Printer powder box capable of uniformly discharging powder

By combining a rotary toner scraper, a stirring device, and a toner delivery screw, the problem of uneven toner dispensing from the printer toner cartridge is solved, achieving uniform toner dispensing and efficient utilization, thus improving print quality and reducing operating costs.

CN223955960UActive Publication Date: 2026-02-27SUZHOU WUZHONG CONSTANT ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202520628979.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-02-27
Estimated Expiration
2035-04-07

AI Technical Summary

Technical Problem

Uneven toner dispensing from existing printer cartridges leads to decreased image quality and excessive toner consumption, increasing operating costs.

Method used

The device employs a combination design of a rotary scraper, a stirring device, and a powder feeding screw. The rotary scraper and stirring blades break up agglomerated toner, and the powder feeding screw delivers the toner evenly. Combined with a filter screen and a powder return mechanism, this ensures uniform toner output.

Benefits of technology

It improves the uniformity of toner dispensing and toner utilization, stabilizes print quality, and saves costs.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223955960U_ABST
    Figure CN223955960U_ABST
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Abstract

The utility model discloses a printer powder box capable of uniformly discharging powder, which comprises a carbon powder bin, a powder guiding channel and a powder discharging cylinder, a powder falling port is arranged at the bottom of the carbon powder bin, a stirring device is arranged at the powder falling port, the powder falling port is communicated with one end of the powder guiding channel, a powder feeding screw rod is arranged in the powder guiding channel, and the other end of the powder guiding channel is communicated with the powder discharging cylinder. A rotary powder scraping device is arranged in the powder outlet barrel, a powder outlet is formed in the bottom of the powder outlet barrel, a filter screen is arranged in the powder outlet, and a powder return opening is formed in the side face of the powder outlet barrel and communicated with the carbon powder bin; according to the printer powder box capable of uniformly discharging the powder, the caked carbon powder can be recycled and scattered for multiple times, so that the powder discharging uniformity and the carbon powder utilization rate of the powder box are improved, and the quality of a printed sample manuscript is more stable and controllable while the cost is saved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a printer powder box of even powder. BACKGROUND

[0002] The printer powder box is used for containing imaging material (for example, powder imaging material such as carbon powder), and the imaging material is discharged through the powder outlet of the powder tank, and the discharged imaging material can be used by the imaging device to complete the imaging work.

[0003] Most of the powder boxes on the market have the problem of uneven powder discharge, which not only affects the imaging quality of the printer, but also causes a large amount of waste powder that is not fully utilized during the working process of the printer, making the powder box consume faster and increasing the use cost. SUMMARY

[0004] The utility model discloses a printer powder box of even powder, including carbon powder storehouse, powder guide channel and powder outlet cylinder, the top of carbon powder storehouse is set up and has the powder adding mouth, the bottom of carbon powder storehouse is set up and has the powder falling mouth, is equipped with the stirring device at the powder falling mouth, the powder falling mouth is linked together with one end of powder guide channel, is equipped with the powder feeding screw in powder guide channel, the other end of powder guide channel is linked together with powder outlet cylinder, is equipped with the rotary powder scraping device in powder outlet cylinder, the bottom of powder outlet cylinder is set up and has the powder outlet, is equipped with the filter screen in the powder outlet, the side of powder outlet cylinder is equipped with the powder return mouth, the powder return mouth is linked together with carbon powder storehouse.

[0005] Preferably, the rotary powder scraping device includes a rotating shaft, a scraper, and a first motor. The rotating shaft is arranged at the center of the powder outlet cylinder. One end of the rotating shaft extends to the outside of the powder outlet cylinder and is connected with the first motor. A plurality of scrapers are fixedly connected to the rotating shaft at equal distances. One side of the scraper is attached to the inner side wall of the powder outlet cylinder.

[0006] Preferably, the stirring device includes a stirring frame, stirring blades, and a second motor. The stirring frame is rotatably arranged on the side wall of the carbon powder storehouse. The output end of the second motor is drivingly connected to the stirring frame. The stirring blades are fixedly arranged on the stirring frame.

[0007] Preferably, the carbon powder storehouse is provided with a material blocking inclined plate. The material blocking inclined plate is located above the powder return mouth.

[0008] Preferably, one end of the powder feeding screw is connected with a third motor. The third motor is fixedly arranged outside the powder guide channel.

[0009] The printer powder box capable of uniformly discharging powder has the advantages that the caked carbon powder can be reused and scattered multiple times, the powder discharge uniformity of the powder box and the carbon powder utilization rate are improved, the cost is saved, and the quality of the printed manuscript is more stable and controllable. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 The utility model discloses a schematic diagram. DETAILED DESCRIPTION

[0011] The utility model discloses a specific embodiment's technical scheme is:

[0012] The utility model discloses a specific embodiment's technical scheme is:

[0013] As Figure 1 The utility model discloses a printer powder box capable of uniformly discharging powder, which comprises a carbon powder bin 1, a powder guide channel 2 and a powder discharge cylinder 3, the top of the carbon powder bin 1 is provided with a powder adding opening 11, the bottom of the carbon powder bin 1 is provided with a powder falling opening 12, a stirring device 4 is arranged at the powder falling opening 12, the powder falling opening 12 is connected with one end of the powder guide channel 2, a powder feeding screw 5 is arranged in the powder guide channel 2, the other end of the powder guide channel 2 is connected with the powder discharge cylinder 3, a rotary powder scraping device 6 is arranged in the powder discharge cylinder 3, a powder discharge opening 31 is formed in the bottom of the powder discharge cylinder 3, a filter screen 32 is arranged in the powder discharge opening 31, a powder returning opening 33 is arranged on the side of the powder discharge cylinder 3, and the powder returning opening 33 is connected with the carbon powder bin 1.

[0014] The rotary powder scraping device 6 comprises a rotating shaft 61, a scraper 62 and a first motor (not shown in the figure), the rotating shaft 61 is arranged at the center of the powder discharge cylinder 3, one end of the rotating shaft 32 extends to the outside of the powder discharge cylinder 3 and is connected with the first motor, a plurality of scrapers 62 are fixedly connected on the rotating shaft 61 at equal distances, and one side of the scraper 62 is attached to the inner side wall of the powder discharge cylinder 3; specifically, the first motor drives the plurality of scrapers 62 to rotate around the rotating shaft 61, and the scraper 62 drives the carbon powder in the powder discharge cylinder 3 to move.

[0015] The stirring device 4 comprises a stirring frame 41, stirring blades 42 and a second motor 43, the stirring frame 41 is rotatably arranged on the side wall of the carbon powder bin 1, the output end of the second motor 43 is transmissionally connected with the stirring frame 41, and the stirring blades 42 are fixedly arranged on the stirring frame 41; specifically, the second motor 43 drives the stirring blades 42 to rotate through the stirring frame 41, and the caked carbon powder is scattered.

[0016] The carbon powder bin 1 is provided with a material blocking inclined plate 7, which is located above the powder returning port 33; specifically, the material blocking inclined plate 7 is used to block the carbon powder in the carbon powder bin 1 from entering the powder outlet cylinder 1 through the powder returning port 3.

[0017] One end of the powder feeding screw 5 is connected with a third motor 51, which is fixed outside the powder guiding channel 2; specifically, the third motor 51 drives the powder feeding screw 5 to rotate in the powder guiding channel 2, and the powder feeding screw 5 stirs and feeds the carbon powder to the powder outlet cylinder 3.

[0018] In use, carbon powder can be added to the carbon powder bin 1 through the powder adding port 11, the second motor 43 is started to drive the stirring frame 41 and the stirring blade 42 to rotate, so as to break the agglomerated carbon powder, the carbon powder enters the powder guiding channel 2 through the powder falling port 12, the third motor 51 is started to drive the powder feeding screw 5 to rotate and push the carbon powder to move towards the powder outlet cylinder 3, the carbon powder enters the powder outlet cylinder 3, the first motor drives the plurality of scrapers 62 to rotate through the rotating shaft 61, the scrapers 62 drive the carbon powder to rotate in the powder outlet cylinder 3, the broken carbon powder is discharged outside through the filter screen 32 when passing through the powder outlet port 31, and the unbroken carbon powder returns to the carbon powder bin 1 through the powder returning port 33 to be broken again, so as to improve the powder outlet uniformity of the powder box and the carbon powder utilization rate, save the cost, and make the quality of the printed manuscript more stable and controllable.

[0019] The above only describes the preferred embodiments of the present application, and it should be noted that, for those skilled in the art, without departing from the technical principles of the present application, some improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A printer toner cartridge capable of uniformly dispensing toner, characterized in that: The device includes a toner hopper, a toner guide channel, and a toner outlet. The toner hopper has a toner inlet at the top and a toner drop outlet at the bottom. A stirring device is installed at the toner drop outlet. The toner drop outlet is connected to one end of the toner guide channel, which contains a toner feeding screw. The other end of the toner guide channel is connected to the toner outlet. A rotating toner scraper is installed inside the toner outlet. A toner outlet is located at the bottom of the toner outlet, which contains a filter screen. A toner return outlet is located on the side of the toner outlet and is connected to the toner hopper.

2. The printer toner cartridge capable of uniform toner dispensing according to claim 1, characterized in that, The rotating powder scraping device includes a rotating shaft, scrapers, and a first motor. The rotating shaft passes through the center of the powder outlet cylinder, and one end of the rotating shaft extends to the outside of the powder outlet cylinder and is connected to the first motor. Several scrapers are fixedly connected at equal intervals on the rotating shaft, and one side of the scraper is attached to the inner wall of the powder outlet cylinder.

3. A printer toner cartridge capable of uniform toner dispensing according to claim 2, characterized in that, The stirring device includes a stirring frame, stirring blades, and a second motor. The stirring frame is rotatably mounted on the side wall of the toner chamber. The output end of the second motor is connected to the stirring frame. The stirring blades are fixed on the stirring frame.

4. A printer toner cartridge capable of uniform toner dispensing according to claim 3, characterized in that, The toner hopper is equipped with a baffle plate, which is located above the toner return port.

5. A printer toner cartridge capable of uniform toner dispensing according to claim 4, characterized in that, One end of the powder feeding screw is connected to a third motor, which is fixed outside the powder guiding channel.