JPH0517024B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION FIELD OF INDUSTRIAL APPLICATION The present invention relates to a novel pasting device. For more information,
This is a device that adheres multiple films or sheets using a heat-activated adhesive, which enables full automation of the pasting operation, saves energy, and is low in cost. This is what we are trying to provide. In addition to the above advantages,
It is an object of the present invention to provide a pasting device that can obtain a high-quality pasted product.

BACKGROUND ART In an apparatus for pasting a plurality of films or sheets together using a heat-activated adhesive, a heat roll is generally used as a heating means.

That is, as shown in FIG. 8, a heat roll a and a rubber roll b are placed in pressure contact with each other, and films or sheets c and d are superimposed on each other between the two rolls a and b. The adhesive applied to one of the films or sheets is activated and the two films c and d are brought into pressure contact, whereby the overlapped films or sheets c and d
are attached to each other.

Problems to be Solved by the Invention By the way, the heat roll a used in the above-mentioned conventional pasting device has a large heat capacity, and it takes too long to reach a temperature that allows pasting after turning on the power. There is a problem that the so-called "startup" is poor. .

Additionally, the heat roll needs to be constantly rotated to keep the temperature uniform. Therefore, the paper to which the laminated film is to be pasted is inserted into a laminating tape in which a single sheet of laminated film with a layer of heat-activated adhesive applied to one side is held on a long base film at regular intervals. It is impossible to leave the laminate tape on the machine all the time and automatically carry out the affixing operation, such as having the laminate tape run together with the paper to be affixed when the laminate tape is applied. In other words, as mentioned above, the heat roll must be kept rotating all the time.
When using the above-mentioned laminating tape, the laminating tape must be kept running all the time, which not only results in a lot of waste, but also causes the laminating film to slip between the heat roll and rubber roll when the paper to be pasted is not stacked. This is because the activated adhesive will cause the laminate film to stick to the rubber roll, causing the machine to malfunction.

Furthermore, since the heat roll is constantly rotated with its circumferential surface heated, and because it has a built-in heater, its shape becomes large, and the temperature around it becomes considerably high. Therefore, in the case of a device using a heat roll, there is a problem in that expensive heat-resistant parts are not required and the cost increases.

Furthermore, if the two films or sheets that are pasted to each other have a difference in shrinkage rate when returning to room temperature from a heated state (shrinkage rate upon cooling), there will be a difference in the shrinkage rate immediately after the pasting is completed. As shown in Figure 9A, as the material returns to room temperature, it becomes bent toward the film or sheet e with a higher shrinkage rate, as shown in Figure 9B, and its quality deteriorates. There is also the problem of doing so.

Purpose of the Invention The present invention has been made in view of the above-mentioned problems, and is an apparatus for pasting a plurality of films or sheets using a heat-activated adhesive. The purpose is to provide a bonding device that enables automation, saves energy, and is low in cost.In addition to the above-mentioned advantages, it is also possible to obtain a high-quality bonded product. The purpose is to provide a device.

SUMMARY OF THE INVENTION In order to achieve the above-mentioned object, the first sticking device of the present invention is a device that sticks a plurality of films or sheets using a heat-activated adhesive.
The present invention is characterized in that a plate heater whose heat generating portion is in the form of a flat plate is brought into contact with a roller in a pressure-bonded manner, and the film or sheet is passed between the plate heater and the roller.

The second sticking device of the present invention is a device that sticks two films or sheets together using a heat-activated adhesive, and includes a plate heater whose heating part is flat and a roller. contact in a crimped manner,
The present invention is characterized in that the travel path of the film or sheet is bent to one side at an obtuse angle immediately after passing between the plate heater and the roller.

Effects Therefore, according to the first sticking device of the present invention, since a plate heater is used as the heating means, the heat capacity can be reduced, and the rise time from turning on the power to starting sticking can be reduced. It is possible to significantly shorten the time, and there is no need to keep the electricity on all the time, so it is possible to save energy and shorten the adhesion time.

Furthermore, since heat is not applied except when necessary, the laminate tape as described above can be left on and the pasting operation can be fully automated.

Furthermore, since there is no component such as a heat roll that significantly raises the surrounding temperature, there is no need to use heat-resistant parts, and manufacturing costs can be reduced.

Furthermore, according to the second pasting device of the present invention, the pasted film or sheet can be bent in a direction that has a lower shrinkage rate upon cooling immediately after pasting is completed. Then, when the temperature reached room temperature,
It can be made to be in a straight state.

Embodiments Hereinafter, details of the pasting device of the present invention will be explained according to embodiments shown in the accompanying drawings. The pasting device 1 shown in the drawings is for pasting a laminate film onto photographic paper, and is designed to automatically feed the laminate film.

In the drawing, 2 is the machine frame of the pasting device 1;
It is formed into a substantially box shape, and has a photographic paper insertion slot 3 formed in its front surface, and a paper discharge port 5 formed in its bottom plate portion 4.

Reference numerals 6 and 6 (see FIG. 3; only one of them is shown in the drawing) are side chassis arranged near the left and right side panels in the machine frame 2.

Reference numeral 7 denotes a pressure bonding roller rotatably disposed approximately in the center of the machine frame 2 in the longitudinal direction and slightly closer to the bottom plate side from the center in the vertical direction, and the outer periphery of the pressure roller is a heat-resistant roller. Made of high quality rubber. 8 is a roller shaft of a pressure roller, and both ends of the roller shaft 8 are provided with bearing members 9, 9 provided on the side chassis 6, 6.
is rotatably supported.

Reference numeral 10 denotes an insertion receiving plate whose front edge is arranged so as to be continuous with the photographic paper insertion slot 3, and whose rear end is arranged at a height approximately corresponding to the upper end surface of the pressure roller 7; An insertion guide plate 11 is arranged above and facing the plate 10.

Reference numeral 12 denotes a driving paper feed roller, and 13 a driven paper feed roller arranged in contact with the outer peripheral surface of the drive paper feed roller 12 from above. The entrance of the contacting portion is the insertion receiving plate 10.
It is located close to the rear edge of the. 14
is a roller shaft to which the driving paper feed roller 12 is fixed, and both ends of the roller shaft 14 are connected to bearing members 15, 15 provided on the side chassis 6, 6.
is rotatably supported. Reference numeral 16 denotes a roller shaft to which the driven paper feed roller 13 is fixed, and both ends of the roller shaft 16 are rotatably supported by bearing members (not shown) provided on the side chassis 6, 6.

Reference numeral 17 denotes a transfer guide plate disposed between the exit of the portion where the driving paper feed roller 12 and the driven paper feed roller 13 come into contact with each other and the upper end of the pressure roller 7 .

18 is a plate heater. The plate heater 18 is held by a heater holding member (not shown) that is rotatably arranged with respect to the machine frame 2, and a heat generating part 19 arranged on the lower surface of the plate heater 18 is connected to the pressure roller 7.
It is provided so that it can come into contact with the outer circumferential surface of the adhesive roller 7 from above, and is pressed against the pressure roller 7 with a predetermined pressure, at least when the adhesive device 1 is used. The heat generating part 19 is made of ceramics formed into a thin plate shape,
A thick film resistor (not shown) is formed on the back surface (the surface opposite to the surface in contact with the pressure roller 7) by printing means. The heat generating portion 19 is attached to the base body 18a, and a temperature sensor (not shown) is built in the base body 18a.

Reference numeral 20 denotes a driving sheet discharge roller arranged diagonally below and behind the pressure roller 7. Reference numeral 21 denotes a roller shaft to which the drive sheet discharge roller 20 is fixed, and its both ends are rotatably supported by bearing members 22, 22 provided on the side chassis 6, 6. Reference numeral 23 denotes a driven paper feed roller that is placed in contact with a portion of the outer peripheral surface of the drive paper discharge roller 20 that is slightly rearward from the upper end.
A driven delivery roller 24 is disposed in contact with a portion of the outer peripheral surface of the drive paper delivery roller 20 that is slightly forward of the lower end. 25
26 is a roller shaft to which the driven paper feed roller 23 is fixed, and 26 is a roller shaft to which the driven feed roller 24 is fixed.
and 26 are rotatably supported by bearing members (not shown) provided on the side chassis 6, 6.

Then, the pressure roller 7 and the plate heater 1
8, the exit side of the part where the heat generating part 19 of
The line that connects the part where 3 is in contact with the entrance side is
The entrance side of the part where the pressure roller 7 and the plate heater 18 are in contact, and the drive paper feed roller 12
It is bent so as to form an obtuse angle toward the pressure roller 7 with respect to a line connecting the outlet side of the contact portion with the driven paper feed roller 13.

Reference numeral 27 indicates an exit of the portion where the pressure roller 7 and the heater 18 come into contact with each other and the drive sheet discharge roller 2.
This is a transfer guide plate disposed between the entrance side of the portion where the roller 0 and the driven paper feed roller 23 come into contact with each other.

Reference numeral 28 denotes a paper discharge guide plate, which is arranged behind the drive paper discharge roller 20. The paper ejection guide plate 28 is disposed such that its front end faces toward the entrance of the portion where the driving paper ejection roller 20 and the driven delivery roller 24 come into contact with each other, and the paper ejection guide plate 28 is tilted diagonally downward. It is located. Further, the rear end portion of the paper discharge guide plate 28 is bent substantially forward to form a stopper 28a.

29 is a laminated tape wound into a roll paper. The laminate tape 29 is a laminate in which a transparent film and a heat-activated adhesive layer are formed on one side of a base film 29a formed in a long band shape from a material having a certain degree of heat resistance. film 29b,
29b,... are attached. Incidentally, these laminated films 29b, 29b,... are printed on photographic paper 30.
(see FIG. 2), and are arranged on one surface of the base film 29a at a predetermined distance from each other. Furthermore, small detection holes 29c, 29c, . . . are formed in the gaps between the laminate films 29b, 29b, .

Reference numeral 31 denotes a supply reel rotatably disposed at a position near the front of the upper part of the machine frame 2, and the above-mentioned laminate tape 2 is attached to the supply reel 31.
9 is wound. Reference numeral 32 denotes a take-up reel disposed in the upper part of the machine frame 2 at a position closer to the rear side, and the laminate tape 29 pulled out from the supply reel 31 passes through a predetermined traveling path to be described later. After that, it is wound up on this winding reel 32. Reference numeral 33 denotes a reel drive shaft that is engaged with the take-up reel 32 so that it rotates integrally, and both ends of the shaft are rotatably supported by bearing members (not shown) provided on the side chassis 6, 6. has been done.

34, 34, 34 are the laminate tapes 29
These are tape guide rollers that regulate the travel path of the tape, and are rotatably arranged at predetermined positions.

Thus, the laminate tape 29 pulled out from the supply reel 31 is made to travel along a running path as shown by the two-dot chain line in FIG. That is, after being pulled out from the supply reel 31, it is once guided to a substantially intermediate portion between the driving paper feed roller 12 and the pressure roller 7, and from there reaches the pressure roller 7.
After being passed between the pressure roller 7 and the heat generating part 19 of the plate heater 18, the driven sheet discharge roller 20
The paper is guided toward the side, guided upward before reaching the drive paper discharge roller 20, and wound onto the winding reel 32. That is, the laminate tape 29 is connected to the pressure roller 7 and the heat generating part 19 of the plate heater 18.
Immediately after passing between the rollers 7 and 7, the rollers are bent at an obtuse angle and run toward the pressure roller 7.

When the photographic paper 30 is inserted from the photographic paper insertion slot 3, the photographic paper 30 is transferred to the driving paper feed roller 12.
and the driven paper feed roller 13, the paper is transferred to the pressure roller 7 side. The sheet is then transferred to the drive sheet discharge roller 20 side while being brought into pressure contact with the laminate tape 29 by the pressure roller 7 and the heat generating portion 19 of the plate heater 18 .
Note that when the pressure roller 7 is rotated, the take-up reel 32 is rotated by a predetermined amount in synchronization with this, and thereby the laminated tape 29 is made to travel at a predetermined pitch.
9 is moved integrally with the photographic paper 30. The laminate film 29b attached to the laminate tape 29 is heated by the heat generating part 19 of the plate heater 18, thereby activating its adhesive layer and being brought into pressure contact with the photographic paper 30. It will be peeled off from 29 and adhered to photographic paper 30.

Thus, the photographic paper 30 to which the laminate film 29b is attached is bent along the circumferential surface of the pressure roller 7 at the same time as it passes between the pressure roller 7 and the heat generating portion 19 of the plate heater 18. Therefore, immediately after the photographic paper 30 passes between the pressure roller 7 and the plate heater 18, it is in a state of being curved toward the photographic paper 30 as shown in FIG. Since the ratio of the laminate film 29b is larger than that of the photographic paper 30, as the temperature returns to room temperature, the laminate film 29b straightens as shown in item 7.

Then, the photographic paper to which the laminate film 29b is attached is transferred onto the paper discharge guide plate 28 by the driving paper discharge roller 20 and the driven paper feed roller 23. The leading edge of the photographic paper 30 transferred onto the paper ejection guide plate 28 comes into contact with a stopper 28a provided at the rear end of the paper ejection guide plate 28, as shown by the two-dot chain line in FIG. When the trailing end is sent out from the exit of the portion where the driving paper ejection roller 20 and the driven paper feed roller 23 contact each other, the repulsion force accumulated by the bending causes The end contacts the circumferential surface of the drive paper discharge roller 20, and the drive paper discharge roller 20
According to the rotation of the drive paper ejection roller 2,
0 and the driven delivery roller 24 come into contact with each other at the entrance. The photographic paper 30 is then transferred to the paper discharge port 5 side by the driving paper discharge roller 20 and the driven paper delivery roller 24, and is sent out from the paper discharge port 5 to the outside of the machine frame 2.

In addition, the pressure roller 7, the drive paper feed roller 12,
The driving sheet discharge roller 20 and the reel drive shaft 33 are designed to be rotated in a predetermined rotation direction at a predetermined timing, and these will be explained in detail later.

Next, a drive system for driving the above-mentioned pressure roller 7, drive paper feed roller 12, drive paper discharge roller 20, and reel drive shaft 33, a detection means for controlling the operation timing of the drive system, etc. will be explained. .

35 is a motor, and the motor 35 is a so-called geared motor having a built-in reduction gear mechanism. 36 is an output gear fixed to the output shaft of the motor 35.

Reference numeral 37 denotes a paper feed side gear provided on a portion of the roller shaft 14 of the drive paper feed roller 12 that protrudes leftward from the bearing member 15;
7 is connected to the roller shaft 14 via a first one-way clutch 38.

Reference numeral 39 denotes a paper discharge side gear (see FIG. 3) provided at a position near the bearing member 22 in a portion of the roller shaft 21 of the driving paper discharge roller 20 that protrudes from the bearing member 22 to the left side. The side gear 39 is connected to the roller shaft 21 via a second one-way clutch 40.

Reference numeral 41 denotes a sticking side gear provided at a position close to the bearing member 9 in a portion of the roller shaft 8 of the pressure roller 7 that protrudes leftward from the bearing member 9, and the sticking side gear 41 is a third one-way gear. clutch 42
It is connected to the roller shaft 8 via. This sticking side gear 41 is meshed with the output gear 36.

Reference numeral 43 denotes a paper ejection side pulley provided on a portion of the roller shaft 21 of the drive paper ejection roller 20 that protrudes to the left from the paper ejection side gear 39, and the paper ejection side pulley 43 is connected to the fourth one-way clutch 4.
It is connected to the roller shaft 21 via 4.

Reference numeral 45 denotes a paper feeding side transmission gear, and the paper feeding side transmission gear 45 is meshed with the paper feeding side gear 37, and a small gear 46 formed integrally with this is meshed with the output gear 36. There is. Therefore, the rotational force of the motor 35 is transmitted to the output gear 36 and the small gear 46.
and the paper feed side gear 37 via the paper feed side transmission gear 45
is transmitted to.

Reference numeral 47 denotes a paper discharge side transmission gear, and a small gear 48 is integrally formed therein. Further, 49 is a paper discharge side intermediate gear. The paper ejection side transmission gear 47 is meshed with the paper ejection side intermediate gear 49, and the small gear 4
8 is meshed with the pasting side gear 41, and the paper discharge side intermediate gear 49 is meshed with the paper discharge side gear 39. Therefore, the rotational force of the motor 35 is transmitted to the paper discharge side gear 39 through a transmission path including the output gear 36 - the adhesive gear 41 - the small gear 48 - the paper discharge side transmission gear 47 - the paper discharge side intermediate gear 49. communicated.

50 is a drive pulley fixed to a portion of the roller shaft 8 of the pressure roller 7 that protrudes to the left from the sticking side gear 41, and 51 is a drive pulley fixed to the left end of the reel drive shaft 33 via a torque limiter (not shown). This is a connected reel side pulley.
Then, the drive pulley 50, the reel side pulley 5
Gear teeth are formed in the belt grooves of the pulleys 50, 51, and 43, and an endless timing belt 52 is stretched around these pulleys 50, 51, and 43.

Therefore, the rotational force of the motor 35 is transmitted to the sticking side gear 41 via the output gear 36, and when the roller shaft 8 of the pressure roller 7 is rotated, the rotational force is transmitted to the driving pulley 50 and the timing. Reel side pulley 51 via belt 52
and is transmitted to the paper discharge side pulley 43.

By the way, the two clutch surfaces of the first to fourth one-way clutches 38, 40, 42, and 44 are integrally coupled when the motor 35 is rotated in the following rotational direction (hereinafter referred to as , this state is called the "lock state") (see Figure 4). In addition, in Figure 4,
The direction indicated by the solid line arrow indicates the rotation direction of each gear and pulley when the motor 35 is rotated in the forward rotation direction, and the direction indicated by the broken line arrow indicates the rotation direction of each gear and pulley when the motor 35 is rotated in the reverse rotation direction. This indicates the direction of rotation. In addition, in the figure, the direction indicated by the wide arrow indicates the gears 37, 39, 41 and the pulley 4 when the one-way clutches 38, 40, 42, and 44 are in the locked state.
3 shows the direction of rotation.

First, the first one-way clutch 38 is configured to be in a locked state when the motor 35 is rotated in the normal direction. That is, when the motor 35 is rotated in the normal direction, the paper feed side gear 37 is rotated counterclockwise as shown by the solid line arrow, and at this time, the first one-way clutch 38 is brought into the locked state.
Therefore, when the motor 35 rotates in the forward rotation direction, the driving paper feed roller 12 receives the rotational force and is rotated counterclockwise.
Note that when the driving paper feed roller 12 is rotated counterclockwise, the driven paper feed roller 13 that is in contact with it is rotated clockwise, so that both rollers 12, 13 are rotated clockwise. The photographic paper 30 inserted into the inlet side of the portion where the two contacts each other is transferred to the pressure roller 7 side.

Next, the second one-way clutch 40 is also adapted to become locked when the motor 35 is rotated in the normal direction. That is, when the motor 35 is rotated in the normal direction, the paper discharge side gear 39 is rotated counterclockwise as shown by the solid line arrow, and at this time the second one-way clutch 40 is brought into the locked state. Therefore, when the motor 35 is rotated in the forward rotation direction, the drive paper discharge roller 20 is rotated counterclockwise by the rotational force transmitted through the second one-way clutch 40. Note that when the drive paper discharge roller 20 is rotated counterclockwise, the driven paper discharge roller 23 and the driven delivery roller 24 that are in contact therewith are rotated clockwise. As a result, the photographic paper 30 inserted into the entrance side of the portion where the driving paper ejection roller 20 and the driven paper ejection roller 23 come into contact with each other.
The photographic paper 30 inserted into the entrance side of the portion where the drive paper discharge roller 20 and the driven paper delivery roller 24 come into contact with each other is now transferred to the paper discharge guide plate 28 side. Becomes transferred to the side.

Further, the third one-way clutch 42 is adapted to be in a locked state when the motor 35 is rotated in the reverse direction. That is, when the motor 35 is reversed, the sticking side gear 41 is rotated counterclockwise as shown by the broken arrow, and at this time the third one-way clutch 42 is locked. Therefore, the pressure roller 7 is connected to the motor 3
When 5 is rotated in the reverse direction, the rotational force is transmitted to cause the rotation in the counterclockwise direction. As described above, the heat generating part 19 of the plate heater 18 is pressed against the pressure roller 7 from above, so when the pressure roller 7 is rotated, this and the heat generating part 19 of the plate heater 18 come into contact with each other. The photographic paper 30 inserted into the entrance side of the mating portion is transported toward the drive paper discharge roller 20 side in synchronization with the running of the laminated tape 29.

The fourth one-way clutch 44 is also locked when the motor 35 is reversed. That is, as described above, when the motor 35 is reversed, the third one-way clutch 42 is locked, so the drive pulley 50 fixed to the roller shaft 8 of the pressure roller 7 is rotated counterclockwise. Ru. As a result, the timing belt 52 is run, so that the reel-side puller 51 is rotated in the winding direction, and the discharge-side pulley 43 is rotated counterclockwise as shown by the broken line arrow. At times, the fourth one-way clutch 44 is locked. Therefore, the driving paper ejection roller 20
When the motor 35 is rotated in the reverse direction, the rotational force is transmitted through the fourth one-way clutch 44, causing the motor 35 to rotate in the reverse clockwise direction. That is, the driving paper ejection roller 20
Even if the motor 35 is rotated in either the forward or reverse direction and the transmission path is different,
They are made to rotate in the same direction.

When the motor 35 is rotated in the forward rotation direction, the drive paper feed roller 12, the driven paper feed roller 13, the drive paper discharge roller 20, the driven paper discharge roller 23, and the driven delivery roller 24 are rotated in the predetermined rotation direction. Because it is rotated, this causes the photographic paper 3
The following operations are performed: feeding paper to the pressure roller 7 side, transferring the paper to the paper discharge guide plate 28 side, and sending the paper out of the apparatus. Furthermore, when the motor 35 is rotated in the reverse direction, the pressure roller 7, take-up reel 32, drive paper discharge roller 20, driven paper discharge roller 23, and driven delivery roller 24 are rotated in a predetermined rotation direction. , whereby the photographic paper 30
The operations of pasting the laminate film onto the sheet, transferring it to the sheet discharge guide plate 28, and sending it out of the apparatus are performed.

Reference numerals 53 and 53' denote photographic paper insertion sensors, which detect that the photographic paper 30 has been inserted to a predetermined insertion position, and the motor is activated in accordance with this detection signal. 35 is adapted to be driven in normal rotation.

Reference numerals 54 and 54' denote paper feeding completion sensors, and these paper feeding completion sensors 54 and 54' cause the photographic paper 30 to be placed at a predetermined paper feeding position, that is, the leading edge of the photographic paper 30 is positioned between the pressure roller 7 and the plate heater 18. It is detected that the motor 35 has been moved to a position where it is inserted into the inlet side of the part where the heat generating part 19 contacts each other, and in accordance with this detection signal, the normal rotation of the motor 35 is stopped and the normal rotation is stopped at a predetermined timing. This causes the motor 35 to rotate in reverse.

Reference numerals 55 and 55' indicate film sensors, which allow the laminate tape 29 to be
The small detection hole 29c is detected, indicating that the laminate film 29b of the laminate tape 29 has come to the predetermined preparation position, and in accordance with this detection signal, the reverse rotation of the motor 35 is stopped, and
The motor 35 is now driven in normal rotation again.

Reference numerals 56 and 56' designate photographic paper discharge sensors, and when it is detected that there is no photographic paper 30 on the paper discharge guide plate 28, the motor 35 is activated unless the next photographic paper 30 is inserted. is forced to stop.

Furthermore, these sensors 53, 53', 54, 5
4', 55, 55' and 56, 56', for example,
A so-called photo sensor is used, which consists of a light projector and a photoreceiver that receives the light projected from the light projector and generates a predetermined electrical signal. The position of is now detected.

Further, 57 is a static eliminating brush, which is used to remove static electricity charged on the laminate tape 29.

And each of the above-mentioned sensors 53, 53', 54,
A system controller (not shown) controls the rotation of the motor 35 based on the detection signals 54', 55, 55', 56, 56', etc.

However, the photographic paper 30 inserted from the insertion slot 3
The operation until the paper is sent out from the paper discharge port 5 is performed as follows.

That is, when the photographic paper 30 is inserted from the insertion slot and its leading end reaches between the photographic paper insertion sensors 53 and 53', the motor 35 is rotated in the forward direction, and the drive paper feed roller 12 and the driven paper feed roller The roller 13, the driving paper discharge roller 20, the driven paper discharge roller 23, and the driven delivery roller 24 are each rotated in the predetermined direction. In this state, the pressure roller 7 and the take-up reel 3
2 is not rotated. When the leading end of the photographic paper 30 is inserted into the inlet side of the portion where the driving paper feed roller 12 and the driven paper feed roller 13 contact each other, the photographic paper 30 is moved toward the pressure roller 7 side by the rollers 12 and 13. be transported towards.

At this time, the previously pasted photographic paper is transferred from the pressure roller 7 to the driven feed roller 24.
If the photographic paper remains on the transport path leading to the paper, the remaining photographic paper is sent out of the apparatus at the same time as the paper feeding described above.

When the leading edge of the photographic paper 30 reaches between the paper feeding completion sensors 54 and 54', the system controller counts a certain period of time, and when the count ends, the rotation of the motor 35 is stopped. With this, photographic paper 3
0 is inserted into the inlet side of the part where the pressure roller 7 and the heat generating part 19 of the heater 18 contact each other, and the drive paper feed roller 12, the driven paper feed roller 13, the drive paper discharge roller 20, and the driven The rotation of the paper ejection roller 23 and the driven delivery roller 24 is stopped.

When the photographic paper 30 reaches a predetermined paper feeding completion position, the drive paper feed roller 12 is stopped, so even if you try to insert the next photographic paper, the stopped drive paper feed roller 12 and the driven paper feed roller 12 are stopped. roller 1
5 prevents its insertion. Therefore, the pasting work is performed for each sheet of photographic paper.
After the motor 35 is temporarily stopped as described above, a temperature detection sensor (not shown) provided in the heater 18 detects that the heat generating part 19 of the heater 18 has reached a predetermined temperature at which the adhesive can be attached. Then, the motor 35 is reversed. As a result, the pressure roller 7 and the take-up reel 32 are rotated in a predetermined direction, and the drive paper discharge roller 20, driven paper discharge roller 23, and driven delivery roller 24 are restarted to rotate.

However, photographic paper 30 and laminating tape 2
The laminate film 29b attached to the photographic paper 30 is superimposed and transported integrally toward the paper discharge port 5, and during this time, the laminate film is affixed to the photographic paper 30 as described above. Ru.

Then, when the laminated tape 29 reaches the approximate midpoint between the pressure roller 7 and the drive paper discharge roller 20, the direction is changed upward at an acute angle by the tape guide roller 34, so that the base film 29a and the laminated film are separated from each other. 29b is separated.

Thus, the film sensors 55, 55' detect the rear end of the attached photographic paper 30 fed out from the pressure roller 7, and
That the laminate film 29b has come to a predetermined position, that is, the small detection hole 2 of the laminate tape 29
When it is detected that the film 9c has come to the position of the film sensor 55, 55', the reverse rotation of the motor 35 is stopped, and then the motor 35 is rotated in the normal direction. As a result, the pressure roller 7 and the take-up reel 3
2 is stopped, the drive paper discharge roller 20, the driven paper discharge roller 23, and the driven delivery roller 24 continue to rotate, and the rotation of the drive paper feed roller 12 and the driven paper feed roller 13 is restarted. Therefore, the photographic paper 30 to which the laminate film 29b has been pasted is guided onto the paper ejection guide plate 28 by the driving paper ejection roller 20 and the driven paper ejection roller 23, where it is guided in its transport direction as described above. is automatically reversed, and is sent out of the apparatus 1 from the paper ejection port 5 by the driving paper ejection roller 20 and the driven delivery roller 24.

Note that if the next photographic paper is inserted from the photographic paper insertion slot 3 while the pasted photographic paper 30 is being ejected in this way, the photographic paper will be inserted into the rotating drive. It is transferred to the pressure roller 7 side by the paper feed roller 12 and the driven paper feed roller 13, but when this photographic paper is inserted, the photographic paper 30 inserted first has already been transferred beyond the pressure roller 7. Since it is on the path, there is no problem even if the next photographic paper 30 is inserted before the previous photographic paper 30 is sent out of the apparatus.

Effects of the Invention As is clear from the above description, in order to achieve the above object, the first sticking device of the present invention uses a heat-activated adhesive to bond a plurality of films or sheets together. A device for pasting, characterized in that a plate heater whose heat generating part is flat is brought into contact with a roller in a pressure-bonded manner, and the film or sheet is passed between the plate heater and the roller. .

The second sticking device of the present invention is a device that sticks two films or sheets together using a heat-activated adhesive, and includes a plate heater whose heating part is flat and a roller. contact in a crimped manner,
The present invention is characterized in that the travel path of the film or sheet is bent to one side at an obtuse angle immediately after passing between the plate heater and the roller.

Therefore, according to the first pasting device of the present invention, since a plate heater is used as the heating means, the heat capacity can be reduced, and the start-up time from turning on the power to starting pasting can be significantly shortened. In addition, there is no need to keep the electricity on all the time, which saves energy and shortens the adhesion time.

Furthermore, since heat is not applied except when necessary, the laminate tape as described above can be left on and the pasting operation can be fully automated.

Furthermore, since there is no component such as a heat roll that significantly raises the surrounding temperature, there is no need to use heat-resistant parts, and manufacturing costs can be reduced.

Furthermore, according to the second pasting device of the present invention, the pasted film or sheet can be bent in a direction that has a lower shrinkage rate upon cooling immediately after pasting is completed. Then, when the temperature reached room temperature,
It can be made to be in a straight state.

[Brief explanation of the drawing]

The drawings show an example of the implementation of the sticking device of the present invention, and FIG. 1 is a side view showing the main parts of the sticking device;
Figure 2 is a perspective view showing the main parts of the pasting device, Figure 3 is a sectional view taken along the - line in Figure 1, and Figure 4 is the rotation direction of the gear when the motor is rotated in a predetermined rotation direction. FIG. 5 is a plan view showing a part of the laminated tape, FIG. 6 is an enlarged side view of the main part, and FIG.
The figure is a side view showing the operation of the second sticking device of the present invention, FIG. 8 is a side view of the main parts showing an example of the conventional sticking device, and FIG. 9 is a side view showing the problems caused by the conventional sticking device. FIG. Explanation of symbols: 1... Sticking device, 7... Roller, 18... Plate heater, 19... Heat generating part, 29b... Film or sheet, 30... Film or sheet.

Claims (1)

[Scope of Claims] 1. A device for pasting a plurality of films or sheets with a heat-activated adhesive, in which a plate heater having a flat heat-generating portion is brought into contact with a roller in a pressure-bonding manner. A pasting device characterized in that the above film or sheet is passed between a plate heater and a roller. 2 A device for pasting two films or sheets together using a heat-activated adhesive, in which a plate heater whose heat-generating portion is flat is brought into contact with a roller in a pressure-bonding manner, and the running path of the film or sheet is determined. A pasting device characterized in that the pasting device is bent in one direction at an obtuse angle immediately after passing between the plate heater and the roller.