JP3409052B2 - Secret label sticking 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 secret label sticking device for sticking a hot-melt type secret label to a government postcard or a private postcard in a sheet state, and more particularly to one postcard before sticking. It is designed to be fed out in a state where they are reliably separated.

[0002]

2. Description of the Related Art In recent years, a secret label has been attached to a portion where confidential information is written such as notification of insurance amount, tax, etc., the information is hidden in the middle of mailing, and after the authorized recipient receives it. A postcard has been developed in which the secret label can be easily peeled off so that the information can be viewed. There are two types of secret labels: an adhesive type that is attached by the adhesive force of the adhesive layer formed on the back side, and a hot melt type that applies an adhesive that melts when heated to the back side and heat-presses it. Since it must be peeled off from the release paper and attached to the postcard, it is not suitable for mechanical processing. In addition, the adhesive type causes various problems such as a problem of discarding the release paper, an increase in the cost of the release paper, and a problem that the number of labels decreases with the same diameter when wound on a coil. For this reason, hot-melt type secret labels have been attracting attention in order to perform a large number of processes in a short time. A conventional label sticking device for sticking this hot-melt type secret label to a postcard is disclosed in, for example, Japanese Patent Laid-Open No. 1-294419, in which a coil around which a series of secret labels are wound has a horizontal axis. The continuous label that is detachable to the size of the official postcard is transported in the horizontal direction, the secret label unwound from the coil is cut into a predetermined length with a cutter, and the secret label is fed during the transfer. In general, a structure in which a secret label is attached to a postcard by superposing it at a position and passing it between heating and pressurizing devices has been adopted.

[0003]

The above-mentioned conventional label sticking apparatus has a structure in which postcards, which are pasted materials, are sent in the form of continuous paper, so that a label is stuck to a sheet such as a postcard manufactured by a government. It cannot be processed. Further, postcards in a sheet state are piled up and stored in a storage portion, a delivery roll provided at an outlet portion of the storage portion is provided, and a pair of overlapping prevention rolls having different rotation directions are provided downstream of the delivery roll. The postcards in the storage section are fed out by the rotation of the feeding rolls, and the postcards fed out by the rotation of the overlap prevention rolls are separated one by one. It is possible to prevent postcards from overlapping by simply setting the roll interval to a predetermined interval. However, since private postcards do not necessarily have the same thickness when they are made by different manufacturers or types, it is not possible to reliably separate the postcards one by one with the conventional overlap prevention roll.
Also, if the interval of the overlap prevention rolls is simply configured to be increased or decreased, the thickness of the postcard must be measured each time using the measuring instrument or gauge when adjusting the interval, and the error at the time of measurement must be measured. And the habit of the person who measures it also affects. The thickness of postcards varies from one sheet to another. Therefore, it is desirable to develop a secret label sticking device that can easily adjust the roller interval according to the postcard used and can set the optimum interval even if there is some variation in the thickness of each sheet. It was rare.

[0004]

SUMMARY OF THE INVENTION The present invention has been proposed in view of the above circumstances, and a first postcard storage section for storing sheet-like postcards to be pasted together is stored, and a postcard to which the pasting is performed is stored. A second postcard storage section, a transport mechanism disposed in the middle of a postcard transport path formed between the exit of the first postcard storage section and the entrance of the second postcard storage section, and a transport mechanism for transporting the postcard; The heating and pressurizing mechanism arranged on the way, the label sending mechanism for superposing the label on the postcard in the middle of the conveying path, the first postcard storing section disposed at the outlet of the first postcard storing section In a secret label sticking device provided with a feeding member that is fed to a conveying path, and a pair of overlapping prevention rolls that are arranged on the downstream side of the feeding member with a postcard conveying path interposed therebetween and have different rotation directions Leave one of the prevention rolls fixed to the main body The position of the roll with respect to the transport path is fixed, and the adjustment lever is pivotally attached to one side of the postcard transport path in a swingable state by a support shaft, and the other of the overlap prevention rolls is supported by the adjustment lever to thereby support the roll. was a back-and-forth movement can in a direction crossing the postcard conveying path, while Ru provided movable clamping portion to the adjusting lever, solid to face the movable Dokyo lifting unit
The fixed gripping part is fixed to the main body side and is provided between both gripping parts.
The specified number of sheets can be overlapped and pinched, and the distance from the spindle to the movable nipping part is set to be several times longer than the distance from the spindle of the adjustment lever to the other roll, and clamp means is provided on the adjustment lever. is there.

[0005]

[Operation] When the adjusting lever swings, the distance between the overlapping prevention rolls increases and decreases, and the distance between the movable holding portion and the fixed holding portion increases from the spindle to the overlapping prevention roll and from the spindle to the movable holding portion. Depending on the ratio of the distance, it is enlarged several times and increases or decreases. Therefore, when a predetermined number of postcards are overlapped and sandwiched between the movable nipping portion and the fixed nipping portion and the angle of the adjusting lever is determined, the interval of the overlap prevention rolls is set to an optimal interval according to the thickness of the postcard. . Moreover, only a specified number of postcards
As it is sandwiched and sandwiched, there is some variation in the thickness of each sheet.
However, this variation is canceled out. When the interval of the overlapping prevention rolls is set to the optimum interval, the forward roll sends the first postcard and the reverse roll even when the postcards delivered from the first postcard storage section by the delivery member are overlapped. Pushes back the second and subsequent postcards, and separates the delivered postcards one by one. The postcards separated into individual sheets are conveyed along the postcard conveying path by the action of the conveying mechanism, overlapped with the labels sent from the label sending mechanism in the middle, and the labels are passed when passing through the heating and pressing mechanism in this state. Is attached to the postcard, and the attached postcard is sent to and stored in the second postcard storage section.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of the secret label sticking device 1, and FIG. 2 is a plan view thereof. A secret label sticking device 1 shown in this drawing has a coil mounting portion 3 for mounting a coil wound with a series of secret labels in a state in which the coil is wound in the axial direction vertically on the front side of the upper surface of the main body 2 in the left-right center.
In the horizontal direction (front-back direction) in a state where a postcard before sticking is placed on one side (right side in the drawing) of the coil mounting portion 3
To form a second postcard storage section 5 that stores the first postcard storage section 4 that is stored on top of the other side (left side in the drawing) in a horizontal direction (front-rear direction) with the postcard that has been processed being set up on the other side. , First
A postcard transport path 6 is formed between the front end of the postcard storage unit 4 and the front end of the second postcard storage unit 5, and the postcards in the storage unit 4 are fed to the front end of the first postcard storage unit 4 one by one. A guide that guides the postcard to the second postcard storage section 5 at the tip of the second postcard storage section 5, and a transport mechanism that conveys the postcard sent out by the feeding mechanism to the postcard transfer path 6. Mechanisms are provided respectively, and between the coil mounting portion 3 and the postcard conveying path 6, the secret label unwound from the coil 7 is cut into a predetermined length and sent out to the overlapping position in the middle of the postcard conveying path 6. A mechanism is provided, and a heating and pressurizing mechanism is provided in the postcard conveying path 6 on the downstream side of the superposition section.

In FIG. 1, reference numeral 8 is a cover for covering the coil placed on the table, and a portion for closing the right side surface of the cover 8 functions as a guide plate 9 of the first postcard storage section 4,
The part that closes the left side surface functions as the guide plate 10 of the second postcard storage part 5.

Further, as shown in FIG. 4, a secret label 11 stuck by the secret label sticking apparatus 1 of the present invention has a concealing layer 13, a peeling layer 14 and a hot layer on the back surface of a substrate 12 such as paper or a synthetic resin sheet. The hot melt layer 15 is formed by forming the melt layer 15 and is adhered to the postcard 16 by being melted by heat, and the concealment layer 13 surely prevents the items described in the postcard 16 from being visually recognized. When the authorized recipient who receives the postcard 16 peels the secret label 11 from the peeling layer 14, the written matter can be read through the transparent hot melt layer 15. It should be noted that on the surface of the secret label 11, eye marks 17 for position detection are printed at predetermined positions at intervals of each sheet, or holes 18 are formed at predetermined positions.
Has been established.

On the other hand, the postcard 16 as the adherend is a postcard made by the government or a private postcard cut to a predetermined size, and each of them is a sheet of paper.

For convenience of explanation, first, a mechanism for cutting and sending a series of secret labels 11 one by one will be described. A table 19 for mounting and rotating the coil 7 is provided on the coil mounting portion 3 formed on the upper surface of the main body 2, and the table 19 is rotated by a motor inside the main body 2 so that the coil 7 can be appropriately unwound. . Then, the released series of secret labels 11 ... Is guided to the label delivery mechanism by being guided by the tension roll 20 and the guide roll 21 which are movable in the arrow direction in FIG. The tension roll 20 not only keeps the tension of the released series of labels almost constant, but when a large tension acts and moves to a predetermined position, the tension roll 20 supports the tension roll 20 and interlocks with the swinging arm rod 22. A switch (not shown) to be operated is turned on to start the motor of the table 19 so that the coil 7
Solve

The table 19 is rotatable in a normal state, and a label feeding mechanism, which will be described later, has a series of labels 11 ...
When you pull, the table 19 rotates and the coil 7 unravels,
Tension roll 2 when unwound length is sufficient
The mechanical brake is mechanically operated by a brake that operates in conjunction with the arm rod 22 of 0, or the electromagnetic brake is activated by a signal from a switch that is turned on / off at the position of the arm rod 22 to stop the rotation of the table 19. You may comprise.

In any of the configurations, when the size of the coil 7 to be placed (width of the secret label 11) is input by operating the operation section 23 of the operation panel, the table 19 moves up and down according to the size of the coil 7. Move. Further, by operating the operation unit 23 ... Of the operation panel, the cutting length of the label 11, that is, the left and right width in the state of being attached to the postcard 16, the attaching height of the label 11, the processing speed, etc. are set in the control device. This setting allows the guide 24 of the label feeding mechanism to move to a predetermined height and automatically perform necessary adjustments. For example, when the size of the label 11 is set, the table 19 and the lower guide portion of the guide 24 move up and down to adjust the position of the lower edge of the label 11, and the upper guide portion of the guide 24 moves up and down. It moves to a position corresponding to the upper edge of the label 11. Further, the heating temperature of the heating mechanism can be set to a temperature suitable for the conditions such as the characteristics of the hot melt layer 15 of the label 11.

The label feeding mechanism is arranged along a label traveling path formed in a direction intersecting the postcard conveying path 6 at an angle, and when described in order from the entrance side, two plate materials are opposed to each other. A label guide 24 and a label 11 for guiding at a set height through a series of labels 11 ...
A label position detector 25 for detecting the position of the label 11 by detecting the eye mark 17 or the hole 18 printed on the label, a pair of label feed rolls 26, 26, a cutter 27, and the cutter 2.
It is composed of a pair of label feeding belts 28, 28 and the like which feeds one label 11 cut by 7 between them. The label position detector 25, the drive motors for the label feed rolls 26, 26, the drive solenoid for the cutter 27, the drive motors for the label feed belts 28, 28, etc.
It is connected to a control device such as a microcomputer, and operates by a signal from this control device.

When the label position detector 25 detects the position of the label 11 by detecting the eye mark 17, the label feeding rolls 26, 26 rotating by a signal from the control unit feed a series of labels 11 ... Label 11,
The boundary of 11 (that is, the cutting position) is aligned with the cutter 27, and the feeding of the series of labels 11 ... Is temporarily stopped at this position. Then, the cutter 27 is actuated by a signal from the control device to cut the leading portion of the series of labels 11 ... To a predetermined length and separate it into one secret label 11. When the cutting is performed in this manner, the leading end portion of the separated label 11 is sandwiched between the label feeding belts 28, 28, so that the label feeding belts 28, 28 receive the label 11 by the signal from the control device. It is sent to the overlapping section of the postcard transport path 6. Since the label 11 must be superposed on the postcard 16 at a predetermined position, the label feed belts 28 and 28 operate in synchronization with the postcard feed mechanism described later under the control of the controller.

Next, the first postcard storage section 4 for stocking postcards 16 ... Before attaching the label 11 will be described. First
In the postcard storage unit 4, the upper surface of the main body 2 functions as a bottom surface on which the postcards 16 are placed, and the guide plate 9 on the right side of the cover 8 regulates the position on the left side of the postcards 16 ... The part 29 regulates the right side position of the postcards 16 ... And the postcard pressing mechanism sequentially sends the postcards 16 ...
The first postcard storage unit 4 shown in this embodiment can store about 2000 postcards 16 ...

In the postcard pressing mechanism shown in the drawings, the slit hole 3 is formed substantially at the center of the bottom surface of the first postcard storage portion 4 along the longitudinal direction.
0 is opened, the pressing portion 32 is fixed to the upper end of the leg portion 31 passed through the slit hole 30, and the pressing portion 32 is moved forward to press the postcard 16 ... The pressing portion 32
Any mechanism may be used to drive the, but for example, an endless belt is stretched inside the main body 2 in the longitudinal direction of the first postcard storage portion 4, and the lower end of the leg portion 31 is connected to this belt to connect the belt. The pressing portion 32 may be configured to move back and forth by being rotated by a drive motor, or a ball screw may be provided in the front and rear direction and the lower end of the leg portion 31 may be connected to a ball nut to move back and forth. You may comprise.

Further, in order to properly adjust the pressure for pressing the postcards 16 ... In this embodiment, a detector which is actuated by the movement of the feeding roll, which will be described later, is provided, and the drive motor is driven based on a signal from the detector. The on / off is controlled to adjust the pressing force of the postcard 16 ... Therefore, the frontmost postcard 16 of the postcards 16 ... Stored in the first postcard storage section 4 is always pressed forward by an appropriate force, and is delivered to the one-postcard delivery path 6 by the delivery mechanism.

The feeding mechanism comprises a feeding roll 33 as a feeding member provided at the tip of the first postcard storage section 4, that is, an outlet, and a pair of overlapping prevention rolls 34a and 34b provided on the downstream side of the feeding roll 33. Become. The feeding member is not limited to a roll and may be a belt. Further, the bottom surface of the first postcard storage section 4 is extended from the outlet to the entrance portion of the postcard transport path 6, and one side of the entrance portion of the postcard transport path 6 (the transport path 6 in this embodiment).
The bottom surface of the postcard 16 is set as the reference surface 35, and one edge of the postcard 16 (the lower edge in the present embodiment) contacts the reference surface 35. Then, the feeding roll 33 is pressed against the leading postcard 16 in the first postcard storage unit 4 while rotating (normally rotating) in the feed direction of the postcard 16, and the lower end edge of the postcard 16 contacts the reference surface 35. It adopts a configuration that sends it out while correcting it to an appropriate posture. In this embodiment, the postcard 16 is conveyed in an upright state, and the bottom surface of the conveyance path 6 is set as a reference for the height of the postcard 16, so the bottom surface of the conveyance path 6 is used as the reference surface 35. The surface 35 is not limited to this,
For example, when the postcard 16 is conveyed in the horizontal state, either the left or right side wall surface of the conveyance path 6 may be set as the reference surface 35.

In this embodiment, as shown in FIG. 6, a plate-shaped support member 36 extending in the direction of the transport path 6 is attached to the outlet of the first postcard storage section 4 by a shaft 37. A rotary shaft 33 'of the pay-out roll 33 is attached to the downstream side of 37 in the transport direction, and the rotary shaft 33' is inclined so that its end farther from the reference surface 35, that is, the upper end, is slightly tilted in the transport direction. Install in the state (for example, about 5 degrees tilted). The delivery roll 33 is disposed not at the center of the exit portion of the first postcard storage unit 4 but at the end portion near the transport path 6 side.
6 so as to be in contact with the end of the delivery side. Therefore, the shaft 37 of the support member 36 is located on the upstream side of the transport path 6 with respect to the rotary shaft 33 '.

Further, the support member 36 is provided with a working arm 38 which extends on the opposite side of the shaft 37 with the rotary shaft 33 'interposed therebetween.
A detector 39 such as a photosensor that operates depending on the position of the tip acting portion 38 'of the working arm 38 is provided in a fixed state on the main body 2 side, and a spring 40 is connected to a portion extending on the side opposite to the working arm 38. Then, the feeding roll 33 is moved to the first postcard storage unit 4
Of the male screw rod 41 that is urged toward the outlet side of the
The tip of the can contact the side edge of the extended portion. Therefore, the support member 36 can be swung in the horizontal direction about the shaft 37, and the swinging of the support member 36 causes the feeding roll 33 to intersect the transport path 6, in other words, the transport path 6.
On the other hand, it moves back and forth, and normally moves forward due to the biasing force of the spring 40, and when it advances the most, the extended portion of the support member 36 comes into contact with the male screw rod 41 and stops. Therefore, if the screwing length of the male screw rod 41 with respect to the female screw portion 42 on the main body 2 side is adjusted, the most advanced position of the feeding roll 33 can be finely adjusted.

When the feeding roll 33 moves back and forth due to the swinging of the support member 36, the action portion 38 'of the working arm 38 moves while being amplified more than the amount of forward and backward movement of the feeding roll 33.
That is, the action portion 38 'of the action arm 38 moves largely in proportion to the ratio of the length from the shaft 37 to the rotating shaft 33' and the length from the shaft 37 to the action portion 38 '. Therefore, even if the amount of movement of the pay-out roll 33 is extremely small, that is, the thickness of one postcard, the amount of movement of the action portion 38 'is expanded to several mm, and therefore the action portion 38' is operated. When the detector 39 is provided in a fixed state on the main body 2 side, the detector 39 can electrically detect the first state in which the feeding roll 33 has advanced and the second state in which it has retracted. The detector 39 is electrically connected to a control device that controls the drive motor of the pressing mechanism.

Therefore, the pressing mechanism can repeatedly operate and stop based on the signal from the detector 39 to press the postcards 16 ... In the first postcard storage section 4 to the outlet side with an appropriate pressure. That is, if the pushing force of the postcards 16 ... In the first postcard storage unit 4 is insufficient and the feeding roll 33 has advanced to the first state, the signal from the detector 39 that has detected this first state is returned. The drive motor is driven, which causes the first
The postcards 16 ... in the postcard storage section 4 are provided on the outlet side (feeding roll 33
Side). This pushing force causes the postcards 16 to move forward, and the frontmost postcard 16 slightly retracts the feeding roll 33 to increase the pushing force to a proper pressure, which is amplified and moved by the action portion 38 'of the detector. 39 detects the second state and sends a signal to the control device, which causes the control device to stop the drive motor and stop pressing in this state.
Therefore, the first postcard 16 is pressed against the delivery roll 33 with a pressure that provides a sufficient frictional force.

As described above, since the upper end of the feeding roll 33 is slightly inclined in the conveying direction, and the detector 39 detects the movement when it moves back and forth with respect to the conveying path 6, the pressing mechanism is controlled. When the leading postcard 16 in the first postcard storage unit 4 contacts the delivery roll 33, the postcard 16 is transported laterally, that is, in the transport path 6 by a frictional force with the peripheral surface of the rotating roll 33. In addition to receiving the force sent in the direction, the reference surface 3 of the transport path 6 receives the downward force.
Pushed down to 5. For example, as shown in FIG. 7, the postcard 16 with its lower edge floating from the bottom surface of the first postcard storage unit 4
Is sent to the earliest, the postcard 16 is delivered to the delivery roll 3
The postcard 16 that is pushed down to the reference surface 35 in the course of being fed by 3 and finally fed out is started to be conveyed in a regular posture at a predetermined height with the lower end edge of the postcard 16 contacting the reference surface 35.

When the delivery roll 33 sends out the first postcard 16 in the first postcard storage section 4 in this manner, the thickness of the laminated postcard 16 is reduced by the thickness of the sent postcard 16. As a result, the pressing pressure of the postcard 16 against the delivery roll 33 is reduced. Therefore, the feeding roll 33 is
It moves forward by about the thickness of one sent postcard and contacts the surface of the next postcard. Feeding roll 3 in this state
If 3 is in pressure contact with the postcard 16 with a sufficient pressure, the postcard 16 is sent out by the same action as described above. Then, when the feeding roll 33 advances until the contact pressure of the postcard 16 with respect to the feeding roll 33 is insufficient due to repeated feeding, the action portion 38 ′ acts on the detector 39 due to the swinging of the support member 36, and the detector 39 The drive motor of the pressing mechanism operates based on the signal. Therefore, the postcards 16 in the first postcard storage unit 4 ...
Is pressed against the pay-out roll 33 with a sufficient pressure.

When a sufficient pressure acts on the feeding roll 33, the feeding roll 33 retracts against the bias of the spring 40, the supporting member 36 swings in the opposite direction, and the acting portion 38 'moves largely. To do. Therefore, the control device stops the drive motor of the pressing mechanism in response to a signal from the detector 39 that detects this movement.

In this way, when the contact pressure of the postcard 16 in contact with the delivery roll 33 is properly adjusted, the posture of the frontmost postcard 16 is properly corrected by the rotation of the delivery roll 33 as described above. It is sent to the transport path 6.

Since the feeding roll 33 is provided at a relatively low position so as to come into contact with the lower portion of the postcard 16, it is prevented that the postcard 16 is pushed down too much or that the postcard 16 buckles or bends. be able to.

Next, the overlap prevention rolls 34a and 34b will be described. These overlapping prevention rolls 34a, 34b
Is a normal roll by rotating one roll 34a aligned with the feeding roll 33 in the transport direction of the postcard 16, and the other roll 34b provided on the opposite side across the transport roll 6 from the normal roll 34a is the postcard 16 The roll is a reversing roll that rotates in a direction opposite to the conveying direction, and the distance between the outer peripheral surfaces of both rolls 34a and 34b is set to a distance that allows only one postcard 16 to pass.
This interval needs to be adjusted according to the postcard 16 used, and is actually about 1.1 to 1.5 times the thickness of the postcard 16. For this reason, in the present embodiment, the shaft of the reversing roll 34b is fixed to the main body 2 side, and the shaft of the forward rotation roll 34a can be moved in the direction intersecting the transport path 6.

Specifically, as shown in FIG. 6, a horizontally elongated adjusting lever 44 is pivotally mounted on a support shaft 43 at one end thereof.
Is provided in the middle of the adjusting lever 44,
Of the adjustment lever 44, a fixing screw 45 is provided as a clamping means on the free end side of the adjusting lever 44, and a side surface on the free end side is slightly projected to form a movable holding portion 46. A position facing the movable holding portion 46. The fixed holding portion 47 is provided in the state of being fixed to the main body 2 side.

When the fixing screw 45 is loosened, the adjusting lever 44 can be swung about the support shaft 43. This swing increases or decreases the distance between the forward rotation roll 34a and the reversing roll 34b, and at the same time, the movement becomes movable. Holding part 46 and fixed holding part 4
The interval with 7 also increases or decreases. The rate of increase or decrease in these intervals is approximately proportional to the ratio of the distance from the support shaft 43 to the forward rotation roll 34a and the distance from the support shaft 43 to the movable holding portion 46. In other words, the increase / decrease in the distance between the rolls 34a, 34b is amplified according to the ratio of the distances and appears as the increase / decrease in the distance between the sandwiching portions 46, 47. Therefore, the number of postcards 16 ... Corresponding to this ratio are sandwiched between the movable holding portion 46 and the fixed holding portion 47, and the fixing screw 45 is tightened to adjust the adjustment lever 44.
When is clamped, the distance between both rolls 34a and 34b can be set as the optimum distance for the thickness of the postcard.

That is, when the postcards to be sandwiched (postcards to be actually applied) 16 ... Are thick, when a predetermined number of the postcards are stacked and sandwiched between the movable holding portion 46 and the fixed holding portion 47,
Both of the sandwiching portions 46 and 47 are wide open, and accordingly, the adjusting lever 44 is largely rotated about the support shaft 43, and the gap between the two rolls 34a and 34b is enlarged by this large rotation. On the other hand, when the thickness of the postcard 16 ...
Even if the same predetermined number of sheets are overlapped and sandwiched between the movable sandwiching portion 46 and the fixed sandwiching portion 47, the opening of both sandwiching portions 46, 47 becomes smaller than the above, and accordingly, the rotation of the adjusting lever 44 also becomes smaller, and both The distance between the rolls 34a and 34b is narrow according to the thin postcard.

In order to make the force for holding a predetermined number of postcards 16 by the movable holding portion 46 and the fixed holding portion 47 constant, the adjusting lever 44 is attached to the spring 4 in this embodiment.
8 is connected, and the movable holding portion 46 is biased toward the fixed holding portion 47 side by the biasing of the spring 48. Further, in the present embodiment, the postcard 1 is provided between the movable pinching part 46 and the fixed pinching part 47.
The distance between the support shaft 43 and the normal rotation roll 34a and the distance between the support shaft 43 and the movable holding portion 46 are set so that the interval between the rolls 34a and 34b can be set to an optimum gap by stacking 10 sheets of 6 ... It is set. Therefore, by inserting 10 postcards between the movable holding portion 46 and the fixed holding portion 47 in a stacked manner, and tightening the fixing screw 45 while both holding members 46 and 47 hold the postcard by the bias of the spring 48, The interval setting operation according to the thickness of 16 can be completed. Then, when this interval setting operation is completed, the sandwiched postcards 16 ... Are taken out, stored in the first postcard storage section 4, and provided for the sticking process.

As described above, the overlap prevention roll 34
When the distance between a and 34b is set, when one postcard 16 is delivered by the rotation of the delivery roll 33, the postcard 16 is conveyed through between the rolls 34a and 34b. On the other hand, when the postcards 16 ... Are overlapped and delivered by the rotation of the delivery roll 33, the postcard 16 in contact with the delivery roll 33 and the forward rotation roll 34a, that is, the leading postcard 16 of the first postcard storage unit 4 is The postcard 16 is pushed out in the conveying direction as it is and passes between the forward and reverse rolls 34a and 34b, but the postcard 16 that is fed out overlapping the postcard 16 is pushed back when it comes into contact with the reverse roll 34b, and both rolls 34a and 34b are pushed back. I can't enter in the meantime. Therefore, the postcard 16 passing between the rolls 34a and 34b is the first postcard 1
The second and subsequent postcards 16 which are regulated only to 6 and are fed out in an overlapping manner are continuously pushed back until the postcard 16 passes, and when the postcard 16 passes, the delivery roll 33 and the forward roll 34a are rotated. It is sent out in the transport direction and passes between both rolls 34a and 34b. It should be noted that the feeding roll 33 is intermittently rotated, the rotation is stopped when one postcard 16 is fed from the first postcard storage unit 4, and the rotation is stopped while the reversing roll 34b is blocking the passage of the second postcard 16. Feeding roll 3
It may be configured so that the feeding force is not applied even when 3 contacts the second postcard 16. In this way, the tip portion of the second postcard 16 is not strongly pressed by the reversing roll 34b, so that the tip portion of the postcard 16 can be prevented from being damaged.

The postcards 16 sent out in the state of being separated one by one as described above are individually conveyed in a standing state to the overlapping position by the action of the conveying mechanism provided in the conveying path 6. The transport mechanism according to the present exemplary embodiment includes the overlapping prevention roll 34.
a, a pair of feed rolls 49, 4 provided on the downstream side of 34b
9 and a pair of conveyor belts 50, 50 provided on the downstream side thereof, and the conveying speed of the feed rolls 49, 49 is set to be higher than the conveying speed of the feeding roll 33 and the forward rotation roll 34a. Therefore, the overlap prevention rolls 34a, 3
When the postcard 16 that has passed 4b is conveyed by the feed rolls 49, 49, a predetermined space is formed between the postcard 16 and the next postcard 16.

A postcard detector 51 including a photosensor is provided in the middle of the conveyor belt 50, and the postcard detector 5 is provided.
The postcard 16 conveyed by 1 is detected. When the postcard detector 51 detects the conveyed postcard 16 (the rear end of the postcard 16 in this embodiment), a signal is sent to the control device,
Based on this signal, the control device controls the conveyor belts 50, 50.
And the feeding of the label feeding belts 28, 28 described above is controlled. Therefore, when the transport belts 50, 50 transport the postcard 16 to the overlapping position, the label feed belt 2
Label 11 sent by 8, 28 is the postcard 16
Polymerize in place. Since the pair of feed rolls 52, 52 are arranged at the stacking position, the piled postcard 16 and the label 11 pass between the feed rolls 52, 52 in an overlapping state, and the heat pressurizing mechanism is operated. Sent.

By moving the position of the postcard detector 51 back and forth along the carrying direction, the position where the postcard 16 and the label 11 are attached can be adjusted to the left or right. However, in this embodiment, the operation panel is operated. When the sticking position is set, the control device causes the conveyor belts 50, 50 and the label feed belts 28, 28 to move.
It is configured so that the feed amount of can be automatically adjusted and can be attached at the position as set. Further, the position of the postcard detector 51 is not limited to the middle of the conveyor belt 50, and may be arranged upstream of the conveyor belts 50, 50, for example, as shown in FIG.

The heating / pressurizing mechanism comprises a pair of plate heaters 53.
a, 53b and a pair of pressure rolls 54, 54 provided on the downstream side of the heaters 53a, 53b. One of the heaters is fixed to the main body 2 side and the other 53b is intersected with the conveyance direction. And is biased by a spring 55. Specifically, it can be moved back and forth while being supported by front and rear link pieces (not shown) provided on the heater 53b. Therefore, the feed roll 5
The postcard 16 and label 11 in a polymerized state by the action of 2,52
When the movable heater 53b moves between the plate-shaped heaters 53a and 53b, the movable heater 53b slightly retreats on the inlet side according to the thickness of the postcard 16 and the label 11, but the fixed heater 53a is urged by the spring 55. The heaters 53b on the movable side 11 are in surface contact with the postcards 16 on the 11 side, respectively, so that heating can be performed uniformly from both sides.

When the postcard 16 and the label 11 are heated in this way, the hot melt layer 15 of the label 11 is uniformly melted, and when the hot melt layer 15 is sent to the pressure rolls 54, 54 in this molten state, the pressure roll 54 is used. , 54 pressurize the postcard 16 and the label 11 to bring them into close contact with each other and cool them. Therefore, the label 11 is reliably attached to the postcard 16 with sufficient attachment force.

The postcard 16 to which the label 11 is attached as described above is sent to and stored in the second postcard storage section 5 by the action of the guide mechanism. The guide mechanism shown in the drawing comprises feed rolls 57, 57 provided on the downstream side of the pressure rolls 54, 54 and a feed belt 58 provided on the receiving side of the second postcard storage section 5. The feed rolls 57, 57 and the feed belt 5
The distance from the start edge of 8 is set to be shorter than the width of the postcard 16.

In the second postcard storage section 5, the upper surface of the main body 2 is a postcard 1.
6, the guide plate 10 on the left side of the cover 8 regulates the right side position of the postcard 16 ..., and the guide portion 59 standing upright from the upper left edge of the main body 2 moves the left side position of the postcard 16 ... The postcard 16 is regulated and held by a holding mechanism so that the postcard 16 is held so as not to fall. Further, a guide lever 57 'is provided at the entrance portion and the guide lever 57' is urged by a spring, so that the postcard 16 is moved to the second position.
When entering the postcard storage section 5, the incoming postcard 16 is curved by this guide lever 57 ', whereby the front postcard 1
The rear end of No. 6 is not contacted. The second postcard storage unit 5 shown in the present embodiment can hold about 2000 postcards 16 corresponding to the storage amount of the first postcard storage unit 4.

Further, the holding mechanism of the present embodiment has a holding member 6
0 is provided so as to be movable in the longitudinal direction of the second postcard storage portion 5, and the leg portion hung from the restraining member 60 is provided with a slit hole 61 on the bottom surface.
And a spring in the main body 2 connected to the lower ends of the legs is urged forward with a substantially constant force.

When the feed rolls 57, 57 send the postcard 16 to which the label has been attached toward the second postcard storage section 5, the front end portion of the postcard 16 before the postcard 16 is separated from the feed rolls 57, 57. When the postcard 16 enters the second postcard storage section 5 from the inlet and comes into contact with the feed belt 58 and the end of the postcard 16 is separated from the feed rolls 57, 57, the postcard 16 is rubbed with the feed belt 58 and the second postcard storage is performed. It is drawn into the portion 5 and enters between the restraining member 60 and the feed belt 58. When the feed belt 58 is sufficiently retracted by the retracting action, the tip of the postcard 16 comes into contact with the wall portion and stops.

Since the postcard 16 thus fed into the second postcard storage section 5 is held by the holding member 60, it does not fall down. Then, when the feed rolls 57, 57 send the next postcard 16, the postcard 16 is fed by the feed belt 58.
The postcard 16 is inserted between the postcard 16 and the feed belt 58, which have been previously drawn in, and when the postcard 16 has sufficiently entered, the tip comes into contact with the wall portion and stops.

Feed rolls 57, 57 and feed belt 58
Repeats the above-mentioned operation, the postcards 16 ... After the label attaching process are successively sent into the second postcard storage section 5, and these postcards 16 ... When the thickness in the front-rear direction increases, the restraining member 60 retracts against the bias of the spring. Therefore, even if the number of postcards 16 ... Stored in the second postcard storage section 5 increases, these postcards 16 ... Then, if all of the postcards 16 ... Set in the first postcard storage unit 4 have been conveyed into the second postcard storage unit 5, or if a certain amount of them has been stored, they can be taken out by hand. When the postcards 16 ... In the postcard storage section 5 are taken out, the pressing member 60 advances due to the bias of the spring, and presses against the tail end of the remaining postcards 16 ...

In the above embodiment, the reversing roll 34 is used.
By fixing b to the main body 2 side and supporting the normal rotation roll 34a by the adjusting lever 44, the forward rotation roll 34a can be moved back and forth. However, the normal rotation roll 34a is fixed to the main body 2 side, and the reverse roll 34b is fixed. The reversing roll 34b may be movable back and forth by being supported by the adjusting lever 44. Further, the adjusting lever 44 is not limited to the horizontally long lever 44 extending upstream in the postcard conveying direction, and can be swung about the support shaft 43 so that the one roll 34 is conveyed to the postcard. Any structure may be used as long as it is movably supported in the direction crossing the road and has the movable holding portion 46 at a position farther than the distance from the support shaft 43 to the roll 34. For example, as shown in FIG. 10, the adjustment lever 44 is formed in a substantially L shape, one roll (inversion roll 34b in the drawing) is attached to the short side, and the spindle 43 is provided at the intersection of the short side and the long side. Is provided, a movable holding portion 46 is formed at the tip of the long side, and a fixed holding portion 47 is provided at a position facing the movable holding portion 46 in a state of being fixed to the main body 2 side, and a spring connected in the middle of the long side. The movable holding portion 46 may be biased toward the fixed holding portion 47 side by 48. Even if configured in this manner, when a predetermined number of postcards 16 ... Are sandwiched between the movable holding portion 46 and the fixed holding portion 47, as in the above-described embodiment,
The adjusting lever 44 is rotated in accordance with the thickness of the postcard 16, and the rotation causes the distance between the rolls 34a and 34b to be increased or decreased according to the thickness of the postcard 16 ... The optimum interval can be set by clamping 44.

[0046]

As described above, according to the present invention, a label can be adhered efficiently even if the adherend is a sheet-shaped postcard. Then, one of the overlap prevention rolls is fixed to the main body side to keep the position of the roll relative to the postcard conveyance path unchanged, and the adjustment lever is pivotally attached to one side of the postcard conveyance path in a swingable state by the support shaft. , By supporting the other of the overlap prevention rolls by the adjustment lever, the roll can be moved back and forth in the direction intersecting the postcard conveying path, and while the adjustment lever is provided with the movable holding portion, the movable holding portion is opposed to the movable holding portion .
Both sides of the gripping part are fixed and fixed to the main body side.
A predetermined number of postcards can be sandwiched between and sandwiched between them, and the fixed sandwiching portion is fixedly provided on the main body side so as to face the movable sandwiching portion. Since the distance to the movable nipping portion is set to be several times longer, it is possible to adjust the interval between the overlapping prevention rolls according to the thickness of the postcard by simply inserting a predetermined number of postcards between both nipping portions. Moreover, since a predetermined number of postcards are stacked and sandwiched, even if there is some variation in the thickness of each sheet, this variation is canceled out. Therefore, even if the thickness of the postcard to be processed is different for each sticking operation, it can be set to the optimum interval according to the thickness of the postcard to be used at that time. Regardless of the thickness of each postcard, the postcards delivered by the delivery member can be reliably separated one by one by the action of the overlap prevention roll. Further, if there is a postcard to be used, the roller interval can be adjusted by an extremely simple operation, so that it is not necessary to separately use a tool such as a measuring instrument or a gauge. In addition, by urging the movable gripping part with the spring provided on the adjustment lever, the pressure to pinch the postcard can be stabilized, so there is no influence of measurement error or habit of the measurer, and anyone can perform the same operation. It can be easily adjusted.

[Brief description of drawings]

FIG. 1 is a perspective view of a secret label sticking device.

FIG. 2 is a plan view of a secret label sticking device.

FIG. 3 is a front view of a postcard to which a secret label is attached.

FIG. 4 is a sectional view of a secret label.

5A and 5B are front views of a series of secret labels on which eye marks are printed, and FIGS. 5C and 5D are front views of secret labels with holes.

FIG. 6 is a plan view of a feeding mechanism such as a feeding roll and an overlapping prevention roll.

FIG. 7 is an explanatory view showing a state in which the posture is corrected while sending out postcards by a feeding roll.

FIG. 8 is a plan view of the vicinity of the overlapping position where the postcard and the label merge.

FIG. 9 is a plan view of a guide mechanism provided in a second postcard storage section.

FIG. 10 is a plan view of another example of the adjusting lever.

[Explanation of symbols]

1 Secret label sticking device 2 body 4 First postcard storage 5 Second postcard storage 6 postcard transport paths 7 Secret Label Coil 11 secret label 16 postcards 32 Pressing unit for pressing the postcard in the first postcard storage unit 33 Feeding roll as feeding member 34a Forward roll of overlap prevention roll 34b Overlap prevention roll reverse roll 44 Adjustment lever 45 Fixing screw as clamping means 46 Movable clamping part 47 Fixed holding part 48 springs

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI B65H 9/00 B65H 9/00 L (58) Fields investigated (Int.Cl. ⁷ , DB name) B65C 9/06 B42D 15 / 02 501 B65C 1/00 B65C 9/25 B65H 3/52 330 B65H 9/00

Claims (2)

(57) [Claims] 1. A first postcard storage section for accumulating sheet-like postcards for sticking processing, a second postcard storage section for storing sticking-processed postcards, and an outlet of the first postcard storage section. A transport mechanism arranged in the middle of the postcard transport path formed between the entrance of the second postcard storage section and transporting the postcard, a heating and pressurizing mechanism disposed in the middle of the postcard transport path, and a label in the middle of the transport path. Label delivery mechanism for stacking the postcards on the postcard, a delivery member disposed at the outlet of the first postcard storage unit and delivering the postcard in the first postcard storage unit from the earliest one to the transport path, and the postcard downstream of the delivery member. In a secret label sticking device equipped with a pair of overlapping prevention rolls arranged with a conveyance path sandwiched therebetween and having different rotation directions, one of the overlapping prevention rolls is fixed to the main body side, and the postcard conveyance path The position of the roll with respect to The adjustment lever is pivotally attached to one side in a swingable state by a support shaft, and the adjustment lever supports the other of the overlap prevention rolls to enable the roll to move back and forth in the direction intersecting the postcard conveyance path. Movable holding part is provided on the lever
On the other hand, the fixed holding part is opposed to the movable holding part and the fixed holding part is provided on the main body side.
It is fixed on the stack and a predetermined number of postcards are piled up between the sandwiching parts.
The secret label is characterized in that it can be clamped, the distance from the support shaft to the movable clamping unit is set to be several times longer than the distance from the adjustment lever support shaft to the other roll, and the adjustment lever is provided with clamping means. Sticking device. 2. The secret label sticking device according to claim 1, wherein the adjusting lever is provided with a spring for urging the movable gripping portion toward the fixed gripping portion.