KR100580917B1 - Printer having apparatus for arranging front part of paper - Google Patents

Abstract

The present invention provides a feed roller for conveying paper; A printhead for printing on paper; The circumference is formed in the shape of a disc longer than the length of the paper, and the central axis is combined to form a right angle with the conveying direction of the paper, and at the same time the forward axis and reverse rotation with the central axis as the rotation axis, the outer peripheral surface One or more loading drums for loading in close contact with each other; A front end detection sensor for sensing a front end position of the paper stacked on the outer circumferential surface of the stacking drum and generating a paper position signal; A control unit which receives a paper position signal and controls the rotational speed of the feed roller so that the leading end of the paper loaded on the loading drum and the leading end of the paper transferred to the loading drum coincide with each other; Provides a printer having a paper leading edge alignment device comprising a; discharge end is in close contact with the outer circumferential surface of the loading drum so that one end is elastic and inclined in the forward rotation direction of the loading drum.

Printer, paper, tip, alignment, drum

Description

Printer with apparatus for arranging front part of paper}

1 is a cross-sectional view of a printer having a conventional paper sorting device.

FIG. 2 shows a shape in which the paper loaded in the state shown in FIG. 1 is discharged.

Fig. 3 is a side sectional view showing an internal configuration of a printer having a paper leading edge alignment device according to the present invention.

Figure 4 is a perspective view showing a shape in which the paper and the discharge guide in contact with the loading drum applied to the present invention.

Figure 5 is a front view showing a shape in which the paper and the discharge guide in contact with the loading drum applied to the present invention.

6 and 7 sequentially show the shape in which the leading edge of the paper is aligned by a printer having the leading edge alignment device according to the present invention.

8 and 9 sequentially show a shape in which paper is discharged by a printer having a paper leading edge alignment device according to the present invention.

Fig. 10 shows a shape in which the paper is collected by collecting the paper by a printer having a paper leading edge alignment device according to the present invention.

<Description of Symbols for Main Parts of Drawings>

100: feed roller 200: print head

300: loading drum 310: loading guide

320: upper outer peripheral surface 330: lower outer peripheral surface

400: tip detection sensor 500: discharge guide

600: Recovery Box 700: Recovery Guide

800: tray 900: cutter

The present invention relates to a printer having a paper leading edge alignment device, and more particularly, to a printer having a paper leading edge alignment device configured to discharge the outside of the printer after front end alignment of a plurality of sheets of printing is completed.

The conventional printer is a method of discharging the finished paper, the method of discharging the printed paper one by one sequentially while the print job is in progress, and a plurality of papers printed after all the print jobs are completed at once There is a way to discharge. At this time, the printer for discharging a plurality of print paper at once includes a device for arranging and stacking a plurality of paper.

Hereinafter, a printer having a conventional paper sorting apparatus will be described with reference to the accompanying drawings.

1 is a cross-sectional view of a printer having a conventional paper sorting device.

As shown in FIG. 1, a conventional printer having a structure for discharging a plurality of sheets at once, extracts the paper P from the tray 10, prints the print head 20, and cuts the cutter 30 to an appropriate length. After that, the sheets P are aligned using a sheet sorter.

At this time, the conventional paper sorter, the paper guide 40 for guiding the conveying path of the paper P cut by the cutter 30, and the conveyance for transporting the paper (P) to the upper portion of the discharge roller 60 It is comprised including the roller 50.

In addition, the printer is provided with a paper guide 40 for guiding the conveying direction of the paper on the path through which the paper P is conveyed, and closely adheres the paper loaded on the upper surface of the discharge roller 60 to the discharge roller 60. The pressurization part 70 is further provided. At this time, the paper (P) which is conveyed to the upper side of the discharge roller 60 through the feed roller 50 is loaded on the upper surface of the discharge roller 60 in a free-falling manner.

Therefore, the paper P loaded on the upper surface of the discharge roller 60 is not aligned neatly under the influence of frictional force with the internal parts of the printer, the flow of air, various dusts and static electricity, and irregularly as shown in FIG. 1. Aligned.

In particular, when the size of the paper P is cut differently according to the printing amount, such irregular alignment is remarkably generated.

FIG. 2 shows a shape in which the paper loaded in the state shown in FIG. 1 is discharged.

As shown in Figure 2, the upper portion of the discharge roller 60, the pressing portion 70 is movable in the vertical direction in order to closely adhere the paper (P) loaded on the upper surface of the discharge roller 60 to the discharge roller 60. Is provided, the paper (P) is completed loading is in close contact with the discharge roller 60 by the pressing portion 70 is moved downwards and is discharged so that a part of the rear end by the discharge roller 60 protrudes out of the printer. .

However, the printer having the above structure does not have a function of aligning the front end of the loaded paper, and thus, it is impossible to discharge all the loaded paper at once as shown in FIG. Therefore, a user using a conventional printer grabs and pulls a part of the paper to obtain a paper that is not discharged, and there is a possibility that the printed contents of the paper may be smeared or the paper may be damaged while the paper is pulled out. There are disadvantages.

The present invention has been made to solve the above problems, and to provide a printer having a paper leading edge alignment device configured to not only discharge the finished paper at once, but also to discharge all the paper at the same time. There is this.

A printer having a paper leading end alignment device according to the present invention for achieving the above object, the transfer roller for transferring the paper; A printhead for printing on paper; The circumference is formed in the shape of a disc longer than the length of the paper, and the central axis is combined to form a right angle with the conveying direction of the paper, and at the same time the forward axis and reverse rotation with the central axis as the rotation axis, the outer peripheral surface One or more loading drums for loading in close contact with each other; A front end detection sensor for sensing a front end position of the paper stacked on the outer circumferential surface of the stacking drum and generating a paper position signal; A control unit which receives a paper position signal and controls the rotational speed of the feed roller so that the leading end of the paper loaded on the loading drum and the leading end of the paper transferred to the loading drum coincide with each other; One end is elastic and closely adhered to the outer circumferential surface of the loading drum so as to be inclined in the forward rotation direction of the loading drum. When the printing drum loaded with the paper rotates in reverse, the paper transfer path is guided so that the paper is separated from the discharge drum and discharged. It is configured to include a discharge guide.

 In addition, the printer having a paper leading edge alignment device according to the present invention, the collection box for storing the paper is not discharged, such as abnormal paper, and one end is elastic and inclined in the forward rotation direction of the loading drum It is in close contact with the outer circumferential surface of the loading drum, when the printing drum loaded with the paper reverse rotation further includes a recovery guide for guiding the conveying path of the paper so that the paper is separated from the loading drum and conveyed to the collecting container.

The loading drum is composed of an upper outer circumferential surface whose outer circumferential surface is far from the center of rotation and a lower outer circumferential surface whose distance from the center of rotation is close. At this time, the paper is in contact with the upper outer circumferential surface is loaded to surround the loading drum, the discharge guide and the recovery guide is configured so that one end is in close contact with the lower outer circumferential surface.

In addition, the discharge guide and the recovery guide, one end is in contact with the outer circumferential surface of the loading drum, the other end is preferably applied to the leaf spring fixedly coupled to the inside of the printer.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of a printer having a paper leading end alignment device according to the present invention.

Fig. 3 is a side sectional view showing an internal configuration of a printer having a paper leading edge alignment device according to the present invention.

As shown in FIG. 3, the printer including the paper leading edge alignment device according to the present invention includes a feed roller 100 for transferring paper P; A print head 200 for printing on the paper P; The circumference is formed in a disk shape longer than the length of the paper (P), the central axis is coupled to form a right angle to the conveying direction of the paper (P) and at the same time composed of a structure capable of forward and reverse rotation with the central axis as the rotation axis, A plurality of loading drums 300 for loading the printed paper P in close contact with the outer circumferential surface; It is coupled to a position spaced apart from the outer circumferential surface of the loading drum 300, the front end detection sensor 400 for detecting the leading position of the paper (P) to be loaded on the outer circumferential surface of the loading drum 300 to generate a paper position signal and ; Rotation of the feed roller 100 so that the front end of the paper P loaded on the loading drum 300 and the end of the paper P being transferred to the loading drum 300 coincide with the paper position signal. A controller for controlling the speed; One end is elastic and in close contact with the outer circumferential surface of the loading drum 300 so as to be inclined in the forward rotation direction of the loading drum 300, when the printing drum on which the paper P is loaded rotates in reverse, the paper P is loaded. A discharge guide 500 for guiding a transport path of the paper P to be discharged from the drum 300; A retrieval box 600 for storing paper P which is not required to be discharged such as abnormal paper P; One end is elastic and in close contact with the outer circumferential surface of the loading drum 300 so as to be inclined in the forward rotation direction of the loading drum 300, when the printing drum on which the paper P is loaded rotates in reverse, the paper P is loaded. And a recovery guide 700 for guiding the transport path of the paper P to be separated from the drum 300 and to be transported to the recovery box 600.

Around the outer circumferential surface of the loading drum 300, a loading guide 310 is coupled to be spaced apart from the outer circumferential surface of the loading drum 300 to limit the position of the paper P loaded on the outer circumferential surface of the loading drum 300. It is provided with.

In addition, the printer having a paper leading end alignment apparatus according to the present invention is configured to include a tray 800 for storing paper P and a cutter 900 for cutting the paper P. Since the configuration and operation of the 800 and the cutter 900 are the same as the configuration and operation of the tray 800 and the cutter 900 applied to the conventional printer, a detailed description thereof will be omitted.

Figure 4 is a perspective view showing a shape in which the paper and the discharge guide is in contact with the loading drum applied to the present invention, Figure 5 is a front view showing a shape in which the paper and the discharge guide is in contact with the loading drum applied to the present invention.

As shown in FIGS. 4 and 5, the loading drum 300 applied to the present invention has an outer circumferential surface as an upper outer circumferential surface 320 far from a rotation center and a lower outer circumferential surface 330 near a distance from a rotation center. It is comprised so that a step may be formed in an outer peripheral surface. At this time, the paper (P) is in contact with the upper outer peripheral surface 320 is loaded to surround the loading drum 300, the discharge guide 500 is configured so that one end is in close contact with the lower outer peripheral surface (330).

Discharge guide 500, one end is elastic in the direction that is in close contact with the loading drum 300, the outer peripheral surface of the loading drum 300 is preferably applied, the other end is preferably applied to the leaf spring fixedly coupled to the inside of the printer . When one end of the discharge guide 500 in close contact with the loading drum 300 is lifted by a force greater than the elastic force in close contact with the loading drum 300, the discharge guide 500 is spaced apart from the loading drum 300. Will be maintained.

At this time, the recovery guide 700 is only the difference in the coupling position when compared with the discharge guide 500, and in the coupling structure and role is the same as the discharge guide 500, a detailed description thereof will be omitted.

6 and 7 sequentially show the shape in which the leading edge of the paper is aligned by a printer having the leading edge alignment device according to the present invention.

When the paper P is transferred from the tray 800 to the print head 200 by the feed roller 100, the print head 200 prints the recorded content on the paper P, and the outer peripheral surface of the loading drum 300. And is transferred between the loading guide 310. The cutter 900 cuts the paper P to an appropriate length according to the amount of the recorded contents, and the discharge guide 500 and the recovery guide 700 are formed so that the paper P adheres to the outer peripheral surface of the loading drum 300. Apply elastic force to P).

At this time, since the force for introducing the paper P between the discharge guide 500 and the loading drum 300 is set larger than the elastic force of the discharge guide 500, the tip of the paper P is rotated by the rotation of the loading drum 300. When passing through the point where the discharge guide 500 and the loading drum 300 is in contact, the paper (P) is drawn between the discharge guide 500 and the outer peripheral surface of the loading drum 300 as shown in Figure 6 loading drum It will wrap 300. Accordingly, the discharge guide 500 serves to closely adhere the paper (P) to the outer peripheral surface of the loading drum (300).

When the front end sensor 400 detects the line unit value of the paper P loaded to surround the loading drum 300 and transmits the line unit value to the controller, the controller is loaded to surround the loading drum 300 as shown in FIG. 7. The rotation speed of the feed roller 100 is controlled so that the front end of the paper P to be matched with the front end of the new paper P introduced into the loading drum 300. Therefore, the papers P loaded on the loading drum 300 overlap each other so that their ends coincide with each other regardless of the length of each paper P. FIG.

8 and 9 sequentially show a shape in which paper is discharged by a printer having a paper leading edge alignment device according to the present invention.

Since the loading drum 300 applied to the present invention is manufactured to have a circumference longer than the maximum length of the paper P, there is an open area that is not covered by the paper P and exposed to the outside on the outer circumferential surface of the loading drum 300. Done.

When the paper P loaded on the outer circumferential surface of the loading drum 300 is to be discharged, as shown in FIG. 8, the loading drum 300 is positioned so that an end of the discharge guide 500 is positioned in an open area of the loading drum 300. When the loading drum 300 is rotated in the reversed position, the paper P loaded on the outer circumferential surface of the loading drum 300 passes through the bottom of the discharge guide 500 from the rear end to the outside of the printer as shown in FIG. 9. Discharged.

At this time, the discharge guide 500 is not only obliquely inclined in the forward rotation direction of the loading drum 300 is in contact with the loading drum 300, but also the center of the loading drum 300 than the loading position of the paper (P) Since the paper P is loaded on the outer circumferential surface of the loading drum 300, the paper P is not drawn between the discharge guide 500 and the loading drum 300.

As shown in Fig. 9, when the leading edges of the respective papers P are aligned and discharged to the outside of the printer, the papers P are discharged at the same time point, so that the user can more easily acquire each paper P. It becomes possible. Therefore, the use of the printer with the sheet leading edge alignment device according to the present invention has the advantage that the printing may be smeared or the paper P may be damaged in the process of acquiring the paper P.

Fig. 10 shows a shape in which the paper is collected by collecting the paper by a printer having a paper leading edge alignment device according to the present invention.

When the paper P loaded on the outer circumferential surface of the loading drum 300 is to be recovered by the storage box 600, the loading drum 300 is positioned so that the end of the recovery guide 700 is positioned in an open area of the loading drum 300. Reversely rotate the loading drum 300 in the position. Therefore, the paper P loaded on the outer circumferential surface of the loading drum 300 is transported from the rear end to the recovery box 600 from the rear side by passing through the bottom of the recovery guide 700.

At this time, the operation and the configuration of each part of the paper P is recovered to the collection box 600 along the recovery guide 700, the same operation and the configuration of each part of the paper P is discharged to the outside along the discharge guide 500. Therefore, detailed description thereof will be omitted.

As mentioned above, although this invention was demonstrated in detail using the preferable embodiment, the scope of the present invention is not limited to a specific embodiment and should be interpreted by the attached claim.

In particular, the rear end alignment device of the paper P according to the present invention can be applied not only to the printer described in the present embodiment but also to various apparatuses that require alignment of the paper P such as a copying machine and a facsimile.

In addition, those skilled in the art should understand that many modifications and variations are possible without departing from the scope of the present invention.

The printer having the paper leading edge alignment device according to the present invention is configured to complete the discharge of each paper P at the same time, so that some of the paper P is finished and some paper P is finished. It is possible to prevent the phenomenon that does not work.

Therefore, when the printer having the paper leading edge alignment device according to the present invention is used, there is no fear that the printed content on the paper P may be smeared or the paper P may be damaged in the process of acquiring the discharged paper P. Not only is it easy to use, but also has the advantage of ensuring safety with respect to the discharge paper (P).

Claims (6)

delete A feed roller 100 for feeding the paper P; A print head 200 for printing on the paper P; The circumference is formed in a disk shape longer than the length of the paper (P), the central axis is coupled to form a right angle to the conveying direction of the paper (P) and at the same time composed of a structure capable of forward and reverse rotation with the central axis as the rotation axis At least one loading drum 300 for loading the printed paper P in close contact with the outer circumferential surface; A front end detection sensor 400 for sensing a front end position of the paper P loaded on an outer circumferential surface of the loading drum 300 and generating a paper position signal; Receiving the paper position signal, the feed roller 100 so that the leading end of the paper (P) loaded on the loading drum 300 and the end of the paper (P) to be transferred to the loading drum 300 to match the completion A control unit controlling an operation of the control unit; An discharge guide 500 having one end thereof elastic and closely adhered to an outer circumferential surface of the loading drum 300 so as to be inclined in a forward rotation direction of the loading drum 300; A retrieval box 600 for storing paper P for which discharge is not required; A recovery guide 700 having one end thereof elastic and closely adhered to an outer circumferential surface of the loading drum 300 so as to be inclined in a forward rotation direction of the loading drum 300; Printer having a paper leading end alignment device, characterized in that further comprises. The method of claim 2, The loading drum 300, The outer circumferential surface is composed of an upper outer circumferential surface 320 that is far from the center of rotation, and a lower outer circumferential surface 330 that is shorter than the upper outer circumferential surface 320. It is configured to be stacked so that the paper (P) is wrapped on the upper outer peripheral surface (320); The discharge guide 500 and recovery guide 700, Printer having a front end alignment device, characterized in that one end is coupled to be in close contact with the lower outer peripheral surface (330). The method according to any one of claims 2 to 3, A loading guide coupled to an outer circumferential surface of the loading drum 300 to be spaced apart from the outer circumferential surface of the loading drum 300 to limit the position of the paper P loaded on the outer circumferential surface of the loading drum 300. Printer having a paper leading alignment device, characterized in that it further comprises 310). The method according to any one of claims 2 to 3, The discharge guide 500, One end is in contact with the outer circumferential surface of the loading drum 300, A printer having a paper leading edge alignment device, characterized in that the other end is a leaf spring fixedly coupled to the inside of the printer. The method of claim 2 or 3, The recovery guide 700, One end is in contact with the outer circumferential surface of the loading drum 300, A printer having a paper leading edge alignment device, characterized in that the other end is a leaf spring fixedly coupled to the inside of the printer.

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