CN216099305U

CN216099305U - Flanging jig of rotary die cutting machine

Info

Publication number: CN216099305U
Application number: CN202122614061.5U
Authority: CN
Inventors: 张建瑞
Original assignee: Jiangsu Furi Precision Machinery Co ltd
Current assignee: Jiangsu Furi Precision Machinery Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-03-22
Anticipated expiration: 2031-10-28

Abstract

The edge folding jig of the wheel-rotating die-cutting machine comprises a left supporting rod, a right supporting rod, a strip-shaped support and an edge folding wheel group; the left support rod and the right support rod are arranged in parallel, and are respectively perpendicularly connected at the same sides of the left end and the right end of the strip-shaped support, the edge folding wheel groups are sequentially arranged in the middle of the front surface of the strip-shaped support, the edge folding wheel groups comprise 6 groups of edge folding wheels with different angles, edge folding fixtures are arranged at the edges of a coiled material of the die cutting processing equipment, the edges of the coiled material sequentially penetrate through the 6 groups of edge folding wheels with different angles in the advancing process, and the edges of the coiled material are gradually bent to finally carry out 180-degree edge folding processing on one side of the material. Not only the effect of hem has been reached, the hem adopts running roller pivoted mode moreover, and the fish tail can be avoided to the material hem. Can realize the continuous automatic hem processing to the raw materials coiled material in the rotation cross cutting machine production process, and the hem is efficient, can avoid the material fish tail, and hem size precision is high.

Description

Flanging jig of rotary die cutting machine

Technical Field

The utility model relates to the field of rotary die cutting machines, in particular to a flanging jig of a rotary die cutting machine.

Background

The die cutting machine is also called a cutting machine and a numerical control punching machine, is mainly used for die cutting (full breaking and half breaking), indentation and gold stamping operation, fitting and automatic waste discharge of corresponding nonmetal materials, non-setting adhesive, EVA, double faced adhesive tape, electronics, mobile phone rubber mats and the like, and applies certain pressure through a stamping plate by utilizing a steel knife, a hardware die and a steel wire (or a template carved by a steel plate) to roll and cut a printed product or a paperboard into a certain shape. The prior common die cutting machine comprises a flat-press flat-die printing die cutting machine and a rotary die cutting machine, wherein the rotary die cutting machine has good continuous productivity, high safety and reliability and large market share, and is particularly the most advanced equipment in the prior label manufacturing rotary die cutting machine in the printing industry. Taking processing of self-adhesive label products as an example, the basic working principle of the rotary die-cutting machine is that when a self-adhesive label raw material coiled material is unfolded to pass through a cylindrical cutting die roll shaft, a thin steel sheet-shaped cutting die covered on the roll shaft is driven by a gear to roll on the surface of a material, cuts through a surface material of the self-adhesive material but does not cut a piece of base paper, and finally, waste materials are removed through a waste discharging roll shaft, so that the label is produced. The label production mode has extremely high mass production speed. Thus, rotary die cutters are the preferred apparatus for precision label production. However, in the processing process, the raw material coiled material needs to be subjected to edge folding processing sometimes so as to facilitate the next step of edge cutting and facilitate the user to tear off the adhesive sticker label and attach the adhesive sticker label to a product when in use.

Therefore, how to solve the problem of the flanging of the raw material coil in the production process of the rotary die-cutting machine is a technical problem to be solved by related personnel in the industry.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the edge folding jig of the rotary die-cutting machine can be used for continuously and automatically folding edges of raw material coiled materials in the production process of the rotary die-cutting machine, is high in edge folding efficiency, can avoid material scratches, and is high in edge folding size precision.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

a flanging jig of a rotary die cutting machine comprises a left supporting rod, a right supporting rod, a strip-shaped support and a flanging wheel set; the left supporting rod and the right supporting rod are arranged in parallel and are respectively vertically connected to the same sides of the left end and the right end of the strip-shaped support, the flanging wheel set comprises a first flanging wheel set, a second flanging wheel set, a third flanging wheel set, a fourth flanging wheel set, a fifth flanging wheel set and a sixth flanging wheel set which are sequentially arranged, the first flanging wheel set comprises a first connecting piece and a first flanging wheel, the second flanging wheel set comprises a second connecting piece and a second flanging wheel, the third flanging wheel set comprises a third connecting piece and a third flanging wheel, the fourth flanging wheel set comprises a fourth connecting piece and a fourth flanging wheel, the fifth flanging wheel set comprises a fifth connecting piece and a fifth flanging wheel, and the sixth flanging wheel set comprises a sixth connecting piece and a sixth flanging wheel; the upper end of the first connecting piece is fixed on the side surface of the strip-shaped support, the first connecting piece is arranged close to the right supporting rod, and the lower end of the first connecting piece is rotatably connected with a first folding wheel; the upper end of the second connecting piece is also fixed on the side surface of the strip-shaped support, the second connecting piece is arranged close to the first connecting piece, and the lower end of the second connecting piece is rotatably connected with a second flanging wheel; the upper end of the third connecting piece is also fixed on the side surface of the strip-shaped support, the third connecting piece is arranged close to the second connecting piece, and the lower end of the third connecting piece is rotatably connected with a third edge wheel; the upper end of the fourth connecting piece is also fixed on the side surface of the strip-shaped support, the fourth connecting piece is arranged close to the third connecting piece, and the lower end of the fourth connecting piece is rotatably connected with a fourth flanging wheel; the upper end of the fifth connecting piece is also fixed on the side surface of the strip-shaped support, the fifth connecting piece is arranged close to the fourth connecting piece, and the lower end of the fifth connecting piece is rotatably connected with a fifth flanging wheel; the upper end of the sixth connecting piece is also fixed on the side surface of the strip-shaped support and is arranged between the fifth connecting piece and the left supporting rod, and the lower end of the sixth connecting piece is rotatably connected with a sixth flanging wheel; the rotating shaft of the first flanging wheel is arranged inwards and downwards in a downward inclining way, an included angle is formed between the rotating shaft of the first flanging wheel and the right supporting rod, the rotating shaft of the second flanging wheel is also arranged inwards and downwards in a downward inclining way, an included angle is formed between the third folding wheel and the rotating shaft of the first folding wheel, the rotating shaft of the third folding wheel is arranged downwards, an included angle is formed between the first folding wheel and the rotating shaft of the second folding wheel, the rotating shaft of the fourth folding wheel is arranged in an outward and upward inclined way, an included angle is formed between the rotating shaft of the third folding wheel and the rotating shaft of the fifth folding wheel, the rotating shaft of the fifth folding wheel faces outwards and is arranged obliquely upwards, an included angle is formed between the rotating shaft of the sixth folding wheel and the rotating shaft of the fourth folding wheel, the rotating shaft of the sixth folding wheel faces outwards and is arranged in an upward inclined way, and an included angle is formed between the rotating shaft of the fifth folding wheel and the rotating shaft of the sixth folding wheel, and the rotating shaft of the sixth folding wheel is parallel to the left supporting rod.

Preferably, the pivot of first hem wheel with the contained angle degree that forms between the right branch vaulting pole is 30, the pivot of second hem wheel with the contained angle degree that forms between the pivot of first hem wheel also is 30, the pivot of third hem wheel with the contained angle that forms between the pivot of second hem wheel also is 30, the pivot of fourth hem wheel with the contained angle that forms between the pivot of third hem wheel also is 30, the pivot of fifth hem wheel with the contained angle that forms between the pivot of fourth hem wheel also is 30, the pivot of sixth hem wheel with the contained angle that forms between the pivot of fifth hem wheel also is 30.

Preferably, the lower ends of the first connecting piece, the second connecting piece, the third connecting piece, the fourth connecting piece, the fifth connecting piece and the sixth connecting piece are all provided with a convex end outwards, the convex end of the first connecting piece is longer than the convex end of the second connecting piece outwards, the convex end of the second connecting piece is longer than the convex end of the third connecting piece outwards, the convex end of the third connecting piece is longer than the convex end of the fourth connecting piece outwards, the convex end of the fourth connecting piece is longer than the convex end of the fifth connecting piece outwards, and the convex end of the fifth connecting piece is longer than the convex end of the sixth connecting piece outwards.

Preferably, the pivot medial extremity of first hem wheel is fixed on the protruding end of first connecting piece, the pivot medial extremity of second hem wheel is fixed on the protruding end of second connecting piece, the pivot medial extremity of third hem wheel is fixed on the protruding end of third connecting piece, the pivot medial extremity of fourth hem wheel is fixed on the protruding end of fourth connecting piece, the pivot medial extremity of fifth hem wheel is fixed on the protruding end of fifth connecting piece, the pivot medial extremity of sixth hem wheel is fixed on the protruding end of sixth connecting piece.

Preferably, the upper ends of the first connecting piece, the second connecting piece, the third connecting piece, the fourth connecting piece and the fifth connecting piece are fixed on the front surface of the strip-shaped support, and the upper end of the sixth connecting piece is fixed on the back surface of the strip-shaped support.

According to the technical scheme, the edge folding jig is arranged at the edge of the coiled material of the die cutting processing equipment and comprises 6 groups of edge folding wheels with different angles, so that the edge of the coiled material sequentially passes through the edge folding wheels with different angles in the advancing process during the processing of the coiled material, the edge of the coiled material is gradually bent, and finally, one side of the material is subjected to edge folding treatment for 180 degrees. Not only the effect of hem has been reached, the hem adopts running roller pivoted mode moreover, and the fish tail can be avoided to the material hem. Can realize the continuous automatic hem processing to the raw materials coiled material in the rotation cross cutting machine production process, and the hem is efficient, can avoid the material fish tail, and hem size precision is high to novel in design, rational in infrastructure, and the purpose that the application effect is good have been reached.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a perspective view of a hemming jig of a rotary die-cutting machine disclosed in an embodiment of the present invention;

fig. 2 is a side view of a hemming jig of a rotary die cutting machine according to an embodiment of the present invention.

The corresponding part names indicated by the numbers and letters in the drawings:

1. left support bar 2, right support bar 3, strip-shaped support 41, first connecting piece 42, first folding wheel 51, second connecting piece 52, second folding wheel 61, third connecting piece 62, third folding wheel 71, fourth connecting piece 72, fourth folding wheel 81, fifth connecting piece 82, fifth folding wheel 91, sixth connecting piece 92, sixth folding wheel

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention will be described in further detail with reference to examples and specific embodiments.

Examples are given.

As shown in fig. 1 and 2, a hemming jig of a rotary die cutting machine comprises a left support rod 1, a right support rod 2, a strip-shaped support 3 and a hemming wheel set; the left supporting rod 1 and the right supporting rod 2 are arranged in parallel and are respectively vertically connected to the same sides of the left end and the right end of the strip-shaped support 3, the flanging wheel set comprises a first flanging wheel set, a second flanging wheel set, a third flanging wheel set, a fourth flanging wheel set, a fifth flanging wheel set and a sixth flanging wheel set which are sequentially arranged, the first flanging wheel set comprises a first connecting piece 41 and a first flanging wheel 42, the second flanging wheel set comprises a second connecting piece 51 and a second flanging wheel 52, the third flanging wheel set comprises a third connecting piece 61 and a third flanging wheel 62, the fourth flanging wheel set comprises a fourth connecting piece 71 and a fourth flanging wheel 72, the fifth flanging wheel set comprises a fifth connecting piece 81 and a fifth flanging wheel 82, and the sixth flanging wheel set comprises a sixth connecting piece 91 and a sixth flanging wheel 92; the upper end of the first connecting piece 41 is fixed on the side surface of the strip-shaped support 3, is arranged close to the right support rod 2, and the lower end of the first connecting piece is rotatably connected with a first folding wheel 42; the upper end of the second connecting piece 51 is also fixed on the side surface of the strip-shaped support 3 and is arranged close to the first connecting piece 41, and the lower end of the second connecting piece is rotatably connected with a second flanging wheel 52; the upper end of the third connecting piece 61 is also fixed on the side surface of the strip-shaped support 3, and is arranged close to the second connecting piece 51, and the lower end of the third connecting piece is rotatably connected with a third edge wheel 62; the upper end of the fourth connecting piece 71 is also fixed on the side surface of the strip-shaped support 3, and is arranged close to the third connecting piece 61, and the lower end of the fourth connecting piece is rotatably connected with a fourth folding wheel 72; the upper end of the fifth connecting piece 81 is also fixed on the side surface of the strip-shaped support 3, and is arranged close to the fourth connecting piece 71, and the lower end of the fifth connecting piece is rotatably connected with a fifth flanging wheel 82; the upper end of the sixth connecting piece 91 is also fixed on the side surface of the strip-shaped support 3 and is arranged between the fifth connecting piece 81 and the left support rod 1, and the lower end of the sixth connecting piece is rotatably connected with a sixth folding wheel 92; the rotating shaft of the first folding wheel 42 is arranged inwards and downwards and inclined downwards, an included angle is formed between the rotating shaft and the right supporting rod 2, the rotating shaft of the second folding wheel 52 is also arranged inwards and downwards again, and forms an included angle with the rotating shaft of the first folding wheel 42, the rotating shaft of the third folding wheel 62 is arranged downwards, an included angle is formed between the rotating shaft of the second folding wheel 52 and the rotating shaft of the fourth folding wheel 72, the rotating shaft of the fourth folding wheel is arranged outwards and upwards in an inclined way, an included angle is formed between the rotating shaft of the third folding wheel 62 and the rotating shaft of the fifth folding wheel 82, the rotating shaft of the fifth folding wheel is outwards inclined, an included angle is formed between the rotating shaft of the fourth folding wheel 72 and the rotating shaft of the sixth folding wheel 92, the rotating shaft of the sixth folding wheel is arranged outwards and upwards in an inclined way, an included angle is formed between the rotating shaft of the fifth folding wheel 82, and the rotating shaft of the sixth folding wheel 92 is parallel to the left support rod 1.

Simultaneously, the pivot of first hem wheel 42 with the contained angle degree that forms between the right branch vaulting pole 2 is 30, like this in the production process of rotary die-cutting machine, the coiled material edge just is bent 30 by the suppression of first hem wheel 42 behind first hem wheel 42. The angle formed between the axis of the second creasing wheel 52 and the axis of the first creasing wheel 42 is also 30 °, so that after the edge of the web passes through the second creasing wheel 52, the web is pressed and bent by the second creasing wheel 52 for 30 °. Similarly, the included angle formed between the rotating shaft of the third edge folding wheel 62 and the rotating shaft of the second edge folding wheel 52 is also 30 degrees, and after the edge of the coiled material passes through the third edge folding wheel 62, the coiled material is pressed and folded by the third edge folding wheel 62 for 30 degrees. An included angle formed between the rotating shaft of the fourth folding wheel 72 and the rotating shaft of the third folding wheel 62 is also 30 degrees, and after the edge of the coiled material passes through the fourth folding wheel 72, the coiled material is pressed and bent by 30 degrees by the fourth folding wheel 72. An included angle formed between the rotating shaft of the fifth folding wheel 82 and the rotating shaft of the fourth folding wheel 72 is also 30 degrees, and after the edge of the coiled material passes through the fifth folding wheel 82, the coiled material is pressed and folded by 30 degrees by the fifth folding wheel 82. The included angle formed between the rotating shaft of the sixth folding wheel 92 and the rotating shaft of the fifth folding wheel 82 is also 30 degrees, after the edge of the coiled material finally passes through the sixth folding wheel 92, the coiled material is pressed and bent by the sixth folding wheel 92 for 30 degrees, and the edge of the coiled material passing through the folding jig is folded by 180 degrees after 6 times of 30 degrees of pressing processing, so that 180-degree folding processing of the edge of the coiled material is completed.

In order to better fix the edge folding wheels on the connecting pieces and to arrange the edge folding wheels slightly in an inclined manner so as to facilitate the edges of the material rolls to sequentially penetrate through the edge folding wheels, the lower ends of the first connecting piece 41, the second connecting piece 51, the third connecting piece 61, the fourth connecting piece 71, the fifth connecting piece 81 and the sixth connecting piece 91 are all provided with protruding ends outwards, the protruding end of the first connecting piece 41 is longer than the protruding end of the second connecting piece 51 outwards, the protruding end of the second connecting piece 51 is longer than the protruding end of the third connecting piece 61 outwards, the protruding end of the third connecting piece 61 is longer than the protruding end of the fourth connecting piece 71 outwards, the protruding end of the fourth connecting piece 71 is longer than the protruding end of the fifth connecting piece 81 outwards, and the protruding end of the fifth connecting piece 81 is longer than the protruding end of the sixth connecting piece 91 outwards. The inner end of the rotating shaft of the first folding wheel 42 is fixed on the protruding end of the first connecting piece 41, and the first folding wheel 42 is located at the position which is closest to the edge of the material roll and faces inwards in actual installation and use, because the first folding wheel 42 presses the edge of the material roll firstly, namely the material roll which is in flat operation is contacted with the first folding wheel, the relative pressing difficulty is large. Similarly, the inner end of the rotation shaft of the second folding wheel 52 is fixed to the protruding end of the second connecting member 51 to match the inclination of the second folding wheel 52, the inner end of the rotation shaft of the third folding wheel 62 is fixed to the protruding end of the third connecting member 61 to match the inclination of the third folding wheel 62, the inner end of the rotation shaft of the fourth folding wheel 72 is fixed to the protruding end of the fourth connecting member 71 to match the inclination of the fourth folding wheel 72, the inner end of the rotation shaft of the fifth folding wheel 82 is fixed to the protruding end of the fifth connecting member 81 to match the inclination of the fifth folding wheel 82, and the inner end of the rotation shaft of the sixth folding wheel 92 is fixed to the protruding end of the sixth connecting member 91 to match the inclination of the sixth folding wheel 92. Thus, the edge of the material roll can be gradually bent and pressed after passing through each folding wheel which can slightly incline.

The upper ends of the first connecting piece 41, the second connecting piece 51, the third connecting piece 61, the fourth connecting piece 71 and the fifth connecting piece 81 are fixed on the front surface of the strip-shaped support 3, and the upper end of the sixth connecting piece 91 is fixed on the back surface of the strip-shaped support 3, so that the front surface and the back surface of the strip-shaped support 3 are stressed simultaneously, the balance of the strip-shaped support can be improved, and the service life of the strip-shaped support is prolonged.

In the embodiment, the working principle of the edge folding jig of the rotary die-cutting machine is that when the opened material roll needs to be folded continuously, the edge folding jig is arranged at the edge of the coiled material of the die-cutting processing equipment, and the edge folding jig comprises 6 groups of edge folding wheels with different angles, so that the edge of the material roll sequentially passes through the edge folding wheels with different angles in the advancing process during processing, the edge of the material roll is gradually pressed and bent by the edge folding wheels with different angles, and finally, the edge of one side of the material is pressed into a folded edge shape of 180 degrees. The whole machining process not only achieves the effect of edge folding, but also the edge folding adopts a roller wheel rotating mode, and the material edge folding can avoid scratches. Can realize the continuous automatic hem processing to the raw materials coiled material in the rotation cross cutting machine production process, and the hem is efficient, can avoid the material fish tail, and hem size precision is high to novel in design, rational in infrastructure, and the purpose that the application effect is good have been reached.

The above description is only a preferred embodiment of the hemming jig of the rotary die cutting machine of the present invention, and it should be noted that, for those skilled in the art, variations and modifications can be made without departing from the inventive concept of the present invention, and these variations and modifications are within the protection scope of the present invention.

Claims

1. A flanging jig of a rotary die cutting machine is characterized by comprising a left support rod, a right support rod, a strip-shaped support and a flanging wheel set; the left supporting rod and the right supporting rod are arranged in parallel and are respectively vertically connected to the same sides of the left end and the right end of the strip-shaped support, the flanging wheel set comprises a first flanging wheel set, a second flanging wheel set, a third flanging wheel set, a fourth flanging wheel set, a fifth flanging wheel set and a sixth flanging wheel set which are sequentially arranged, the first flanging wheel set comprises a first connecting piece and a first flanging wheel, the second flanging wheel set comprises a second connecting piece and a second flanging wheel, the third flanging wheel set comprises a third connecting piece and a third flanging wheel, the fourth flanging wheel set comprises a fourth connecting piece and a fourth flanging wheel, the fifth flanging wheel set comprises a fifth connecting piece and a fifth flanging wheel, and the sixth flanging wheel set comprises a sixth connecting piece and a sixth flanging wheel; the upper end of the first connecting piece is fixed on the side surface of the strip-shaped support, the first connecting piece is arranged close to the right supporting rod, and the lower end of the first connecting piece is rotatably connected with a first folding wheel; the upper end of the second connecting piece is also fixed on the side surface of the strip-shaped support, the second connecting piece is arranged close to the first connecting piece, and the lower end of the second connecting piece is rotatably connected with a second flanging wheel; the upper end of the third connecting piece is also fixed on the side surface of the strip-shaped support, the third connecting piece is arranged close to the second connecting piece, and the lower end of the third connecting piece is rotatably connected with a third edge wheel; the upper end of the fourth connecting piece is also fixed on the side surface of the strip-shaped support, the fourth connecting piece is arranged close to the third connecting piece, and the lower end of the fourth connecting piece is rotatably connected with a fourth flanging wheel; the upper end of the fifth connecting piece is also fixed on the side surface of the strip-shaped support, the fifth connecting piece is arranged close to the fourth connecting piece, and the lower end of the fifth connecting piece is rotatably connected with a fifth flanging wheel; the upper end of the sixth connecting piece is also fixed on the side surface of the strip-shaped support and is arranged between the fifth connecting piece and the left supporting rod, and the lower end of the sixth connecting piece is rotatably connected with a sixth flanging wheel; the rotating shaft of the first flanging wheel is arranged inwards and downwards in a downward inclining way, an included angle is formed between the rotating shaft of the first flanging wheel and the right supporting rod, the rotating shaft of the second flanging wheel is also arranged inwards and downwards in a downward inclining way, an included angle is formed between the third folding wheel and the rotating shaft of the first folding wheel, the rotating shaft of the third folding wheel is arranged downwards, an included angle is formed between the first folding wheel and the rotating shaft of the second folding wheel, the rotating shaft of the fourth folding wheel is arranged in an outward and upward inclined way, an included angle is formed between the rotating shaft of the third folding wheel and the rotating shaft of the fifth folding wheel, the rotating shaft of the fifth folding wheel faces outwards and is arranged obliquely upwards, an included angle is formed between the rotating shaft of the sixth folding wheel and the rotating shaft of the fourth folding wheel, the rotating shaft of the sixth folding wheel faces outwards and is arranged in an upward inclined way, and an included angle is formed between the rotating shaft of the fifth folding wheel and the rotating shaft of the sixth folding wheel, and the rotating shaft of the sixth folding wheel is parallel to the left supporting rod.

2. The edge folding jig of the wheel-rotating die-cutting machine as claimed in claim 1, wherein the degree of the included angle formed between the rotating shaft of the first edge folding wheel and the right supporting rod is 30 °, the degree of the included angle formed between the rotating shaft of the second edge folding wheel and the rotating shaft of the first edge folding wheel is also 30 °, the included angle formed between the rotating shaft of the third edge folding wheel and the rotating shaft of the second edge folding wheel is also 30 °, the included angle formed between the rotating shaft of the fourth edge folding wheel and the rotating shaft of the third edge folding wheel is also 30 °, the included angle formed between the rotating shaft of the fifth edge folding wheel and the rotating shaft of the fourth edge folding wheel is also 30 °, and the included angle formed between the rotating shaft of the sixth edge folding wheel and the rotating shaft of the fifth edge folding wheel is also 30 °.

3. The rotary die cutting machine flanging jig of claim 2, wherein the lower ends of the first connecting member, the second connecting member, the third connecting member, the fourth connecting member, the fifth connecting member and the sixth connecting member are provided with a convex end outwards, the convex end of the first connecting member is longer than the convex end of the second connecting member outwards, the convex end of the second connecting member is longer than the convex end of the third connecting member outwards, the convex end of the third connecting member is longer than the convex end of the fourth connecting member outwards, the convex end of the fourth connecting member is longer than the convex end of the fifth connecting member outwards, and the convex end of the fifth connecting member is longer than the convex end of the sixth connecting member outwards.

4. The hemming jig of a rotary die cutting machine according to claim 3, wherein an inner side end of a rotating shaft of the first hemming wheel is fixed to a protruding end of the first connecting member, an inner side end of a rotating shaft of the second hemming wheel is fixed to a protruding end of the second connecting member, an inner side end of a rotating shaft of the third hemming wheel is fixed to a protruding end of the third connecting member, an inner side end of a rotating shaft of the fourth hemming wheel is fixed to a protruding end of the fourth connecting member, an inner side end of a rotating shaft of the fifth hemming wheel is fixed to a protruding end of the fifth connecting member, and an inner side end of a rotating shaft of the sixth hemming wheel is fixed to a protruding end of the sixth connecting member.

5. The hemming jig of a rotary die cutting machine according to any one of claims 1 to 4, wherein upper ends of the first, second, third, fourth and fifth connecting members are fixed to a front surface of the bar support, and an upper end of the sixth connecting member is fixed to a back surface of the bar support.