KR101912652B1 - Cutting and Edge Part Mouding Device for Twin Ring Book Binder - Google Patents

Abstract

The present invention relates to an apparatus to cut a twin ring for bookbinding and mold an edge part thereof, capable of continuously cutting the twin ring used for binding a calendar, a desk calendar, a notebook, and various kinds of printing matters by a set length, and bending the edge part of the twin ring. According to the present invention, the apparatus to cut a twin ring for bookbinding and mold an edge part thereof comprises: a feeding roller to continuously feed a twin ring; a stepping motor controlling the number of rotations of the feeding roller to set a moving distance of the twin ring; and a guide block and a driving unit cutting the twin ring in accordance with a set length and continuously bending both cut end parts. As a gear part of the feeding roller operated by the stepping motor is rotated by being engaged with the bottom part of the twin ring, the twin ring is horizontally transferred through the guide block. As a rotational ring with an eccentric cam is mounted on a shaft of a motor, the driving unit allows a rotational bar to perform seesaw motion with respect to a hinge and, at the same time, moves a horizontal bar forward and backward by a link connected to the rotational ring. The front end part of the rotational bar holds the twin ring by a vertically operated position restriction bar, cuts the twin ring by a cutting block mounted on the front end part of the horizontal bar, and bends the cut end part of the twin ring by a pressing piece.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a twin ring cutting apparatus,

The present invention relates to a twin ring for bookbinding capable of continuously cutting a twin ring used for binding a calender, a calendar calender, a note, and various printed materials according to a set length, To a cutting and edge forming apparatus.

A typical twin ring binding machine is used as a device for punching a hole at one side edge of an object at regular intervals and then tightening with a twin ring. Such a twin ring can be made by bending a thin wire into a substantially semicircular shape, inserting one end into the first hole in accordance with a punching hole formed in the object, and sequentially inserting it into the first hole.

The above-mentioned twin ring binding technique enables quick work as compared with other means, and can freely change the spacing of the punch holes, the thickness of the binding material, and the like, and can flexibly cope with the production of a small amount of items Desktop calenders, notebooks and various printed bookbinding applications.

Regarding such bookbinding equipment, the "twin ring binding machine" disclosed in the domestic registered patent No. 0435404 compensates for the problem of non-economic due to an increase in personnel expenses and facility expenses, so that the hanger can be attached to the twin ring, Since a separate process for molding the hanger by working is included, there is a problem that the manufacturing time is long and the productivity is low.

Further, in the "twin ring bookbinding apparatus" disclosed in the registered patent No. 790222, since a simple cut is performed for a portion for connecting a pair of rings by providing a cutter which is vertically moved in the direction perpendicular to the feeding direction of the twin ring Since sharp protrusions are formed at the ends of the twin rings, problems such as damage to the body as well as clothing are frequently encountered in the process of using calenders or notes.

Accordingly, it is possible to consider a post-treatment process such as bending the cut portion of the twin ring. However, the equipment itself is complicated, the efficiency is lowered, and the manufacturing cost is increased.

Patent Publication No. 2010-0125919 (published Dec. 1, 2010) - Twin Ring Binding Structure. Open Patent No. 2011-0139369 (December 29, 2011 release) - Twin spring binding structure. Registered Patent No. 1223926 (Registered Jan. 13, 2013) - Twin ring edge clinching device. Registered Patent No. 1565158 (registered on October 27, 2015) - Unsprung cutting method of twin ring for bookbinding.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems occurring in the prior art, and it is an object of the present invention to provide a bookbinding twin ring capable of easily bending a sharp portion by upwardly bending an edge portion in a process of cutting a twin ring And to provide a cutting apparatus and an edge portion molding apparatus for a twin ring for a vehicle.

According to an aspect of the present invention, there is provided a twin ring comprising: a feeding roller for continuously feeding a twin ring; a stepping motor for controlling a rotation speed of the feeding roller to set a moving length of the twin ring; And a driving unit for bending and shaping the cut end portions continuously. The gear portion of the feeding roller operated by the stepping motor rotates by engaging with a lower end portion of the twin ring and rotates horizontally through the guide block And the driving unit is configured such that a rotary ring having an eccentric cam is mounted on an axis of the motor to perform a seesaw motion of the rotary bar around the hinge and to move the horizontal bar forward and backward by a link connected to the rotary ring, A twin ring is held by a position regulation bar which is operated in an upward and downward direction at the tip end portion of the rotation bar, It will configure a twin-ring by the boot block to bent parts of the cutting edge of the twin-ring by the compression pieces and simultaneously cutting.

In addition, the guide block has a curved surface portion in which a twin ring is inserted in a lower portion of a rectangular body and is conveyed in a horizontal direction, and a bracket is screwed to the center of the rear surface. A slot is formed in the bottom surface of the curved surface portion, And a groove is formed at the center of the lower end of the guide block.

Further, the cutting block is composed of a protrusion arranged in parallel so as to move back and forth into the groove of the guide block and a central protrusion having an inclined surface between the protrusion, As shown in Fig.

According to the present invention, since the edge portion can be bent upward in a process of cutting a required length while continuously transferring the twin ring, the present invention can easily remove the sharp portion generated when the twin ring is cut have.

In addition, since it does not require a separate coating process for the edge portion as well as the stepwise operation by the X and Y axis guiding portion including the mold tool and the cutting portion as in the conventional technique, the overall equipment itself is simplified, It is possible to reduce the cost.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is an overall perspective view of a twin ring edge clinching device as disclosed in patent No. 1223926,
Figure 2 is a side view of a twin ring edge clinching device,
3 is a top view of a twin ring edge clinching device,
Fig. 4 is a perspective view for explaining a twin ring in which edges are cleaned, Fig.
FIG. 5 is a perspective view illustrating the upper region of the twin ring edge clinching apparatus shown in FIG. 1,
Figure 6 is a top view of the twin ring edge clinching apparatus shown in Figure 5,
Figs. 7A and 7B are enlarged perspective views for explaining a cleansing portion, Fig.
FIG. 8 is a perspective view showing a twin ring cutting and edge forming apparatus according to the present invention,
Fig. 9 is a plan view of Fig. 8,
Fig. 10 shows a front view of the apparatus in a state in which the twin ring is fed, Fig.
11 is a perspective view showing the relationship between the twin ring and the cutting block,
12 is a side view showing the operating state of the drive unit,
Figs. 13A and 13B are plan views showing the operating states of the guide block and the cutting block,
14 is a schematic view showing a state in which the twin ring is fed to the guide block;
Figs. 15A and 15B are views showing the cutting process of the twin ring and the bending process of the edge portion.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, but the specific structures and functions of the present invention are not limited to the embodiments described in the present specification.

First, as an example related to the technical content of the present invention, a major part of the prior art disclosed in the Korean Patent No. 1223926 will be described, and after the problems are derived, the structure and the operation effect of the present invention will be described later do

1 to 3, the twin ring edge cleaning apparatus includes a mounting portion 100, a transfer portion 200, a cut-and-clean portion 300, a Z-axis operating portion 400, and a control panel 500 And the mounting portion 100, the transfer portion 200, and the cut-and-clean portion 300 are disposed on the base panel BP.

The mounting portion 100 is provided with a twin ring (TWR) requiring cutting. To this end, the mounting portion 100 has a twin ring TWR which is provided with a conveying roller 110 for conveying the twin ring TWR and has an elongated rod shape for guiding the twin ring TWR And supplies it to the mounting portion 100.

The feeding unit 200 feeds the twin ring TWR arranged in the mounting unit 100 and feeds the twin ring TWR to the cut-and-clean unit 300, thereby cutting the twin ring TWR and then bending the edge.

The Z-axis actuating part 400 is equipped with a cutting-clinching part 300. The Z-axis actuating part 400 is connected to the actuating cylinder 410 and feeds the Z-axis actuating part 400 according to the upward / downward movement of the actuating cylinder 410, that is, the Z-axis or Z-axis movement.

A first support bar 432 and a second support bar 434 are disposed on the facility body 420. A first support panel 440 is disposed in an intermediate region between the first and second support bars 432 and 434, A second support panel 450 is disposed in an upper region of the second support bars 432 and 434. An actuating cylinder 460 is disposed on the second support panel 450.

The control panel 500 controls the operation of the feeder 200 to feed the twin ring TWR by a predetermined length and controls the operation of the Z-axis actuating part 400 so that the twin ring TWR is cut and the edge is bent .

The twin ring edge cleaning apparatus further includes a coating liquid receiving portion 610 for storing a coating liquid supplied to the coating portion 600, a coating liquid pipe 610 for connecting the coating liquid receiving portion 610 and the coating portion 600, And a coating liquid blocking cover 630 for blocking the coating liquid from flowing out to the outside during coating operation.

Since the general twin ring (TWR) is made of a wire material, it is covered to prevent rust by oxidation or the like. Accordingly, as the twin ring (TWR) is cut and bent, the coating portion 600 is peeled off and the coating liquid is sprayed onto the exposed metal portion. As a result, the edges of the twin ring (TWR) are coated even if the cut portion of the twin ring (TWR) is sharp and sharp.

FIG. 4 is a perspective view for explaining the twin ring TWR. The twin ring TWR formed by zigzagging the covered wire has a body T10, a first edge T20 and a second edge T30 ). The main body T10 is composed of a plurality of bending members connected to each other and includes a linear portion T11, a first curved portion T12, a first bent portion T13, a second curved portion T14, The third curved portion T15, the second curved portion T16 and the fourth curved portion T17 are formed.

The straight line T11 is arranged along the Y-axis direction. The first curved portion T12 is connected to one end of the linear portion T11 and the second curved portion T14 is connected to the first curved portion T12 through the first bent portion T13, One end of the fourth curved line T17 is connected to the third curved line T15 through the second bent line T16 and the other end of the fourth curved line T17 is connected to the second curved line T15, And the other end is connected to the straight line portion T11 and arranged parallel to the first curved line portion T12.

Both ends of the main body T10 are cut by a cutting-clinch portion 300 and then bent into a U-shape. Then, a coating liquid is applied by the coating portion 600 to form first and second edge portions T20 , T30).

5 and 6, a transfer part 200 for transferring the twin ring TWR wound on the mounting part 100 to the cut-and-clean part 300 includes a first pulley 210, A second pulley 220, a third pulley 230, a fourth pulley 240, and a belt 250.

The first pulley 210 is disposed adjacent to the mounting portion 100 and the second pulley 220 is disposed at a predetermined distance from the first pulley 210 to be close to the mounting portion 100. Concave portions are formed in the first and second pulleys 210 and 220 to transfer the twin ring TWR wound around the mounting portion 100.

The third pulley 230 is arranged in a triangular shape together with the first and second pulleys 210 and 220, and the belt 250 rotates by connecting the first to third pulleys 210, 220 and 230. Accordingly, the first and second pulleys 210 and 220 transfer the twin ring (TWR) wound around the mounting portion 100 to the cutting-clit portion 300.

The cutting-clit part 300 bends the edge of the cut twin ring (TWR) after cutting the twin ring (TWR). Then, the first injection nozzle 642 injects the coating liquid onto the edge of the twin ring (TWR), and the second injection nozzle 644 injects heat or wind to dry the coating liquid.

The fourth pulley 240 is disposed to prevent the twin ring TWR from separating from the mounting portion 100. A plurality of threaded concavo-convex portions are formed at a constant pitch, and the twin ring TWR).

7A and 7B, the cutting-and-clinching unit 300 includes an upper mold tool 310, a lower mold tool 320, an X-axis guiding unit 330, a Y-axis guiding unit 340, (350).

The upper mold tool 310 is mounted on the Z axis operating part 400 and the lower mold tool 320 is integrally formed. The X-axis guiding unit 330 guides adjacent pitches of the twin ring TWR to prevent the twin ring TWR from flowing in the X-axis direction or the -X-axis direction.

The Y-axis guiding portion 340 is integrally formed in parallel with the lower mold tool 320 and is disposed on the cutting base portion 342. The Y-axis guiding portion 340 guides the twin rings TWR adjacent to each other, ) Is prevented from flowing in the Y-axis direction or the -Y-axis direction.

The cutting unit 350 cuts the edge of the twin ring TWR guided by the Y-axis guiding unit 330 and the X-axis guiding unit 340, and then bends the edge. A restoring portion 322 is disposed at an upper portion of the lower mold tool 320, that is, in the vicinity of the upper mold tool 310, perpendicularly to the lower mold tool 320.

The restoring portion 322 is formed in a rod shape having a predetermined length and is vertically coupled to the lower mold tool 320. [ A spring is wound around the restoring part 322 and one end of which is in contact with the side surface of the lower mold tool 320 to move the cut part 350 that has been operated.

In the twin ring edge clinching apparatus described above, when the upper and lower mold tools 310 and 320 are mounted on the Z-axis actuating part 400, the X-axis guiding part 330 rotates the twin ring TWR, The flow in the X-axis direction or the -X-axis direction is suppressed and the flow in the Y-axis or -Y-axis direction is suppressed by the Y-axis guiding section 340. Then, the twin ring TWR is cut And to bend the edge.

Therefore, a restoration part 322 perpendicular to the lower mold tool 320 must be disposed in the upper part of the lower mold tool 320, that is, in the vicinity of the upper mold tool 310, and the primary twin ring TWR The X axis guiding unit 330 including the upper and lower tool tools 310 and 320, the Y axis guiding unit 340, and the cutting unit 350 in order to process the cut part in the cut state,

In addition, since the coating unit 600 for preventing the cutting portion of the twin ring (TWR) from rusting is installed to coat the edge portion, the equipment itself becomes complicated, resulting in an increase in equipment cost, But with the increase in cost, it was a factor that decreased the productivity.

8 to 15B are views for explaining a cutting and edge forming apparatus of a twin ring for bookbinding according to the present invention. The twin ring TWR is wound around a bobbin (not shown) Is cut in a state of being fed by a predetermined length in accordance with the purpose of use, and then the cut both ends can be bent at a time to be formed.

8 and 11, a feeding roller 22, which rotates through the connecting shaft 21, is mounted in front of the apparatus by an input value set in the stepping motor 20, The moving length of the twin ring TWR can be arbitrarily controlled in accordance with the number of rotations of the feeding roller 22 as the twin ring TWR meshes on the upper side of the gear formed on the outer peripheral surface of the roller 22. [

That is, the twin ring (TWR) is cut to an appropriate length by the apparatus to be used for binding a calendar, a desktop calender, a notebook, and various printed materials.

Further, the apparatus is provided with a guide block 30 and a drive unit 40 for cutting the twin ring (TWR) to a predetermined length and then bending the cut edge portions.

The guide block 30 is integrally formed with a curved surface portion 32a for guiding the twin ring TWR to be conveyed in the horizontal direction under the rectangular body 31 having a predetermined thickness, The bracket 32b is screwed.

A slot 33 is formed in the bottom surface of the curved surface portion 32a so that the twin ring TWR can be continuously conveyed as the gear 22 of the feeding roller 21 is disposed, A groove 34 is formed at the center of the lower end of the lower ring TWR to cut the twin ring TWR and to bend the edge portion continuously.

The driving unit 40 includes a rotation bar 42 having an eccentric cam 43a mounted on the shaft of the motor 41 so as to intermittently operate the roller 43b, 44, and at the same time, the horizontal bar 47 can be moved forward and backward by the link 46 connected to the rotary ring 42.

A position regulating bar 49 having branch pieces 48a and 48b divided on both sides is mounted on the tip of the rotation bar 45 so as to operate up and down with the bracket 32b of the guide block 30 interposed therebetween And a cutting block 50A and a pressing piece 50B are provided at the tip of the horizontal bar 47. [

In the case of the cutting block 50A, protrusions 51a and 51b arranged in parallel from the tip of the horizontal bar 47 and a central projection 53 having slopes 52a and 52b between the protrusions 51a and 51b, And the pressing piece 50B is configured to move back and forth between the threaded bars 54 fastened to the upper surface of the horizontal bar 47 with a spring 55 As shown in Fig.

With this configuration, when the rotary ring 42 is operated by the motor 41, the eccentric cam 43a is rotated and the roller 43b mounted on one end of the rotary bar 45 is operated in the upward and downward directions The horizontal bar 47 connected to the rotary ring 42 via the link 46 moves forward and backward on the frame, .

The branching pieces 48a and 48b of the position regulation bar 49 mounted on the front end of the rotation bar 45 are wound around the bracket 32b mounted on the rear side of the guide block 30 The upper end of the twin ring TWR is pressed down while the lower end of the twin ring TWR is lowered. When the cutting block 50A mounted on the tip of the horizontal bar 47 enters the groove 34 of the guide block 30, (TWR) is cut.

That is, the central projection 53 constituting the cutting block 50A is sandwiched between the twin rings TWR, and the twin ring TWR is cut by the two projecting portions 51a and 51b. In this state, The bending molding can be performed as the pressing piece 50B pushes the cutting edge of the twin ring TWR toward the curved surface portion 32a side of the guide block 30 with the spring 55 elastically.

As described above, according to the twin ring cutting and edge forming apparatus according to the present invention, since the edge portion can be bent upward in the process of cutting a required length while continuously transferring the twin ring, It is possible to easily remove the sharp portion generated at the time.

In addition, since it does not require a separate coating process for the edge portion as well as the stepwise operation by the X and Y axis guiding portion including the mold tool and the cutting portion as in the conventional technique, the overall equipment itself is simplified, It is possible to reduce the cost.

Although the present invention has been fully described in connection with the preferred embodiments thereof with reference to the accompanying drawings, it is to be understood that the present invention is not limited thereto. It is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

20: stepping motor 21: connecting shaft
22: feeding roller 30: guide block
31: body 32a: curved portion
32b: Bracket 33: Slot
34: groove 40: drive unit
41: motor 42: rotating ring
43a: eccentric cam 43b: roller
44: Hinge 45: Pivot bar
46: Link 47: Horizontal bar
48a, 48b: branch 49: position regulation bar
50A: Cutting block 50B:
51a, 51b: projections 52a, 52b:
53: central projection 54:
55: spring

Claims (4)

A feeding roller 22 for continuously feeding the twin ring TWR and a stepping motor 20 for controlling the rotation speed of the feeding roller to set the moving length of the twin ring, And a guide block (30) and a drive unit (40) for bending and shaping the cut end portions continuously,
The gear portion of the feeding roller 22 operated by the stepping motor 20 meshes with the lower end portion of the twin ring and rotates horizontally through the guide block 30 as it rotates,
The drive unit 40 is provided with a rotation ring 42 having an eccentric cam 43a mounted on the shaft of the motor 41 so as to perform a seesaw motion of the rotation bar 45 around the hinge, 46 to move the horizontal bar 47 forward and backward,
A twin ring is held by a position regulating bar 49 which operates up and down on the tip of the rotating bar 45 and then the twin ring is cut off by a cutting block 50A mounted on the tip of the horizontal bar 47 And at the same time, the cut edge portion of the twin ring can be bent by the crimping piece (50B). The guide block (30) according to claim 1, wherein the guide block (30) has a curved surface portion (32a) in which a twin ring (TWR) And a slot 33 is formed on the bottom surface of the curved surface portion 32a so that the teeth of the feeding roller 22 are disposed and a groove 34 is formed in the center of the lower end of the guide block 30 And the cutting edge portion of the twin ring. The cutting block according to claim 1, wherein the cutting block includes a projection arranged in parallel to move into and into a groove of the guide block and a center portion having slopes between the projection and the projection, And the projections (53). 2. The binding twin according to claim 1, wherein the crimping piece (50B) is elastically provided via a spring (55) between the threaded bars (54) fastened to the upper surface of the horizontal bar (47) Ring cutting and edge forming device.

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