Paper conveying device

Abstract

A paper conveying device, comprising a rack (1), a paper processing component (2), a paper accommodating component, a paper pickup component (4), and a lower plate descending component (5), wherein the paper processing component (2) is provided with a power output component (6) adapted to rotate in a forward direction when the paper processing component (2) is in a first working state and to rotate in a reverse direction when the paper processing component (2) is in a second working state; the paper accommodating component comprises an upper plate (31) and a lower plate (32), the upper plate (31) is mounted on the rack (1), the lower plate (32) is hingedly connected to the rack (1), an elastic element (8) is provided between the lower plate (32) and the rack (1), a stacking space for stacking paper is formed between the upper plate (31) and the lower plate (32), the front end of the paper accommodating component is provided with a paper outlet (33), and the paper outlet (33) is in communication with the stacking space; the paper pickup component (4) is mounted on the upper plate (31), and the paper pickup component (4) is adapted to make contact with the paper in the stacking space and to be driven to act so as to convey the paper towards the paper outlet (33). This paper conveying device is capable of promptly removing paper when a paper jam occurs, facilitating the clearance of the paper jam.

Description

Paper conveyor Technical Field

[0001] The invention relates to a paper conveying device, belonging to the technical field of paper conveying of office equipment. Background Art

[0002] Among office equipment, there is a type of paper processing device, such as a printer, shredder, stamping machine, or binder, which often uses a paper feeder. The paper feeder is a device that feeds paper to the paper processing component. In the prior art, Chinese Patent Publication No. CN213707138U discloses an automatic paper feeder for a thermal printer. In this patent, paper is placed in the paper feed channel, and the spring under the paper support is compressed, so that the top paper is against the pickup roller. The pickup roller rotates and drives the paper to the paper output channel. This device can handle multiple sheets of paper well and can automatically feed paper continuously. However, in the above-mentioned technology, this device still has some problems in paper feeding. When a paper jam occurs, the device cannot remove the paper in time, which will have a certain impact on work efficiency.

[0003] Summary of the Invention

[0004] The technical problem to be solved by the present invention is to overcome the defects of the prior art and provide a paper conveying device which can remove paper in time when a paper jam occurs, thereby facilitating clearing the paper jam.

[0005] In order to solve the above technical problems, the technical solution of the present invention is: a paper conveying device, comprising:

[0006] frame;

[0007] a paper processing component having a power output member adapted to rotate in a forward direction when the paper processing component is in a first working state and to rotate in a reverse direction when the paper processing component is in a second working state;

[0008] a paper accommodating component, the paper accommodating component comprising an upper plate and a lower plate, the upper plate being mounted on the frame, the lower plate being hinged to the frame, and an elastic element being provided between the lower plate and the frame, a stacking space for stacking paper being formed between the upper plate and the lower plate, a paper outlet being provided at a front end portion of the paper accommodating component, the paper outlet being in communication with the stacking space;

[0009] a paper pickup component, the paper pickup component being mounted on the upper plate and adapted to contact the paper in the stacking space and be driven to transport the paper toward the paper outlet;

[0010] The lower plate descending component is connected to the lower plate, and the lower plate descending component is connected to the power output member; wherein,

[0011] The power output member is adapted to not drive the lower plate descending component to move when the power output member rotates in the forward direction, and to drive the lower plate descending component to move to pull the lower plate to swing downward when the power output member rotates in the reverse direction.

[0012] Furthermore, in order to improve the accuracy and efficiency of paper conveying, the paper conveying device also includes a paper guide assembly, which has a paper guide channel that is connected with the paper outlet and receives the paper coming out of the paper outlet, and the paper guide assembly is suitable for being driven to convey the paper conveyed to the paper guide channel toward the processing entrance of the paper processing component.

[0013] Furthermore, the paper guide assembly includes:

[0014] A first guide shaft, a second guide shaft, and a third guide shaft rotatably connected to the frame, wherein the first guide shaft and the second guide shaft rotate in opposite directions, and the second guide shaft and the third guide shaft rotate in opposite directions;

[0015] a first guide roller assembly mounted on the first guide shaft;

[0016] a second guide roller group mounted on the second guide shaft, wherein a front guide channel is formed between the second guide roller group and the first guide roller group;

[0017] A third guide roller group is installed on the third guide shaft, and a rear guide channel is formed between the third guide roller group and the second guide roller group. The front guide channel is connected with the paper outlet, and the rear guide channel is connected with the front guide channel. Paper coming out of the paper outlet first enters the front guide channel and then the rear guide channel, and is finally guided to the processing entrance of the paper processing component.

[0018] Furthermore, the power output member directly or indirectly drives the paper guiding assembly and / or the paper picking component to move.

[0019] Furthermore, the power output member is connected to the paper guide assembly through a front-stage transmission pair, and the paper guide assembly is connected to the paper pickup component through a rear-stage transmission pair. The power output member drives the paper guide assembly to move through the front-stage transmission pair, and the paper guide assembly drives the paper pickup component to move through the rear-stage transmission pair.

[0020] Furthermore, the paper picking component includes:

[0021] A seat body mounted on the upper plate;

[0022] A pick-up roller is rotatably connected to the base body, and the pick-up roller is suitable for contacting the paper in the stacking space and is driven to transport the paper toward the paper outlet.

[0023] Furthermore, the lower plate descending component includes:

[0024] A rotating shaft rotatably connected to the frame;

[0025] a one-way rotation transmission member mounted on the rotating shaft, the one-way rotation transmission member being connected to the power output member via a pulling transmission pair, such that when the power output member rotates in the forward direction, the rotating shaft is not driven to rotate via the one-way rotation transmission member, and when the power output member rotates in the reverse direction, the rotating shaft is driven to rotate via the one-way rotation transmission member;

[0026] A swing component is connected to the rotating shaft and the lower plate respectively, and the swing component is suitable for being driven by the rotating shaft to pull the lower plate to swing downward.

[0027] Furthermore, the one-way rotation transmission component is a one-way damper or a one-way clutch.

[0028] Furthermore, the pulling transmission pair includes:

[0029] a first pulling synchronous wheel mounted on the power output member;

[0030] a second pulling synchronous wheel mounted on the one-way rotation transmission member;

[0031] A pulling synchronous belt connects the first pulling synchronous wheel and the second pulling synchronous wheel.

[0032] Furthermore, the swing component includes:

[0033] an oscillating member, the oscillating member being mounted on the rotating shaft;

[0034] A pull wire, one end of which is connected to the swing member, and the other end of which is connected to the lower plate.

[0035] Furthermore, in order to automatically control the movement of the paper handling component and the movement of the lower plate according to the paper jam situation, the paper receiving component is provided with a first paper sensing device adapted to detect whether there is paper in the paper receiving component, and the processing entrance of the paper handling component is provided with a second paper sensing device adapted to detect whether there is paper entering the processing entrance;

[0036] The paper conveying device also includes a controller, which is connected to the first paper sensing device and / or the second paper sensing device. The controller is also connected to the paper processing component. The controller is suitable for controlling the paper processing component to be in a first working state or a second working state based on the signals collected by the first paper sensing device and / or the second paper sensing device.

[0037] Furthermore, the paper processing component is a paper crushing component.

[0038] After adopting the above technical solution, the present invention has the following beneficial effects:

[0039] 1. In the present invention, the upper plate is mounted on the frame, the lower plate is hinged on the frame, an elastic element is provided between the lower plate and the frame, and a stacking space for stacking paper is formed between the upper plate and the lower plate. When the paper processing component is in the first working state, the power output component is in a forward rotation state, and the paper processing component and the lower plate descending component have no linkage relationship with each other, and their actions do not interfere with each other, so that the lower plate will not be lowered. Paper can be placed normally between the upper plate and the lower plate, and the paper can be well pressed against the paper rubbing component of the upper plate by the elastic element; when the paper processing component is in the second working state, the power output component is in a forward rotation state, and the paper processing component and the lower plate descending component have no linkage relationship with each other, and their actions do not interfere with each other, so that the lower plate will not be lowered. Paper can be placed normally between the upper plate and the lower plate, and the paper can be well pressed against the paper rubbing component of the upper plate by the elastic element. The parts rotate in the opposite direction, and the paper processing parts and the lower plate descending parts form a linkage relationship. The paper processing parts spit out the paper. At the same time, the paper processing parts can drive the lower plate descending parts through the power output parts to overcome the force of the elastic element and pull the lower plate downward. When it is pulled down into place, a large space is left between the upper plate and the lower plate, which is convenient for arranging the paper. In addition, after the paper is arranged, when it works normally, the paper processing parts handle the paper normally. Due to the action of the one-way rotating transmission parts, the lower plate descending parts can move freely, so that the lower plate returns to its position under the action of the elastic element and the paper is well pressed against the paper rubbing part of the upper plate.

[0040] 2. The present invention is further provided with a first paper sensing device and a second paper sensing device. The first paper sensing device is used to detect whether there is paper in the paper receiving component, and the second paper sensing device is used to detect whether there is paper at the paper processing entrance. If paper is detected in the paper receiving component and there is no paper at the paper processing entrance for a period of time, it indicates that a paper jam has occurred. At this time, the controller controls the paper processing component to reverse the action to spit out the paper. At the same time, the paper processing component drives the lower plate descending component to move through the power output component, thereby descending the lower plate, expanding the stacking space, and facilitating the arrangement of the paper in the stacking space. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] FIG1 is a perspective view of a paper conveying device according to the present invention;

[0042] FIG2 is a partial cross-sectional view of the paper conveying device of the present invention;

[0043] FIG3 is a perspective view of a paper guide assembly of the present invention;

[0044] FIG4 is a schematic diagram of the connection of the rear stage transmission pair of the present invention;

[0045] FIG5 is an enlarged view of the swing component of the present invention. DETAILED DESCRIPTION

[0046] In order to make the contents of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments in conjunction with the accompanying drawings.

[0047] As shown in FIG1-5, a paper conveying device includes:

[0048] Rack 1;

[0049] The paper processing component 2 has a power output member 6 adapted to rotate in a forward direction when the paper processing component 2 is in a first working state and to rotate in a reverse direction when the paper processing component 2 is in a second working state;

[0050] The paper receiving component includes an upper plate 31 and a lower plate 32. The upper plate 31 is mounted on the frame 1, and the lower plate 32 is hinged to the frame 1. An elastic element 8 is provided between the lower plate 32 and the frame 1. In this embodiment, the elastic element can be a spring. A stacking space for stacking paper is formed between the upper plate 31 and the lower plate 32. A paper outlet 33 is provided at the front end of the paper receiving component, and the paper outlet 33 is connected to the stacking space.

[0051] The paper pickup component 4 is mounted on the upper plate 31 and is adapted to contact the paper in the stacking space and be driven to transport the paper toward the paper outlet 33;

[0052] The lower plate descending component 5 is connected to the lower plate 32 and is connected to the power output component 6; wherein,

[0053] The power output member 6 is adapted to not drive the lower plate descending component 5 to move when it rotates in the forward direction and to drive the lower plate descending component 5 to move to pull the lower plate 32 to swing downward when it rotates in the reverse direction.

[0054] In this embodiment, when the paper processing component 2 is in the first working state, the power output component 6 is in a forward rotation state, and there is no linkage relationship between the paper processing component 2 and the lower plate descending component 5, and their actions do not interfere with each other, so that the lower plate 32 will not be lowered. Paper can be placed normally between the upper plate 31 and the lower plate 32, and the paper can be well pressed against the paper rubbing component 4 of the upper plate 31 through the elastic element 8; when the paper processing component 2 is in the second working state, the power output component 6 rotates in the opposite direction, and the paper processing component 2 and the lower plate descending component 5 form a linkage relationship, and the paper processing component 2 respits paper. At the same time, the paper processing component 2 can drive the lower plate descending component 5 through the power output component 6 to overcome the force of the elastic element 8 and pull the lower plate 32 downward. When it is pulled down into place, there is a large space between the upper plate 31 and the lower plate 32, which is convenient for organizing paper.

[0055] As shown in Figure 2, the paper conveying device can further include a paper guide assembly 7, which has a paper guide channel 74 that is connected to the paper outlet 33 and receives the paper coming out of the paper outlet 33. The paper guide assembly 7 is suitable for being driven to convey the paper conveyed to the paper guide channel 74 toward the processing entrance of the paper processing component 2.

[0056] Specifically, as shown in FIG3 , the paper guide assembly 7 may have the following structure:

[0057] The first guide shaft 71, the second guide shaft 72 and the third guide shaft 73 are rotatably connected to the frame 1, the first guide shaft 71 and the second guide shaft 72 rotate in opposite directions, and the second guide shaft 72 and the third guide shaft 73 rotate in opposite directions;

[0058] A first guide roller assembly 711 mounted on the first guide shaft 71;

[0059] A second guide roller set 721 is mounted on the second guide shaft 72, and a front guide channel is formed between the second guide roller set 721 and the first guide roller set 711;

[0060] A third guide roller group 731 is installed on the third guide shaft 73, and a rear guide channel is formed between the third guide roller group 731 and the second guide roller group 721. The front guide channel is connected to the paper outlet 33, and the rear guide channel is connected to the front guide channel. The paper coming out of the paper outlet 33 first enters the front guide channel and then the rear guide channel, and is finally guided to the processing entrance of the paper processing component 2.

[0061] Specifically, the power output member 6 directly or indirectly drives the paper guide assembly 7 and the paper pickup component 4 to move.

[0062] Specifically, as shown in Figures 1 and 4, the power output member 6 is connected to the paper guide assembly 7 through the front-stage transmission pair 9, and the paper guide assembly 7 is connected to the paper pickup component 4 through the rear-stage transmission pair 10. The power output member 6 drives the paper guide assembly 7 to move through the front-stage transmission pair 9, and the paper guide assembly 7 drives the paper pickup component 4 to move through the rear-stage transmission pair 10. In this embodiment, the front-stage transmission pair 9 includes a front-stage driving pulley 91, a front-stage driven pulley 92 and a front-stage synchronous belt 93 connecting the front-stage driving pulley 91 and the front-stage driven pulley 92, and the rear-stage transmission pair 10 includes a rear-stage driving gear 11, a rear-stage driven gear 12 and a rear-stage transmission shaft. The front-stage driving pulley 91 is connected to the power output member 6, and the front-stage driven pulley 92 is connected to the third guide shaft 73 of the paper guide assembly 7. At the same time, a third guide shaft gear 732 is installed on the third guide shaft 73, a first guide shaft gear 712 is installed on the first guide shaft 71, and a second guide shaft gear 722 is installed on the second guide shaft 72. The third guide shaft gear 732 is meshed with the first guide shaft gear 712, the first guide shaft gear 712 is meshed with the second guide shaft gear 722, and the rear-stage driving gear 11 is meshed with the rear-stage driven gear 722. The gear 12 is engaged, the rear-stage driven gear 12 is connected to the rear-stage transmission shaft, the rear-stage driven gear 12 is connected to the rear-stage transmission shaft, the rear-stage transmission shaft is rotatably connected to the upper plate 31, and the rear-stage transmission shaft is connected to the paper pickup component 4; when the power output member 6 rotates, it drives the front-stage driving pulley 91 to rotate, the front-stage driving pulley 91 drives the front-stage driven pulley 92 to rotate through the front-stage synchronous belt 93, the front-stage driven pulley 92 drives the third guide shaft 73 to rotate, the rotation of the third guide shaft 73 drives the first guide shaft 71 to rotate, the rotation of the first guide shaft 71 drives the rotation of the second guide shaft 72, the rotation of the first guide shaft 71 also drives the rear-stage driving gear 11 to rotate, the rear-stage driving gear 11 then drives the rear-stage driven gear 12 to rotate, the rotation of the rear-stage driven gear 12 then drives the paper pickup component 4 to move through the rear-stage transmission shaft.

[0063] Specifically, as shown in FIG2 , the paper pickup component 4 may have the following structure:

[0064] A seat 41 mounted on the upper plate 31;

[0065] A pick-up roller 42 is rotatably connected to the base body 41, and the pick-up roller 42 is suitable for contacting the paper in the stacking space and being driven to transport the paper toward the paper outlet 33; in this embodiment, two pick-up rollers 42 can be provided, and the two pick-up rollers 42 are connected by a pick-up roller synchronization pair to rotate synchronously in the same direction, and one of the pick-up rollers 42 is connected to the rear-stage transmission shaft.

[0066] Specifically, as shown in FIG5 , the lower plate descending component 5 includes:

[0067] A rotating shaft 51 rotatably connected to the frame 1;

[0068] A one-way rotation transmission member 52 is mounted on the rotating shaft 51. The one-way rotation transmission member 52 is connected to the power output member 6 via a pulling transmission pair. When the power output member 6 rotates in the forward direction, the rotating shaft 51 is not driven to rotate by the one-way rotation transmission member 52. When the power output member 6 rotates in the reverse direction, the rotating shaft 51 is driven to rotate by the one-way rotation transmission member 52.

[0069] The swing component 53 is connected to the rotating shaft 51 and the lower plate 32 respectively. The swing component 53 is suitable for being driven by the rotating shaft 51 to pull the lower plate 32 to swing downward.

[0070] Specifically, the one-way rotation transmission member 52 may be a one-way damper or a one-way clutch. The one-way damper and the one-way clutch are prior arts and are not described in detail in this embodiment.

[0071] Specifically, the pulling transmission pair may have the following structure, including:

[0072] A first pulling synchronous wheel 101 mounted on the power output member 6;

[0073] A second pulling synchronous wheel 102 mounted on the unidirectional rotation transmission member 52;

[0074] A pulling synchronous belt 104 connects the first pulling synchronous wheel 101 and the second pulling synchronous wheel 102 .

[0075] Specifically, as shown in FIG5 , the swing component 53 may have the following structure:

[0076] A swinging member 531 is mounted on the rotating shaft 51;

[0077] A pull wire 532 , one end of the pull wire 532 is connected to the swing member 531 , and the other end of the pull wire 532 is connected to the lower plate 32 .

[0078] Specifically, when the paper processing component 2 is in the first working state, when the paper processing component 2 drives the power output component 6 to rotate forward, due to the action of the one-way rotating transmission component 52, the lower plate descending component does not move in conjunction with the power output component 6; when the paper processing component 2 is in the second working state, the power output component 6 rotates in the opposite direction, driving the first pulling synchronous wheel 101 to rotate, and due to the action of the pulling synchronous belt 104, the second pulling synchronous wheel 102 is driven to rotate, and due to the action of the one-way rotating transmission component 52, the rotating shaft 51 is driven to move, and then the swinging component 531 is driven to swing downward, driving the pull wire 532 to pull down the lower plate 32.

[0079] In this embodiment, the paper receiving component is further provided with a first paper sensing device adapted to detect whether there is paper in the paper receiving component, and the processing entrance of the paper processing component 2 is provided with a second paper sensing device adapted to detect whether there is paper entering the processing entrance.

[0080] The paper conveying device further includes a controller, which is connected to the first paper sensing device and the second paper sensing device. The controller is also connected to the paper processing component 2. The controller is adapted to control the paper processing component 2 to be in a first working state or a second working state based on signals collected by the first paper sensing device and the second paper sensing device. In this embodiment, the first paper sensing device and the second paper sensing device are conventional devices, which may be diffuse reflection infrared sensors.

[0081] Specifically, if it is detected that there is paper in the paper accommodating component, and there is no paper at the paper processing entrance for a period of time (which can be set to 3 seconds or 5 seconds), it indicates that a paper jam has occurred. At this time, the controller controls the paper processing component 2 to reverse and spit out the paper. At the same time, the paper processing component 2 drives the lower plate descending component 5 through the power output component 6 to move, thereby lowering the lower plate 32, expanding the stacking space, and facilitating the arrangement of paper in the stacking space.

[0082] Specifically, in this embodiment, the paper processing component 2 can be a paper shredding component; specifically, the first working state of the paper processing component 2 is the paper shredding processing state, and the second working state of the paper processing component 2 is the reverse paper feeding state. When the paper processing component 2 is in the first working state, the rotating shaft 51 is in a free state on the frame 1 and is not interfered with by the power output of the paper processing component 2; in this embodiment, the general structure of the paper shredding component is as follows: it includes two shredding shafts and shredding knives installed on the shredding shafts and a shredding shaft driving mechanism that drives the shredding shafts to rotate. The shredding shaft driving mechanism can be a structure of a motor and a gear pair. The two shredding shafts are driven to rotate in opposite directions. The power output member 6 is the end of one of the shredding shafts. The paper shredding component is a prior art and its structure is not described in detail in this embodiment.

[0083] The specific embodiments described above further illustrate the technical problems, technical solutions and beneficial effects solved by the present invention. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A paper conveying device, characterized in that: include: Rack (1); A paper processing component (2), wherein the paper processing component (2) has a power output member (6) adapted to rotate in a forward direction when the paper processing component (2) is in a first working state and to rotate in a reverse direction when the paper processing component (2) is in a second working state; A paper accommodating component, the paper accommodating component comprising an upper plate (31) and a lower plate (32), the upper plate (31) being mounted on the frame (1), the lower plate (32) being hinged on the frame (1), and an elastic element (8) being provided between the lower plate (32) and the frame (1), a stacking space for stacking paper being formed between the upper plate (31) and the lower plate (32), a paper outlet (33) being provided at a front end portion of the paper accommodating component, and the paper outlet (33) being communicated with the stacking space; A paper picking component (4), the paper picking component (4) being mounted on the upper plate (31), the paper picking component (4) being adapted to contact the paper in the stacking space and being driven to transport the paper toward the paper outlet (33); A lower plate descending component (5), the lower plate descending component (5) is connected to the lower plate (32), and the lower plate descending component (5) is connected to the power output component (6); wherein, The power output member (6) is suitable for not driving the lower plate descending member (5) to move when it rotates in the forward direction, and for driving the lower plate descending member (5) to move to pull the lower plate (32) to swing downward when it rotates in the reverse direction.

2. The paper conveying device according to claim 1, characterized in that: Also includes: A paper guide assembly (7), wherein the paper guide assembly (7) has a paper guide channel (74) connected to the paper outlet (33) and receiving the paper coming out of the paper outlet (33), and the paper guide assembly (7) is suitable for being driven to transport the paper conveyed to the paper guide channel (74) toward the processing entrance of the paper processing component (2).

3. The paper conveying device according to claim 2, characterized in that: The paper guide assembly (7) comprises: A first guide shaft (71), a second guide shaft (72) and a third guide shaft (73) rotatably connected to the frame (1), wherein the first guide shaft (71) and the second guide shaft (72) rotate in opposite directions, and the second guide shaft (72) and the third guide shaft (73) rotate in opposite directions; A first guide roller group (711) installed on the first guide shaft (71); a second guide roller group (721) mounted on the second guide shaft (72), wherein a front guide channel is formed between the second guide roller group (721) and the first guide roller group (711); A third guide roller group (731) is installed on the third guide shaft (73), a rear guide channel is formed between the third guide roller group (731) and the second guide roller group (721), the front guide channel is connected to the paper outlet (33), the rear guide channel is connected to the front guide channel, and the paper out of the paper outlet (33) first enters the front guide channel and then enters the rear guide channel The paper is then guided to a processing entrance of a paper processing component (2).

4. The paper conveying device according to claim 2, characterized in that: The power output member (6) directly or indirectly drives the paper guiding assembly (7) and / or the paper picking component (4) to move.

5. The paper conveying device according to claim 4, characterized in that: The power output member (6) is connected to the paper guide assembly (7) via a front-stage transmission pair (9), and the paper guide assembly (7) is connected to the paper picking component (4) via a rear-stage transmission pair (10). The power output member (6) drives the paper guide assembly (7) to move via the front-stage transmission pair (9), and the paper guide assembly (7) drives the paper picking component (4) to move via the rear-stage transmission pair (10).

6. The paper conveying device according to claim 1, characterized in that: The paper picking component (4) comprises: A seat body (41) mounted on the upper plate (31); A pick-up roller (42) is rotatably connected to the seat body (41), and the pick-up roller (42) is suitable for contacting the paper in the stacking space and being driven to transport the paper toward the paper outlet (33).

7. The paper conveying device according to claim 1, characterized in that: The lower plate descending component (5) comprises: A rotating shaft (51) rotatably connected to the frame (1); a one-way rotation transmission member (52) mounted on the rotating shaft (51), the one-way rotation transmission member (52) being connected to the power output member (6) via a pulling transmission pair, the one-way rotation transmission member (52) not driving the rotating shaft (51) to rotate via the one-way rotation transmission member (52) when the power output member (6) rotates in the forward direction, and the one-way rotation transmission member (52) driving the rotating shaft (51) to rotate when the power output member (6) rotates in the reverse direction; A swing component (53), wherein the swing component (53) is respectively connected to the rotating shaft (51) and the lower plate (32), and the swing component (53) is suitable for being driven by the rotating shaft (51) to pull the lower plate (32) to swing downward.

8. The paper conveying device according to claim 7, characterized in that: The one-way rotation transmission member (52) is a one-way damper or a one-way clutch.

9. The paper conveying device according to claim 7, characterized in that: The pulling transmission pair comprises: A first pulling synchronous wheel (101) mounted on the power output member (6); A second pulling synchronous wheel (102) mounted on the one-way rotation transmission member (52); A pulling synchronous belt (104) connecting the first pulling synchronous wheel (101) and the second pulling synchronous wheel (102).

10. The paper conveying device according to claim 7, characterized in that: The swing component (53) comprises: A swinging member (531), wherein the swinging member (531) is mounted on the rotating shaft (51); A pull wire (532), one end of the pull wire (532) is connected to the swing member (531), and the other end of the pull wire (532) is connected to the lower plate (32).

11. The paper conveying device according to claim 1, characterized in that: The paper receiving component is provided with a first paper sensing device suitable for detecting whether there is paper in the paper receiving component, and the processing entrance of the paper processing component (2) is provided with a second paper sensing device suitable for detecting whether there is paper entering the processing entrance; The invention also includes a controller, which is connected to the first paper sensing device and / or the second paper sensing device, and is also connected to the paper processing component (2). The controller is suitable for controlling the paper processing component (2) to be in a first working state or a second working state according to the signal collected by the first paper sensing device and / or the second paper sensing device.

12. The paper conveying device according to claim 1, characterized in that: The paper processing component (2) is a paper crushing component.

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