CN113470273A - Scanning and printing integrated machine with common power source - Google Patents
Scanning and printing integrated machine with common power source Download PDFInfo
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- CN113470273A CN113470273A CN202110737431.6A CN202110737431A CN113470273A CN 113470273 A CN113470273 A CN 113470273A CN 202110737431 A CN202110737431 A CN 202110737431A CN 113470273 A CN113470273 A CN 113470273A
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- 238000007639 printing Methods 0.000 title claims abstract description 91
- 230000007246 mechanism Effects 0.000 claims abstract description 60
- 230000005540 biological transmission Effects 0.000 claims description 26
- 230000009471 action Effects 0.000 description 9
- 230000007704 transition Effects 0.000 description 9
- 239000002699 waste material Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/26—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for printing, stamping, franking, typing or teleprinting apparatus
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/42—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for ticket printing or like apparatus, e.g. apparatus for dispensing of printed paper tickets or payment cards
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00519—Constructional details not otherwise provided for, e.g. housings, covers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00567—Handling of original or reproduction media, e.g. cutting, separating, stacking
- H04N1/0057—Conveying sheets before or after scanning
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00885—Power supply means, e.g. arrangements for the control of power supply to the apparatus or components thereof
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
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- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Registering Or Overturning Sheets (AREA)
- Separation, Sorting, Adjustment, Or Bending Of Sheets To Be Conveyed (AREA)
Abstract
The invention discloses a scanning and printing integrated machine sharing a power source, wherein a first channel and a shared channel form a scanning channel, a second channel and the shared channel form a printing channel, a printing device is arranged at the shared channel, and the scanning device is arranged at the first channel or the shared channel; a first paper guide roller is arranged in the first channel, a second paper guide roller is arranged in the second channel, a third paper guide roller is arranged in the shared channel, the main driving mechanism drives the third paper guide roller to rotate, and the reversing mechanism selectively transmits power of the main driving mechanism to the first paper guide roller or the second paper guide roller through the third paper guide roller. The all-in-one machine not only can independently realize the scanning and copying functions and the printing functions, but also can print on scanned paper and can additionally print after scanning, thereby being more convenient to use. Simultaneously, a power supply can be shared to first lead paper roll and second lead paper roll, need not to set up the power supply alone, greatly the cost is reduced, also can realize the miniaturization.
Description
Technical Field
The invention relates to a scanning and printing all-in-one machine sharing a power source.
Background
Scanning and printing integrated devices typically include two main parts: one is a scanning device and the other is a printing device. The scanning and printing integrated apparatus is generally classified into two types according to the structure: the first is a scanning and printing integrated device with a scanning channel not directly communicated with a printing channel, and a typical example of the scanning and printing integrated device is a copying machine; the second type is a scanning and printing integrated device with a scanning channel communicated with a printing channel, and a typical example of the scanning and printing integrated device is a waste ticket processing device.
The operation of the first scanning and printing integrated device can be described by taking a copying machine as an example. When the copying machine works, an original document is firstly input into the scanning channel, original document information is obtained through the scanning device, then a printing medium is input into the printing channel, and the obtained original document information is printed on the printing medium through the printing device.
The operation of the second scanning and printing integrated device can be described by taking a waste ticket processing device as an example. The waste ticket processing device is typically used in the field of lottery tickets, but of course also in tickets, entrance tickets and even other fields of currency, securities, etc. When the lottery ticket waste processing equipment works, firstly, the prize-exchanging lottery ticket is input into the scanning channel, the information of the prize-exchanging lottery ticket is obtained through the scanning device, then the prize-exchanging lottery ticket is controlled to enter the printing channel from the scanning channel, and the printing device prints the waste mark on the lottery ticket after prize exchanging. However, the above-described lottery ticket discard processing apparatus has only a function of scanning a lottery ticket for redemption and a function of printing a mark on the scanned lottery ticket for redemption, and does not have a function of printing a lottery ticket. Therefore, at the lottery sales network, a special printer is required to be arranged for printing the lottery purchased by the customer; and a waste ticket processing device is needed to be arranged for completing lottery ticket exchange and printing a waste mark on the lottery ticket after the lottery ticket is exchanged.
According to the working process of the above waste ticket processing device, the second scanning and printing integrated device only has the scanning function and the function of printing marks on the scanned medium, does not have the printing function, and needs to be additionally provided with a printing device, so that the use is inconvenient, and the use cost is increased.
In addition, when different functions are realized, different power sources are often required to drive independent transmission systems, so that the structural design is complex, and meanwhile, the cost is increased due to the increase of the power sources.
Disclosure of Invention
The invention provides a scanning and printing integrated machine with a common power source, which overcomes the defects in the prior art. One of the technical schemes adopted by the invention for solving the technical problems is as follows:
the scanning and printing integrated machine with the common power source comprises a printing device, a scanning device, a first channel, a second channel and a common channel, wherein the first channel, the second channel and the common channel are communicated, the printing device is arranged at the common channel, and the scanning device is arranged at the first channel or the common channel;
the paper guide device is characterized in that a first paper guide roller is arranged in the first channel, a second paper guide roller is arranged in the second channel, a third paper guide roller is arranged in the shared channel, a main driving mechanism and a reversing mechanism are arranged in the shared channel, the main driving mechanism drives the third paper guide roller to rotate, and power of the main driving mechanism is selectively transmitted to the first paper guide roller or the second paper guide roller through the third paper guide roller through the reversing mechanism.
In a preferred embodiment: the reversing mechanism comprises a reversing motor, a reversing cam, a reversing swing rod and a reversing gear, wherein a first output gear is arranged at a first paper guide roller, a second output gear is arranged at a second paper guide roller, the reversing cam is connected with the reversing motor in a transmission mode and can rotate along with the rotation of the reversing motor, the reversing gear is installed on the reversing swing rod, the reversing swing rod can be matched with the reversing cam and swing between a first position and a second position, the reversing gear is meshed with the first output gear when the reversing swing rod is located at the first position, and the reversing gear is meshed with the second output gear when the reversing swing rod is located at the second position.
In a preferred embodiment: and a third output gear is arranged at the third paper guide roller, and the reversing gear and the third output gear are always in meshed fit.
In a preferred embodiment: the reversing cam comprises a cam body, the cam body is provided with a cam groove which is in a closed state and is in a shape, the reversing swing rod is provided with an extending part, and the extending part extends into the cam groove.
In a preferred embodiment: the reversing motor further comprises a signal sensor which is arranged on the periphery of the cam body, and the cam body triggers the signal sensor to stop the reversing motor when the reversing gear is meshed with the first output gear in place or the reversing gear is meshed with the second output gear in place.
In a preferred embodiment: the first paper guide roller comprises a first driving paper guide roller and a first driven paper guide roller which are respectively positioned at two sides of the first channel and are oppositely arranged, and the first output gear is fixedly connected to the first driving paper guide roller; the second paper guide roller comprises a second driving paper guide roller and a second driven paper guide roller which are respectively located on two sides of the second channel and are oppositely arranged, and the second output gear is fixedly connected to the second driving paper guide roller.
In a preferred embodiment: the scanning device is positioned between the first paper guide roller and the printing device, and the third paper guide roller and the scanning device are oppositely arranged with a gap therebetween.
In a preferred embodiment: the main driving mechanism comprises a main driving motor and a main driving gear set in transmission connection with the main driving motor, and the third paper guide roller is connected with the main driving gear set.
In a preferred embodiment: the all-in-one machine also comprises a printing rubber roller which is in transmission connection with the main driving gear set, is positioned in the shared channel and is arranged opposite to the printing device.
The second technical scheme adopted by the invention for solving the technical problems is as follows:
the scanning and printing integrated machine with the common power source comprises a printing device, a scanning device, a first channel, a second channel and a common channel, wherein the first channel, the second channel and the common channel are communicated, the printing device is arranged at the common channel, and the scanning device is arranged at the first channel or the common channel;
the first channel is internally provided with a first paper guide roller, the second channel is internally provided with a second paper guide roller, the shared channel is internally provided with a third paper guide roller, and the shared channel is additionally provided with a main driving mechanism and a reversing mechanism, the main driving mechanism drives the third paper guide roller to rotate forwards or reversely, the reversing mechanism selectively transmits the power of the main driving mechanism to the first paper guide roller or the second paper guide roller through the third paper guide roller, so that a first transmission chain consisting of the driving mechanism, the third paper guide roller and the first paper guide roller or a second transmission chain consisting of the driving mechanism, the third paper guide roller and the second paper guide roller is formed;
and before the reversing mechanism is connected with the first paper guide roller, the second transmission chain reverses to retreat the paper to be printed into the second channel.
Compared with the background technology, the technical scheme has the following advantages:
1. the scanning and printing integrated machine not only can independently realize the scanning function and the printing function, but also can print on scanned paper and can additionally print after scanning, thereby being more convenient to use and lower in use cost. Meanwhile, the reversing mechanism selectively transmits the power of the main driving mechanism to the first paper guide roller and the second paper guide roller through the third paper guide roller, so that the first paper guide roller and the second paper guide roller can share one power source, the power source does not need to be separately arranged, the cost is greatly reduced, and the miniaturization can be realized.
2. The transmission process of the reversing mechanism is as follows: the reversing motor rotates to drive the reversing cam to rotate, the reversing cam rotates to drive the reversing swing rod to swing, the reversing swing rod swings to drive the reversing gear to swing, and then the reversing gear is in switching engagement with the first output gear or the second output gear, and therefore the first paper guide roller or the second paper guide roller rotates. The reversing structure is compact and simple, and the transmission effect is good and stable.
3. The stretching part stretches into the cam groove, and the cam groove is in a closed state and is the same as the cam body in shape, so that the cam groove is driven to rotate in the rotating process of the cam body, the stretching part is enabled to shift under the action of the cam groove, and the reversing swing rod can be driven to swing.
4. When the reversing gear is meshed with the first output gear in place or the reversing gear is meshed with the second output gear in place, the cam body triggers the signal sensor to stop the reversing motor from rotating, so that the rotation of the reversing motor can be controlled in time, and the phenomenon that the reversing gear is meshed with the first output gear or the second output gear excessively due to the excessive rotation of the reversing motor and then is disengaged is avoided.
5. The first paper guide roller comprises a first driving paper guide roller and a first driven paper guide roller, the second paper guide roller comprises a second driving paper guide roller and a second driven paper guide roller, and paper in the scanning channel can be conveyed towards the common channel under the clamping action of the first driving paper guide roller and the first driven paper guide roller, so that the normal operation of scanning is ensured; the paper in the printing channel can be conveyed towards the shared channel under the clamping action of the second driving paper guide roller and the second driven paper guide roller, and the normal printing is ensured.
6. The third paper guide roller and the scanning device are oppositely arranged, and a gap is reserved between the third paper guide roller and the scanning device, so that the scanning effect cannot be influenced by the fact that paper is separated from the focal range of the scanning device due to up-down floating when passing through the scanning device.
7. The printing rubber roller and the third paper guide roller share one main driving motor, so that the cost is further reduced, and the size is reduced.
8. When the reversing mechanism is connected with the first paper guide roller, the second transmission chain is reversed to retreat the paper to be printed into the second channel, thereby ensuring that no paper to be printed is in the shared channel when the first channel and the shared channel are used.
Drawings
The invention is further illustrated by the following figures and examples.
FIG. 1 is a schematic cross-sectional view of a scanning and printing all-in-one machine with a common power source according to a preferred embodiment.
FIG. 2 is a diagram illustrating a state when a scan operation is initiated.
Fig. 3 is a schematic diagram showing a state when a printing operation is started.
FIG. 4 is a schematic view showing the assembly of the main driving mechanism, the third paper guide roller, and the reversing mechanism.
FIG. 5 is a second schematic view showing the assembly of the main driving mechanism, the third paper guide roller and the reversing mechanism.
Fig. 6 is a schematic view of the reversing mechanism, where the reversing gear is engaged with the first output gear.
Fig. 7 is a schematic structural view of the reversing mechanism, in which the reversing gear is engaged with the second output gear.
Fig. 8 shows the positional relationship of the paper deck and the reversing mechanism.
Fig. 9 is a schematic diagram showing a back structure of the reversing mechanism.
Fig. 10 is a schematic view showing the structure of the reversing cam and the reversing gear.
Fig. 11 shows a schematic front view of the reversing cam.
Detailed Description
In the claims, the specification and the drawings of the present invention, unless otherwise expressly limited, the terms "first", "second" or "third", etc. are used for distinguishing between different items and not for describing a particular sequence.
In the claims, the specification and the drawings of the present invention, unless otherwise expressly limited, all directional or positional relationships indicated by the terms "center," "lateral," "longitudinal," "horizontal," "vertical," "top," "bottom," "inner," "outer," "upper," "lower," "front," "rear," "left," "right," "clockwise," "counterclockwise," and the like are based on the directional or positional relationships indicated in the drawings and are used for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the device or element so indicated must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present invention.
In the claims, the description and the drawings of the present application, unless otherwise expressly limited, the terms "fixedly connected" and "fixedly connected" should be interpreted broadly, that is, any connection between the two that is not in a relative rotational or translational relationship, that is, non-detachably fixed, integrally connected, and fixedly connected by other devices or elements.
In the claims, the specification and the drawings of the present invention, the terms "including", "having", and variations thereof, are intended to be inclusive and not limiting.
Referring to fig. 1 to 11, a preferred embodiment of a scanning and printing integrated machine with a common power source includes a printing device 400, a scanning device 500, a first channel 100, a second channel 200, a common channel 300, a main driving mechanism and a reversing mechanism.
The first channel 100, the second channel 200 and the common channel 300 are communicated, an opening 110 at the top end of the first channel 100 is a paper inlet and can also be used as a paper outlet, and the space between the first channel 100 and the common channel 300 can be used as a scanning channel and a printing channel; the second channel 200 and the common channel 300 can be used only as a printing channel.
In the scanning operation, the paper enters from the first path top end opening 110 and then passes through the common path 300, and after the scanning operation is completed, the paper can be conveyed to the tail end outlet of the common path 300 and can be returned to the first path top end opening 110 from the first path 100.
As shown in FIG. 1, the all-in-one machine further comprises a paper bin 400 provided with a paper roll 420, a paper outlet of the paper bin 400 is communicated with an inlet of the second channel 200, and paper in the paper bin 400 enters the second channel 200 and then is transmitted from an outlet at the tail end of the common channel through the common channel 300 to finish printing operation.
And, the joint of the first channel 100 and the second channel 200 is rotatably provided with a paper guide 120, the paper guide 120 is covered at the outlet of the second channel 200 and extends towards the direction of the common channel 300, the paper in the second channel 200 can directly abut against the paper guide 120 and then enter the common channel 300, and meanwhile, the paper guide 120 can also prevent the scanned paper in the first channel 100 or the returned scanned paper in the common channel 300 from entering the second channel 200.
Preferably, a paper correcting shaft 410 is arranged at the joint of the second channel 200 and the paper bin 400, so that paper is more straight and is guaranteed not to be jammed.
The printing apparatus 400 and the scanning apparatus 500 are installed at the common tunnel 300. The scanning device 500 may also be installed at the first passage 100, as needed. As can be seen in fig. 1, the scanning device 500 is located upstream of the printing device 400, and the scanning device 500 is located substantially at the junction of the first channel 100, the second channel 200 and the common channel 300. Of course, the all-in-one machine is further provided with a cutter device 600, and the cutter device 600 is positioned at the tail end of the common channel 300 and is positioned at the downstream of the printing device 400. The printing device 400, the scanning device 500 and the cutter device 600 may all adopt the structure of the prior art, and are not described again.
As shown in fig. 2, a first paper guide roller is disposed in the first path 100, a second paper guide roller is disposed in the second path 200, and a third paper guide roller 310 is disposed in the common path 300. As shown in fig. 6, a first output gear 50 is disposed at the first paper guide roller, a second output gear 60 is disposed at the second paper guide roller, and a third output gear 90 is disposed at the third paper guide roller 310.
Specifically, as shown in fig. 2, the first paper guide rollers include a first driving paper guide roller 130 and a first driven paper guide roller 140, which are respectively located at the upper and lower sides of the first channel 100 and are oppositely arranged; as shown in fig. 6, the first output gear 50 is fixed to the side end of the first driving paper guide roller 130. Similarly, the second paper guide roller comprises a second driving paper guide roller 210 and a second driven paper guide roller 220 which are respectively positioned at the lower side and the upper side of the second channel 200 and are oppositely arranged, and the second output gear 60 is fixedly connected to the side end of the second driving paper guide roller 210. Also, the scanning apparatus 500 is located between the first paper guide roller and the printing apparatus 400, the third paper guide roller 310 is disposed opposite to the scanning apparatus 500, and the third output gear 90 is also disposed at a side end of the third paper guide roller 310.
The main driving mechanism drives the third paper guide roller 310 to rotate, including forward rotation and reverse rotation.
In this embodiment, the main driving mechanism includes a main driving motor 700 and a main driving gear set 710 in transmission connection with the main driving motor 700, and the third paper guiding roller 310 is connected to the main driving gear set 710. As shown in fig. 4 and 5, the main driving gear set 710 has a conventional gear structure, and the third paper guide roller 310 is fixedly connected to one of the gears of the main driving gear set 710.
In this embodiment, the all-in-one machine further includes a printing rubber roller 720, and the printing rubber roller 720 is connected to the main driving gear group 710 in a transmission manner, is located in the common channel 300, and is arranged opposite to the printing device 400. That is, the printing roller 720 is fixed to another gear of the main driving gear group 710, which is the same as the direction of rotation of the third paper guide roller 310.
The reversing mechanism selectively transmits the power of the main driving mechanism to the first paper guide roller or the second paper guide roller through the third paper guide roller 310 to form a first transmission chain consisting of the driving mechanism, the third paper guide roller 310 and the first paper guide roller or a second transmission chain consisting of the driving mechanism, the third paper guide roller 310 and the second paper guide roller; before the reversing mechanism is connected with the first paper guide roller, the second transmission chain is reversed to drive the paper reel 420 to be reversed, the paper of the paper roll is reversely wound on the paper roll and is returned to the second channel 200, namely, the second transmission chain is reversed to return the paper to be printed to the second channel 200, so that the phenomenon that the paper of the paper roll stays in the shared channel 300 to cause paper jam when the first channel 100 and the shared channel 300 are used is avoided.
As shown in fig. 6 to 11, the reversing mechanism includes a reversing motor 10, a reversing cam 20, a reversing swing link 30, and a reversing gear 40.
The reversing cam 20 is drivingly connected to the reversing motor 10 and is rotatable with the reversing motor 10, and a conventional gear drive may be used for transmission between the two.
The reversing gear 40 is mounted on the reversing swing rod 30, the reversing swing rod 30 can be matched with the reversing cam 20 and swing between a first position and a second position, the reversing gear 40 is meshed with the first output gear 50 when the reversing swing rod 30 is located at the first position, and the reversing gear 40 is meshed with the second output gear 60 when the reversing swing rod 30 is located at the second position. In this embodiment, as shown in fig. 6, the reversing gear 40 and the third output gear 90 are always in meshed engagement.
In this embodiment, the reversing cam 30 includes a cam body 21, and the cam body 21 is provided with a cam groove 22 in a closed state. A first arc section 23 and a second arc section 24 are arranged on the groove wall of the cam groove 22, and specifically, the first arc section 23 comprises a first arc section 23 located on the outer groove wall of the cam groove 22 and a first arc section 23 located on the inner groove wall of the cam groove 22; the second arc segment 24 comprises a second arc segment 24 positioned on the outer groove wall of the cam groove 22 and a second arc segment 24 positioned on the inner groove wall of the cam groove 22.
Further, the cam body 21 is provided with a transition section 25 and a pressure point section 26 which are adjacently arranged on the periphery. As shown in fig. 11, the transition section 25 is located to the right of the pressure point section 26 to facilitate the counter-clockwise rotation of the reversing cam 20. If necessary, the transition section 25 can also be located to the left of the pressure point section 26 to facilitate the clockwise rotation of the reversing cam 20; alternatively, transition sections 25 are provided on both the left and right sides of the pressure point section 26, so that the reversing cam 20 can rotate either clockwise or counterclockwise.
In practical design, the central angle a1 corresponding to the first circular arc segment 23 and the central angle a2 corresponding to the second circular arc segment 24 are both greater than the central angle a3 corresponding to the pressure point segment 26. It is ensured that the reversing gear 40 has engaged the first output gear 50 or the second output gear 60 before the activation of the subsequently involved first position switch 70 or second position switch 80.
The reversing gear 40 is mounted on the reversing swing rod 30, the reversing swing rod 30 can be matched with the reversing cam 20 and swing between a first position and a second position, the reversing gear 40 is meshed with the first output gear 50 when the reversing swing rod 30 is located at the first position, and the reversing gear 40 is meshed with the second output gear 60 when the reversing swing rod 30 is located at the second position.
In this embodiment, as shown in fig. 10, the reversing swing link 30 is provided with an extending portion 31, and the extending portion 31 extends into the cam groove 22.
In this embodiment, the reversing swing link 30 is substantially triangular, or may be linearly arranged, but not limited thereto. A rotating shaft hole 32 is formed at a first vertex angle of the reversing swing rod 30, the third paper guide roller 310 is in rotating fit with the rotating shaft hole 32 so that the reversing swing rod 30 can swing around the third paper guide roller 310, and the third output gear 90 is positioned on the outer side of the reversing swing rod 30; the second vertex angle is provided with the reversing gear 40, and the third vertex angle is provided with the extending part 31. As shown in fig. 10, the reversing gear 40 is located on the front side of the reversing swing link 30, and the protruding portion 31 is located on the back side of the reversing swing link 30.
The protrusion 31 is a cylindrical projection. As shown in fig. 6, when the protruding portion 31 is located in the second arc segment 24, the reversing gear 40 is engaged with the first output gear 50; as shown in fig. 7, the reversing gear 40 meshes with the second output gear 60 when the protrusion 31 is located in the first circular arc segment 23.
In order to ensure that the reversing gear 40 can be meshed with the first output gear 50 or the second output gear 60 in place, the reversing structure is further provided with a first signal sensor and a second signal sensor, in the embodiment, the first signal sensor and the second signal sensor respectively adopt a first in-place switch 70 and a second in-place switch 80, the first in-place switch 70 and the second in-place switch 80 are respectively arranged on two sides of the cam body 21, when the cam body 21 triggers the first in-place switch 70, the reversing gear 40 is meshed with the first output gear 50 in place and the reversing motor 10 stops rotating, and when the cam body 21 triggers the second in-place switch 80, the reversing gear 40 is meshed with the second output gear 60 in place and the reversing motor 10 stops rotating.
As shown in fig. 6 and 7, the first in-position switch 70 is rotatably provided with a first trigger lever 71, and the second in-position switch 80 is rotatably provided with a second trigger lever 81. Because the outer periphery of the cam body 21 is provided with the transition section 25 and the pressure point section 26, the first in-place switch 70 or the second in-place switch 80 is firstly matched with the transition section 25 and the pressure point section 26, that is:
when the first trigger rod 71 is correspondingly matched with the transition section 25 in the rotation process of the cam body 21, the reversing gear 40 is meshed with the first output gear 50; when the first trigger lever 71 is correspondingly engaged with the pressure point section 26, the reversing gear 40 is engaged with the first output gear 50, the pressure point section 26 presses against the first trigger lever 71, the first trigger lever 71 generates a trigger signal, and the reversing motor 10 stops rotating after receiving the trigger signal; similarly, when the second trigger lever 81 is correspondingly engaged with the transition section 25, the reversing gear 40 is engaged with the second output gear 60; when the second trigger rod 81 is correspondingly engaged with the pressure point section 26, and the reversing gear 40 is engaged with the second output gear 60, the pressure point section 26 presses against the second trigger rod 81, the second trigger rod 81 generates a trigger signal, and the reversing motor 10 stops rotating after receiving the trigger signal.
Since the transition section 25 and the pressure point section 26 are arranged in a curved surface in consideration of the delay of the trigger signal, and at the same time, a1 and a2 are both larger than a3, it is ensured that the reversing gear 40 is already engaged with the first output gear 50 or the second output gear 60 before the first trigger lever 71 or the second trigger lever 81 is triggered.
The reversing mechanism is compact and simple, and has a good and stable transmission effect. And, by designing the cam body 21 and cooperating with the use of the first in-position switch 70 and the second in-position switch 80, perfect engagement between the direction changing gear 40 and the first output gear 50 or the second output gear 60 can be ensured.
The working principle of the printer is as follows:
taking the initial state as an example where the reversing gear 40 is engaged with the first output gear 50, assuming that the reversing mechanism is connected to the first paper guide roller in the initial state:
first, when copying after scanning is needed, scanning operation is firstly carried out:
at this time, the operation of retracting the paper of the paper roll needs to be performed first: the reversing mechanism performs reversing action to connect the second paper guide roller; then, the main driving motor 700 rotates reversely to drive the third paper guiding roller 310, the second paper guiding roller and the paper winding shaft 420 to rotate reversely, so as to rewind the paper of the paper roll and return the paper into the second channel 200; then, the reversing mechanism performs reversing action to connect the first paper guide roller;
the paper to be scanned is put into the opening 110 at the top end of the first channel, the scanning device 500 is started, the main driving motor 700 rotates in the forward direction, the main driving gear group 710 drives the third paper guide roller 310 and the printing rubber roller 720 to rotate in the forward direction, the third output gear 90 rotates under the action of the third paper guide roller 310, the reversing gear 40 is meshed with the first output gear 50, the first active paper guide roller 130 rotates to drive the paper to be scanned to be transmitted along the first channel 100 and the common channel 300, the paper to be scanned is scanned when moving to the scanning device 500, and the paper to be scanned continues to move to the tail end of the common channel 300 under the action of the third paper guide roller 310 and the printing rubber roller 720 until the scanning is finished;
then, a printing operation is performed: the reversing swing link 30 swings under the action of the reversing motor 10, the reversing gear 40 swings downwards until being meshed with the second output gear 60, at this time, the main driving motor 700 rotates forwards to drive the second driving paper guide roller 210, the third paper guide roller 310 and the printing rubber roller 720 to rotate forwards, paper in the paper bin 400 is clamped by the second driving paper guide roller 210 and the second driven paper guide roller 220 and is transmitted along the directions of the second channel 200 and the common channel 300, the paper passes through the third paper guide roller 310 and then moves to the printing device 400 to be printed, the paper moves to the tail end of the common channel 300 under the action of the printing rubber roller 720, and finally, the printing operation is finished by cutting through the cutter device 600.
Secondly, when only the printing operation is needed, the printing steps can be adopted; or, the paper to be printed may be placed at the top opening 110 of the first channel, the paper roll is retracted, the main driving mechanism is started to rotate forward to drive the first paper guiding roller, the third paper guiding roller and the printing rubber roller to rotate forward, and after the printing device is started to perform the printing operation on the paper, the printed paper is output from the outlet at the end of the common channel 300.
Thirdly, when only the scanning operation is needed, only the scanning step is needed.
Fourthly, when the paper to be scanned needs to be printed, the scanning operation is performed first, and when the paper is separated from the scanning device 500 but not separated from the printing rubber roller 720, the first transmission chain rotates reversely, the scanned paper retreats to the upstream of the scanning device 500, and the first transmission chain rotates forward again to drive the scanned paper to pass through the first channel 100 again to enter the common channel 300 and to perform the printing operation when the scanned paper passes through the printing device 400.
The above description is only a preferred embodiment of the present invention, and therefore should not be taken as limiting the scope of the invention, which is defined by the appended claims and their equivalents.
Claims (10)
1. All-in-one is printed in scanning of sharing power supply, its characterized in that: the printing device is arranged at the shared channel, and the scanning device is arranged at the first channel or the shared channel;
the paper guide device is characterized in that a first paper guide roller is arranged in the first channel, a second paper guide roller is arranged in the second channel, a third paper guide roller is arranged in the shared channel, a main driving mechanism and a reversing mechanism are arranged in the shared channel, the main driving mechanism drives the third paper guide roller to rotate, and power of the main driving mechanism is selectively transmitted to the first paper guide roller or the second paper guide roller through the third paper guide roller through the reversing mechanism.
2. A scanning and printing all-in-one machine with a common power source as claimed in claim 1, wherein: the reversing mechanism comprises a reversing motor, a reversing cam, a reversing swing rod and a reversing gear, wherein a first output gear is arranged at a first paper guide roller, a second output gear is arranged at a second paper guide roller, the reversing cam is connected with the reversing motor in a transmission mode and can rotate along with the rotation of the reversing motor, the reversing gear is installed on the reversing swing rod, the reversing swing rod can be matched with the reversing cam and swing between a first position and a second position, the reversing gear is meshed with the first output gear when the reversing swing rod is located at the first position, and the reversing gear is meshed with the second output gear when the reversing swing rod is located at the second position.
3. A scanning and printing all-in-one machine with a common power source as claimed in claim 2, wherein: and a third output gear is arranged at the third paper guide roller, and the reversing gear and the third output gear are always in meshed fit.
4. A scanning and printing all-in-one machine with a common power source as claimed in claim 2, wherein: the reversing cam comprises a cam body, the cam body is provided with a cam groove in a closed state, and the reversing swing rod is provided with an extending part which extends into the cam groove.
5. A scanning and printing all-in-one machine with a common power source as claimed in claim 3, wherein: the reversing motor further comprises a signal sensor which is arranged on the periphery of the cam body, and the cam body triggers the signal sensor to stop the reversing motor when the reversing gear is meshed with the first output gear in place or the reversing gear is meshed with the second output gear in place.
6. A scanning and printing all-in-one machine with a common power source as claimed in claim 2, wherein: the first paper guide roller comprises a first driving paper guide roller and a first driven paper guide roller which are respectively positioned at two sides of the first channel and are oppositely arranged, and the first output gear is fixedly connected to the first driving paper guide roller; the second paper guide roller comprises a second driving paper guide roller and a second driven paper guide roller which are respectively located on two sides of the second channel and are oppositely arranged, and the second output gear is fixedly connected to the second driving paper guide roller.
7. A scanning and printing all-in-one machine with a common power source as claimed in claim 3, wherein: the scanning device is located between the first paper guide roller and the printing device, and the third paper guide roller is arranged opposite to the scanning device and has a gap.
8. A scanning and printing all-in-one machine with a common power source as claimed in claim 1, wherein: the main driving mechanism comprises a main driving motor and a main driving gear set in transmission connection with the main driving motor, and the third paper guide roller is connected with the main driving gear set.
9. A scanning and printing all-in-one machine with a common power source as claimed in claim 8, wherein: the all-in-one machine also comprises a printing rubber roller which is in transmission connection with the main driving gear set, is positioned in the shared channel and is arranged opposite to the printing device.
10. All-in-one is printed in scanning of sharing power supply, its characterized in that: the printing device is arranged at the shared channel, and the scanning device is arranged at the first channel or the shared channel;
the first channel is internally provided with a first paper guide roller, the second channel is internally provided with a second paper guide roller, the shared channel is internally provided with a third paper guide roller, and the shared channel is additionally provided with a main driving mechanism and a reversing mechanism, the main driving mechanism drives the third paper guide roller to rotate forwards or reversely, the reversing mechanism selectively transmits the power of the main driving mechanism to the first paper guide roller or the second paper guide roller through the third paper guide roller, so that a first transmission chain consisting of the driving mechanism, the third paper guide roller and the first paper guide roller or a second transmission chain consisting of the driving mechanism, the third paper guide roller and the second paper guide roller is formed;
and before the reversing mechanism is connected with the first paper guide roller, the second transmission chain reverses to retreat the paper to be printed into the second channel.
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| CN113470273B (en) | 2024-09-06 |
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