JP5008474B2 - Gluing device for bookbinding machine - Google Patents

Gluing device for bookbinding machine Download PDF

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Publication number
JP5008474B2
JP5008474B2 JP2007166288A JP2007166288A JP5008474B2 JP 5008474 B2 JP5008474 B2 JP 5008474B2 JP 2007166288 A JP2007166288 A JP 2007166288A JP 2007166288 A JP2007166288 A JP 2007166288A JP 5008474 B2 JP5008474 B2 JP 5008474B2
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Japan
Prior art keywords
glue
end surface
roller
lower end
sheet bundle
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Japanese (ja)
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JP2009000966A (en
Inventor
豊季 武内
勝則 石田
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ホリゾン・インターナショナル株式会社
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Description

  The present invention relates to a gluing device for a bookbinding machine that applies glue twice to the lower end surface of a sheet bundle.

  The collated sheet bundle is clamped by a clamper, runs on the glue application roller, applies glue to the lower end face (back of the book) of the sheet bundle, and the lower end face of the sheet bundle to which the glue is applied A bookbinding machine that attaches a cover to a book and binds the book is well known. In this case, since the thickness of the glue to be applied affects the binding strength, the gluing device is provided with means for adjusting the thickness of the glue to be applied. FIG. 6 shows an example of the configuration of the gluing device in the bookbinding machine provided with means for adjusting the thickness of the glue to be applied. In FIG. 6, 1 is a moving chain, 2 is a chain 1 fixed. Clamper 3, glue container for storing molten glue 4, glue application roller 5, thickness of glue applied to the surface of glue application roller 5, wiper for cutting glue, 7 feed screw, H a sheet bundle, M is a motor.

One end 3a of the paste container 3 is pivotally attached to the machine base, the other end 3b is attached to the feed screw 7, and the other end 3b moves up and down with the end 3a as a fulcrum by the feed screw 7 rotating by the rotation of the motor M. To do. When the sheet bundle H sandwiched by the clamper 2 is run on the glue application roller 5 and the molten glue 4 is applied to the lower end surface of the sheet bundle H by the glue application roller 5, the feed screw 7 is rotated, and the glue application roller is rotated. 5 and the lower end surface of the sheet bundle H are adjusted, thereby adjusting the thickness of the paste applied to the lower end surface of the sheet bundle H. Also, as a means for adjusting the thickness of the glue applied to the lower end surface of the sheet bundle H, the glue application roller is lowered by narrowing the gap between the lower end surface of the sheet bundle and the glue application roller and lowering the glue application roller. Some of them move and widen the lower end surface of the sheet bundle and the glue application roller so that the glue is applied twice.
JP 2003-291559 A JP 2006-346984 A

However, in such a configuration in which the glue application roller is moved up and down to adjust the thickness of the glue applied to the lower end surface of the sheet bundle, the distance between the lower end surface of the sheet bundle and the glue application roller is mechanically unstable. However, there is a problem that the interval cannot always be maintained, the thickness of the glue applied to the lower end surface of the sheet bundle is changed, and the bookbinding strength is inferior.

The problem to be solved by the present invention is that, in a gluing device for a bookbinding machine equipped with a glue application roller, the thickness of the glue applied to the lower end surface of the sheet bundle is stably obtained, and the gluing always has excellent binding strength. It is to be able to obtain and to solve such a problem.

The present invention has a glue container for storing molten glue and a glue application roller that rotates by applying the glue in the glue container, and the sheet bundle travels relative to the glue application roller above the glue application roller. In the gluing device for a bookbinding machine, wherein the glue applied to the glue application roller is applied to the lower end surface of the sheet, the glue application roller has portions having different large and small diameters in the direction of the rotation axis, and The main feature is that the end surface is caused to travel relative to the glue application roller above the large-diameter roller portion and the same upper portion of the small-diameter roller portion.

  In the present invention, the glue application roller includes portions having different large and small diameters in the direction of the rotation axis, and the lower end surface of the sheet bundle is located above the large diameter roller part and the same upper part of the small diameter roller part as the glue application roller. Since it travels relatively, the space required for gluing is made small, while the large diameter roller part is glued thinly in the forward run, and the small diameter roller part is glued thickly in the reverse run, A paste layer having a large thickness and excellent binding strength can be formed on the lower end surface. Further, for example, knurling can be applied to the surface of the large-diameter roller portion, and a thick knurling can be performed with the small-diameter roller portion in the forward travel, and a knurled pattern or the like can be easily formed with the large-diameter roller portion during the backward travel.

In a gluing device for a bookbinding machine equipped with a glue application roller, the thickness of the glue applied to the lower end surface of the sheet bundle is stably obtained, and the purpose is to always obtain gluing with excellent bookbinding strength. The glue application roller is formed with portions having large and small diameters in the direction of the rotation axis, and the lower end surface of the sheet bundle that reciprocates at the same height is moved above the large diameter roller portion and above the small diameter roller portion. It was realized.

Embodiments of the present invention will be described below with reference to FIGS. FIG. 1 is a perspective view showing a schematic configuration of a gluing device for a bookbinding machine according to an embodiment of the present invention, and FIGS. 2 to 5 are operation explanatory views of the gluing device for a bookbinding machine shown in FIG. In each drawing, a mechanism for holding and conveying the sheet bundle H with a clamper is omitted. In addition, the bookbinding machine according to the present embodiment is a bookbinding machine that reciprocally conveys the gluing device A (see FIG. 1), the nipping device B (see FIG. 1), and the sheet bundle H between the gluing device and the nipping device at the same height. And a transport mechanism (not shown) formed along the side edge.

In FIG. 1, 1 is a glue container for storing hot melt glue, 2 is a glue application roller having a large-diameter roller portion 2a and a small-diameter roller portion 2b, and 3a is a large-diameter roller portion 2a on the lower end surface of the sheet bundle H. A scraper for leveling the applied glue, 3b is a scrubber scraper for leveling the glue applied to the lower end surface of the sheet bundle H by a small diameter roller portion 2b, 4 is a rotating shaft of the glue applying roller 2, and 5 is a nipping device B. The machine frame 6 is a level plate fixed to the machine frame 5, and 7 is a pair of nip plates arranged at predetermined positions on the level plate 6. In FIG. 2, 8 is a guide rod for guiding the horizontal movement of the glue container 1, 9a and 9b are positioning protrusions fixed to the machine frame 5 of the nipping apparatus B, and 10 is the horizontal movement of the machine frame 5 of the nipping apparatus B. An eccentric cam 11 is a connecting link for connecting the eccentric cam and the machine frame 5.

The glue container 1 is located between the positioning projections 9a and 9b fixed to the machine frame 5, and at first, as shown in FIG. 2a is positioned at a position outside the pair of nip plates 7. In this state, the lower end surface of the sheet bundle H is placed on the upper surface of the level plate 6, the sheet bundle H is held by a clamper (not shown), and the level plate 6 is lowered. Then, as shown in FIG. 3A, the lower end surface of the sheet bundle H travels above the large-diameter roller portion 2a as the clamper moves, and the glue applied to the large-diameter roller portion 2a is applied to the sheet bundle H. As shown in FIG.3 (b), apply | coat thinly to the lower end surface of this. At this time, the large-diameter roller portion 2a is rotationally driven in the same direction as the traveling direction of the sheet bundle H.

When the lower end surface of the sheet bundle H finishes passing through the large-diameter roller portion 2a, the eccentric cam 10 rotates to move the machine frame 6, and the protrusion 9b comes into contact with the other end surface of the glue container 1 by this movement, and glue application is performed. The small-diameter roller portion 2b of the roller 2 is positioned at a position facing the interval between the pair of nip plates 7 as shown in FIG. Thereafter, the movement of the clamper sandwiching the sheet bundle H thinly coated with the glue is reversed, and the lower end surface of the sheet bundle H thinly coated with the glue travels above the small-diameter roller portion 2b with the movement of the reversely moving clamper. Then, the glue applied to the small-diameter roller portion 2b is thickly applied to the lower end surface thereof as shown in FIG. 4 (b), and arrives above the pair of nip plates 7. At this time, the small-diameter roller portion 2b is rotationally driven in the same direction as the traveling direction of the sheet bundle H.

When the sheet bundle H having a thick adhesive applied to the lower end surface arrives above the pair of nip plates 7, a cover sheet (not shown) is placed on the pair of nip plates 7, and the level plate 6 is raised. The cover sheet is pasted on the lower end surface of the sheet bundle H, and as shown in FIG. 5, the nip plate 7 is driven almost simultaneously to tighten the lower end side surface to which the cover sheet is pasted. Thereafter, the eccentric cam 10 rotates to move the machine frame 6, and as a result, the projection 9 a comes into contact with one end surface thereof as shown in FIG. 2, and the large-diameter roller portion 2 a of the glue application roller 2 is moved to the pair of nips. It is positioned at a position outside the plate 7 and waits in this state.

In the above embodiment, the large-diameter roller portion 2a and the small-diameter roller portion 2b are integrally formed. However, the large-diameter roller portion 2a and the small-diameter roller portion 2b are formed separately and are the same. These may be arranged side by side on the rotation axis. Also, the gap between the large-diameter roller portion 2a and the lower end surface of the sheet bundle H that travels above the roller portion 2a, the lower-end surface of the sheet bundle H that travels above the small-diameter roller portion 2b and the roller portion 2b. The gap size is appropriate. Further, in the embodiment, the glue container is interlocked with the movement of the nipping device to switch between the glue application by the large diameter roller portion 2a and the glue application by the small diameter roller portion 2b. The clamper may be moved in the same direction as the rotation axis of the glue application roller, or the clamper may be moved in the same direction as the rotation axis direction of the glue application roller by reciprocating movement of the clamper. Furthermore, the glue container may be moved along the lower end surface of the sheet bundle H.

It is a perspective view which shows schematic structure of the gluing apparatus for bookbinding machines which concerns on the Example of this invention. It is operation | movement explanatory drawing of the gluing apparatus for bookbinding machines shown in FIG. It is operation | movement explanatory drawing of the gluing apparatus for bookbinding machines shown in FIG. It is operation | movement explanatory drawing of the gluing apparatus for bookbinding machines shown in FIG. It is operation | movement explanatory drawing of the gluing apparatus for bookbinding machines shown in FIG. It is a perspective view which shows schematic structure of an example of the pasting apparatus for conventional bookbinding machines.

Explanation of symbols

A Gluing device B Nipping device H Sheet bundle 1 Glue container 2 Glue application roller 2a Large-diameter roller portion 2b Small-diameter roller portion 3a, 3b Scraper 4 Rotating shaft of glue application roller 5 Machine frame 6 Level plate 7 Pair of nip plates 8 Guide rods 9a, 9b Positioning projection 10 Eccentric cam 11 Link

Claims (3)

  1. A glue container for storing molten glue and a glue application roller that rotates by applying the glue in the glue container and rotates above the glue application roller on the lower end surface of the sheet bundle that runs relative to the glue application roller In the gluing device for a bookbinding machine formed by applying the glue applied to the glue application roller, the glue application roller has portions having different diameters in the direction of the rotation axis, and the lower end surface of the sheet bundle is A gluing device for a bookbinding machine, wherein the gluing device is made to travel relative to the glue application roller above a roller portion having a diameter and the same upper portion of a roller portion having a small diameter.
  2.   A glue container for storing molten glue and a glue application roller that rotates by applying the glue in the glue container and rotates above the glue application roller on the lower end surface of the sheet bundle that runs relative to the glue application roller In the gluing device for a bookbinding machine, the glue applying roller is applied with the glue applied to the glue applying roller, and the glue applying roller has different portions of large and small diameters in the direction of the rotation axis, and the large diameter roller portion is used to bundle the sheets. A gluing device for a bookbinding machine, in which glue is applied to the lower end surface of the sheet and the glue is applied to the lower end surface to which the glue has been applied with a small-diameter roller portion.
  3. The gluing device for a bookbinding machine according to claim 1 or 2, wherein a glue applying roller having different portions of large and small diameters can be horizontally moved in a direction perpendicular to the traveling direction of the sheet bundle.
JP2007166288A 2007-06-25 2007-06-25 Gluing device for bookbinding machine Expired - Fee Related JP5008474B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007166288A JP5008474B2 (en) 2007-06-25 2007-06-25 Gluing device for bookbinding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007166288A JP5008474B2 (en) 2007-06-25 2007-06-25 Gluing device for bookbinding machine

Publications (2)

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JP2009000966A JP2009000966A (en) 2009-01-08
JP5008474B2 true JP5008474B2 (en) 2012-08-22

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107554118B (en) * 2016-06-30 2019-03-19 浙江越生联合出版印刷有限公司 Sizer for book back gluing

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0651145B2 (en) * 1991-08-09 1994-07-06 極東産機株式会社 Wallpaper gluing machine
JP4198377B2 (en) * 2002-04-04 2008-12-17 ホリゾン・インターナショナル株式会社 Gluing device for bookbinding machine
JP4481885B2 (en) * 2005-06-15 2010-06-16 ニスカ株式会社 Bookbinding apparatus and image forming apparatus using the same
JP2007050335A (en) * 2005-08-17 2007-03-01 Eidai Co Ltd Spreader and method for applying adhesive to floor substrate using the spreader
JP4836655B2 (en) * 2006-05-02 2011-12-14 ニスカ株式会社 Bookbinding equipment
JP4950636B2 (en) * 2006-11-27 2012-06-13 キヤノン株式会社 Gluing and binding equipment
JP2008162177A (en) * 2006-12-28 2008-07-17 Nisca Corp Adhesive application device, bookbinding device equipped therewith and image forming system

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