JP5646391B2 - Paper sheet peeling device with concealment printing - Google Patents

Description

  The present invention relates to an apparatus for removing concealment printing of paper sheets with concealment printing.

  Conventionally, an apparatus that peels off the concealment printing of a paper sheet with concealment printing is limited to a function that peels off the concealment printing of a paper sheet with concealment printing. Therefore, in order to optically read the concealed bar code information, it is necessary to read the peeled paper sheet with another bar code reading device, and the operator's operation is troublesome. It has become.

  Also, if the concealment of the concealment print on the paper sheet with concealment printing is not complete, when you read it with another barcode reader, you will notice that it has not been read for the first time, and you can manually remove the uncut residue, In addition, it is necessary to perform processing with a paper sheet peeling device with concealment printing, and there is a problem that operation and operation are complicated. In addition, the user needs to prepare the paper sheet peeling device with concealment printing and the barcode reading device separately, which is disadvantageous for the user in terms of installation space and device purchase cost.

  Furthermore, if the paper sheet peeling device with concealment printing and the barcode reading device are different, there is a problem that the peeling mechanism cannot be controlled by a linked operation. In other words, if the paper sheet peeling device with concealment printing is independent, complete peeling becomes a problem for barcode reading. Examples of such a paper sheet peeling device with concealment printing having a function of peeling the concealment printing of paper sheets with concealment printing are disclosed in Patent Document 1 and Patent Document 2, for example.

JP 2003-267623 A Japanese Patent Laid-Open No. 2006-001158

  As described above, in the related art, if the paper sheet peeling device with concealment printing and the barcode reading device are different, there is a problem that the peeling mechanism cannot be controlled by an interlocked operation. In other words, if the paper sheet peeling device with concealment printing is independent, complete peeling becomes a problem for barcode reading.

  In addition, the peeling mechanism part has a changing element such as pressing force and angle as a way of hitting the blade against the paper sheet, and there is an influence such as folding and wrinkling of the paper sheet, and a stable and continuous peeling function. It is expected that the technology for maintaining this will be difficult. For the products of the prior art, in order to perform stable and continuous peeling, the user himself / herself frequently performs maintenance, and does not set folds or wrinkle media. I have to read it with a reader.

  Also, in the prior art, when the paper sheet is set in the reverse direction, the peeling mechanism unit may scrape the normally printed part other than the concealment printing, and particularly the paper containing moisture. There are cases where leaves, creases, and creased paper leaves are scraped in a reverse orientation except for the part to be peeled off. Furthermore, in the prior art, in the state where peeling is incomplete and comes out of the peeling machine, it is in a state that cannot be understood until it is known that it cannot be read by a separately installed barcode reader, and cannot be read by a barcode reader It is left to the operator to determine whether or not to check the peeled state of the concealment printing of the paper sheets, which is troublesome.

  The present invention has been made in view of the above, and the concealing printing that allows the operator to complete the concealing printing peeling and the barcode reading only once by setting it in the sheet peeling device with concealing printing. It is an object of the present invention to provide an attached paper sheet peeling apparatus.

  In order to solve the above-described problems and achieve the object, the paper sheet peeling apparatus with concealment printing according to the present invention peels off the concealment printing layer in which the concealment printing is performed on the barcode attached to the paper sheet. A peeling mechanism, a reading mechanism that reads the peeled barcode, a transport mechanism that transports the paper sheet between the peeling mechanism and the reading mechanism, and after the peeling mechanism peels the concealed printing layer, And a controller for controlling the peeling mechanism, the reading mechanism, and the transport mechanism so as to read the peeled barcode.

  According to the present invention, there is provided a paper sheet peeling apparatus with concealment printing that allows an operator to complete the peeling of the concealment printing and the reading of the barcode only by setting the paper sheet with the concealment printing once. be able to.

It is a figure which shows the structural example of the paper sheet peeling apparatus with a concealment printing in this Embodiment. It is a block diagram which shows the functional structure of the paper sheet peeling apparatus with concealment printing shown in FIG. It is a flowchart which shows the process sequence of the control processing performed with the paper sheet peeling apparatus with a concealment printing shown in FIG. It is a flowchart which shows the process sequence of the control processing performed with the paper sheet peeling apparatus with a concealment printing shown in FIG. It is a flowchart which shows the process sequence of re-execution of peeling. It is a figure which shows the image which cut out only the barcode part among the image data which the scanner reading mechanism read. It is a figure which shows the graph of an average value at the time of calculating the average value of AD value for every pixel of the vertical direction after calculating the sum of a pixel value (AD value) for every pixel in the vertical direction. It is a figure which shows the actual image data of the case where a scanner reading mechanism does not read a barcode by the influence of the uncut part of concealment printing.

  Hereinafter, with reference to FIG. 1 to FIG. 5C, an embodiment of a paper sheet peeling apparatus with concealment printing according to the present invention will be described in detail.

  FIG. 1 is a diagram showing a configuration example of a paper sheet peeling apparatus 1000 with concealment printing in the present embodiment. As shown in FIG. 1, the paper sheet peeling apparatus 1000 with concealment printing includes both the peeling mechanism 4 and the scanner reading mechanism 13 in order to peel off the concealment printing and read the barcode.

  The peeling mechanism 4 is a mechanism for peeling the concealment printing applied to the paper sheets, and includes a blade opening / closing solenoid 7 and a pressing adjustment mechanism 8. The blade opening / closing solenoid 7 can open and close the blade, and opens the cutting blade 6 when transporting a paper sheet that does not peel. Further, the press adjusting mechanism 8 has a mechanism capable of pressing and adjusting a screw by a motor with an encoder. As other mechanisms, a peeling waste removing mechanism 10 for removing the peeling waste from the paper, a hopper-2 for setting the paper, and a pick roller 3 and a transport roller for feeding the paper as a transport mechanism 5. It also has a stacker 15 for holding paper discharge.

  The transport mechanism described above has a function of transporting paper sheets from the hopper 2 to the stacker 15 by driving the pick roller 3 and the transport roller 5. During this conveyance, the peeling mechanism 4, the peeling dust removing mechanism 10, and the scanner reading mechanism 13 are arranged side by side in the conveyance direction. The peeling mechanism 4 can open and close the blade with a blade opening / closing solenoid, and opens the blade in the case of conveyance without peeling. Further, the pressure adjusting mechanism 8 has the above-described mechanism, and the peeling dust removing mechanism 10 includes the brush roller 1 and the brush roller 2. The brush roller 1 removes the peeling waste from the paper sheet, and the brush roller 2 The peeling debris of the brush roller 1 is removed. The peeling waste swept by the brush roller 2 is stored in the peeling waste storage box 12. Then, the surface of the paper sheet excluding the waste is read by the scanner reading mechanism 13.

  The paper sheet peeling apparatus 1000 with concealment printing in the present embodiment optically reads the paper sheet concealment print peeling and barcode with such an arrangement. Note that the peeling dust removal mechanism 10 does not necessarily need to be configured by the brush roller 1 and the brush roller 2, and may have a structure or mechanism that prevents at least the peeling dust from being taken in by the scanner reading mechanism 13. . In the following description, the paper sheet is transported from the hopper 2 to the stacker 15, but it can be controlled as a mechanism for performing peeling and barcode reading and returning the paper to the hopper 2. .

  The peeling mechanism 4 has changing factors such as pressing force and angle as a way of hitting the blade against the paper sheet, and there are paper sheet conditions such as folding and wrinkling. Will occur. For this reason, in the conventional bar code reading device, the bar code cannot be read unless the black and white bar is formed by separating one line in the scanning direction. However, the paper sheet peeling apparatus 1000 with concealment printing in the present embodiment includes both the peeling mechanism 4 and the scanner reading mechanism 13, and even when the peeling mechanism is not completely peeled, The image data of the scanner reading mechanism is assumed to be the uncut portion of the concealed printing, and the barcode is read by performing a process devised as described later.

  Further, in the related art, when the paper sheet is set in the reverse direction, the peeling mechanism unit may scrape a portion that is normally printed other than the concealment printing. In particular, in the case of wet paper sheets, folds, and creased paper sheets, there are cases where parts other than the separation target part are scraped by such reverse setting. In this respect, the paper sheet peeling apparatus 1000 with concealment printing according to the present embodiment determines the setting direction of the paper sheet, as will be described later, and has a blade for a print portion (for example, a design) other than concealment printing. Processing is performed at different timings to avoid hitting.

  FIG. 2 is a block diagram showing a functional configuration of the concealing-printed paper sheet peeling apparatus 1000 shown in FIG. As shown in FIG. 2, the paper sheet peeling apparatus 1000 with concealment printing functionally includes a light source control unit 41A, a light source 41B, an ADC (Analog Digital Converter) 42, an image data storage memory 44, and a paper. The leaf conveyance control unit 45, the blade opening / closing solenoid control unit 47, and the press adjustment mechanism control unit 48 are connected to an I / O port of a CPU (main control unit) 40 or a bus. The ADC 42 is connected to a one-dimensional CCD (Charge Coupled Device) 43 (or CIS (Contact Image Sensor) 43) and has a function of converting the output of the CCD 43 into a 255 digital value. The image data processing can be realized by accessing the image data storage memory 44 to cut out and calculate an image.

  FIG. 3A and FIG. 3B are flowcharts showing a processing procedure of control processing performed in the paper sheet peeling apparatus 1000 with concealment printing shown in FIG. As shown in FIG. 3A, first, in the paper sheet peeling apparatus 1000 with concealment printing, as an initial setting, the press adjustment mechanism control unit 48 sets the press adjustment mechanism 8 to the initial position, and the blade opening / closing solenoid control unit 47 The open / close solenoid 7 is controlled so as to put the cutting blade 6 in the “open” state (step 50).

  Thereafter, the paper sheet conveyance control unit 45 determines whether or not the hopper 2 has detected the paper sheet (step S51), and determines that the hopper 2 has not detected the paper sheet (step S51; No), and waits until it is detected. On the other hand, if the paper sheet conveyance control unit 45 determines that the hopper 2 has detected the paper sheet (step S51; Yes), the paper conveyance control unit 45 drives the conveyance motor (not shown) to rotate the pick roller 3 and the conveyance roller 5. Then, the paper sheet is conveyed (step 52).

  The paper sheet conveyance control unit 45 determines whether or not the paper sheet has been conveyed to a predetermined reading start position (step S53), and determines that the paper sheet has not been conveyed to the predetermined reading start position. (Step S53; No), it waits as it is until the paper sheet is conveyed to the start position. On the other hand, when the paper sheet conveyance control unit 45 determines that the paper sheet has been conveyed to the predetermined reading start position (step S53; Yes), the scanner 14 starts reading the paper sheet (step 54).

  The main control unit 40 stores the image data captured by the scanner 14 in the image data storage memory 44, the paper sheet conveyance control unit 45 stops the motor (step 55), and the CCD 43 is not hidden. The code (first bar code) is searched, and the searched first bar code is decoded (step S56).

  The main control unit 40 determines whether or not the CCD 43 has been able to decode the first barcode (step S57). Whether or not the first barcode can be decoded is determined based on the fact that the barcode that is not concealed is located at a predetermined position from the end face of the paper sheet (for example, the leading edge in the transport direction). Is determined by reading the first bar code in FIG. 2 and determining whether it can be correctly decoded. In this manner, the main control unit 40 detects the direction in which the paper sheet is being conveyed by determining whether or not the position of the first barcode is at a predetermined position.

  In the process of step 57, the main control unit 40 determines the position of the first barcode when the paper sheet is reversed 180 degrees from the transport direction in the same manner as described above. The first barcode can be decoded even if the class is conveyed in the opposite direction. Further, when the scanner 14 is also arranged at the lower part of the transport path, it is possible to determine the position of the first barcode on the back surface of the paper sheet. In this case, the paper sheets are discharged up to the stacker 15.

  When the main control unit 40 determines that the CCD 43 has been able to decode the first barcode (step S57; Yes), the blade opening / closing solenoid control unit 47 is fed with a paper sheet inserted in the forward direction (normal direction). The opening / closing timing of the blade opening / closing solenoid 7 is set so as to match the mask printing position in the normal direction (step S58).

  On the other hand, when the main control unit 40 determines that the CCD 43 cannot decode the first barcode (step S57; No), the blade opening / closing solenoid control unit 47 inserts a sheet in the reverse direction (reverse direction). It is determined that it has been conveyed, and the opening / closing timing of the blade opening / closing solenoid 7 is set so as to match the concealment printing position in the reverse direction (step S59).

  Thereafter, the paper sheet conveyance control unit 45 drives the motor in the reverse rotation to convey the paper sheets to the hopper 2 and stops it (step S60), and then rotates the motor in the normal direction in the paper feeding conveyance direction (step S60). S61). Then, the blade opening / closing solenoid control unit 47 closes and separates the blade from the conveyed paper sheet at the closing timing of the blade opening / closing solenoid set according to the direction of the paper sheet in step S58 or step S59 ( Step S62).

  When the concealment printing is peeled off, the main control unit 40 determines whether or not the paper sheet has been conveyed to a predetermined reading start position as in the case of the process in step S53 (step S63). When it is determined that the sheet has been conveyed to the predetermined reading start position (step S63; Yes), the scanner 14 starts reading the sheet (step 64).

  As in the case of the processing in step S55, the main control unit 40 stores the image data captured by the scanner 14 in the image data storage memory 44, and the paper sheet conveyance control unit 45 stops the motor (step 65). The main control unit 40 determines whether or not the barcode (second barcode) in which the CCD 43 is concealed has been decoded (step S66). The determination of whether or not the second barcode can be decoded is, for example, the area where the concealment printing has been peeled off is an area that can decode the predetermined barcode (or a ratio to the area of the entire barcode). If peeling is not possible (less than the area), the main control unit 40 determines that the second barcode cannot be decoded.

  When the main control unit 40 determines that the second barcode cannot be decoded (step S66; No), the process returns to step S60 and the subsequent processing is repeated. On the other hand, when the main control unit 40 determines that the second barcode has been decoded (step S66; Yes), the paper sheet conveyance control unit 45 causes the motor to rotate forward to convey the paper sheets to the stacker 15. (Step S67), the process is terminated. When the process of step S67 is finished, all the processes shown in FIGS. 3A and 3B are finished.

  In the state of the art, in the state where peeling is incomplete and has come out of the peeling machine, it cannot be understood until it is clear that it cannot be read by a separately installed barcode reader. It is necessary for the operator to make the determination and also to check the peeled state of the concealment printing of the paper sheet, which is troublesome. However, in this embodiment, since both the peeling mechanism and the scanner reading mechanism are provided, even if the peeling mechanism is incomplete, it is necessary to decode the barcode without human intervention. It is possible to make a determination for reading various information based on image data in the apparatus. Furthermore, by this determination, it is possible to return the shading of the concealment printing to the front of the peeling mechanism and perform the peeling again.

  Next, a process procedure for re-performing peeling when the concealment printing cannot be completely peeled will be described. FIG. 4 is a flowchart showing a processing procedure for re-execution of peeling. In FIG. 4, the processing from step S80 to step S85 is the same as the processing from step S60 to step S65 shown in FIG.

  In step S86, the main control unit 40 determines whether or not the peeled barcode can be decoded (step S86), and determines that the peeled barcode cannot be decoded (step S86; No). The solenoid control unit 47 opens the blade of the blade opening / closing solenoid 7 (step S88), and the paper sheet transport control unit 45 drives the motor in the reverse rotation to the position where the blade of the blade opening / closing solenoid 7 passes. (Step S89), the blade opening / closing solenoid control unit 47 again closes the blade of the blade opening / closing solenoid 7 (step S90), and repeats the processing after step S82.

  On the other hand, when the main control unit 40 determines that the peeled bar code has been decoded (step S86; Yes), the paper sheet conveyance control unit 45 conveys the paper sheets to the stacker 15 by rotating the motor forward. (Step S87), and the process is terminated. When the process of step S87 ends, all the processes shown in FIG. 4 end.

  Next, in the process shown in FIG. 4, even when the peeling of the peeling mechanism is incomplete, a method of reading by devising the process will be described with reference to FIGS. 5A to 5C.

  FIG. 5A shows an image 101 in which only the barcode portion is cut out from the image data read by the scanner reading mechanism 13. First, the main control unit 40 cuts out a portion in the cutout frame 104 set in advance from the image data, and calculates a sum of pixel values (AD values) for each pixel in the vertical direction within the cutout frame range. After the calculation, an average value of AD values for each pixel in the vertical direction is calculated.

  FIG. 5B is a diagram showing a graph 102 of the average value calculated in this way. As shown in FIG. 5B, in the graph 102, the average value of AD values for each pixel in the vertical direction is plotted for each pixel in the horizontal direction (pixel NO.). In the graph 102, the vertical direction is the AD value, and the horizontal direction is the pixel NO. It is. In the example shown in FIG. 5B, the larger the AD value, the closer to white, and the smaller the AD value, the closer to black.

  In order to discriminate this AD value from black and white, the main control unit 40 performs noise suppression on the noise 108 component using a moving average or the like, and then detects the peak of each waveform and connects the midpoints of the adjacent vertices to the threshold. The value is 107. By setting the threshold 107, it is determined whether the pixel belongs to the white bar area or the black bar area in the image data, and the barcode is decoded.

  As shown in FIG. 5B, when the decoded result is verified in the determined black and white bar area, the maximum AD value is extracted as the whitest portion in the vertical direction in the white bar area, and in the black bar area, In the vertical direction, the minimum AD value is extracted as the blackest part. The trace 105 is shown in the lower part of FIG. 5B. By performing such processing on all pixels in the horizontal direction, the waveform of the AD value in the entire image data can be extracted. This waveform is based on the premise that the shield printing is an intermediate color of black and white, but since it is a waveform that excludes the intermediate color, it is not affected by uncut parts. If the barcode decoding results match in this waveform, it can be determined that the results have been obtained without being affected by uncut parts. Note that the waveform shown in FIG. 5B is for explaining the processing acquired in the test, and does not describe a waveform in which the light amount, sensitivity, amplifier gain, etc. are optimized. It is desirable to perform the above processing.

  FIG. 5C is a diagram illustrating actual image data in a case where the scanner reading mechanism 13 does not read the barcode due to the influence of the uncut portion of the concealment printing. As shown in FIG. 5C, in the range 111 portion, since all the height directions of the bars are covered with the concealment printing, there is no method for reading by information processing, but in this case, FIG. As shown in FIG. 5, the scanner reading mechanism 13 can read the barcode by performing the peeling again in step S86.

  In this way, by performing the above-described processing in the paper sheet peeling apparatus 1000 with concealment printing according to the present embodiment, the operator can remove the concealment printing only by setting the paper sheet with concealment printing once. Bar code reading can be completed.

  In addition, since the barcode reading mechanism is built in, it is only necessary to be able to peel off the point for reading the barcode in the apparatus, and it is not necessary to increase the accuracy required for the peeling mechanism part. Can be simplified, and the entire apparatus can be made smaller and less expensive.

  In addition, since the device has a barcode reader, image recognition that does not affect barcode recognition even if uncut material occurs due to changing factors such as pressing force and angle, and condition media such as folds and wrinkles Can be processed. That is, it is possible to reduce the point that care must be taken not to set the condition medium or maintenance by the user himself or herself so that there is no uncut portion of the peeling mechanism.

DESCRIPTION OF SYMBOLS 1 Paper sheets 2 Hopper 3 Pick roller 4 Peeling mechanism 5 Carrying roller 6 Shaving blade 7 Blade opening / closing solenoid 8 Thickness adjusting mechanism 9 Peeling waste removal mechanism 10 Brush roller 1 11 Brush roller 2 12 Peeling waste storage box 13 Scanner reading mechanism 14 Scanner 15 Stacker 1000 Paper sheet peeling device with concealment printing.

Claims (8)

A peeling mechanism that peels off the concealment printing layer in which the concealment printing is applied to the barcode attached to the paper sheet;
A reading mechanism for reading the peeled bar code;
A transport mechanism for transporting the paper sheets between the peeling mechanism and the reading mechanism;
A controller that controls the peeling mechanism, the reading mechanism, and the transport mechanism so as to read the peeled barcode after the peeling mechanism peels off the concealment printing layer ;
The control unit determines whether or not the barcode can be decoded, and when determining that the barcode cannot be decoded, the control unit controls the conveyance mechanism to convey the paper sheet from the reading mechanism to the peeling mechanism. Controlling, causing the peeling mechanism to re-peel the cover print layer, and causing the reading mechanism to re-read the peeled barcode.
A paper sheet peeling apparatus with concealment printing. The control unit determines whether or not the area where the concealment printing layer is peeled off satisfies a predetermined area, and determines that the area where the concealment printing layer is peeled off is less than a predetermined area. If the barcode is not decodable,
The paper sheet peeling apparatus with concealment printing according to claim 1 . The control unit calculates a pixel value for each scanning line of the barcode from multi-value data obtained by reading the barcode peeled off by the reading mechanism, and calculates the total sum of the pixel values for each scanning line and the calculated Based on the average of the pixel values for each scan line, a white area and a black area of the barcode are determined
The paper sheet peeling apparatus with concealment printing according to claim 1 or 2 . The control unit calculates a maximum value and a minimum value of a pixel value for each scan line, and a pixel for each scan line is calculated based on a waveform connecting the calculated maximum value and minimum value. Determining whether the area belongs to a white area or a black area, and decoding the barcode based on the determined result,
The paper sheet peeling apparatus with concealment printing according to claim 3 . The control unit controls the peeling mechanism and the transport mechanism so as to transport the paper sheet to the reading mechanism in a state in which the concealed printing layer is not peeled off, and the transported paper sheet is transported to the reading mechanism. Based on the scanned image, the orientation of the paper sheet is determined.
Conceal printing with paper sheet peeling apparatus according to claim 1-4, characterized in that. The control unit determines the timing at which the peeling mechanism peels the concealed printing layer according to the orientation of the paper sheet being conveyed,
The paper sheet peeling apparatus with concealment printing according to claim 5 . The control unit controls the transport mechanism so as to transport the paper sheet to a position where the concealed print layer is peeled off in accordance with the determined timing.
The paper sheet peeling apparatus with concealment printing according to claim 6 . The peeling mechanism has a peeling blade for peeling the concealed printing layer,
The control unit controls the peeling mechanism to peel off the concealed printing layer by opening and closing the peeling blade according to the determined timing.
The paper sheet peeling apparatus with concealment printing according to claim 6 or 7 .

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