CN217846897U

CN217846897U - Novel printer developing roller

Info

Publication number: CN217846897U
Application number: CN202222324563.9U
Authority: CN
Inventors: 谭尧祖
Original assignee: Zhuhai Finico Technology Co ltd
Current assignee: Zhuhai Finico Technology Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2022-11-18
Anticipated expiration: 2032-08-30

Abstract

The utility model provides a novel printer developer roll, which comprises a supporting column, the bearing frame, the fixed box, the screw thread lead screw, ball nut, fly leaf and scraper blade, the support column runs through and installs the second connecting seat, the terminal surface is connected with the bearing frame around the second connecting seat, the terminal surface is connected with first connecting seat around the bearing frame, install the developer roll body between the first connecting seat is treated, the fixed box is fixed at the support column up end, the movable hole has been seted up to both ends face around the fixed box, the fixed box up end is fixed with driving motor, driving motor installs the screw thread lead screw at the output, driving motor up end time relay has been installed, screw thread anchor ring outside cover is equipped with ball nut, be fixed with the fly leaf between the ball nut, the terminal surface is fixed with the scraper blade under the fly leaf, this design sets up the clean structure that corresponds, can clean the carbon dust that glues at the developer roll surface, increase the life of developer roll.

Description

Novel printer developing roller

Technical Field

The utility model relates to a novel printer developer roll belongs to the printer field.

Background

Printers are one of the output devices of computers, and are used for printing the processing result of the computer on the relevant medium, and the types of the printers are various, and the printers are classified into impact printers and non-impact printers according to whether the printing element has impact action on the paper or not. Full-font character printers and dot matrix character printers are classified according to the character structure to be printed. A line printer is divided into a serial printer and a line printer in such a manner that a line character is formed on a paper. According to the adopted technology, the printer is divided into a column type, a spherical type, an ink jet type, a thermal type, a laser type, an electrostatic type, a magnetic type, a light emitting diode type and the like.

Chinese patent No.: CN215679045U discloses a novel laser printer developer roll structure, this technical scheme is through with the metal axle center split into the main shaft body and two connecting axles, during the installation, fix two connecting axles in the selenium drum, and the rubber layer is installed on the main shaft body, when needs dismantle the rubber layer clean, with the fixed establishment unblock, can will make the main shaft body and connecting axle separation, and then with the main shaft body take out can, extremely convenient, efficiency when improving clean, but this design does not set up corresponding clean structure, the carbon dust glues on the developer roll surface under the long-time use, the life of developer roll has been reduced, need a novel printer developer roll to solve the problem that the aforesaid appears now urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel printer developer roll to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure, this design sets up the clean structure that corresponds, can clean the carbon dust that glues on the developer roll surface, increases the life of developer roll.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a novel developing roller of a printer comprises a supporting column, a bearing seat and a mechanism convenient to clean, wherein a second connecting seat is installed in the supporting column in a penetrating mode, the front end face and the rear end face of the second connecting seat are connected with the bearing seat, the front end face and the rear end face of the bearing seat are connected with a first connecting seat, a developing roller body is installed between the first connecting seats, and the upper end face of the supporting column is provided with the mechanism convenient to clean;

the convenient-to-clean mechanism comprises a fixed box body, a threaded screw rod, a ball nut, a movable plate and a scraper plate, wherein the fixed box body is fixed on the upper end surface of a support column, movable holes are formed in the front end surface and the rear end surface of the fixed box body, a driving motor is fixed on the upper end surface of the fixed box body, the output end of the driving motor is provided with the threaded screw rod, and the upper end surface of the driving motor is provided with a time relay;

the scraper is characterized in that ball nuts are sleeved on the outer side of the ring surface of the threaded screw rod, a movable plate is fixed between the ball nuts, and a scraper plate is fixed on the lower end surface of the movable plate.

Furthermore, the outer side of the ring surface of the bearing seat is provided with external threads, and internal thread holes are formed between the first connecting seat and the second connecting seat.

Furthermore, the inner diameter of the internal thread hole is equal to the outer diameter of the external thread, and the internal thread hole and the external thread are attached to each other and rotatably connected.

Furthermore, the outer diameter of the threaded screw rod is equal to the inner diameter of the output end of the driving motor, the threaded screw rod and the driving motor are fixedly connected in a fit mode, and a rotating bearing is arranged between the threaded screw rod and the fixed box body.

Furthermore, the outer diameter of the threaded screw rod is equal to the inner diameter of the ball nut in size, and the threaded screw rod and the ball nut are attached to each other and are connected in a rotating mode.

Further, the specification of activity hole with the specification phase-match of fly leaf, and both laminating sliding connection mutually.

Further, the input end of the driving motor is connected to the output end of the time relay through a lead.

The utility model has the advantages that: the utility model discloses a novel printer developer roll, because of the utility model discloses added fixed box, screw lead screw, ball nut, fly leaf and scraper blade, this design sets up corresponding clean structure, can clean the carbon dust that glues on the developer roll surface, increases the life of developer roll, has solved original novel laser printer developer roll structure and has not set up corresponding clean structure, and the carbon dust glues and glues on the developer roll surface under the long-time use, has reduced the problem of the life of developer roll.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of the overall structure of a novel developing roller of a printer according to the present invention;

FIG. 2 is a front cross-sectional view of a novel printer developer roll of the present invention;

FIG. 3 is a partial structural view of a developing roller of the printer of the present invention;

in the figure: the developing roller comprises a developing roller body 1, a first connecting seat 2, a second connecting seat 3, a bearing seat 4, a cleaning-facilitating mechanism 5, a movable hole 51, a driving motor 52, a time relay 53, a fixed box 54, a threaded screw rod 55, a ball nut 56, a movable plate 57, a scraper 58 and a support column 6.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1-3, the present invention provides a technical solution: a novel developing roller of a printer comprises a supporting column 6, a bearing seat 4 and a mechanism 5 convenient to clean, wherein the supporting column 6 is provided with a second connecting seat 3 in a penetrating way, the front end surface and the rear end surface of the second connecting seat 3 are connected with the bearing seat 4, the front end surface and the rear end surface of the bearing seat 4 are connected with a first connecting seat 2, a developing roller body 1 is arranged between the first connecting seats 2, and the upper end surface of the supporting column 6 is provided with the mechanism 5 convenient to clean;

the cleaning mechanism 5 comprises a fixed box body 54, a threaded screw rod 55, a ball nut 56, a movable plate 57 and a scraper 58, wherein the fixed box body 54 is fixed on the upper end surface of the support column 6, movable holes 51 are formed in the front end surface and the rear end surface of the fixed box body 54, a driving motor 52 is fixed on the upper end surface of the fixed box body 54, the threaded screw rod 55 is installed at the output end of the driving motor 52, and a time relay 53 is installed on the upper end surface of the driving motor 52;

the ball nut 56 is sleeved on the outer side of the annular surface of the threaded screw 55, the movable plate 57 is fixed between the ball nuts 56, the scraper 58 is fixed on the lower end surface of the movable plate 57, the corresponding cleaning structure is arranged in the design, carbon powder adhered to the surface of the developing roller can be cleaned, and the service life of the developing roller is prolonged.

As the utility model discloses a send out first embodiment: the outer side of the ring surface of the bearing seat 4 is provided with an external thread, an internal thread hole is formed between the first connecting seat 2 and the second connecting seat 3, the inner diameter of the internal thread hole is equal to the outer diameter of the external thread, and the internal thread hole and the external thread are jointed and rotationally connected with each other, so that the developing roller body 1 can be detached from the second connecting seat 3 through the matching use of the external thread and the internal thread hole, and the developing roller body 1 can be conveniently replaced by a worker;

the input end of the driving motor 52 is connected to the output end of the time relay 53 through a lead, the design controls the running time of the driving motor 52 through the time relay 53, the scraping plate 58 is prevented from scraping the developing roller body 1 for too long time to damage the surface structure of the developing roller body, the outer diameter of the threaded screw 55 is equal to the inner diameter of the output end of the driving motor 52, the threaded screw 55 and the driving motor 52 are jointed and fixedly connected, a rotating bearing is arranged between the threaded screw 55 and the fixed box 54, the outer diameter of the threaded screw 55 is equal to the inner diameter of the ball nut 56, the threaded screw 55 and the ball nut 56 are jointed and rotatably connected, the driving motor 52 drives the threaded screw 55 to rotate in the fixed box 54, so that the threaded screw and the ball nut 56 are matched for use, and the ball nut 56 moves up and down;

the specification of the movable hole 51 matches with the specification of the movable plate 57, and the movable plate 57 and the movable hole 57 are in fit sliding connection, and the movable plate 57 and the movable hole 51 can be in fit sliding connection.

As a second embodiment of the present invention: the working personnel connect the developing roller body 1, the driving motor 52 and the time relay 53 to an external power supply and an external controller through leads, when the toner on the surface of the developing roller body 1 needs to be cleaned, the driving motor 52 and the developing roller body 1 are opened at the moment, the driving motor 52 drives the threaded screw rod 55 to rotate, the threaded screw rod is matched and rotatably connected with the ball nut 56 in the fixed box 54, the ball nut 56 moves downwards at the moment, the movable plate 57 is driven to move downwards, the scraper blade 58 is in contact with the surface of the developing roller body 1, the driving motor 52 is closed, the toner on the surface of the developing roller body is cleaned by the scraper blade 58 along with the rotation of the developing roller body 1, the time relay 53 is opened at the moment, after the timing is completed, the time relay 53 sends an instruction to the driving motor 52, the driving motor 52 rotates reversely, the scraper blade 58 is driven to move upwards, and the surface structure of the developing roller body 1 is prevented from being damaged by scraping for a long time.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a novel printer developer roll, includes support column, bearing frame and the clean mechanism of being convenient for, its characterized in that: the developing roller comprises a supporting column, a first connecting seat, a developing roller body, a second connecting seat, a bearing seat, a first connecting seat, a developing roller body and a cleaning mechanism, wherein the supporting column is provided with the second connecting seat in a penetrating manner;

the convenient-to-clean mechanism comprises a fixed box body, a threaded screw rod, a ball nut, a movable plate and a scraper plate, wherein the fixed box body is fixed on the upper end surface of a support column, movable holes are formed in the front end surface and the rear end surface of the fixed box body, a driving motor is fixed on the upper end surface of the fixed box body, the output end of the driving motor is provided with the threaded screw rod, and a time relay is arranged on the upper end surface of the driving motor;

2. The novel developer roller for printers as claimed in claim 1, wherein: external threads are formed in the outer side of the ring surface of the bearing seat, and internal thread holes are formed between the first connecting seat and the second connecting seat.

3. The novel developer roller for printers as claimed in claim 2, wherein: the inner diameter of the internal thread hole is equal to the outer diameter of the external thread, and the internal thread hole and the external thread are attached to each other and connected in a rotating mode.

4. The novel developer roller for printers as defined in claim 1, wherein: the outer diameter of the threaded screw rod is equal to the inner diameter of the output end of the driving motor, the threaded screw rod and the driving motor are fixedly connected in a fit mode, and a rotating bearing is arranged between the threaded screw rod and the fixed box body.

5. The novel developer roller for printers as defined in claim 1, wherein: the outer diameter of the threaded screw rod is equal to the inner diameter of the ball nut in size, and the threaded screw rod and the ball nut are attached to each other and are rotationally connected.

6. The novel developer roller for printers as defined in claim 1, wherein: the specification of activity hole with the specification phase-match of fly leaf, and both laminating sliding connection mutually.

7. The novel developer roller for printers as claimed in claim 1, wherein: and the input end of the driving motor is connected to the output end of the time relay through a lead.