JP2555760Y2 - Back attachment device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a back-pasting device for applying a back to a document or the like for binding.
The present invention relates to a back sticking device using an adhesive tape.

[0002]

2. Description of the Related Art Some backing apparatuses for binding papers and the like and attaching a backing paper use an adhesive tape made of paper or cloth. This type of spine bonding device first tentatively binds a document or the like with a staple or the like, then attaches an adhesive tape to an edge of one cover, and then attaches the binding portion of the document 1 as shown in FIG. The adhesive tape 4 is transported along guide plates 2 and 3 of the back sticking device, and the adhesive tape 4 is pressed against the back and back cover of the document 1 by the guide plates 2 and 3.

As shown in FIG. 1, the guide plates 2 and 3 are formed by forming a piece of a plate bent substantially at right angles into a triangular shape, and a document 1 on which an adhesive tape 4 is stuck is brought into contact with the guide plates 2 and 3. Rubbing, the slopes 5, 6 of the guide plates 2, 3
Folds the adhesive tape 4 and presses it on the document 1.

[0004]

In the above-mentioned conventional back-applying apparatus, the back-applying is performed by pressing the back of the paper against the guide plate and moving the paper back in the longitudinal direction. The width dimension is specified, and it is difficult to downsize the device. In addition, since the backing adhesive tape is bent while being adhered in the longitudinal direction, the adhesive tape may be wrinkled or kinked, and a satisfactory finish quality may not be obtained.

[0005] Therefore, there is a demand for a back pasting device which reduces the width of the device as much as possible to reduce the installation space and improves the finished quality. This invention provides a back pasting device which solves the above-mentioned problems. The purpose is to do.

[0006]

SUMMARY OF THE INVENTION The present invention is proposed to achieve the above-mentioned object, and includes a long groove (17, 1).
The pair of guide rails (15, 16) provided with 8) are hinged to each other with the long grooves (17, 18) facing each other, and can be turned over by interposing an opening / closing mechanism (36). With the rails (15, 16) turned down,
A sheet feeding mechanism for providing a sheet table (37) facing the opening of the sheet guide (7, 18) and transferring the sheet (40) on the sheet table (37) to the gap between the pair of guide rails (15, 16). The backing paper (20, 21) of the adhesive tape for back application (12) is divided in the longitudinal direction, and the backing paper (2
0, 21) is inserted into the pair of guide rails (15, 16) such that the pair of guide rails (15, 16) is opposed to the paper feed mechanism side, and the pair of guide rails (15, 16) is turned over to make the adhesive tape for back application (12). The adhesive surface of the paper (40) is opposed to the paper (40), and the paper feed mechanism is driven to insert the paper (40) between the guide rails (15, 16), thereby attaching the adhesive tape (12) to the paper (40). A back adhering device formed so as to adhere to the back and front and back covers, and a convex roller (41) and a concave roller (42) arranged opposite to the side of the guide rails (15, 16). A back sticking device provided with tape winding straightening means (41, 42) for nipping the adhesive tape (12) by a convex roller (41) and a concave roller (42) and transferring the tape into the guide rails (15, 16). To It is intended to provide.

[0007]

[Function] The adhesive tape obtained by dividing the backing paper in the longitudinal direction is inserted into a pair of guide rails in a direction in which the backing paper faces the paper table, and the guide rails are bent by the opening and closing mechanism, whereby the adhesive tape is bent. The adhesive surface at the center of the adhesive tape is exposed. Subsequently, when the sheet on the sheet table is advanced toward the gap between the pair of guide rails by the sheet feed mechanism, the spine of the sheet is pressed against the adhesive surface of the adhesive tape.
When the paper is further advanced, the backing paper is separated from the adhesive tape and falls off by the movement of the paper, and the adhesive tape is pressed against the front and back covers of the paper to perform back bonding.

According to a second aspect of the present invention, the adhesive tape is pressed and fed by the convex roller and the concave roller, whereby the adhesive tape is warped in a direction perpendicular to the traveling direction, and the curling of the adhesive tape is corrected. Straightness is improved, and it is reliably inserted into the guide rail.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to FIGS. FIG. 1 shows the configuration of a back sticking device 11, in which reference numeral 12 denotes an adhesive tape for back sticking wound in a roll shape, and 13 denotes a capstan roller for feeding the tape.
In the drawing, the adhesive tape 12 is nipped by the idler roller 14 and the capstan roller 13 disposed on the back side of the capstan roller 13 and fed to the left guide rails 15 and 16.

The upper and lower edges of the adhesive tape 12 are inserted into the long grooves 17 and 18 of the guide rails 15 and 16 to be guided, and are cut into a predetermined length by a cutter device 19.
The backing papers 20, 21 of the adhesive tape 12 are divided into two in the longitudinal direction. As shown in FIG.
The reference numeral 16 denotes an end of the side plate 22, 22 provided at both ends on the long groove side, which is pivotally connected by hinge pins 23, 23, and guide pins 24, 24, 25, 25 protruding outward from the vicinity of the other end. .
The upper and lower guide pins 24 and 25 are connected by two links 26, 27, 26 and 27, respectively, and the hinge pins 23 and 30 are inserted into guide holes 29, 30, and 31 formed in the frame 28 as shown in FIG. 23 and guide pins 24, 25, 24,
25 is loosely fitted.

Also, as shown in FIG.
The tension coil spring 3 is connected to the connecting pin 32 and the hinge pin 23 of
3, the upper and lower guide rails 15 and 16 are urged in the expanding direction so that the long grooves 17 and 18 face each other. And
The connecting pin 32 is connected to a slider 35 that can slide back and forth through a tension coil 34 spring. The slider 35 is slid rearward (left in the figure) by a motor (not shown) to fold the guide rails 15 and 16. A folding opening / closing mechanism 36 is formed.

A paper table 37 is disposed on the front of the guide rails 15 and 16 so as to face each other, and paper feed rollers 38 and 3 are provided between the paper table 37 and the guide rails 15 and 16.
9 are arranged. The capstan roller 13 described above,
Cutter device 19, opening / closing mechanism 36 and paper feed roller 3
8, 39 are sequentially controlled by a control device (not shown).

Next, the operation of the control device 11 will be described. First, a paper 40 such as a document to be bound is stapled with a stapler, the stapled side is placed on a sheet table 37 so as to face the guide rails 15 and 16, and when an operation start command is input to the control device, the capping is performed. The stun roller 13 is driven to feed the adhesive tape 12 to the guide rails 15 and 16, and both upper and lower edges are guided along the long grooves 17 and 18.
When the adhesive tape 12 having a predetermined length is fed, the control device stops driving the capstan roller 13 and operates the cutter device 19 to cut the adhesive tape 12.

Subsequently, when the slider 35 is moved rearward (left in FIG. 2) by driving the motor, the guide rails 15 and 1 are moved.
6 is folded from the state shown in FIG. 2 to the state shown in FIG. 4, the adhesive tape 12 is bent, and the backing papers 20, 21 are peeled off from the central portion of the adhesive tape 12 by elasticity, and the adhesive tape 12 is adhered. The central part of the surface is exposed. Next, the paper feed rollers 38 and 39 are driven, the paper 40 moves toward the exposed adhesive surface, and the back of the paper comes into close contact with the adhesive surface. At the same time, the slider 35 is further driven rearward, and the guide rails 15 and 16 are further closed.
Due to the elasticity of 4, the end surfaces 17a and 18a of the long groove opening portions are pressed against the front and back of the paper 40. And the paper feed roller 3
The paper 40 is further advanced by 8, 39, and the adhesive tape 12 is pressed against the cover 40a and the back cover 40b by the end faces 17a, 18a while the backing papers 20, 21 are peeled off as shown in FIG.

After the paper 40 has been moved by a certain distance, the slider 35 is driven forward, the guide rails 15 and 16 move to the return stroke and return to the state shown in FIG. 2, and the paper feed rollers 38 and 39 are rotated in reverse. Paper 40 on which the back is completed
Returns to a predetermined position on the sheet table 37 to complete a series of back sticking steps. Although not shown, the guide rail 1 is not shown.
An electromagnetic actuator or the like may be used in place of the motor for opening and closing 5, 5 and 16, and the configuration of the opening and closing mechanism 36 can be variously modified, and should not be limited to the above-described embodiment.

Next, FIG. 6 shows an embodiment of the invention according to claim 2, in which a convex capstan roller 41 and a concave idler roller 42 constitute tape winding straightening means. Since the adhesive tape 12 wound in a roll shape has a curl, when the adhesive tape 12 is pulled out by a conventional columnar capstan roller and an idler roller, the traveling direction of the adhesive tape 12 is deflected as shown by a chain line. May not be inserted into the guide rails 15 and 16. On the other hand, the adhesive tape 12 with the backing paper that has passed through the curl straightening means of the present invention is warped as shown in FIG.
It is securely inserted inside.

FIG. 8 shows another embodiment of the tape feeding mechanism of the back sticking device 11 according to the first and second aspects of the present invention, in which the backing paper of the adhesive tape 43 is divided into three in the longitudinal direction, and two guide rollers 44, The backing paper 46 at the center of the adhesive tape 43 pressed at 45 is wound by a winding roller 47 downstream of the two guide rollers 44 and 45. Then, the adhesive tape 43 with the backing papers 48, 49 left on both upper and lower edges is fed to the guide rails 15, 16 by the pulling force of the winding roller 47. By exposing the central portion A of the adhesive surface of the adhesive tape 43 in advance, the exposed area of the adhesive surface is enlarged, and the sticking operation to a thick booklet can be performed more reliably.

[0018]

Since the present invention is constructed as described in detail in the above embodiment, the width of the apparatus is smaller than that of a conventional apparatus in which the paper is moved in the longitudinal direction of the back and an adhesive tape is adhered. Can be In addition, since the adhesive tape is bent from the back of the paper to the front cover and the back cover and pressure-bonded, wrinkles and kinks do not occur in the adhesive tape, and the finish quality is improved.

Further, according to the invention of the second aspect, the curling of the adhesive tape is corrected, the straightness at the time of feeding the tape is improved, and the insertion into the guide rail is performed stably. Also,
Since the bending or twisting of the adhesive tape in the traveling direction is corrected, the finish of the backing is further improved.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing a configuration of a back bonding apparatus according to claim 1.

FIG. 2 is a side view showing a guide rail opening / closing mechanism.

FIG. 3 is a side view showing a guide groove of the frame.

FIG. 4 is an explanatory diagram of a back sticking operation.

FIG. 5 is an explanatory diagram of a back sticking operation.

FIG. 6 is an explanatory view showing a tape curling correcting means of the back sticking device according to claim 2;

FIG. 7 is an end view of the pressure-sensitive adhesive tape having passed through the tape winding straightening means according to claim 2;

FIG. 8 is an explanatory view showing another embodiment of the tape feeding mechanism of the back sticking device according to claim 1;

FIG. 9 is an explanatory view showing a configuration of a conventional back pasting device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Back bonding apparatus 12 Adhesive tape 15, 16 Guide rail 17, 18 Long groove 20, 21 Back paper 23 Hinge pin 24, 25 Guide pin 26, 27 Link 36 Opening / closing mechanism 37 Paper table 38, 39 Paper feed roller 40 Paper 41 Convex capstan roller 42 Concave idler roller

Claims (2)

(57) [Scope of request for utility model registration] A pair of guide rails (15, 16) provided with long grooves (17, 18) are hinged to each other with the long grooves (17, 18) facing each other, and an opening / closing mechanism (36) is interposed. The guide rails (15, 16) can be turned over freely.
A sheet table (37) facing the opening of the long groove (17, 18) is provided in a state in which the sheet is folded, and the sheet (40) on the sheet table (37) is moved to the pair of guide rails (15, 16). A paper feed mechanism for transferring the paper to the gap between the backing papers (20, 21) of the adhesive tape for back application (12);
In the longitudinal direction, and inserted into the pair of guide rails (15, 16) such that the backing paper (20, 21) faces the paper feed mechanism side, and the pair of guide rails (1
5 and 16) are turned over so that the adhesive surface of the adhesive tape for back application (12) faces the paper (40), and the paper feed mechanism is driven to insert the paper (40) between the guide rails (15, 16). Back adhesive device formed so that the adhesive tape (12) is adhered to the spine of the paper (40) and the front and back covers by doing so. 2. A convex roller (41) and a concave roller (42) are arranged on the side of said guide rails (15, 16) so as to face each other, and said convex roller (41) and concave roller (42) 2. The back sticking device according to claim 1, further comprising a tape winding straightening means (41, 42) for pressing the adhesive tape (12) and transferring the tape into the guide rails (15, 16).