous body in powder feeding roller, utilization is easy to the PET of moulding, PP, ABS, rubber and copper are conducive to improve production and processing efficiency, and plastics, rubber and copper all have wear-resisting, the features such as crushing resistance is good, be conducive to improve the anchorage force of cavernous body end.
In order to realize the second object of the present invention, the invention provides a kind of handle box, comprise housing, developer roll and powder feeding roller, housing surrounds the cavity that holds consumptive material, one end of cavity is provided with consumptive material outlet, developer roll is arranged in cavity near consumptive material exit, powder feeding roller is arranged on cavity, powder feeding roller comprises axle core and is sleeved on the cavernous body on axle core, cavernous body and developer roll adjacency, wherein, powder feeding roller also comprises the support member that is sleeved on axle core, support member is arranged on the outside, end of cavernous body and is connected with cavernous body, and the hardness of support member is greater than the hardness of cavernous body.
From such scheme, the support member with larger hardness is set by the end at cavernous body, and by this support member is connected with the end of cavernous body, because the hardness of support member is greater than the hardness of cavernous body, make support member to provide the power of elastic reset effectively for cavernous body, when the end of cavernous body is contacted with developer roll, be not easy to cause and subside, thereby avoid, because the subside clean-up performance that causes of end declines, effectively improving the clean-up performance of powder feeding roller by this powder feeding roller being installed at handle box.
Accompanying drawing explanation
Fig. 1 is the structural diagrams intention of existing handle box.
Fig. 2 is the structural drawing of existing developer roll while contacting 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 the structural drawing of powder feeding roller embodiment of the present invention while contacting with developer roll.
Below in conjunction with drawings and Examples, the invention will be further described.
Embodiment
Powder feeding roller embodiment:
With reference to Fig. 3, Fig. 3 is the partial exploded view of powder feeding roller 3 in anchor portion.Powder feeding roller 3 comprises along axis L1 extends the iron axle core 31 arranging, and is set with along axis L1 and extends ring-type cavernous body 32 is set on axle core 31, and cavernous body 32 has end face 321 in one side, and the radius of this end face 321 is R1.Powder feeding roller 3 also comprises the support member 4 being made by plastics, rubber or copper sheet, because support member 4 is made by plastics, rubber, copper sheet or stainless steel, so the hardness of support member 4 is greater than the hardness of cavernous body 32.The support member 4 that ring-type arranges is the tablet extending along axis L1, and support member 4 penetratingly offers through hole 41 along axis L1, and the radius of the end face 42 of support member 4 is R2, and the radius R of end face 42 2 is arranged to be less than radius R 1.
With reference to Fig. 4, Fig. 4 is the partial exploded view of powder feeding roller 3 in drive end.Powder feeding roller 3 comprises along axis L1 extends the iron axle core 31 arranging, the outermost end of axle core 31 is provided with nicked drive end 311, drive end 311 rotates powder feeding roller 3 for receiving external motivating force, on axle core 31, be set with along axis L1 and extend ring-type cavernous body 32 is set, cavernous body 32 has end face 322 at its opposite side, and the radius of this end face 321 is similarly R1.Powder feeding roller 3 also comprises the support member 5 being made by plastics, rubber or copper sheet, because support member 5 is made by plastics, rubber or copper sheet, so the hardness of support member 5 is greater than the hardness of cavernous body 32.The support member 5 that ring-type arranges is the tablet extending along axis L1, and support member 5 penetratingly offers through hole 51 along axis L1, and the radius of the end face 52 of support member 5 is R3, and the radius R of end face 52 3 is arranged to be less than radius R 1.
With reference to Fig. 5, Fig. 5 is the structural drawing of powder feeding roller 3 while contacting with developer roll 6, and developer roll 6 comprises iron axle core 61 and is sleeved on the rubber bodies 62 on axle core 61.In the time that support member 4 is installed on an end of powder feeding roller 3, support member 4 is through axle core 31 and contact with end face 321, and by bonding mode by support member 4 together with end face 321 bonding connections.In the time that support member 5 is installed on the other end of powder feeding roller 3, support member 5 is through axle core 31 and contact with end face 322, and by bonding mode by support member 5 together with end face 322 bonding connections.
In the time that powder feeding roller 3 and developer roll 6 cooperatively interact work, 3 of powder feeding roller are pressed mutually with developer roll 6, rubber bodies 62 contacts with cavernous body 32, support member 4 and support member 5 and mutually presses, because the hardness of rubber bodies 62 is greater than the cavernous body 32 that is positioned at middle part, thus cavernous body 32 will towards axle core 31 inwardly in compression deformation.
And on the end 71 of cavernous body 32, the support member 4 larger due to 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 anchorage force simultaneously, so support member 4 can be effectively for the end face 321 of cavernous body 32 provides reset force, make the end of cavernous body 32 be not easy to subside, effectively avoid the decline of the clean-up performance of powder feeding roller 3, then make the end of powder feeding roller 3 still can carry out good cleaning to the end of developer roll 6 after long-time use.
In like manner, on the end 72 of cavernous body 32, the support member 5 larger due to hardness is connected with the end face 322 of cavernous body 32, the larger support member 5 of hardness is not easy deformation and has larger anchorage force simultaneously, so support member 5 can be effectively for the end face 322 of cavernous body 32 provides reset force, make the end of cavernous body 32 be not easy to subside, effectively avoid the decline of the clean-up performance of powder feeding roller 3, then make the end of powder feeding roller 3 still can carry out good cleaning to the end of developer roll 6 after long-time use.
Handle box embodiment:
Handle box comprises housing, and housing surrounds the cavity accommodating as the carbon dust of printing consumables, and one end of cavity is provided with carbon dust outlet, in carbon dust exit, developer roll is installed, and seal assembly is installed below developer roll.Handle box also comprises the powder feeding roller of above-described embodiment, this powder feeding roller be arranged in cavity and with developer roll adjacency.
From such scheme, end by the cavernous body in powder feeding roller arranges the support member with larger hardness, and by this support member is connected with the end of cavernous body, because the hardness of support member is greater than the hardness of cavernous body, support member is not easy deformation and has larger anchorage force, make support member to provide the power of elastic reset effectively for connected cavernous body, thereby avoid because the subside clean-up performance that causes of end declines, effectively improve the clean-up performance of powder feeding roller and handle box, effectively improve the quality of prining.
Finally it is emphasized that; the present invention is not limited to above-mentioned embodiment, as the support member that adopts other materials to be made, as long as the hardness of this material is greater than the hardness of cavernous body; all can realize the object of the invention, these all should be included in the protection domain of the claims in the present invention.
Claims (10)
1. powder feeding roller, comprises axle core and is sleeved on the cavernous body on described axle core;
It is characterized in that:
Described powder feeding roller also comprises the support member that is sleeved on described axle core, and described support member is arranged on the outside, end of described cavernous body and is connected with described cavernous body, and the hardness of described support member is greater than the hardness of described cavernous body.
2. powder feeding roller according to claim 1, is characterized in that:
The end surface shape of described support member is identical with the end surface shape of described cavernous body.
3. powder feeding roller according to claim 2, is characterized in that:
The end face radius of described support member is less than or equal to the end face radius of described cavernous body.
4. according to powder feeding roller described in claims 1 to 3 any one, it is characterized in that:
Described support member is made by plastics or rubber.
5. according to powder feeding roller described in claims 1 to 3 any one, it is characterized in that:
Described support member is made by copper or stainless steel.
6. handle box, comprises
Housing, described housing surrounds the cavity that holds consumptive material, and one end of described cavity is provided with consumptive material outlet;
Developer roll, described developer roll is arranged in described cavity near described consumptive material exit;
Powder feeding roller, described powder feeding roller is arranged on described cavity, and described powder feeding roller comprises axle core and is sleeved on the cavernous body on described axle core, described cavernous body and described developer roll adjacency;
It is characterized in that:
Described powder feeding roller also comprises the support member that is sleeved on described axle core, and described support member is arranged on the outside, end of described cavernous body and is connected with described cavernous body, and the hardness of described support member is greater than the hardness of described cavernous body.
7. handle box according to claim 6, is characterized in that:
The end surface shape of described support member is identical with the end surface shape of described cavernous body.
8. handle box according to claim 7, is characterized in that:
The end face radius of described support member is less than or equal to the end face radius of described cavernous body.
9. according to handle box described in claim 5 to 8 any one, it is characterized in that:
Described support member is made by plastics or rubber.
10. according to handle box described in claim 5 to 8 any one, it is characterized in that:
Described 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 true CN103885309A (en) | 2014-06-25 |
| CN103885309B 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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| Country | Link |
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| CN (1) | CN103885309B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505818A (en) * | 2016-06-14 | 2017-12-22 | 富士施乐株式会社 | Developing apparatus and image forming apparatus |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1428665A (en) * | 2001-12-28 | 2003-07-09 | 兄弟工业株式会社 | Developing box |
| 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 |
| 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 |
| US20120237263A1 (en) * | 2011-03-16 | 2012-09-20 | Brother Kogyo Kabushiki Kaisha | 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 |
-
2014
- 2014-03-10 CN CN201410086351.9A patent/CN103885309B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1428665A (en) * | 2001-12-28 | 2003-07-09 | 兄弟工业株式会社 | Developing box |
| 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 |
| 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 |
| US20120237263A1 (en) * | 2011-03-16 | 2012-09-20 | Brother Kogyo Kabushiki Kaisha | 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505818A (en) * | 2016-06-14 | 2017-12-22 | 富士施乐株式会社 | Developing apparatus and image forming apparatus |
| CN107505818B (en) * | 2016-06-14 | 2021-09-14 | 富士胶片商业创新有限公司 | Developing device and image forming apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103885309B (en) | 2017-11-28 |
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