JPH0245312A - Automatic paper packer for cut plate - Google Patents

Abstract

PURPOSE:To correspond promptly to the variation of the width, thickness and length of a product, by wrapping the product up in a paper without raising, lowering, or rotating it after placing it on a roller table and by contacting and folding the side edge part at a simple form plate installed on the way of transfer. CONSTITUTION:A roll of paper 1 with a wider width than that of a cut plate to be packed is placed in advance on a supporting base 2 to be wound off. A folder 20 of the front edge ear part installed on the transfer way is freely movable in the right angle against the line direction. A diamond shape-folding plate 23 to bend downward the ear part 24 of the upper face is freely transferable laterally and mounted on a trestle H to be freely adjustable vertically. The ear part 24 of the upper face side made by folding in of the rear end side and the front edge contacts the diamond shape-folding plate 23 positioned in advance in accordance with the product width during transfer of the product and the ear part 24 is folded back downward from the upper face side to the lower face side.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an automatic paper packaging device for relatively large and heavy board products (cut boards) such as various metal boards, wood boards, and glass boards laminated in the shape of a rectangular parallelepiped. It is something.

[Prior Art] Conventionally, paper packaging devices for board products laminated in a rectangular parallelepiped shape are disclosed in Japanese Patent Publication No. 57-44527 and Japanese Patent Publication No. 60-404.
As seen in Publication No. 8, since the products handled in all of these are small and lightweight items such as paper, plastic sheets, printed circuit boards, etc., the wrapping paper is wrapped around the products by raising and lowering them or rotating them. For example, in the case of various iron plates, etc., the weight of the product is several tons, and in order to raise, lower, or turn it, a costly device is required, which increases the cost of the device.

Therefore, this type of conventional paper packaging apparatus is poorly suited as a paper packaging apparatus for heavy products such as large metal plates or large glass plates.

Currently, there is no highly automated and highly suitable large metal plate (cutting plate) paper packaging device available.

[Problems to be Solved by the Invention] The present invention is particularly suitable for large and heavy items, and is a comparative example that allows packaging with excellent appearance by tightly wrapping paper without lifting or turning the product. This provides a simple and simple automatic paper packaging device.

[Means for Solving the Problems] The present invention involves placing cut plates laminated in a rectangular parallelepiped shape on a wrapping paper cut from a paper fill, wrapping the wrapping paper around the laminated cut plate (hereinafter referred to as a product), and wrapping the wrapping paper around the laminated cut plate (hereinafter referred to as a product). In a paper wrapping device using a cut plate that folds in the edges of wrapping paper that protrude from the edges, there is a pinch roll that unwinds the paper from a paper coil, and a pinch roll that sucks the leading edge of the paper and runs in the line direction to unwind it. A device that supplies paper to a packaging position on the line, a cutter that cuts the paper to a predetermined length, and a device that feeds the paper onto the line and places it on the paper that is spread on the line. , a trailing edge paper holding device that lifts the paper in the thickness direction of the product while pressing it against the edge of the product; a trailing edge paper wrapping device that presses the lifted paper against the top surface of the product and supplies it to the front edge of the product; A front-edge paper holding device that presses the lifted paper against the top of the product and supplies it to the rear end of the product, and a paper winding device that presses the lifted paper against the top of the product and supplies it to the rear end of the product, and a glue that adheres the folded paper from the rear and front sides. A device, a trailing edge folding device that folds the trailing edge of the paper wrapped in the length direction of the product from the trailing edge toward the front edge; A front edge folding device that folds the edge from the front edge toward the rear edge, a top folding plate that folds the edge of the upper edge from the upper edge toward the bottom, and a glue that attaches to the paper edge of the edge of the lower edge. It is characterized by consisting of a device, a lower end folding plate that folds the glued lower edge from the lower edge to the upper edge, and an upper folding plate that folds and adheres the lower edge that protrudes from the upper thickness limit onto the top surface of the product. This is an automatic paper packaging device for cut plates.

The present invention will be explained below based on one embodiment thereof.

FIG. 1 is an elevational view schematically showing an automatic paper packaging line for cut plates according to an embodiment of the present invention, in which paper roll 1 is wider than the width of the cut plate 5 to be packaged, and is placed on a support stand in advance. 2 so that it can be rewound.

3 is a pinch roll for rewinding the paper roll 5; 4o is a running rail provided on the frame F; a vacuum pad (not shown in FIG. suspension member 4' for suspending and moving the (omitted)
is engaged.

This suspension member 4' is attached to the endless wire W, and moves in the line direction as the suspension member 4' moves.

8 is a conveyance roller table which also serves as a packaging table; 9 is a trailing paper winding device which is supported by a frame F so as to be movable in the line direction;
' and a gluing device 18.

The lO can be raised and lowered by a trailing paper holding device, and its upper end can be rotated 90'' in the line direction by a link mechanism.

Reference numeral 11 denotes a front end paper winding device, which is supported movably in the line direction by a frame F, and has a paper presser bar 1 which can be raised and lowered.
2, and a paper support section 12o.

13 is a loop forming roll, 14 is a measuring roll in contact with the paper roll 1, which measures the length of the rewound paper 1 and operates a cutter 15 to cut the paper to a predetermined length. It is something.

Reference numeral 17 denotes a rear end edge folding device, which is movable back and forth in a direction perpendicular to the line direction, and is provided with an edge folding plate 17' which is movable in the line direction by a cylinder 17o and whose vertical position can be adjusted.

20 is a front edge folding device disposed in the middle of the conveyance path, and is movable in a direction perpendicular to the line direction. Reference numeral 23 denotes a rhombus-shaped folded plate whose upper surface has an ear portion 24 bent downward, and is attached to the frame H so as to be movable in the line width direction and to be vertically adjustable.

Reference numeral 26 designates a trapezoidal folded plate that bends the lower ear portion 25 upward, and is attached to the pedestal H so as to be movable in the line width direction and vertically adjustable.

Reference numeral 27 designates a triangular folded plate that bends inward the protrusion from the upper surface of the ear portion which is bent upward from the lower surface, and is attached to the frame H so as to be movable in the line direction and up and down.

Reference numeral 28 denotes a gluing device for applying glue to the lug 25 on the lower surface, and is attached to the pedestal H so as to be movable in the line width direction and up and down. Reference numeral 29 denotes a triangular plate to which the tips 25' of the ears 25 on the lower surface that protrude from the upper surface are bent inward after being attached to the side surfaces and attached thereto, and is attached to the frame H so as to be movable in the line width direction and up and down.

Next, the case where paperboard packaging work is performed will be explained.

As shown in FIG. 2(a), first the paper roll 1 is placed on the support stand 2.
The surface of the paper 1 is sucked by the vacuum pad 4 at the beginning of the unwinding by having its tip caught in the pinch roll 3, and the vacuum pad 4 is then rewinded by the pinch roll 3. run at the same speed as.

On the roller table 8 at the packaging position on the line, a vertical board 6 and a protection plate 7 are arranged in advance to serve as a packaging stand, and the paper 1 fed onto the line is looped by the pinch rolls 3 and the vacuum pad 4. Forming roll 13, rear end paper winding device 9
, the trailing edge paper presser 10, the protection plate 7, and the front edge paper presser paper winding device ll, and then stops at its forward limit as shown in FIG. 2(b).

Subsequently, the rear presser bar 9' and the front presser bar 12 are lowered to press the paper 1, and in this state, the cutting plate 5, which is formed into a rectangular parallelepiped by stacking a large number of sheets, is placed in the packaging position by the transfer device 1B. Transfer onto paper 1.

The length of the paper 1 necessary for packaging the product 5 is measured by a measuring roll 14 in contact with the paper roll 1, cut into a preset length by a cutter 15, and loop-adjusted by a roll 13.

Next, as shown in FIG. 2(C), the suction of the vacuum pad 4 is released, the pad 4 is retracted upward, the trailing edge paper presser @ 10 is raised, and the cut paper (hereinafter referred to as wrapping paper) is removed. 1' is lifted in the thickness direction of the product while pressing against the rear end surface of the product 5, and stopped at the upper limit of the thickness of the product 5.

The leading end of the trailing edge paper holding device 10 is a link mechanism, which is rotated 90' to the front end side as shown in FIG. 2(d) to wrap the wrapping paper 1' around the corner of the product.

At the same time, the rear end paper wrapping device 9 is raised to the upper limit of the thickness of the product 5 as shown in FIG. Supplied to the front end side.

When the wrapping paper 1' passes through the presser bar 9' of the trailing edge paper winding device 9, the trailing edge paper winding device 9 is stopped (FIG. 2(e)).

Next, a gluing device 18 attached to the trailing end paper winding device 9 runs while dispensing glue in the width direction of the product 5, and glues it to the leading end of the wrapping paper 1' fed from the trailing end.

At the same time, the front edge paper pressing and wrapping device 11, which has been adjusted in advance according to the dimensions of the product, is raised, and while pressing the wrapping paper 1 against the front end surface of the product 5, it is raised to the upper limit of the thickness of the product 5, and then stopped.

When the pasting is completed, the trailing edge paper pressing device 10 is moved backward, and the front edge paper pressing device 11 is immediately moved to the rear end side, and the tip of the wrapping paper 1 that has been lifted to the upper limit of thickness is removed from the pasted trailing edge. It is overlapped and adhered to the leading end of the supplied wrapping paper 1 from the side, and one wrapping of the wrapping paper in the length direction of the product 1 is completed.

The trailing edge paper holding device 10 retreats to the rear position and returns to its original position.

After wrapping the wrapping paper, the trailing edge paper holding device 10 descends,
Instead, the trailing edge folding device 17 is positioned according to the width of the product.

The rear edge folding device 17 consists of a pair of inner plate 17 and outer plate 17o, as shown in FIG.
It is set slightly wider than the thickness of ゝ, and has a mechanism that allows the inner plate to move from the center of the thickness toward the upper and lower outer plates.

As shown in (a) of FIG. 3(a), the inner and outer panels are moved from the rear of the wrapped paper toward the front by the air cylinder 172, and as shown in (0) of FIG. 3(a), The inner plate at the thickness center position folds the rear end side tool from the rear end to the front edge, and then moves from the thickness center to the upper and lower outer plates, thereby squeezing the paper and eliminating slack.
Make creases in the paper by bringing the inner and outer panels closer together.

After the trailing edge folding is completed, the trailing edge paper winding device 9, the front edge paper pressing device 11, and the trailing edge folding device 17 are each retracted, and then the product is transported by the roller table 8. Then, as shown in Figure 4 ω, the rear end side ear part is folded in as shown in Figure 1 (
In the state of (a) of b), the front end edge folding device 20 is reached, and the front end edge is folded from the front end side to the rear end side here and the first edge is folded.
The state will be as shown in (b) in figure (b).

The front edge folding device 20, like the rear edge folding device 17, consists of a pair of inner and outer plates, both of which are adjusted according to the thickness of the product. The outer plate and inner plate are positioned on the roller table 8 according to the width of the product, and the front edge of the transported product is folded in from the leading edge toward the rear edge by the inner plate, and then folded in again. A crease is formed when the part passes through the gap between the inner and outer panels.

Furthermore, as shown in FIGS. 4(b) and (a), while the product is being transported, a diamond-shaped folded plate 23 is positioned in advance according to the width of the product.
, the upper side ear part 2 made by folding the rear end side and the front end
4, fold the ear part from the top side to the bottom side, and
Set the state as shown in Figures (b) and (c).

Thereafter, glue is dispensed from the gluing device 28 positioned in the width direction and glued onto the upper surface of the ear portion 25 on the lower surface side.

Place the glued lower edge on the trapezoidal folded plate 26 as shown in Figure 4 (c) and (~), and fold the edge from the lower side to the upper side to the state shown in Figure 1 (b) (→). do.

Furthermore, as shown in FIGS. 4(d) and (g), the part 27 protruding in the thickness direction of the product is placed on the triangular plate 29, the glued part is overlapped and adhered to the top of the product, completing the paper packaging, and the conveyance roller 8 The paper is transported forward and the paper wrapping work is completed.

Although the explanation has been omitted here, the devices with various operating parts in this device are connected to the drive device via a control device, so that the operation is controlled in a timely manner, and the device is automatically controlled. be done.

C Effects of the invention Folding is performed by applying the paper at the width end to the board, and (1) the paper holding, paper rolling, and paper folding devices can quickly respond to changes in the width, thickness, and length of the product. (2) Wrap the paper tightly around the product.
Since the edges are paper-folded, there is less intrusion of water, moisture, etc. that can cause rust on metal products. (3) There is no need to lift and lower large and heavy products, and there is no need for a lifting device, which simplifies the device.

[Brief explanation of the drawing]

FIG. 1(a) is a three-dimensional explanatory diagram showing an overview of the paper packaging device of the present invention, FIG. 1(b) is a three-dimensional explanatory diagram showing a part of the paper packaging process by the paper packaging device of the present invention, and FIG. (a) to (e) are side explanatory views showing an example of the operation of wrapping wrapping paper in the front and back direction of a product in the paper packaging device of the present invention;
) is an explanatory plan view showing an example of the process of folding the wrapping paper from the rear end of the product to the front end of the product, which protrudes from the product width edge, and Figure 4 shows the folding process of the edge of the wrapping paper that protrudes from the product width edge. For example, 0). (B), (C), C-) are plan explanatory views, (G) is (B)
, (f) is a side explanatory view of (c), and φ) is a side explanatory view of (d), respectively. 1; Paper roll 2; Support stand 3; Pinch roll 4; Vacuum pad 5; Product 6: Vertical board 7; Protective plate 8; Roller table 9; Trailing edge paper winding device 1O; Trailing edge paper pressing device 11; Front edge paper holder Paper winding device 12; paper pressing rod 13; two rolls 14; measuring roll 15: cutter 16; transfer machine 17; rear edge folding device 18; gluing device 20; front edge folding device
21; Inner plate 22; Outer plate 23; Diamond-shaped folded plate 24; Top edge 25; Lower edge 26-trapezoidal folded plate 27; Portion protruding in the thickness direction 28; Gluing device 29; Triangle Folded plate type patent attorney Tatsuo Chanoki Figure 2 (b) Figure 2<C) (d-n

Claims (1)

[Claims] A cut plate laminated in a rectangular parallelepiped shape is placed on a wrapping paper cut from a paper coil, the wrapping paper is wrapped around the laminated cut plate, and the edges of the wrapping paper protruding from the side edges of the cut plate are folded in. In a board paper packaging device, there are a pinch roll that unwinds the paper from a paper coil, a device that sucks the leading edge of the paper, runs in the line direction, and supplies the rewound paper to a packaging position on the line, and a device that unwinds the paper from a paper coil. A cutter that cuts to a predetermined length and a transfer machine that feeds the paper onto the line and place it on the rear end side of the product. A trailing edge paper holding device that lifts the paper, a trailing edge paper winding device that supplies the lifted paper to the front edge of the cutting plate while pressing it against the top surface of the cutting plate, and a trailing edge paper rolling device that presses the lifted paper against the top surface of the cutting plate and lifts it in the thickness direction while pressing it against the edge surface and continues lifting. a front edge paper holding device and a paper winding device that presses the cut paper against the top surface of the cutting board and supplies it to the rear end side of the cutting board;
A gluing device that glues the paper folded and wrapped from the rear and front ends, and a rear edge folding device that folds the rear side edge of the paper wrapped in the length direction of the cutting board from the rear edge to the front edge. A device, a front edge folding device that folds the front side edges of the paper from the front edge toward the rear edge while continuously conveying the cutting board using a roller table, and a front edge folding device that folds the edges of the front edge of the paper from the front edge toward the bottom edge. The upper end folding board, the gluing device that glues the paper edge of the lower edge side, the glued lower edge edge from the lower edge side to the upper edge side, the lower edge folding plate, and the lower edge edge that protrudes from the upper limit of thickness. and an upper folding plate which is folded and bonded onto the upper surface of the cutting plate.