CN211031777U

CN211031777U - Bankbook printer with integrated scanning function

Info

Publication number: CN211031777U
Application number: CN201921067983.5U
Authority: CN
Inventors: 林艳青; 蒋旭峰; 曾晋
Original assignee: Fujian Start Computer Equipment Co ltd
Current assignee: Fujian Start Computer Equipment Co ltd
Priority date: 2019-07-01
Filing date: 2019-07-10
Publication date: 2020-07-17
Anticipated expiration: 2029-07-10
Also published as: CN110341329A

Abstract

The utility model relates to a bankbook printer with integrated scanning function, which is applicable to the field of the bankbook printer, a contact type scanning paper feeding mechanism comprises a rear upper paper guide frame, a rear lower paper guide frame, a front upper paper guide plate and a front lower paper guide plate, a first rear upper paper feeding wheel, a first scanning tube and a second rear upper paper feeding wheel are embedded in the rear upper paper guide frame from front to back, the front upper paper guide plate is embedded with a front paper feeding wheel and four pairs of opposite photoelectric sensors, and the front upper paper guide plate and the front lower paper guide plate are arranged on the front side of the printing head. This bankbook printer assembly is firm, the present print media position of judgement and the size that can be accurate.

Description

Bankbook printer with integrated scanning function

Technical Field

The utility model relates to a bankbook printer with integrated scanning function is applicable to bankbook printer field.

Background

The bankbook, commonly known as a redbook, is a book used to record banking transactions for deposit accounts. The size of the area may vary from country to country and from bank to bank, and may be as large as a cheque book, or as large as a passport. The bankbook printer that is used for bankbook to print on the market at present adopts embedded scanning function more, and the mode of this kind of embedded scanning function makes the assembly of bankbook printer more complicated, gather the image data of whole scanning pipe breadth width in the scanning process, and after the image data of whole printing medium is gathered, just carry out the correction of image and handle and upload, when scanning the printing medium that the size is less, this can increase printer control system's hardware overhead by force and the time of extension scanning, make the hardware successfully pull up, scanning speed is slow. The passbook printer of this construction cannot fully meet the use requirements.

Disclosure of Invention

An object of the utility model is to provide a bankbook printer with integrated scanning function, this bankbook printer assembly is firm, present print media position of judgement and size that can be accurate.

The technical scheme of the utility model lies in: a bankbook printer with an integrated scanning function comprises a bankbook printer seat shell, wherein a contact type scanning paper feeding mechanism is arranged in the bankbook printer seat shell and comprises a rear upper paper guide frame and a rear lower paper guide frame positioned on the lower side of the rear upper paper guide frame, a front upper paper guide plate and a front lower paper guide plate are respectively arranged on the front sides of the rear upper paper guide frame and the rear lower paper guide frame, a first rear upper paper feeding wheel, a first scanning tube and a second rear upper paper feeding wheel are embedded in the rear upper paper guide frame from front to rear, a rear lower paper feeding wheel and a second scanning tube are embedded in the rear lower paper guide frame from front to rear, the first rear upper paper feeding wheel is positioned on the upper side of the rear lower paper feeding wheel, the first scanning tube and the second scanning tube are placed in a mirror image mode, a printing head capable of moving left and right is arranged on the front sides of the rear upper paper guide frame and the rear lower paper guide frame, and a photoelectric sensor is arranged on the printing head, the front upper paper guide plate is embedded with a front paper feeding wheel and four opposite type photoelectric sensors, and the front upper paper guide plate and the front lower paper guide plate are arranged on the front side of the printing head.

Compared with the prior art, the utility model has the advantages of it is following: the bankbook printer is firm in assembly, can accurately judge the position and the size of a current printing medium, can simultaneously realize image acquisition, image correction and image uploading, reduces the hardware cost, accelerates the scanning speed, has a reliable effect, and has a wide application prospect.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a bottom view of the present invention;

fig. 5 is a control flow chart of the control system of the present invention;

in the figure: 101-a rear upper paper guide frame, 102-a rear lower paper guide frame, 103-a first rear upper paper feeding wheel, 104-a second rear upper paper feeding wheel, 105-a rear lower paper feeding wheel, 106-a front paper feeding wheel, 107-a printing head, 108-a front upper paper guide plate, 109-a front lower paper guide plate, 201-a first scanning tube, 202-a second scanning tube, 203-a reflective photoelectric sensor and 204-four pairs of correlation photoelectric sensors.

Detailed Description

In order to make the aforementioned features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below, but the present invention is not limited thereto.

Refer to fig. 1 to 5

A passbook printer with integrated scanning function comprises a passbook printer seat shell, a contact type scanning paper feeding mechanism is arranged in the passbook printer seat shell, the contact type scanning paper feeding mechanism comprises a rear upper paper guide frame 101 and a rear lower paper guide frame 102 positioned on the lower side of the rear upper paper guide frame, a front upper paper guide plate 108 and a front lower paper guide plate 109 are respectively arranged on the front sides of the rear upper paper guide frame and the rear lower paper guide frame, a first rear upper paper feeding wheel 103, a first scanning tube 201 and a second rear upper paper feeding wheel 104 are embedded in the rear upper paper guide frame from front to rear, a rear lower paper feeding wheel and a second scanning tube 202 are embedded in the rear lower paper guide frame from front to back, the first rear upper paper feeding wheel is positioned on the upper side of the rear lower paper feeding wheel and is superposed in the longitudinal position, the first scanning tube and the second scanning tube are placed in a mirror image mode, and therefore light source correlation of the scanning tubes is avoided. A printing head 107 capable of moving left and right is arranged on the front sides of the upper rear paper guide frame and the lower rear paper guide frame, a reflective photoelectric sensor 203 is mounted on the printing head, a front paper feeding wheel 106 and four pairs of opposite photoelectric sensors 204 are embedded in the upper front paper guide plate, and the upper front paper guide plate and the lower front paper guide plate are arranged on the front sides of the printing head; the first scanning tube, the second scanning tube, the reflective photoelectric sensor and the four pairs of opposite photoelectric sensors form a hardware component for helping to analyze and process images; the control system controls the contact type scanning paper feeding mechanism and the hardware component through the motor to realize the function of integrating scanning inside the bankbook printer.

In this embodiment, the hardware component is implemented as follows:

(1) the lateral position and width of the printing medium to be scanned are obtained by the left and right movement of the reflective photoelectric sensor 203 mounted on the printing head 107;

(2) the current longitudinal position and length of the printing medium to be scanned are obtained by controlling four pairs of opposite photoelectric sensors 204 arranged on the front side;

(3) starting the scanning tube just before the printing medium to be scanned moves to the scanning tube image acquisition lamp tube;

(4) correcting image information in a histogram matching mode;

(5) and meanwhile, the movement of a printing medium to be scanned, image acquisition, image information correction and image uploading are controlled.

In this embodiment, the implementation method specifically includes the following steps:

(1) in use, print media is manually fed between the upper front paper guide 108 and the lower front paper guide 109;

(2) the control system controls the front paper feeding wheel 106 to rotate, presses the printing medium to be scanned against the front lower paper guide plate 109, feeds the printing medium into the printer and enables the medium to move inwards at a constant speed;

(3) when the printing medium passes through the four pairs of correlation photoelectric sensors 204, the control system can know that the printing medium is fed into the printing medium, and the length of the printing medium is calculated through the total rotation angle and the radius of the front paper feeding wheel 106;

(4) when the printing medium passes through the printing head 107, the control system controls the printing head to move left and right and obtains the width of the printing medium through the reflective photoelectric sensor 203;

(5) when the printing medium moves between the rear upper paper guide frame 101 and the rear lower paper guide frame 102, the control system controls the first rear upper paper feeding wheel 103, the rear lower paper feeding wheel 105 and the front paper feeding wheel 106 to synchronously rotate, so that the printing medium is continuously rolled forwards, and the stable movement of the printing medium is ensured;

(6) when the tail part of the printing medium passes through the four pairs of opposite photoelectric sensors/204, the control system can obtain the length of the printing medium and calculate the whole breadth or the time for activating the scanning tube to work in a certain rectangular area in the breadth;

(7) when the control system calculates that the tail part of the current printing medium is positioned at the rear side of an image acquisition tube in the scanning tube through the total rotation angle and the radius of the front paper feeding wheel 106, the control system changes the rolling directions of the front paper feeding wheel 106, the first rear upper paper feeding wheel 103 and the second rear upper paper feeding wheel 104 to roll the printing medium in a reverse direction, activates the first scanning tube 201 and the second scanning tube 202 to acquire images, keeps the printing medium rolling in the reverse direction, and performs image data processing, image information correction and image uploading in the movement process;

(8) when the print medium head returns to the front sides of the first scanning tube 201 and the second scanning tube 202 or the area to be acquired returns to the front sides of the first scanning tube 201 and the second scanning tube 202, the image acquisition is finished and the scanning is completed.

Wherein, the control flow of the control system (detailed figure 5): when the printer starts to work, the front paper feeding wheel 106 is controlled to rotate, and the printing medium is fed into the printer; the system 4 controls the paper feeding wheel 106 to continue rotating if the opposite type photoelectric sensor 204 is shielded, and the printing medium is fed into the printer and starts to accumulate and calculate the length of the medium; when the printing medium passes through the printing head 107, the software controls the printing head 107 to move left and right and acquires the width of the printing medium through the reflective photoelectric sensor 203; when the printing medium moves between the rear upper paper guide 101 and the rear lower paper guide 102, the software controls the rear upper paper feeding wheel 1103, the rear lower paper feeding wheel 105 and the front paper feeding wheel 106 to synchronously rotate; the system judges whether the tail of the printing medium passes through the 4-pair correlation type photoelectric sensor 204, if so, the length of the printing medium can be obtained through the total rotation angle of the front paper feeding wheel 106; the rear lower paper feeding wheel 105 and the front paper feeding wheel 106 continue to rotate, and the tail of the printing medium is known to be positioned at the rear side of the image collecting pipe in the first scanning pipe 201; the rolling directions of the front paper feeding wheel 106, the first rear upper paper feeding wheel 103 and the second rear lower paper feeding wheel 104 are changed to roll the printing medium reversely; then, activating the first scanning tube 201 and the second scanning tube 202 to acquire head images, and simultaneously processing and uploading image data; and then the system judges whether the image data processing and uploading is finished or not, if so, the scanning work is finished, and if not, the image data processing and uploading is continued. After the printer starts to work, if the printing medium is fed into the printer, the system judges that the 4-pair correlation type photoelectric sensor is not shielded, the front paper feeding wheel 106 is controlled to continue to rotate, and then whether the printing medium exceeds the distance from the paper feeding wheel 106 to the 4-pair correlation type photoelectric sensor 204 is judged, if so, the front paper feeding wheel 106 is controlled to continue to rotate, and if not, the scanning work is finished. When the system judges that the tail of the printing medium does not pass through the 4-pair correlation type photoelectric sensor 204, whether the total rotating angle/360-degree rotating radius of the front paper feeding wheel 106 is larger than 14 inches or not is controlled, if the total rotating angle/360-degree rotating radius of the front paper feeding wheel is larger than 14 inches, the tail of the printing medium is positioned at the position of 14 inches in length, namely the length of the printing medium is considered to be 14 inches, then the rear lower paper feeding wheel 105 and the front paper feeding wheel 106 continue to rotate, the tail of the printing medium is known to be positioned at the rear side of the image collecting pipe in the first scanning pipe 201, and then the subsequent; if the total rotation angle/360-degree rotation radius of the front feeding wheel 106 is smaller than 14 inches, the process returns to the judgment of whether the tail of the printing medium passes through the 4-pair correlation type photoelectric sensor 204, and then the subsequent process is continuously executed.

The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.

Claims

1. A bankbook printer with an integrated scanning function comprises a bankbook printer seat shell and is characterized in that a contact type scanning paper feeding mechanism is arranged in the bankbook printer seat shell and comprises a rear upper paper guide frame and a rear lower paper guide frame positioned on the lower side of the rear upper paper guide frame, a front upper paper guide plate and a front lower paper guide plate are respectively arranged on the front sides of the rear upper paper guide frame and the rear lower paper guide frame, a first rear upper paper feeding wheel, a first scanning tube and a second rear upper paper feeding wheel are embedded in the rear upper paper guide frame from front to rear, a rear lower paper feeding wheel and a second scanning tube are embedded in the rear lower paper guide frame from front to rear, the first rear upper paper feeding wheel is positioned on the upper side of the rear lower paper feeding wheel, the first scanning tube and the second scanning tube are placed in a mirror image mode, a printing head capable of moving left and right is arranged on the front sides of the rear upper paper guide frame and the rear lower paper guide frame, the printing head is provided with a reflection type photoelectric sensor, a front paper feeding wheel and four opposite type photoelectric sensors are embedded in the front upper paper guide plate, and the front upper paper guide plate and the front lower paper guide plate are arranged on the front side of the printing head.