CN219574606U - Powder accumulation preventing type waste powder bin for selenium drum - Google Patents

Abstract

The utility model relates to an anti-powder accumulation type waste powder bin for a selenium drum. The printer selenium drum comprises a transfer printing component, a scraper component and a waste powder bin, wherein redundant carbon powder is generated in the printing process of the transfer printing component, the waste powder bin is scraped into the waste powder bin in time by the scraper component, the waste powder bin is provided with a powder guide groove, and carbon powder positioned at two sides of the waste powder bin enters the waste powder bin through the powder guide groove, so that the defect of black vertical bars caused by accumulation due to the fact that the common carbon powder cannot enter the waste powder bin in time in the printing process of the printer is effectively overcome, the service life of the printer selenium drum is further prolonged, and the working stability and the use experience of the printer in use are enhanced. The utility model can be widely applied to the technical field of printers.

Description

Powder accumulation preventing type waste powder bin for selenium drum

Technical Field

The utility model relates to the technical field of printers, in particular to an anti-powder accumulation type waste powder bin for a selenium drum.

Background

In the working process of the printer, the selenium drum forms an electrostatic latent image on the OPC surface after exposure, then the magnetic roller provides carbon powder to the OPC electrostatic latent image area, then the carbon powder on the OPC surface is transferred onto paper, the carbon powder on the paper surface is fixed by the fixing device, finally the paper is discharged to the outside of the printer, and the printing process is finished. In the traditional printing work, the carbon powder remained on the surface after the OPC is transferred can be scraped by the cleaning scraper and recycled into the waste powder bin, the residual carbon powder on the OPC surface is continuously recycled into the waste powder bin along with the printing process, the more accumulated and more accumulated waste carbon is accumulated at the edge position of the cleaning scraper, especially the more accumulated waste powder recycled at the edges at the two ends of the cleaning scraper is more seriously accumulated, when the cleaning capability of the cleaning scraper is influenced after the waste powder is accumulated to a certain extent, the carbon powder ring phenomenon can be caused at the two end areas of the OPC surface, and the phenomenon of black vertical bar defects can be caused on printing paper.

Therefore, a technical problem to be solved by those skilled in the art is how to effectively improve the occurrence of the situation that the printing effect is seriously affected by the occurrence of black vertical bars and the like in the working process of the printer. Therefore, a waste powder bin which is ingenious in structure, reasonable in cost, stable in work, long in service life and not easy to accumulate ash needs to be explored.

In summary, the existing waste powder bin has the dust accumulation in the current practical application, which seriously affects the printing effect and the use experience, and affects the service life of the printer and other accessories.

Disclosure of Invention

The utility model aims to solve the technical problems of overcoming the defects of the prior art and providing the waste powder bin which is ingenious in structure, reasonable in cost, stable in work, long in service life and not easy to accumulate dust.

In order to achieve the purpose, the technical scheme adopted by the waste powder bin is as follows:

the utility model provides a selenium drum is with preventing long-pending powder formula waste powder storehouse, includes transfer printing subassembly, scraper assembly, its characterized in that: including useless powder storehouse, transfer printing subassembly includes OPC and movable pin, OPC one end is passed through movable pin and useless powder storehouse swing joint, the OPC other end is provided with the gear sleeve, the gear sleeve with useless powder storehouse swing joint, useless powder storehouse one side fixed mounting has limit baffle, scraper subassembly includes knife rest, cleaning blade, sealing scraper, sealing felt, knife rest fixed mounting in useless powder storehouse upper end, cleaning blade with the knife rest is connected side by side, just knife rest and cleaning blade below are provided with sealing sponge pad, sealing felt joint in cleaning blade both ends, sealing scraper fixed mounting is in sealing felt top, the powder guide groove has been seted up to useless powder storehouse both ends inboard.

Further, the depth of the powder guiding groove is 2 mm, and a buffer space is provided for scraping the fallen carbon powder.

Further, the gradient of the powder guide groove is 45 degrees, so that carbon powder automatically falls down when being accumulated to a certain degree.

Further, the section of the powder guiding groove is trapezoid, and the powder guiding groove leads the carbon powder to accurately fall into the waste powder bin body.

Further, the surface roughness of the powder guide groove is 1.6 mu m, so that the sliding efficiency of the accumulated carbon powder is improved.

Further, a limiting block is arranged above one side of the powder guide groove, so that the sealing performance of the waste powder bin is enhanced, and the phenomenon that the working stability of the printer is influenced due to the fact that sliding carbon powder overflows is prevented.

Compared with the existing waste powder bin, the utility model has at least the following beneficial effects:

1. the waste powder bin provided by the utility model can effectively improve the condition that carbon powder is accumulated at the knife edges at the two ends of the cleaning scraper in the working process of the printer in a closed area formed by the OPC, the cleaning scraper, the sealing felt, the sealing scraper and the waste powder bin body, thereby avoiding the problem of black vertical bars possibly occurring in the printing process on a problem source head and effectively improving the operation experience of a user and the printing effect.

2. In the working process of the printer, the accumulated carbon powder is timely removed, so that the influence on the service life of the transfer printing component and the scraper component caused by the adhesion of the accumulated carbon powder on the OPC surface is improved, the use cost is indirectly reduced, and the aims of reducing the cost and enhancing the efficiency are fulfilled.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the construction of the waste bin;

FIG. 2 is a schematic structural view of the transfer assembly;

FIG. 3 is a schematic view of the doctor assembly;

FIG. 4 is a partial cross-sectional view of the doctor assembly;

FIG. 5 is a schematic view of the construction of the waste bin;

fig. 6 is a partially enlarged view of the waste bin.

In the figure: 100. a transfer assembly; 101. OPC; 102. a movable pin; 103. a gear sleeve; 104. a limit baffle; 200. a scraper assembly; 201. a tool holder; 202. a cleaning blade; 203. a sealing scraper; 204 sealing the felt; 205. sealing the sponge cushion; 300. a waste powder bin; 301. a powder guiding groove; 302. and a limiting block.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Furthermore, the terms "first," "second," and the like, if any, are used merely for distinguishing between descriptions and not for indicating or implying a relative importance.

It should be noted that the features of the embodiments of the present utility model may be combined with each other without conflict.

As shown in fig. 1 to 6, an anti-powder accumulation type waste powder bin for a selenium drum comprises a transfer printing component 100 and a scraper component 200, which is characterized in that: including waste powder storehouse 300, transfer printing subassembly 100 includes OPC101 and movable pin 102, movable pin 102 passes waste powder storehouse 300 and OPC101 fixed connection, just movable pin 102 is swing joint with waste powder storehouse 300, the OPC101 other end is provided with gear sleeve 103, gear sleeve 103 set up in waste powder storehouse 300 top, and with waste powder storehouse 300 swing joint, waste powder storehouse 300 one side fixed mounting has limit baffle 104, will gear sleeve 103 restrict only can in waste powder storehouse 300 top activity, scraper subassembly 200 includes knife rest 201, cleaning blade 202, sealing blade 203, sealing felt 204, knife rest 201 fixed mounting in waste powder storehouse 300 upper end inboard, cleaning blade 202 with knife rest 201 side by side is connected, just knife rest 201 and cleaning blade 202 below are provided with sealing foam pad 205, sealing blade 204 joint in cleaning blade 202 both ends, sealing blade 203 fixed mounting is in sealing felt 204 top, inboard powder storehouse 300 both ends are equipped with and are led the powder groove 301.

In the working process of the printer, after the selenium drum is exposed, an electrostatic latent image is formed on the surface of the OPC101, then carbon powder is provided to the OPC101 electrostatic latent image area by the magnetic roller, then the carbon powder on the surface of the OPC101 is transferred onto paper, at the moment, the redundant carbon powder falls into the waste powder bin 300 through the cleaning scraper 202, the carbon powder on the surface of the paper is fixed by the fixing device, finally the paper is discharged to the outside of the printer, and the printing process is finished. In this process, the OPC101 is driven by external power to rotate above the waste powder bin 300 through the movable pin 102 and the gear sleeve 103, the redundant carbon powder after the OPC101 is transferred is scraped by the cleaning blade 202 and falls into the waste powder bin 300, at this time, the waste powder bin 300, the cleaning blade 202, the sealing foam pad 205, the sealing felt 204 and the sealing blade 203 form a sealing space, the sealing foam pad 205 is fixed by the limiting block 302 arranged above one side of the powder guiding groove 301, the tightness of the space is further ensured, the waste powder is placed to overflow and spread, the sealing foam pad 205 plays a limiting role on the cleaning blade 202, the sealing felt 204 simultaneously limits the sealing foam pad 205 and the cleaning blade 202 in a mode of being clamped in the waste powder bin 300, the carbon powder scraped by the cleaning blade 202 falls into the sealing space, and the edges at two ends of the cleaning blade 202 are easy to cause the accumulated waste carbon powder to fall into the powder bin 300 by the powder guiding groove 301.

The depth of the powder guiding groove 301 is 2 mm, so as to provide enough buffer space for scraping fallen carbon powder, and meanwhile, the phenomenon that the carbon powder which is scattered in the closed space after being scraped is prevented from being carried out of the closed space again due to the rotation inertia of the OPC101, so that the working stability of other working parts is disturbed, the printing effect is affected, the gradient of the powder guiding groove 301 is 45 degrees, the cross section of the powder guiding groove is trapezoid, the carbon powder automatically falls down when being piled up to a certain extent, only the powder guiding groove with the trapezoid cross section accurately falls into the bin body of the waste powder bin 300, the adverse effect caused by piling up the carbon powder is avoided, the printing effect is improved, the service life of the printer is prolonged, and meanwhile, the surface roughness of the powder guiding groove 301 is 1.6 mu m for further ensuring the anti-powder accumulation effect, so as to achieve the optimal working effect of the utility model.

Claims (6)

1. The utility model provides a selenium drum is with preventing long-pending powder formula waste powder storehouse, includes transfer printing subassembly (100), scraper subassembly (200) its characterized in that: including useless powder storehouse (300), transfer printing subassembly (100) include OPC (101) and movable pin (102), OPC (101) one end is passed through movable pin (102) and useless powder storehouse (300) swing joint, OPC (101) other end is provided with gear sleeve (103), gear sleeve (103) with useless powder storehouse (300) swing joint, useless powder storehouse (300) one side fixed mounting has limit baffle (104), scraper subassembly (200) include knife rest (201), cleaning blade (202), sealing blade (203), sealing felt (204), knife rest (201) fixed mounting in useless powder storehouse (300) upper end, cleaning blade (202) with knife rest (201) side by side connection, just knife rest (201) are provided with sealing foam pad (205) with cleaning blade (202) below, sealing blade (204) joint in cleaning blade (202) both ends, sealing blade (203) fixed mounting is in sealing felt (204) top, powder storehouse (300) are equipped with powder guide groove (301) both ends.

2. The waste bin of claim 1, wherein: the depth of the powder guiding groove (301) is 2 mm.

3. The waste bin of claim 1, wherein: the gradient of the powder guiding groove (301) is 45 degrees.

4. The waste bin of claim 1, wherein: the section of the powder guiding groove (301) is trapezoid.

5. The waste bin of claim 1, wherein: the surface roughness of the powder guiding groove (301) is 1.6 mu m.

6. The waste bin of claim 1, wherein: a limiting block (302) is arranged above one side of the powder guiding groove (301).