CN220605968U - Paper feeding mechanism of scanner - Google Patents
Paper feeding mechanism of scanner Download PDFInfo
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- CN220605968U CN220605968U CN202322322243.4U CN202322322243U CN220605968U CN 220605968 U CN220605968 U CN 220605968U CN 202322322243 U CN202322322243 U CN 202322322243U CN 220605968 U CN220605968 U CN 220605968U
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- conveying rollers
- shell
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- paper
- paper feeding
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- 230000007246 mechanism Effects 0.000 title claims abstract description 16
- 238000003825 pressing Methods 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 18
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000123 paper Substances 0.000 description 60
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012634 optical imaging Methods 0.000 description 2
- 239000011087 paperboard Substances 0.000 description 2
- 230000004075 alteration Effects 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
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Delivering By Means Of Belts And Rollers (AREA)
Abstract
The utility model relates to a paper feeding mechanism of a scanner, which comprises a shell, wherein a paper feeding plate is arranged on the left side of the shell, a paper feeding structure is arranged in the shell, a scanning structure is also arranged in the shell, and a paper discharging plate is arranged on the right side of the shell; the paper feeding structure comprises four conveying rollers, a rotating structure for driving the four conveying rollers to rotate simultaneously is arranged on the shell, a pressing roller for pressing paper on the conveying rollers is further arranged on the shell, a driving motor is fixed on the shell, an output shaft of the driving motor and the end part of the conveying rollers are driven by a belt driving piece, the middle part of the driving motor and the end part of the conveying rollers are driven by a belt driving piece, and the left part of the driving motor and the right part of the conveying rollers are driven by a gear connecting piece. The rotary structure realizes that the same driving source drives the plurality of conveying rollers to rotate simultaneously, is energy-saving and more environment-friendly, and the pressing rollers press the paper on the conveying rollers, thereby being beneficial to improving the conveying efficiency of the paper.
Description
Technical Field
The utility model relates to the technical field of scanners, in particular to a paper feeding mechanism of a scanner.
Background
A scanner is an input device widely used in computers. As an optoelectronic, mechano-integrated high-tech product, rapid development and wide spread have been achieved since the advent of its unique digital image acquisition capability, low cost and excellent performance.
It can be seen from the figure that the scanner mainly comprises a housing, a paper feeding plate, a paper conveying part, an optical imaging part and a paper discharging plate, paper enters the housing through the paper feeding plate, and is conveyed to the optical imaging part for scanning imaging by the paper conveying part, and then discharged through the paper discharging plate, and when the paper is conveyed by the existing paper conveying part, a plurality of conveying rollers are driven to rotate by a plurality of driving sources, so that the paper is fed, the number of the driving sources is more, the production cost of the scanner is higher, and therefore, the paper feeding mechanism of the scanner is provided to solve the problems.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a paper feeding mechanism of a scanner, which has the advantages that the same driving source drives four conveying rollers to rotate simultaneously, so that the cost is saved, and the like, and solves the problems that when the existing paper conveying part conveys paper, a plurality of driving sources are usually utilized to drive a plurality of conveying rollers to rotate, so that the paper is fed, the number of the driving sources is more, and the production cost of the scanner is higher.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the paper feeding mechanism of the scanner comprises a shell, wherein a paper feeding plate is arranged on the left side of the shell, a paper feeding structure is arranged in the shell, a scanning structure is also arranged in the shell, and a paper discharging plate is arranged on the right side of the shell;
the paper feeding structure comprises four conveying rollers, a rotating structure for driving the four conveying rollers to rotate simultaneously is arranged on the shell, a pressing roller for pressing paper on the conveying rollers is further arranged on the shell, a driving motor is fixed on the shell, an output shaft of the driving motor and the end part of the conveying rollers are driven by a belt driving piece, the middle part of the driving motor and the end part of the conveying rollers are driven by a belt driving piece, and the left part of the driving motor and the right part of the conveying rollers are driven by a gear connecting piece.
Further, the belt driving piece comprises three driving wheels, the outer surfaces of the three driving wheels are jointly driven with a driving belt, and the three driving wheels are respectively fixed on the output shaft of the driving motor and the front ends of the two conveying rollers on the right side.
Further, the belt transmission part comprises two belt pulleys, a transmission belt is transmitted on the outer surfaces of the two belt pulleys, and the two belt pulleys are respectively fixed at the rear ends of the two conveying rollers in the middle.
Further, two pressing wheels for respectively pressing the driving belt and the driving belt are arranged on the shell.
Further, the gear connecting piece comprises three connecting gears, wherein adjacent connecting gears are in a meshed state, and the three connecting gears are respectively arranged at the rear ends of the two conveying rollers at the left side and on the shell.
Further, two position sensors are arranged on the shell.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
1. the paper feeding mechanism of the scanner, the output shaft of the driving motor rotates, the two conveying rollers on the right side can synchronously rotate due to the transmission effect of the belt driving piece, the two conveying rollers on the middle side can synchronously rotate due to the transmission effect of the belt driving piece, and the two conveying rollers on the left side can synchronously rotate due to the transmission effect of the gear connecting piece, so that the four conveying rollers can synchronously rotate, the fact that the same driving source drives a plurality of conveying rollers to rotate simultaneously is achieved, energy is saved, the environment is protected, the paper is tightly pressed on the conveying rollers by the pressing rollers, the conveying efficiency of the paper is improved, and the integral scanning efficiency is improved.
2. When the paper is conveyed by the two conveying rollers on the right side, the two groups of scanning structures can scan the paper, and the two position sensors are arranged on the shell and used for detecting the position of the paper.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a belt drive in a rotary configuration according to the present utility model;
FIG. 3 is a schematic illustration of the position of a belt drive and gear connection in a rotary configuration of the present utility model;
fig. 4 is an external view of the structure of the present utility model.
In the figure: 1. a housing; 2. feeding paper boards; 3. a paper feeding structure; 301. a conveying roller; 302. a rotating structure; 3021. a driving motor; 3022. a driving wheel; 3023. a drive belt; 3024. a belt pulley; 3025. a transmission belt; 3026. a connecting gear; 303. a pinch roller; 4. a scanning structure; 5. outputting a paperboard; 6. a position sensor.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.
Referring to fig. 1-4, a paper feeding mechanism of a scanner in the present embodiment includes a housing 1, a paper feeding plate 2 is disposed on the left side of the housing 1, a paper feeding structure 3 is disposed in the housing 1, a scanning structure 4 is disposed in the housing 1, and a paper discharging plate 5 is disposed on the right side of the housing 1.
The paper is fed into the housing 1 through the paper feeding plate 2, is fed into the scanning structure 4 through the paper feeding structure 3, is scanned by the scanning structure 4, and is then fed out to the paper discharging plate 5.
In this embodiment, the paper feeding structure 3 includes four conveying rollers 301, a rotating structure 302 for driving the four conveying rollers 301 to rotate simultaneously is provided on the casing 1, and a pinch roller 303 for pinching paper onto the conveying rollers 301 is also provided on the casing 1.
The rotary structure 302 realizes that the same driving source drives the plurality of conveying rollers 301 to rotate simultaneously, so that the energy is saved, the environment is protected, the paper is pressed on the conveying rollers 301 by the pressing rollers 303, the conveying efficiency of the paper is improved, and the integral scanning efficiency is improved.
As a specific structure of the rotating structure 302, as shown in fig. 3 to 4, a driving motor 3021 is fixed on the housing 1, an output shaft of the driving motor 3021 and end portions of the two conveying rollers 301 on the right side are driven by a belt driving member, the two conveying rollers 301 on the middle side are driven by a belt driving member, and the two conveying rollers 301 on the left side are driven by a gear connecting member.
The output shaft of the driving motor 3021 rotates, and the two conveying rollers 301 on the right side can rotate synchronously due to the transmission effect of the belt driving member, and the two conveying rollers 301 on the middle side can also rotate synchronously due to the transmission effect of the belt driving member, and the two conveying rollers 301 on the left side can also rotate synchronously due to the transmission effect of the gear connecting member, so that the four conveying rollers 301 can rotate synchronously.
The belt driving member includes three driving wheels 3022, the outer surfaces of the three driving wheels 3022 are commonly driven with a driving belt 3023, and the three driving wheels 3022 are respectively fixed to the output shaft of the driving motor 3021 and the front ends of the two conveying rollers 301 on the right side.
The output shaft of the driving motor 3021 rotates, and the right two conveying rollers 301 can synchronously rotate due to the transmission action of the driving wheel 3022 and the driving belt 3023.
The belt transmission member includes two pulleys 3024, the outer surfaces of the two pulleys 3024 are transmitted with a transmission belt 3025, and the two pulleys 3024 are fixed to the rear ends of the two conveying rollers 301 in the middle, respectively.
When the two right conveying rollers 301 rotate, the two middle conveying rollers 301 can also synchronously rotate due to the transmission action of the belt pulley 3024 and the transmission belt 3025.
The casing 1 is further provided with two pressing wheels for respectively pressing the driving belt 3023 and the driving belt 3025, and the pressing wheels are used for adjusting the tension of the belt, and the arrangement manner is a conventional technical means known to the public, which is not described in detail herein.
The gear connection piece includes three connection gears 3026, the adjacent connection gears 3026 are in a meshed state, the three connection gears 3026 are respectively disposed at the rear ends of the two left conveying rollers 301 and on the housing 1, the connection gears 3026 disposed on the housing 1 are rotatably disposed on the housing 1 through a rotation shaft, and the two connection gears 3026 disposed at the rear ends of the two left conveying rollers 301 are respectively fixed at the rear ends of the two left conveying rollers 301.
When the middle two conveying rollers 301 rotate, the adjacent connecting gears 3026 are in engagement, so that the left two conveying rollers 301 can rotate synchronously.
In addition, the scanning structure 4 is two upper and lower groups, and is used for scanning the front and back of the paper respectively, and two conveying rollers 301 on the right side are located between the two groups of scanning structures 4, when the paper is conveyed by the two conveying rollers 301 on the right side, the two groups of scanning structures 4 can scan the paper, and the two position sensors 6 are arranged on the shell 1 and used for detecting the position of the paper, and when the position sensors 6 detect the paper, the scanning structure 4 is started to scan the paper again, so that the scanning accuracy is improved.
The scanning structure 4 is a scanning head, i.e. an image information reading part, and how the scanning head performs scanning is a conventional technical means known to the public in the art, and will not be described in detail herein.
By adopting the paper feeding mechanism of the scanner, the same driving source is realized to drive the conveying rollers 301 to rotate simultaneously, so that the energy is saved, the environment is protected, and the specific working principle is as follows:
the paper is fed into the shell 1 through the paper feeding plate 2, and is fed into the scanning structure 4 through the paper feeding structure 3, and when the position sensor 6 detects the paper, the paper is scanned through the scanning structure 4 and is fed out to the paper discharging plate 5;
when paper is conveyed through the paper conveying structure 3, the output shaft of the driving motor 3021 rotates, due to the transmission effect of the driving wheel 3022 and the driving belt 3023, the two conveying rollers 301 on the right side can synchronously rotate, due to the transmission effect of the belt pulley 3024 and the driving belt 3025, the two conveying rollers 301 on the middle part can synchronously rotate, and finally, due to the fact that the adjacent connecting gears 3026 are in the meshed state, the two conveying rollers 301 on the left side can synchronously rotate, therefore, the four conveying rollers 301 can synchronously rotate to convey the paper, and the pressing roller 303 presses the paper on the conveying rollers 301, conveying efficiency of the paper is improved, and accordingly overall scanning efficiency is improved.
The control mode of the utility model is controlled by the controller, the control circuit of the controller can be realized by simple programming by a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the utility model is mainly used for protecting the mechanical device, so the utility model does not explain the control mode and circuit connection in detail.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The paper feeding mechanism of the scanner is characterized by comprising a shell (1), wherein a paper feeding plate (2) is arranged on the left side of the shell (1), a paper feeding structure (3) is arranged in the shell (1), a scanning structure (4) is also arranged in the shell (1), and a paper discharging plate (5) is arranged on the right side of the shell (1);
the paper feeding structure (3) comprises four conveying rollers (301), a rotating structure (302) for driving the four conveying rollers (301) to rotate simultaneously is arranged on the shell (1), a pressing roller (303) for pressing paper on the conveying rollers (301) is further arranged on the shell (1), a driving motor (3021) is fixed on the shell (1), an output shaft of the driving motor (3021) and the end parts of the right two conveying rollers (301) are driven by a belt driving piece, the middle two conveying rollers (301) are driven by a belt driving piece, and the left two conveying rollers (301) are driven by a gear connecting piece.
2. The paper feeding mechanism of a scanner according to claim 1, wherein: the belt driving part comprises three driving wheels (3022), a driving belt (3023) is commonly transmitted on the outer surfaces of the three driving wheels (3022), and the three driving wheels (3022) are respectively fixed on the output shaft of the driving motor (3021) and the front ends of the two conveying rollers (301) on the right side.
3. The paper feeding mechanism of a scanner according to claim 2, wherein: the belt transmission part comprises two belt pulleys (3024), a transmission belt (3025) is driven on the outer surfaces of the two belt pulleys (3024), and the two belt pulleys (3024) are respectively fixed at the rear ends of the two conveying rollers (301) in the middle.
4. A paper feeding mechanism for a scanner according to claim 3, wherein: two pressing wheels for respectively pressing the driving belt (3023) and the driving belt (3025) are arranged on the shell (1).
5. The paper feeding mechanism of a scanner according to claim 1, wherein: the gear connecting piece comprises three connecting gears (3026), wherein adjacent connecting gears (3026) are in a meshed state, and the three connecting gears (3026) are respectively arranged at the rear ends of the two conveying rollers (301) on the left side and on the shell (1).
6. The paper feeding mechanism of a scanner according to claim 1, wherein: two position sensors (6) are arranged on the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322322243.4U CN220605968U (en) | 2023-08-29 | 2023-08-29 | Paper feeding mechanism of scanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322322243.4U CN220605968U (en) | 2023-08-29 | 2023-08-29 | Paper feeding mechanism of scanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220605968U true CN220605968U (en) | 2024-03-15 |
Family
ID=90180284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322322243.4U Active CN220605968U (en) | 2023-08-29 | 2023-08-29 | Paper feeding mechanism of scanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220605968U (en) |
-
2023
- 2023-08-29 CN CN202322322243.4U patent/CN220605968U/en active Active
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