JPH0790677B2 - Device for tearing long sheets in communication device manufacturing equipment for postcards, envelopes, etc. - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a device for tearing a long sheet in a device for manufacturing a communication body such as a postcard or a letter of seal, and more specifically, to provide information such as a communication message or a print display medium. In order to conceal and mail the information, etc., a display device for manufacturing a communication device such as a postcard, a sealed letter, etc., in which a display surface for information and the like is peelably bonded through a synthetic resin film by heating etc. The present invention relates to a tearing device for tearing a long sheet formed by connecting a large number of sheets for forming communication bodies to each other for each sheet for forming communication bodies.

(Prior Art) Conventionally, as a cutting device in this type of communication device manufacturing apparatus, there is an invention disclosed in Japanese Patent Laid-Open No. 2-106556, for example, as a prior art similar to the present invention. That is, according to the invention disclosed in this publication, after printing information on predetermined portions of the upper sheet and the lower sheet, the two sheets can be releasably adhered to each other in the process of overlapping the upper sheet and the lower sheet. An intermediate sheet having an adhesive structure on both sides is arranged between the two sheet pieces, and the both sheets are releasably bonded and integrated via the adhesive structure of the intermediate sheet.

The upper sheet and the lower sheet are long ones, and the intermediate sheet is adhered so as to be interposed between the upper and lower sheets, and then cut into predetermined dimensions to manufacture a communication body such as a postcard or a sealed letter. To do.

(Problems to be Solved by the Invention) However, in the above-described conventional invention, the work of dividing the long sheet having the film interposed therein into predetermined lengths is performed by the pulling force due to the difference in the transfer speed of the two rolls. Therefore, the upper and lower sheets can be divided, but the intermediate sheet made of a synthetic resin film cannot be smoothly divided even with perforations. Therefore, since the intermediate sheet made of a film cannot be cut smoothly, a malfunction may occur, and even if the malfunction does not occur, the edge of the divided intermediate sheet is distorted and unnecessary films are cut off from the upper and lower sheets. There was a problem in that it might protrude.

Incidentally, as a device for cutting only the long film, in general,
There are a method of cutting with a cutter having a curved center while pulling with a roll, or a method of arranging cutting rollers in the shape of an abacus ball in the center and arranging the rollers on both sides to be offset from a horizontal plane.

However, since the former device forcibly cuts the center of the film, there is a problem that noise is generated, the film surface may be damaged, and paper dust is also generated.

Further, in the latter device, there is a problem that curling occurs because the horizontal plane cannot be held when the film is transferred.

Therefore, it is recognized that it is difficult to apply these devices to the cutting device for manufacturing the above-mentioned postcards, envelopes and the like.

The present invention has been made to solve all of the problems described above, and makes it possible to easily and smoothly divide a film-containing sheet and prevent the occurrence of noise and curl as described above. Is an issue.

(Means for Solving the Problem) The present invention has been made as a solution to such a problem, and a means for solving the problem is to form a communication body for forming a communication body such as a postcard or a sealed letter. A sheet 15 is formed so that it can be folded into at least two, and a sheet for forming a communication body thereof.
A synthetic resin film 29 is interposed between the 15 folded sheet pieces 15a and 15b, and both sheet pieces are sandwiched by the film 29.
In order to manufacture a communication body such as a postcard or a sealed letter in which 15a and 15b are peelably adhered to each other, a plurality of communication body forming sheets 15 are continuously arranged through perforations 27. A tearing device for a long sheet in a device for producing a communication body such as a postcard or a letter for tearing the long sheet 16 with the long film interposed, wherein the long film is interposed. At least two pairs of rollers having different transfer speeds for transporting the film-containing long sheet 16d sandwiched from above and below are arranged apart from each other, and the film-containing long sheet is provided between the two pairs of rollers. A pair of shock blocks 7c, 7c for tapping both ends of the perforation 27 of the sheet 16d in the vertical direction, and the long sheet containing film when the long sheet 16d with film is beaten by the shock blocks 7c, 7c 16d with the shock block 7c, 7c A retainer 8 for holding on the opposite surface is provided, and the shock blocks 7c, 7c are configured such that the number of times of contact with the long sheet 16d containing the film is varied and the tapping force is adjusted. Is to be.

(Operation) Since the tearing device of the present invention is configured as described above, the long sheet 16d containing the film in which the film is interposed is transferred by at least two pairs of rollers having different transfer speeds. It is pulled by the difference in speed and further pulled by the two pairs of rollers, while being held by the retainer 8 provided between the two pairs of rollers, the film is inserted by the pair of shock blocks 7c, 7c. Long sheet 16d
Since both ends of the perforation 27 are tapped in the vertical direction, the tapping by the shock block 7c in the vertical direction efficiently acts on both ends of the long sheet 16d containing a film,
The film-containing long sheet 16d is torn from both end sides of the perforated perforation 27 toward the center. Therefore, the long sheet 16d containing a film can be easily and surely torn for each of the communication body forming sheets 15.

(Example) Hereinafter, the Example of this invention is described according to drawing.

In FIG. 1, 1a and 1b are first rollers, 2a and 2b are second rollers, 3a and 3b are third rollers, and these three rollers are
The upper and lower rollers 1a, 2a, 3a are provided one by one in pairs.
Is supported by a pair of left and right support plates 4, 4, and the lower three rollers 1b, 2b, 3b are supported by a pair of left and right support plates 5, 5.
Then, the support plate 4 supporting the upper rollers 1a, 2a, 3a is
The upper rollers 1a, 2a, 3a which rotate in relation to the support plate 5 supporting the lower rollers 1b, 2b, 3b and contact the lower rollers 1b, 2b, 3b in the normal state are the lower rollers 1b. , 2b, 3b axis
It is configured to open and close around 31. The upper and lower third
A plurality of slits 6, ... Are formed in the rollers 3a, 3b.

Reference numeral 7 is a vibrating rod provided with a pair of shock blocks 7c, 7c for striking the long sheet 16d containing film on both sides, and is configured so that the other end 7b side can be reciprocated about the one end 7a side. ing.

Reference numeral 8 denotes a retainer for holding the long sheet 16 horizontally on the upper surface side when hitting with the shock blocks 7c, 7c, which is provided at the center of the upper part facing the shock blocks 7c, 7c and the vibrating rod 7. There is.

The shock blocks 7c and 7c are shown in Fig. 1 (d) and (f).
As shown in FIG. 7, it is eccentrically attached to the shaft 7d.

Reference numeral 9 denotes a belt wound around a lower third roller 3b and a motor 10 for driving the third roller 3b.

Reference numeral 11 denotes a belt wound around a pulley 11a coaxially attached to a motor 12 for driving the vibration rod 7 and a pulley 11b. 13 is the vibrating rod 7 at the end 13a side.
Connection plate attached to the other end 13b side of the pulley 1
It is eccentrically supported with respect to 1b.

Next, before explaining the operation of the long sheet tearing device in the postcard manufacturing apparatus configured as described above, an outline of the postcard manufacturing process up to the tearing process will be described with reference to FIG.

That is, first, as shown in FIG. 3, by the folding device 14, a long sheet 16 constituted by connecting a large number of postcard forming sheets 15 consisting of three sheet pieces 15a, 15b, 15c to each other is provided.
As shown in the figure, fold it in the longitudinal direction into three folds.

And the long sheet 16 folded in three is
As shown in FIG. 2, the film is conveyed to the film inserting device 17, and first, one guide 19 causes one film 19 to move to the first sheet piece 16a and the second sheet piece 16b of the long sheet 16 as shown in FIG. And the other film 21 is then inserted by the other guide 20 as shown in FIG.
It is inserted between 16 second sheet pieces 16b and third sheet pieces 16c.

Next, the film-containing long sheet 16d in which the film is inserted into the long sheet 16 as described above is cut off by the selvage device 22, and the selvage strip 23 is cut off, and then the film-containing long sheet 16d is heated by the heating device 24. Is heated and then pressed by the press roll 25 to bond the films 19 and 21 and the long sheet 16 to each other.

Then, the long sheet 16 with a film conveyed through the steps of folding, film insertion, and heat bonding as described above.
The d is cleaved by the cleaving device 26 as in the above embodiment for each predetermined size of the postcard.

Next, the operation of the tearing device 26 will be described. The film-containing long sheet 16d includes the first rollers 1a, 1b and the second roller 1a.
While passing through the rollers 2a and 2b and the third rollers 3a and 3b and being held horizontally by the retainer 8, both ends of the shock blocks 7c and 7c provided on the vibrating rod 7 are tapped.

In this case, the long sheet 16d containing the film is struck by the shock blocks 7c, 7c and the first roller 1a,
1b, the second rollers 2a, 2b, and the pulling force associated with the transfer speed between the third rollers 3a, 3b are very easily and smoothly torn at the position of the perforation 27 as shown in FIG. A postcard 28 of dimensions will be manufactured.

Here, the striking mechanism by the shock blocks 7c, 7c in the state of being held by the retainer 8 as described above will be explained in detail according to FIG. 1 (a). First, the belt 11 is driven by the rotation of the pulley 11a by the driving of the motor 12. Rotates, which causes the pulley 11b to rotate. Then, when the pulley 11b rotates, the connecting plate 13 attached with the other end 13b eccentric to the pulley 11b moves up and down, and the vibrating pestle 7 moves up and down accordingly, while being retained by the retainer 8. Shock blocks 7c, 7 provided on both sides of the vibrating rod 7.
With c, both sides of the film-containing long sheet 16d are tapped.

Further, the action of the tapping will be described in detail. The long sheet 16d containing a film was provided on the vibrating rod 7 while being pressed within a certain section in the center by an upper retainer 8 as shown in FIG. It is struck by the shock blocks 7c, 7c. Therefore, the long sheet with film 16d
Is torn from both ends of the perforation 27 toward the center, whereby the tearing is smoothly performed.

In this case, by adjusting the dimensions between the retainer 8 and the shock blocks 7c, 7c, the shock blocks 7c, 7c
It is also possible to adjust the amount of interference of vertical movement of c. further,
The shock blocks 7c, 7c have a shaft 7 as shown in FIG.
Since it is mounted eccentrically with respect to d, the amount of interference can be adjusted by replacing the shock blocks 7c, 7c with the shaft 7d. The "interference amount" is a dimensional difference between the lower end of the retainer 8 and the upper ends of the shock blocks 7c, 7c when the lower end of the retainer 8 is located below the upper ends of the shock blocks 7c, 7c. It is preferable to adjust so that the retaining action of the retainer 8 and the tapping action of the shock blocks 7c, 7c are effective.

Further, since a large number of slits 6 are formed in the third roll 3b, it is possible to concentrate stress on the long sheet 16d containing a film in the longitudinal direction.

Further, the second rolls 2a, 2b have an advantage that the tensile force is concentrated on both sides of the film-containing long sheet 16d so that the shock effect of the shock blocks 7c, 7c can be further improved.

Further, by changing the speed of the motor 10 according to the transfer speed of the film-containing long sheet 16d, the difficulty of tearing the film material, and the like, the film-containing long sheet 16d
The number of contacts of the shock blocks 7c, 7c with respect to d can be varied, and the tapping force can be adjusted.

When troubles such as a defect of the tearing device 26 or winding of a long film occur, the upper rollers 1a, 2a, 3a
When the support plate 4 for supporting the lower rollers 1b, 2b, 3b is rotated around the shaft 31 to be in an open state with respect to the support plate 5 for supporting the lower rollers 1b, 2b, 3b, the upper rollers 1a, 2a, 3a are Rollers 1b, 2b, 3b
Since the long state of the film-containing long sheet 16d held by each roller is released by this, the long sheet of film-containing sheet 16d can be taken out without damage, and this portion can be regenerated. Further, the workability such as taking out the long sheet 16d containing the film is good, and the operation after the reproduction can be promptly performed. When these troubles occur, the transport of the film-containing long sheet 16d is automatically stopped.

Then, as described above, after the film-containing long sheet 16d is torn by each standard dimension of the postcard 28, the torn postcard
28 are sequentially accumulated in the discharge conveyor 29, and are gently fed forward.

As shown in FIG. 9, the postcard 28 manufactured in this manner is obtained by folding the postcard forming sheet 15 into three, and
The film 29 is inserted between the sheet piece 15a and the second sheet piece 15b, and the film 30 is inserted between the second sheet piece 15b and the third sheet piece 15c.

In addition, in the above-described embodiment, the case of manufacturing a postcard with three folds has been described, but the postcard to be manufactured is not necessarily a three-fold postcard, and may be a two-fold postcard, for example. The point is that it should be formed in at least two folds.

Further, in this embodiment, since three pairs of rollers are used as the rollers for pulling the long sheet 16d containing a film, the pulling force due to the difference in transfer speed between the first rollers 1a, 1b and the third rollers 3a, 3b Besides, the preferable advantage that the tapping force of the shock blocks 7c, 7c more effectively acts by the supporting force of the second rollers 2a, 2b has been obtained, but the number of rollers is limited to three pairs in the embodiment. Instead, it may be two pairs. The point is that at least two pairs of rollers having different transfer speeds should be provided.

Further, in the above embodiment, since the beating mechanism is the link mechanism including the belt 11, the connecting plate 13, etc., the beating force can be varied depending on the number of rotations of the motor 12, which is a preferable effect. It is not a requirement that the link mechanism be a simple one, and the striking mechanism does not matter. In short, the shock blocks 7c, 7c may be configured so that the number of contacts with the long film-containing sheet 16d can be varied and the tapping force can be adjusted.

Further, in the above-mentioned embodiment, the shock blocks 7c, 7c having a substantially square shape are used, but the shock blocks 7c, 7c
The shape of is not limited to this and can be arbitrarily changed.

Further, the shape of the retainer 8 is not limited to the roll shape as in the embodiment, and may be a plate shape, for example, and its shape is not limited.

Furthermore, although the case where a postcard is manufactured has been described in the embodiment, the object of the present invention is not limited to the postcard, and the present invention can be applied to, for example, a sealed letter.
The present invention can be applied to any communication body such as a sealed letter.

(Effect of the Invention) As described above, the present invention does not simply tear the long sheet by only the tensile force associated with the difference in the transfer speed of the two rolls as in the conventional case, but in addition to this, a retainer is used. Since the long sheet is torn by tapping the shock block in the held state, even if the film is inserted in the long sheet, tearing at each communication body forming part is easy and smooth. Moreover, there is a remarkable effect that it can be surely performed.

Moreover, as a result of the long sheet being easily and surely torn by the tapping as described above for each communication body forming portion, distortion does not occur at the edge of the film to be torn as in the conventional case, and therefore, There is an advantage that a defective product can be preferably prevented without the film from protruding from the edge of the communication body after manufacturing.

More importantly, one side of the long sheet containing film is held by a retainer, and both ends of the long sheet containing film that are not held by the retainer are struck by the shock block. The tearing force due to the beating propagates from both ends of the perforated perforation toward the center, so that the long sheet containing the film can be smoothly torn without exerting an unreasonable force.

As a result, no noise is generated unlike the conventional device equipped with a curved cutter for cutting a long film, and no curl is generated unlike the device arranged with the rollers displaced from the horizontal plane. There is. further,
Since the shock block is configured so that the number of contacts with the long film-containing sheet can be changed and the tapping force is adjusted, the shock block can be used to reduce the transfer speed of the long film-containing sheet and the difficulty of tearing the material of the film. Accordingly, there is an effect that the tapping force can be adjusted by varying the number of contacts of the shock block with the long sheet containing the film.

[Brief description of drawings]

FIG. 1 shows a tearing device in a postcard manufacturing apparatus as one embodiment, (a) is a schematic front view, (b) is a schematic plan view showing an arrangement state of upper rollers, and (c) is a lower roller. Is a schematic plan view showing the arrangement state, (d) is a schematic side view of a partial cross section showing the interlocking mechanism of the shock block, the vibrating rod, the connecting plate, etc., and (e) is a schematic plan view showing the interlocking mechanism of the vibrating rod and the connecting plate. Figure (f) shows a schematic front view of the shock block, respectively. FIG. 2 is a schematic front view showing the entire postcard manufacturing apparatus. FIG. 3 is a schematic plan view of a long sheet. FIG. 4 is a schematic explanatory view showing a state in which a long sheet is folded in three. FIG. 5 is a schematic explanatory view showing a state where one film is inserted between two pieces of a long sheet by a film inserting device. FIG. 6 is a schematic explanatory view showing a state in which both films are inserted between two pieces of a long sheet by a film insertion device. FIG. 7 is a view showing the action at the time of tapping, (a) is a schematic front view, and (b) is a schematic side view. FIG. 8 is a schematic plan view showing a tearing state of a long sheet. FIG. 9 shows a postcard after manufacturing, (a) is a front view, and (b) is
FIG. 7A is an enlarged cross-sectional view taken along the line A-A of FIG. 1a, 1b …… first roller, 2a, 2b …… second roller 3a, 3b …… third roller, 7c …… shock block 8 …… retainer, 15 …… postcard forming sheet 16 …… long sheet

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI Technical indication location B65H 35/10 (56) References JP-A-61-197200 (JP, A) Sankaihei 1- 166561 (JP, U) Actual opening Sho 49-67718 (JP, U) Actual opening Sho 57-23178 (JP, Y2)

Claims (2)

[Claims] 1. A sheet piece 15 for forming a communication body for forming a communication body such as a postcard or a sealed letter so that at least two sheets can be folded, and the communication body forming sheet 15 can be folded.
In order to manufacture a communication body such as a postcard or a sealed letter in which a synthetic resin film 29 is interposed between a and 15b, and the sheet pieces 15a and 15b are adhered to each other via the film 29 in a peelable manner. In addition, a postcard and a sealed letter for tearing a long sheet 16 composed of a large number of the communication body forming sheets 15 connected in series through perforations 27 with a long film interposed. A device for tearing a long sheet in a device for manufacturing a communication body such as at least two pairs of different transfer speeds for transporting the long sheet 16d containing a film in which the long film is sandwiched from above and below. Rollers are arranged apart from each other, and between the two pairs of rollers, a pair of shock blocks 7c for tapping both ends of the perforation 27 of the long sheet 16d containing the film in the vertical direction. , 7c and long length with film by the shock block 7c, 7c During tapping of over preparative 16d, the film containing continuous sheet 16d the shock block 7c, and the retainer 8 for retaining at the surface opposite is provided with 7c, yet the shock block 7c, 7c
Is configured so that the number of times of contact with the long sheet containing film 16d is varied and the tapping force is adjusted, so that the long sheet is torn in a device for manufacturing a communication body such as a postcard or a sealed letter. apparatus. 2. The shock broke 7c, 7c is a motor 12
Drive the pulley 11a coaxially mounted on the motor 12 and the other pulley 11b spaced apart from the pulley 11a to rotate the belt 11 wound around the pulley 11a, and to rotate the belt 11. A postcard or a postcard according to claim 1, which is provided on both sides of a vibrating rod 7 configured to vertically move a connecting plate 13 eccentrically supported by the other pulley 11b so as to vertically move. Long sheet tearing device in communication equipment manufacturing equipment.