CN113386474A - Medium conveyance device and image forming apparatus - Google Patents
Medium conveyance device and image forming apparatus Download PDFInfo
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- CN113386474A CN113386474A CN202010166035.8A CN202010166035A CN113386474A CN 113386474 A CN113386474 A CN 113386474A CN 202010166035 A CN202010166035 A CN 202010166035A CN 113386474 A CN113386474 A CN 113386474A
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- medium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
- B41J11/0095—Detecting means for copy material, e.g. for detecting or sensing presence of copy material or its leading or trailing end
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Abstract
An embodiment of the present application provides a medium transporting device and an image forming apparatus, the medium transporting device including: a medium transporting section for transporting a medium having holes; a first detection unit for detecting a hole of the medium at a prescribed position in a medium width direction orthogonal to a medium transport direction; a second detection unit for detecting an end of the medium in the medium transport direction; and a control unit configured to determine a position of the hole of the medium in the medium width direction based on detection results of the first and second detection units and an interval between the first and second detection units. Therefore, when the image is formed, whether the position of the hole formed in the width direction of the medium is the center hole or the side hole can be judged according to the detection results of the two detection units, manual setting is not needed, and time and labor are saved.
Description
Technical Field
The embodiment of the application relates to the technical field of information processing.
Background
In the prior art, there is an apparatus for performing image formation on a medium, in which when a medium having holes in a width direction of the medium is transported, it is necessary to detect positions where the holes are formed in the width direction of the medium, and specifically, refer to japanese patent laid-open No. 2019-042967 of patent document 1.
Disclosure of Invention
The embodiment of the application provides a medium conveying device and an image forming device, which can detect the position of a hole formed in the width direction of a medium and judge whether the position of the hole is a center hole or a side hole.
According to a first aspect of embodiments of the present application, there is provided a medium transporting apparatus, wherein the apparatus includes:
a medium transporting section for transporting a medium having holes;
a first detection unit for detecting a hole of the medium at a prescribed position in a medium width direction orthogonal to a medium transport direction;
a second detection unit for detecting an end of the medium in the medium transport direction;
and a control unit for determining the position of the hole of the medium in the medium width direction based on the detection results of the first detection unit and the second detection unit and the distance between the first detection unit and the second detection unit.
According to a second aspect of the embodiments of the present application, there is provided an image forming apparatus, wherein the apparatus includes:
a communication section for receiving an image forming job;
the medium transporting device of the first aspect;
an image forming section for forming an image;
and a controller configured to control the image forming unit to form an image on the medium transported by the medium transport device, based on a result of determination of a position of the hole of the medium in the width direction of the medium by the medium transport device.
The beneficial effects of this application embodiment lie in, when carrying out image forming, can be according to two detecting element's testing result, judge whether the position of the hole that forms on the width direction of medium is centre bore or side hole, need not artificial settlement, labour saving and time saving.
Specific embodiments of the present application are disclosed in detail with reference to the following description and drawings, indicating the manner in which the principles of the application may be employed. It should be understood that the embodiments of the present application are not so limited in scope. The embodiments of the application include many variations, modifications and equivalents within the spirit and scope of the appended claims.
Features that are described and/or illustrated with respect to one embodiment may be used in the same way or in a similar way in one or more other embodiments, in combination with or instead of the features of the other embodiments.
It should be emphasized that the term "comprises/comprising" when used herein, is taken to specify the presence of stated features, integers, steps or components but does not preclude the presence or addition of one or more other features, integers, steps or components.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate preferred embodiments of the application and together with the description serve to explain the principles of the application and in which like elements are referenced throughout by like numerals.
In the drawings:
FIG. 1 is a schematic view of a medium transporting apparatus according to embodiment 1 of the present application;
FIG. 2 is a schematic view of a medium in example 1 of the present application;
FIG. 3 is a schematic view of pores in a medium in example 1 of the present application;
FIG. 4 is a schematic view of a center hole in example 1 of the present application;
FIG. 5 is a schematic view of a side hole in example 1 of the present application;
FIG. 6 is a schematic view of two detection units when the hole in the medium is a central hole;
FIG. 7 is a schematic view of two detection units when the holes in the media are side holes;
FIG. 8 is a schematic view of an embodiment of a distance and spacing comparison when the hole in the media is a central hole;
FIG. 9 is a schematic view of an embodiment comparing the transport distance and spacing when the holes in the media are side holes;
FIG. 10 is a schematic view of an embodiment of a method for determining the position of a hole in a medium according to embodiment 1 of the present application;
FIG. 11 is a schematic view of another embodiment of the distance of transport versus spacing when the hole in the media is a central hole;
FIG. 12 is a schematic view of another embodiment of the transport distance versus spacing comparison when the holes in the media are side holes;
FIG. 13 is a schematic view of another embodiment of the method for determining the position of a hole in a medium in embodiment 1 of the present application;
fig. 14 is a schematic view of an image forming apparatus according to embodiment 2 of the present application.
Detailed Description
The foregoing and other features of the present application will become apparent from the following description, taken in conjunction with the accompanying drawings. In the description and drawings, particular embodiments of the application are disclosed in detail as being indicative of some of the embodiments in which the principles of the application may be employed, it being understood that the application is not limited to the described embodiments, but, on the contrary, is intended to cover all modifications, variations, and equivalents falling within the scope of the appended claims.
In the embodiments of the present application, the terms "first", "second", and the like are used for distinguishing different elements by reference, but do not denote a spatial arrangement, a temporal order, or the like of the elements, and the elements should not be limited by the terms. The term "and/or" includes any and all combinations of one or more of the associated listed terms. The terms "comprising," "including," "having," and the like, refer to the presence of stated features, elements, components, and do not preclude the presence or addition of one or more other features, elements, components, and elements.
Embodiments of the first aspect
Embodiments of a first aspect of the present application provide a media transport device. FIG. 1 is a schematic view of a media transport device according to an embodiment of the present application. As shown in fig. 1, the medium transporting apparatus 100 includes:
a medium transporting section 101 for transporting a medium having holes;
a first detection unit 102 for detecting a hole of the medium at a prescribed position in a medium width direction orthogonal to the medium transport direction;
a second detection unit 103 for detecting an end of the medium in the medium transport direction;
and a control unit 104 for determining the position of the hole of the medium in the medium width direction based on the detection results of the first and second detection units and the distance between the first and second detection units.
Therefore, when the image is formed, whether the position of the hole formed in the width direction of the medium is the center hole or the side hole can be judged according to the detection results of the two detection units, manual setting is not needed, and time and labor are saved.
In the embodiment of the present application, the medium may be used for image formation, and may be wound into a roll in a winding manner, and installed in an image forming apparatus for performing continuous image formation (printing), or the medium may also be installed in a folding manner in an image forming apparatus for performing continuous image formation (printing), and the medium transportation portion 101 may transport the medium to perform continuous image formation (printing), and the structure of the medium transportation portion may refer to the prior art, for example, the medium transportation portion 101 may include a motor driver, a motor, and a conveying roller, and the motor is driven by the motor driver to drive the conveying roller to rotate, so as to drive the movement of the medium. The embodiments of the present application are not limited to the examples and the examples provided herein are only illustrative.
In the embodiment of the application, the medium comprises a plurality of label sheets separated by a plurality of holes, and the holes can be used for positioning each label sheet so as to accurately form images on the label sheets and avoid incomplete or offset formed images. Wherein each tab sheet may be used to form a tab image such as a boarding pass, ticket, lottery ticket, hang tag, entrance ticket, etc., to name but a few.
In the embodiment of the present application, the holes are located in the width direction of the medium, and each hole is formed by the front and rear ends of two consecutive label sheets (where, the front and rear directions refer to the front and rear in the medium transport direction), where the front end of one label sheet is formed with a part of one hole, the rear end of the label sheet adjacent to the front end of the label sheet is formed with another part of the one hole, the rear end of the one label sheet is formed with a part of another hole, and the front end of the label sheet adjacent to the rear end of the label sheet is formed with another part of the another hole, and the shape of the hole may be circular, oval, semicircular, rectangular, triangular, rhombic, star-shaped, or other irregular shapes.
Fig. 2 is a schematic view of the medium, and as shown in fig. 2, the medium 200 is composed of a plurality of continuous label sheets 201, adjacent label sheets are separated from each other by an automatic cutting line 203, a hole 202 is formed between each label sheet 201, and fig. 3 is a schematic view of three continuous label sheets 201a, 201b, 201c, as shown in fig. 3, a front end of the label sheet 201b and a rear end of the label sheet 201a form a hole 301a, and a rear end of the label sheet 201b and a front end of the label sheet 201c form a hole 301 b.
In the embodiment of the present application, the position of the hole may be the center (hereinafter, referred to as a center hole) or the side (hereinafter, referred to as a side hole) in the width direction of the medium, fig. 4 is a schematic view of the center hole, and fig. 5 is a schematic view of the side hole, and it is necessary to distinguish the position of the hole when image formation is performed using the medium having the hole. In the conventional technique, the position of the hole can be manually set by using a menu every time the medium is replaced, but this is time and labor consuming, and if the setting is forgotten to be changed after the medium is replaced, the medium is wasted, and for example, if the setting is mistaken in the case of actually having a center hole, the timing for detecting the rear end of the label paper is late, and accordingly, the position of the entire image is shifted, whereas if the setting is mistaken in the case of actually having a side hole, the timing for detecting the front end of the medium is early, and accordingly, the drawn area is small.
In the embodiment of the present application, the first detection unit 102 and the second detection unit 103 may be optical sensors. For example, the sensor may be a reflective infrared sensor or a transmissive infrared sensor, and is configured to detect a hole location of the medium and an end of the medium in the medium transportation direction (for example, by sensing a black mark on the medium and detecting by reflection or transmission of the black mark), where the optical sensor includes an optical generator and an optical receiver, the optical generator is periodically controlled to emit infrared light, when the sensor is reflective, the optical receiver receives light reflected by the medium, and when the sensor is transmissive, the optical receiver receives light transmitted by the medium, so that the intensity of light output by the optical receiver can be detected, which may specifically refer to the prior art and is not described herein again.
In the embodiment of the present application, the user can move the first detecting unit 102 in the width direction of the medium according to the position of the hole to configure, for example, the first detecting unit 102 may be disposed on a track orthogonal to the transport direction of the medium, the first detecting unit 102 may be movable along the track, and the user may move the first detecting unit 102 on the track according to the position of the hole on the medium to configure the first detecting unit 102 at the hole on the medium. The second detecting unit 103 is fixedly disposed at the center in the width direction of the medium, fig. 6 is a schematic view showing the arrangement positions of the two detecting units when the hole in the medium is a center hole, and fig. 7 is a schematic view showing the arrangement positions of the two detecting units when the hole in the medium is a side hole.
In the embodiment of the present application, the control unit 104 determines the positions of the holes of the medium in the medium width direction based on the detection results of the first detection unit 102 and the second detection unit 103 and the interval between the first detection unit 102 and the second detection unit 103. Wherein the interval refers to a distance in a medium transport direction.
In the embodiment of the present application, the control unit 104 calculates the transport distance of the medium based on the detection results of the first detection unit 102 and the second detection unit 103, compares the transport distance with the interval, and determines the position of the hole of the medium in the width direction of the medium based on the comparison result. And when the comparison result is that the transport distance is equal to the interval, determining that the hole is a center hole, and when the comparison result is that the transport distance is not equal to the interval, determining that the hole is a side hole.
In one or more embodiments, the second detection unit 103 is arranged downstream of the first detection unit 102 in the medium transport direction. Fig. 8 and 9 are schematic diagrams showing comparison of the transport distance and the interval corresponding to the center hole and the side hole, respectively, and as shown in fig. 8, since both the first detection unit 102 and the second detection unit 103 abut against the rear end of the hole, the control section 104 determines that the position of the hole of the medium is the center hole when the comparison result is that the transport distance is equal to the interval, and as shown in fig. 9, since the first detection unit 102 abuts against the rear end of the hole and the second detection unit 103 abuts against the end of the position other than the hole on the medium, the control section 104 determines that the position of the hole of the medium is the side hole when the comparison result is that the transport distance is smaller than the interval.
Fig. 10 is a schematic view of the hole position determination method, and as shown in fig. 10, the method includes:
an operation 1001 of moving the first sensing unit 102 to a position of a hole on a medium, and measuring an interval between the first sensing unit 102 and the second sensing unit 103;
in operation 1002, the media transport 101 transports perforated media;
in operation 1003, when the hole on the medium (one label sheet) is transported to the first detecting unit 102, the first detecting unit 102 detects the hole, and the control part 104 starts counting the transport distance with the rear end of the hole as a starting point;
in operation 1004, when the leading end of the medium (the tab sheet) is transported to the second detection unit 103, the second detection unit 103 detects the leading end, and the control section 104 calculates a transport distance of the medium with the leading end as a termination point;
In one or more embodiments, the second detection unit 103 is arranged upstream of the first detection unit 102 in the medium transport direction. Fig. 11 and 12 are schematic diagrams showing comparison of the transport distance and the interval corresponding to the center hole and the side hole, respectively, and as shown in fig. 11, since both the first detection unit 102 and the second detection unit 103 abut against the rear end of the hole, the control section 104 determines that the position of the hole of the medium is the center hole when the comparison result is that the transport distance is equal to the interval, and as shown in fig. 12, since the first detection unit 102 abuts against the rear end of the hole and the second detection unit 103 abuts against the end of the position other than the hole on the medium, the control section 104 determines that the position of the hole of the medium is the side hole when the comparison result is that the transport distance is greater than the interval.
Fig. 13 is a schematic view of the hole position determination method, and as shown in fig. 13, the method includes:
an operation 1301 of moving the first sensing unit 102 to a position of a hole on a medium, and measuring a gap between the first sensing unit 102 and the second sensing unit 103;
in operation 1302, the media transport 101 transports perforated media;
in operation 1303, when the leading end of the medium (a label paper) is transported to the second detecting unit 103, the second detecting unit 103 detects the leading end, and the control part 104 starts counting the transport distance of the medium with the leading end as a starting point;
in operation 1304, when the hole on the medium (the label paper) is transported to the first detecting unit 102, the first detecting unit 102 detects the hole, and the control part 104 calculates a transport distance with a rear end of the hole as a termination point;
in operation 1305, the interval is compared with the transportation distance, and if the transportation distance is equal to the interval as a result of the comparison, it is determined as a center hole, and if the transportation distance is greater than the interval, it is determined as a side hole.
In an embodiment of the present application, the apparatus may further include:
and a storage unit (optionally, not shown) for storing the positions of the holes of the medium.
According to the embodiment, when the image is formed, whether the position of the hole formed in the width direction of the medium is the center hole or the side hole can be judged according to the detection results of the two detection units, manual setting is not needed, and time and labor are saved.
Embodiments of the second aspect
An embodiment of a second aspect of the present application provides an image forming apparatus. Fig. 14 is a schematic view of an image forming apparatus according to an embodiment of the present application. As shown in fig. 14, the image forming apparatus 1400 includes:
a communication section 1401 for receiving an image forming job;
the media transport 1402 of the first aspect;
an image forming section 1403 for forming an image;
a controller 1404 for controlling the image forming unit 1403 to form an image on the medium transported by the medium transport device 1402, based on a determination result of the position of the hole of the medium in the medium width direction by the medium transport device 1402.
In the embodiment of the present application, the image forming apparatus may be a label printer or other devices, and the specific structure thereof may refer to the prior art, which is not described herein again. The communication section 1401 may be a communication device portion of a label printer, and enables communication between the printer and a print requesting device (e.g., a personal computer) to acquire an image forming task including a control instruction, graphic data, or character data. The image forming part 1403 may be a printing device part of the printer, which may be thermal printing, inkjet printing, etc., and the function of the controller 1404 may be integrated into a central processing unit CPU of the printer to control the communication part, the medium transportation device, and the image forming part, and the structure of the medium transportation device 1402 may refer to the embodiment of the first aspect, and will not be described herein again.
In the embodiment of the present application, the image forming apparatus may further include a memory, an operation unit (not shown), and the like, and when the image forming apparatus is a printer, the memory may be a storage device portion of the printer, for example, a RAM or the like, for storing information such as a print job, a storage medium length, a hole position, a transport distance, a detection unit interval, and the like, and the operation unit may be an operation panel (for example, a touch panel) of the printer or the like, for accepting an operation input by a user.
In the embodiment of the present application, the image forming apparatus may further include a medium storage (not shown) for storing a medium, for example, the medium may be wound into a roll and mounted on the medium storage, or the medium may be mounted on the medium storage in a folded manner, the medium storage is connected to the medium transporting apparatus 1402, and the medium transporting apparatus 1402 may transport the medium.
In the embodiment of the present application, the image forming apparatus may further include an automatic cutting portion (not shown, optional) that can cut the label along the automatic cutting line 203 after the printing of one label sheet is completed by the image forming portion 1403. However, the present application is not limited thereto, and may be cut by the user.
The following exemplifies the workflow of the image forming apparatus.
In the embodiment of the present application, a printing medium having holes is stored in a medium storage portion, a first detection unit in the medium transportation device 1402 is moved to a hole position according to the position of the hole on the medium, the medium transportation device 1402 receives information such as a transportation direction sent from the controller 1404 to transport the medium, and determines the position of the hole on the medium according to the current label paper 0, and feeds the determined position back to the controller 1404, the communication portion 1401 receives the image forming job 1, and the controller 1404 controls the image forming portion 1403 to form an image on the medium (next label paper 1) transported by the medium transportation device 1402 according to the determination result of the medium transportation device 1402, and optionally, an automatic cutting portion may cut the label paper 1 along an automatic cutting line after printing of the label paper is completed. The communication section 1401 continues to receive a new image forming job 2, and the controller 1404 controls the image forming section 1403 to form an image on the medium (the next tab sheet 2) transported by the medium transporting device 1402 according to the determination result of the medium transporting device 1402, and optionally, an automatic cutting section may cut the tab sheet 2 along an automatic cutting line after the printing of the tab sheet is completed. And so on to achieve continuous image formation (printing).
According to the embodiment, when the image is formed, whether the position of the hole formed in the width direction of the medium is the center hole or the side hole can be judged according to the detection results of the two detection units, manual setting is not needed, and time and labor are saved.
The determination method of the hole position in the medium transportation device described in connection with the embodiments of the present application may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. For example, one or more of the functional block diagrams and/or one or more combinations of the functional block diagrams illustrated in fig. 1 and 14 may correspond to individual software modules of a computer program flow or individual hardware modules. These software modules may correspond to the steps shown in fig. 10 and 13, respectively. These hardware modules may be implemented, for example, by solidifying these software modules using a Field Programmable Gate Array (FPGA).
A software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. A storage medium may be coupled to the processor such that the processor can read information from, and write information to, the storage medium; or the storage medium may be integral to the processor. The processor and the storage medium may reside in an ASIC. The software module may be stored in a memory of the image forming apparatus or may be stored in a memory card that is insertable into the image forming apparatus.
One or more of the functional block diagrams and/or one or more combinations of the functional block diagrams described with respect to fig. 1 and 14 may be implemented as a general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any suitable combination thereof designed to perform the functions described herein. One or more of the functional block diagrams and/or one or more combinations of the functional block diagrams described with respect to fig. 1 and 14 may also be implemented as a combination of computing devices, e.g., a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a DSP communication, or any other such configuration.
The present application has been described in conjunction with specific embodiments, but it should be understood by those skilled in the art that these descriptions are intended to be illustrative, and not limiting. Various modifications and adaptations of the present application may occur to those skilled in the art based on the spirit and principles of the application and are within the scope of the application.
Claims (10)
1. A media transport apparatus, the apparatus comprising:
a medium transporting section for transporting a medium having holes;
a first detection unit for detecting a hole of the medium at a prescribed position in a medium width direction orthogonal to a medium transport direction;
a second detection unit for detecting an end of the medium in the medium transport direction;
and a control unit configured to determine a position of the hole of the medium in the medium width direction based on detection results of the first and second detection units and an interval between the first and second detection units.
2. The apparatus of claim 1, further comprising:
a storage part for storing the position of the hole of the medium.
3. The apparatus of claim 1, wherein the first detection unit is a light sensor.
4. The apparatus of claim 1, wherein the second detection unit is a light sensor.
5. The apparatus according to claim 1, characterized in that the second detection unit is arranged downstream or upstream of the first detection unit in the medium transport direction.
6. The apparatus according to claim 1, wherein the second detection unit is fixedly disposed at a center in the medium width direction.
7. The device according to claim 1, characterized in that the first detection unit is arranged at the location of the pores of the medium.
8. The apparatus according to claim 1, wherein the control unit calculates a transport distance of the medium based on detection results of the first and second detection units, compares the transport distance with the interval, and determines a position of the hole of the medium in the medium width direction based on a comparison result.
9. The apparatus according to claim 8, wherein the control portion determines that the position of the hole of the medium is a center hole when the comparison result is that the transport distance is equal to the interval, and determines that the position of the hole of the medium is a side hole when the comparison result is that the transport distance is not equal to the interval.
10. An image forming apparatus, characterized in that the apparatus comprises:
a communication section for receiving an image forming job;
the media transport device of claim 1;
an image forming section for forming an image;
and a controller configured to control the image forming unit to form an image on the medium transported by the medium transport device, based on a determination result of the medium transport device regarding a position of the hole of the medium in the width direction of the medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010166035.8A CN113386474A (en) | 2020-03-11 | 2020-03-11 | Medium conveyance device and image forming apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010166035.8A CN113386474A (en) | 2020-03-11 | 2020-03-11 | Medium conveyance device and image forming apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115157886A (en) * | 2022-07-06 | 2022-10-11 | 上海商米科技集团股份有限公司 | Label paper printing method and label printer using same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115157886A (en) * | 2022-07-06 | 2022-10-11 | 上海商米科技集团股份有限公司 | Label paper printing method and label printer using same |
| CN115157886B (en) * | 2022-07-06 | 2023-12-29 | 上海商米科技集团股份有限公司 | Label paper printing method and label printer using same |
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