CN111930000A - Developing box separator and developing box using same - Google Patents

Developing box separator and developing box using same Download PDF

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Publication number
CN111930000A
CN111930000A CN202010858472.6A CN202010858472A CN111930000A CN 111930000 A CN111930000 A CN 111930000A CN 202010858472 A CN202010858472 A CN 202010858472A CN 111930000 A CN111930000 A CN 111930000A
Authority
CN
China
Prior art keywords
separator
drum core
charging roller
gear
box body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010858472.6A
Other languages
Chinese (zh)
Inventor
祝金军
李忠溪
何家冰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangxi Kailide Technology Co ltd
Original Assignee
Jiangxi Kailide Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangxi Kailide Technology Co ltd filed Critical Jiangxi Kailide Technology Co ltd
Priority to CN202010858472.6A priority Critical patent/CN111930000A/en
Publication of CN111930000A publication Critical patent/CN111930000A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/1642—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements for connecting the different parts of the apparatus
    • G03G21/1647—Mechanical connection means
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/0005—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium
    • G03G21/0011—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge for removing solid developer or debris from the electrographic recording medium using a blade; Details of cleaning blades, e.g. blade shape, layer forming
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/10—Collecting or recycling waste developer
    • G03G21/12—Toner waste containers
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
    • G03G21/1803—Arrangements or disposition of the complete process cartridge or parts thereof
    • G03G21/1814—Details of parts of process cartridge, e.g. for charging, transfer, cleaning, developing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
    • G03G21/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements
    • G03G21/18—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements using a processing cartridge, whereby the process cartridge comprises at least two image processing means in a single unit
    • G03G21/1803—Arrangements or disposition of the complete process cartridge or parts thereof
    • G03G21/1817—Arrangements or disposition of the complete process cartridge or parts thereof having a submodular arrangement
    • G03G21/1821—Arrangements or disposition of the complete process cartridge or parts thereof having a submodular arrangement means for connecting the different parts of the process cartridge, e.g. attachment, positioning of parts with each other, pressure/distance regulation

Abstract

A developing box separator is applied to a main box body of a developing box and connected between a charging roller and a drum core, a through bearing hole is formed in the middle of the separator, and two ends of the charging roller are respectively arranged in the bearing hole; the separator is an irregular body and at least comprises a first contact plane, a first cambered surface, a second contact plane, a second cambered surface and a third contact surface which are sequentially connected in the first position in the circumferential direction; the second cambered surface is provided with a plurality of radially outwards protruding meshing parts, and the meshing parts are meshed with the gear on the drum core and are driven by the drum core to rotate to be separated from the drum core; the second cambered surface of the separator is coaxial with the bearing hole, and the radius of the second cambered surface is larger than that of the charging roller; and the vertical distance from the third contact surface to the bearing hole is smaller than the radius of the charging roller. The separator of the invention separates the charging roller and the toner cartridge by a certain distance, and ensures that the rubber of the charging roller is not deformed under pressure when the charging roller is stored in a machine or sold.

Description

Developing box separator and developing box using same
Technical Field
The invention relates to the field of developing boxes, in particular to a developing box separator and a developing box using the same.
Background
An electrophotographic image forming apparatus is an apparatus that forms an image on a recording material by an electrophotographic image forming process technique, such as: an electrophotographic copying machine, a laser printer, an electrophotographic printer, a facsimile machine, a word processor, etc., wherein an electrophotographic image forming apparatus mainly includes a main frame for mounting components required for forming an image, the main frame having a space for mounting the developing cartridge therein, and a developing cartridge detachably mounted in the electrophotographic image forming apparatus.
At present, a developing cartridge mainly includes: the drive assembly of the developing box is arranged at one end of the developing box along the axial direction of the developing unit or the photosensitive unit, and after the drive assembly is meshed with a driving head in the electronic imaging device, the drive assembly transmits the rotating driving force to the developing box, and finally drives a rotating element (such as the developing element, the photosensitive element, the stirring element and the like) in the developing box to rotate so as to participate in the developing operation of the electronic imaging device.
However, in the above developing cartridge in the prior art, contact type development is mostly adopted between the developing element and the photosensitive element, the developing element and the photosensitive element are always kept in a close contact state during printing and when not printing, but because the photosensitive element is a rigid component, the outer surface of the developing element is a rubber layer, the rubber layer and the rigid component are kept in close contact for a long time, and especially in close contact when not printing, the rubber layer is easy to deform, and the deformation of the rubber layer will cause great influence on the printing quality, thus seriously affecting the printing quality and the service life of the developing cartridge.
Disclosure of Invention
The present invention provides a developing cartridge separator and a developing cartridge using the same, which solves the technical problem in the prior art that the rubber layer on the photosensitive assembly is deformed due to long-term contact between the rubber layer and the rigid component, thereby causing the influence on the printing quality, and the present invention will be further described below.
A developing box separator is applied to a main box body of a developing box and connected between a charging roller and a drum core, a through bearing hole is formed in the middle of the separator, and two ends of the charging roller are respectively arranged in the bearing hole; the separator is an irregular body and at least comprises a first contact plane, a first cambered surface, a second contact plane, a second cambered surface and a third contact surface which are sequentially connected in the first position in the circumferential direction; the second cambered surface is provided with a plurality of radially outwards protruding meshing parts, and the meshing parts are meshed with the gear on the drum core and are driven by the drum core to rotate to be separated from the drum core; the second cambered surface of the separator is coaxial with the bearing hole, and the radius of the second cambered surface is larger than that of the charging roller; and the vertical distance from the third contact surface to the bearing hole is smaller than the radius of the charging roller.
Preferably, the separator is driven to rotate by the meshing transmission of the gear on the drum core and the meshing part after the drum core rotates, and the separator rotates by taking the first cambered surface as an axis.
Preferably, the first arc surface is concentric with the bearing hole, and the corresponding central angles of the first arc surface and the second arc surface are equal; so that the rotation stability is improved in the rotation process.
Preferably, a transition arc surface is further arranged between the second arc surface and the third contact surface, and in the rotating process of the separator, the drum core is in contact with the third contact surface through the second arc surface; due to the existence of the transition cambered surface, the teeth of the drum core gear are protected from being broken, the jumping caused by sudden change of distance in the rotating process is avoided, and the rotating stability is kept.
Preferably, the meshing part is at least one row of convex teeth which are arranged on the second cambered surface and take the bearing hole as an axis, and the gap between the convex teeth is consistent with the tooth pitch of the gear of the drum core.
Preferably, the separator is provided with a plurality of weight reduction grooves by taking the bearing hole as the center, and reinforcing ribs are arranged between the weight reduction grooves; the weight of the separator is reduced, and the compressive strength of the separator is ensured.
The invention also relates to a developing box applying the separator, which comprises a box body, a charging roller, a drum core, a conductive spring, a conductive sheet, a side cover and a waste powder collecting assembly, wherein the charging roller is arranged on the box body;
the side cover is connected to one end of the box body, two ends of the drum core are movably arranged on the box body, and a triangular clamping position is arranged at one end, far away from the side cover, of the drum core; the two ends of the box body are provided with placing positions formed by opposite side walls, the separator is placed at the placing positions, the two ends of the charging roller are connected to the separator, and the separator is upwards connected with the drum core; the box body is provided with a conducting strip and a spring sleeve column at one end close to the triangular clamping position, the conducting strip is electrically connected with a conducting spring, and the conducting spring is sleeved on the spring sleeve column and upwards contacts the charging roller to always apply an upward acting force on the charging roller;
the useless powder collection assembly is including connecting scraper and the collection storehouse on the box body, one edge of scraper is pasted on drum core surface, and drum core is at the rotation in-process, remains the developer on its surface and is scraped by the scraper and the direction advances to collect the storehouse, still is equipped with the spoiler that prevents the developer refluence in collecting the storehouse.
Preferably, the waste powder collecting component also comprises a rotating shaft, the rotating shaft is arranged in the collecting bin, one end of the rotating shaft penetrates through the outside of the collecting bin and is provided with a rotating wheel and a limiting disc, and a spring sleeved on the rotating shaft is arranged between the rotating wheel and the limiting disc; the rotating wheel is radially and outwardly matched with a collecting bin gear, a clamping protrusion is arranged in the collecting bin gear, the rotating wheel is provided with a clamping groove, and the clamping protrusion is matched with the clamping groove; the collecting bin gear is meshed with the gear helical teeth of the drum core, and the driving force of the gear is transmitted to the rotating shaft to drive the rotating shaft to rotate; the rotating wheel is outwards provided with a rotating body pivoted on the box body, a butterfly-shaped first swing arm and a butterfly-shaped second swing arm are connected to the rotating body, the first swing arm is in contact with the side face of the rotating wheel, a torsion spring is sleeved on the rotating body, one end of the torsion spring is in contact with the first swing arm, and the other end of the torsion spring is in contact with the box body.
Has the advantages that: compared with the prior art, the separator separates the charging roller and the toner cartridge by a certain distance, and ensures that the rubber of the charging roller is not deformed under pressure during machine storage or sale; when the charging device works, the separator is separated from the drum core gear, the charging roller is contacted with the selenium drum under the action of the elastic force of the spring, and the circuit is conducted. The developing box with the separator is also provided with a function of automatically collecting waste developer and prompting the replacement of a sufficient collecting bin.
Drawings
FIG. 1: a schematic view of an overall structure of the developing cartridge of the present invention;
FIG. 2: another overall structure schematic diagram of the developing box of the invention;
FIG. 3: the structure shown at A in FIG. 1 is enlarged schematically;
FIG. 4: the structure shown at B in FIG. 1 is an enlarged schematic view;
FIG. 5: the separator of the invention has a schematic structure;
FIG. 6: the structure schematic diagram of the waste powder collecting component;
FIG. 7: the structure at C shown in fig. 6 is enlarged schematically;
FIG. 8: the connection of the rotor and the collection bin gear at D shown in figure 7;
in the figure: the device comprises a separator 1, a first contact plane 101, a first arc surface 102, a second contact plane 103, a second arc surface 104, a third contact surface 105, a bearing hole 106, a meshing part 107, a transition arc surface 108, a lightening groove 109, a reinforcing rib 1010, a box body 2, a placing position 21, a spring sleeve column 22, a charging roller 3, a drum core 4, a gear 41, a triangular clamping position 42, a conductive spring 5, a conductive sheet 6, a side cover 7, a scraper 8, a collecting bin 9, a rotating shaft 10, a rotating wheel 101, a clamping groove 1011, a limiting disc 102, a spring 103, a collecting bin gear 11, a clamping protrusion 111, a rotating body 12, a first swing arm 121, a second swing arm 122 and a torsion spring 13.
Detailed Description
A specific embodiment of the present invention will be described in detail with reference to fig. 1-8.
Referring to fig. 3-5, a developing cartridge separator 1 is applied to a main body casing 2 of a developing cartridge and connected between a charging roller 3 and a drum core 4, the separator 1 is an irregular body and at least comprises a first contact plane 101, a first cambered surface 102, a second contact plane 103, a second cambered surface 104 and a third contact surface 105 which are sequentially connected in the first position in the circumferential direction; a through bearing hole 106 is formed in the middle of the separator 1, and two ends of the charging roller 3 are respectively arranged in the bearing holes 106; the second cambered surface 104 is provided with a plurality of radially outwardly protruding meshing parts 107, and the meshing parts 107 mesh with the gear 41 on the drum core 4 and are rotationally driven by the drum core 4 to be disengaged from the drum core 4.
The separator 1 and the drum core 4 have two action states of engagement and disengagement, in the engagement state, the first contact plane 101 of the separator 1 is attached to the box body 2, the second cambered surface 104 faces the drum core 4, and the engagement part 107 on the second cambered surface is engaged with the drum core 4, which is worth particularly describing that the second cambered surface 104 of the separator 1 is coaxial with the bearing hole 106, the radius of the second cambered surface 104 is larger than that of the charging roller 3, and in the engagement state, the charging roller 3 and the drum core 4 are in the separation state under the action of the separator 1; in the disengaged state, the second contact plane 103 of the separator 1 is attached to the case 2, and the third contact surface 105 is in contact with the drum core 4, and it should be particularly noted that the vertical distance from the third contact surface 105 to the bearing hole 106 is smaller than the radius of the charging roller 3, so that the charging roller 3 is in contact with the drum core 4.
The separator 1 is driven by the drum core 4 to realize the transition from the engaged state to the disengaged state, specifically, after the drum core 4 rotates, the separator 1 is driven to rotate through the engagement transmission of the gear 41 on the drum core and the engaging part 107, the separator 1 rotates by taking the first cambered surface 102 as an axis, after the engagement is completed, the second contact plane 103 of the separator 1 is attached to the box body 2, and the third contact plane 105 is contacted on the drum core 4, so that the state transition is completed.
The first arc surface 102 is concentric with the bearing hole 106, and the corresponding central angles of the first arc surface 102 and the second arc surface 104 are equal, so that the rotation stability is improved in the rotation process.
A transition arc surface 108 is further arranged between the second arc surface 104 and the third contact surface 105, and in the rotating process of the separator 1, the drum core 4 is in contact with the third contact surface 105 through the contact with the second arc surface 104, and due to the existence of the transition arc surface 108, the teeth of the drum core gear 41 are protected from being broken, the jumping caused by the sudden change of distance in the rotating process is avoided, and the rotating stability is kept.
The meshing portion 107 is at least one row of convex teeth provided on the second arc surface 104 with the bearing hole 106 as an axis, and a gap between the convex teeth is equal to a tooth pitch of the gear 41 of the drum core 4.
A plurality of weight reducing grooves 109 are formed in the separator 1 by taking the bearing hole 106 as the center, and reinforcing ribs 1010 are arranged among the weight reducing grooves 109, so that the weight of the separator 1 is reduced, and the compressive strength of the separator is guaranteed.
Referring to the attached drawings 1-8, the invention also relates to a developing box with the separator 1, which comprises a box body 2, a charging roller 3, a drum core 4, a conductive spring 5, a conductive sheet 6, a side cover 7 and a waste powder collecting assembly, wherein the side cover 7 is connected to one end of the box body 2, two ends of the drum core 4 are movably arranged on the box body 2, a triangular clamping position 42 is arranged at one end of the drum core 4 far away from the side cover 7, when the developing box is arranged on an electronic imaging device, the triangular clamping position 42 is clamped with the electronic imaging device, and the drum core 4 rotates under the driving of the electronic imaging device; the two ends of the box body 2 are provided with placing positions 21 formed by opposite side walls, the separator 1 is placed at the placing positions 21, the side walls on the two sides of the placing positions 21 limit the lateral movement of the separator 1, the two ends of the charging roller 3 are connected to the separator 1, and the separator 1 is upwards connected with the drum core 3; the developing box is characterized in that one end of the box body 2 close to the triangular clamping position 42 is provided with a conducting strip 6 and a spring sleeve column 22, the conducting strip 6 is electrically connected with a conducting spring 5, the conducting spring 5 is sleeved on the spring sleeve column 22 and upwards contacts the charging roller 3, an upward acting force is always applied to the charging roller 3, when the separator 1 is in a separation state, the conducting strip 6, the conducting spring 5, the charging roller 3 and the drum core 4 form a conducting path, when the developing box is installed on an electronic imaging device, the conducting strip 6 is electrically connected with a high-voltage conducting interface of the electronic imaging device, power supply operation to the developing box is realized, and the drum core 4 is electrified to work.
The conductive spring 5 is used for enabling the charging roller 3 to be always upwards contacted on the surface of the drum core 4 under the action of restoring force, so that the working stability of the drum core 4 is ensured; when the developing box works, the charging roller 3 is positively charged to adsorb the developer, the developer is attached to the paper when the paper passes between the charging roller 3 and the drum core 4, and the printing effect can be finished after the paper is melted at high temperature in the later period; however, in actual operation, about 10% of the developer is not completely adsorbed to the paper and remains on the surface of the drum core 4, and based on this, the developing cartridge of the present invention is further provided with a waste toner collecting member that collects and stores the waste developer remaining on the surface of the drum core 4.
Useless powder collection assembly is including connecting scraper 8 and collection storehouse 9 on box body 2, one edge of scraper 8 pastes on 4 surfaces of drum core, and drum core 4 is rotating the in-process, and the developer that remains its surface is scraped by scraper 8 and is led to advance and collect storehouse 9, still is equipped with the spoiler in collecting storehouse 9, places the developer that gets into in the collection storehouse 9 and takes place the refluence.
After working for a certain time, the waste developer collected in the collection bin 9 is gradually increased, the waste powder collection assembly is provided with a prompt structure for prompting the collection bin 9 to collect sufficient waste developer, specifically, the waste powder collection assembly further comprises a rotating shaft 10, the rotating shaft is arranged in the collection bin 9, one end of the rotating shaft penetrates through the collection bin 9 and is provided with a rotating wheel 101 and a limiting disc 102, and a spring 103 sleeved on the rotating shaft 10 is arranged between the rotating wheel 101 and the limiting disc 102; the rotating wheel 101 is matched with a collecting bin gear 11 radially outwards, a clamping protrusion 111 is arranged in the collecting bin gear 11, the rotating wheel 101 is provided with a clamping groove 1011, the clamping protrusion 111 is matched with the clamping groove 1011, the collecting bin gear 11 is meshed with the inclined teeth of the gear 41 of the drum core 4, the driving force of the gear 41 is transmitted to the rotating shaft 10, and the rotating shaft 10 is driven to rotate; the rotating wheel 101 is outwardly provided with a rotating body 12 pivoted on the box body 2, the rotating body 12 is connected with a first swing arm 121 and a second swing arm 122 which are butterfly-shaped, the first swing arm 121 is contacted with the side surface of the rotating wheel 101, the rotating body 12 is sleeved with a torsion spring 13, one end of the torsion spring 13 is contacted with the first swing arm 121, and the other end of the torsion spring 13 is contacted with the box body 2.
Under normal conditions, the spring 103 extrudes the rotating wheel 101 to one side far away from the collecting bin 9, and the collecting bin gear 11 and the rotating wheel 101 are matched to rotate synchronously so as to drive the developer to be discharged into the waste powder bin; however, when the amount of the developer collected in the waste powder bin 9 reaches a certain amount, the rotating shaft 10 of the waste powder bin cannot rotate due to too large resistance of the developer, and the collecting bin gear 11 is in a continuous rotating state under the driving of the drum core 4, at this time, the collecting bin gear 11 generates an axial pushing force on the rotating wheel 101 matched with the collecting bin gear, so as to push the rotating shaft 9 to move axially, further act on the first swing arm 121, drive the rotating body 12 to rotate, simultaneously compress the torsion spring 13, and after the rotating body 12 rotates, the second swing arm 122 triggers a sensor in the electronic imaging device, so as to prompt a user that the accessory needs to be replaced.
The separator separates the charging roller and the toner cartridge by a certain distance, so that the rubber of the charging roller is prevented from being pressed and deformed during machine storage or sale; when the charging device works, the separator is separated from the drum core gear, the charging roller is contacted with the selenium drum under the action of the elastic force of the spring, and the circuit is conducted. The developing box with the separator is also provided with a function of automatically collecting waste developer and prompting the replacement of a sufficient collecting bin.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A developing box separator is applied to a main box body (2) of a developing box and connected between a charging roller (3) and a drum core (4), a through bearing hole (106) is formed in the middle of the separator (1), and two ends of the charging roller (3) are respectively arranged in the bearing hole (106); the method is characterized in that:
the separator (1) is an irregular body and at least comprises a first contact plane (101), a first cambered surface (102), a second contact plane (103), a second cambered surface (104) and a third contact surface (105) which are sequentially connected in the first position in the circumferential direction; a plurality of radially outwards protruding meshing parts (107) are arranged on the second cambered surface (104), and the meshing parts (107) are meshed with the gear (41) on the drum core (4) and are rotationally driven by the drum core (4) to be disengaged from the drum core (4);
the second cambered surface (104) of the separator (1) is coaxial with the bearing hole (106), and the radius of the second cambered surface (104) is larger than that of the charging roller (3); the vertical distance from the third contact surface (105) to the bearing hole (106) is smaller than the radius of the charging roller (3).
2. A developer cartridge separator according to claim 1, wherein: after the drum core (4) rotates, the separator (1) is driven to rotate by the meshing transmission of the gear (41) and the meshing part (107) on the drum core, and the first cambered surface (102) serves as an axis.
3. A developer cartridge separator according to claim 1, wherein: the first arc surface (102) is concentric with the bearing hole (106), and the corresponding central angles of the first arc surface (102) and the second arc surface (104) are equal.
4. A developer cartridge separator according to claim 1, wherein: a transition arc surface (108) is further arranged between the second arc surface (104) and the third contact surface (105), and in the rotating process of the separator (1), the drum core (4) is in contact with the third contact surface (105) through the second arc surface (104).
5. A developer cartridge separator according to claim 1, wherein: the meshing part (107) is at least one row of convex teeth which are arranged on the second cambered surface (104) and take the bearing hole (106) as an axis, and the gap between the convex teeth is consistent with the tooth spacing of the gear (41) of the drum core (4).
6. A developer cartridge separator according to any one of claims 1 to 5, wherein: a plurality of weight reducing grooves (109) are formed in the separator (1) by taking the bearing hole (106) as the center, and reinforcing ribs (1010) are arranged among the weight reducing grooves (109).
7. A developing cartridge, characterized in that: the device comprises a separator (1), a box body (2), a charging roller (3), a drum core (4), a conductive spring (5), a conductive sheet (6), a side cover (7) and a waste powder collecting assembly;
the side cover (7) is connected to one end of the box body (2), two ends of the drum core (4) are movably arranged on the box body (2), and a triangular clamping position (42) is arranged at one end, far away from the side cover (7), of the drum core (4); the charging device is characterized in that placing positions (21) formed by opposite side walls are arranged at two ends of the box body (2), the separator (1) is placed at the placing positions (21), two ends of the charging roller (3) are connected to the separator (1), and the separator (1) is upwards connected with the drum core (3); a conducting strip (6) and a spring sleeve column (22) are arranged at one end, close to the triangular clamping position (42), of the box body (2), the conducting strip (6) is electrically connected with a conducting spring (5), the conducting spring (5) is sleeved on the spring sleeve column (22) and upwards contacts the charging roller (3), and an upward acting force is always applied to the charging roller (3);
useless powder collection assembly is including connecting scraper (8) and collection storehouse (9) on box body (2), one edge of scraper (8) is pasted on drum core (4) surface, and drum core (4) are rotating the in-process, remain the developer on its surface and are scraped by scraper (8) and lead to into collection storehouse (9), still are equipped with the spoiler that prevents the developer refluence in collection storehouse (9).
8. A developing cartridge according to claim 7, wherein: the waste powder collecting assembly also comprises a rotating shaft (10), the rotating shaft is arranged in the collecting bin (9), one end of the rotating shaft penetrates through the collecting bin (9) and is provided with a rotating wheel (101) and a limiting disc (102), and a spring (103) sleeved on the rotating shaft (10) is arranged between the rotating wheel (101) and the limiting disc (102); the rotating wheel (101) is matched with a collecting bin gear (11) radially outwards, a clamping protrusion (111) is arranged in the collecting bin gear (11), the rotating wheel (101) is provided with a clamping groove (1011), and the clamping protrusion (111) is matched with the clamping groove (1011); the collecting bin gear (11) is meshed with the helical teeth of the gear (41) of the drum core (4), the driving force of the gear (41) is transmitted to the rotating shaft (10), and the rotating shaft (10) is driven to rotate; the rotating wheel (101) is outwards provided with a rotating body (12) which is pivoted on the box body (2), the rotating body (12) is connected with a first swing arm (121) and a second swing arm (122) which are butterfly-shaped, the first swing arm (121) is in contact with the side face of the rotating wheel (101), the rotating body (12) is sleeved with a torsion spring (13), one end of the torsion spring (13) is in contact with the first swing arm (121), and the other end of the torsion spring is in contact with the box body (2).
CN202010858472.6A 2020-08-24 2020-08-24 Developing box separator and developing box using same Pending CN111930000A (en)

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Application Number Priority Date Filing Date Title
CN202010858472.6A CN111930000A (en) 2020-08-24 2020-08-24 Developing box separator and developing box using same

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Application Number Priority Date Filing Date Title
CN202010858472.6A CN111930000A (en) 2020-08-24 2020-08-24 Developing box separator and developing box using same

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CN111930000A true CN111930000A (en) 2020-11-13

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JPH1195532A (en) * 1997-09-19 1999-04-09 Ricoh Co Ltd Electrifier for image forming device
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Application publication date: 20201113