KR200176056Y1 - A paper cutting apparatus for printer - Google Patents

Abstract

The present invention relates to a paper cutting device of the printer, the cutting device of the present invention is formed on the outer periphery of the drive shaft, the drive motor is mounted to the inside of the main body to generate power, the drive shaft rotates by receiving power from the drive motor The first guide groove extending from the one side of the drive shaft to the middle portion of the drive shaft and the second guide groove extending from the other side of the drive shaft to the middle portion of the drive shaft, the first cutter having a first guide protrusion fitted into the first guide groove, the second guide And a second cutter having a second guide protrusion fitted into the groove. In the paper cutting device of the printer according to the present invention, since the two cutters respectively go in a direction facing each other to cut the paper at the same time, each cutter divides and cuts about half of the paper. Accordingly, the time consumption for cutting the paper is made faster than the cutting by one reciprocating drive blade at the end, thereby improving the cutting efficiency for the printed paper.

Description

A paper cutting apparatus for printer

The present invention relates to a paper cutting device of a printer, and more particularly, to a paper cutting device of a printer to be able to perform the cutting of the printed paper quickly.

In general, the printer's paper cutting device is used to mount a small printer for issuing a receipt, cutting a printed label, etc., and is generally provided as a cutter so that the cutter cuts the paper while driving left and right in the horizontal direction of the paper. It is supposed to be.

However, in the conventional paper cutting device, since the cutting of the paper is performed using only one cutter, the cutting of the paper is completed only when the cutter is driven with a movement width greater than the width of the paper.

Therefore, the driving time for cutting the paper becomes longer, and thus, the waiting time for issuing printed paper becomes longer, which causes a problem in prompt paper issuance. In particular, such as in a large-scale discount store in recent years There was a problem that caused a lot of inconvenience to the user due to the delay of the issuance time of the receipt.

The present invention is to solve the above problems, an object of the present invention is to provide a paper cutting device of the printer to minimize the driving stroke of the cutter so that the cutting of the paper printed in the printer can be made quickly.

1 is a perspective view showing the appearance of a paper cutting device according to the present invention.

2 is a perspective view showing an internal configuration of a paper cutting device according to the present invention.

3 is a view showing an initial operating state of the paper cutting device according to the present invention.

4 is a view showing a state during operation of the paper cutting device according to the present invention.

5 is a view showing the final operating state of the paper cutting apparatus according to the present invention.

(Explanation of symbols for the main parts of the drawing)

10 ... cutting device

50 ... body

51 ... drive shaft

52 ... driving motor

60 ... the first cutter

70 ... the second cutter

80.Detect plate

In order to achieve the above object, the present invention has a main body, a drive motor mounted inside the main body to generate power, a drive shaft rotated by receiving power from the drive motor, and formed on an outer circumference of the drive shaft, A first guide groove extending into the middle portion of the drive shaft and a second guide groove extending from the other side of the drive shaft to the middle portion of the drive shaft, a first cutter having a first guide protrusion fitted into the first guide groove, and the second guide groove. And a second cutter having a second guide protrusion inserted into the groove, wherein the first cutter and the second cutter are respectively installed on the outer circumference of the driving shaft, and the guide protrusion is installed on one side of the housing and the housing formed therein. And a first circular blade and a second circular blade, the ends of which are partially overlapped with each other. A sensing means for detecting restoration along the droid is provided.

The sensing means may include a sensing plate hinged to the inside of the main body so as to be caught by one side of the first cutter and a switch which contacts the other end of the sensing plate and operates by rotating the sensing plate.

Hereinafter, one preferred embodiment according to the present invention will be described in detail with reference to the drawings.

As shown in FIG. 1, the paper cutting device 10 of the printer according to the present invention includes a main body 50 forming an outer appearance and a driving shaft 51 which is axially supported in the main body 50 in a transverse direction. have.

In addition, a driving motor 52 for generating power is installed below the driving shaft 51. The driving motor 52 and the driving shaft 51 are connected by a plurality of gear structures, so that the power of the driving motor 52 is driven. It is supposed to be delivered to 51.

The gear structure includes a first idler gear 53 and a first idler gear 53 having a large-diameter gear portion engaged with the rotation pinion 52a of the drive motor 52 and a small-diameter gear portion extending to one side from the large-size gear portion. ) Is provided with a second idler gear 54 engaged with the small-diameter gear portion and a drive gear 55 engaged with the second idler gear 54 and coupled to the axis of the drive shaft.

Meanwhile, as illustrated in FIGS. 1 and 2, first and second cutters 60 and 70 are installed at left and right ends of the drive shaft 52. The first cutter 60 and the second cutter 70 are for cutting the paper located on the drive shaft 51, the first cutter 60 and the second cutter 70 along the drive shaft 51 They move in the lateral direction, that is, the direction facing each other.

The first cutter 60 and the second cutter 70 form an outer appearance, and the first cutter 60 of the first cutter 60 protruding in the housing 61 and the housing 61 fitted into the outer diameter of the drive shaft 51. The guide protrusion 62 and the second guide protrusion 72 of the second cutter 70 are provided, and the first circular blade 63 and the second circular blade 64 for cutting are disposed on the upper side of the housing 61. These circular blades 63 and 64 are provided so as to partially cross each other in the vertical direction. And for the installation of such circular blades 63, 64 is provided extending from the housing 61 to the upper support 65 so that each of the circular blades 63, 64 is axially coupled.

The first guide groove 51a and the second guide groove 51b are formed on the outer circumference of the drive shaft 51. Each of the guide grooves 51a and 51b extends along the outer circumference of the drive shaft 51 in the oblique direction, and extends in the diagonal direction opposite to the side end of the drive shaft 51 again at the center portion of the drive shaft 51. have. Therefore, the groove for guiding the cutters 60 and 70 in the portion extending to the center of the drive shaft 51 toward the center of the drive shaft 51 is the forward groove, and the groove for guiding the side end of the drive shaft is called the retraction groove. You may.

Therefore, the first guide groove 51a and the second guide groove 51b are formed on the outer circumference of the drive shaft 51 as a whole, and thus, a plurality of grooves having an 'X' shape appear to extend to each other.

Next, the lower part of the drive shaft 51 detects the return state of the first cutter 60 that returns to the center portion of the drive shaft 51 to perform the cutting on the paper P and then return. The sensing means for controlling the power of the drive motor 52 is installed.

The sensing means is in contact with the sensing plate 80 hinged by the hinge coupling portion 81 on the side wall of the main body 50 in the lower portion of the first cutter 60 and the right end of the sensing plate 80 It is provided with a switch 90 that operates according to the rotation of the 80. In particular, the left end of the sensing plate 80 is bent to be inclined toward the first cutter 60, and the right end is formed to bend 82 to be beveled to the lower switch 90.

Therefore, the sensing plate 80 is rotated by being caught by the lower end of the housing 61 of the first cutter 60 when the first cutter 60 returns, and thus the right end of the sensing plate 80 is rotated to switch The drive state of the drive motor 52 is controlled by pressing the lever 91 of 90 to operate the switch 90.

Hereinafter will be described the operating state of the paper cutting device 10 according to the present invention configured as described above.

In the paper cutting device 10 of the printer according to the present invention, paper printed from a printer (not shown) is first guided to the cutting device 10. The paper at this time is usually used at the time of issuance of receipts of goods sold as roll paper P or the like.

Therefore, the roll paper P, which is printed by the printer, is cut and issued according to the printed list. For this purpose, the printed roll paper P is placed on the upper side of the paper cutting device 10, that is, the first cutter 60. ) And the second cutter 70.

At this time, if the progress of the roll paper (P) is detected, and the appropriate cutting position is recognized (of course, the operation for detection at this time is equipped with a separate sensor, etc., the devices for ejecting and guiding the paper Is installed in the printer.) The paper cutting apparatus 10 is operated.

The operation of the paper cutting device 10 is first rotated pinion of the drive motor 52 as the drive motor 52 installed inside the paper cutting device 10 for the cutting of the paper as shown in FIG. Power is transmitted from the 52a to the drive shaft 51 through the first idler gear 53, the second idler gear 54, and the drive gear 55.

In addition, each of the guide protrusions 62 and 72 is formed in the direction in which the first cutter 60 and the second cutter 70 face each other due to the rotation of the drive shaft 51, and the first guide groove 51a of the drive shaft 51. The second guide groove 51b proceeds along, so that the paper located on the upper side of the drive shaft 51 as shown in FIG. 4 has the upper and lower circular blades 63 of the respective cutters 60 and 70. The cutting is made by 64.

Subsequently, when each of the cutters 63 and 64 comes into contact with each other at the center of the drive shaft 51 at the same time as the cutting of the paper P is completed, one cutter (as shown in FIG. 5) is continuously rotated by the drive shaft 51. 60 and the second cutter 70 are restored to both sides of the drive shaft 51 by traveling in the opposite direction of the forward movement of the first guide groove 51a and the second guide groove 51b.

At this time, while the first cutter 60 is guided and restored along the first guide groove 51a of the drive shaft 51, the lower portion of the housing 61 presses the left end of the sensing plate 80, thereby detecting the sensing plate ( 80 is rotated around the hinge engaging portion 81 as the center. Accordingly, the bent portion 82 at the right end of the sensing plate 80 applies an external force to the lever 91 of the switch 90 by rotating the sensing plate 80 to operate the switch 90 to drive the motor 52. By stopping the operation of) will be the operation of the paper cutting device 10 is completed.

The paper cutting device of the printer according to the present invention as described above, the two cutters each proceed in a direction facing each other, so that the cutting of the paper is made at the same time, so that each cutter is divided by cutting about half of the paper. Accordingly, the time consumption for cutting the paper is made faster than the cutting by one reciprocating drive blade at the end, thereby improving the cutting efficiency for the printed paper.

Claims (4)

main body, A driving motor mounted inside the main body to generate power; A drive shaft that receives power from the drive motor and rotates the same; A first guide groove formed on an outer periphery of the drive shaft and extending from one side of the drive shaft to an intermediate portion of the drive shaft and a second guide groove extending from the other side of the drive shaft to an intermediate portion of the drive shaft; A first cutter having a first guide protrusion fitted into the first guide groove, And a second cutter having a second guide protrusion inserted into the second guide groove. The first and second cutters of claim 1, wherein the first cutter and the second cutter are respectively installed on the outer circumference of the drive shaft, and the first protrusion is installed on one side of the housing and the housing formed with the guide protrusion therein, the ends of which are partially overlapped. Paper cutting device of a printer comprising a blade and a second circular blade. The paper cutting device according to any one of claims 1 to 3, wherein a sensing means for detecting restoration of the first cutter along the first guide groove is provided in the main body. According to claim 3, wherein the sensing means includes a sensing plate hinged to the inside of the main body to be caught and rotated on one side of the first cutter and a switch for operating in rotation of the sensing plate in contact with the other end of the sensing plate Paper cutting device of the printer, characterized in that.