A developing box

Abstract

A developing box provided by the present invention comprises a developing component and a powder storage component, wherein the developing component and the powder storage component are detachably connected; the developing component comprises a first powder bin and a waste powder bin, the first powder bin is used to supply carbon powder, the waste powder bin has a waste powder output port, and the waste powder bin is used to receive waste carbon powder; the powder storage component comprises a shell and a movable plate component, a second powder bin and a connecting port are provided in the shell, the connecting port is connected to the second powder bin and the waste powder output port, so that the waste carbon powder enters the second powder bin through the connecting port; the movable plate component is arranged at the connecting port, and the movable plate component can open or close the connecting port, the waste carbon powder in the waste powder bin can enter the second powder bin from the connecting port through the waste powder output port, the waste carbon powder in the waste powder bin can be recycled, and the waste carbon powder in the waste powder bin can be recycled, thus avoiding waste of resources.

Description

Technical Field

[0001] The invention relates to the technical field of electronic imaging, and in particular to a developing box. Background Art

[0002] As a detachable and replaceable office consumable, developer cartridges are widely used in imaging developing devices such as printers or copiers. Developers such as toner are generally stored in the developer cartridges. The developer in the developer cartridges is transferred to paper through cooperation with the developing device, thereby realizing the printing function of the developing device.

[0003] In the prior art, a developing box generally includes a powder bin, a waste powder bin and a developing unit. The powder bin and the waste powder bin are arranged on different sides of the developing unit. The powder bin is used to store developers such as toner, and the developer is supplied to the developing unit through a supply mechanism in the powder bin. The developing unit uses the developer to form an image, and the waste powder after the development image is stored in the waste powder bin and is no longer used.

[0004] However, the waste powder in the waste powder bin of the developer cartridge cannot be recycled, resulting in a waste of resources, and abandonment thereof will cause environmental pollution, which is not conducive to environmental protection. Summary of the invention

[0005] The invention provides a developing box, which can recycle waste powder in a waste powder bin and avoid waste of resources.

[0006] The developing box provided by the present invention comprises: a developing component and a powder storage component, and the developing component and the powder storage component are detachably connected.

[0007] Among them, the developing component includes a first powder bin and a waste powder bin, the first powder bin is used to supply toner, the waste powder bin has a waste powder output port, and the waste powder bin is used to receive waste toner; the powder storage component includes a shell and a movable plate component, a second powder bin and a connecting port are opened in the shell, the connecting port is connected to the second powder bin and the waste powder output port, so that the waste toner enters the second powder bin through the connecting port; the movable plate component is arranged at the connecting port, and the movable plate component can open or close the connecting port to change the connection state between the waste powder bin and the second powder bin.

[0008] As an optional method, the developing box provided by the present invention, the movable plate assembly includes a movable plate and a rotating shaft, the rotating shaft is connected to the shell, the movable plate is connected to the rotating shaft, the rotating shaft can drive the movable plate to rotate to open the connecting port, or a cover is provided on the connecting port to close the connecting port.

[0009] As an optional manner, in the developing box provided by the present invention, the shape of the movable plate matches the shape of the connecting port.

[0010] As an optional manner, the developer box provided by the present invention has a blocking portion at the front end of the shell, and the blocking portion is located on the side of the movable plate facing the waste powder bin to limit the movable plate from rotating toward the waste powder bin.

[0011] As an optional method, the developing box provided by the present invention, the movable plate assembly also includes an elastic adjusting member, which is connected to the rotating shaft and is used to provide elastic force so that the movable plate can rotate to a position where the cover is arranged on the connecting port under the elastic force of the elastic adjusting member.

[0012] As an optional manner, in the developing box provided by the present invention, the elastic adjusting member is a torsion spring, which is sleeved on the outside of the rotating shaft, and one end of the torsion spring is connected to the movable plate, and the other end of the torsion spring is relatively fixed to the shell.

[0013] As an optional manner, the present invention provides a developing box, wherein the first powder bin has at least one toner input port, the second powder bin has at least one toner output port, and the toner output port is correspondingly arranged with the toner input port to connect the second powder bin and the first powder bin.

[0014] As an optional manner, in the developing box provided by the present invention, the communication port is located above the toner output port.

[0015] As an optional manner, in the developer box provided by the present invention, a powder feeding mechanism is provided in the second powder bin, and the powder feeding mechanism is used to feed the toner in the second powder bin to the toner output port.

[0016] As an optional manner, in the developer box provided by the present invention, a waste toner export mechanism is provided in the waste toner bin, and the waste toner export mechanism is used to deliver the waste toner to the waste toner output port.

[0017] The present invention provides a developing box, comprising a developing component and a powder storage component, wherein the developing component is detachably connected to the powder storage component. A waste powder outlet is provided on the waste powder bin of the developing component, a connecting port is provided on the second powder bin of the powder storage component, and the second powder bin is connected to the waste powder bin by docking the waste powder outlet with the connecting port, so that the waste toner in the waste powder bin can enter the second powder bin through the waste powder outlet from the connecting port, and at the same time, the setting of the movable plate component blocks the toner in the second powder bin, so that the toner in the second powder bin will not enter the waste powder bin through the connecting port, thereby completing the recycling of the waste toner. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1 It is a structural schematic diagram of a developing box provided according to an embodiment of the present application;

[0020] Figure 2 is a cross-sectional view of a developing box provided according to an embodiment of the present application;

[0021] Figure 3 It is a structural schematic diagram of a developing assembly in a developing box provided according to an embodiment of the present application;

[0022] Figure 4 It is a structural schematic diagram of a powder storage assembly in a developer box provided according to an embodiment of the present application;

[0023] Figure 5 for Figure 2 A partial enlarged view of the middle A;

[0024] Figure 6 for Figure 4 A partial enlarged view of point B in the middle.

[0025] Description of reference numerals:

[0026] 1-developer box;

[0027] 10-developing assembly;

[0028] 11- first powder bin;

[0029] 111-toner input port;

[0030] 12-waste toner bin;

[0031] 121-waste powder outlet;

[0032] 122-waste powder export mechanism;

[0033] 20-powder storage component;

[0034] 21-housing;

[0035] 211- blocking part;

[0036] 22- movable plate assembly;

[0037] 221- movable plate;

[0038] 222-rotation axis;

[0039] 223- elastic adjustment member;

[0040] 2231-torsion spring;

[0041] 23- second powder bin;

[0042] 231-toner output port;

[0043] 232- powder feeding mechanism;

[0044] 24-Connection port. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments.

[0046] First, those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention. Those skilled in the art can make adjustments to them as needed to adapt to specific application scenarios.

[0047] Secondly, it should be noted that in the description of the present invention, terms such as "inside" and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings. This is only for the convenience of description and does not indicate or imply that the device or component must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0048] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0049] In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second", and "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0050] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0051] As a detachable and replaceable office consumable, the developer box is widely used in imaging and developing equipment such as printers or copiers. The developer box generally stores developer such as toner. By cooperating with the developing device, the developer in the developer box is transferred to the paper, thereby realizing the printing function of the developing device. In the prior art, the developer box generally includes a powder bin, a waste powder bin and a developing unit. The powder bin and the waste powder bin are arranged on different sides of the developing unit. The powder bin is used to store developer such as toner. The developer is supplied to the developing unit through the supply mechanism in the powder bin. The developing unit uses the developer to form an image, and the waste powder after the image is formed is stored in the waste powder bin and is no longer used. At present, the waste powder in the waste powder bin of the developer box cannot be recycled. Direct disposal will cause a waste of resources and also pollute the environment, which is not conducive to environmental protection.

[0052] In order to solve the above problem, an embodiment of the present invention provides a developing box, which can recycle the waste toner in the waste toner bin and avoid the waste of resources.

[0053] Figure 1 It is a structural schematic diagram of a developing box provided according to an embodiment of the present application; Figure 2 is a cross-sectional view of a developing box provided according to an embodiment of the present application; Figure 3 It is a structural schematic diagram of a developing assembly in a developing box provided according to an embodiment of the present application; Figure 4 It is a structural schematic diagram of a powder storage assembly in a developer box provided according to an embodiment of the present application; Figure 5 for Figure 2 A partial enlarged view of the middle A; Figure 6 for Figure 4 A partial enlarged view of point B in the figure. Figure 1-Figure 6 As shown, this embodiment provides a developing box 1, including: a developing component 10 and a powder storage component 20, and the developing component 10 and the powder storage component 20 are detachably connected.

[0054] Among them, the developing component 10 includes a first powder bin 11 and a waste powder bin 12, the first powder bin 11 is used to supply toner to the developing process, and the waste powder bin 12 has a waste powder output port 121, and the waste powder bin 12 is used to receive the waste toner output after development; the powder storage component 20 includes a shell 21 and a movable plate component 22, and a second powder bin 23 and a connecting port 24 are opened in the shell 21, and the connecting port 24 connects the second powder bin 23 and the waste powder output port 121, so that the waste toner enters the second powder bin 23 through the connecting port 24, so that the waste toner in the waste powder bin 12 enters the second powder bin 23 through the connecting port 24, thereby completing the recycling of the waste toner; in addition, the movable plate component 22 is arranged at the connecting port 24, and the movable plate component 22 can open or close the connecting port 24 to change the connection state between the waste powder bin 12 and the second powder bin 23.

[0055] Specifically, the developing component 10 is detachably connected to the powder storage component 20, wherein the waste powder bin 12 of the developing component 10 is provided with a waste powder output port 121, and the powder storage component 20 is provided with a second powder bin 23 and a connecting port 24. When the developing component 10 is connected to the powder storage component 20, the waste powder output port 121 on the waste powder bin 12 of the developing component 10 is connected with the connecting port 24 on the powder storage component 20, so that the waste toner in the waste powder bin 12 can be passed from the waste powder output port 121 to the second powder bin 23 of the powder storage component 20 through the connecting port 24; in addition, a movable plate component 22 is provided at the position of the connecting port 24, and the movable plate component 22 is used to control the opening and closing of the connecting port 24.

[0056] Specifically, the movable plate assembly 22 is arranged at the connecting port 24 and controls the opening and closing of the connecting port 24. When the movable plate assembly 22 is in a closed state, that is, the connecting port 24 is in a closed state, the waste toner in the waste powder bin 12 is blocked by the movable plate assembly 22 and cannot be discharged from the waste powder output port 121 through the connecting port 24 to the second powder bin 23. When the movable plate assembly 22 is in an open state, the connecting port 24 is also in an open state. At this time, the waste toner in the waste powder bin 12 will not be blocked by the movable plate assembly 22, and the waste toner will be discharged from the waste powder output port 121 and enter the second powder bin 23 through the connecting port 24.

[0057] In addition, the connection portion between the developing assembly 10 and the powder storage assembly 20 needs to be sealed to prevent leakage of carbon powder, such as by providing a sealing rubber ring, etc., which is not limited in this embodiment.

[0058] In this embodiment, the developing assembly 10 and the powder storage assembly 20 are connected. At this time, the waste powder output port 121 on the waste powder bin 12 in the developing assembly 10 is connected to the connecting port 24 on the powder storage assembly 20. A movable plate assembly 22 is also provided inside the connecting port 24. The movable plate assembly 22 shields the connecting port 24 when it is in a stationary state. At this time, the waste toner in the connecting port 24 cannot enter the second powder bin 23 through the connecting port 24; when the developing assembly 10 is working, the toner stored in the first powder bin 11 enters the waste powder bin 12 after the developing process. When the waste toner in the waste powder bin 12 accumulates and abuts against the movable plate assembly 22 in the connecting port 24, the waste toner pushes the movable plate assembly 22. At this time, the connecting port 24 is in an open state, and the waste toner exceeding the storage space of the waste powder bin 12 will be discharged from the waste powder output port 121 and enter the second powder bin 23 through the connecting port 24, thereby completing the recycling of the waste toner.

[0059] In this embodiment, the waste powder bin 12 of the developing component 10 is provided with a waste powder outlet 121, and the powder storage component 20 is provided with a second powder bin 23 and a connecting port 24. When the developing component 10 is connected to the powder storage component 20, the waste powder outlet 121 on the waste powder bin 12 of the developing component 10 is connected to the connecting port 24 on the powder storage component 20, so that the waste powder bin 12 is connected to the second powder bin 23. At this time, the movable plate component 22 in the connecting port 24 is in a closed state. When the developing component 10 is working, the waste toner in the waste powder bin 12 increases over time. When the waste toner in the waste powder bin 12 exceeds When the storage space of the waste powder bin 12 is filled, the waste toner abuts against the movable plate 22 in the connecting port 24, pushes the movable plate assembly 22, and enters the second powder bin 23 through the connecting port 24, completing the recycling of the waste toner; wherein the connecting port 24 and the waste powder output port 121 are arranged to connect the second powder bin 23 with the waste powder bin 12, so that the waste powder in the waste powder bin 12 can pass into the second powder bin 23, completing the recycling of the waste toner, and at the same time the arrangement of the movable plate assembly 22 can ensure that the toner in the second powder bin 23 will not enter the waste powder bin 12 through the connecting port 24, causing waste.

[0060] The present embodiment provides a developing box 1, by arranging a waste powder outlet 121 on the waste powder bin 12 of the developing component 10, and opening a connecting port 24 on the second powder bin 23 of the powder storage component 20, the waste powder outlet 121 is connected with the connecting port 24 so that the second powder bin 23 and the waste powder bin 12 are connected, so that the waste toner in the waste powder bin 12 can enter the second powder bin 23 from the connecting port 24 through the waste powder outlet 121, and at the same time, the setting of the movable plate component 22 blocks the toner in the second powder bin 23, and the toner in the second powder bin 23 will not enter the waste powder bin 12 through the connecting port 24, thereby completing the recycling of the waste toner.

[0061] As an optional method, the developing box 1 provided in an embodiment of the present invention, the movable plate assembly 22 includes a movable plate 221 and a rotating shaft 222, the rotating shaft 222 is connected to the shell 21, the movable plate 221 is connected to the rotating shaft 222, the rotating shaft 222 can drive the movable plate 221 to rotate to open the connecting port 24, or a cover is provided on the connecting port 24 to close the connecting port 24.

[0062] Specifically, the movable plate assembly 22 is composed of a movable plate 221 and a rotating shaft 222, wherein the rotating shaft 222 is connected to the shell 21, and the movable plate 221 is connected to the rotating shaft 222, and the movable plate 221 is driven to rotate by the rotating shaft 222. In the process of the movable plate 221 being driven to rotate by the rotating shaft, the movable plate 221 can cover and close the connecting port 24, or the movable plate 221 can directly close the connecting port 24, and this embodiment does not limit this.

[0063] It should be noted that the movable plate 221 is connected to the rotating shaft 222. The connection method can be to set a sleeve portion on the movable plate 221 to connect with the rotating shaft 222, or the movable plate 221 and the rotating shaft 222 are set as one body, so that the rotating shaft 222 can drive the movable plate 221 to rotate. This embodiment does not limit this.

[0064] Optionally, in order to ensure that the movable plate 221 can completely close the connecting port 24, the shape of the movable plate 221 matches the shape of the connecting port 24. When the movable plate 221 is in a shielding state of the connecting port 24, since the shapes of the movable plate 221 and the connecting port 24 match each other, the movable plate 221 can completely shield the connecting port 24, thereby better preventing the toner in the second powder bin 23 from entering the waste powder bin 12 through the connecting port 24.

[0065] Optionally, when the movable plate 221 is arranged on the side of the connecting port 24 facing the powder storage assembly 20, the carbon powder in the second powder bin 23 of the powder storage assembly 20 will also abut against the movable plate 221. In order to prevent the carbon powder in the second powder bin 23 from entering the waste powder bin 12, the front end of the shell 21 has a blocking portion 211, and the blocking portion 211 is located on the side of the movable plate 221 facing the waste powder bin 12 to limit the movable plate 221 from rotating toward the waste powder bin 12.

[0066] Among them, the movable plate 221 can rotate driven by the rotating shaft 222. At the same time, when there is too much carbon powder in the second powder bin 23, it will also abut against the movable plate 221. In order to prevent the carbon powder in the second powder bin 23 from pushing the movable plate 221 toward the waste powder bin 12, a blocking portion 211 is provided at the front end of the shell 21. The blocking portion 211 can limit the rotation of the movable plate 221 toward the waste powder bin 12, thereby preventing the movable plate 221 from rotating toward the waste powder bin 12 under the action of the carbon powder in the second powder bin 23, thereby ensuring that the carbon powder in the second powder bin 23 does not enter the waste powder bin 12.

[0067] It should be noted that the blocking portion 211 is used to block the tendency of the movable plate 221 to rotate toward the waste powder bin 12. The blocking portion 211 can be set to abut against the peripheral side of the movable plate 221, or the blocking portion 211 at least abuts against one side of the peripheral side of the movable plate 221, so as to limit the movable plate 221 from rotating toward the waste powder bin 12. This embodiment does not impose any limitation on this.

[0068] Optionally, the movable plate assembly 22 further includes an elastic adjusting member 223 connected to the rotating shaft 222 , and the elastic adjusting member 223 is used to provide elastic force so that the movable plate 221 rotates to a position covering the connecting port 24 under the elastic force of the elastic adjusting member 223 .

[0069] The setting of the elastic adjusting member 223 can ensure that the movable plate 221 is always under the action of elastic force, and the elastic force of the elastic adjusting member 223 pushes the movable plate 221 in the direction of the movable plate 221 toward the blocking portion 211, so that the movable plate 221 abuts against the blocking portion 211 and provides a certain elastic force.

[0070] Optionally, the elastic adjusting member 223 is a torsion spring 2231 , which is sleeved on the outside of the rotating shaft 222 , and one end of the torsion spring 2231 is connected to the movable plate 221 , and the other end of the torsion spring 2231 is relatively fixed to the housing 21 .

[0071] One end of the torsion spring 2231 is connected to the movable plate 221, and the other end of the torsion spring 2231 is relatively fixed to the housing 21. Under the action of the torsion spring 2231, the torsion spring 2231 provides elastic force for the movable plate 221 in the direction of the blocking portion 211. Under normal conditions, the torsion spring 2231 provides elastic force for the movable plate 221 to fix it. When the movable plate 221 rotates, one end of the torsion spring 2231 is connected to the movable plate 221, and the torsion spring 2231 is deformed under the pressure of the movable plate 221, thereby opening the movable plate 221. The specific structure and working method of the torsion spring 2231 are prior art and will not be described in detail here.

[0072] Optionally, the first powder bin 11 has at least one toner input port 111 , and the second powder bin 23 has at least one toner output port 231 , and the toner output port 231 is arranged corresponding to the toner input port 111 to connect the second powder bin 23 and the first powder bin 11 .

[0073] It should be noted that if there is only one toner input port 111 and one toner output port 231, they are respectively arranged in the middle position of the developing component 10 and the powder storage component 20; if there are multiple toner input ports 111 and multiple toner output ports 231, they are respectively arranged symmetrically on the developing component 10 and the powder storage component 20.

[0074] Optionally, the shapes and sizes of the toner output port 231 and the toner input port 111 are adapted to each other so that they can be docked. The toner output port 231 is opened at the bottom of the shell body 21, and the edge of the toner output port 231 has a raised structure, and the outer wall size of the raised structure is adapted to the size of the toner input port 111. When the toner output port 231 is connected to the toner input port 111, the raised structure on the toner output port 231 is inserted into the toner input port 111, and the insertion direction is from top to bottom. At the same time, a sealing rubber ring can be set at the interface. In this way, when the toner in the second powder bin 22 is replenished to the first powder bin 12, leakage of toner can be avoided.

[0075] Optionally, the connecting port 24 is located above the toner output port 231. When the developing component 10 is working, the toner stored in the second powder bin 23 of the powder storage component 20 is transported to the first powder bin 11. After the developing component 10 works, the waste toner is discharged upward into the waste powder bin 12. The waste toner in the waste powder bin 12 enters the second powder bin 23 again through the connecting port 24 and is accumulated in the internal space of the second powder bin 23 under the action of gravity for recycling.

[0076] Optionally, a powder feeding mechanism 232 is provided in the second powder bin 23, and the powder feeding mechanism 232 is used to feed the carbon powder in the second powder bin 23 to the carbon powder outlet 231, thereby transporting the carbon powder in the second powder bin 23 to the first powder bin 11 through the carbon powder outlet 231, thereby replenishing the carbon powder in the first powder bin 11.

[0077] Optionally, a waste powder export mechanism 122 is provided in the waste powder bin 12, and the waste powder export mechanism 122 is used to send the waste toner to the waste powder output port 121, thereby transferring the waste toner in the waste powder bin 12 to the second powder bin 23. The waste powder export structure 122 can use a rotating shaft to drive the blades to rotate, thereby driving the waste toner into the second powder bin 23. This embodiment does not impose any restrictions on this.

[0078] In this embodiment, toner is stored in the second powder bin 23 of the powder storage component 20. The toner in the second powder bin 23 is transported to the toner output port 231 by the action of the powder feeding mechanism 232, and enters the first powder bin 11 through the toner input port 111 on the first powder bin 11 of the developing component 10 that is connected to the toner output port 231, so as to provide toner for the work of the developing component 10. The waste powder after development enters the waste powder bin 12. The waste toner in the waste powder bin 12 is transported to the waste powder output port 121 by the action of the waste powder export mechanism 122. The waste toner accumulates and abuts against the movable plate 221 at the connecting port 24. When the waste toner increases, the waste toner opens the movable plate 221. At this time, the waste toner enters the second powder bin 23 from the connecting port 24, thereby completing the recycling of the waste toner.

[0079] An embodiment of the present invention provides a developing box 1, which includes a developing assembly 10 and a powder storage assembly 20. The developing assembly 10 and the powder storage assembly 20 are detachably connected. The developing assembly 10 includes a first powder bin 11 and a waste powder bin 12. The first powder bin 11 is used to supply toner to the developing process. The waste powder bin 12 has a waste powder outlet 121. The waste powder bin 12 is used to receive waste toner output after the developing process. The powder storage assembly 20 includes a shell 21 and a movable plate assembly 22. A second powder bin 23 and a connecting port 24 are provided in the shell 21. The second powder bin 23 is connected to the first powder bin 11 through the toner outlet 231 and the toner input port 111. The waste powder bin 23 is connected to the second powder bin 23, so that the first powder bin 11 is replenished with toner through the second powder bin 23. At the same time, the waste toner output from the waste powder bin 12 is received through the second powder bin 23. The process of replenishing toner is realized by the powder feeding mechanism 232, and the conveying of waste toner is realized by the waste powder outlet mechanism 122. In addition, the movable plate assembly 22 is arranged at the connecting port 24, and the movable plate assembly 22 can open or close the connecting port 24 to change the connection state between the waste powder bin 12 and the second powder bin 23. Therefore, the waste toner in the waste toner bin 12 can be recycled, thus avoiding waste of resources.

[0080] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A developing box, characterized in that: include: A developing assembly and a powder storage assembly, wherein the developing assembly and the powder storage assembly are detachably connected; The developing assembly comprises a first toner bin and a waste toner bin, wherein the first toner bin is used to supply toner, the waste toner bin has a waste toner outlet, and the waste toner bin is used to receive waste toner; The powder storage assembly includes a shell and a movable plate assembly, a second powder bin and a communication port are provided in the shell, the communication port is connected to the second powder bin and the waste powder outlet, so that the waste toner enters the second powder bin through the communication port; the movable plate assembly is arranged at the communication port, and the movable plate assembly can open or close the communication port to change the communication state between the waste powder bin and the second powder bin; The first powder silo has at least one toner input port, and the second powder silo has at least one toner output port. The toner output port is arranged corresponding to the toner input port to connect the second powder silo and the first powder silo, so as to replenish toner to the first powder silo through the second powder silo, and at the same time, the waste toner output by the waste powder silo is received through the second powder silo.

2. The developing cartridge according to claim 1, characterized in that: The movable plate assembly includes a movable plate and a rotating shaft, the rotating shaft is connected to the shell, the movable plate is connected to the rotating shaft, and the rotating shaft can drive the movable plate to rotate to open the communication port, or cover the communication port to close the communication port.

3. The developing cartridge according to claim 2, characterized in that: The shape of the movable plate matches the shape of the communication port.

4. The developing cartridge according to claim 2, wherein: The front end of the shell body has a blocking portion, and the blocking portion is located on a side of the movable plate facing the waste toner bin to limit the movable plate from rotating toward the waste toner bin.

5. The developing cartridge according to claim 2, characterized in that: The movable plate assembly further comprises an elastic adjusting member connected to the rotating shaft and used for providing elastic force so that the movable plate can rotate to a position covering the communicating port under the elastic force of the elastic adjusting member.

6. The developing cartridge according to claim 5, characterized in that: The elastic adjustment member is a torsion spring, which is sleeved on the outside of the rotating shaft, and one end of the torsion spring is connected to the movable plate, and the other end of the torsion spring is relatively fixed to the housing.

7. The developing cartridge according to any one of claims 1 to 6, characterized in that: The communication port is located above the toner output port.

8. The developing cartridge according to any one of claims 1 to 6, characterized in that: A powder feeding mechanism is arranged in the second powder bin, and the powder feeding mechanism is used to feed the carbon powder in the second powder bin to the carbon powder output port.

9. The developing cartridge according to any one of claims 1 to 6, characterized in that: A waste toner export mechanism is arranged in the waste toner bin, and the waste toner export mechanism is used to send the waste toner to the waste toner output port.

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