CN209842330U - Selenium drum protection device - Google Patents
Selenium drum protection device Download PDFInfo
- Publication number
- CN209842330U CN209842330U CN201921055390.7U CN201921055390U CN209842330U CN 209842330 U CN209842330 U CN 209842330U CN 201921055390 U CN201921055390 U CN 201921055390U CN 209842330 U CN209842330 U CN 209842330U
- Authority
- CN
- China
- Prior art keywords
- roller
- shell
- fixed
- connecting plate
- square rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000011669 selenium Substances 0.000 title claims abstract description 32
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229910052711 selenium Inorganic materials 0.000 title claims abstract description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 18
- 239000000843 powder Substances 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 7
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000002699 waste material Substances 0.000 claims description 6
- 230000001012 protector Effects 0.000 claims 5
- 230000002093 peripheral effect Effects 0.000 claims 3
- 206010070834 Sensitisation Diseases 0.000 abstract description 9
- 230000008313 sensitization Effects 0.000 abstract description 9
- 238000010009 beating Methods 0.000 abstract description 7
- 239000000919 ceramic Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Landscapes
- Discharging, Photosensitive Material Shape In Electrophotography (AREA)
Abstract
The utility model relates to a printing apparatus technical field, concretely relates to selenium drum protection device. The novel printing device comprises a housin, install the printing element in the casing, the equal hinge in both sides has connected the otic placode around the sensitization roller of printing element, connecting plate fixed connection is passed through to two otic placodes upper ends, first square pole lower extreme runs through the connecting plate and rather than sliding fit, first square pole upper end is fixed on the casing, the cover is equipped with the spring on the first square pole between casing and the connecting plate, the hinge is connected with the rope guide wheel on the left casing of first square pole, the casing upper end on first square pole right side is fixed to the one end of stay cord, the stay cord other end is passed and is walked around the rope guide wheel behind the elongated slot of the first square pole of connecting plate below and is connected with the balancing weight, the balancing weight upper end is fixed. The utility model discloses, the sensitization roller can go upward, when taking out the beating of beating printing paper that blocks, the beating of beating printing paper that blocks can not produce great frictional force with the sensitization roller, prevents that the sensitization roller from being damaged.
Description
Technical Field
The utility model relates to a printing apparatus technical field, concretely relates to selenium drum protection device.
Background
At present, the selenium drum can be mainly divided into three types: OPC selenium drum, Se selenium drum and ceramic selenium drum. In the service life, the OPC selenium drum is about 3000 pages generally, the Se selenium drum is 10000 pages generally, the ceramic selenium drum is 100000 pages generally, and most of the selenium drums seen in the market are OPC selenium drums. Secondly, according to the type difference, the selenium drum also can be divided into an integrated machine type and a separation type, and the difference of the two types lies in: integral type selenium drum needs to be changed whole selenium drum when changing the consumptive material, and the consumptive material of disconnect-type when changing, only need replace the toner cartridge can. The carbon powder in the selenium drum is the key of imaging in the printing process, the selenium drum is a cylinder coated with organic materials on the surface and is charged in advance, the transmitted data signals control the emission of laser, light rays scanned on the surface of the selenium drum are changed continuously, so that some places are irradiated, the resistance is reduced, the charges disappear, and other places are not irradiated by the light rays and still retain the charges, finally, the surface of the selenium drum forms a latent image formed by the charges, then the carbon powder in the selenium drum is fine resin particles with the charges, the polarities of the charges of the carbon powder are opposite to those of the charges on the surface of the selenium drum, when the surface of the selenium drum with the charges passes through the grinding roller, the toner particles are adsorbed on the parts with the charges, and then the latent image is changed into a real image. The existing devices mainly have the following problems: when a problem occurs, the paper is taken out, so that the photosensitive roller is easy to damage, and the defects of self-protection devices and the like are overcome.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a can carry out selenium drum protection device who protects to the selenium drum when card paper.
In order to realize the purpose, the utility model provides a technical scheme is:
a selenium drum protection device comprises a shell, a guide roller is hinged at the lower end of the shell, printing paper is arranged above the guide roller, a heater is fixed on the shell on one side of the guide roller and penetrates through the printing paper, a photosensitive roller is arranged above the guide roller, a waste powder collecting box with a collecting opening contacting with the outer edge of the photosensitive roller is arranged on one side of the photosensitive roller, a laser emitter is fixed on the shell above the waste powder collecting box, a carbon powder roller is arranged on the other side of the photosensitive roller, and a carbon powder box with a powder outlet contacting with the carbon powder roller is arranged above the carbon powder roller, and the selenium drum protection device is characterized in that ear plates are hinged at the front and the rear sides of the photosensitive roller, the upper ends of the two ear plates are fixedly connected through a connecting plate, the lower end of a first square rod penetrates through the connecting plate and is in sliding fit with the connecting plate, a long groove is arranged at the lower part of the first square rod, a clamping block, the shell on the left side of the first square rod is hinged with a rope guide wheel, one end of a pull rope is fixed at the upper end of the shell on the right side of the first square rod, the other end of the pull rope passes through an elongated slot of the first square rod below the connecting plate and then bypasses the rope guide wheel to be connected with a balancing weight, a second square rod parallel to the first square rod is fixed at the upper end of the balancing weight, and the upper end of the second square rod extends into a hole in the upper end of the shell.
Specifically, the front end and the rear end of the photosensitive roller are respectively connected with the two ends of the guide roller and the two ends of the carbon powder roller in a meshing manner.
Specifically, the outer edge of the photosensitive roller is in rolling contact with the outer edge of the carbon powder roller, the outer edge of the photosensitive roller is in rolling contact with the upper end of printing paper, and the lower end of the guide roller is in rolling contact with the lower end of the printing paper.
Specifically, a fixed rod is fixed between the two ear plates, a cleaning brush is fixed at the lower end of the fixed rod, and the cleaning brush is in contact with the outer edge of the photosensitive roller.
Specifically, the left end face and the right end face of the connecting plate are arc-shaped faces.
Specifically, the upper end of the second square rod is flush with the upper end face of the shell.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses, moreover, the steam generator is simple in structure, high durability and convenient operation, when the condition of card paper appears, the sensitization roller can extrude the spring and go upward, the balancing weight is down simultaneously, move down to the downthehole of casing upper end on the second square pole, make things convenient for maintenance personal to carry out troubleshooting, when the paper of card between guide roll and sensitization roller is taken out to needs, through the ejecting (like the refill), make the second ejector pin down, the stay cord passes through the connecting plate and the otic placode makes the sensitization roller go upward, later when taking out the beating paper that blocks, the beating paper that blocks can not produce great frictional force with the sensitization roller, the sensitization roller is damaged when taking out the beating paper that blocks.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a side view of the first square bar.
Detailed Description
As shown in fig. 1-2, a selenium drum protection device comprises a shell 6, a guide roller 2 is hinged at the lower end of the shell 6, printing paper 1 is arranged above the guide roller 2, a heater 3 is fixed on the shell 6 at one side of the guide roller 2, the printing paper 1 penetrates through the heater 3, a photosensitive roller 21 is arranged above the guide roller 2, a waste powder collecting box 4 with a collecting port contacted with the outer edge of the photosensitive roller 21 is arranged at one side of the photosensitive roller 21, a laser emitter 5 is fixed on the shell 6 above the waste powder collecting box 4, a carbon powder roller 19 is arranged at the other side of the photosensitive roller 21, a carbon powder box 20 with a powder outlet contacted with the carbon powder roller 19 is arranged above the carbon powder roller 19, the front end and the rear end of the photosensitive roller 21 are respectively connected with the two ends of the guide roller 2 and the two ends of the carbon powder roller 19 in a meshing manner, the outer edge of the photosensitive roller 21, the lower end of the guide roller 2 is in rolling contact with the lower end of the printing paper 1.
The front side and the rear side of the photosensitive roller 21 are hinged with the lug plates 9, the upper ends of the two lug plates 9 are fixedly connected through a connecting plate 14, and the left end surface and the right end surface of the connecting plate 14 are arc surfaces. A fixed rod 10 is fixed between the two ear plates 9, a cleaning brush 11 is fixed at the lower end of the fixed rod 10, the cleaning brush 11 is contacted with the outer edge of a photosensitive roller 21, the lower end of a first square rod 7 penetrates through a connecting plate 14 and is in sliding fit with the connecting plate, an elongated slot 12 is arranged at the lower part of the first square rod 7, a clamping block 13 is fixed at the lower end of the first square rod 7 at the front side and the rear side of the elongated slot 12, the upper end of the first square rod 7 is fixed on a shell 6, a spring 8 is sleeved on the first square rod 7 between the shell 6 and the connecting plate 14, a rope guide 16 is hinged on the shell 6 at the left side of the first square rod 7, one end of a pull rope 15 is fixed at the upper end of the shell 6 at the right side of the first square rod 7, the other end of the pull rope 15 passes through the elongated slot of the first square rod 7 below the connecting plate 14 and then bypasses the rope guide 16 to be, the upper end of the second square rod 18 is flush with the upper end face of the shell 1.
When a paper jam occurs between the guide roller 2 and the photosensitive roller 21, the compression spring 8 of the photosensitive roller 21 moves upwards along the length direction of the first square rod 7, so that a buffering effect can be achieved, the pull rope 15 is located in the long groove 12, meanwhile, the counterweight block 17 drives the second square rod 18 to move downwards, the upper end of the second square rod 18 is located in the hole in the upper end of the shell 6, at the moment, a user can judge whether the paper jam fault occurs in the printer according to the position of the upper end of the second square rod 18, the second ejector rod 18 moves downwards through a top piece (such as a pen core), the pull rope 15 moves upwards in the long groove 12, the photosensitive roller 21 moves upwards through the connecting plate 14 and the lug plate 9, then, in the process of taking out the jammed printing paper 1, the jammed printing paper 1 cannot generate large friction force with the photosensitive roller 21, and the photosensitive roller 21 is prevented from being damaged due to.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A selenium drum protection device comprises a shell (6), the lower end of the shell (6) is hinged with a guide roller (2), printing paper (1) is arranged above the guide roller (2), a heater (3) is fixed on the shell (6) on one side of the guide roller (2), the printing paper (1) penetrates through the heater (3), a photosensitive roller (21) is arranged above the guide roller (2), a waste powder collecting box (4) with a collecting port contacted with the outer edge of the photosensitive roller (21) is arranged on one side of the photosensitive roller (21), a laser emitter (5) is fixed on the shell (6) above the waste powder collecting box (4), a carbon powder roller (19) is arranged on the other side of the photosensitive roller (21), a carbon powder box (20) with a powder outlet contacted with the carbon powder box is arranged above the carbon powder roller (19), and the selenium drum protection device is characterized in that the front side and the rear side of the photosensitive roller (21) are hinged with lug plates (9), the upper ends of the two lug, the lower end of a first square rod (7) penetrates through a connecting plate (14) and is in sliding fit with the connecting plate, an elongated slot (12) is formed in the lower portion of the first square rod (7), clamping blocks (13) are fixed to the lower ends of the first square rod (7) on the front side and the rear side of the elongated slot (12), the upper end of the first square rod (7) is fixed to a shell (6), a spring (8) is sleeved on the first square rod (7) between the shell (6) and the connecting plate (14), a rope guide wheel (16) is hinged to the shell (6) on the left side of the first square rod (7), one end of a pull rope (15) is fixed to the upper end of the shell (6) on the right side of the first square rod (7), the other end of the pull rope (15) penetrates through the elongated slot of the first square rod (7) below the connecting plate (14) and then bypasses the rope guide wheel (16) to be connected with a balancing weight (17), a second square rod (18), the upper end of the second square rod (18) extends into the hole at the upper end of the shell (6).
2. A cartridge protector as defined in claim 1, wherein the front and rear ends of the photosensitive roller (21) are respectively engaged with the ends of the guide roller (2) and the ends of the toner roller (19).
3. A cartridge protector as claimed in claim 1, wherein the peripheral edge of the photosensitive roller (21) is in rolling contact with the peripheral edge of the toner roller (19), the peripheral edge of the photosensitive roller (21) is in rolling contact with the upper end of the printing paper (1), and the lower end of the guide roller (2) is in rolling contact with the lower end of the printing paper (1).
4. A cartridge protector as claimed in claim 1, wherein a fixing rod (10) is fixed between the two ear plates (9), a cleaning brush (11) is fixed at the lower end of the fixing rod (10), and the cleaning brush (11) is in contact with the outer edge of the photosensitive drum (21).
5. A cartridge protector according to claim 1, wherein the left and right end faces of the connecting plate (14) are arc-shaped faces.
6. The cartridge protector as claimed in claim 1, wherein the upper end of the second square bar (18) is flush with the upper end surface of the housing (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921055390.7U CN209842330U (en) | 2019-07-08 | 2019-07-08 | Selenium drum protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921055390.7U CN209842330U (en) | 2019-07-08 | 2019-07-08 | Selenium drum protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209842330U true CN209842330U (en) | 2019-12-24 |
Family
ID=68899524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921055390.7U Expired - Fee Related CN209842330U (en) | 2019-07-08 | 2019-07-08 | Selenium drum protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209842330U (en) |
-
2019
- 2019-07-08 CN CN201921055390.7U patent/CN209842330U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191224 |