CN-116893594-B - Selenium drum sensitization structure and selenium drum

CN116893594BCN 116893594 BCN116893594 BCN 116893594BCN-116893594-B

Abstract

The invention discloses a selenium drum photosensitive structure and a selenium drum, which belong to the technical field of selenium drums, wherein an annular light guide layer is arranged on the outer wall of the selenium drum roller shaft, selenium drum powder cleaning components which are vertical and elastically move are respectively connected to the opposite inner sides of auxiliary plates, the top ends of the selenium drum powder cleaning components are in bouncing contact with the outer surface of the light guide layer, and a vertically bouncing selenium drum powder cleaning component is arranged below the light guide layer outside the selenium drum roller shaft, so that when the selenium drum powder cleaning components are matched with the selenium drum roller shaft to rotate, the top ends of the selenium drum powder cleaning components are contacted with the outer wall of the light guide layer to clean the selenium drum powder remained on the outer wall of the light guide layer in a manner of being matched with a conductive roller, and the selenium drum powder cleaning components move downwards along with the action force generated by rotation in the rotation of the light guide layer, and bounce upwards to the light guide layer after the selenium drum powder cleaning components move downwards, so as to achieve the purpose of vibrating the selenium drum powder on the light guide layer.

Inventors

Dai Erxiang

Assignees

扬州兆森电子科技有限公司

Dates

Publication Date: 20260508
Application Date: 20230625

Claims (4)

1. The selenium drum photosensitive structure is characterized by comprising: The selenium drum roll shaft (1), wherein an annular light guide layer (2) is arranged on the outer wall of the selenium drum roll shaft (1), the left end and the right end of the selenium drum roll shaft (1) are respectively connected with connecting plates (3) matched with the selenium drum roll shaft (1) to be assembled, the middle parts of the outer walls of the two connecting plates (3) are provided with horizontal clamping plates (8) matched with the connecting plates (3) to be horizontally assembled and fixed, the upper surface and the bottom surface of each horizontal clamping plate (8) are respectively provided with a spring buckle (9), the inner side of the connecting plate (3) is provided with an annular inner side limiting plate (10), and the tail ends of the inner side limiting plates (10) are in abutting fit rotation with the left end and the right end of the selenium drum roll shaft (1) through balls (11); the two ends of the conductive roller (5) are rotatably supported with an auxiliary plate (6) below the connecting plate (3) through a shaft lever (4); the selenium drum powder cleaning assembly (7) which moves vertically and elastically is connected to the opposite inner sides of the auxiliary plate (6) respectively, the top end of the selenium drum powder cleaning assembly (7) is in bouncing contact with the outer surface of the light guide layer (2), the selenium drum powder cleaning assembly (7) comprises a vertical sliding block (12) arranged on the inner side of the auxiliary plate (6), a horizontal supporting plate (13) arranged on the inner side of the vertical sliding block (12) and a friction protrusion (14) arranged on the top surface of the horizontal supporting plate (13), and the vertical sliding block (12) is arranged in a vertical sliding groove on the inner side of the auxiliary plate (6).
2. The selenium drum photosensitive structure of claim 1, wherein the upper surface and the bottom surface of the vertical sliding block (12) are respectively provided with a reset spring (15) and a supporting spring (16).
3. The selenium drum photosensitive structure of claim 1, wherein the center of the friction bulge (14) is rotationally connected with the top end of the horizontal supporting plate (13), and arc convex strips (17) are uniformly distributed on the outer wall of the friction bulge (14).
4. A selenium drum is characterized by comprising the selenium drum photosensitive structure according to any one of claims 1-3, and further comprising a selenium drum main body (18), wherein the selenium drum photosensitive structure is horizontally clamped with the inside of the selenium drum main body (18) through a horizontal clamping plate (8) at the outer side of a connecting plate (3), and electric connection ends (19) matched with and connected with a conductive roller (5) are respectively arranged at the left end and the right end of the selenium drum main body (18).

Description

Selenium drum sensitization structure and selenium drum Technical Field The invention belongs to the technical field of selenium drums, and particularly relates to a selenium drum photosensitive structure and a selenium drum. Background Selenium drums, also known as photosensitive drums, are typically composed of a base substrate made of aluminum and a photosensitive material coated on the substrate. The selenium drum not only determines the quality of printing, but also determines the money the user needs to spend in the using process. In a laser printer, 70% or more of the image forming elements are concentrated in the cartridge, and the quality of the print is actually determined to a large extent by the photosensitive structure on the cartridge; The photosensitive structure on the traditional selenium drum is mostly made of light guide materials, the photosensitive semiconductor on the light guide materials is subjected to illumination and then matched with a conductive roller to generate electric conduction, the carrier mobility of an object is changed to different degrees, which is equal to the carrier density multiplied by the forward mobility, the mobility is increased, the electric conduction is improved, the electric conduction of the light guide materials is in direct proportion to the sensitivity of the light guide materials to light, when the selenium drum is matched with the conductive roller printing materials, the selenium drum powder is dipped and matched with the light guide materials to print along with the rotation of the selenium drum, when the selenium drum powder remains on the upper surface of the light guide materials, the electric conduction effect of the light guide materials is reduced, when the conductive roller is matched with the light guide materials on the selenium drum to print, the electric conduction of the light guide materials is caused due to the residual selenium drum powder, so that the problems of agglomeration, unclear printing and printing disconnection are caused, Therefore, the invention provides a selenium drum photosensitive structure and the selenium drum printed by the selenium drum photosensitive structure. Disclosure of Invention The invention aims to provide a selenium drum photosensitive structure and a selenium drum, which are used for solving the problems in the background technology. In order to achieve the above purpose, the invention provides a selenium drum photosensitive structure, comprising: The selenium drum roll shaft, the outer wall of the selenium drum roll shaft is provided with an annular light guide layer, and the left end and the right end of the selenium drum roll shaft are respectively connected with connecting plates matched with the assembly of the selenium drum roll shaft; The two ends of the conductive roller are rotatably supported with the auxiliary plate below the connecting plate through the shaft rod; The selenium drum powder cleaning component which moves vertically and elastically is connected with the opposite inner sides of the auxiliary plate respectively, and the top end of the selenium drum powder cleaning component is in bouncing contact with the outer surface of the light guide layer. Further, the middle parts of the outer walls of the two connecting plates are provided with horizontal clamping plates which are horizontally assembled and fixed by matching with the connecting plates, and the upper surfaces and the bottom surfaces of the horizontal clamping plates are respectively provided with elastic buckles. Further, an annular inner limit plate is arranged on the inner side of the connecting plate, and the tail end of the inner limit plate is in abutting fit rotation with the left end and the right end of the selenium drum roller shaft through balls. Further, the selenium drum powder cleaning component comprises a vertical sliding block arranged on the inner side of the auxiliary plate, a horizontal supporting plate arranged on the inner side of the vertical sliding block, and a friction protrusion arranged on the top surface of the horizontal supporting plate, wherein the vertical sliding block is limited on the auxiliary plate to move up and down below the conductive layer, and the top surface of the friction protrusion on the upper surface of the horizontal supporting plate is contacted with the surface of the conductive layer to clean the selenium drum powder on the surface of the conductive layer in a matching way; The vertical sliding block is arranged in a vertical sliding groove on the inner side of the auxiliary plate, and the vertical sliding groove is used for limiting the vertical sliding block on the inner side of the auxiliary plate and keeping the selenium drum powder cleaning assembly stable in vertical movement on the inner side of the auxiliary plate. Further, the upper surface and the bottom surface of vertical slider are equipped with reset spring and supporting spring respectively, and reset spr