JP3036866B2 - Laminating equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method in which an object to be laminated is sandwiched between upper and lower heat-reactive laminate films and pressed and heated, whereby the object to be laminated is sealed with the laminate film and subjected to lamination. It relates to a laminating apparatus.

[0002]

2. Description of the Related Art Heretofore, there has been known a laminating apparatus in which the front and back sides of a sheet-like laminating object are wrapped in a laminate film, and the laminating process is performed to improve the appearance and the storability of the laminating object.

FIG. 10 shows an example of a conventional laminating apparatus.

In FIG. 1, an upper laminate film roll 101a formed by winding a thermally responsive upper laminate film 102a and a lower laminate film roll 101b formed by winding a lower laminate film 102b are provided in an apparatus main body 100, respectively. It is arranged. Each laminated film roll Laminated film roll 10
Laminated film 10 peeled from 1a, 101b
2a and 102b are wound around pressure / heating rollers 103a and 103b, which are in pressure contact with each other, and are superimposed on each other and are given tension by pull rollers 105a and 105b. Pressing / heating roller 1
Heaters 106a and 106b for heating the rollers are accommodated in the insides 03a and 103b, respectively.

[0005] An object 110 to be laminated is set from a sheet supply table 109 provided on the upstream side of the pressurizing / heating roller pair 103, and the upper and lower laminated films 102a, 102a.
b is inserted into the nip of the heaters 106a and 106b, which is the junction of b. The object to be laminated 110 is sandwiched by being pressed and heated by a pair of pressure and heating rollers 103 so as to be wrapped by the upper and lower laminated films 102a and 102b, and conveyed outside the machine by a pair of pull rollers 105. The rear ends of the laminated films 102a and 102b and the object to be laminated 110 are cut by a cutter unit 111 provided on the downstream side of the pull roller pair 105.

An operation unit 113 is provided at the upper part of the apparatus main body 100.
The operation unit 113 has switches 115 and 11 for manually setting the transport speed of the laminate films 102a and 102b and the pull roller pair 105 and the outer peripheral temperature of the pressurizing / heating roller pair 103, respectively.
6 are provided.

[0007]

However, in the above-mentioned conventional laminating apparatus, when laminating the object to be laminated 110 continuously, the first object to be laminated 110 is visually observed by an operator. After confirming that
After confirming that, the intervals between the lamination objects 110 for inserting the next lamination object 110 into the laminating apparatus are not constant but become wider than necessary, and needless laminate films 102a and 102b are required. There are drawbacks.

The laminated films 102a, 102
In order to reduce the waste length of b, before confirming that the first laminating object 110 has been subjected to lamination processing, if the next laminating object 110 is inserted into the inside of the apparatus, the first and second sheets will overlap. There was a drawback of causing a problem of lamination.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a laminating apparatus in which the interval between laminating objects inserted continuously is kept constant to eliminate waste of a laminate film and overlap of laminating objects. Is what you do.

[0010]

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and has a heat-reactive upper and lower laminate film that sandwiches and wraps a sheet-like laminated object from above and below. Pressurizing and heating means for pressurizing and heating the laminated film sandwiching the object to be laminated to hermetically seal the object to be laminated;
Conveying means for conveying the object to be laminated to heating means, and cutting means for cutting the laminated film on the downstream side of the pressurizing and heating means,
Discharging means for discharging the cut laminate film,
A first detection sensor and a second detection sensor which are sequentially arranged on the upstream side of the pressure / heating means, and the second detection sensor is sent to the pressure / heating means. When the first detection sensor detects the next lamination target in a state where the lamination target is detected, after a lapse of a predetermined time from the detection of the lamination target by the second detection sensor, the transport unit A control unit for controlling the next lamination target to be conveyed to the pressurizing / heating unit and performing a laminating operation continuously,
It is characterized by having.

In a state where the second detection sensor detects the object to be laminated sent to the pressurizing / heating means by the transfer means, the first detection sensor detects the next object to be laminated. When there is no such condition, the control unit controls the laminated film to be cut by the cutting means after a lapse of a predetermined time since the second detection sensor detects the rear end of the object to be laminated.

[0012]

According to the above construction, when the first object is detected by the first detecting sensor, the object to be laminated is conveyed to the pressurizing / heating means by the conveying means. It is detected by the second detection sensor.

When the next object to be laminated is detected by the first detection sensor in a state where the conveyed object to be laminated is detected by the second detection sensor (that is, continuous lamination processing), After a lapse of a predetermined time from the detection of the rear end of the object to be laminated by the second detection sensor, the next object to be laminated is conveyed to the pressurizing / heating means by the conveying means, and the laminating process is continuously performed.

When performing the continuous laminating process, the objects to be laminated are not cut by the cutter unit 17, and the laminated sheet that has been subjected to the laminating process is continuously discharged outside the machine.

[0015] Thereby, the intervals between the objects to be laminated to be continuously laminated are kept constant, and the waste of the laminate film and the waste of the lamination time due to the increase of the intervals or the lamination processing for each sheet are reduced. can do.

Further, when the previously supplied object to be laminated is sent to the pressurizing / heating means and detected by the second detection sensor, the first detection sensor does not detect the next object to be laminated. In the case where the lamination processing is not performed, that is, when the second detection sensor detects the rear end of the object to be laminated, the cutting means operates to cut a predetermined position of the laminated film after a lapse of a predetermined time.

[0017]

[0018]

An embodiment of the present invention will be described below with reference to the drawings.

In FIGS. 1 and 2, the apparatus body 1 is shown in FIG.
As shown in the figure, a lower main body R3, and an upper laminate portion R rotatably attached to the lower main body R3 by the support shaft 2.
1 and a paper feed unit R pivotally supported by a lower main body R3 by a support shaft 3.
It consists of two. A laminating film roll 5a in which a laminating film 6a is wound in a roll shape is disposed in the laminating section R1, and the laminating film 6 peeled off from the laminating film roll 5a is provided.
a is wound around a tension roller 7a, a preheat roller 9a, and a pressure / heat roller 10a. A laminating roll 5b in which a laminating film 6b is wound in a roll shape is disposed on the lower main body R3. The laminating film 6b peeled off from the laminating film roll 5a includes tension rollers 7b and 7c, and a pre-heat roller 9b. And is wound around a pressure / heating roller 10b which is in pressure contact with the pressure / heating roller 10a.

The tension rollers 7a and 7c are formed by laminating the laminated films 6a and 6b with the preheat rollers 9a and 9c.
b at a fixed length and a preheat roller 9
This is a film holding roller for preventing the lamination of the laminated films 6a and 6b between the rollers a and 9b and the pressurizing / heating rollers 10a and 10b and preventing the laminated films 6a and 6b from adhering to each other. The laminating roll 5b, the tension rollers 7b, 7c, and the like constitute a laminating film roll unit X in which the laminating roll 5b can be detachably attached to the apparatus main body 1.

At the center of the preheat rollers 9a and 9b, preheaters 12a and 12b for heating the rollers are provided.
The laminating heaters 13a and 13b for heating the pressure and heating rollers 10a and 10b are housed in the center of the rollers. The above preheat roller 9
The surface temperatures of a and 9b are detected by a pre-heat roller temperature sensor 55 shown in FIG. 8, and the surface temperature of the pressure / heating roller pair 10 is detected by a pressure / heating roller temperature sensor 56, respectively.

On the upstream side of the pressurizing / heating roller pair 10, there is provided a sheet feeding table 21 on which an object 20 to be laminated is set, and an upper guide 2 which forms a sheet feeding path 22 together with the sheet feeding table 21.
3 are provided. A pickup roller 25 that can freely move toward and away from the paper feed table 21, and a shutter member 26 that regulates the tip of the lamination target 20 to be inserted are provided at the insertion opening 22 a of the paper feed path 22. Further, between the pickup roller 25 and the shutter member 26, first detecting means (first detecting sensor) 27 for detecting the feeding of the inserted laminating object 20 is provided, A second detection sensor 29 for detecting the conveyance and the rear end of the object 20 to be laminated between the heating roller pair 10;
Are arranged.

An upper roller 15a and a lower roller 15b, which are in pressure contact with each other, are located downstream of the pressure / heat roller pair 10.
Is provided, and the laminating films 6a and 6b that have joined at the pressurizing / heating roller pair 10 and an object 20 to be laminated, which will be described later, are pulled in the arrow 16 direction.
Downstream of the pull roller pair 15, a cutting means (hereinafter referred to as a cutter unit) 17 and a discharge roller 19 are sequentially arranged. The cutter unit 17 includes a cutter 17a, which is a rotary blade as an upper blade, and a die 17b, and cuts the rear ends of the laminated films 6a and 6b and the object 20 to be laminated.

Next, the load applied in the direction in which the laminate films 6a and 6b are pulled out (the direction of arrow 16) will be described with reference to FIG.

In FIG. 3A, the laminate film 6
“a” is wound around a core metal 30a to form a laminate film roll 5a. The roll shaft 31a on which the core metal 30a is rotatably mounted is supported via a tension adjusting nut 33 screwed to a side plate 32 of the laminating apparatus. A tension spring 35 is interposed between the core metal 30a and the tension adjusting nut 33, and the load of the laminate film roll 5a in the sheet pulling-out direction can be adjusted by the degree of closing of the tension adjusting nut 33. ing.

Here, the laminate film roll 5a
Is composed of a laminate film 6a having a first thickness. The laminating roll 5b shown in FIG. 3 (b) is composed of a laminating film 6b having a second thickness and has a core metal 30b.
It is wound around. The core 30a is formed in a straight shape, but a flange 30c is formed at one end of the core 30b. In the vicinity of the core of the side plate 32, a core identification switch 36 is configured. When the core identification switch 36 is OFF, the first core 3 is turned off.
0a is identified, and when it is ON, the second core 30b is identified.

Next, the mounting of the laminate film roll unit X to the laminating apparatus will be described with reference to FIG.

The laminating roll 5b described above is
Is mounted inside. The laminate film 6b is peeled from the peeling portion 5c of the laminate roll 5b, and is guided above the laminate film roll unit X via the tension rollers 7a and 7c. Near the downstream side of the peeling section 5c from which the laminate film 6b is peeled, the static elimination needle 40 held by a holding member 39 made of a leaf spring.
The free end of the static elimination needle 40 is in contact with the surface of the laminated film 6b immediately after peeling to remove static electricity generated at the time of peeling.

FIG. 4A shows the state of the laminated film 6b when the remaining amount of the film is large, and FIG. 4B shows the state of the laminated film 6b when the remaining amount of the film is small. The static elimination needle 40 is configured to always follow the back surface of the laminate roll 5b by the elasticity of the holding member 39, even if the position of the laminate film 6b changes due to the remaining amount of the film. The peeled laminate film 6b is always discharged by the discharge needle 40, thereby preventing the laminated film 6b from sticking to other metal parts and preventing the device from malfunctioning due to static electricity.

As shown in FIG. 2, the laminating film roll unit X to which the laminating film 6b is previously mounted is connected to the upper laminating section R1 of the laminating apparatus.
And the laminate unit R2 is opened and inserted into the apparatus from above. At this time, the laminate film roll unit X is connected to the rail 41 provided inside the lower body R3.
And can be easily mounted.

Next, the driving system of the laminating apparatus is shown in FIG.
This will be described below.

In the figure, the main motor 42 is fixed to the side plate 32 via a mounting member (not shown).
A motor gear 43 and a clock disk 45 are fixed to the output shaft. A pull roller gear 46 is fixed to the shaft end of the upper roller 15a of the pull roller pair 15, and meshes with the motor gear 43. The clock disk 45 has a plurality of slits (not shown). In the vicinity of the clock disk 45, a clock sensor 47 including a transmission type optical sensor for detecting the slit is provided. .

Next, the object 2 to be laminated according to the present invention
The operation when laminating 0 is described with reference to FIGS.

The object 20 to be laminated is placed on a sheet feeding table 21 (see FIG. 1), inserted into an insertion slot 22a, and the tip of the object 20 is abutted against a shutter member 26. When the lamination target 20 is detected by the first detection sensor 27, the shutter solenoid 49 (see FIG. 8) is turned on, and the shutter member 26 retreats from the sheet feeding table 21. At the same time, the pickup solenoid 50 is turned on, the pickup roller 25 is lowered, and the object to be laminated 20 is pressed at a constant pressure.

Thereafter, the pickup motor 51 is turned on and the pickup roller 25 starts rotating. The object 20 to be laminated is conveyed by the rotation of the pickup roller 25, and after a preset time has elapsed, the main motor 4
2 turns ON, and the pull roller pair 15 starts rotating. The laminate films 6a and 6b are pulled by the pull roller pair 15, and the pressurizing / heating roller pair 10 and the preheat rollers 9a and 9b are driven to rotate. The unbonded laminated films 6a, 6b are heated to a first temperature by preheat rollers 9a, 9b which have been preheated, and subsequently heated to a second temperature, which is constantly controlled to a constant temperature by a pair of pull rollers 15. Is done.

The object 20 to be laminated is sent to the nip portion of the pressure / heating roller pair 10 by the pickup roller 25, and the heated upper and lower laminated films 6a, 6a are heated.
The sheet is sandwiched between the rollers 6b and pressed and heated by the pressure and heating roller pair 10 to be laminated. After the pickup roller 25 is rotated under pressure for a preset time, the pickup solenoid 50 is actuated to activate the sheet feeding table 2.
1 from above, and furthermore the OF of the pickup motor 51
The rotation is stopped by F.

When the second paper feed sensor 29 detects the rear end of the lamination target 20 and the first detection sensor 27 does not detect the next lamination target 20, the second detection sensor 29 After detecting the rear end of the object 20, the clock sensor 47 starts counting the number of slits of the clock disk 45. After the distance from the second detection sensor 29 to the cutter unit 17 is measured, the main motor 42 is turned off, and the transfer of the lamination target 20 after the lamination processing is stopped.

At the same time, the cutter motor 52 is turned on,
The rear ends of the continuous laminated films 6a and 6b which seal the object 20 to be laminated are cut by the cutter 17a. The cut laminate sheet is discharged by a discharge roller 19 to a discharge tray (not shown) outside the apparatus.

In the laminate sheet obtained at this time,
In this state, the object to be laminated 20 having a length L from the pressurizing / heating roller pair 10 to the cutter unit 17 shown in FIG. 1 is held in front of untreated extra laminated films 6a and 6b. Therefore, when laminating the lamination target 20 one by one, wasteful lamination films 6a and 6b having the length L described above are generated.

Next, a case in which a plurality of lamination objects 20 are continuously laminated will be described. FIG.
As shown in (a), when the first lamination target 20a is supplied, the operator inserts the insertion opening so that the second lamination target 20b overlaps the first lamination target 20a. 22a. At this time, the leading end of the second lamination target 20b abuts on the shutter member 26 descending on the first lamination target 20a to prevent being taken in by the first lamination target 20a. I have.

When the second detecting sensor 29 detects the second laminating object 20b and the first detecting sensor 27 detects the second laminating object 20b, the laminating apparatus of the main body performs a continuous laminating process. Recognize that there is.

When the continuous laminating process is recognized, the shutter solenoid 49 is turned on a predetermined time after the rear end of the first laminating object 20a is detected, and the shutter member 26 is retracted onto the sheet feeding table 21. Then, the pickup roller 25 descends and the second lamination object 20b
Is fed to the pressure / heating roller pair 10.

In the case of a continuous laminating process of a plurality of laminating objects 20, the above operation is repeated. When the second detection sensor 29 recognizes the rear end of the last lamination target 20e of the continuous lamination process and confirms that the next lamination target 20 does not exist by the first detection sensor 27, as described above, , The second detection sensor 2
After the lamination target 20e is detected in step 9 and conveyed by a predetermined distance, the main motor 42 is turned off to stop the lamination films 6a and 6b, and the predetermined position is cut by the cutter unit 17 and discharged out of the machine.

By performing the above operations, when laminating is continuously performed, extra unlaminated laminated films 6a and 6b having a length L exist only at the beginning of the laminated object 20 to be laminated. By simply doing so, the distance between the individual laminating objects 20 is constant, and a continuous laminated sheet without unnecessary waste can be obtained.

Thereafter, by cutting between the individual laminating objects 20 having been subjected to the laminating process, 1
Laminated sheets separated for each sheet can be obtained without wasting the laminated films 6a and 6b.

Next, the control and operation of the laminating apparatus will be described with reference to the block diagram of FIG.

In the figure, the control operation is performed by ROM, RAM
It is composed mainly of a well-known one-chip microcomputer (hereinafter referred to as MCOM) 60 incorporating
The input ports P0 to P5 of the MCOM 60 are respectively provided with the paper feed sensors 27 and 29 for detecting the presence or absence of the lamination target 20 on the paper feed table 21 and the thermistors for measuring the surface temperatures of the preheat rollers 9a and 9b. Pre-heat roller temperature sensor 55 configured, pull roller pair 15
Pressure / heating roller temperature sensor 5 for measuring the surface temperature of the roller
6, the cores 30a, 30 of the laminated films 6a, 6b
Signals such as a cored bar identification switch 36 for identifying b and the thickness of the laminated films 6a and 6b, a clock sensor 47 for counting the amount of rotation of the main motor 42 and the amount of movement of the peripheral surface of the pull roller pair 15, and the like are input. You.

The output ports F0 to F7 have ON / OFF operations of the shutter member 26,
ON / O of the pick-up solenoid 50 for applying a constant pressure to the lamination target 20 from the retreat position
FF operation, ON / OFF operation of the pickup motor 51 for rotating the pickup roller 25, lamination heater 13a for heating the laminate films 6a, 6b,
13b ON / OFF operation, preheaters 12a and 12b for keeping the surface temperature of the pressure / heating roller pair 10 constant
ON / OFF operation, ON / OFF operation of the cutter motor 52 for cutting the laminated sheet after lamination from the continuous laminated films 6a and 6b, and notify the operator of the reception of the lamination target 20 (document) to perform the laminating operation. Original detection display 53 to inform entry
Are output.

The reading of the input signal or the ON / OFF operation of the load and the control of each set value are executed in accordance with a program stored in a ROM in the MCOM 60.

Next, control of the roller surface temperature of the pre-heat rollers 9a and 9b and the pull roller pair 15 will be described with reference to the flowchart of FIG.

In the figure, the main switch SW is turned on.
Then (S201), the surface temperature of the pressure / heat roller pair (laminate roller) 10 is detected by the pressure / heat roller temperature sensor 56, and this temperature is compared with a preset temperature (S202). If the detected temperature is lower than the set temperature, the lamination heaters 13a and 13b are turned off.
N (S203), and when the temperature reaches a predetermined temperature, the heaters 13a and 13b are turned off.

Next, the surface temperature of the preheat rollers 9a and 9b is detected by a preheat roller temperature sensor 55,
The temperature is compared with a preset temperature (S204). This set temperature is set according to the film thickness based on the information from the core bar identification switch 36. If the detected temperature has not reached the set temperature, the preheaters 12a and 12b are turned on (S205), and when the surface temperature has reached a predetermined temperature, the preheaters 12a and 12b are turned off. Thus, the temperature adjustment of the pre-heat rollers 9a and 9b and the pull roller pair 15 is completed.

Next, it is determined whether or not there is an object (original) 20 to be laminated in the paper feed path 22 of the paper feed table 21 by the paper feed sensor 2.
Check based on the information of 7, 29. When there is no lamination object 20, the temperature is adjusted again. If there is an object 20 to be laminated, only the temperature control of the pull roller pair (laminate roller) 15 is performed (S207, S2).
08).

Based on the information of the paper feed sensors 27 and 29, it is determined whether or not the lamination is completed by capturing the rear end of the lamination target 20 (S209). If the object 20 to be laminated exists, a pressure / heating roller pair (laminate roller)
The temperature control of step S10 is performed (S207, 208), and if there is no temperature control, the temperature of the pressure / heating roller pair 10 and the preheat rollers 9a, 9b is adjusted again (S202, S202).
S204).

In this embodiment, a first detection sensor 27 and a second detection sensor 29 are provided on the upstream side of the pressure / heating roller pair 10 of the laminating apparatus, respectively.
One or a plurality of laminating processes are automatically identified by ON / OFF of 7, 29, and the length between the laminating objects 20 is made constant by the pickup roller 25. Depending on the needs of the operator, it may be more convenient to change the length between the lamination objects 20 individually.

Therefore, the interval of the transport operation of the pull roller pair 15 is made variable by a volume (not shown) provided in the apparatus operation section, and the length between the lamination objects 20 is adjusted by adjusting the volume by the operator. Arbitrary settings may be made.

[0057]

As described above, according to the present invention,
A first detection sensor and a second detection sensor are sequentially arranged on the upstream side of the pressurizing / heating means for laminating the object to be laminated, and the second detection sensor on the downstream side sets the rear end of the object to be laminated. When the first detection sensor detects the next object to be laminated in the detected state, a predetermined time has elapsed after the second detection sensor has detected the rear end of the object to be laminated, and then the next object to be laminated is detected. To the pressurizing and heating means, the length of the distance between the respective lamination objects can be kept constant, and the laminating film generated by the continuous laminating operation visually by the operator as in the conventional apparatus. It is possible to greatly reduce the generation of the waste length, and to perform a reliable lamination operation.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional side view of a laminating apparatus to which an embodiment of the present invention is applied.

FIG. 2 is a side view of a longitudinal section in a state where an upper laminating section and a paper feeding section are also opened when a laminate film is mounted.

FIG. 3 is a sectional front view showing a main part of a laminate film roll unit.

FIG. 4 is a vertical sectional side view of the laminate film roll unit.

FIG. 5 is a development view showing a drive system of the laminating apparatus.

FIG. 6 is a vertical sectional side view of a sheet feeding unit and a detection sensor unit for detecting an object to be laminated.

7 is an operation diagram of the device shown in FIG. 6;

FIG. 8 is a block diagram for controlling the laminating apparatus of the present invention.

FIG. 9 is a flowchart for explaining temperature control of a pre-heater and a lamination heater.

FIG. 10 is a vertical side view showing an example of a conventional laminating apparatus.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Apparatus main body R1 Laminating part R2 Laminating part R3 Lower main body X Laminating film roll unit 5a, 5b Laminating film roll 6a, 6b Laminating film 9a, 9b Preheat roller 10 Pressurizing / heating means (Pressurizing / heating roller pair) 15 Pull roller pair 17 Cutter unit 17a Cutter 17b Die 20 Object to be laminated (document) 25 Transport means (pickup roller) 27 First detection sensor 29 Second detection sensor 60 Control unit

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-61-195841 (JP, A) JP-A-63-170233 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) B29C 63/00-63/48

Claims (2)

(57) [Claims] 1. A heat-reactive upper and lower laminate film for sandwiching and enclosing a sheet-like laminated object from above and below, and a laminate film sandwiching the laminated object by pressing and heating. Pressurizing / heating means for hermetically sealing the object to be laminated, conveying means for conveying the object to be laminated to the pressurizing / heating means, and performing the laminating process downstream of the pressing / heating means. In a laminating apparatus having cutting means for cutting a laminated film, and discharging means for discharging the cut laminated film, a first detection sensor and a second detection sensor which are sequentially arranged upstream of the pressurizing / heating means And the first detection sensor detects the next lamination in a state where the second detection sensor detects the lamination target sent to the pressurizing / heating means. When a target object is detected, after a lapse of a predetermined time from the detection of the lamination target object by the second detection sensor, the next lamination target object is conveyed to the pressurizing / heating means by the conveying means, and lamination is performed. And a control unit that controls the operation to be performed continuously. 2. A state in which the second detection sensor detects an object to be laminated sent to the pressurizing / heating means by the transfer means, and the first detection sensor detects a next object to be laminated. The controller according to claim 1, wherein when there is no laminating object, after a lapse of a predetermined time from the detection of the lamination target by the second detection sensor, the control unit controls the laminating film to be cut by the cutting unit. Laminating equipment.