Toner cartridge convenient for cleaning waste powder

Abstract

The utility model relates to the technical field of selenium drums, in particular to a selenium drum convenient for cleaning waste powder. Comprising a cover frame fixedly connected in a waste powder bin; the air extractor is fixedly connected in the shell and is communicated with the cover frame; the treatment box is arranged in the shell; the connecting pipe is connected with the treatment box and the air extractor; the connecting plate is fixedly arranged in the treatment box, and the connecting pipe is fixed on the connecting plate; the pressing plate is movably arranged in the treatment box; the reset spring is fixedly connected between the connecting plate and the pressing plate; the telescopic pipe is fixedly connected between the connecting plate and the pressing plate, is communicated with the connecting pipe and extends into the space below the pressing plate in the treatment box, and the telescopic pipe is made of a flexible folding material. According to the utility model, waste powder is collected in a unified manner and is compressed into blocks, so that the waste powder is effectively prevented from raising dust, and the convenience and the safety of cleaning the waste powder are improved; and through the convenient dismounting function of the treatment frame, the waste powder compressed into blocks can be conveniently cleaned in a unified mode, and operation is easy and rapid.

Description

TECHNICAL FIELD

[0001] The utility model relates to a selenium drum technical field especially, it relates to a selenium drum convenient to clean waste powder. BACKGROUND

[0002] Selenium drum is the core component in laser printing equipment, mainly by photosensitive drum, magnetic roller, charging roller, scraper and waste powder bin etc. constitute, its principle is through photoconductive material forms electrostatic latent image after exposure, and adsorbs toner to develop, finally toner is transferred to paper to realize printing.

[0003] In the printing process, there is part of toner that has not been transferred to paper, these toner is scraped from the photosensitive drum surface by the scraper and collected in the waste powder bin. With the increase of printing volume, waste powder accumulates, if not cleaned in time, it may cause the waste powder bin to be full or even overflow, thereby polluting the internal structure of the selenium drum and affecting the imaging quality. Therefore, regular cleaning of waste powder is a necessary measure to maintain the printing equipment and ensure the printing effect.

[0004] However, the particle size of toner waste powder is usually very small, with an average of 5-15 microns, and the texture is light, which is easy to produce dust during cleaning due to improper operation. The waste powder is easy to diffuse into the air with air flow, not only affecting the thoroughness of cleaning, but also polluting the surrounding environment, increasing the difficulty and time cost of cleaning, and users need to be extra careful in operation, which greatly reduces the convenience and user experience of cleaning. UTILITY MODEL CONTENTS

[0005] The utility model provides a selenium drum convenient to clean waste powder in view of the above prior art defects, aiming at improving the cleaning convenience and safety of toner waste powder.

[0006] The technical scheme is: a selenium drum convenient to clean waste powder, comprising: a shell, a selenium drum assembly, a scraper and a waste powder bin;The selenium drum further comprises: a cover frame fixedly connected in the waste powder bin, the frame opening faces the scraper;A gas extractor fixedly connected in the shell is in communication with the cover frame;A treatment box is provided in the shell to provide a treatment space for waste powder;A connecting pipe connects the treatment box and the gas extractor for conveying waste powder to the treatment box;A connecting plate is fixedly provided in the treatment box, and the connecting pipe is fixed to the connecting plate;A pressing plate is movably provided in the treatment box;A return spring is fixedly connected between the connecting plate and the pressing plate;A telescopic pipe is fixedly connected between the connecting plate and the pressing plate, in communication with the connecting pipe and extending into the space below the pressing plate in the treatment box, the telescopic pipe is made of flexible folding material and can stretch and contract synchronously with the displacement between the connecting plate and the pressing plate;And a one-way valve is fixedly connected to the waste powder bin and the pressing plate to realize one-way airflow;Air holes are provided on the shell and the treatment box for ventilation.

[0007] Further, the toner cartridge further comprises: a mounting frame fixedly connected in the shell, with an open downward and extending to the outside of the shell, and with air holes for exhaust arranged on the frame; a processing box inserted into the mounting frame with an open upward; and a fixing screw, the processing box and the mounting frame are both provided with connecting ears, the fixing screw is screwed with one connecting ear and then screwed with the other connecting ear, so as to fix the processing box in the mounting frame; a connecting plate, a pressing plate and components therebetween are in a storage relationship with the processing box, when the processing box is fixed in the mounting frame, the connecting plate is in contact with the inner wall of the top of the mounting frame, the pressing plate is opposite to the inner wall of the bottom of the processing box, and the reset spring is in a pre-compressed state, so that the connecting plate remains fixed in position and the pressing plate is in a movable state when the subsequent waste powder enters below the pressing plate; a connecting port fixedly connected to the connecting plate, fixedly connected with the telescopic pipe and connected with the connecting pipe to form a plug-in type cooperation.

[0008] Further, the toner cartridge further comprises: a water tank fixedly connected above the pressing plate; a sponge fixedly connected below the pressing plate; and a valve pipe fixedly connected between the water tank and the sponge for controlling water supply from the water tank to the sponge.

[0009] Further, the toner cartridge further comprises: a magnetic frame fixedly connected to the top of the processing box and magnetically attracted to the mounting frame.

[0010] Further, the toner cartridge further comprises: a sealing ring fixedly connected in the connecting port and made of elastic material.

[0011] Further, the toner cartridge further comprises: a pull rope fixedly connected to the bottom of the processing box for assisting the processing box to be taken out of the mounting frame.

[0012] The beneficial effects of the present application are as follows: the waste powder is collected uniformly, and the waste powder is compressed into blocks without sub-pressure, so that dust generation of the waste powder is effectively prevented, and the convenience and safety of waste powder cleaning are improved; and the compressed waste powder blocks are conveniently cleaned through the convenient dismounting function of the processing frame, and the operation is simple and fast. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0014] Figure 2 It is an internal structure sectional view of the present application after partial section.

[0015] Figure 3 It is an internal structure sectional view of the mounting frame in the present application after partial section.

[0016] Figure 4 It is a connection relationship sectional view of the connecting pipe, the connecting plate, the connecting port and the telescopic pipe of the present application.

[0017] Figure 5This is a cross-sectional view of the connection structure of the pressure plate, water tank, sponge and valve pipe of this utility model.

[0018] Reference numerals: 1_Outer shell, 2_Toner cartridge assembly, 3_Scraper, 4_Cover frame, 5_Ejector, 6_Connecting pipe, 7_Mounting frame, 8_Processing box, 801_Fixing screw, 9_Connecting plate, 10_Pressure plate, 1001_One-way valve, 1002_Air hole, 11_Reset spring, 12_Matching interface, 13_Telescopic tube, 14_Water tank, 15_Sponge, 16_Valve pipe, 17_Magnetic frame, 18_Sealing ring, 19_Waste powder bin, 20_Pull rope. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0020] Example: A toner cartridge that facilitates cleaning of waste toner, combined with... Figures 1-4 As shown, the device includes: a housing 1; a toner cartridge assembly 2, assembled inside the housing 1, which is the core component for printing; a scraper 3, fixedly installed inside the housing 1, used to clean residual waste toner on the surface of the photosensitive drum in the toner cartridge assembly 2, ensuring the photosensitive drum can work normally afterwards; a waste toner container 19, fixedly installed inside the housing 1, used to collect the waste toner scraped off by the scraper 3; the toner cartridge also includes: a cover frame 4, fixedly installed inside the waste toner container 19, with its opening facing the scraper 3; an air extractor 5, fixedly installed inside the housing 1, connected to the cover frame 4, to fully absorb the waste toner in the waste toner container 19 through the cover frame 4; a processing box 8, located inside the housing 1, providing space for waste toner processing; and a connecting pipe 6, connecting the processing box 8 and the air extractor 5, used to remove waste toner. The air is conveyed to the processing box 8; a connecting plate 9 is fixedly installed inside the processing box 8, and a connecting pipe 6 is fixed on it; a pressure plate 10 is movable inside the processing box 8; a return spring 11 is fixedly installed between the connecting plate 9 and the pressure plate 10; a telescopic pipe 13 is fixedly installed between the connecting plate 9 and the pressure plate 10, communicates with the connecting pipe 6 and extends into the space below the pressure plate 10 inside the processing box 8, and the telescopic pipe 13 is made of flexible folding material, such as TPU elastic material, which can expand and contract synchronously with the displacement between the connecting plate 9 and the pressure plate 10; and a one-way valve 1001 is fixedly installed on the waste powder bin 19 and the upper rod of the pressure plate 10 to realize one-way airflow; both the outer shell 1 and the processing box 8 are provided with air holes 1002 for ventilation.

[0021] When the waste powder is collected periodically, the exhaust fan 5 is started, and the waste powder is sequentially sucked into the processing box 8 through the cover frame 4, the connecting pipe 6 and the telescopic pipe 13, and gathered under the pressing plate 10; in this process, the external airflow enters the waste powder bin 19 through the air hole 1002 on the shell 1 and the one-way valve 1001 on the waste powder bin 19, and the gas in the processing box 8 is discharged through the one-way valve 1001 on the pressing plate 10 and the air hole 1002 on the processing box 8 and the shell 1, so as to maintain the pressure balance; as the volume of the waste powder increases with the continuous collection, the pressing plate 10 is pushed to move towards the connecting plate 9, and the return spring 11 is compressed and generates a counterforce on the pressing plate 10 and the waste powder thereunder, so as to compress the waste powder into a block. The present toner cartridge collects the waste powder uniformly and compresses the waste powder into a block without sub-pressure, so as to effectively prevent dust from the waste powder and improve the convenience and safety of the waste powder cleaning.

[0022] In combination Figures 1-3 As shown, the present toner cartridge further comprises: the mounting frame 7 fixedly installed in the shell 1, with the opening downwardly extending to the outside of the shell 1, and the frame body provided with the air hole 1002 for exhaust; the processing box 8 inserted into the mounting frame 7, with the opening upwardly; and the fixing screw 801, the side edges of the processing box 8 and the mounting frame 7 are provided with connecting ears, the fixing screw 801 is threadedly engaged with the other connecting ear after penetrating through one connecting ear, and in the present embodiment, the fixing screw 801 is threadedly engaged with the connecting thread of the mounting frame 7 after penetrating through the connecting ear of the processing box 8, so as to fix the processing box 8 in the mounting frame 7; the connecting plate 9, the pressing plate 10 and the components therebetween are in a storage relationship with the processing box 8, when the processing box 8 is fixed on the mounting frame 7, the connecting plate 9 is in contact with the top inner wall of the mounting frame 7, the pressing plate 10 is opposite to the bottom inner wall of the processing box 8, and the return spring 11 is in a pre-compressed state, so that the connecting plate 9 remains fixed in position and the pressing plate 10 is in a movable state when the subsequent waste powder enters under the pressing plate 10; the connecting interface 12 is fixedly installed on the connecting plate 9, fixedly connected with the telescopic pipe 13 and connected with the connecting pipe 6 to form a plug-in type connection.

[0023] The above structure realizes the convenient dismounting function of the mounting frame 7, when the waste powder in the processing box 8 is compressed, the fixing screw 801 is dismounted, the processing box 8 is taken out from the mounting frame 7, the connecting pipe 6 is separated from the connecting interface 12, and then the connecting plate 9, the pressing plate 10 and the components therebetween are taken out from the processing box 8, so as to conveniently and simply clean the waste powder compressed into a block; after the waste powder is cleaned, the connecting plate 9, the pressing plate 10 and the components therebetween are put back into the processing box 8, the processing box 8 is inserted back into the mounting frame 7, and the fixing screw 801 is locked, so as to realize the convenient dismounting function of the mounting frame 7; in this process, the connecting plate 9 is in contact with the top of the mounting frame 7, the connecting pipe 6 is automatically connected with the connecting interface 12, and the return spring 11 is compressed, so as to keep the connecting plate 9 stable and ensure the system to return to the standby state.

[0024] In combination Figure 3 And Figure 5As shown, the drum also comprises a water tank 14 fixedly installed above the pressing plate 10, a sponge 15 fixedly installed below the pressing plate 10, and a valve pipe 16 fixedly installed between the water tank 14 and the sponge 15 for controlling water supply from the water tank 14 to the sponge 15.

[0025] During the process of sucking and collecting the waste powder into the processing box 8, the valve pipe 16 is synchronously started to supply water to the sponge 15 to make it wet; as the waste powder enters the space below the pressing plate 10, the pressing plate 10 deforms the sponge 15 by extruding it while compressing the waste powder, so that the water in the sponge 15 flows out to uniformly wet the waste powder, which makes the waste powder more easily compressed into blocks to effectively improve the convenience and blocking effect of waste powder processing.

[0026] In combination with the drawings, Figure 1 , Figure 3 and Figure 4 As shown, the drum also comprises a magnetic frame 17 fixedly installed at the top of the processing box 8 and magnetically attracted to the mounting frame 7, for realizing pre-positioning when the processing box 8 is loaded into the mounting frame 7, facilitating subsequent locking with fixing bolts and improving assembly convenience; a sealing ring 18 fixedly installed in the butt joint 12 and made of elastic material, for realizing seamless sealing of the movable joint by extruding and deforming the connecting pipe 6 to effectively prevent waste powder leakage; and a pull rope 20 fixedly installed at the bottom of the processing box 8, for facilitating the operator to exert force to take out the processing box 8 from the mounting frame 7, further improving the convenience of disassembly operation.

[0027] It should be understood that the embodiments are only used to illustrate the present application and not used to limit the scope of the present application. In addition, it should be understood that after reading the content taught by the present application, those skilled in the art can make various changes or modifications to the present application, and these equivalent forms also fall within the scope defined by the appended claims of the present application.

Claims

1. A selenium drum facilitating cleaning of waste toner, comprising: The shell (1), the selenium drum assembly (2), the scraper (3) and the waste powder bin (19) are characterized in that the selenium drum further comprises: a cover frame (4) fixedly connected in the waste powder bin (19), the frame opening of which faces the scraper (3); an air extractor (5) fixedly connected in the shell (1) and connected with the cover frame (4); a processing box (8) provided in the shell (1) to provide a processing space for the waste powder; a connecting pipe (6) connecting the processing box (8) and the air extractor (5) and used for conveying the waste powder to the processing box (8); a connecting plate (9) fixedly provided in the processing box (8) and on which the connecting pipe (6) is fixed; a pressing plate (10) movably provided in the processing box (8); a reset spring (11) fixedly connected between the connecting plate (9) and the pressing plate (10); an extension pipe (13) fixedly connected between the connecting plate (9) and the pressing plate (10), communicated with the connecting pipe (6) and extending into a space below the pressing plate (10) in the processing box (8), the extension pipe (13) being made of a flexible folding material and capable of synchronously extending and retracting with the displacement between the connecting plate (9) and the pressing plate (10); and a one-way valve (1001) fixedly connected on the waste powder bin (19) and the pressing plate (10) to realize one-way air flow; air holes (1002) are provided on the shell (1) and the processing box (8) for ventilation.

2. The selenium drum for facilitating cleaning of waste toner according to claim 1, wherein The selenium drum further comprises: a mounting frame (7) fixedly connected in the shell (1), the open end of which faces downward and extends to the outside of the shell (1), and air holes (1002) are provided on the frame body of the mounting frame (7) for air exhaust; the processing box (8) is inserted into the mounting frame (7) with the open end facing upward; and a fixing screw (801) is provided, the side edges of the processing box (8) and the mounting frame (7) are provided with connecting ears, and the fixing screw (801) is screwed with one of the connecting ears and the other connecting ear after penetrating through the one connecting ear, so as to fix the processing box (8) in the mounting frame (7); the connecting plate (9), the pressing plate (10) and the components therebetween are in a storage relationship with the processing box (8), when the processing box (8) is fixed in the mounting frame (7), the connecting plate (9) is in contact with the top inner wall of the mounting frame (7), the pressing plate (10) is opposite to the bottom inner wall of the processing box (8), and the reset spring (11) is in a pre-compressed state, so that the connecting plate (9) remains fixed in position and the pressing plate (10) is in a movable state when the subsequent waste powder enters below the pressing plate (10); a butt joint (12) is fixedly connected to the connecting plate (9) and fixedly connected with the extension pipe (13) and communicated with the connecting pipe (6) to form a plug-in type cooperation.

3. The selenium drum for facilitating cleaning of waste toner according to claim 1, wherein The selenium drum further comprises: a water tank (14) fixedly connected above the pressing plate (10); a sponge (15) fixedly connected below the pressing plate (10); a valve pipe (16) fixedly connected between the water tank (14) and the sponge (15) and used for controlling the water supply of the water tank (14) to the sponge (15).

4. The selenium drum for facilitating cleaning of waste toner according to claim 2, wherein The selenium drum further comprises: a magnetic frame (17) fixedly connected to the top of the processing box (8) and magnetically attracted to the mounting frame (7).

5. The selenium drum for facilitating cleaning of waste toner according to claim 2, wherein The selenium drum further comprises: a sealing ring (18) fixedly connected in the butt joint (12) and made of an elastic material.

6. The selenium drum for facilitating cleaning of waste toner according to claim 2, wherein The selenium drum further comprises a pull rope (20) fixedly connected to the bottom of the processing box (8) and used for assisting the processing box (8) to be taken out from the mounting frame (7).

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