CN213338888U - Impeller, impeller assembly, sheet medium accumulating device and cash recycling device - Google Patents

Abstract

The utility model provides an impeller, impeller subassembly, thin slice class medium accumulation device and cash circulating equipment relates to thin slice class medium treatment facility technical field, the utility model provides an impeller includes wheel hub and at least one blade, and the blade is made by elastic material to be connected with wheel hub, along wheel hub's radial, the transversal rectangular form annular of personally submitting of blade, the utility model provides an impeller has alleviated the problem that thin slice class medium got into easy departure in the accommodation space among the correlation technique.

Description

Impeller, impeller assembly, sheet medium accumulating device and cash recycling device

Technical Field

The utility model belongs to the technical field of thin slice class medium treatment facility technique and specifically relates to a device and cash circulating equipment are accumulated to impeller, impeller subassembly, thin slice class medium.

Background

Sheet media stacking devices (such as paper money processing devices, bill stacking devices, and the like) generally include an accommodating space, the accommodating space is provided with an opening, a conveying roller is arranged at the opening, and the conveying roller drives the sheet media to enter the accommodating space through the opening; after the conveying rollers drive the sheet media to enter the accommodating space, the sheet media often continue to move for a certain distance due to the inertia effect, and the sheet media are untidy to be stacked in the accommodating space.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an impeller, impeller subassembly, thin slice class medium accumulation device and cash circulating equipment to alleviate the problem of easy departure in the thin slice class medium entering accommodation space among the correlation technique.

The utility model provides an impeller includes wheel hub and at least one blade, and the blade is made by elastic material to be connected with wheel hub, along wheel hub's radial, the transversal rectangular form annular of personally submitting of blade.

Further, the blade includes first limit, second limit and the third limit that connects gradually, and the initiating terminal on first limit and the end of third limit all are connected with wheel hub, and along wheel hub's radial, the interval between first limit and the third limit increases gradually, and the second limit includes the segmental arc that is used for pressing slice class medium.

Further, the second side also includes a straight section connected between the arcuate section and the third side.

Further, the third edge is provided with the arch that is used for patting the sheet type medium including deviating from the surface on first edge on the surface, and the arch includes the press surface, and the one end and the surface of press surface are connected, and the other end extends to the direction of keeping away from the surface, and contained angle between press surface and the surface is less than or equal to 90 degrees.

Further, the quantity of blade is a plurality of, and a plurality of blades are arranged along the circumference interval of hub.

Further, the hub is made of an elastic material and is provided with a core hole for being inserted with the rotating shaft.

The utility model provides an impeller subassembly includes pivot, running roller and foretell impeller, and running roller and impeller all overlap and locate in the pivot.

Further, the impeller subassembly still includes a plurality of auxiliary impeller, and a plurality of auxiliary impeller all overlap and locate in the pivot, and be located the both sides of impeller, and every auxiliary impeller includes sleeve and at least one slice blade with muffjoint, and the quantity of slice blade equals with the quantity of the blade on the impeller, and the phase place about the pivot is the same.

The utility model provides a thin slice class medium collection and accumulation device includes the frame, and sets up in the conveying roller of frame and above-mentioned impeller subassembly, and the frame is equipped with the portion of holding, and the portion of holding has the opening, and conveying roller and impeller subassembly set up in the opening part relatively, and the running roller of impeller subassembly can revolute the axle free rotation, and cooperate with the conveying roller tangent, in order to drive thin slice class medium and get into the portion of holding from the opening; the accommodating part is provided with a base plate, a guide plate and a support plate, the support plate is used for being in contact with the surface of the sheet medium, the base plate is used for being in contact with the end face of the sheet medium, and the guide plate is used for guiding the sheet medium entering the accommodating part from the opening to be stacked on the support plate along the base plate.

The utility model provides a cash circulating equipment includes foretell sheet class medium album of putting.

The utility model provides an impeller, impeller subassembly, thin slice class medium accumulation device and cash circulating equipment, impeller include wheel hub and at least one blade, and the blade is made by elastic material to be connected with wheel hub, along wheel hub's radial, the transversal rectangular form annular of personally submitting of blade. When the impeller rotating blade provided by the embodiment beats the sheet medium, the gap is formed in the middle of the blade made of the elastic material, so that the blade is easier to deform, the contact area with the sheet medium can be larger, the pressure on the sheet medium is larger, and when the sheet medium is output, the annular blade presses the sheet medium, so that the sheet medium can be better prevented from flying out.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention or the related art, the drawings required to be used in the description of the embodiments or the related art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a blade of a sheet-type medium accumulating device according to an embodiment of the present invention pressing a sheet-type medium;

fig. 2 is a schematic view of a blade of the sheet-type medium accumulating device according to an embodiment of the present invention when the sheet-type medium is beaten;

fig. 3 is a schematic structural diagram of an impeller assembly according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an impeller provided in an embodiment of the present invention;

fig. 5 is a front view of an impeller provided in an embodiment of the present invention;

fig. 6 is a schematic partial structural view of an impeller provided in an embodiment of the present invention;

FIG. 7 is an enlarged view of the structure at A in FIG. 6;

FIG. 8 is an enlarged view of the structure at B in FIG. 2;

fig. 9 is a schematic structural diagram of a cash recycling device according to an embodiment of the present invention.

Icon: 001-medium; 100-a hub; 110-core hole; 120-a locating post; 200-blades; 210-a first side; 220-a second edge; 221-arc segment; 222-straight line segment; 230-third side; 231-an outer surface; 232-a first projection; 233-pressing surface; 240-first blade; 250-a second blade; 260-a third blade; 310-a rotating shaft; 320-rolling a roller; 321-a bearing; 330-an impeller; 340-an auxiliary impeller; 341-a sleeve; 342-a sheet-like leaf; 343-a second protrusion; 411-a housing portion; 412-an opening; 420-a conveying roller; 430-a substrate; 440-a guide plate; 450-a support plate; 510-coin in and out devices; 520-identification means; 530-a temporary storage device; 540-circulation box; 550-recovery box.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 and 2, the embodiment of the present invention provides a sheet medium collecting device, which includes a frame, a conveying roller 420 and an impeller assembly disposed on the frame, the frame is provided with a receiving portion 411, the receiving portion 411 has an opening 412, the conveying roller 420 and the impeller assembly are disposed at the opening 412 relatively, a roller wheel 320 of the impeller assembly can freely rotate around an axis of a rotating shaft 310, and is in tangential fit with the conveying roller 420, the sheet medium 001 can be driven to enter the receiving portion 411 from the opening 412, the receiving portion 411 is provided with a base plate 430, a guide plate 440 and a support plate 450, the support plate 450 is used for contacting with the surface of the sheet medium 001, the base plate 430 is used for contacting with the end surface of the sheet medium 001, the guide plate 440 is used for guiding the sheet medium 001 entering the receiving portion 411 from the opening 412 to be stacked on the.

Specifically, the sheet-like media 001 may be stacked in the horizontal direction or stacked in the vertical direction, and in this embodiment, the sheet-like media 001 is stacked in the horizontal direction. As shown in fig. 1 and 2, a guide plate 440 is disposed at the opening 412 for guiding the sheet medium 001 to enter the accommodating portion 411 from the opening 412, a base plate 430 is disposed at a lower end of the accommodating portion 411 and disposed horizontally, the base plate 430 is configured to contact an end surface of the sheet medium 001 to carry the sheet medium 001 entering the accommodating portion 411, a support plate 450 is disposed at an end of the accommodating portion 411 away from the guide plate 440 and disposed vertically, and the support plate 450 is configured to contact a surface of the sheet medium 001 to support the sheet medium 001 to maintain the sheet medium 001 in a vertical state.

As shown in fig. 3, the impeller assembly provided by the embodiment of the present invention further includes a rotating shaft 310 and an impeller 330, and the rotating shaft 310 is sleeved with the roller 320 and the impeller 330.

As shown in fig. 4, an impeller 330 according to an embodiment of the present invention includes a hub 100 and at least one blade 200, wherein the blade 200 is made of an elastic material and is connected to the hub 100, and a cross section of the blade 200 is in a shape of an elongated ring along a radial direction of the hub 100.

Specifically, the blade 200 may be made of rubber or silica gel, and along the length direction of the blade 200, one end of the blade 200 is fixedly connected to the outer circumferential surface of the hub 100, and the other end extends in the direction away from the hub 100, and a gap is formed in the middle of the blade 200, so that the blade 200 is more easily elastically deformed, when contacting the sheet medium 001, the contact area between the blade 200 and the sheet medium 001 is larger, the pressure on the sheet medium 001 is larger, and the flying out of the sheet medium 001 can be better avoided.

Further, the blade 200 includes a first edge 210, a second edge 220 and a third edge 230 connected in sequence, a starting end of the first edge 210 and a terminal end of the third edge 230 are both connected to the hub 100, a distance between the first edge 210 and the third edge 230 gradually increases along a radial direction of the hub 100, and the second edge 220 includes an arc-shaped section 221 for pressing the sheet-like medium 001.

As shown in fig. 5, the first edge 210, the second edge 220, and the third edge 230 are sequentially connected, a starting end of the first edge 210 and a terminal end of the third edge 230 are both fixedly connected to the outer circumferential surface of the hub 100, and the first edge 210 and the third edge 230 are arranged at an interval along the circumferential direction of the hub 100, which is beneficial for improving the strength of the blade 200, the distance between the first edge 210 and the third edge 230 is gradually increased along the radial direction of the hub 100, the second edge 220 is located between the first edge 210 and the third edge 230, and both ends are respectively connected to the terminal end of the first edge 210 and the starting end of the third edge 230, the second edge 220 includes an arc section 221, the arc section 221 is connected to the terminal end of the first edge 210, and when the sheet-like medium 001 is output, the arc section 221 is used for pressing the sheet-like medium 001 to the.

As shown in fig. 1, when the sheet medium 001 is discharged (the sheet medium 001 is put into the housing 411), the first edge 210 and the arc-shaped segment 221 of the blade 200 sequentially contact the sheet medium 001 and press the sheet medium against the guide plate 440, the arc-shaped segment 221 contacts the sheet medium 001, the contact area between the blade 200 and the sheet medium 001 is increased, the pressure of the blade 200 against the sheet medium 001 is increased, the possibility that the sheet medium 001 continues to fly out is reduced, the sheet medium 001 is continuously discharged, and the third edge 230 of the blade 200 beats the banknotes in the direction of the support plate 450 and the substrate 430, so that the possibility that the sheet medium 001 flies out can be similarly reduced.

Further, the second side 220 also includes a straight section 222 connected between the curved section 221 and a third side 230.

As shown in fig. 5, two ends of the straight line segment 222 are respectively connected to the beginning ends of the arc segment 221 and the third edge 230, the first edge 210 and the straight line segment 222 are arranged at an acute angle, and the straight line segment 222 and the third edge 230 are arranged perpendicularly. By providing the straight line segment 222, the distance between the end of the first edge 210 and the start end of the third edge 230 is increased, so that the included angle between the first edge 210 and the third edge 230 can be increased, which is advantageous for increasing the contact area between the first edge 210 and the arc-shaped segment 221 and the sheet-like medium 001, and the flapping angle when the third edge 230 contacts the sheet-like medium 001 can be changed, which is more advantageous for preventing the sheet-like medium 001 from flying out.

As shown in fig. 6, the third side 230 includes an outer surface 231 facing away from the first side 210, a protrusion (hereinafter referred to as a first protrusion 232) for beating the sheet-like medium 001 is disposed on the outer surface 231, the first protrusion 232 includes a pressing surface 233, one end of the pressing surface 233 is connected to the outer surface 231, the other end extends in a direction away from the outer surface 231, and an included angle between the pressing surface 233 and the outer surface 231 is smaller than or equal to 90 degrees.

Specifically, the outer surface 231 is provided with a plurality of first protrusions 232, the plurality of first protrusions 232 are distributed at intervals along the radial direction of the hub 100, and from one end connected with the outer surface 231 to one end far away from the outer surface 231, the plurality of first protrusions 232 are all arranged in an inclined manner in a direction close to the hub 100, as shown in fig. 7 and 8, a side surface of the first protrusion 232 opposite to the outer surface 231 is a pressing surface 233, and an included angle between the pressing surface 233 and the outer surface 231 is not greater than 90 degrees, and specifically may be 90 degrees, 85 degrees, and the like. When the third edge 230 flaps the sheet medium 001, the impeller 330 rotates clockwise as shown in fig. 1, and the pressing surface 233 comes into contact with the sheet medium 001 to generate a pressure in the direction of the base plate 430 against the sheet medium 001, thereby preventing the sheet medium 001 from flying out.

Further, the extending length of the pressing surface 233 of the plurality of first protrusions 232 gradually increases in a direction away from the hub 100. With this arrangement, when the third edge 230 taps the sheet medium 001, the contact area between the pressing surface 233 of each first protrusion 232 and the sheet medium 001 is increased, so that the pressure of the blade 200 against the sheet medium 001 is increased, and the sheet medium 001 can be prevented from flying out more effectively.

The number of the blades 200 may be one, two, three, etc., in this embodiment, the number of the blades 200 is three, as shown in fig. 5, the three blades are uniformly distributed along the circumferential direction of the hub 100, along the direction in which the impeller 330 rotates when outputting the thin-sheet-like medium 001, the three blades are respectively a first blade 240, a second blade 250, and a third blade 260, and the third edge 230 of each blade 200 is located in front of the first edge 210. In the process of outputting the sheet-like media 001, the sheet-like media 001 is first conveyed to the opening 412 of the accommodating portion 411, at this time, the impeller 330 is not rotated while being stationary, after the sheet-like media 001 is conveyed to the accommodating portion 411, the impeller 330 is rotated, the first edge 210 of the first blade 240 presses the sheet-like media 001 entering the accommodating portion 411 toward the guide plate 440, the sheet-like media 001 is prevented from flying out of the accommodating portion 411, when the impeller 330 is rotated after the sheet-like media 001 completely enters the accommodating portion 411, the third edge 230 of the second blade 250 beats the sheet-like media 001 toward the support plate 450 and the base plate 430, the sheet-like media 001 is prevented from flying out of the accommodating portion 411, the sheet-like media 001 is ensured to be stacked on the support plate 450, by providing a plurality of blades 200 on the hub 100, the arc-shaped segment 221 of the previous blade 200 can press the sheet-like media 001 which has just entered the accommodating portion 411 toward the guide plate 440, and the next blade 200 beats the sheet-like media 001 which has completely entered, the flying-out of the sheet medium 001 can be avoided.

Further, the hub 100 is made of an elastic material, and the hub 100 is provided with a core hole 110 for insertion with the rotation shaft 310.

Preferably, the hub 100 is made of rubber, which has superior wear resistance, thereby improving the lifespan of the impeller 330. The middle of the hub 100 is provided with the core hole 110, the inner diameter of the core hole 110 is slightly smaller than the diameter of the rotating shaft 310, the hub 100 has elasticity, when the rotating shaft 310 passes through the core hole 110, the hub 100 generates elastic deformation, the hub 100 is tightly held on the rotating shaft 310 by using the elastic restoring force of the hub 100, other parts are not needed to limit the position of the impeller 330 on the rotating shaft 310, and the assembly is convenient.

Further, as shown in fig. 4, the inner peripheral surface of the core hole 110 is provided with positioning posts 120 extending in the radial direction of the hub 100, specifically, the number of the positioning posts 120 is two, and the two positioning posts 120 are arranged centrally symmetrically with respect to the axis of the hub 100 and are each integrally formed with the hub 100. The rotating shaft 310 is correspondingly provided with a hole penetrating through the rotating shaft 310, and the positioning column 120 is used for being in plug-in fit with the hole on the rotating shaft 310, so as to further define the position of the impeller 330 relative to the rotating shaft 310 along the axial direction of the rotating shaft 310.

In this embodiment, as shown in fig. 3, the number of the impellers 330 and the number of the rollers 320 are multiple, the impellers 330 and the rollers 320 are alternately arranged, and the impellers 330 and the rollers 320 are symmetrically arranged with respect to the width center of the sheet medium 001. Specifically, the number of the impellers 330 and the number of the rollers 320 may be two, three, or four, etc., in this embodiment, the number of the impellers 330 is three, the number of the rollers 320 is two, the three impellers 330 are distributed at intervals along the axial direction of the rotating shaft 310, one roller 320 is arranged between every two adjacent impellers 330, and the three impellers 330 and the two rollers 320 are respectively arranged symmetrically with respect to the width center of the sheet-like medium 001. The hub 100 of the impeller 330 is made of rubber, the inner diameter of the core hole 110 of the hub 100 is slightly smaller than the outer diameter of the rotating shaft 310, the rotating shaft 310 is inserted into the core hole 110, the core hole 110 is elastically deformed and tightly embraces the rotating shaft 310, so that the impeller 330 is fixed on the rotating shaft 310, and the roller 320 is rotatably connected with the rotating shaft 310 through the bearing 321, so that the roller 320 can rotate more smoothly around the axis of the rotating shaft 310. When the sheet medium 001 is output, the rollers 320 are matched with the conveying roller 420 in a tangent mode and used for conveying the sheet medium 001 into the accommodating portion 411, the blades 200 in the impellers 330 are matched with and flap the sheet medium 001, so that the sheet medium 001 is stacked on the supporting plate 450, in addition, the impellers 330 and the rollers 320 are respectively and symmetrically arranged about the width center of the sheet medium 001, the force applied to the sheet medium 001 in the width direction is uniform, the sheet medium 001 is prevented from being inclined in the output process, and the sheet medium 001 is ensured to be stacked on the supporting plate 450 more neatly.

Further, the impeller assembly further includes a plurality of auxiliary impellers 340, the plurality of auxiliary impellers 340 are all sleeved on the rotating shaft 310 and located at two sides of the impeller 330, each auxiliary impeller 340 includes a sleeve 341 and at least one sheet-shaped vane 342 connected with the sleeve 341, the number of the sheet-shaped vanes 342 is equal to the number of the vanes 200 on the impeller 330, and the phases about the rotating shaft 310 are the same.

The number of the auxiliary impellers 340 may be two, four, or six, and in the present embodiment, the number of the auxiliary impellers 340 is four, as shown in fig. 5, the four auxiliary impellers 340 are equally disposed on two sides of the impeller 330, and the auxiliary impellers 340 are fixedly sleeved on the rotating shaft 310 through the sleeves 341 and are spaced apart from each other along the axial direction of the rotating shaft 310. Each of the auxiliary impellers 340 includes three plate-like vanes 342, the three plate-like vanes 342 are uniformly distributed along the circumferential direction of the sleeve 341, the phase of the three plate-like vanes 342 with respect to the rotation shaft 310 is equal to the phase of the three vanes 200 in the three impellers 330 with respect to the rotation shaft 310, one end of each of the plate-like vanes 342 is fixedly connected to the sleeve 341, and the other end extends in the radial direction of the sleeve 341 away from the sleeve 341. When the sheet medium 001 just enters the accommodating portion 411, the sheet-like blades 342 press the sheet medium 001 against the guide plate 440 at the same time as the corresponding blades 200 of the impeller 330, and the force with which the sheet-like blades 342 press the sheet medium 001 against the guide plate 440 is smaller than that of the annular blades 200, so that the force applied to the middle of the sheet medium 001 is greater than that applied to both sides, and the sheet medium 001 is deformed and reinforced in rigidity, which is more favorable for the sheet medium 001 to be stacked neatly on the support plate 450.

Further, a face of the sheet-like blade 342 corresponding to the third edge 230 of the annular blade 200 is provided with a second protrusion 343, specifically, each sheet-like blade 342 is provided with a plurality of second protrusions 343, the plurality of second protrusions 343 are located at an end of the sheet-like blade 342 far away from the sleeve 341 and are distributed at intervals along a length direction of the sheet-like blade 342, and the plurality of second protrusions 343 are all obliquely arranged in a direction close to the sleeve 341. When the sheet-like blade 342 flaps the sheet-like medium 001, the sheet-like blade 342 moves the sheet-like medium 001 closer to the support plate 450 and the base plate 430 via the second protrusion 343, thereby preventing the sheet-like medium 001 from flying out.

The slice medium collecting device provided by the embodiment of the utility model further comprises a first driving component and a second driving component, wherein the first driving component is in transmission connection with the conveying roller 420 and is used for driving the conveying roller 420 to rotate, so that the conveying roller 420 can be matched with the roller 320 to feed the slice medium 001 into the accommodating part 411; the second driving assembly is in transmission connection with the rotating shaft 310 of the impeller assembly and is used for driving the impeller 330 to rotate for shooting paper. When the sheet medium 001 is fed out, the feeding roller 420 rotates, the feeding roller 420 and the roller 320 which are in tangent fit sandwich and drive the sheet medium 001 to enter the accommodating portion 411 from the opening 412, the rotating shaft 310 rotates, as shown in fig. 1, the first edge 210 of the first blade 240 of the impeller 330 presses the sheet medium 001 entering the accommodating portion 411 toward the guide plate 440, the sheet medium 001 is prevented from flying out of the accommodating portion 411, after the sheet medium 001 completely enters the accommodating portion 411, the impeller 330 continues to rotate, as shown in fig. 2 and 8, the third edge 230 of the first blade 240 (or the second blade 250) beats the sheet medium 001 toward the support plate 450 and the base plate 430, the sheet medium 001 is further prevented from flying out of the accommodating portion 411, the sheet medium 001 is ensured to be stacked on the support plate 450, and the end faces are aligned along the base plate 430.

As shown in fig. 9, the present invention further provides a cash recycling apparatus, which includes a coin in and out device 510, a recognition device 520, a temporary storage device 530, a recycling box 540 and a recycling box 550, and at least one of the coin in and out device 510, the temporary storage device 530, the recycling box 540 and the recycling box 550 is provided with the above-mentioned sheet-like medium collecting device.

The embodiment of the utility model provides an impeller 330, impeller subassembly, thin slice class medium accumulation device and cash circulating equipment, impeller 330 include wheel hub 100 and at least one blade 200, and blade 200 is made by elastic material to be connected with wheel hub 100, along wheel hub 100's radial, blade 200's transversal rectangular form annular of personally submitting. When the blade 200 rotates to beat the sheet medium 001, the blade 200 made of the elastic material has a gap in the middle, so that the blade 200 is more easily deformed, when the sheet medium 001 is beaten, the contact area with the sheet medium 001 is larger, the pressure on the sheet medium 001 is larger, when the sheet medium 001 is output, the annular blade 200 presses the sheet medium 001, and the sheet medium 001 can be better prevented from flying out.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. An impeller, comprising: the blade comprises a hub (100) and at least one blade (200), wherein the blade (200) is made of an elastic material and is connected with the hub (100), and the cross section of the blade (200) is in an elongated annular shape along the radial direction of the hub (100).

2. The impeller of claim 1, wherein the blade (200) comprises a first edge (210), a second edge (220) and a third edge (230) which are connected in sequence, wherein the starting end of the first edge (210) and the tail end of the third edge (230) are both connected with the hub (100), the distance between the first edge (210) and the third edge (230) is gradually increased along the radial direction of the hub (100), and the second edge (220) comprises an arc-shaped section (221) for pressing a thin sheet type medium (001).

3. The impeller of claim 2, wherein the second side (220) further comprises a straight section (222) connected between the arc-shaped section (221) and the third side (230).

4. The impeller of claim 2, wherein the third side (230) comprises an outer surface (231) facing away from the first side (210), wherein a protrusion for beating the sheet-like medium (001) is arranged on the outer surface (231), the protrusion comprises a pressing surface (233), one end of the pressing surface (233) is connected with the outer surface (231), the other end of the pressing surface extends in a direction away from the outer surface (231), and an included angle between the pressing surface (233) and the outer surface (231) is smaller than or equal to 90 degrees.

5. The impeller according to any one of claims 1 to 4, wherein the number of the blades (200) is plural, and the plural blades (200) are arranged at intervals along the circumferential direction of the hub (100).

6. The impeller of claim 1, wherein the hub (100) is made of an elastic material, the hub (100) being provided with a core hole (110) for plugging with a rotating shaft (310).

7. An impeller assembly, characterized by comprising a rotating shaft (310), a roller (320) and an impeller (330) according to any one of claims 1 to 6, wherein the roller (320) and the impeller (330) are both sleeved on the rotating shaft (310).

8. The impeller assembly of claim 7, further comprising a plurality of auxiliary impellers (340), wherein the plurality of auxiliary impellers (340) are sleeved on the rotating shaft (310) and located on two sides of the impeller (330), each auxiliary impeller (340) comprises a sleeve (341) and at least one sheet-shaped blade (342) connected with the sleeve (341), the number of the sheet-shaped blades (342) is equal to the number of the blades (200) on the impeller (330), and the phase about the rotating shaft (310) is the same.

9. A sheet-like medium stacking apparatus comprising a frame, and a conveying roller (420) provided to the frame and an impeller assembly of claim 7 or 8, the frame being provided with a housing portion (411), the housing portion (411) having an opening (412);

the conveying roller (420) and the impeller assembly are oppositely arranged at the opening (412), the roller (320) of the impeller assembly can freely rotate around the axis of the rotating shaft (310) and is in tangential fit with the conveying roller (420) so as to drive the sheet-like medium (001) to enter the accommodating part (411) from the opening (412);

the accommodating part (411) is provided with a base plate (430), a guide plate (440) and a support plate (450), wherein the support plate (450) is used for being in contact with the surface of the sheet medium (001), the base plate (430) is used for being in contact with the end face of the sheet medium (001), and the guide plate (440) is used for guiding the sheet medium (001) entering the accommodating part (411) from the opening (412) to be stacked on the support plate (450) along the base plate (430).

10. A cash recycling apparatus comprising the sheet-like medium stacking apparatus according to claim 9.

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