CN110682698B

CN110682698B - Office needle printer capable of preventing dirt accumulation

Info

Publication number: CN110682698B
Application number: CN201910938262.5A
Authority: CN
Inventors: 陈锦亮; 张婷婷
Original assignee: Individual
Current assignee: Hefei Wenyuan Printing Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2021-03-09
Anticipated expiration: 2039-09-30
Also published as: CN110682698A; CN112895740A

Abstract

The invention discloses a needle printer for preventing dirt accumulation for office use, which structurally comprises a paper outlet tray, a paper outlet, a machine body, a paper inlet tray, a paper inlet, an operating panel, a paper feeding roller and a roller rotating shaft, wherein the paper outlet tray is arranged at the outer end of the paper outlet, the machine body is provided with the paper outlet, the paper inlet and the operating panel, the paper inlet tray is arranged outside the paper inlet, the paper feeding roller is arranged inside the machine body and is arranged close to one side of the paper inlet, the paper feeding roller is connected in a rolling way through the roller rotating shaft, the expansion disc and the slip ring are matched with the cylinder and the guide pipe by using the telescopic ring and the slip ring, the cylinder extends the slip ring to horizontally slide along the paper feeding roller, and the sponge on the inner surface of the slip ring is soaked by alcohol in the guide pipe, so that the paper feeding roller is not subjected to secondary pollution caused by cotton residue during cleaning, and the paper feeding roller is not required to be detached for internal cleaning.

Description

Office needle printer capable of preventing dirt accumulation

Technical Field

The invention relates to the field of office equipment, in particular to a needle printer for preventing dirt accumulation in office.

Background

The printer is one of the output devices of the computer, is used for printing the result of computer processing on the relevant medium, the paper feed cylinder is regarded as the conveying part of the printer, draw the paper from the paper trough to the inside of the printer, but in this process, the oil and dust stained on the paper will deposit on the cylinder too, will not wash and cause the card paper and paper feed mistake for a long time, and most of the existing cleaning methods are to wash these deposits with cotton ball or wet cloth soaked with alcohol, because the washing material is cotton yarn products, the cotton wadding is apt to secondary pollution in washing, cause the cleaning improperly, meanwhile, because the paper feed cylinder interval limits in washing, need to dismantle the paper feed cylinder, the operation is tedious and reduces the efficiency.

Disclosure of Invention

The invention aims to provide an office pollution-accumulation-preventing needle printer, which is used for solving the technical problems that oil and dust stained on paper can be deposited on a roller and cannot be cleaned for a long time to cause paper jam and paper feeding errors, most of the existing cleaning modes use cotton clusters soaked by alcohol or wet cloth to clean the deposits, cotton wool is easy to pollute secondarily during cleaning because the cleaning materials are cotton yarn products, and meanwhile, the paper feeding roller needs to be detached due to the limitation of gaps of the paper feeding roller during cleaning, so that the operation is complicated and the efficiency is reduced.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an official working is with antifouling deposit's pin printer, its structure includes paper outlet tray, exit slot, organism, paper feed tray, paper feed mouth, operating panel, form advancing cylinder, cylinder pivot, the outer end of exit slot is located to paper outlet tray, be equipped with exit slot and paper feed mouth, operating panel on the organism, the externally mounted of paper feed mouth has paper feed tray, the inside of organism is provided with the cylinder of form advancing and leans on paper feed mouth side-mounting, the cylinder of form advancing passes through cylinder pivot roll connection, the left and right sides is equipped with relatively on the cylinder of form advancing and expands and close disc and hysteresis loop.

Preferably, the expansion disc comprises a telescopic ring, a sliding ring, a cylinder and a guide pipe, the telescopic ring is connected with the sliding ring through the cylinder, and the sliding ring is communicated with the telescopic ring through the guide pipe.

Preferably, the inside of the telescopic ring is coaxial with the roller rotating shaft.

Preferably, the telescopic ring comprises a deflector and a fixed ring, wherein the deflector is in a triangular structure with an arc inclined surface and is fixed on the outer surface of the rotary shaft of the roller through the welded fixed ring.

Preferably, the roller rotating shaft is matched with a spring plate, an expansion ring and a rotating center core, the spring plate is arc-shaped and is arranged between the expansion ring and the roller rotating shaft, and one end of the spring plate is fixed outside the roller rotating shaft.

Preferably, the guide pipes are more than two and are uniformly distributed in the inner part of the telescopic ring in a circumferential mode and communicated with the deflection plate.

Preferably, the fixing ring is fixed to an outer circumferential surface of the expansion ring.

Preferably, the telescopic ring and the slip ring are circularly sleeved on the paper feeding roller, and one surface of the slip ring, which is in contact with the paper feeding roller, is filled with sponge, and the sponge is used for absorbing alcohol.

Preferably, the guide pipe is of a telescopic throat pipe structure and is matched with the cylinder to realize the telescopic lengthening function.

Preferably, the number of the deflection plates is two or more, and the deflection plates are uniformly and densely distributed on the circumferential surface of the expansion ring, so that the expansion ring rotates in a roller manner.

Preferably, the hysteresis mainly functions to stop the slip ring cleaning along the feed roller.

Preferably, the cylinder is controlled by a driving system inside the machine body and is operated through an operation panel.

Compared with the prior art, the invention has the following beneficial effects:

1. the expansion disc of the invention utilizes the telescopic ring and the slip ring to match the cylinder and the guide pipe, the cylinder extends the slip ring to horizontally slide along the paper feeding roller, and the alcohol in the guide pipe soaks the sponge on the inner layer surface of the slip ring, so that the paper feeding roller can not have cotton residue to cause secondary pollution when being cleaned, and the paper feeding roller does not need to be detached for internal cleaning.

2. In order to realize the cleaning of the paper feeding roller, the slip ring of the paper feeding roller is inevitably in full contact with the surface of the paper feeding roller, and in a working chamber of the paper feeding roller, a sponge layer can be abraded by the relative friction generated between the slip ring and the slip ring, which is not beneficial to cleaning.

Drawings

FIG. 1 is a schematic structural diagram of a stylus printer for preventing office contamination.

Fig. 2 is a schematic structural view of the paper feed roller of the present invention.

FIG. 3 is a schematic structural diagram of the expanding disc of the present invention.

FIG. 4 is a schematic view of the extended structure of the diffusion disk of the present invention.

Fig. 5 is a schematic view of the internal structure of the telescopic ring of the present invention.

FIG. 6 is a schematic view of the internal structure of the drum shaft according to the present invention.

In the figure: paper output tray 1, paper output port 2, machine body 3, paper input tray 4, paper input port 5, operation panel 6, paper feed roller 7, roller rotating shaft 8, expanding disc 71, hysteresis 72, telescopic ring 1a, slip ring 1b, cylinder 1c, guide pipe 1d, deflector plate a1, fixing ring a2, spring plate 81, expanding ring 82 and rotating center core 83.

Detailed Description

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on or indirectly connected to the other element, and when an element is referred to as being "connected to" the other element, it can be directly connected to or indirectly connected to the other element.

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Examples

As shown in fig. 1-6, the invention provides a needle printer for preventing office from dirt accumulation, which comprises a paper output tray 1, a paper output port 2, a machine body 3, a paper input tray 4, a paper input port 5, an operation panel 6, a paper input roller 7 and a roller rotating shaft 8, wherein the paper output tray 1 is arranged at the outer end of the paper output port 2, the machine body 3 is provided with the paper output port 2, the paper input port 5 and the operation panel 6, the paper input port 5 is externally provided with the paper input tray 4, the machine body 3 is internally provided with the paper input roller 7 and is arranged close to one side of the paper input port 5, the paper input roller 7 is connected in a rolling way through the roller rotating shaft 8, the paper input roller 7 is provided with a folding disc 71 and a hysteresis ring 72 at the left side and the right side opposite to each other, the folding disc 71 is composed of a telescopic ring 1a, a slip ring 1b, a cylinder 1c and a guide pipe 1d, the telescopic ring 1a is connected with a slip ring, the slip ring 1b is communicated with the telescopic ring 1a through a guide pipe 1d, the inside of the telescopic ring 1a is coaxial with the roller rotating shaft 8, the telescopic ring 1a comprises a deflection plate a1 and a fixing ring a2, the deflection plate a1 is of a triangular structure with an arc-shaped inclined plane and is fixed on the outer surface of the roller rotating shaft 8 through the welded fixing ring a2, the roller rotating shaft 8 is matched with an elastic sheet 81, an expansion ring 82 and a transfer core 83, the elastic sheet 81 is arc-shaped, the elastic sheet 81 is arranged between the expansion ring 82 and the roller rotating shaft 8, one end of the elastic sheet 81 is fixed outside the roller rotating shaft 8, the internal cleaning of the paper feeding roller 7 is realized, and the friction damage of the slip ring 1b is reduced.

More than two guide pipes 1d are arranged and are evenly distributed in the inner part of the telescopic ring 1a in a circumferential manner and communicated with the deflecting plate a1, the fixed ring a2 is fixed on the outer circumference of the expansion ring 82, the telescopic ring 1a and the slip ring 1b are circularly sleeved on the paper feeding roller 7, the surface of the slip ring 1b contacting the paper feeding roller 7 is filled with sponge, the sponge is used for absorbing alcohol, the conduit 1d is of a telescopic throat pipe structure and is matched with the cylinder 1c to realize the telescopic lengthening function, more than two deflection plates a1 are arranged, and is uniformly and densely distributed on the circumferential surface of the expansion ring 82, so that the expansion ring 1a rotates in a roller type, the hysteresis 72 mainly functions to stop the slip ring 1b cleaned along the feed roller 7, the cylinder 1c is controlled by a driving system inside the machine body 3 and operated through the operation panel 6, so that the internal cleaning effect is effectively improved and secondary pollution is not caused.

The following describes in detail the implementation of the office waste-accumulation-preventing stylus printer provided by the present invention:

when the printer works, the paper feeding roller 7 is started, paper is continuously fed, because the paper feeding tray 4 is normally opened, the paper on the surface is difficult to avoid accumulating more dust, when the paper is fed, the dust on the paper is attached to the paper feeding roller 7, the paper feeding roller 7 needs to be cleaned irregularly, and paper feeding jam is prevented, the invention improves the structural design of the traditional paper feeding roller 7, the expansion disc 71 is arranged at one end of the paper feeding roller 7 close to the roller rotating shaft 8, and the expansion disc 71 mainly comprises an expansion ring 1a and a slip ring 1 b;

when the paper feeding roller 7 works, the middle rotating core 83 rotates, centrifugal force generated by the roller rotating shaft 8 under high-speed rotation causes the elastic sheet 81 at the outer ends of the expansion ring 82 and the roller rotating shaft 8 to throw away, at the moment, the diameter of the expansion ring 82 is expanded to abut against the deflecting plate a1, the diameter of the expansion ring 1a is expanded under the action of the deflecting plate a1, and as the expansion ring 1a and the sliding ring 1b are fixed together by the cylinder 1c, the sliding ring 1b is influenced by the expansion of the diameter of the expansion ring 1a, when the paper feeding roller 7 works, the two rings are in clearance fit with the paper feeding roller 7 by contact fit, and friction damage caused by rotation is avoided;

when the paper feeding roller 7 does not work, the cylinder 1c is started, the sliding ring 1b horizontally moves along the outer surface of the paper feeding roller 7 under the action of the starting cylinder 1c, in the moving process, the guide pipe 1d is continuously pulled to be lengthened, a filling cavity is arranged between the matching of the deflecting plate a1 and the guide pipe 1d, alcohol is filled in the filling cavity, the filling cavity is extruded to extrude the alcohol from the guide pipe 1d when the diameter of the expanding ring 82 is enlarged, then a sponge layer in the sliding ring 1b is soaked, the cleaning efficiency is improved, and the sliding ring 1b resets until the sliding ring 1b moves to the position of the hysteresis ring 72.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

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.

Claims

1. The utility model provides an official working is with preventing filth deposit's stylus printer which characterized in that: the paper feeding device structurally comprises a paper discharging tray (1), a paper discharging port (2), a machine body (3), a paper feeding tray (4), a paper feeding port (5), an operation panel (6), a paper feeding roller (7) and a roller rotating shaft (8), wherein the paper discharging tray (1) is arranged at the outer end of the paper discharging port (2), the machine body (3) is provided with the paper discharging port (2), the paper feeding port (5) and the operation panel (6), the paper feeding tray (4) is arranged outside the paper feeding port (5), the machine body (3) is internally provided with the paper feeding roller (7) and is arranged close to one side of the paper feeding port (5), the paper feeding roller (7) is in rolling connection through the roller rotating shaft (8), and the left side and the right side of the paper feeding roller (7) are relatively provided with an expanding disc (71) and a hysteresis ring (72);

the expanding disc (71) is composed of a telescopic ring (1 a), a sliding ring (1 b), an air cylinder (1 c) and a guide pipe (1 d), the telescopic ring (1 a) is connected with the sliding ring (1 b) through the air cylinder (1 c), the sliding ring (1 b) is communicated with the telescopic ring (1 a) through the guide pipe (1 d), the inside of the telescopic ring (1 a) is coaxial with the roller rotating shaft (8), the telescopic ring (1 a) comprises a deflection plate (a 1) and a fixed ring (a 2), the deflection plate (a 1) is of a triangular structure with an arc inclined surface and is fixed on the outer surface of the roller rotating shaft (8) through a welded fixed ring (a 2), the roller rotating shaft (8) is matched with an elastic sheet (81), an expansion ring (82) and a transfer core (83), the elastic sheet (81) is arc-shaped, and the elastic sheet (81) is arranged between the expansion ring (82) and the roller rotating shaft (8), one end of the elastic sheet (81) is fixed outside the roller rotating shaft (8), more than two guide pipes (1 d) are arranged and are uniformly distributed in the telescopic ring (1 a) in a circumferential manner to be communicated with the deflection plate (a 1), the fixed ring (a 2) is fixed on the outer circumferential surface of the expansion ring (82), the telescopic ring (1 a) and the sliding ring (1 b) are circularly sleeved on the paper feeding roller (7), one surface of the sliding ring (1 b) contacting the paper feeding roller (7) is filled with sponge, and the hysteresis ring (72) mainly plays a role in stopping the sliding ring (1 b) cleaned along the paper feeding roller (7);

the expansion disc is matched with the cylinder and the guide pipe by using the telescopic ring and the sliding ring, the cylinder is extended to enable the sliding ring to horizontally slide along the paper feeding roller, and the sponge on the inner layer surface of the sliding ring is soaked by alcohol in the guide pipe, so that the paper feeding roller is not subjected to secondary pollution caused by cotton residue during cleaning, and the operation mode is internal cleaning without dismounting the paper feeding roller;

in order to realize the cleaning of the paper feeding roller, the cylinder is fixed on the outer layer surface of the telescopic ring and the sliding ring, the deflecting plate, the fixing ring, the elastic sheet, the expansion ring and the transfer core are arranged in the telescopic ring, the elastic sheet is thrown out due to the centrifugal force generated by the elastic sheet when the transfer core rotates, so that the diameter of the expansion ring is increased, the telescopic ring and the sliding ring are not in contact with the paper feeding roller under the action of the deflecting plate, and the condition that the cleaning is improper due to the friction in the rotation is avoided.