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Processing box

A technology for processing cartridges and developing cartridges, applied in the field of processing cartridges, can solve the problems of complex structure design of a powder discharge assembly, easy powder accumulation and blockage in a powder discharge channel, etc., and achieves the effect of simple structure and prevention of powder accumulation and blockage.

Active Publication Date: 2021-07-02
ZHUHAI UN TERN IMAGING PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the existing processing box, the structural design of the powder discharge assembly is usually relatively complicated, and there is also the problem that the powder discharge channel is easy to accumulate powder and block

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] see figure 1 with 2 , the process box of embodiment 1 comprises photosensitive drum cartridge 10 and developing cartridge 20; Photosensitive drum cartridge 10 comprises photosensitive frame 11, photosensitive drum 12, driving assembly 13 and toner discharge assembly 14, has waste toner bin 111 in the photosensitive frame 11, waste The powder bin 111 is provided with a waste powder conveying member 15 . The developing cartridge 20 includes a developing frame with a toner chamber and a developing roller (not visible in the figure) rotatably supported on the developing frame, and the developing roller is used to supply the toner in the toner chamber to the photosensitive drum 12 . The waste carbon powder cleaned from the photosensitive drum 12 will enter the waste toner bin 111, and be transported by the waste toner conveying member 15 to the toner discharge assembly 14, and finally be discharged from the toner discharge assembly 14 to the waste toner collection container...

Embodiment 2

[0060] Figure 8 The structure of the powder discharge assembly in Embodiment 2 is shown. Such as Figure 8 As shown, in Embodiment 2, the telescopic tube 144 is non-rotatably arranged in the powder discharge channel, and the upper end of the telescopic tube 144 is connected to the fixing member 141, such as forming a threaded connection, an adhesive connection or a snap connection; correspondingly, the transmission member 143 may not have connecting sleeve 1432. The lower end of the telescopic tube 144 is connected to the moving member 142, which may be threaded connection, adhesive connection, buckle connection or movable abutment. For example, the lower end of the telescopic tube 144 has a radially outwardly protruding annular step portion 1444 , and the annular step portion 1444 is movably abutted against the lower end of the moving member 142 .

[0061] That is to say, in the second embodiment, the transmission member 143 only drives the elastic member 145 to rotate, b...

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PUM

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Abstract

The invention discloses a processing box. The processing box comprises a photosensitive drum box and a developing box, the photosensitive drum box comprises a photosensitive drum, a powder discharging assembly and a photosensitive frame with a waste powder bin, wherein the powder discharging assembly is provided with a powder discharging channel communicated with the waste powder bin; the powder discharging assembly comprises a fixing component; a transmission component which is rotatably arranged on the fixing component; a moving component which is arranged on the fixing component in a manner of moving up and down; a telescopic connecting component which is arranged in the powder discharging channel; and an elastic component which is rotatably arranged in the powder discharging channel and is driven by the transmission component to rotate. When the elastic component contracts, the connecting component is driven to contract and the moving component is driven to move upwards, and when the moving component moves downwards, the elastic component and the connecting component are driven to expand downwards. The powder discharging assembly has the advantages of being simple in structure and not prone to being blocked by accumulated powder.

Description

technical field [0001] The present invention relates to a process cartridge for mounting to an electrophotographic image forming apparatus. Background technique [0002] Process cartridges are widely used in electrophotographic image forming apparatuses such as laser printers, copiers, facsimile machines, and the like. The process cartridge usually includes a developing roller and a photosensitive drum. During the imaging process, the toner carried by the developing roller can be transferred to the photosensitive drum to develop the electrostatic latent image on the photosensitive drum. [0003] The toner supplied to the photosensitive drum is usually not fully utilized, so the photosensitive drum needs to be cleaned, and the residual waste toner after cleaning is usually stored in the waste toner bin. The processing box in the prior art generally has a relatively small space for accommodating waste toner bins, and can only accommodate a relatively small amount of waste ton...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03G21/18G03G21/10G03G21/12
CPCG03G21/1814G03G21/105G03G21/12
Inventor 黄宗仟
Owner ZHUHAI UN TERN IMAGING PROD