Toner cartridge structure for laser printer

Abstract

The invention discloses a toner cartridge structure for a laser printer, and belongs to the field of laser printers, the toner cartridge structure comprises a developing mechanism, a waste powder box is arranged at the front end of the developing mechanism, a carbon powder box is arranged at the rear end of the developing mechanism, and a photosensitive drum is rotatably connected to the lower part in the developing mechanism; the stirring blades in the carbon powder box can directly and mechanically stir carbon powder, and formed small cakes are broken; meanwhile, a heating unit is integrated in the middle of the stirring blade, carbon powder can be directly heated in a low-temperature environment, the fluidity of carbon powder particles is improved, the problem of carbon powder agglomeration caused by low temperature is solved from the source, secondary agglomeration of the carbon powder in the conveying process is avoided, uniform supply of the carbon powder in the developing stage is ensured, and the low-temperature printing quality stability is improved; the developing mechanism is connected with the waste powder box and the carbon powder box through the cooperation of the buckle and the clamping block, and the lifting plate and the connecting plate can drive the toothed bar to move only by pulling the operating rod upwards during disassembly and assembly, so that the buckle is driven to be opened and unlocked.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of laser printers, in particular to a selenium drum structure for laser printers. BACKGROUND

[0002] The selenium drum, also known as a photosensitive drum, is generally composed of an aluminum basic substrate and a photosensitive material coated on the substrate. The selenium drum not only determines the quality of printing, but also determines how much money the user needs to spend during use. In a laser printer, more than 70% of the imaging components are concentrated in the selenium drum.

[0003] At present, the existing laser printers on the market have relatively strict requirements on the use environment, especially the environmental temperature. For example, the environmental temperature requirement of Benpu P2500 black and white laser printer is 10℃-32.5℃, so these printers generally cannot be used normally below the freezing point.

[0004] CN110032052B discloses a new preheating selenium drum, which comprises a drum body and a heating module. The heating module comprises an L-shaped bracket, a temperature sensor and a heating chamber. The heating chamber is provided with a paper inlet and a paper outlet on the bottom of both sides, and at least one infrared heating pipe is arranged in the heating chamber. One end of the L-shaped bracket is fixed with the waste powder collecting bin on the left side of the drum body, and the other end is fixed with the top end of the heating chamber. The temperature sensor is fixed with the L-shaped bracket. The temperature sensor and the infrared heating pipe are electrically connected with the central controller and the control circuit of the printer. The present application adopts the structure design of the heating module and the drum body in a split type, which is not only convenient to disassemble and assemble, but also can reduce the maintenance and maintenance cost in the later period. In addition, the present application improves the preheating effect of carbon powder, thereby improving the printing quality of the printer in low temperature environment, and has the advantages of high preheating efficiency, less heat loss and saving electric energy.

[0005] However, the patent only heats the paper or the local area of the developing area, does not directly and uniformly heat the carbon powder in the carbon powder box, still has the problem of secondary caking of the carbon powder in the conveying process, and the low-temperature printing stability still needs to be improved. The heating structure in the patent is arranged outside the existing selenium drum structure, which may affect the overall layout of the printer and occupy more space. Moreover, the split assembly is achieved by screws, and tools are needed for installation and disassembly, and the disassembly efficiency is low.

[0006] Therefore, there is a need for a selenium drum structure for laser printers to solve the above problems. SUMMARY

[0007] In view of the deficiencies of the prior art, the present application provides a selenium drum structure for laser printers, which solves the problems raised in the background art.

[0008] Technical solution: To solve the above technical problems, according to one aspect of the present application, more specifically, a laser printer selenium drum structure, including developing mechanism, the developing mechanism front end is provided with waste powder box, the developing mechanism rear end is provided with carbon powder box, the developing mechanism inside below rotationally connected with photosensitive drum, the developing mechanism inside rear rotationally connected with developing roller, the waste powder box inside rear rotationally connected with scraper one, the waste powder box inside is provided with ash channel, the waste powder box inside upper portion is provided with waste powder cavity, the waste powder cavity with the ash channel inside is communicated, the photosensitive drum right end penetrates to the developing mechanism right side, and is fixed with straight gear one, the developing roller right end penetrates to the developing mechanism right side, and is fixed with straight gear two, the straight gear two with the straight gear one between common meshing connection has transmission gear, the transmission gear with the developing mechanism rotationally connected, the carbon powder box inside rear surface is fixed with a plurality of auger cylinder, the auger cylinder inside rotationally connected with auger rod, the auger rod rear end penetrates to the carbon powder box outer surface, the carbon powder box inside rotationally connected with stirring vane, the stirring vane middle part is provided with heating unit, the stirring vane right end penetrates to the carbon powder box right side, and is fixed with straight gear three, the straight gear three outer surface meshing connection has straight gear four, the straight gear four with the carbon powder box right side rotationally connected, the straight gear four right side center is fixed with bevel gear one, the bevel gear one outer surface meshing connection has bevel gear two, the bevel gear two middle part is fixed with rotating rod, the rotating rod rear end with a plurality of the auger rod outer surface common transmission connection has transmission belt.

[0009] Further, the carbon powder box front end opening is integrally formed with an arc frame, the arc frame inside is slidably connected with a carbon powder plate, the carbon powder box right side is provided with a through slot, the through slot is communicated with the arc frame inside, the through slot inside is slidably connected with a slide buckle, the slide buckle left end is fixedly connected with the carbon powder plate.

[0010] Further, the developing mechanism upper surface is provided with a sink, the waste powder box left and right sides and the carbon powder box left and right sides are fixedly connected with clamping blocks, the developing mechanism left and right sides are rotationally connected with two buckles, two buckles are oppositely arranged, the buckle is clamped with the adjacent clamping block, two buckles are oppositely fixed with driving gears, two driving gears are commonly meshed with toothed rods, two toothed rods are oppositely connected with connecting plates, two connecting plates are oppositely connected with lifting plates, the lifting plate upper surface is fixed with an operating rod, the operating rod top end penetrates to the developing mechanism upper surface, the lifting plate lower surface and the sink inside are fixedly connected with a tension spring.

[0011] Further, the waste powder box top opening is rotationally connected with a waste carbon plate, the waste carbon plate rotation shaft right end is fixed with a connecting rod, the connecting rod outer surface is fixedly connected with a limiting rod;

[0012] The fan is fixed in the waste carbon plate, two fixed rods are fixed on the lower surface of the waste carbon plate, a bottom plate is fixed at the bottom of the two fixed rods, two transmission rollers are rotatably connected between the waste carbon plate and the bottom plate, the transmission rollers penetrate the upper surface of the waste carbon plate and are fixed with straight gear five, a partition plate is fixed on the upper surface of the bottom plate, a carbon filter screen is arranged on the outer surface of the transmission rollers, and a scraper two is fixed on the surface of the carbon filter screen in the waste powder cavity.

[0013] Further, the limiting rod is located above the buckle, and the bottom end is attached to the upper surface of the buckle.

[0014] Further, the partition plate is located in the carbon filter screen, and the outer surface of the partition plate is attached to the inner side wall of the carbon filter screen.

[0015] Further, the shaft of the scraper one penetrates to the right side.

[0016] Further, the working process of the present application is as follows:

[0017] S1, powder preparation: stirring blade heating and stirring carbon powder → auger assembly conveying carbon powder to developing roller;

[0018] S2, developing imaging: forming electrostatic latent image on photosensitive drum → developing roller transferring carbon powder to photosensitive drum;

[0019] S3, cleaning after transfer: scraper one scraping residual waste powder on photosensitive drum → waste powder entering waste powder cavity through ash channel;

[0020] S4, waste powder treatment: fan assisting waste powder filtration → reusable carbon powder, and non-reusable waste powder being cleaned by scraper two;

[0021] S5, maintenance disassembly: pulling the operating rod to unlock the buckle → replacing the waste powder box / carbon powder box, and automatically locking after resetting.

[0022] The beneficial effects of the selenium drum structure for a laser printer are as follows:

[0023] (1) The stirring blade in the carbon powder box can directly mechanically stir the carbon powder to break the small clumps formed; at the same time, the heating unit is integrated in the middle of the stirring blade, which can directly heat the carbon powder in a low temperature environment, improve the flowability of the carbon powder particles, solve the problem of carbon powder agglomeration caused by low temperature from the source, avoid secondary clumping of the carbon powder during the conveying process, ensure uniform carbon powder supply in the developing stage, and improve the low temperature printing quality stability.

[0024] (2) The developing mechanism of the application is connected with the waste powder box and the carbon powder box through "buckle-block" cooperation. When disassembling, only need to pull the operating rod upward, the lifting plate, connecting plate and tooth rod are driven to move, and then the buckle is opened to unlock. After releasing the operating rod, the release spring automatically resets to tighten the buckle and the block. The whole process does not need tools, compared with the traditional screw assembly, the replacement time of the waste powder box and the carbon powder box is greatly shortened, and the maintenance operation threshold is reduced.

[0025] (3) The filter carbon net in the waste powder box rotates circularly under the driving of the transmission roller, and cooperates with the fan to form negative pressure in the waste powder cavity, so that the waste powder scraped off by the scraper I is adsorbed to the surface of the filter carbon net. The scraper II in the waste powder cavity can scrape the unusable waste powder (such as caked waste powder and impurities) remaining on the filter carbon net to the bottom of the waste powder cavity, and the partition plate supports the inner side of the filter carbon net to ensure that the waste powder does not leak during the filtering and cleaning process, avoids the pollution of the waste powder to the developing mechanism or the inside of the printer, and protects the cleanliness of the equipment.

[0026] (4) The rotating shaft of the waste carbon plate at the top of the waste powder box is connected with the limiting rod through the connecting rod. When the waste powder box is engaged with the developing mechanism, the bottom end of the limiting rod is attached to the upper surface of the buckle, which can limit the rotation of the waste carbon plate and avoid the accidental opening of the waste carbon plate during the operation of the printer, which causes the waste powder to overflow. Only when the waste powder box is disassembled, the limiting rod is separated from the buckle, and the waste carbon plate can be opened to clean the waste powder, which ensures the structural stability and equipment cleanliness during use. BRIEF DESCRIPTION OF DRAWINGS

[0027] The application will be further described in detail below in combination with the drawings and specific implementation methods.

[0028] Figure 1 is a structural schematic diagram of the application;

[0029] Figure 2 is a right view plane structural schematic diagram of the application;

[0030] Figure 3 is a right view plane structural schematic diagram of the application;

[0031] Figure 4 is a three-dimensional schematic diagram of the application; Figure 3

[0032] Figure 5 is a structural schematic diagram of the waste powder box in the application;

[0033] Figure 6 is a rear view structural schematic diagram of the waste powder box in the application;

[0034] Figure 7 is a structural schematic diagram of the developing mechanism in the application;

[0035] Figure 8 is a structural schematic diagram of the carbon powder box in the application;​

[0036] Figure 9 Structure diagram of toothed rod and operating rod in the application;

[0037] Figure 10 Structure diagram of waste carbon plate and buckle in the application;

[0038] Figure 11 Structure diagram of waste carbon plate and filter carbon net in the application;

[0039] Figure 12 Structure diagram of filter carbon net and bottom plate in the application;

[0040] Figure 13 Structure diagram of A in the application Figure 1 Structure diagram of A in the application

[0041] In the figure: 1, developing mechanism; 2, waste powder box; 3, carbon powder box; 4, photosensitive drum; 5, developing roller; 6, scraper one; 7, ash channel; 8, waste powder cavity; 9, spur gear one; 10, spur gear two; 11, transmission gear; 12, auger cylinder; 13, auger rod; 14, stirring blade; 15, spur gear three; 16, spur gear four; 17, bevel gear one; 18, bevel gear two; 19, rotating rod; 20, transmission belt; 21, arc frame; 22, carbon powder plate; 23, through groove; 24, sliding buckle; 25, sink groove; 26, clamping block; 27, buckle; 28, driving gear; 29, toothed rod; 30, connecting plate; 31, lifting plate; 32, operating rod; 33, tension spring; 34, waste carbon plate; 35, connecting rod; 36, limiting rod; 37, fan; 38, fixed rod; 39, bottom plate; 40, transmission roller; 41, spur gear five; 42, partition plate; 43, scraper two; 44, filter carbon net. DETAILED DESCRIPTION

[0042] The application will be described in detail below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0043] In order to make the technical scheme of the application clearer, the application will be described in further detail below with reference to the accompanying drawings and specific embodiments.

[0044] Reference Figures 1-13A toner cartridge structure for a laser printer includes a developing mechanism 1. A waste toner cartridge 2 is located at the front end of the developing mechanism 1, and a toner cartridge 3 is located at the rear end. A photosensitive drum 4 is rotatably connected to the lower part of the developing mechanism 1, and a developing roller 5 is rotatably connected to the rear part of the developing mechanism 1. A scraper 6 is rotatably connected to the rear part of the waste toner cartridge 2. A gray channel 7 is formed inside the waste toner cartridge 2, and a waste toner cavity 8 is formed at the upper part of the waste toner cartridge 2, communicating with the gray channel 7. The right end of the photosensitive drum 4 extends through to the right side of the developing mechanism 1 and is fixed with a spur gear 9. The right end of the developing roller 5 extends through to the right side of the developing mechanism 1 and is fixed with a spur gear 10. A transmission gear 11 meshes with the spur gear 10 and the spur gear 9, and the transmission gear 11 is rotatably connected to the developing mechanism 1. A certain component is fixed to the rear surface of the toner cartridge 3. Multiple auger cylinders 12 are rotatably connected to auger rods 13 inside each auger cylinder 12. The rear end of the auger rod 13 extends through to the outer surface of the toner box 3. A stirring blade 14 is rotatably connected inside the toner box 3. A heating unit is located in the middle of the stirring blade 14. The right end of the stirring blade 14 extends through to the right side of the toner box 3 and is fixed with a spur gear 3 15. A spur gear 4 16 is meshed with the outer surface of the spur gear 3 15. The spur gear 4 16 is rotatably connected to the right side of the toner box 3. A bevel gear 17 is fixed at the center of the right side of the spur gear 4 16. A bevel gear 2 18 is meshed with the outer surface of the bevel gear 17. A rotating rod 19 is fixed in the middle of the bevel gear 2 18. The rear end of the rotating rod 19 is connected to the outer surface of the multiple auger rods 13 via a drive belt 20. The stirring blade 14 rotates inside the toner box 3, directly stirring the toner and breaking up any small clumps that have formed.

[0045] The heating unit in the middle of the stirring blade 14 heats the toner in a low-temperature environment, improving the fluidity of the toner particles, avoiding toner agglomeration caused by low temperature, and ensuring that the toner is in a loose state.

[0046] The toner cartridge 3 has an integrally formed arc frame 21 at the front opening. A toner plate 22 is slidably connected inside the arc frame 21. A through groove 23 is opened on the right side of the toner cartridge 3. The through groove 23 is connected to the inside of the arc frame 21. A sliding buckle 24 is slidably connected inside the through groove 23. The left end of the sliding buckle 24 is fixedly connected to the toner plate 22. The toner plate 22 is slidably connected inside the arc frame 21 at the front opening of the toner cartridge 3. The toner plate 22 passes through the through groove 23 and is linked to the outside through the sliding buckle 24.

[0047] The sliding latch 24 can move the toner plate 22 along the arc frame 21, adjust the size of the opening at the front of the toner cartridge 3, and thus control the total amount of toner falling into the developing area to adapt to different printing density requirements.

[0048] The upper surface of the developing mechanism 1 is provided with a sinking groove 25, the left and right sides of the waste powder box 2 and the left and right sides of the carbon powder box 3 are fixed with clamping blocks 26, the left and right sides of the developing mechanism 1 are rotatably connected with two buckles 27, the two buckles 27 are oppositely arranged, the buckle 27 is clamped with the adjacent clamping block 26, the opposite ends of the two buckles 27 are fixed with drive gears 28, the two drive gears 28 are jointly meshed and connected with a toothed rod 29, the opposite ends of the two toothed rods 29 are penetrated into the inside of the sinking groove 25, and are rotatably connected with connecting plates 30, the opposite ends of the two connecting plates 30 are jointly rotatably connected with a lifting plate 31, the upper surface of the lifting plate 31 is fixed with an operating rod 32, the top end of the operating rod 32 is penetrated to the upper surface of the developing mechanism 1, and the lower surface of the lifting plate 31 is jointly fixed with a tension spring 33 in the inside of the sinking groove 25; when the waste powder box 2 / carbon powder box 3 needs to be replaced, the operating rod 32 is pulled upward to drive the lifting plate 31 to move upward and compress the tension spring 33.

[0049] The lifting plate 31 pushes the two side toothed rods 29 to move outward through the connecting plate 30, the drive gear 28 rotates reversely to drive the buckle 27 to open away from the clamping block 26.

[0050] After the buckle 27 is separated from the clamping block 26, the waste powder box 2 or the carbon powder box 3 can be directly taken off to complete the disassembly; the reverse operation is performed during installation, the tension spring 33 is reset after the operating rod is loosened, the buckle 27 is automatically buckled to the clamping block 26 to realize quick locking.

[0051] The waste carbon plate 34 is rotatably connected at the opening at the top of the waste powder box 2, the rotating shaft right end of the waste carbon plate 34 is fixed with a connecting rod 35, and the outer surface of the connecting rod 35 is fixed with a limiting rod 36.

[0052] The fan 37 is fixedly penetrated in the inside of the waste carbon plate 34, the lower surface of the waste carbon plate 34 is fixed with two fixed rods 38, the bottom of the two fixed rods 38 is jointly fixed with a bottom plate 39, the waste carbon plate 34 and the bottom plate 39 are jointly rotatably connected with two transmission rollers 40, the top end of the transmission roller 40 is penetrated to the upper surface of the waste carbon plate 34 and is fixed with a spur gear 41, the rear of the upper surface of the bottom plate 39 is fixed with a partition plate 42, the outer surfaces of the two transmission rollers 40 are jointly provided with a carbon filter net 44, and the inside of the waste powder cavity 8 is fixed with a scraper 2 43 on the surface of the carbon filter net 44.

[0053] Preferably, the limiting rod 36 is located above the buckle 27, and the bottom end is attached to the upper surface of the buckle 27.

[0054] Preferably, the partition plate 42 is located inside the carbon filter net 44, and the outer surface of the partition plate 42 is attached to the inner wall of the carbon filter net 44.

[0055] Preferably, the rotating shaft right end of the scraper 1 6 is penetrated to the right side of 1.

[0056] Preferably, the bottom and the top of the auger cylinder 12 are provided with material openings.

[0057] In summary, the working principle of the present application is: the selenium drum structure is divided into three modules (developing mechanism 1, waste powder box 2, carbon powder box 3 and the internal structure thereof), which is convenient for maintenance and replacement, and reduces the maintenance and replacement cost after the aging and damage of a single part; during assembly, the waste powder box 2 and the carbon powder box 3 are respectively connected with the front and rear ends of the developing mechanism 1 through clamping, so that the effect of quick installation is realized; during the installation process, the sharp end of the clamping block 26 on the two sides of the waste powder box 2 and the carbon powder box 3 will extrude the inner side of the corresponding buckle 27, so that the buckle 27 rotates with the driving gear 28, the toothed rod 29 slides under the rotation of the driving gear 28, and under the action of the tension spring 33, the buckle 27 will rotate and be clamped with the clamping block 26 (as shown in Figure 10 Fig. 6), so that the waste powder box 2 and the carbon powder box 3 are assembled with the developing mechanism 1; at the same time, after the buckle 27 is clamped with the clamping block 26, the limiting rod 36 will be in contact with the upper surface of the buckle 27 on the right side in front, and under the limiting of the limiting rod 36 and the buckle 27, the waste carbon plate 34 and the connecting rod 35 cannot rotate, so that the waste carbon plate 34 cannot rotate and open inside the printer, and the waste carbon powder cannot overflow; when it is necessary to clean the waste carbon powder, the waste powder box 2 only needs to be disassembled and separated, and then the waste carbon plate 34 can be rotated and opened, and the waste carbon powder can be poured out;

[0058] The three modules are disassembled, the operating rod 32 is pulled, the lifting plate 31 is moved upward, the corresponding toothed rod 29 is driven to slide in, the buckle 27 is rotated away from the clamping block 26 through the transmission of the driving gear 28, and the connection between the three modules is released.

[0059] When the structure is used, it is installed in the printer, and the driving units in the printer are respectively connected with the spur gear one 9, the spur gear three 15 and the spur gear five 41, so that the selenium drum structure is driven to run during operation; the photosensitive drum 4 is driven to rotate by the spur gear one 9, and the developing roller 5 is driven to rotate under the transmission of the transmission gear 11 and the spur gear two 10, so that the carbon powder in the carbon powder box 3 is laid on the photosensitive drum 4.

[0060] Under the transmission of the spur gear three 15, the spur gear four 16, the bevel gear one 17, the bevel gear two 18, the rotating rod 19 and the transmission belt 20, the auger rod 13 and the stirring blade 14 rotate at the same time, the internal heating unit of the stirring blade 14 heats the carbon powder, and the auger rod 13 and the auger cylinder 12 convey the carbon powder that is not heated enough below to the upper part, so that the heating is more uniform.

[0061] The transmission roller 40 is driven to rotate by the spur gear five 41, so that the carbon filter screen 44 rotates along the outer sides of the two transmission rollers 40, the fan 37 operates, air is discharged outward, the inside of the waste powder cavity 8 is in a negative pressure state, the waste powder scraped off by the scraper one 6 is attracted, the waste powder is attached to the front surface of the carbon filter screen 44, and when the carbon filter screen 44 carries the waste powder to rotate to the rear, the waste powder is separated by the partition plate 42, is attracted, and is scraped off by the scraper two 43, the waste powder is cooled and agglomerated, and falls to the bottom of the waste powder cavity 8.

[0062] The above embodiments only express several implementation manners of the present application, which are described in a more specific and detailed manner, but cannot be understood as a limitation on the patent scope of the present application. It should be noted that, for ordinary skilled persons in the art, several modifications and improvements can be made without departing from the concept of the present application, which all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A structure of a toner cartridge for a laser printer, comprising a developing mechanism (1), characterized in that: The developing mechanism (1) front end is provided with waste powder box (2), the developing mechanism (1) rear end is provided with carbon powder box (3), the developing mechanism (1) inside below rotationally connected with photosensitive drum (4), the developing mechanism (1) inside rear rotationally connected with developing roller (5), the waste powder box (2) inside rear rotationally connected with scraper one (6), the waste powder box (2) inside is opened in ash channel (7), the waste powder box (2) inside upper portion is opened in waste powder cavity (8), the waste powder cavity (8) with the ash channel (7) inside is connected, the photosensitive drum (4) right end is penetrated to the developing mechanism (1) right side, and is fixed with straight gear one (9), the developing roller (5) right end is penetrated to the developing mechanism (1) right side, and is fixed with straight gear two (10), the straight gear two (10) with straight gear one (9) between common meshing connection has transmission gear (11), the transmission gear (11) with the developing mechanism (1) rotationally connected, the carbon powder box (3) inside rear surface is fixed with multiple auger cylinder (12), the auger cylinder (12) inside rotationally connected with auger rod (13), the auger rod (13) rear end is penetrated to the carbon powder box (3) outer surface, the carbon powder box (3) inside rotationally connected with stirring vane (14), the stirring vane (14) middle part is provided with heating unit, the stirring vane (14) right end is penetrated to the carbon powder box (3) right side, and is fixed with straight gear three (15), the straight gear three (15) outer surface meshing connection has straight gear four (16), the straight gear four (16) with the carbon powder box (3) right side rotationally connected, the straight gear four (16) right side center is fixed with bevel gear one (17), the bevel gear one (17) outer surface meshing connection has bevel gear two (18), the bevel gear two (18) middle part is fixed with rotation rod (19), the rotation rod (19) rear end with multiple auger rod (13) outer surface common transmission connection has transmission belt (20).

2. The structure of a toner cartridge for a laser printer according to claim 1, wherein: The (1) the carbon powder box (3) front end opening is integrally formed with arc frame (21), the arc frame (21) inside is slidably connected with carbon powder plate (22), the carbon powder box (3) right side is provided with through slot (23), the through slot (23) with the arc frame (21) inside is connected, the through slot (23) inside is slidably connected with slide buckle (24), the slide buckle (24) left end is fixedly connected with the carbon powder plate (22).

3. The structure of a toner cartridge for a laser printer according to claim 1, wherein: The (1) the developing mechanism (1) upper surface is provided with a sink (25), the waste powder box (2) left and right side and the carbon powder box (3) left and right side are all fixed with the clamping block (26), the developing mechanism (1) left and right side are all rotatably connected with two buckles (27), two the buckle (27) are oppositely arranged, the buckle (27) is connected with the adjacent clamping block (26), two the drive gear (28) is fixed at the opposite end of two buckle (27), two the rack (29) is rotatably connected between the drive gear (28), two the rack (29) opposite end is all through to the sink (25) inside, and all rotatably connected with the connecting plate (30), two the connecting plate (30) opposite end is rotatably connected with the lifting plate (31) together, the lifting plate (31) upper surface is fixed with the operating rod (32), the operating rod (32) top end is through to the developing mechanism (1) upper surface, the lifting plate (31) lower surface and the sink (25) inside are fixed with the tension spring (33) together.

4. The structure of a toner cartridge for a laser printer according to claim 3, wherein: The waste powder box (2) top opening is rotatably connected with a waste carbon plate (34), the pivot right end of the waste carbon plate (34) is fixed with a connecting rod (35), the outer surface of the connecting rod (35) is fixed with a limiting rod (36); The inside of the waste carbon plate (34) is fixed with a fan (37), the lower surface of the waste carbon plate (34) is fixed with two fixed rods (38), two the fixed rod (38) bottom is fixed with the bottom plate (39) together, the waste carbon plate (34) and the bottom plate (39) are rotatably connected with two transmission rollers (40) together, the transmission roller (40) top end is through to the upper surface of the waste carbon plate (34), and fixed with a spur gear five (41), the bottom plate (39) upper surface rear is fixed with a partition (42), the outer surface of two transmission rollers (40) is provided with a filter carbon net (44), the inside of the waste powder cavity (8) is fixed with a scraper two (43) on the surface of the filter carbon net (44).

5. The structure of a toner cartridge for a laser printer according to claim 4, wherein: The limiting rod (36) is located above the buckle (27), and the bottom end is attached to the upper surface of the buckle (27).

6. The structure of a toner cartridge for a laser printer according to claim 4, wherein: The partition (42) is located inside the filter carbon net (44), and the outer surface of the partition (42) is attached to the inner side wall of the filter carbon net (44).

7. The structure of a toner cartridge for a laser printer according to claim 1, wherein: The pivot right end of the scraper one (6) is through to the right side of (1).

8. The structure of a toner cartridge for a laser printer according to claim 1, wherein: The bottom and top of the auger cylinder (12) are provided with a material port.

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