KR100844484B1 - Punching apparatus for binder - Google Patents

Abstract

A punching apparatus for a binder is provided to allow a user to make holes at desired position only by using an injection pressure so that the user conveniently carries with the binder. A punching apparatus(300) for a binder includes a lower member(310), an upper member(320), a connection member(330), and a punching device(340). The lower member is coupled with the binder at a predetermined position of the binder. The upper member is provided on the lower member and spaced apart from the lower member. The connection member connects the lower member to the upper member. The punching device includes a body having a cylindrical shape. The punching device is coupled to the upper member such that the punching device rotates.

Description

Punching apparatus for binder

1 is a cross-sectional view of a punch according to the prior art,

2 is an exploded perspective view of a punching device for a binder according to a first embodiment of the present invention;

3 to 4 is an enlarged cross-sectional view of the A (puncture apparatus) shown in FIG.

5 is a plan view and a cross-sectional view of a fastening member of the binder punching device of the present invention,

6 is a cross-sectional view of the first embodiment coupled by the fastening member of FIG.

7 is an exploded perspective view of a punching device for a binder according to a second embodiment of the present invention;

8 to 9 are enlarged cross-sectional views of B (punching apparatus) shown in FIG.

10 is a cross-sectional view of the second embodiment coupled by the fastening member of FIG.

11 is an exploded perspective view of a punching device for a binder according to a third embodiment of the present invention;

12 to 13 are enlarged cross-sectional views of C (puncture apparatus) shown in FIG.

14 is a cross-sectional view of the third embodiment coupled by the fastening member of FIG.

15 is a perspective view of a punching device for a binder according to a first embodiment, a second embodiment and a third embodiment of the present invention;

16 is a state diagram of use of the punching device for the binder according to the first, second and third embodiments of the present invention;

17 is a perspective view of a punching device for a binder according to a fourth embodiment of the present invention;

18 is a perspective view of a punching device for a binder according to a fifth embodiment of the present invention;

19A is a perspective view of a first cover of a punching device for a binder of the present invention;

19B is a sectional view of the first cover of FIG. 19A,

19C is a cross sectional view of the first cover of FIG. 19A;

FIG. 19D is a perspective view of the first cover of FIG. 19A;

20A is a cross-sectional view of a second cover of the punching device for the binder of the present invention,

20B is a cross sectional view of the second cover of FIG. 20A;

20C is a perspective view of the second cover of FIG. 20A in combination;

Figure 21a is a plan view of a third cover of the punching device for the binder of the present invention,

21B is a cross sectional view of the third lid of FIG. 21A;

FIG. 21C is a perspective view of the third lid of FIG. 21A.

<Explanation of symbols for main parts of the drawings>

100, 200, 300: binder punching device 110, 210, 310, 410, 510: lower member

120, 220, 320, 520: upper member 130, 230, 330, 530: connecting member

140, 240, 340: punching device 150: fastening member

The present invention relates to a binder punching device, and more particularly, to a binder fabric mill for forming holes at a predetermined interval in the object to be inserted into the binder.

Conventionally, punches as shown in FIG. 1 have been disclosed.

1 is a cross-sectional view of a punch according to the prior art.

The punch 10 according to the related art has a supporting portion 1 and a pressing portion 2, and a cylindrical punch punch 3 is connected to one side of the pressing portion 2. Here, the support part 1 and the pressing part 2 is connected by the elastic member 4, so that when the user applies a force to the pressing part 2, the punching punch 3 connected to the pressing part 2 is avoided. Instantly apply pressure to the workpiece 5 using the operating principle of the lever, so that the workpiece 5 is supported by the drilling die 6 so that a predetermined portion is drilled by shearing in the cross-sectional shape of the drilling punch 3. You can do it.

The punch 10 according to the related art is not only easy to carry because of its large volume, but also one hole punches at the correct position of the workpiece 5 so as to match the interval of a plurality of holders provided in the binder. There is a problem that it is difficult to form.

In order to solve this problem, a binder punch (not shown) which combines a plurality of punches 10 at regular intervals has been conventionally disclosed. Such a punch for a binder can form a hole in a to-be-processed object at regular intervals. However, the binder punch according to the prior art has a disadvantage that the bulk is very large because a plurality of punches 10 are combined at regular intervals.

Accordingly, the binder fabric mill according to the prior art has a problem that it is difficult to carry, for example, when the student moves to a home, school, or library because its volume is very large.

The present invention was created to solve the above problems, using a sharp cylindrical blade of a simple structure without applying a punching method of instantaneously shearing a conventional workpiece by using a device consisting of a punch and a die. It is an object of the present invention to provide a portable binder for a portable binder for forming a hole at regular intervals at a precise interval desired by the user by pressing and rotating only by the resin pressure to gradually remove the object to be processed.

Other objects and advantages of the invention will be described below and will be appreciated by the embodiments of the invention. Further objects and advantages of the invention may be realized by the means and combinations indicated in the claims.

The present invention for achieving the above object is a lower member coupled to a predetermined portion of the binder; An upper member spaced apart from the lower member on an upper side of the lower member; A connection member connecting the lower member and the upper member such that the lower member and the upper member are spaced apart from each other; A cylindrical body and a punching device having a flat shape on the upper side of the body, wherein the body penetrates through the upper member and is rotatably coupled to the upper member; In order to prevent the deviation from the provide a fabric mill for binder comprising a fastening member provided to surround the outer peripheral surface of the drilling device.

Here, the fastening member may be a circular washer, a clip washer or a wire rod clip.

In addition, it is preferable that a fastening groove or a fastening protrusion is formed on the outer circumferential surface of the body corresponding to the fastening member.

In addition, a plurality of protrusions may be provided on the upper surface of the resin pressing unit so that the punching device rotates without slip when the user applies pressure and rotational force to the upper surface of the resin pressing unit.

In addition, a plurality of grooves may be formed in the upper surface of the resin pressing portion so that the punching device rotates without slipping when the user applies pressure and rotational force to the upper surface of the resin pressing portion.

In addition, the lower member is preferably formed with a hole on one side thereof so as to be fitted to the binder.

In addition, it is preferable that the inner diameter of the upper portion of the body of the punching device is larger than the inner diameter of the lower portion so that the perforated object flowing from the lower side is easily discharged to the upper side thereof.

In addition, the connection member is preferably provided with an elastic material.

In addition, the lower member, the upper member and the connecting member is preferably provided integrally.

In addition, the binder fabric mill is preferably provided with a cover in contact with the resin pressing portion of the punching device covering the upper portion of the body.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms or words used in the present specification and claims should not be construed as being limited to the ordinary or dictionary meanings, and the inventors should properly introduce the concept of terms in order to explain their invention in the best way. Based on the principle that the definition can be made in a simple manner, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only one of the most preferred embodiments of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

Hereinafter, a binder cloth mill according to a first embodiment of the present invention will be described with reference to FIGS. 2 to 6.

Figure 2 is an exploded perspective view of a binder punching device according to a first embodiment of the present invention, Figures 3 to 4 is an enlarged cross-sectional view of the A (punching device) shown in Figure 2, Figure 5 is a binder punching device of the present invention A plan view and a sectional view of the fastening member of FIG. 6 is a sectional view of the first embodiment coupled by the fastening member of FIG.

The binder punching device 100 according to the first embodiment of the present invention includes a lower member 110, an upper member 120, a connection member 130, and a punching device 140.

The lower member 110 is coupled to one side of the binder 400 according to the first embodiment of the present invention. (See FIG. 16).

The upper member 120 is spaced apart from the lower member 110 on the upper side of the lower member 110, it is connected by a connection member 130. The object, such as paper, fiber, vinyl, leather, is inserted into the gap between the upper member 120 and the lower member 110, and then a predetermined portion of the object is punctured. According to the first embodiment of the present invention is provided with an integral plate (not shown) having an elastic force, the plate is folded twice, the lower plate 110 is located on the lower side, the upper plate 120 is located on the upper side ), The connecting portion is named as the connecting member 130 (see Fig. 2).

The drilling device 140 is provided to penetrate the upper member 120 on one side of the upper member 120. The binder holder 100 according to the first embodiment of the present invention includes the same number of punching devices 140 spaced at intervals of a plurality of holders 411 provided in the binder 400. Here, the number of holders 411 may be two, three, or more in some cases.

The punching device 140 is coupled to the upper member 120 to be rotatable, and when the workpiece comes between the upper member 120 and the lower member 110, the user presses and rotates the punching device 140. Add to allow the workpiece to be drilled.

In more detail, the drilling device 140 includes a body 141 and a resin pressing unit 143.

The body 141 is provided in a cylindrical shape with an open top and bottom, the blade 146 is formed on the lower side. Accordingly, when the user applies a pressing force and a rotational force while the lower side of the body 141 is in contact with an object to be treated such as paper, fiber, vinyl, or leather, a circular hole is formed according to the shape of the body 141 to the object to be processed. This can be formed. Here, the body 141 is provided so that the inner diameter of the upper portion is larger than the inner diameter of the lower portion (see FIGS. 3 and 4). This means that the punching device 140 forms a hole in the workpiece, and then, This is to make it easier to discharge the perforated workpiece flowing into the lower side to the upper side of the body (141).

As shown in FIG. 6, after the body 141 is inserted into the upper member 120, the fastening member 150 illustrated in FIG. 5 is press-fitted, and a puncturing device is controlled by the clearance control force of the fastening member 150. 140 is prevented from being separated from the upper member 120. That is, the punching device 140 coupled with the upper member 120 by the fastening member 150 through the upper member 120 may not be separated to the upper side of the upper member 120 by the fastening member 150. It will not be separated to the lower side of the upper member 120 by the resin pressing unit 143 to be described later.

Here, as shown in FIG. 5, the fastening member 150 may have various shapes such as a circular washer 151, a clip washer 152, or a wire clip 153.

The resin pressing part 143 is connected to the upper portion of the body 141 is provided to be flat. The resin pressing unit 143 protects the user's hand when the user applies pressure to the upper side of the body 141, so that the target object can be pressed more easily with less force. A plurality of grooves 144 or a plurality of protrusions 145 are formed on the upper surface of the resin pressing unit 143 according to the first embodiment of the present invention. The groove 144 or the protrusion 145 formed as described above allows the punching device 140 to rotate without slipping when the user attempts to rotate the punching device 140 by pressing the upper portion of the punching device 140.

Hereinafter, a fabric mill for binders according to a second embodiment of the present invention will be described with reference to FIGS. 7 to 10.

7 is an exploded perspective view of a punching device for a binder according to a second embodiment of the present invention, Figures 8 to 9 is an enlarged cross-sectional view of the B (punching device) shown in Figure 7, Figure 10 by the fastening member of Figure 5 A combined cross sectional view of the second embodiment combined.

The binder punching device 200 according to the second embodiment of the present invention includes a lower member 210, an upper member 220, a connection member 230, and a punching device 240.

Here, the upper member 220 of the binder punching device according to the second embodiment of the present invention, the body 241 and the like of the punching device 240 is a binder punching device 100 according to the first embodiment of the present invention. Since the upper member 120 and the same member as the body 141 of the drilling device 140, repeated description thereof will be omitted.

Here, as described above, the drilling device 240 is provided with a body 241 and the resin pressing portion 243, the body 241 is provided so that the inner diameter of the upper portion is larger than the inner diameter of the lower portion (Fig. 7, 8) the punching device 240 forms a hole in the object to be processed, and then the perforated object flowing into the lower portion of the body 241 is easily discharged to the upper side of the body 241.

A fastening groove 242 may be formed on the outer circumferential surface of the body 241. After the drilling device 240 is inserted into the upper member 220, the fastening member 150 of FIG. 5 is the fastening groove 242. And prevents the puncturing device 240 from being separated from the upper member 220. That is, the punching device 240 coupled to the upper member 220 by the fastening member 150 through the upper member 220 is not separated from the upper side of the upper member 220 by the fastening member 150, It will not be separated to the lower side of the upper member 220 by the resin pressing portion 243 to be described later.

Here, as described in the first embodiment, the fastening member 150 may have various shapes such as a circular washer 151, a clip washer 152, or a wire clip 153.

The resin pressing portion 243 is connected to the upper portion of the body 241 is provided to be flat. The resin pressing unit 243 protects the user's hand when the user applies pressure to the upper side of the body 241, and allows the user to press the workpiece more easily with less force. A plurality of grooves 244 or a plurality of protrusions 245 are formed on an upper surface of the resin pressing unit 243 according to the second embodiment of the present invention. The groove 244 or the protrusion 245 formed as described above allows the punching device 240 to rotate without slipping when the user attempts to rotate the punching device 240 by pressing the upper portion of the punching device 240.

Hereinafter, referring to FIGS. 11 to 14, the binder fabric mill according to the third embodiment of the present invention will be described.

11 is an exploded perspective view of a punching device for a binder according to a third embodiment of the present invention, Figures 12 to 13 is an enlarged cross-sectional view of the C (punching device) shown in Figure 11, Figure 12 is a fastening member of Figure 5 Fig. 3 is a cross sectional view of the combined third embodiment.

The binder punching device 300 according to the third embodiment of the present invention includes a lower member 310, an upper member 320, a connection member 330, and a punching device 340.

Here, the upper member 320 and the body 341 of the punching device 340 according to the third embodiment of the present invention is a binder according to the first and second embodiments of the present invention. Since the upper member (120, 220) of the drilling device (100, 200) and the body (141, 241) of the drilling device (140, 240) and the like, the repeated description will be omitted.

Here, as described above, the drilling device 340 is provided with a body 341 and the resin pressing portion 343, the body 241 is provided so that the inner diameter of the upper portion is larger than the inner diameter of the lower portion (Fig. 12, 13) the boring device 340 forms a hole in the object to be processed, and then the perforated object introduced into the lower part of the body 341 is easily discharged to the upper part of the body 341.

A fastening protrusion 342 may be formed on an outer circumferential surface of the body 341. After the drilling device 340 is inserted into the upper member 320, the fastening member 150 of FIG. 5 is connected to the fastening protrusion 342. Coupled to the top, thereby preventing the puncturing device 340 from being separated from the upper member 320. At this time, the material of the fastening member 150 is preferably made of a material that can be stretched so as to be coupled to the upper portion of the fastening protrusion 342 via the fastening protrusion 342.

That is, the punching device 340 coupled with the upper member 320 by the fastening member 150 through the upper member 320 cannot be separated from the upper side of the upper member 320 by the fastening member 150, It will not be separated to the lower side of the upper member 320 by the resin pressing portion 343 to be described later.

Here, as described in the first embodiment, the fastening member 150 may have various shapes such as a circular washer 151, a clip washer 152, or a wire clip 153.

The resin pressing unit 343 is connected to the upper portion of the body 341 and is provided to be flat. The resin pressurizing portion 343 protects the user's hand when the user applies pressure to the upper side of the body 341, and makes it possible to pressurize the object more easily with less force. A plurality of grooves 344 or a plurality of protrusions 345 are formed on an upper surface of the resin pressing unit 343 according to the third embodiment of the present invention. The groove 344 or the protrusion 345 formed as described above allows the drilling device 340 to rotate without slipping when the user tries to rotate the drilling device 340 by pressing the upper portion of the drilling device 340.

Hereinafter, referring to FIG. 17, the binder fabric mill according to the fourth embodiment of the present invention will be described.

17 is a perspective view of a punching device for a binder according to a fourth embodiment of the present invention.

The binder fabric mill according to the fourth embodiment of the present invention includes a lower member 510, an upper member 520, a connection member 530, a punching device 140, 240, 340, and a fastening member 150. .

The lower member 510 has a plurality of holes 511 formed at one side thereof so that the binder punching device according to the fourth embodiment of the present invention can be fitted into the binder.

The resin pressing parts 143, 243, and 343 of the punching devices 140, 240, and 340 are provided to be flat on the upper sides of the punching devices 140, 240, and 340. The resin pressing unit 143, 243, 343 protects the user's hand when the user applies pressure to the upper side of the punching device (130, 230, 330), it is easier to press the target object with less force To be able. A plurality of grooves 144, 244, 344 or a plurality of protrusions 145, 245, 345 are formed at one side of the resin pressing units 143, 243, 253 according to another embodiment of the present invention. The grooves 144, 244, 344 or the protrusions 145, 245, 345 formed as described above are rotated by the user pressing the punching devices 140, 240, 340 on the upper parts of the punching devices 140, 240, 340. The drilling devices 140, 240, and 340 are rotated without slipping.

The connection member 530 allows the upper member 520 and the lower member 510 to be spaced apart from each other. The connecting member 530 according to the fourth embodiment of the present invention is provided as an elastic member so that the upper member 520 and the lower member 510 are spaced apart by the elastic force. According to the binder punching device according to the fourth embodiment of the present invention, the workpiece is placed between the upper member 520 and the lower member 510, and then the user drills the punching device (140, 240, 340) To provide pressure. Here, when the user provides a pressing force greater than the elastic force of the connecting member 530, the upper member 520 is moved to the lower member 510 side, accordingly, located between the upper member 520 and the lower member 510 The workpiece can be perforated.

Here, the upper member 520 of the binder punching device according to the fourth embodiment of the present invention, the body 141, 241, 341 and the fastening member 150 of the punching device (140, 240, 340) is Upper members 120, 220, 320 of the binder punching device 100, 200, 300 according to the first, second and third embodiments of the invention, and the punching device 140, 240, 340 Since the body (141, 241, 341) and the fastening member 150 and the same member, repeated description will be omitted.

Hereinafter, referring to FIG. 18, a fabric mill for binders according to a fifth embodiment of the present invention will be described.

18 is a perspective view of a punching device for a binder according to a fifth embodiment of the present invention.

The binder fabric mill according to the fifth embodiment of the present invention includes a lower member 510, an upper member 520, a punching device 140, 240, 340, and a fastening member 150.

Unlike the fourth embodiment having the lower member 510, the upper member 520, and the connecting member 530, respectively, in the fifth embodiment, the upper member, the lower member, and the connecting member are integrally provided. However, for convenience of description, the description will be made by dividing the lower member 610 and the upper member 620.

The lower member 610 is provided in the form of a binder that can hold the object to be processed, such as paper, fibers, vinyl, leather, the hole is formed by the punching device (140, 240, 340) on one side. The lower member 610 is provided with a holder 611 on one side thereof, by inserting the holder 611 in the hole formed in the object to be processed by the punching device (140, 240, 340), a plurality of objects to be processed Can be fixed.

Here, the upper member 620, the punching device (140, 240, 340) and the fastening member 150 of the binder punching device according to the fifth embodiment of the present invention, respectively, the first embodiment and the second embodiment of the present invention Examples and the same member as the upper member 120, 220 of the punching device (100, 200, 300) of the binder punching device (100, 200, 300) according to the third embodiment and the fastening member 150, repeated description is omitted Do it.

In addition, as shown in Figure 19a to Figure 21c binder mill fabrication device according to an embodiment of the present invention may be provided with a cover in contact with the resin pressing portion of the punching device covering the upper portion of the body.

19A is a perspective view of a first cover of the binder punching device of the present invention, FIG. 19B is a sectional view of the first cover of FIG. 19A, FIG. 19C is a sectional view of the first cover of FIG. 19A, and FIG. 19D is a first view of FIG. 19A. The combined perspective view of the cover.

19A to 19D, the first cover 710 of the present invention is integrally provided with an insertion part 711, a ring part 712, a bend part 713, and a separation part 714.

The ring part 712 of the first cover 710 is sandwiched between the resin pressing parts 143, 243, and 343 of the punching device 140, 240, and 340 and the upper members 120, 220, 320, and 520. The insertion part 711 is inserted into the body 141, 241, 341 of the punching device 140, 240, 340 by being bent by the bending part 713.

At this time, as shown in the insertion portion 711 bent portion 713 and the separating portion 714 is a plurality of grooves (144, 244, 344) formed on the upper surface of the resin pressing portion (143, 243, 343) described above. The shape of the plurality of grooves or the plurality of projections so as to fit between the plurality of projections 145, 245, and 345, so as not to protrude from the surface of the resin pressing portion, and the user may drill the punching device 140, 240, 340. ) Is produced so that it does not interfere when the resin pressing part of the press is rotated with a finger.

The inserting portion 711 is inclined to the outer circumferential surface is in close contact with the body by the frictional force, the debris of the perforated material punched by the punching device (140, 240, 340) to the outside of the body (141, 241, 341) It is to prevent leakage.

In addition, the separator 714 serves to facilitate opening and closing of the insertion part 711 in order to remove the debris of the punched object.

20A is a cross sectional view of the second cover of the binder punching device of the present invention, FIG. 20B is a cross sectional view of the second cover of FIG. 20A, and FIG. 20C is a perspective view of the second cover of FIG. 20A.

As shown in FIGS. 20A to 20C, the second cover 720 of the present invention is provided with an inserting portion 721 and a separating portion 724 integrally.

The second cover 720 is also inserted into the insertion portion 721 of the body 141, 241, 341 of the drilling device (140, 240, 340).

At this time, as shown, the separating part 724 is fitted into a plurality of grooves 144, 244, 344 formed on the upper surface of the resin pressing parts 143, 243, and 343, or the plurality of protrusions 145. , The shape of a plurality of grooves or a plurality of projections to be sandwiched between the 245, 345 does not protrude more than the surface of the resin pressing portion, the user to rotate the punching device (140, 240, 340) by pressing the resin pressing portion with a finger. It is designed not to interfere with

The inserting portion 721 is inclined to the outer circumferential surface is in close contact with the body by the friction force, the debris of the perforated material punched by the punching device (140, 240, 340) to the outside of the body (141, 241, 341) It is to prevent leakage.

Then, the separator 724 serves to facilitate the opening and closing of the insertion part 721 to remove the debris of the perforated object.

Fig. 21A is a plan view of the third cover of the binder punching device of the present invention, Fig. 21B is a sectional view of the third cover of Fig. 21A, and Fig. 21C is a perspective view of the third cover of Fig. 21A.

As shown in FIGS. 21A to 21C, the third cover 730 of the present invention is integrally provided with a central portion 731, a support portion 732, a locking plate 733, and a separation portion 734.

At this time, the upper surface of the central portion 731 is in contact with the upper surface of the resin pressing portion (143, 243, 343), the locking plate 733 is the resin pressing portion (143, 243, 343) and the upper member (120, 220, It is forcedly pressurized by elasticity between the 320 and 520, and tightly coupled to the drilling apparatus 140, 240, and 340 by the elasticity of the support part 732 connecting the central portion 731 and the locking plate 733.

As shown, the support portion 732 is fitted into the plurality of grooves 144, 244, 344 formed on the upper surface of the resin pressing portion 143, 243, 343 or a plurality of protrusions 145, 245 described above. , 345 to form a plurality of grooves or a plurality of projections to be sandwiched between the resin pressing portion does not protrude more than the surface, and when the user rotates the punching device (140, 240, 340) by pressing the resin pressing portion with a finger It is designed to not give.

In addition, the central portion 731 of the third cover 730 serves to prevent the debris of the object to be punched by the drilling device (140, 240, 340) to the outside of the body (141, 241, 341). Will be

Then, the separation unit 734 serves to facilitate the attachment and detachment of the locking plate 733 to remove the debris of the perforated object.

Here, the plurality of grooves 144, 244, 344 and the plurality of protrusions 145, 245, and 345 to which the first cover 710, the second cover 720, and the third cover 730 are fitted are disposed. Naturally, they can be combined together.

As mentioned above, although this invention was demonstrated by the limited embodiment and drawing, this invention is not limited by this, The person of ordinary skill in the art to which this invention belongs, Of course, various modifications and variations are possible within the scope of equivalents of the claims to be described.

As described above, according to the binder punching device of the present invention,

First, it is small in size and easy to carry, especially when a student moves to a place such as home, school or library, so that the user does not feel inconvenience due to its weight.

Second, by simply being coupled to a predetermined portion of the binder, when the workpiece, such as paper, fibers, vinyl, leather, etc. to be inserted into the binder, the user can conveniently use.

Third, the resin pressing unit may not only protect the user's hand but also may apply a small force to more easily perforate the object.

Fourth, it is possible to facilitate the removal of the perforated object by having an openable cover that contacts the resin pressing portion of the punching device and covers the upper portion of the body.

Claims (10)

A lower member coupled to a predetermined portion of the binder; An upper member spaced apart from the lower member on an upper side of the lower member; A connection member connecting the lower member and the upper member such that the lower member and the upper member are spaced apart from each other; A perforating device having a cylindrical body and a resin pressurizing unit having a flat shape on an upper side of the body, the body penetrating the upper member to be rotatable with the upper member; And And a fastening member provided to surround an outer circumferential surface of the punching device to prevent the punching device from being separated from the upper member. A plurality of protrusions or grooves are formed on the upper surface of the resin pressing portion so that the punching device rotates without slipping when the user applies pressure and rotational force to the upper surface of the resin pressing portion. And a cover covering the upper portion of the body and in contact with the resin pressing portion of the punching device so as to be sandwiched between the plurality of protrusions or the plurality of grooves formed on the upper surface of the resin pressing portion. The method of claim 1, The fastening member is a punch washer for the binder is a circular washer, clip washer or wire rod clip. The method of claim 1, The punching device for the binder, characterized in that the fastening groove or the fastening projection formed on the outer peripheral surface of the body corresponding to the fastening member. delete delete The method of claim 1, The lower member is a punching device for a binder, characterized in that the hole is formed on one side so as to be fitted to the binder. The method of claim 1, The body of the punching device is a punching device for a binder, characterized in that the inner diameter of the upper portion is larger than the inner diameter of the lower portion, so that the punched processed material flowing from the lower side is easily discharged to the upper side. The method of claim 1, The connecting member is a punching device for the binder, characterized in that provided with an elastic material. The method of claim 1, The lower member, the upper member and the connecting member is a punching device for a binder, characterized in that provided integrally. delete

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