JP2019111772A - High-speed enclosing device for mail - Google Patents

Abstract

To provide a mail enclosing device capable of enclosing mails at high speed.SOLUTION: There is provided a device for enclosing an enclosure collated with a predetermined printed matter in an envelope, in which the enclosing resistance is reduced by enclosing in the envelope with a flap of the envelope facing down and a rear end of the enclosure being supported on a bottom with at least two pairs of L-shaped fingers, thereby achieving smooth enclosing. A continuous processing cycle is configured by waiting for the next envelope to be supplied to the lower side of the envelope after a leading end of the enclosure begins to be enclosed in the envelope and before the rear end completes the enclosing. In addition, a feeding device that can reliably feed the next envelope to the lower side of the enclosed envelope is provided, and, if necessary, an enclosing device including a displacement prevention mechanism that prevents the next envelope from being displaced due to the envelope transport after enclosing is provided.SELECTED DRAWING: Figure 1

Description

  FIELD OF THE INVENTION The present invention relates to an enclosure device for enclosing envelopes to be delivered to mail at an unprecedented high speed into an envelope. For example, in the industry that produces a large amount of mail, it is installed downstream of a collating conveyor that collates a predetermined type of printed material one after another, and the collating that is coming in In the envelope of

  Conventionally, this type of device is roughly divided into two types. In the case where the envelope is enclosed in the envelope, the envelope is sealed with the envelope flap at the inlet of the envelope facing up, and the envelope is sealed down. The device according to the present application belongs to the latter and the following are known as typical prior art.

JP-A-3-9897

The disadvantage of the above prior art is that the filling speed is slow. It refers to the number of productions per hour, and has a drawback in high-speed performance to finish the encapsulation in short cycles one after another. In other words, it is considered that it would not work if the envelope is inserted at a high speed for inserting the envelope into the envelope, which is considered to be due to the encapsulation resistance generated at the time of encapsulation. Therefore, although the improvement is aimed at by auxiliary means, such as blowing air, the fundamental solution has not yet come.
In the present invention, as a method for reducing the sealing resistance, the conventional method supports the sealing method in which the sealing method of simply pushing the rear end of the sealing material is performed from the bottom to tens of mm from the rear end In this state of the art, we have developed a method of pushing in with the rear end part lifted up with certainty, and try to achieve high-speed sealing by this method.

  Therefore, the present invention is an apparatus for enclosing in a envelope an enclosure obtained by collating printed matter to be delivered to mail, comprising an enclosure for holding the envelope with the flap down and coming upstream of the enclosure. The inclusions are sequentially transferred from the collating finger to the encircling finger traveling on the upper surface side of the collated object, and the encircling finger is formed into at least two pairs of L-shapes, and The rear end portion of the enclosure is enclosed in a stand-by envelope while the rear end of the enclosure is supported on the bottom surface by the end of the encapsulation finger L, and the envelope after the enclosure is carried out from the enclosure while the encapsulation operation is continued. An apparatus for high-speed sealing of mail characterized by comprising.

In addition, the high-speed mail apparatus configured to have a feeding device configured to additionally supply the next envelope to the enclosing unit after the leading end of the collated object begins to be enclosed in the envelope and before the trailing end completes the enclosing. Provided is a sealing device. In addition, a pressing plate is provided on the upper surface of the conveying belt constituting the feeding device, the pressing plate having one end in contact with the conveying belt to form a pressing unit, and the pressing unit is set at a position just before the predetermined position of the envelope in the enclosing unit. Provided is a high-speed sealing device for configured mail.
Furthermore, the above-described transport belt is configured as a suction belt, and if necessary, a displacement prevention mechanism having a suction hole formed on the upper surface is provided at the transport direction end position of the feeding device with respect to the predetermined position of the envelope in the enclosure. The present invention provides a high-speed sealing device for mails configured.

  In the sealing section for sealing the enclosure in the envelope, the L-shaped end of the enclosure finger securely supports the bottom surface of the rear end of the enclosure and encloses the envelope in a standby envelope while continuing the enclosure operation With the configuration in which the envelope after being sealed is carried out of the sealing unit, the sealing resistance to the envelope is reduced, and since the continuous operation is performed, it is possible to shorten the sealing cycle remarkably. By the way, considering the time from when the leading end of the enclosure begins to enter the envelope to when the rear end ends, the encapsulation resistance is gradually applied as the enclosure progresses, but the rear end is supported from the bottom. Because of that, the reduction at the end of the stage appears as a big difference.

In addition, in the feeding apparatus provided with the pressing plate, regardless of whether or not the transport belt is used as the suction belt, the next envelope can be reliably supplied to the lower side of the envelope being sealed.
Furthermore, in the one provided with the slippage prevention mechanism, the next envelope is held in place against the frictional force that tends to shift the next envelope generated when the envelope having been sealed is discharged. It is effective.

It is explanatory drawing which illustrated operation | movement of this-apparatus apparatus in time series, and (b) in the figure expands and shows partially the main part of (a). It is explanatory drawing which illustrated operation | movement of this-apparatus apparatus in time series, and (b) in the figure expands and shows partially the main part of (a). It is explanatory drawing which illustrated operation | movement of this-apparatus apparatus in time series, and (b) in the figure expands and shows partially the main part of (a). It is explanatory drawing which illustrated operation | movement of this-apparatus apparatus in time series, and (b) in the figure expands and shows partially the main part of (a). It is an explanatory view which illustrated the top view of the present application device. It is explanatory drawing illustrated in time series regarding the delivery of the enclosure. It is explanatory drawing illustrated in the top view about preferable embodiment. It is explanatory drawing illustrated in front sectional drawing about a preferable Example. It is explanatory drawing (top view) of the supply apparatus of a preferable envelope. It is explanatory drawing (sectional view) of the supply apparatus of a preferable envelope.

Hereinafter, an apparatus according to an embodiment of the present invention will be described in detail.
FIGS. 1 to 4 illustrate how the embodiment apparatus operates in time series. Further, (b) is a partially enlarged view of the main part of (a). After the next operation shown in FIG. 4, the state shown in FIG. 1 is reached, and the operation is continuously performed while circulating to the next sealing cycle such as the collating finger 22a 22b and the envelope 2a 2b.

  In the figure, 11 indicates a collating chain. The chain 11 is driven by a chain sprocket 13 fitted to a rotary shaft 14, and a top cover 15 is provided at a place where the object 1c is placed. That is, the central portions of the enclosures 1b and 1c can be supported and transported from the lower surface at a position somewhat higher than the upper surface of the transport table pointed by 7.

  Also, in the figure, 12 indicates a collating finger. This collating finger 12 is attached to the collating chain 11 described above at predetermined pitches, and although not shown in the drawing, several copies of printed matter are sequentially overlapped one by one in an upstream area on the right side of the drawing. They are collated and consequently supplied to the next encapsulation step as the inclusion pointed at 1c. Specifically, any printed material such as a flipper, a two-folded flyer, a four-folded flyer, a saddle-stitched catalog, etc. is made into one set, and address paper etc. are collated as necessary. When this collating finger 12 finishes its role in the delivery section, which will be described later, as shown in FIG. 2, similarly to a known finger type conveying device, in the conveying direction backward (clockwise in the drawing) around the chain pin. It turns around and moves to return operation.

  Then, on the downstream side in the transport direction, the encapsulating chain 21 is also provided on the upper surface side of the enclosures 1a to 1c. In the illustrated embodiment, the enclosed chain 21 is stretched between a chain sprocket 23a fitted to the rotation shaft 24a and a chain sprocket 23b fitted to the rotation shaft 24b, and collated at predetermined intervals. It comprises fingers 22a to 22e. The rotating shafts 14 and 24a or 24b are mechanically associated so that the collating chain 11 and the enclosing chain 21 travel at the same speed. Also, the mounting spacing of the collating finger 12 and the mounting spacing of the sealing fingers 22a-22e are the same, and under such conditions they create the following notable operation.

  That is, as is apparent from FIGS. 6 to 8 which are illustrated in time series, in the delivery section for delivering the enclosure 1 c from the collating finger 12 to the enclosure finger 22 c, the enclosure 1 c which has been transported is The sealing finger 22c acts as shown, and as a result, the L-shaped end of the sealing finger 22c performs delivery such that the rear end of the sealing body 11c is supported on the bottom surface. Although FIG. 5 exemplifies a plan view of the apparatus according to the embodiment, in order to maintain the transport balance in the lateral direction with respect to the transport direction in a consistent manner, at least two of the sealing fingers 22c are paired. Do. That is, for example, two chains 21 are stretched to deploy the L-shaped sealing fingers 22a to 22e as illustrated. Also, in order to improve such delivery, the traveling position of the enclosing fingers 22a to 22e travels at positions close to both sides of the traveling line of the collated chain or the top cover 15 covering the upper surface of the chain. Configured By doing so, by supporting the bottom of the substantially central portion of the enclosure 1c, the remaining portion of the enclosure 1c is supported on the transport table pointed by 7, and consequently the rear end central region is While maintaining the deformation in a convex shape for a while, it is carried in to the next enclosure.

Next, the enclosure part which inserts an enclosure into an envelope is demonstrated.
FIG. 1 illustrates a situation in which the enclosure 1a is sealed in the envelope 2a by the sealing finger 22a and then carried out in the same direction as the sealing direction. At the same time, the enclosure 1b is transported by the next enclosure finger 22b to the position just before the enclosure, so that in the enclosure, the suction pad 6 in the normal path enters the opening operation of the next envelope 2b.

  FIG. 2 transitions from the state of FIG. 1 to the point where the leading end of the enclosure 1b is inserted into the opening of the envelope 2b somewhat at the enclosure. Here, it should be noted that the flap of the envelope 2b located in the enclosure is located on the lower side. And the flap is located under the flap cover 8, and it is comprised so that it may not become an obstruction of enclosure. On the other hand, the enclosed envelope 2a described above is in a state immediately before the conveyance by the unloading conveyor 3 starts to be superior to the enclosing finger 22a.

FIG. 3 shows the situation where the delivery conveyor 3 pulls out the enclosed envelope 2a from the enclosing finger 22a and carries it out. That is, the unloading conveyor 3 is set somewhat faster in speed. Further, in the enclosure portion, the enclosure 1b is inserted in the envelope 2b, leaving approximately 40%.
FIG. 4 illustrates a state immediately before the sealing of the sealing object 1b in the envelope 2b by the sealing finger 22b in the sealing section. In addition, in the delivery section at the upper part of the encapsulation section, as described in connection with FIGS. 6 to 8, the operation is just before the delivery operation of the enclosure 1c is started from the collating finger 12 to the encapsulation finger 22c. . That is, the sealing in the sealing unit and the delivery in the delivery unit are continuously performed cyclically at timings that are mechanically ensured. In order to reach the state of FIG. 1 from the state of FIG. 1, it is necessary to release the restraint of the envelope 2b by the suction pad 6 at an appropriate timing. One of the means is provided with a control mechanism that performs electric or mechanical pressure control so as to release the negative pressure in the suction pad 6 immediately before to the completion of the encapsulation. In addition, as a simple means, it may be configured to forcibly remove by the sealing finger 22b without performing such pressure control, and may be configured to be used together if necessary. In any case, the present invention does not limit the insertion of the envelope until it is completely sunk in the envelope, and there may be no practical problem, for example, the state of FIG. There are also cases where it is assumed that the part has not been inserted yet and that the encapsulation is completed.

Here, it should be noted that in FIGS. 3 and 4, the next envelope 2c is shown below the envelope 2b being enclosed. Incidentally, the next envelope 2c is not shown in FIG. 1 and FIG. The point is that it is illustrated that the next envelope is supplied to the lower position from the time when the leading end of the envelope is started to be inserted into the envelope until the insertion is generally finished. More basically speaking, it is sufficient to supply the next envelope before the suction pad 6 descends to open the next envelope to start suction, and it is preferable to finish it somewhat earlier Configure to
For example, in FIG. 5 showing a plan view of the embodiment of the apparatus under the condition of FIG. 4, 5 indicates the supply belt stretched on the roll 4, but 2 indicates the supply belt. The sheets are supplied one by one from the envelope by well-known means (not shown) at good timing.

Next, a preferred envelope feeding device will be described based on FIG. 9 and FIG.
The example device illustrated here is mainly designed to supply the next envelope more preferably, and forms a large number of holes in the transport belt 5 and, at the back side, the first suction box 35 and the first suction box 35 (2) The suction box 32 is provided, and the envelope 2 is sucked and conveyed through the suction slits 35a and 32a formed in the box. Further, in the figure, reference numeral 36 denotes a pressing plate provided on the upper surface side of the conveying belt 5, and the pressing end portion 36 a is in contact with the upper surface of the conveying belt 5 to form a pressing portion in a line shape. The position of the pressing portion is a predetermined position of the envelope 2 in the enclosing portion, that is, a position from the position of the stopper 30 to the width dimension of the envelope 2, but is set to the immediately preceding position on the front side . That is, the widthwise rear end edge of the envelope 2 carried into the enclosure portion is positioned to prevent back-returning, and it is ensured that the next envelope 2 is supplied to the lower side of the envelope being enclosed. effective. In order to secure the stabilization of the pressing portion, it is desirable to provide backup rolls 33 and 34 before and after that, and the upstream backup roll 34 may be omitted if necessary.

  Further, in the illustrated example, a suction holding box 31 having a suction hole formed on the upper surface is provided in front of the stopper 30 in the sealing portion. And the pressure in this box 31 is controlled as needed. For example, while the envelope 2 is being carried in by the transport belt 5, the negative pressure is released, and the negative pressure is applied after the completion of the carrying in. Then, when transitioning from the state shown in FIG. 4 to the state shown in FIG. 1, the frictional force generated as the enclosed envelope 2b is taken out opposes the attempt to shift the underlying envelope 2c. can do. That is, the suction holding box functions as a displacement prevention mechanism for the lower envelope. It is also effective to continuously apply a weak negative pressure without negative pressure control of the adsorption holding box 31. In this case, the transport force of the envelope 2 by the transport belt 5 overcomes the braking force of the suction and hold box 31 so as to feed the envelope to a predetermined position.

  As described above, the high-speed sealing device for mail according to the present invention is remarkable in its high processing capability in the method of sealing in a flap-down envelope, and the industry for producing mail. It is sure to contribute to

DESCRIPTION OF SYMBOLS 1a, 1b, 1c, 1d ... Encapsulation thing 2,2 2a, 2b ... Envelope 3 ... Delivery conveyor 4 ... Roll 5 ... Supply belt 6 ... Suction pad 7 ... Conveyance table 8 ... flap cover 11 ... collating chain 12 ... collating finger 13 ... chain sprocket 14 ... rotating shaft 15 ... top cover 21 ... enclosed chain 22 a, 22 b, 22 c, 22d, 22e ··· Sealing finger 23a, 23b · · · Chain sprocket 24a, 24b · · · Rotating shaft 30 · · · Stopper
31 ... adsorption holding box 32 ... second suction box 33, 34 ... backup roll 35 ... first suction box 36 ... pressing plate 36 a ... pressing tip end

Claims (5)

  An apparatus for enclosing an envelope containing a collated printed material to be delivered to the mail in an envelope, comprising: an envelope for holding the envelope with the flap down, the envelope coming upstream of the envelope being A delivery part is sequentially delivered from the mating finger to the enclosing finger traveling on the upper surface side of the collated object, and the enclosing finger is formed into an L shape forming at least two pairs, and the above-mentioned enclosing part The rear end portion is sealed in a standby envelope while being supported on the bottom surface by the end portion of the sealing finger L, and the envelope after sealing is carried out from the sealing portion while the sealing operation is continued. High-speed packaging device for mail.   Between the first end of the collated object begins to be enclosed in the envelope and the end of the second end is enclosed, there is provided a feeding device for additionally feeding the next envelope to the enclosure. The high-speed sealing device for mails described in Item 1.   The upper surface of the conveying belt constituting the feeding device is provided with a pressing plate having one end in contact with the other to form a pressing portion, and the pressing portion is configured to be set at a position just before the predetermined position of the envelope in the enclosing portion. The high speed sealing device for mail according to claim 2.   4. The high-speed sealing device for mails according to claim 3, wherein the transport belt is a suction belt.   5. The mail according to claim 3, wherein a shift prevention mechanism having a suction hole formed on the upper surface is provided at the end position in the transport direction of the supply device with respect to the predetermined position of the envelope in the enclosure. High speed sealing device.

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