Double-powder-bin processing box and stirring frame thereof
By designing a double powder chamber and a multi-layer mixing rack in the processing box of the electrophotographic imaging equipment, the supply instability caused by toner accumulation is solved, the full stirring and stable supply of toner are achieved, and the imaging quality and number of printed pages are improved.
Patent Information
- Application Number
- CN202420652236.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-03-29
AI Technical Summary
After the processing cartridge of the existing electrophotographic imaging equipment increases the volume of the toner, the toner is prone to accumulate at the bottom wall of the powder chamber or at the corners of the convex structure, resulting in unstable supply of the toner and affecting the imaging quality.
A double powder chamber treatment box is designed, including a first powder chamber and a second powder chamber connected to each other, and a stirring rack with a plurality of stirring structures is provided in each powder chamber. The first flexible sheet and the second flexible sheet are provided on the rotating shaft of the stirring rack. The stirring end of the second flexible sheet includes a plurality of stirring structures that can be bent against the inner peripheral wall of the powder chamber to ensure sufficient stirring of the toner.
Through the double powder bin design and multi-layer stirring structure, sufficient stirring of toner is achieved, ensuring the stability and smoothness of toner supply, improving imaging quality, increasing the number of printed pages, and reducing the frequency of users changing the processing box.
Smart Images
Figure CN222600065U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electronic photographic imaging printing, in particular to a double powder bin processing box detachably mounted on electronic photographic imaging equipment and a stirring frame thereof. Background Art
[0002] Electrophotographic imaging devices such as laser printers, copiers, fax machines, image processors, etc., are devices that use the principle of electrophotography to form images on image forming media such as paper through processes such as charging, exposure, development, transfer, fixing, and cleaning. Typically, imaging devices use a process cartridge that is detachably installed therein to provide toner.
[0003] Toner is stored in the powder supply bin of the processing box, and the capacity of the powder supply bin is related to the number of pages printed when the processing box is used on the electronic photographic imaging device. In order to expand the capacity of the powder supply bin to increase the number of pages printed, the existing processing box increases its toner volume by adding a powder bin. However, in actual use, the toner in the added powder bin is easily accumulated on the bottom wall of the powder bin, or at the corners of the convex and concave structure of the powder bin, resulting in the toner not being able to smoothly enter the other powder bin, thereby affecting the stability of the toner supply and further affecting the imaging quality.
[0004] In order to stir the carbon powder in the powder bin to prevent accumulation, the existing stirring frame is provided with a rotating shaft and a flexible sheet. However, it is difficult for one flexible sheet to fully stir the carbon powder in the powder bin, and the stirring effect is not ideal. Utility Model Content
[0005] In order to achieve the first purpose of the utility model, the utility model provides a stirring rack which can fully stir carbon powder, has a better stirring effect and works stably and reliably.
[0006] In order to achieve the second purpose of the utility model, the utility model provides a dual powder bin processing box with the above-mentioned stirring frame, which can accommodate more toner, has smooth toner flow supply and stable and reliable toner supply, thereby ensuring imaging quality, increasing the number of printed pages, reducing the frequency of user replacement of processing boxes, and thus improving user experience.
[0007] In order to achieve the first purpose of the utility model, the utility model provides a stirring frame, including a rotating shaft, a first flexible sheet and a second flexible sheet; the first flexible sheet extends in the axial direction of the rotating shaft as a long strip, and the first mounting end of the first flexible sheet is arranged on the rotating shaft, and the first stirring end of the first flexible sheet is arranged to protrude outward from the rotating shaft in the radial direction of the rotating shaft; the second flexible sheet is located on the side of the first flexible sheet away from the rotating shaft, and the second mounting end of the second flexible sheet is arranged on the rotating shaft, and the second stirring end of the second flexible sheet includes a plurality of stirring structures; the plurality of stirring structures are arranged side by side in the axial direction of the rotating shaft and the first stirring end is arranged to protrude outward from the radial direction of the rotating shaft, and the width of each stirring structure in the axial direction of the rotating shaft gradually decreases from the root connected to the second mounting end toward the stirring portion away from the second mounting end.
[0008] A further solution is that a plurality of planing structures are protruding from the side plate of the rotating shaft away from the first flexible sheet, the plurality of planing structures are arranged side by side in the axial direction of the rotating shaft, and a planing hole is provided on a side of each planing structure close to the stirring part.
[0009] A further solution is that a plurality of stirring ribs are protrudingly provided on a side plate of the rotating shaft away from the first flexible sheet, and the plurality of stirring ribs are arranged side by side in the axial direction of the rotating shaft.
[0010] A further solution is that the shaft is protruded with multiple hot-melt positioning columns, and the multiple hot-melt positioning columns are arranged side by side in the axial direction of the shaft; the first mounting end is penetrated with multiple first mounting holes, and the second mounting end is penetrated with multiple second mounting holes, and one hot-melt positioning column passes through a first mounting hole and a second mounting hole.
[0011] In order to achieve the second purpose of the utility model, the utility model provides a double powder bin processing box, including: a powder supply bin, the powder supply bin includes a first powder bin and a second powder bin that are connected to each other, the first powder bin and the second powder bin both contain carbon powder, and the second powder bin is provided with a powder outlet; a developing roller, the developing roller can be rotatably supported around its own axis between the two end walls of the second powder bin and is located at the powder outlet; a first stirring frame, the first stirring frame is a stirring frame of any one of the above claims 1 to 2, the rotating shaft of the first stirring frame can be rotatably supported around its own axis between the two end walls of the first powder bin and is located inside the first powder bin, and the stirring part of the first stirring frame is bent and pressed against the inner circumferential wall of the first powder bin; and / or, a second stirring frame, the second stirring frame is a stirring frame of any one of the above claims 1 to 2, the rotating shaft of the second stirring frame can be rotatably supported around its own axis between the two end walls of the second powder bin and is located inside the second powder bin, and the stirring part of the second stirring frame is bent and pressed against the inner circumferential wall of the second powder bin.
[0012] A further solution is that the double powder bin processing box includes a waste powder bin, a photosensitive drum, a driving force receiving head and a rotational force transmission assembly, the photosensitive drum can be rotatably supported around its own axis between the two end walls of the waste powder bin, and the two end walls of the waste powder bin are respectively connected to the two end walls of the powder supply bin; the driving force receiving head is arranged on one axial end of the photosensitive drum and is used to receive the rotational driving force of the imaging device, the rotational force transmission assembly includes a first driving gear, a second driving gear, a first transmission gear group, a third driving gear, a second transmission gear group and a fourth driving gear, the first driving gear is sleeved on the photosensitive drum, the second driving gear is sleeved on the developing roller and meshes with the first driving gear; the third driving gear is sleeved on the rotating shaft of the second stirring frame rotatably supported on the second powder bin, and the third driving gear receives the rotational driving force of the second driving gear through the first transmission gear group; the fourth driving gear is sleeved on the rotating shaft of the first stirring frame rotatably supported on the first powder bin, and the fourth drive gear receives the rotational driving force of the third driving gear through the second transmission gear group.
[0013] A further solution is that the dual toner bin processing box also includes a charging roller and two supporting assemblies, and the two supporting assemblies are respectively located at both ends of the charging roller in the axial direction of the charging roller; each supporting assembly includes a spring and a supporting ring, and the supporting ring is provided with a supporting hole, and one end of the charging roller is rotatably located in the supporting hole, and support frames are respectively provided at both ends of the waste toner bin, and the two ends of a spring are respectively pressed between a supporting frame and a supporting ring to force the support ring to move toward the photosensitive drum in the axial direction perpendicular to the photosensitive drum.
[0014] A further solution is that the dual toner bin processing box includes a first plug-in ring and a second plug-in ring, a first isolation rod is protruding from the side of the first plug-in ring, the first isolation rod can be detachably passed through the first end wall of the waste toner bin and pressed against the side of the first end of the charging roller away from the support hole to force the charging roller to separate from the photosensitive drum; a second isolation rod is protruding from the side of the second plug-in ring, the second isolation rod can be detachably passed through the second end wall of the waste toner bin and pressed against the side of the second end of the charging roller away from the support hole to force the charging roller to separate from the photosensitive drum.
[0015] A further solution is that a plurality of plug plates are protruding from the peripheral wall of the ring hole of the first plug-in ring, and the plurality of plug plates are arranged in the circumferential direction of the ring hole of the first plug-in ring; a first ring sleeve is provided on the outer peripheral sleeve of the driving force receiving head, and the plurality of plug plates can be removably inserted into the ring sleeve hole of the first ring sleeve; and / or a second ring sleeve is protruding from the end wall of the waste powder bin, and a plurality of bosses are protruding from the inner wall of the ring hole of the second plug-in ring, and the plurality of bosses are arranged in the circumferential direction of the ring hole of the second plug-in ring and can be clamped on the outer peripheral surface of the second ring sleeve.
[0016] A further solution is that the double powder bin processing box also includes a shielding cover, which can be detachably covered on the exposed side of the photosensitive drum away from the developing roller, and a first card slot is provided on the first end wall of the shielding cover in the axial direction of the photosensitive drum, and buckles are respectively provided at both ends of the first card slot in the circumferential direction of the photosensitive drum, and two grooves are provided on the outer periphery of the first ring sleeve, and the first card slot can be snapped on the outer periphery of the first ring sleeve, and a buckle can be detachably hooked in one groove; a second card slot is provided on the second end wall of the shielding cover in the axial direction of the photosensitive drum, and the second card slot can be snapped on the outer periphery of the second ring sleeve.
[0017] It can be seen from the above scheme that the powder supply bin of the dual powder bin processing box of the utility model includes a first powder bin and a second powder bin that are connected to each other. Therefore, by providing a dual powder bin, it is beneficial to increase the volume of carbon powder, so that the processing box can accommodate more carbon powder, so that the number of printed pages is increased, and the frequency of users replacing processing boxes is reduced, thereby improving the user experience. In addition, a stirring frame is provided in the first powder bin and / or the second powder bin of the dual powder bin processing box of the utility model, and a first flexible sheet and a second flexible sheet are provided on the rotating shaft of the stirring frame. The first flexible sheet and the second mounting end of the second flexible sheet are overlapped, thereby strengthening the structural strength of the second mounting end of the second flexible sheet, so that the overlapping part of the first flexible sheet and the second mounting end of the second flexible sheet stably stirs the carbon powder in the powder bin. At the same time, the second stirring end of the second flexible sheet of the utility model includes a plurality of stirring structures, and the plurality of stirring structures are arranged side by side in the axial direction of the rotating shaft and are arranged to protrude outward from the first stirring end of the first flexible sheet in the radial direction of the rotating shaft, and each The width of the stirring structure in the axial direction of the rotating shaft gradually decreases from the root of the second mounting end connected to the second flexible sheet toward the stirring portion of the second mounting end away from the second flexible sheet, so that the stirring portion of the second flexible sheet has good elasticity, so that the stirring portion of the second flexible sheet can be bent and pressed against the inner wall of the powder bin, especially can stir the carbon powder at the corner of the convex and concave structure of the powder bin, so as to fully stir the carbon powder in the powder bin, the stirring effect is better, and the operation is stable and reliable, and the carbon powder flow supply between the first powder bin and the second powder bin is smooth, thereby making the carbon powder supply of the dual powder bin processing box stable and reliable, so as to ensure the imaging quality. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a structural diagram from the first perspective of an embodiment of a double powder bin processing box of the utility model.
[0019] Figure 2 This is a structural diagram from a second viewing angle of an embodiment of a double powder bin processing box of the utility model.
[0020] Figure 3 It is a cross-sectional view of an embodiment of a double powder bin processing box of the utility model.
[0021] Figure 4 This is a partial structural exploded view from the first perspective of an embodiment of a double powder bin processing box of the utility model.
[0022] Figure 5 This is a partial structural exploded view from a second viewing angle of an embodiment of the double powder bin processing box of the utility model.
[0023] Figure 6 It is a structural diagram of the coordination among the charging roller, the supporting assembly and the first plug-in ring in the embodiment of the double-powder bin processing box of the utility model.
[0024] Figure 7 It is a structural diagram of the coordination of the charging roller, the supporting assembly and the second plug-in ring in the embodiment of the double-powder bin processing box of the utility model.
[0025] Figure 8 It is an exploded view of the coordination between the charging roller and the supporting assembly in the embodiment of the double powder bin processing box of the utility model.
[0026] Fig. 9 It is a structural diagram of the rotational force transmission component in the embodiment of the double powder bin processing box of the utility model.
[0027] Fig.10 It is a cross-sectional view of the powder supply bin in the embodiment of the double powder bin processing box of the utility model.
[0028] Fig.11 This is a first perspective structural diagram of the first stirring frame / second stirring frame in an embodiment of the double powder bin processing box of the utility model.
[0029] Fig.12 This is a second viewing angle structural diagram of the first stirring frame / the second stirring frame in the embodiment of the double powder bin processing box of the utility model.
[0030] Fig.13 It is an exploded view of the first stirring frame / the second stirring frame in the embodiment of the double powder bin processing box of the utility model.
[0031] The present invention will be further described below with reference to the accompanying drawings and embodiments. DETAILED DESCRIPTION
[0032] See also Figures 1 to 13 The present embodiment discloses a dual powder bin processing box 10, including a powder supply bin 13, a developing roller 17, a first stirring frame 19 and / or a second stirring frame 19, the powder supply bin 13 includes a first powder bin 131 and a second powder bin 132 that are connected, the first powder bin 131 and the second powder bin 132 both contain carbon powder, the second powder bin 132 is provided with a powder outlet 1321, and the developing roller 17 is rotatably supported around its own axis between the two end walls of the second powder bin 132 and is located at the powder outlet 1321.
[0033] Specifically, the first stirring frame 19 and the second stirring frame 19 of the present embodiment have the same structure, so that the stirring frame 19 of the present embodiment includes a rotating shaft 191, a first flexible sheet 194 and a second flexible sheet 195, the first flexible sheet 194 extends in the axial direction of the rotating shaft 191 as a long strip, and the first mounting end of the first flexible sheet 194 is arranged on the rotating shaft 191, the first stirring end of the first flexible sheet 194 is arranged to protrude outward from the rotating shaft 191 in the radial direction of the rotating shaft 191, and the second flexible sheet 195 is located on the side of the first flexible sheet 194 away from the rotating shaft 191 , and the second mounting end of the second flexible sheet 195 is arranged on the rotating shaft 191, the second stirring end of the second flexible sheet 195 includes a plurality of stirring structures 1951, and the plurality of stirring structures 1951 are arranged side by side in the axial direction of the rotating shaft 191 and are arranged protruding outward from the first stirring end of the first flexible sheet 194 in the radial direction of the rotating shaft 191, and the width of each stirring structure 1951 in the axial direction of the rotating shaft 191 gradually decreases from the root of the second mounting end connected to the second flexible sheet 195 toward the stirring portion away from the second mounting end of the second flexible sheet 195. Thus, the rotating shaft 191 of the first stirring frame 19 of the present embodiment can be rotatably supported around its own axis between the two end walls of the first powder bin 131 and is located inside the first powder bin 131, and the stirring portion of the first stirring frame 19 is bent and pressed against the inner circumferential wall of the first powder bin 131, and the rotating shaft 191 of the second stirring frame 19 of the present embodiment can be rotatably supported around its own axis between the two end walls of the second powder bin 132 and is located inside the second powder bin 132, and the stirring portion of the second stirring frame 19 is bent and pressed against the inner circumferential wall of the second powder bin 132.
[0034] The powder supply bin 13 of the dual powder bin processing box 10 of this embodiment includes a first powder bin 131 and a second powder bin 132 that are connected to each other. By providing a dual powder bin, it is beneficial to increase the volume of toner, so that the processing box 10 can accommodate more toner, increase the number of printed pages, reduce the frequency of users replacing the processing box 10, and thus improve the user experience. Furthermore, a stirring frame 19 is provided in the first powder bin 131 and / or the second powder bin 132 of the dual powder bin processing box 10 of the present embodiment, and a first flexible sheet 194 and a second flexible sheet 195 are provided on the rotating shaft 191 of the stirring frame 19, and the second mounting ends of the first flexible sheet 194 and the second flexible sheet 195 are overlapped, thereby strengthening the structural strength of the second mounting end of the second flexible sheet 195, so that the overlapping part of the second mounting end of the first flexible sheet 194 and the second flexible sheet 195 can stably stir the carbon powder in the powder bin, and at the same time, the second stirring end of the second flexible sheet 195 of the present embodiment includes a plurality of stirring structures 1951, and the plurality of stirring structures 1951 are arranged side by side in the axial direction of the rotating shaft 191 and protrude outward from the first flexible sheet 194 in the radial direction of the rotating shaft 191. 4, the width of each stirring structure 1951 in the axial direction of the rotating shaft 191 gradually decreases from the root of the second mounting end connected to the second flexible sheet 195 toward the stirring portion of the second mounting end away from the second flexible sheet 195, so that the stirring portion of the second flexible sheet 195 has good elasticity, so that the stirring portion of the second flexible sheet 195 can be bent and pressed against the inner circumferential wall of the powder bin, especially can stir the carbon powder at the corner of the convex and concave structure of the powder bin, so as to fully stir the carbon powder in the powder bin, the stirring effect is better, and the operation is stable and reliable, and the carbon powder flow supply between the first powder bin 131 and the second powder bin 132 is smooth, thereby making the carbon powder supply of the dual powder bin processing box 10 stable and reliable, so as to ensure the imaging quality.
[0035] In order to further improve the carbon powder stirring effect, the rotating shaft 191 of the stirring frame 19 of this embodiment is provided with a plurality of powder planing structures 192 protruding from the side plate away from the first flexible sheet 194. The plurality of powder planing structures 192 are arranged side by side in the axial direction of the rotating shaft 191. Each powder planing structure 192 is provided with a powder planing hole 1921 on one side of the stirring portion close to the second flexible sheet 195. The powder planing structure 192 can dig the carbon powder in the powder bin, thereby further improving the looseness of the carbon powder. Furthermore, the rotating shaft 191 of the stirring frame 19 of this embodiment is provided with a plurality of stirring ribs 193 protruding from the side plate away from the first flexible sheet 194. The plurality of stirring ribs 193 are arranged side by side in the axial direction of the rotating shaft 191. The stirring ribs 193 can also stir the carbon powder in the powder bin, thereby further improving the carbon powder stirring effect.
[0036] Among them, the rotating shaft 191 of the stirring frame 19 of this embodiment is protrudingly provided with a plurality of hot-melt positioning columns 196, and the plurality of hot-melt positioning columns 196 are arranged side by side in the axial direction of the rotating shaft 191. The first mounting end of the first flexible sheet 194 is penetrated by a plurality of first mounting holes 1941, and the second mounting end of the second flexible sheet 195 is penetrated by a plurality of second mounting holes 1052. A hot-melt positioning column 196 passes through a first mounting hole 1941 and a second mounting hole 1052, so that the first mounting end of the first flexible sheet 194 and the second mounting end of the second flexible sheet 195 are fixed on the rotating shaft 191 through the hot-melt positioning column 196.
[0037] In addition, the dual-powder bin processing box 10 of the present embodiment includes a waste powder bin 12, a photosensitive drum 16, a driving force receiving head 163 and a rotational force transmission component. The photosensitive drum 16 can be rotatably supported around its own axis between the two end walls of the waste powder bin 12, and the two end walls of the waste powder bin 12 are respectively connected to the two end walls of the powder supply bin 13. The driving force receiving head 163 is arranged on one axial end of the photosensitive drum 16 and is used to receive the rotational driving force of the imaging device. The rotational force transmission component includes a first driving gear 161, a second driving gear 164, a first transmission gear group, a third driving gear 167, a second transmission gear group and a fourth driving gear 1610. The first driving gear 161 is sleeved on the photosensitive drum 16, and the second driving gear 164 is sleeved on the developing roller 17 and meshes with the first driving gear 161, the third driving gear 167 is sleeved on the rotating shaft 191 of the second stirring frame 19 rotatably supported on the second powder bin 132, and the third driving gear 167 receives the rotational driving force of the second driving gear 164 through the first transmission gear group, the fourth driving gear 1610 is sleeved on the rotating shaft 191 of the first stirring frame 19 rotatably supported on the first powder bin 131, and the fourth driving gear 1610 receives the rotational driving force of the third driving gear 167 through the second transmission gear group, so that the transmission of the rotational driving force between the photosensitive drum 16, the developing roller 17, the second stirring frame 19 and the first stirring frame 19 is stable and reliable. Specifically, the first transmission gear set of the present embodiment includes a first transmission gear 165 and a second transmission gear 166, which are rotatably supported on one end wall of the powder supply bin 13, respectively. The first transmission gear 165 includes a primary gear 1651 and a secondary gear 1652, the pitch circle diameter of the primary gear 1651 is larger than the pitch circle diameter of the secondary gear 1652, and the second transmission gear 166 includes a tertiary gear 1661 and a quaternary gear 1662, the pitch circle diameter of the tertiary gear 1661 is larger than the pitch circle diameter of the quaternary gear 1662, and the primary gear 1651 is meshed with the second driving gear 164, the secondary gear 1652 is meshed with the tertiary gear 1661, and the quaternary gear 1662 is meshed with each other. The stage gear 1662 is meshed with the third drive gear 167, and the second transmission gear group in this embodiment includes a third transmission gear 168 and a fourth transmission gear 169, and the third transmission gear 168 and the fourth transmission gear 169 are respectively rotatably supported on one end wall of the powder supply bin 13, and the third transmission gear 168 includes a five-stage gear 1681 and a six-stage gear 1682, and the pitch circle diameter of the five-stage gear 1681 is larger than the pitch circle diameter of the six-stage gear 1682, and the five-stage gear 1681 is meshed with the third drive gear 167, the six-stage gear 1682 is meshed with the fourth transmission gear 169, and the fourth transmission gear 169 is meshed with the fourth drive gear 1610, thereby ensuring that the transmission of the rotational driving force is stable and reliable.
[0038] In order to ensure that the charging roller 18 and the photosensitive drum 16 of the dual powder bin processing box 10 always maintain contact when working, the dual powder bin processing box 10 of this embodiment also includes a charging roller 18 and two supporting components. The two supporting components are respectively located at the two ends of the charging roller 18 in the axial direction of the charging roller 18. Each supporting component includes a spring 115 and a supporting ring 114. The supporting ring 114 is provided with a supporting hole 1141. One end of the charging roller 18 is rotatably located in the supporting hole 1141. Support frames 121 are respectively provided at both ends of the waste powder bin 12. The two ends of a spring 115 are respectively pressed between a supporting frame 121 and a supporting ring 114 to force the supporting ring 114 to move toward the photosensitive drum 16 in a direction perpendicular to the axial direction of the photosensitive drum 16, so that the charging roller 18 can always maintain contact with the photosensitive drum 16, thereby improving working stability and reliability. Specifically, each support frame 121 is provided with a limiting groove 1211, and two stoppers 1212 are respectively protruding at the opening of the limiting groove 1211. Each support ring 114 is respectively provided with a sliding groove 1142 on two opposite side surfaces. The two sliding grooves 1142 can be slidably engaged on the opposite side walls of the limiting groove 1211, and the stoppers 1212 can be pressed against the end surface of the support ring 114 away from the support frame 121, thereby improving the stability and reliability of the active cooperation of the support ring 114 relative to the support frame 121.
[0039] In addition, the dual powder bin processing box 10 of the present embodiment includes a first plug-in ring 14 and a second plug-in ring 15. The side of the first plug-in ring 14 is protruded with a first isolation rod 141, and the first isolation rod 141 can be detachably passed through the first end wall of the waste powder bin 12 and pressed against the side of the first end of the charging roller 18 away from the support hole 1141 to force the charging roller 18 to separate from the photosensitive drum 16. The side of the second plug-in ring 15 is protruded with a second isolation rod 151, and the second isolation rod 151 can be detachably passed through the second end wall of the waste powder bin 12 and pressed against the side of the second end of the charging roller 18 away from the support hole 1141 to force the charging roller 18 to separate from the photosensitive drum 16. When the dual toner bin processing box 10 of this embodiment is transported and stored, the first isolation rod 141 of the first plug-in ring 14 passes through the first end wall of the waste toner bin 12 and presses on the side of the first end of the charging roller 18 away from the support hole 1141, so as to force the charging roller 18 to separate from the photosensitive drum 16, and the second isolation rod 151 of the second plug-in ring 15 passes through the second end wall of the waste toner bin 12 and presses on the side of the second end of the charging roller 18 away from the support hole 1141, so as to force the charging roller 18 to separate from the photosensitive drum 16. 6, so that the charging roller 18 is separated from the photosensitive drum 16 during transportation and storage of the double powder bin processing box 10, to avoid the contact between the photosensitive drum 16 and the charging roller 18 before the double powder bin processing box 10 is used, resulting in contamination of the photosensitive drum 16. When the double powder bin processing box 10 is used in this embodiment, the first plug-in ring 14 and the second plug-in ring 15 are pulled out, so that the charging roller 18 of the double powder bin processing box 10 moves toward the photosensitive drum 16 under the action of the supporting assembly and contacts the photosensitive drum 16, so that it can be used normally.
[0040] In order to prevent the first plug-in ring 14 and the second plug-in ring 15 from falling off before use of the double powder bin processing box 10 of this embodiment, a plurality of plug-in rings 142 are protruding from the circumferential wall of the ring hole of the first plug-in ring 14 of this embodiment, and the plurality of plug-in plates 142 are arranged circumferentially on the ring hole of the first plug-in ring 14, and a first ring sleeve 162 is provided on the outer periphery of the driving force receiving head 163, and the plurality of plug-in plates 142 can be detachably inserted into the ring sleeve hole of the first ring sleeve 162, so that a certain force is required to pull the first plug-in ring 14 out of the processing box 10, and a second ring sleeve 120 is protruding from the end wall of the waste powder bin 12 of this embodiment, and a plurality of bosses 152 are protruding from the inner wall of the ring hole of the second plug-in ring 15, and the plurality of bosses 152 are arranged circumferentially on the ring hole of the second plug-in ring 15 and can be clamped on the outer peripheral surface of the second ring sleeve 120, so that a certain force is required to pull the second plug-in ring 15 out of the processing box 10.
[0041] In addition, the dual powder bin processing box 10 of the present embodiment also includes a shielding cover 11, which can be detachably covered on the exposed side of the photosensitive drum 16 away from the developing roller 17, and the shielding cover 11 is provided with a first card slot 111 on the first end wall in the axial direction of the photosensitive drum 16, and the first card slot 111 is respectively provided with buckles 112 at both ends in the circumferential direction of the photosensitive drum 16, and the outer periphery of the first ring sleeve 162 is provided with two grooves 1621, the first card slot 111 can be snapped on the outer periphery of the first ring sleeve 162, and a buckle 112 can be detachably hooked in one groove 1621, and the shielding cover 11 is provided with a second card slot 113 on the second end wall in the axial direction of the photosensitive drum 16, and the second card slot 113 can be snapped on the outer periphery of the second ring sleeve 120. Therefore, before using the dual-bin processing box 10 of this embodiment, the shielding cover 11 can be firmly covered on the exposed side of the photosensitive drum 16 away from the developing roller 17 to prevent the photosensitive drum 16 from being contaminated.
[0042] The above embodiments are only preferred examples of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, any equivalent changes or modifications made based on the structure, features and principles of the present invention should be included in the scope of the present invention patent application.
Claims
1. A stirring frame, characterized in that: It includes a rotating shaft, a first flexible sheet and a second flexible sheet; The first flexible sheet extends in the axial direction of the rotating shaft in the form of a long strip, and a first mounting end of the first flexible sheet is arranged on the rotating shaft, and a first stirring end of the first flexible sheet protrudes outwardly from the rotating shaft in the radial direction of the rotating shaft; The second flexible sheet is located on a side of the first flexible sheet away from the rotating shaft, and the second mounting end of the second flexible sheet is arranged on the rotating shaft, and the second stirring end of the second flexible sheet includes a plurality of stirring structures; The plurality of stirring structures are arranged side by side in the axial direction of the rotating shaft and protrude outward from the first stirring end in the radial direction of the rotating shaft. The width of each stirring structure in the axial direction of the rotating shaft gradually decreases from the root connected to the second mounting end toward the stirring portion away from the second mounting end.
2. The stirring frame according to claim 1, characterized in that: A plurality of powder planing structures are protrudingly provided on a side plate of the rotating shaft away from the first flexible sheet. The plurality of powder planing structures are arranged side by side in the axial direction of the rotating shaft. A powder planing hole is provided on a side of each of the powder planing structures close to the stirring part.
3. The stirring frame according to claim 1, characterized in that: A plurality of stirring ribs are protrudingly provided on a side plate of the rotating shaft away from the first flexible sheet, and the plurality of stirring ribs are arranged side by side in the axial direction of the rotating shaft.
4. The stirring frame according to any one of claims 1 to 3, characterized in that: The rotating shaft is protruded with a plurality of hot-melt positioning columns, and the plurality of hot-melt positioning columns are arranged side by side in the axial direction of the rotating shaft; The first mounting end is penetrated with a plurality of first mounting holes, the second mounting end is penetrated with a plurality of second mounting holes, and one of the hot melt positioning columns passes through one of the first mounting holes and one of the second mounting holes.
5. Double powder bin processing box, characterized in that: include: A powder supply bin, the powder supply bin comprising a first powder bin and a second powder bin that are connected to each other, the first powder bin and the second powder bin both contain carbon powder, and the second powder bin is provided with a powder outlet; A developing roller, the developing roller is supported between the two end walls of the second powder bin and is located at the powder outlet so as to be rotatable around its own axis; a first stirring frame, wherein the first stirring frame is the stirring frame according to any one of claims 1 to 4, wherein the rotating shaft of the first stirring frame is rotatably supported around its own axis between the two end walls of the first powder bin and is located inside the first powder bin, and the stirring portion of the first stirring frame is bent and pressed against the inner peripheral wall of the first powder bin; and / or, The second stirring frame is the stirring frame described in any one of claims 1 to 4 above, the rotating shaft of the second stirring frame is rotatably supported around its own axis between the two end walls of the second powder bin and is located inside the second powder bin, and the stirring part of the second stirring frame is bent and pressed against the inner wall of the second powder bin.
6. The dual powder bin processing box according to claim 5, characterized in that: The double toner bin processing box comprises a waste toner bin, a photosensitive drum, a driving force receiving head and a rotational force transmission assembly, wherein the photosensitive drum is rotatably supported around its own axis between the two end walls of the waste toner bin, and the two end walls of the waste toner bin are respectively connected to the two end walls of the powder supply bin; The driving force receiving head is arranged on one axial end of the photosensitive drum and is used to receive the rotational driving force of the imaging device, the rotational force transmission assembly comprises a first driving gear, a second driving gear, a first transmission gear set, a third driving gear, a second transmission gear set and a fourth driving gear, the first driving gear is sleeved on the photosensitive drum, the second driving gear is sleeved on the developing roller and meshes with the first driving gear; The third driving gear is sleeved on the rotating shaft of the second stirring frame rotatably supported on the second powder bin, and the third driving gear receives the rotational driving force of the second driving gear through the first transmission gear set; The fourth driving gear is sleeved on the rotating shaft of the first stirring frame rotatably supported on the first powder bin, and the fourth driving gear receives the rotational driving force of the third driving gear through the second transmission gear set.
7. The dual powder bin processing box according to claim 6, characterized in that: The dual-powder bin processing box further includes a charging roller and two supporting assemblies, wherein the two supporting assemblies are respectively located at two ends of the charging roller in the axial direction of the charging roller; Each of the supporting components includes a spring and a supporting ring, the supporting ring is provided with a supporting hole, one end of the charging roller is rotatably located in the supporting hole, and support frames are respectively provided at both ends of the waste toner bin, and the two ends of a spring are respectively pressed between a support frame and a supporting ring to force the supporting ring to move toward the photosensitive drum in an axial direction perpendicular to the photosensitive drum.
8. The dual powder bin processing box according to claim 7, characterized in that: The double toner bin processing box comprises a first plug-in ring and a second plug-in ring, a first isolation rod is protruding from a side of the first plug-in ring, the first isolation rod detachably passes through a first end wall of the waste toner bin and presses against a side of the first end of the charging roller away from the supporting hole to force the charging roller to separate from the photosensitive drum; A second isolation rod is protruded from the side of the second plug-in ring. The second isolation rod can be detachably passed through the second end wall of the waste toner bin and pressed against the side of the second end of the charging roller away from the supporting hole to force the charging roller to separate from the photosensitive drum.
9. The dual powder bin processing box according to claim 8, characterized in that: A plurality of plug-in plates are protruding from the peripheral wall of the ring hole of the first plug-in ring, and the plurality of plug-in plates are arranged in the peripheral direction of the ring hole of the first plug-in ring. A first ring sleeve is provided on the outer periphery of the driving force receiving head, and the plurality of plug-in plates can be detachably inserted into the ring sleeve hole of the first ring sleeve; And / or, a second ring sleeve is protruding outwardly from the end wall of the waste powder bin, and a plurality of bosses are protruding outwardly from the inner wall of the ring hole of the second plug-in ring, and the plurality of bosses are arranged circumferentially in the ring hole of the second plug-in ring and can be clamped on the outer circumferential surface of the second ring sleeve.
10. The dual powder bin processing box according to claim 9, characterized in that: The dual-bin processing box further comprises a shielding cover, which is detachably mounted on the exposed side of the photosensitive drum away from the developing roller; The shielding cover is provided with a first slot on the first end wall in the axial direction of the photosensitive drum, and buckles are respectively provided at both ends of the first slot in the circumferential direction of the photosensitive drum. The outer circumference of the first ring sleeve is provided with two grooves, and the first slot can be engaged with the outer circumference of the first ring sleeve, and one buckle can be detachably hooked in one of the grooves. The shielding cover is provided with a second clamping groove on the second end wall in the axial direction of the photosensitive drum, and the second clamping groove can be clamped on the outer periphery of the second ring sleeve.