JP6210292B2 - Sealing device - Google Patents

Description

  The present invention relates to an envelope sealing device.

  Conventionally, when sealing an envelope manually, using a sponge or the like, water must be applied to the mouthpiece of the flap part of the envelope, and the flap part must be folded by hand to the bag part side and sealed. It takes time and effort. Therefore, a sealing device has been proposed in which water is applied to the mouthpiece of the flap portion of the envelope with a simple configuration, and the flap portion is folded toward the bag portion to seal (see Patent Documents 1 and 2).

JP 2012-45754 A JP 2012-66522 A

  In the above conventional sealing device, when water is applied to the mouth paste of the envelope, the water is supplied by capillary action with a sponge or the like.

  However, when water is supplied by capillary action, there is a problem that sufficient water cannot be applied to the mouth paste of the envelope, and a part of the flap portion of the envelope after sealing is peeled off.

  Accordingly, an object of the present invention is to provide a sealing device that can supply sufficient water to the mouth paste of an envelope with a simple configuration.

This invention is made | formed in view of the said subject, The invention of Claim 1 is
A sealing device that seals an envelope having a flap portion and a bag portion and having mouth paste applied to the flap portion,
An envelope placement table for placing the envelope;
A moving mechanism for moving the envelope mounting table on which the envelope is placed along the longitudinal direction of the flap portion;
During the movement of the envelope mounting table, a water supply unit for supplying water to the mouth paste,
A flap part folding guide for folding the flap part supplied with water to the mouth paste to the bag part side;
A pressing member that presses the flap part folded by the flap part folding guide toward the bag part side and seals the envelope;
The water supply unit is
A drive mechanism driven in accordance with the movement of the envelope mounting table;
A water reservoir for storing water,
And at least a portion of the water tank is immersed in water, and the portion immersed in the water is moved by the drive mechanism, and includes a water application member that applies water to the mouth paste of the envelope. And

  According to a second aspect of the present invention, in the sealing device according to the first aspect, a flap portion pressing member that presses the flap portion against the water application member is provided.

  According to a third aspect of the present invention, in the sealing device according to the first or second aspect, the flap portion folding guide has a trumpet-shaped receiving portion whose entrance is widened in a trumpet shape. The surface of the flap portion on the side of the envelope to which the mouth paste is attached is folded into the bag portion side.

  The invention according to claim 4 is the sealing device according to any one of claims 1 to 3, wherein the envelope mounting table includes a shelf portion that is in contact with a lower end of the bag portion of the envelope that is placed; The shelf portion is fixed and includes a mounting base body that supports the bag portion vertically or obliquely, and an adjustment mechanism that adjusts the height of the shelf portion according to the size of the envelope is provided. It is characterized by that.

  A fifth aspect of the present invention is the sealing device according to any one of the first to fourth aspects, wherein the moving mechanism is driven manually or automatically.

  According to the first aspect of the present invention, at least a part of the water is immersed in the water of the water tank, and the part immersed in the water is moved by the driving mechanism to apply water to the mouth paste of the envelope. Since the application member supplies and supplies water to the mouth paste of the flap portion, it is possible to supply sufficient water to the mouth paste with a simple configuration.

  According to invention of Claim 2 of this invention, it can prevent that a flap part floats up and leaves | separates from a water application member, and water supply to a mouth paste becomes inadequate.

  According to invention of Claim 3 of this invention, a flap part can be reliably folded in the bag part side.

  According to invention of Claim 4 of this invention, even if the size of an envelope changes, sealing can be performed.

  According to invention of Claim 5 of this invention, it can seal manually or automatically.

It is a front view which shows the external appearance of the envelope sealed. It is a side view which shows the envelope mounting base in one Embodiment of the sealing apparatus which concerns on this invention. It is a front perspective view which shows the structure of one Embodiment of the sealing apparatus which concerns on this invention. It is a right view which shows the structure of one Embodiment of the sealing apparatus which concerns on this invention. The principal part structure of one Embodiment of the sealing apparatus which concerns on this invention is shown, (a) is a perspective view, (b) is sectional drawing.

  Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.

  As shown in FIG. 1, the envelope 20 sealed by the sealing device 1 according to the present invention has a flap portion 20a and a bag portion 20b, and there is a folding line 20d between the flap portion 20a and the bag portion 20b. It is an envelope in which mouth paste 20c is applied in advance on the surface of the portion 20a. Mouth paste 20c is normally dry and is activated and sticky when water is applied.

  2 to 4, the sealing device 1 according to the present invention includes a moving mechanism 3, a flap part folding guide 5, a pressing member 6, a driving mechanism 11, and a base 2 fixed to a horizontally long base 2. An envelope mounting table 7 and a water supply unit 8 which are slidably connected by the moving mechanism 3 are provided.

  The moving mechanism 3 is composed of a slide pack type slide rail. An outer rail 3a and a ball 3c that moves between the outer rail 3a and the inner rail 3b are provided on the base 2 side. It is provided on the envelope mounting table 7 side. In this embodiment, the moving mechanism 3 uses a slide pack type slide rail, but other types such as a telescope type and a roller type may be used.

  The water supply unit 8 is replenished with water from a water tank 9 through a water amount adjustment pipe 17, and a water storage tank 10 that stores a certain level of water, and a drive mechanism 11 that is driven according to the movement of the envelope mounting table 7. And a water application member 12k that is partially immersed in the water in the water storage tank 10 and is driven by the drive mechanism 11 to supply water to the mouth paste 20c of the envelope 20. There is a water tank 9 in the upper part of the water tank 10, and the height of the water surface 10a of the water tank 10 is monitored by a water amount adjusting pipe 17, and when the water in the water tank 10 decreases and the water surface 10a falls, the balance between atmospheric pressure and water pressure The water is supplied from the water tank 9 through the water amount adjusting pipe 17 by using the water, and the height of the water surface 10a is always kept constant.

  The drive mechanism 11 is provided on the back side of the base 2. The drive mechanism 11 is rotatably attached to the lower part of the base 2, and includes a pinion 9b meshing with a rack 9a fixed to the lower part of the envelope mounting table 7, and a first round belt pulley 12c fixed to the rotation shaft of the pinion 9b. A second round belt pulley 12d rotatably fixed to the upper part of the base 2, a first round belt 12e hung between the second round belt pulley 12d and the first round belt pulley 12c, and a second round belt pulley A third round belt pulley 12f coaxial with 12d, a fourth round belt pulley 12g rotatably fixed at a lateral position of the third round belt pulley 12f of the base 2, and a third round belt A second round belt 12h hung between the pulley 12f and the fourth round belt pulley 12g, a first roller 12i coaxial with the fourth round belt pulley 12g, and the first roller 12 A second roller 12j rotatably secured obliquely downward of, consists. The landing belt 12k is stretched between the first roller 12i and the second roller 12j, and at least a part thereof is immersed in the water in the water storage tank 10. The landing belt 12k is made of a material that absorbs water, such as a super absorbent cloth. The drive mechanism 11 may have any configuration as long as the landing belt 12k can be driven in accordance with the movement of the envelope placing table 7. Further, the landing belt 12k as the water application member may be in a form other than the belt.

  The flap part folding guide 5 is attached above the other end side of the base 2. The flap portion folding guide 5 has a trumpet-shaped receiving portion 4a, and the trumpet-shaped receiving portion 4a folds the surface of the flap portion 2a on the side where the glue 20c of the envelope 20 is attached to the bag portion 20b side.

  The pressing member 6 is configured by, for example, a leaf spring, and presses and seals the folded flap portion 20a and the bag portion 20b of the envelope 20. In this embodiment, two pressing members 6 are provided above the vicinity of the other end of the base 2.

  The envelope placing table 7 includes a shelf portion 7a having a shelf with which the lower end of the bag portion 20b of the envelope 20 placed is in contact, a placing table body 7b to which the shelf portion 7a is fixed and supporting the bag portion 20b, and a placing table. It consists of a side plate 7c attached to the side of the main body 7b and a handle 15 attached to the side plate 7c. The envelope mounting table 7 is connected by an inner rail 3b so as to be slidable from one end of the base 2 to the other end in the longitudinal direction of the base 2 of the sealing device 1. The inner rail 3b is attached to an intermediate part of the mounting table main body 7b. A rack 9a of a rack and pinion 9 is attached to the lower part of the mounting table body 7b.

  Further, an adjusting mechanism 17 for adjusting the height of the shelf 7a according to the size of the envelope 20 is provided. The adjusting mechanism 17 is fixed to the mounting table main body 7b by the widthwise elongated holes 7d provided at three positions in the longitudinal direction of the shelf 7a and the height of the shelf 7a inserted into the elongated hole 7d. Screw 17a. Even if envelopes 20 having different sizes are placed, the adjusting mechanism 17 adjusts the height of the shelf 7a so that the mouth paste 20c comes into contact with the landing belt 12k.

  As shown in FIG. 5, a flap support portion 2a that supports a flap portion 20a of an envelope 20 that moves to be sealed is provided on the upper portion of the base 2, and a cutout portion 2a1 is formed in a part of the flap support portion 2a. The first roller 12i and the landing belt 12k of the landing mechanism 11 to be described later are exposed from the notch 2a1. A leaf spring-shaped flap holding member 16 is provided above the notch 2a.

  As shown in FIG. 4, the base 2 to which the moving mechanism 3, the drive mechanism 11, the flap part folding guide 5, and the pressing member 6 are attached is configured such that a part of the landing belt 12 k is immersed in the water in the water storage tank 10. It is installed at an angle. Here, the base is inclined so that the angle of the base with respect to the horizontal plane is 60 degrees, so that the envelope 20 can be easily placed on the envelope placement table 7 and the envelope 20 can be stored better. In this embodiment, the angle of the base 2 is set to 60 degrees with respect to the horizontal plane. However, the angle is not limited to this, and the angle can be appropriately changed from zero degrees to 90 degrees.

  Next, the operation of the sealing device having such a configuration will be described.

  After the contents are sealed in the envelope 20, as shown in FIG. 1, the envelope 20 with the flap portion 20 a manually expanded about 90 degrees with respect to the bag portion 20 b is placed at one end of the base 2 of the sealing device 1. Place on the mounting table 7. At this time, the lower end of the bag portion 20b of the envelope 20 is in contact with the shelf of the shelf portion 7a, and the surface of the flap portion 10a to which the mouth paste 10c is applied is in contact with the flap support portion 2a provided on the upper portion of the base 2. Then, the envelope 20 is placed.

  Next, the handle 15 of the envelope placing table 7 on which the envelope 20 is placed is held, and the envelope placing table 7 is manually slid along the longitudinal direction of the flap portion 20a toward the other end of the base 2 on the slide rail 3a. Then, the rack 9a also moves with the envelope mounting table 7.

  As the rack 9a moves, the pinion 9b engaged with the rack 9a rotates. The rotation of the pinion 9a rotates the third round belt pulley 12f coaxial with the second round belt pulley 12d via the first round belt pulley 12c, the first round belt 12e, and the second round belt pulley 12d.

  The rotation of the third round belt pulley 12f rotates the fourth round belt pulley 12g and the first roller 12i via the second round belt 12h. When the first roller 12i rotates, the rotation is transmitted to the second roller 12j via the water-coating belt 12k.

  A part of each of the second roller 12j and the landing belt 12k wound around the second roller 12j is in the water of the water storage tank 10. When the landing belt 12k hung on the first roller 12i and the second roller 12j rotates, the portion of the landing belt 12k containing water passes through the base 2 through which the flap portion 20a of the envelope 20 passes, as shown in FIG. It moves to the location of the notch 2a1 of the flap support 2a.

  When the flap portion 20a of the envelope 20 moves to the location of the water coating belt 12k exposed from the cutout portion 2a1, the portion containing the moisture of the landing belt 12k is pressed against the mouth paste 20c of the flap portion 20a. Water is applied to the mouth paste 20c. At that time, the flap part 20a is pressed by the flap part pressing member 16 from the upper part of the flap part 20a so that the flap part 20a does not escape.

  The flap portion 20a is in a state where water is applied (at this time, the mouth paste 20c pre-applied to the flap portion 20a is activated and melted with water, and the mouth paste 20c becomes sticky) Then, it moves to the flap part folding guide 5.

  The flap portion folding guide 5 has a trumpet-shaped receiving portion 4a having a shape in which the entrance is expanded in a trumpet shape so that the flap is not caught, and the flap portion on the side where the glue 20c of the envelope 20 is attached by the trumpet-shaped receiving portion 4a. The surface of 2a is gradually folded into the bag portion 20b side as the flap portion 20a moves.

  When the flap portion 20a is folded by the flap portion folding guide 5, the flap portion 20a is pressed against the bag portion 20b by the pressing member 6 from the back and sealed.

  A sealed envelope 20 is manually pulled out by a person. When the envelope 20 is pulled out, the envelope mounting table 7 is returned to the original position (one end side of the base 2). A one-way clutch (not shown) is provided on the pinion 9b so that the water-coated belt 12k does not reversely rotate during this return.

  As described above, according to the embodiment of the present invention, water is supplied from the landing belt 12k to the glue 20c of the flap portion 20a while the envelope 20 placed on the envelope placement table 7 is moving. At this time, the landing belt 12k rotates in accordance with the movement of the envelope mounting table 7 and the portion of the water storage tank 10 that has been immersed in the water contacts the mouth paste 20c, so that a sufficient amount of water is applied to the mouth paste 20c. Is done. Therefore, since the mouth paste 20c is sufficiently activated and sticky, a part of the conventional flap portion is not peeled off, and the envelope is tightly sealed.

  As mentioned above, although embodiment of this invention was described, this invention is not limited to this, A various deformation | transformation and application are possible. As long as such modifications and applications still have the configuration of the present invention, it is included in the scope of the present invention.

  For example, in the above-described embodiment, the envelope mounting table 7 is manually moved, but instead of this, it may be configured to automatically move by a motor or the like.

DESCRIPTION OF SYMBOLS 1 Sealing device 2 Base 3 Movement mechanism 5 Flap part folding guide 6 Pressing member 7 Envelope mounting table 8 Water supply part 9 Water tank 10 Water storage tank 11 Drive mechanism 12k Landing belt (water application member)
16 flap part holding member 17 adjustment mechanism 20 envelope 20a flap part 20b bag part 20c mouth paste

Claims (5)

A sealing device that seals an envelope having a flap portion and a bag portion and having mouth paste applied to the flap portion,
An envelope placement table for placing the envelope;
A moving mechanism for moving the envelope mounting table on which the envelope is placed along the longitudinal direction of the flap portion;
During the movement of the envelope mounting table, a water supply unit for supplying water to the mouth paste,
A flap part folding guide for folding the flap part supplied with water to the mouth paste to the bag part side;
A pressing member that presses the flap part folded by the flap part folding guide toward the bag part side and seals the envelope;
The water supply unit is
A drive mechanism driven in accordance with the movement of the envelope mounting table;
A water reservoir for storing water,
And at least a portion of the water tank is immersed in water, and the portion immersed in the water is moved by the drive mechanism, and includes a water application member that applies water to the mouth paste of the envelope. Sealing device.   The sealing device according to claim 1, further comprising a flap portion pressing member that presses the flap portion against the water application member.   3. The sealing device according to claim 1, wherein the flap portion folding guide has a trumpet-shaped receiving portion whose entrance is spread in a trumpet shape, and the envelope of the envelope is attached to the trumpet-shaped receiving portion. A sealing device characterized in that the surface of the flap part is folded into the bag part side.   The sealing device according to any one of claims 1 to 3, wherein the envelope placement table includes a shelf portion that is in contact with a lower end of the bag portion of the envelope that is placed, and the shelf portion is fixed and the shelf portion is fixed. A sealing device comprising: a mounting table main body that supports a bag portion vertically or obliquely; and an adjustment mechanism that adjusts the height of the shelf portion according to the size of the envelope.   5. The sealing device according to claim 1, wherein the moving mechanism is driven manually or automatically.

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