KR100752110B1 - Conveyor roller - Google Patents

Abstract

A conveyor roller is provided to rotate only a roller body, with a resilient band being stopped by an external force, by selectively rotating the resilient band with respect to the roller body. A conveyor roller includes a roller body(121) and a resilient band(122). The roller body is engaged with a rotational shaft. A plurality of boss accommodating recesses is formed on the outer surface of the roller body so as to be space apart from each other. The resilient band includes a band fixing boss accommodated in the boss accommodating recess and is engaged with the roller body so as to surround the outer peripheral surface of the roller body. The resilient band is rotated with respect to the roller body when an external force larger than the boas accommodating recess and the band fixing boss is applied. Engaging holes are formed in the rotational shaft and the roller body respectively so that they can be communicated with each other. Engaging pins(123) are engaged with the engaging holes respectively.

Description

Conveyor Roller {CONVEYOR ROLLER}

1 is a cross-sectional view showing an installation structure of a conveying roller for conveying a paper medium in a conventional automatic teller machine.

2 is a perspective view showing an installation structure of a conventional conveying roller.

3 is a cross-sectional view showing the installation structure of the conveying roller according to the present invention.

4 and 5 are cross-sectional views showing the structure of the conveying roller according to the present invention.

6 is an exploded perspective view showing the structure of the conveying roller according to the present invention.

7 is a cross-sectional view showing the operation structure of the conveying roller according to the present invention.

8 is a side view showing the structure of a conveying roller according to another embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

110: guide plate 120: conveying roller

121: roller body 121a: projection receiving groove

121b: fastening hole 122: elastic band

122a: band fixing protrusion 123: fastening pin

130: rotating shaft 130a: fastening hole

The present invention relates to a conveying roller, and more particularly, to a conveying roller which can improve safety and reliability, reduce cost, and improve workability and productivity.

The automated teller machine is an automated device that can provide basic financial services such as deposit or withdrawal without a bank employee regardless of time and place with respect to financial services.

The automated teller machine can be divided into cash dispenser and cash dispenser according to whether or not it is withdrawn.In recent years, the automated teller machine has been used for various purposes such as cash withdrawal, check deposit and withdrawal, bankbook arrangement, payment of giro fees, ticket release. have.

Currently, the use of financial automation equipment is gradually increasing in banks and other financial institutions, and as the use of financial automation equipment becomes more convenient, customers are increasingly using the financial automation equipment. As the number of times of using automated teller machines increases, the amount of financial transactions used every time also increases. As the amount of money traded through the automated teller machine increases, several cashes are deposited or withdrawn, and as multiple sheets of cash are used, unintentional occurrences often occur within the automated teller machine due to movement or location interference between the cash. There is a number.

In such an automatic teller machine, paper media such as banknotes may be conveyed in a sheet unit or stack unit through a conveying roller.

1 is a cross-sectional view showing an installation structure of a conveying roller for conveying a paper medium in a conventional automated teller machine, Figure 2 is a perspective view showing the installation structure of a conventional conveying roller.

As shown in Figures 1 and 2, in the conventional bank automatic teller machine is configured to be transported from one position to another constant position along the transport path defined by the guide plate 10 through the conveying rollers have.

The guide plate 10 is spaced apart at regular intervals to face each other to define the transfer path of the bill, the transfer roller is coupled to the rotary shaft 30 is installed adjacent to the guide plate 10 on the transfer path Is rotatably disposed.

The conveying roller 20 includes a roller body 21 coupled to the rotating shaft and a roller rubber 22 coupled to the outer circumferential surface of the roller body 21, and the rotating shaft 30 and the roller body 21. And the roller body 21 and the roller rubber 22 are configured to be fixedly coupled by an adhesive process by the adhesive 23, respectively.

By the way, in the past, when a jam occurs on the conveying path of banknotes, an overload occurs in a driving motor (not shown) for driving the conveying roller 20, and the conveying roller 20 and the conveying roller 20. There is a problem that the peripheral parts associated with are damaged and the stability and reliability are degraded.

That is, in the related art, the driving force of the driving motor is constantly transmitted to the conveying roller 20 at all times regardless of whether a jam occurs, so that the conveying roller 20 is not rotated by the jam to the outer surface of the conveying roller 20. When an external force is applied, there is a problem that an overload occurs in the driving motor, and there is a problem in which the peripheral parts associated with the conveying roller 20 and the conveying roller 20 are damaged by the external force.

In addition, the conventional conveying roller 20 is the roller body 21 and the roller rubber 22 is to be combined by a separate bonding process, so that the cost increases due to the increase in the number of work, thereby reducing workability and productivity There is a problem.

In addition, the conventional conveying roller 20 is difficult to separate and replace only the roller rubber 22 at the time of replacement due to wear and damage of the roller rubber 22 as the roller rubber 22 is fixedly coupled through the adhesive 23. There is a problem, and the already conveyed conveying roller has a problem that is difficult to replace the roller rubber having a different thickness.

Accordingly, an object of the present invention is to provide a semi-reflective roller that can prevent the damage of the overload and the conveying roller and the associated peripheral components as the object of the present invention.

In addition, an object of the present invention is to provide a semi-reflective roller that can provide convenience of mounting the conveying roller as well as easy maintenance and repair.

In addition, an object of the present invention is to provide a reflective roller that can reduce costs and improve workability and productivity.

According to a preferred embodiment of the present invention for achieving the above object of the present invention, the conveying roller is installed on one rotating shaft to be disposed on the conveying path of the paper medium to convey the paper medium, is coupled to the rotating shaft and on the outer peripheral surface A roller body having a plurality of projection accommodation grooves spaced apart from each other, and having a band fixing protrusion accommodated in the projection accommodation groove, is coupled to surround the outer circumferential surface of the roller body, and has an external force greater than the rotational binding force between the projection accommodation groove and the band fixing projection. It includes an elastic band that is rotated relative to the roller body when applied. When the band fixing protrusion is accommodated in the projection receiving groove and the resulting rotational constraint force allows the elastic band to be integrally rotated with the roller body, and an external force greater than the rotational constraint force caused by the projection accommodation groove and the band fixing protrusion is applied to the elastic band. Only the roller body inside the elastic band can be rotated so that the band fixing protrusion is separated from the projection receiving groove in the state in which the elastic band is stopped.

The roller body may be configured to be selectively detachably coupled from the rotating shaft. As an example, the roller body and the rotating shaft may be selectively detachably coupled to each other by forming fastening holes penetrating each other so as to communicate with each other on the rotating shaft and the roller body. In some cases, the roller body may be configured to be fixedly coupled to the rotating shaft by an adhesive.

In order that the relative rotation between the elastic band and the roller body can be stably restrained by the frictional force between the elastic band and the roller body together with the rotational binding force by the projection receiving groove and the band fixing protrusion under the condition that no external force is applied to the elastic band. The elastic band is formed to have an inner diameter smaller than the outer diameter of the roller body may be coupled to elastically wrap the outer peripheral surface of the roller body.

The conveying roller of the present invention can be applied to various locations for various purposes according to the conditions and design specifications required in the automated teller machine. For reference, in the present invention, the paper medium is a sheet shape having a certain value such as a bill, a check, a gift certificate, a ticket, etc., and the material is mainly made of paper. It can also be made of a material that can replace paper.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, but the present invention is not limited or limited by the embodiments. In describing the present invention, a detailed description of known functions or configurations may be omitted to clarify the gist of the present invention.

3 is a cross-sectional view showing the installation structure of the conveying roller according to the present invention, Figures 4 and 5 are sectional views showing the structure of the conveying roller according to the present invention, Figure 6 is a structure of the conveying roller according to the present invention It is the separated perspective view shown.

As shown in Figures 3 to 6, the conveying roller 120 according to the present invention is installed to be able to convey the banknotes from one position to another predetermined position in the automatic teller machine. Hereinafter, the conveying roller 120 of the present invention will be described with an example installed so as to convey the bills along the conveying path defined by the guide plate 110.

That is, the guide plate 110 is spaced apart at regular intervals to face each other to define a transfer path of the bill, the conveying roller 120 is on the rotating shaft 130 is installed adjacent to the guide plate 110 Coupled and rotatably disposed on the transport path.

The conveying roller 120 is coupled to surround the outer circumferential surface of the roller body 121 and the roller body 121 coupled to the rotating shaft 130, and optionally rotated relative to the roller body 121 relative to the elastic band 122 It is configured to include.

The roller body 121 may be formed of a conventional plastic material in a hollow cylindrical shape, may be coupled to the rotating shaft 130 and integrally rotated together with the rotating shaft 130. The roller body 121 may be selectively detachably coupled to the rotating shaft 130, for this purpose, the rotating shaft 130 and the roller body 121 are fastened to each other in communication with each other along the radial direction (121b, 130a) ) Is formed through, and the fastening pins 123 are coupled to the respective fastening holes 121b and 130a so that the roller body 121 and the rotating shaft 130 may be selectively detachably coupled. Of course, in some cases, the roller body 121 may be configured to be fixedly coupled to the rotating shaft 130 by an adhesive as in the prior art.

The elastic band 122 is a ring shape having a width corresponding to the width of the roller body 121 is formed of a conventional rubber or urethane material to have a predetermined tension on the surface, coupled to surround the outer peripheral surface of the roller body 121 do.

At this time, the elastic band 122 is coupled to have a certain rotational restraint force with respect to the roller body 121 can be rotated with the roller body 121, more than the rotational restraint force between the roller body 121 and the elastic band 122 When a large external force is applied to the elastic band 122, only the roller body 121 therein is configured to rotate while the elastic band 122 is stopped.

The relative rotational restraint between the roller body 121 and the elastic band 122 forms a band fixing protrusion 122a on one side of the outer circumferential surface of the roller body 121 and the inner surface of the elastic band 122, and the roller body ( It may be made by forming a projection receiving groove (121a) to accommodate the band fixing protrusion (122a) on the other side of the outer peripheral surface of the 121 and the inner surface of the elastic band 122. Preferably, the band fixing protrusions 122a are formed on the elastically deformable elastic band 122 to prevent the elastic band 122 from being damaged when the roller body 121 is rotated relative to the elastic band 122. do.

Hereinafter, a plurality of protrusion receiving grooves 121a are formed in the outer circumferential surface of the roller body 121 at predetermined intervals along the circumferential direction, and the elastic band 122 may be accommodated in the protrusion receiving grooves 121a. An example in which a plurality of band fixing protrusions 122a are formed on the inner circumferential surface of the inner circumferential surface to be spaced apart by a predetermined interval will be described.

In addition, the elastic band 122 is formed to have an inner diameter (D2) smaller than the outer diameter (D1) of the roller body 121 may be coupled to elastically wrap the outer peripheral surface of the roller body (121). Such a structure is provided between the elastic band 122 and the roller body 121 together with the rotational binding force by the protrusion receiving groove 121a and the band fixing protrusion 122a under the condition that no external force is applied to the elastic band 122. The relative rotation of the elastic band 122 and the roller body 121 by the friction force can be restrained stably. In other words, the elastic band 122 is coupled to elastically surround the outer circumferential surface of the roller body 121, so that the external force greater than the rotational constraint by the protrusion receiving groove 121a and the band fixing protrusion 122a has the elastic band 122. It is possible to prevent the slip and relative rotation between the elastic band 122 and the roller body 121 that can be generated even when not applied to.

By such a configuration, the elastic band 122 and the roller body 121 may be integrally rotated or relative to each other depending on whether an external force is applied to the elastic band 122.

7 is a cross-sectional view showing the operation structure of the conveying roller according to the present invention. As shown in FIG. 7, the band fixing protrusion 122a is accommodated in the protrusion receiving groove 121a and the elastic band 122 may be integrally rotated with the roller body 121 by the rotational restraint force. When an external force F greater than the rotational restraint force by the accommodation groove 121a and the band fixing protrusion 122a is applied to the elastic band 122, the band fixing protrusion 122a protrudes while the elastic band 122 is stopped. Only the roller body 121 inside the elastic band 122 may be rotated to be separated from the receiving groove 121a. In addition, after the external force applied to the elastic band 122 is released, the band fixing protrusion 122a is accommodated as another neighboring protrusion receiving groove 121a in the first receiving protrusion 121a, and the elastic band 122 and the roller are received. The relative rotation between the bodies 121 may be restrained.

As such, the present invention allows the elastic band 122 to be selectively rotated relative to the roller body 121, whereby the elastic band 122 is stopped by an external force as a jam is generated on the conveyance path of the banknote. In this state, only the roller body 121 therein can be rotated, and the overload of the driving motor (not shown) for driving the conveying roller 120 can be prevented in advance, and the conveying roller according to the overload Damage to peripheral parts associated with the 120 and the conveying roller 120 can be prevented.

In addition, the present invention allows the relative rotation between the roller body 121 and the elastic band 122 to be selectively restrained through the band fixing protrusion 122a and the protrusion receiving groove 121a, excluding a separate bonding process, It not only reduces costs but also improves workability and productivity.

In addition, such a structure makes it possible to simply separate and replace only the elastic band 122 even when the elastic band 122 is replaced due to wear and damage, and the elastic band 122 having different thicknesses according to required conditions. It can be replaced easily.

In the above-described and illustrated embodiments of the present invention, the conveying roller 120 of the present invention has been described with an example installed on the guide plate 110 defining the conveying path of the paper medium, but in some cases, a separate guide plate The conveying roller 120 may be used alone in a structure that does not require (110).

8 is a side view showing the structure of a conveying roller according to another embodiment of the present invention.

As shown in Figure 8, the conveying roller of the present invention can be applied to a cash cassette for storing paper media such as cash or check. That is, the cash cassette is accommodated so that the paper medium is stacked therein, the cassette body 210 having a discharge hole 211 is formed so that the paper medium is discharged to the outside, the pickup roller for picking up the paper medium (PICKUP ROLLER) 220, a feed roller 230 for feeding the paper medium so that the paper medium picked up by the pickup roller 220 can be discharged to the outside through the discharge hole 211, the paper medium being fed The gate roller (GATE ROLLER) 240 is fixed to be disposed so as to face the feed roller 230 so as to guide the paper medium fed by the feed roller 230.

By this configuration, the paper medium inside the cassette body 210 is picked up by the pick-up roller 220 in units of sheets and then fed by the feed roller 230 and guided by the gate roller 240 and discharge holes 211. It may be discharged to the outside of the cassette body 210 through the).

At this time, as the feed roller 230, the conveying roller of the present invention (120 of FIG. 3) consisting of a roller body (see 121 of FIG. 3) and an elastic band (see 122 of FIG. 3) which is selectively rotatably coupled to the roller body. May be applied, and repeated description thereof will be omitted.

In addition, the conveying roller according to the present invention can also be used as a roller used in a normal conveying belt (not shown) installed to define a conveying path of a paper medium in a teller machine, that is, a roller defining a moving trajectory of the conveying belt. In addition, it can be applied to a variety of locations for a variety of uses depending on other requirements and design specifications.

As seen above, according to the conveying roller according to the present invention by allowing the elastic band to be selectively rotated relative to the roller body, so that only the roller body therein can be rotated even when the elastic band is stopped by an external force. In addition, it is possible to prevent the overload of the driving motor for driving the conveying roller in advance, and to prevent the damage of the conveying roller and the peripheral parts associated with the conveying roller due to the overload.

In addition, the present invention allows the relative rotation between the roller body and the elastic band to be selectively restrained through the band fixing protrusion and the projection receiving groove, excluding the separate bonding process, thereby reducing the cost as well as workability and To improve productivity.

In addition, the present invention makes it possible to simply replace and replace only the elastic band even when replacing due to wear and damage of the elastic band, it is possible to easily replace with an elastic band having a different thickness according to the requirements.

As described above, although described with reference to the preferred embodiment of the present invention, those skilled in the art various modifications and variations of the present invention without departing from the spirit and scope of the invention described in the claims below I can understand that you can.

Claims (5)

In the conveying roller which is provided on one rotating shaft to be disposed on the conveying path of the paper medium to convey the paper medium, A roller body coupled to the rotating shaft and having a plurality of protrusion accommodation grooves spaced apart from each other on an outer circumferential surface thereof; And A band fixing protrusion that is accommodated in the protrusion receiving groove is coupled to surround the outer circumferential surface of the roller body, and a relative rotation with respect to the roller body when an external force greater than the rotational binding force between the protrusion receiving groove and the band fixing protrusion is applied. Including elastic band; The rotating shaft and the roller body are formed in each of the fastening holes to communicate with each other, each of the fastening roller characterized in that the fastening pin is fastened to each of the fastening holes. delete delete In the conveying roller which is provided on one rotating shaft to be disposed on the conveying path of the paper medium to convey the paper medium, A roller body selectively coupled to the rotating shaft and having a plurality of protrusion accommodation grooves spaced apart from each other on an outer circumferential surface thereof; And It is formed to have an inner diameter smaller than the outer diameter of the roller body and is provided with a band fixing protrusion that is accommodated in the projection receiving groove is coupled to elastically wrap the outer peripheral surface of the roller body, the rotation between the projection receiving groove and the band fixing protrusion An elastic band rotated relative to the roller body when an external force greater than a restraining force is applied; Conveying roller comprising a. The method of claim 4, wherein The rotating shaft and the roller body are formed in each of the fastening holes to communicate with each other, each of the fastening roller characterized in that the fastening pin is fastened to each of the fastening holes.

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