JPH0718569Y2 - Flat paper wrapping device - Google Patents

Description

[Detailed Description of the Invention] Field of Industrial Application The present invention relates to a strapping device for flat stacking paper such as paper napkins, and particularly to the edges of the bottom strip and the top strip of a strip of paper stacked from the bottom surface to the top surface of the flat stacking paper. The present invention relates to a strapping device for sticking a part on one side of a flat sheet of paper with a lap adhesive.

Prior art and its problems As described above, when the edges of the upper strip and the lower strip are overlapped and bonded on one side of the flat stacking paper to perform banding, an adhesive is applied to the lower strip end. For this reason, there is a problem in that it is impossible to press the same place and hold it at the bonding position, which causes play, resulting in misalignment of bonding, poor adhesion, or slack in the strap.

In addition, there is a problem that the adhesive exposed by the misalignment of the adhesive adheres to the side surface of the flat stacking paper.

In addition, if the dots of the adhesive are used to avoid the above problems,
A new problem occurs that the adhesive strength, that is, the strapping strength is reduced.

The present invention contemplates a strapping device that solves the above problems.

Means and Actions for Solving Problems The present invention is directed to the case where the above-mentioned upper strip end and the lower strip end are superposed on one side of the flat stacking paper and pasted with an adhesive.
The left and right ears of the lower strip end are pressed against one side of the flat stacking paper for positioning, and the region opened by the hanging member that controls the left and right ears, that is, the central portion of the lower strip end. The area is used as the adhesive application surface, and on the other hand, the upper cover member is provided with a wide pressing portion that slides toward one side while pressing the entire width of the upper strip against the upper surface of the flat stacking paper, and on the same side, the upper strip edge A narrow width pressing portion that presses only in the central area corresponding to the above, and the narrow pressing portion slides between the underhanging members to form a central area of the upper strip end portion. This is to properly oppose the central region of the end portion of the lower strip and secure a sufficient margin for bonding so that a strong strapping can be performed.

Embodiment An embodiment of the present invention will be described below with reference to FIGS. 1 to 5.

As shown in FIG. 1, an upper and lower endless conveyor 2 for forming a banding line is provided, the upper and lower surfaces of a flat stacking paper 1 such as a napkin are supported between the two conveyors 2, and the flat stacking paper 1 is conveyed in the transporting process. Make sure to use it for obi hanging.

As shown in FIG. 1A, the strip 3 is supplied from above the conveyor 2 and sandwiches the end portion thereof with the paper jaws 4 and extends across the conveyor 2 to the lower side. The flat stacking paper 1 is rushed from one side of the strip of paper 3 while being conveyed by the conveyor 2 to form a state in which the strip of paper 3 is wound around from the lower surface to the upper surface of the flat stacking paper 1, and the adhesive by the gluing means 5 is used. In preparation for coating and the strapping operation of the end portion of the strip of paper by the lower hanging member 6 and the upper hanging member 7, the conveyance is stopped and stands by.

As shown in FIGS. 1B and 5, the gluing means 5 is used.
Is installed below the flat stacking paper 1, and the gluing board 52 is raised from the inside of the adhesive tank 51 by the cylinder 53 or the like, and is clamped and stretched in the central area of the lower strip paper end portion 32 which is sandwiched and stretched by the paper jaws 4. The adhesive 8 is applied in the form of a strip, and after the adhesive is applied, it descends and is immersed in the adhesive tank 51 to prepare for the next application of the adhesive.

Further, as shown in FIG. 1C, the hanging member 6 is installed under the flat stacking paper 1 and is elevated after the adhesive is applied and a pair of parallel extending scooping claws 61 are provided at the tips. The scooping up the left and right ears of the lower strip end 32 where the adhesive 8 is not applied, and press it against one side of the flat stacking paper 1 (the bottom of the flat stacking paper 1) as shown in FIG. .

The adhesive 8 is applied to the area between the pair of scooping nails 61 in one or a plurality of strips over the width direction of the strip 3. In synchronism with the scooping operation of the lower strip end 32 by the scooping claw 61, the stripping of the strip by the paper clip 4 is released, and the lower limit position (stretching position of the strip) is lifted to the upper limit position (standby position for stripping the strip) to move to the next position. Prepare for sandwiching the strip.

Next, as shown in FIG. 1D, the upper strip 33 is cut by the cutter 9 installed above the flat stacking paper 1.

As shown in FIG. 1E, the above-mentioned hanging member 7 is a flat stacking paper 1.
While sliding over the upper surface of the one side surface and pushing the cut upper strip 33 toward the upper surface of the flat stacking paper 1 toward the one side surface thereof, as shown in FIGS. 3A and 3B, to the same side surface. Upper strip edge 3
Simultaneously with pressing and superimposing 4, the adhesive is applied to the central area in the form of a strip in the central area.

As shown in FIG. 4, the upper hanging member 7 is the upper strip 33.
Wide pressurizing part 71 for pushing the entire width in the width direction of the flat stacking paper 1 and narrow pressurizing for pressing the central region of the upper band end 34 to one side of the flat stacking paper 1. And a section 72. As a concrete example thereof, as shown in FIG. 4, a narrow wide pressing plate portion 74 having an arc shape in the central portion of one side of a rectangular wide wide pressing plate portion 73.
Is formed integrally with the pressure plate 75, and the pressure plate 75 is formed of a weight member. The cantilever lever is rotatably supported at a fulcrum 76 as shown in FIG. It is attached to the tip of the cantilever 77a, and the fulcrum 76 of the cantilever lever 77a is linked to the end of the lever 77b pivotally supported at the fulcrum 78 so that the weight of the pressure plate 75 is constantly applied to the tip of the cantilever lever 77. Support the lever 77a with the fall stop 79, and press the pressure board 75 above.
With the stack floating above the flat stacking paper 1
By rotating 77b from the position shown in FIG. 1A to the position shown in FIG. 1E, the pressure stop plate 75 is pushed out, the fall stop 79 is released, and it is attached to the upper surface of the flat stacking paper 1 by its own weight. While pressing the lower surface of the wide pressing plate 73 and sliding it along the surface of the upper strip 33 while applying the same weight, the strip is extended at the position where it has reached the upper end of one side of the flat stacking paper 1 and the narrow width is reached. The arc surface of the pressure plate 74 is along the same side surface, and the above-mentioned scooping claw 61
The space is slid downward, and the central region of the upper strip end portion 34 is pressed against the central region of the lower strip end portion 32. As a result, the upper strip end portion 34 is held by the scooping claw 61 and the lower strip end portion 32 is held.
And the central area of the upper strip end portion 34 is pressed against the adhesive 8 applied to the central area of the lower strip end portion 32, that is, the area between the pair of scooping claws 61, In the central area between the scooping claws 61, 34 are attached to each other to complete the banding. After that, the conveyor is re-driven, and the above-mentioned flat piled paper 1 with belts is sent to the other side.

In addition to its own weight, the pressure plate 75 may be provided with a spring to increase the printing pressure. As described above, the wide pressing plate 73 functions as the wide pressing part 71, and the narrow pressing plate 74 functions as the narrow pressing part 72.

As shown in FIG. 1F, as described above, the paper gripper 4 stands by in the open state at the upper limit position, re-pinches the end of the supply strip cut by the cutter 9 and descends to the lower limit position. Then
The strip 3 is stretched again and used for the next striping.

By providing a paper pushing member 10 integrally with the cutter 9 and advancing the cutter 9 integrally with the paper pushing member 10, as a means for holding the end of the strip 3 on the paper jaws 4.
The leading edge of the strip is picked up and directed to the inner surface of the upper jaw 41 of the paper jaw 4, and then the lower jaw 42 is operated in the closing direction to pinch the paper.

Advantageous Effects of Invention According to the present invention, as described above, the ends of the lower strip paper coated with the adhesive are properly positioned and held at the bonding position by the pair of scooping claws on the left and right ears where the adhesive is not applied. You can

According to the present invention, the edge of the lower strip can be positioned with the adhesive applied and can be used for stacking with the upper strip, and the edge of the lower strip can have a play to bond such as misalignment or slack. It is possible to effectively eliminate a defect that causes a defect, and to properly bond the upper and lower strips on one side of the flat stacking paper so as to face each other.

Also, the area between the pair of scooping claws that regulate the left and right ears of the lower strip paper is used as an effective area for applying the adhesive, and a sufficient bonding margin can be secured. Can be done.

[Brief description of drawings]

FIGS. 1A to 1F are side views showing an outline of the strapping device in the order of operation, and FIG. 2 shows a state in which an end portion of the bottom strip is pressed against one side of flat stacking paper by a strapping member. FIG. 3A is a front view corresponding to FIG. C, FIG. 3A is a front view of flat stacking paper showing a state in which the end portion of the upper strip is pasted by the top hanging member, FIG. 3B is a side view of the same, and FIG. Pressure plate perspective view illustrating a pressure member,
FIG. 5 is a cross-sectional view illustrating the gluing means. 1 ... Flat stacked paper, 3 ... Band, 31 ... Lower band, 32 ... Lower band edge, 33 ... Upper band, 34 ... Upper band edge, 4 ... Paper grip, 5 ... Glue Means, 52 ... Gluing board, 6 ... Bottom hanging member, 61 ... Scooping nail, 7 ... Top hanging member, 71 ... Wide pressing section, 72 ... Narrow pressing section, 8 ... Adhesive .

Claims (1)

[Scope of utility model registration request] 1. An end portion of an upper strip paper and a lower strip paper, which are laid around from a lower surface to an upper surface of the flat stacking paper, are overlapped on one side of the flat stacking paper, and the overlapping portion is adhered to perform the strapping. A strapping device for carrying out, which is a flat stacking paper that is lifted from below the flat stacking paper to one side of the flat stacking paper and scoops up the end of the lower strip to press the end against the one side. A sliding member that slides from the upper surface to the side surface to press the upper strip of paper against the upper surface of the flat stacking paper, and an upper hanging member that pushes the upper end of the upper strip of paper onto the outer surface of the lower strip of paper in the center area of the lower strip of paper. The lower hanging member has a pair of scooping claws that press the left and right ears of the lower strip end against one side of the flat stacking paper, and the upper hanging member fixes the upper strip. Wide squeezing part to press on the upper surface of flat stacked paper and the central area of the end of the upper strip paper are scooped above. Flat sheet pile strapping apparatus, characterized in that it comprises a Semahaba pressing for pressing a central region of the lower band feeding end that is held by.