WO2013000360A1

WO2013000360A1 - Paper holder mechanism and printer device having the paper tray mechanism

Info

Publication number: WO2013000360A1
Application number: PCT/CN2012/076945
Authority: WO
Inventors: 张政民; 王晓东; 张继刚; 赵振兴
Original assignee: 山东新北洋信息技术股份有限公司
Priority date: 2011-06-30
Filing date: 2012-06-14
Publication date: 2013-01-03
Also published as: CN102848740A; CN102848740B

Abstract

Disclosed are a paper holder mechanism (300) and a printer device having the paper holder mechanism. The paper holder mechanism comprises: a paper holding rubber roller (3), a paper feed path arranged on a paper feeding side of the paper holding rubber roller, and a paper holding space (C) arranged at the paper feeding side of the paper holding rubber roller. The paper feed path comprises a fixed path plate (1), a movable path plate (2) pivotally connected to a machine frame, and a flexible element allowing the movable path plate to deflect towards the fixed path plate to shut the paper feed path. The movable path plate is provided with a first position abutting against the fixed path plate to shut the paper feed path and to open an opening (D) of the paper holding space, and a second position away from the fixed path plate to open the paper feed path and to shut the opening of the paper holding space. Whether bending upwards or downwards, a printing paper (R) is allowed to be fed smoothly into the paper holding rubber roller or to be retracted smoothly into the paper holding space. This effectively prevents the printing paper from being jammed at the opening of the paper holding space during a printing process, or from being blocked from entering the paper holding space during a paper reverse feed process.

Description

Paper-receiving mechanism and printing device having the same

This application claims the priority of the Chinese invention patent application filed on June 30, 2011 to the Chinese State Intellectual Property Office with the application number 201110182072.9 and the name "paper-receiving mechanism and printing device with the paper-holding mechanism". The disclosure is hereby incorporated by reference. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a paper accommodating mechanism used in an embedded printing device of a self-service terminal device, and to a printing device having the paper accommodating mechanism. Background Art Currently, self-service terminal devices having embedded printing devices are widely used in daily life. For example, in the telecom business hall, people query and print a list of bills through self-service terminal devices; in the bank self-service kiosk, people access funds and print transaction credentials through self-service terminal devices. In order to meet the special needs of self-service terminal equipment in public applications, a paper-holding mechanism is usually arranged between the paper exit of the self-service terminal and the printing device for temporarily storing the printing paper before the printing is completed, so as to avoid the user pulling the printing during the printing process. The document causes the equipment to malfunction, or recycles the forgotten printing paper of the user, so as to avoid the leakage of the user's personal information. FIG. 1 is a schematic diagram of a printing device using a conventional paper-holding mechanism. As shown in Figure 1, the paper-receiving mechanism 3' is connected to the paper exit of the paper-cutting unit 2', and the paper-filling roller 31' of the paper-holding mechanism 3' is fixed to the frame of the paper-receiving mechanism (not shown). Above, between the paper-receiving roller 31' and the paper exit of the cutter assembly 2', a paper-carrying upper passage plate 32' and a paper-containing lower passage plate 33' fixedly connected to the frame are disposed; the paper-receiving lower passage plate 33 'There is a certain distance between the paper roller 3 Γ and the paper opening D. The printing paper R can enter the paper-filling space under the paper-receiving channel plate 33' through the paper-filling opening D. The roller 31' stops the rotation after clamping the end of the printing paper R, and the printing paper R advanced by the printing rubber roller 12' of the printing unit 由 is pressed by the paper opening D under the squeezing of the paper upper channel plate 32'. The paper-filling space C is temporarily stored in the paper-capturing space C in a "U"shape; after the printing is finished, the paper-capacitating roller 31' drives the printing paper R to discharge the paper-feeding port Q, and clamps the tail of the printing paper R, waiting for the user to take When the printing paper R is not taken away after waiting for the set time, the paper towel roller 31' rotates in the paper ejection direction, and the driving paper R is driven from the paper opening D. The inside of the paper space C. Since the printing paper is usually a web, it has a certain degree of curvature, especially when the outer diameter of the paper roll is small, the bending of the printing paper is greater. If the printing paper is bent in the direction of the paper opening D, it is easy to feed the paper. Passing the paper opening D into the paper-filling rubber roller 3 Γ, and the jam is at the paper opening D; if the printing paper is bent away from the paper opening D, it is easy to enter the paper-filling space from the paper opening D when the paper is ejected. C, and directly enters between the upper paper passage plate 32' and the lower paper passage plate 33', blocking the paper feed passage, thereby causing equipment failure. SUMMARY OF THE INVENTION An object of the present invention is to provide a paper accommodating mechanism capable of preventing jamming of a printing paper during transportation and a printing apparatus having the same, which can reliably feed or eject paper regardless of the direction in which the paper is bent. In order to achieve the above object, according to an aspect of the present invention, a paper accommodating mechanism is provided, comprising: a paper-receiving rubber roller comprising a first rotating roller and a second rotating roller disposed oppositely and tangentially; a paper feed passage, arranged On the paper feeding side of the paper-receiving rubber roller, a fixed channel plate fixed on the frame of the paper-receiving mechanism, a movable channel plate pivotally connected to the frame, and a pivoting end of the movable channel plate is located in the paper-feeding channel a paper feed port, and an elastic member for deflecting the movable passage plate toward the fixed passage plate to close the paper feed passage, and a paper-containing space, disposed on the paper feed side of the paper-adhesive roller, and the opening of the paper-receiving space is a movable passage plate, wherein the movable passage plate has a first position abutting against the fixed passage plate to close the paper feed passage and open the opening of the paper receiving space, and an opening away from the fixed passage plate to open the paper feed passage and close the paper receiving space The second position. Further, when the movable channel plate is in the first position, the movable channel plate and the fixed channel plate are disposed at an angle. Further, the free end of the movable channel plate is provided with a plurality of protrusions arranged along the width direction of the paper feed channel, and the fixed channel plate is provided with a groove for accommodating a plurality of protrusions. Further, the fixed channel plate further includes a paper ejection guide formed on the paper feeding side of the paper-adhesive roller, and the paper for retracting the paper-adhesive roller is guided into the paper-receiving space. Further, the paper-receiving mechanism further includes a paper detecting sensor disposed on a paper discharge side of the paper-receiving roller. Further, the paper-facing surface of the movable passage plate is inclined to the paper feed direction. Further, the above elastic member is a torsion spring. Further, the fixed passage plate is on the upper side of the paper feed passage, the movable passage plate is on the lower side of the paper feed passage, and the paper receiving space is located below the movable passage plate. Further, the fixed passage plate is located on the lower side of the paper feed passage, the movable passage plate is located on the upper side of the paper passage, and the paper receiving space is located above the movable passage plate. According to another aspect of the present invention, there is also provided a printing apparatus comprising a paper roll supporting assembly, a printing unit, a paper cutting unit, and a paper arranging according to the above, disposed downstream of the paper cutting unit. mechanism. In the present invention, a fixed channel plate fixedly connected to the frame and a movable channel plate pivotally connected to the frame are disposed on the paper feeding side of the paper-receiving rubber roller, and a printing paper is formed between the fixed channel plate and the movable channel plate. The paper path. When feeding paper, the paper head of the printing paper pushes the movable channel plate to flip, the paper feeding passage is opened, and the paper opening is closed, thereby guiding the printing paper to smoothly enter the paper-receiving rubber roller; when the paper is ejected, the movable channel plate is automatically flipped and Abutting the fixed channel plate, closing the paper path, and opening the paper opening, the paper can smoothly retreat from the paper opening to the paper space. Therefore, whether the printing paper is bent upward or downward, it can smoothly enter the paper-receiving roller or retract into the paper-receiving space, effectively preventing the printing paper from jamming at the paper-receiving opening during the feeding process, or The problem that the paper cannot enter the paper space during the paper ejection process. In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. The invention will now be described in further detail with reference to the drawings. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in FIG 1 is a schematic view of a printing device of a prior art paper-holding mechanism; FIG. 2 is a schematic view of a paper-holding mechanism according to a first embodiment of the present invention; FIG. 3 is a paper-holding mechanism according to a first embodiment of the present invention. 4 is a schematic view of a movable passage plate of a paper-holding mechanism according to a first embodiment of the present invention, and a fixed passage plate; FIG. 5 is a paper-receiving mechanism according to the present invention; A schematic view of an embodiment of a printing device, wherein the movable channel plate of the paper-receiving mechanism is located at a first position; FIG. 6 is a schematic view of an embodiment of a printing device having a paper-holding mechanism according to the present invention, wherein the paper-receiving mechanism is The moving channel plate is in the second position; Figure 7 is a schematic illustration of an embodiment of a printing apparatus having a paper-receiving mechanism in accordance with the present invention, wherein the movable channel plate of the paper-receiving mechanism is in a third position. Figure 8 is a schematic view of an embodiment of a printing apparatus having a paper-receiving mechanism according to the present invention, wherein the movable passage plate of the paper-receiving mechanism is in the first position, and the paper-adhesive roller is discharged; Figure 9 is a paper-receiving mechanism according to the present invention. A schematic view of an embodiment of the printing apparatus, wherein the movable channel plate of the paper-receiving mechanism is in the first position, the printing paper is retracted to the paper-receiving space; and FIG. 10 is a schematic view of the paper-holding mechanism according to the second embodiment of the present invention. . Description of the reference numerals

1 fixed channel plate 21 movable channel plate

22 elastic elements 3 paper-filled rubber rollers

4 paper machine motor 5 paper detection sensor

31 first rotating roller 32 second rotating roller

311 first mandrel 312 first roll body

321 second mandrel 322 second roll body

11 slots 12 eject guides

211 bulge

100 printing unit 200 paper cutting unit

300 paper-capacity mechanism 400 paper roll support assembly

110 print head 120 print rubber roller

210 fixed blade 220 movable blade. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The embodiments of the present invention are described in detail below with reference to the accompanying drawings. 2 is a schematic view of a paper accommodating mechanism in accordance with a first embodiment of the present invention. As shown in FIG. 2, the paper-receiving mechanism includes a fixed passage plate 1, a movable passage plate 21, an elastic member 22, a paper-capable rubber roller 3 and a paper-capturing motor 4, and a paper detecting sensor 5. The fixed channel plate 1 is fixedly connected to the frame of the paper-receiving mechanism, and one end of the movable channel plate 21 is pivotally connected to the frame of the paper-receiving mechanism through the rotating shaft 23, and the other end is suspended. A paper feed path for the printing paper is formed between the fixed passage plate 1 and the movable passage plate 21. The pivoting end of the movable passage plate 21 is spaced apart from the fixed passage plate 1 by a set distance to form an inlet P of the paper-receiving mechanism. The free end of the movable passage plate 21 is rotatable about the rotating shaft 23, abutting or separating from the fixed passage plate 1, and has a first position for closing the paper feed passage and a second position for opening the paper feed passage. The number of the elastic members 22 is at least one, one end of which is connected to the movable passage plate 21, and the other end is connected to the frame of the paper-receiving mechanism. Under the action of the elastic member 22, the movable passage plate 21 always exists to the fixed passage plate 1 The movement of the paper feed passage is closed by abutting against the fixed passage plate 1. In the advancing direction of the printing paper, the paper-adhesive rubber roller 3 is located downstream of the paper-feeding passage, one side of which is connected to the paper discharge port of the paper-feeding passage, and the other side is connected to the outlet Q of the paper-receiving mechanism for conveying the printing paper. The paper-receiving rubber roller 3 includes a first rotating roller 31 and a second rotating roller 32 which are disposed oppositely and tangentially, one of which is a driving roller and the other is a driven roller. In this embodiment, the first roller 31 is a driven roller, and the second rotating roller 32 is a driving roller. The first rotating roller 31 includes a first mandrel 311 and a first roller body 312 disposed on the outer circumference of the first mandrel 311, and the first roller body 312 may be an integral roller having a length corresponding to the maximum width of the printing paper, It may be a segmented roller arranged axially spaced along the first rotating roller 31; the second rotating roller 32 includes a second mandrel 321 and a second roller body 322 disposed on the outer circumference of the second mandrel 321, and likewise, the second roller The body 322 may be an integral roller having a length that matches the maximum width of the printing paper, or a segmented roller that is axially spaced along the second rotating roller 32. It should be noted that when the first roller body 312 and When the second roller bodies 322 are all segmented rollers, the position of the first roller body 312 and the segmented roller of the second roller body 322 in the axial direction of the mandrel corresponds to each other. In this embodiment, in the width direction of the printing paper, the first roller body 312 is a three-stage segmented roller arranged axially spaced along the first mandrel 311, and the second roller body 322 is adapted to the maximum width of the printing paper. One roll. The paper-carrying motor 4 is connected to the driving roller in the paper-retaining rubber roller 3. In this embodiment, the paper-receiving motor 4 is connected to the second rotating roller 32, and can drive the second rotating roller 32 to rotate clockwise or counterclockwise. The printing paper between the first reel 31 and the second reel 32 advances or retreats. Between the paper-receiving rubber roller 3 and the paper discharge port Q of the paper-receiving mechanism, a paper detecting sensor 5 is further provided for detecting whether the printing paper reaches a predetermined position, thereby controlling the paper-receiving motor 4 to perform a corresponding action. 3 is a schematic structural view of a movable passage plate of a paper accommodating mechanism according to a first embodiment of the present invention. As shown in FIG. 2 and FIG. 3, the fixed passage plate 1 is disposed at an angle of the inlet P at an angle with the movable passage plate 21, extends away from the movable passage plate 21, and the other end thereof is connected to the paper-filling rubber roller 3. It is used to guide the printing paper from the inlet P into the paper towel roller 3. At least two grooves 11 are provided on the fixed passage plate 1 in the width direction of the printing paper, and the respective grooves 11 are spaced apart by a set distance, and the depth of each groove 11 extends in a direction away from the paper feed passage. The surface of the movable passage plate facing the paper and the paper feed direction are preferably arranged obliquely so as to easily push the movable passage plate when the paper is fed. 4 is a perspective view showing abutment engagement of a movable passage plate and a fixed passage plate of a paper accommodating mechanism according to a first embodiment of the present invention. As shown in Figs. 2 to 4, the length of the movable passage plate 21 extends in the width direction of the printing paper; the width of the movable passage plate 21 extends in the conveying direction of the printing paper. At one end of the movable passage plate 21 adjacent to the second rotating roller 32, at least two projections 211 are provided, and the width of each projection 211 is adapted to the width of the groove 11 of the fixed passage plate 1, and can be disposed in the fixed passage The slots 11 corresponding to the positions on the board 1 are correspondingly cross-abutted. When the protrusions 211 of the movable channel plate 21 abut against the slots 11 on the fixed channel plate 1, the slots 11 restrict the movable channel plate 21 only. It is possible to rotate in a direction away from the fixed passage plate 1. The movable passage plate 21 abuts against the fixed passage plate 1 under the action of the elastic member 22 without being subjected to an external force, and the movable passage plate 21 is located at the first position of the closed paper feed passage; When the paper is subjected to the thrust of the printing paper, the movable passage plate 21 is rotated about the rotating shaft 23 to be separated from the fixed passage plate 1, and the movable passage plate 21 may be located at the second position where the paper feed path is opened or the third position of the paper receiving space C. When the movable passage plate 21 is in the first position, the movable passage plate 21 abuts against the fixed passage plate 1, the paper feed passage of the printing paper is closed, and is formed between the movable passage plate 21 and the paper-retaining rubber roller 3. Paper opening D. When feeding paper, the paper head of the printing paper pushes the movable channel plate 21 to the second position to open the paper feeding passage, and the movable channel plate 21 located at the second position closes the paper receiving opening D, thereby guiding the printing paper to smoothly enter the capacity. When the paper-receiving roller 3 holds the paper head of the printing paper and stops rotating, the paper which is continuously conveyed accumulates, and the movable channel plate 21 is pushed against the elastic force of the elastic member 22 to open the paper. The opening D, the movable passage plate 21 is located at the third position into the paper-receiving space C, and the printing paper entered by the inlet P can be temporarily stored in the paper-receiving space C through the paper-receiving opening D. When the paper is ejected, the paper tail of the printing paper is separated from the movable channel plate 21, and the movable channel plate 21 is automatically flipped under the elastic force of the elastic member 22 to a first position abutting with the fixed channel plate 1, in the first position. The movable passage plate 21 closes the paper feed passage and opens the paper-receiving opening D, and at the same time, since the gap between the fixed passage plate 1 and the movable passage plate 21 with the abutment fits, the printing paper can be smoothly returned from the paper opening D Retreat to the paper space C. It should be noted that, in order to ensure that the paper head of the printing paper can push the movable channel plate 21 to reverse during the conveying process, it is generally required that the elastic force of the elastic member 22 is as small as possible, so that the elastic force of the elastic member 22 can be overcome to be movable. The gravity of the passage plate 21 allows the movable passage plate 21 to be stopped at the first position. The elastic force of the elastic member 22 needs to be designed according to the weight of the movable passage plate 21. For example, when the movable passage plate 21 is made of a plastic material, the elastic force of the elastic member 22 can be designed to be about 0.5 N 1 N, if a metal material is used. The weight is heavier, and the elastic force of the elastic member 22 can be correspondingly increased, for example, designed to be 1N to 2N. It should be noted that when the second roller body 322 is a segmented roller, the protrusion 211 of the movable channel plate 21 may be disposed at a space between the segment rollers so that when the movable channel plate 21 is at the second position The printing paper can be introduced more smoothly and sandwiched by the second rotating roller 32 and the first rotating roller 31; further, the surface of the movable passage plate 21, and the surface of the fixed passage plate 1 can also be provided along the printing paper. At least one paper rib extending in the direction makes the printing paper have small conveying friction and smooth operation. It should be noted that the fixed channel plate 1 may further include a paper ejection guide portion 12 formed on the paper feed side of the paper towel roller 3, and the paper ejection guide portion 12 is preferably curved to change the retracting direction of the printing paper. The printing paper that retracts the paper towel roller 3 is guided into the paper receiving space C. In the embodiment, in the printing paper conveying direction, the fixed passage plate 1 is located above the printing paper, and the movable passage plate 21 is located below the printing paper, so that the paper receiving space C is disposed below the movable passage plate 21, that is, Below the paper conveying path. In other embodiments, the fixed channel plate 1 may be disposed under the printing paper along the printing paper conveying direction, and the movable channel plate 21 is disposed above the printing paper, and the paper receiving space C may be set at the movable position. Above the channel plate 21, that is, above the printing paper conveying path. Figure 5 is a schematic illustration of an embodiment of a printing apparatus having a paper holding mechanism in accordance with the present invention. As shown in FIG. 5, the printing apparatus includes a printing assembly 100, a paper cutting assembly 200 and a paper holding mechanism 300, and a paper roll support assembly 400. The paper roll support assembly 400 is for supporting a paper roll R for printing; the print assembly 100 is located downstream of the paper roll support assembly 400 for printing an image or text on the printing paper R; the paper cutting assembly 200 is for printing to complete printing Paper cutting mechanism 300 is used to temporarily store the printing paper before the printing is completed, and to recycle the paper forgotten by the user. In this embodiment, the printing assembly 100 is a thermal printing assembly including a print head 110 and a printing rubber roller 120 disposed opposite each other on both sides of the channel. When printing, the printing paper R passes between the printing head 110 and the printing rubber roller 120, and the printing rubber roller 120 drives the printing paper to the downstream of the printing assembly 100 while supporting the printing paper to cooperate with the printing head 110, while the printing head 110 is The image or text is printed continuously on the paper. In other embodiments of the present invention, the printing assembly may also be of the pin type, ink jet or laser type, etc., since conventional pin, inkjet, laser, etc. printing component setting forms are well known to those skilled in the art, and their settings It has little relevance to the invention and will not be described again. The paper cutting assembly 200 is located downstream of the printing assembly 10, and includes a fixed blade 210 and a movable blade 220 disposed oppositely. The printing paper R passes between the fixed blade 210 and the movable blade 220, and the movable blade 220 is opposed to the fixed blade 210. Reciprocating linear motion cuts the paper and separates it from the paper roll. The paper-holding mechanism 300 is located downstream of the paper cutting assembly 200, and its inlet P is connected to the paper discharge port of the paper cutting assembly 200. For the specific implementation of the paper-receiving mechanism 300, please refer to the description of FIG. 2 to FIG. 5 in the specification, which will not be repeated here. Next, the operation of the printing apparatus using the paper accommodating mechanism of the present invention will be described with reference to Figs. As shown in FIG. 6, after the printing device receives the printing command, while the printing head 110 prints on the printing paper, the printing rubber roller 120 drives the printing paper to advance downstream of the printing assembly 100, and the printing paper R is fixed from the paper cutting assembly 200. After passing between the blade 210 and the movable blade 220, the paper inlet mechanism 300 is entered by the inlet P of the paper-receiving mechanism 300. After the paper head of the printing paper R comes into contact with the movable channel plate 21 at the first position, the movable channel plate 21 is pushed against the elastic force of the elastic member 22 to rotate away from the fixed channel plate 1 to open the paper feed path. When the movable passage plate 21 is rotated to the second position, the movable passage plate 21 closes the paper-receiving opening D, so that the printing paper R can be smoothly conveyed to the first of the paper-adhesive roller 3 along the movable passage plate 21 Between the rotating roller 31 and the second rotating roller 32, at the same time, the paper conveying motor 4 drives the second rotating roller 32 to rotate in the paper feeding direction, and conveys the printing paper in the direction of the exit Q, when the paper detecting sensor 5 detects the presence of the printing paper. , the paper towel roller 3 stops rotating. As shown in FIG. 7, after the paper-filling rubber roller 3 stops rotating, the printing rubber roller 120 drives the printing paper to continue to advance, and the movable channel plate 21 continues to rotate under the action of gravity and the printing paper until it rotates to the third position. The printing paper enters the paper-receiving space C from the paper opening D, and is temporarily stored in the paper-receiving space C in a "U" shape. As shown in FIG. 8, after the printing is finished, the paper cutting unit 200 cuts the printing paper, and at the same time, the paper conveying motor 4 drives the second rotating roller 32 to continue to rotate in the paper feeding direction, and the driving printing paper is gradually discharged from the paper discharge port Q until the capacity is reached. The paper roller 3 grips only the tail of the printing paper, and at this time, the movable passage plate 21 is returned to the first position by the elastic force of the elastic member 22. As shown in Fig. 9, after waiting for the set time, if the printing paper is not taken away, the paper-carrying motor 4 drives the second rotating roller 32 to rotate in the ejecting direction. At this time, the movable passage plate 21 is subjected to the action of the elastic member 22. Abutting against the fixed channel plate 1 , there is no gap between the two, so that the retracted printing paper can smoothly enter the paper-receiving space C through the paper-receiving opening D, and fall into the interior of the paper-receiving mechanism for recycling, thereby effectively avoiding The disclosure of user information. Figure 10 is a schematic illustration of a paper accommodating mechanism in accordance with a second embodiment of the present invention. As shown in FIG. 10, this embodiment differs from the previous embodiment in that, in the embodiment, in the printing paper conveying direction, the fixed passage plate 1 is disposed below the printing paper, and the movable passage plate 21 is set in the printing. Above the paper, the movable passage plate 21 is rotated by the self-weight to the fixed passage plate 1 and abuts against the fixed passage plate 1, so that it is not necessary to provide the elastic member 22. In the case where it is not subjected to an external force, the movable passage plate 21 abuts against the fixed passage plate 1 by its own weight, the paper feed passage of the printing paper is closed, and the paper opening D is opened. When feeding paper, the paper head of the printing paper pushes the movable channel plate 21 to the second position to open the paper feeding passage, and the movable channel plate 21 located at the second position closes the paper receiving opening D, and the printing paper is along the fixed channel plate 1 Smoothly enter the paper towel roller 3. When the paper is allowed, the paper towel roller 3 holds the paper head of the printing paper, and the accumulated printing paper pushes the movable channel plate 21 to rotate against the gravity of the paper, and opens the paper opening D, and the movable channel plate 21 is located in the paper receiving space C. At the three positions, the printing paper entered by the inlet P can be temporarily stored in the paper receiving space C through the paper opening D. When the paper is ejected, the paper tail of the printing paper is separated from the movable channel plate 21, and the movable channel plate 21 is automatically flipped under the self-weight to the first position abutting with the fixed channel plate 1, and the movable channel located at the first position The plate 21 closes the paper feed path and opens the paper opening D, so that the printing paper smoothly retreats from the paper opening D to the paper receiving space 〇. In this embodiment, since the paper receiving space C is disposed on the upper side of the printing paper conveying passage, it is possible to adapt to different space use requirements of the user, and the adaptability of the paper holding mechanism is improved. As can be seen from the above description, when the paper feeding mechanism of the present invention feeds paper, the paper head of the printing paper pushes the movable channel plate 21 to be turned to the second position where the paper feeding path is opened, and at the same time, the paper opening is closed, thereby guiding the printing paper to smoothly enter. The paper feed roller 3; when the paper is ejected, the movable passage plate 21 is reversed by the elastic member 22 to the first position abutting with the fixed passage plate 1, and the paper passage is closed to open the paper opening, so that the printing paper can be smoothly The ground is retracted from the paper opening to the paper space. Therefore, whether the printing paper is bent upward or downward, it can smoothly enter the paper-receiving roller or retract into the paper-receiving space, effectively preventing the printing paper from jamming at the paper-receiving opening during the feeding process, or The problem that the paper cannot enter the paper space during the paper ejection process. The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims

Claim

A paper holding mechanism, comprising:

a paper-receiving rubber roller comprising: a first rotating roller and a second rotating roller disposed oppositely and tangentially; a paper feeding passage disposed on a paper feeding side of the paper-receiving rubber roller, comprising:

a fixed channel plate fixed to the frame of the paper-receiving mechanism,

a movable channel plate pivotally connected to the frame, the pivot end of the movable channel plate being located at a paper inlet of the paper feed path, and

Having deflected the movable channel plate toward the fixed channel plate to close the elastic member of the paper path, and

a paper receiving space disposed on a paper feeding side of the paper towel roller, and an opening of the paper receiving space faces the movable channel plate

Wherein the movable channel plate has a first position abutting the fixed channel plate to close the paper feed passage and open an opening of the paper-receiving space, and exiting the fixed channel plate to open the paper feed The passage and closing the second position of the opening of the paper-receiving space.

The paper accommodating mechanism according to claim 1, wherein when the movable channel plate is in the first position, the movable channel plate and the fixed channel plate are disposed at an angle .

The paper-receiving mechanism according to claim 2, wherein the free end of the movable channel plate is provided with a plurality of protrusions arranged along the width direction of the paper-feeding passage, and the fixed passage plate is provided There is a groove for accommodating the plurality of protrusions.

The paper-receiving mechanism according to claim 1, wherein the fixed passage plate further comprises a paper-releading guide formed on a paper-feeding side of the paper-receiving rubber roller, and is used for the paper-receiving glue The paper from which the roller is retracted is guided into the paper-receiving space.

The paper accommodating mechanism according to claim 1, further comprising a paper detecting sensor provided on a paper discharge side of the paper squeegee roller.

6. The paper accommodating mechanism according to claim 1, wherein the surface of the movable passage plate facing the paper is inclined with respect to the paper feed direction. The paper accommodating mechanism according to claim 1, wherein the elastic member is a torsion spring. The paper holding mechanism according to claim 1, wherein the fixed passage plate is on an upper side of the paper feed passage, the movable passage plate is on a lower side of the paper feed passage, and the paper is allowed The space is located below the movable channel plate. The paper-holding mechanism according to claim 1, wherein the fixed passage plate is located on a lower side of the paper feed passage, and the movable passage plate is on an upper side of the paper-receiving passage, the paper-holding The space is located above the movable channel plate. A printing apparatus comprising a paper roll support assembly, a printing assembly, and a paper cutting assembly arranged along a paper feed direction, further comprising: any one of claims 1 to 9 disposed downstream of the paper cutting assembly The paper holding mechanism.