JPS629088Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a device that simultaneously attaches exterior paper to both sides of a flat material such as a plywood board, and in particular, the exterior paper is attached to the outer circumferential surface of a cardboard box, which conventionally is discarded after one use. The purpose is to provide a product that allows the reuse of cardboard boxes.

Next, details of the present invention will be explained with reference to illustrated embodiments. In this example shown in FIGS. 1 and 2, 1, 2
1 and 2 are conveyance rollers arranged vertically in opposition to each other in a gap through which the material can be pressed and passed through, and are simultaneously rotated by the drive of a motor M to transport the material forward. Reference numeral 3 denotes pressure contact rollers which are disposed vertically opposite each other with a gap that allows the materials to pass through pressure contact, and which rotate in the opposite direction to the rotation of the conveyance rollers 1 and 2. Reference numeral 4 designates a pair of upper and lower delivery rollers that further transport the material sent from the transport rollers 1 and 2 through the pressure roller 3 to the front, and are rotated by a motor in the same direction as the transport rollers 1 and 2. T is a table for transferring the material S. A suction body 5 that supports the wrapping paper K in an upright state is installed vertically between the conveyance roller 2 and the pressure roller 3 located in the middle of the conveyance line. The suction body 5 has a central portion serving as a conveyance line as an empty portion E, and the other frame portions are provided with a large number of suction holes 5a for sucking air. In addition, suction pipes 6 having suction holes 6a opened in the horizontal direction are installed in the upper and lower parts of the central cavity E of the suction body 5 in parallel with the pressure roller 3. Reference numeral 7 indicates spray pipes arranged vertically and arranged so that adhesive can be sprayed almost toward each suction pipe 6. F is a transfer device for the wrapping paper K, in which an arm frame 8 that can be raised and lowered along the back side of the suction body 5 is connected to the tip of a rotating frame 9 that is rotatably supported by a fixed shaft 9a, and is also rotatable. An operating member 10 is fixed to the frame 9, and a cylinder 11 for pushing up the operating member 10 is provided. The arm frame 8 is attached so that the length of its downward protrusion can be changed, and an adsorbent 8a is attached to the front of its lower end. Further, 12 is a balance weight suspended from the rear end of the rotating frame 9.

Next, to explain the operation of the device configured in this way, first, as a material S to which exterior paper is pasted on both sides,
As shown in Figure 3, a flat material made by stretching the lid and bottom pieces of a used cardboard box and folding them in half is used.
As shown in FIG. 2, the material S is supplied to conveyance rollers 1 and 2 and placed on a conveyance line. At the same time, the upper end of one end of the exterior paper K stored in parallel is adsorbed by air suction with the adsorbent 8a provided at the lower end of the arm frame 8 (see the imaginary line in FIG. 2), and the cylinder 11 is then actuated to remove the Operation member 10 with rod 11a
It pushes up. As a result, the rotating frame 9 rotates about the fixed shaft 9a, and as a result, the arm frame 8 also rotates upward, causing the outer paper K to be attracted to the suction body 5, which is constantly sucking it (see Fig. 2). ). As a result, the wrapping paper K is supported in an upright state. In this state, the adsorbent 8a has stopped suctioning and is separated from the wrapping paper K, and the suction tube 6 is not in suction operation. and motor M
When the material S is sent by the rotation of the conveyor rollers 1 and 2 driven by the material S, the material S hits the center of the outer wrapping paper K and moves forward, so the outer wrapping paper K is folded in half and pulled in the transport direction. (See Figure 4). At this time, the adhesive is sprayed onto the wrapping paper K by the spray tube 7, and the stretched wrapping paper K is pulled as the material S further advances, and the air is removed from the material S by the pressure roller 3. Since it is crimped onto both sides of the material S, the wrapping paper K can be attached to both sides of the material S (see FIGS. 5 and 6). Before the material S comes into contact with the outer wrapping paper K, the suction tube 6 is operated for suction using a proximity switch, a limit switch, etc., and the upper and lower suction holes 6a also attract the outer wrapping paper K, so that the outer wrapping paper K is strongly stretched. (See FIG. 7). Therefore, the wet wrapping paper K with adhesive can be attached to the material S without wrinkles. After the material S to which the exterior paper K has been pasted is sent by the carry-out roller 4, the material S is pressed from above and below (not shown) to cut the cuts Sa between the lid piece and the bottom piece of the exterior paper K.
It is also placed in the same position. When pasting of the exterior paper K is completed, the spray tube 7 stops spraying the adhesive, the suction tube 6 stops suctioning, and the cylinder 1
1 is returned to its position, the operating member 10 is lowered, the rotation frame 9 and the arm frame 8 are rotated downward, and one end of the wrapping paper is pulled out in the same manner as described above. The suction is supported and the above operation is repeated.

In this way, according to this example, a new cardboard box is formed with the outer wrapping paper K adhered to the circumferential surface, and a used cardboard box can be reused.
In addition, the material S moves forward until it hits approximately the center of the upright wrapping paper K, and the pressing roller 3 applies the stretched wrapping paper K to both sides at the same time, resulting in a quick pasting operation. It is. In addition, in order to adjust the standing position of the outer wrapping paper K according to the size of the material S, as shown in FIG. Since the rotation angle of the arm frame 8 also changes, the position of the cylinder 11 and the length of the arm frame 8 may be adjusted in advance so that the wrapping paper can be supported at a predetermined position.

Although this example is configured as described above, the present invention is not limited to this. For example, the material S can be stuck vertically as shown in FIG. Further, the means for conveying the material is also appropriate, and the shape and configuration of the adsorbent that supports the outer wrapping paper in an upright state are not limited. Further, as the transfer mechanism for transporting the wrapping paper to the suction body, in addition to the rotation of the arm frame in this example, any mechanism such as a drawer using a slider mechanism can be considered. Note that the application mechanism for applying the adhesive to the back side of the outer wrapping paper is not limited, and the adhesive may be applied when the outer wrapping paper is pulled out. In addition, in this example, a suction tube was used as a tensioning means to hold the damp exterior paper with adhesive when pasting the exterior paper, but this made the exterior paper less slippery and the tension was too high. It is also possible to simply arrange a guide material so that the outer wrapping paper can be stretched, and any appropriate means can be adopted. Further, as the material for pasting the exterior paper on both sides, other flat materials such as plywood and corrugated board can be used. In short, the present invention weakly adsorbs and supports a piece of wrapping paper between a conveyance device installed on the conveyance line and a carry-out device located in front of it, and provides a hollow space in the center for the conveyance line to pass through. The adsorbent is arranged vertically, and is equipped with a transfer mechanism for conveying the outer paper to the adsorbent and a coating mechanism for applying adhesive to the back side of the outer paper, and is located close to the passage space of the adsorbent and between it and the unloading device. A pair of pressure rollers are arranged to press both sides of the material, and a tensioning means for the wrapping paper is conveyed between the adsorbent and the pressure rollers, which can stretch the area moistened by the adhesive when pasting the outer wrapping paper. This is a device for simultaneously pasting wrapping paper on both sides of a flat material, which is characterized by being installed oppositely with a line in between.

Therefore, according to the present invention, the wrapping paper can be quickly attached to both sides of the material, and the wrapping paper can also be placed on the front edge of the material, giving it a good appearance. If you use a cardboard box that is folded in half and made into a flat plate, you can reuse the cardboard box.

[Brief explanation of drawings]

Fig. 1 is a perspective view showing one embodiment of the present invention;
The figure is a side view, Figure 3 is a perspective view showing an example of the material, Figure 4 is a side view of the material in contact with the center of the outer wrapping paper, Figure 5 is a perspective view showing the pasting operation, and Figure 5 is a perspective view showing an example of the material. 6
The figure is a side view showing the adhesion operation, Figure 7 is an enlarged side view of the main part showing the state of the crimping part, and Figure 8 is a side view of the main part with the cylinder moved to reduce the lifting length of the arm frame. , FIG. 9 is a side view of another example of the device. 1, 2: Conveyance roller, 3: Pressure roller, 4: Export roller, 5: Adsorption body, 5a: Suction hole, 6: Suction pipe, 7: Spray pipe, 8: Arm frame, 9: Rotating frame, 11: Cylinder, K: Exterior paper, S: Material,
E: Empty section.

Claims (1)

[Scope of utility model registration request] Between the conveyance device provided on the conveyance line and the unloading device located in front of the conveyance device, a suction body capable of weakly suctioning and supporting a sheet of exterior paper and having an empty space in the center for passage of the conveyance line is erected. The absorbent body is arranged with a transfer mechanism for conveying the outer wrapping paper to the absorbent body, and a coating mechanism for applying adhesive to the back side of the outer wrapping paper, and the material is placed close to the passage space of the absorbent body and has both sides of the material. A pair of pressure rollers are installed to press the outer paper, and a conveyance line is sandwiched between the adsorbent and the pressure rollers, and a means for holding the outer paper can be used to stretch the area moistened by the adhesive when pasting the outer paper. A device for simultaneously pasting exterior paper on both sides of a flat material, characterized in that the two sides are installed oppositely.