JPS63132039A - Expander for stucked board blank - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] [Object of the Invention] (Industrial Application Field) The present invention relates to a stacked board in which, for example, each edge of a stacked board material made of double stacked board materials is expanded and bent. Regarding the expansion Vt position of the material.

(Prior Art) Conventionally, a device has been used that folds a board made of, for example, a corrugated board in half and then folds the stacked board material in two, expanding and folding each edge of the stacked board material in directions that separate from each other. is used, for example, in a partition box forming apparatus shown in Japanese Utility Model Application Publication No. 60-96021.

This device for expanding the stacked board material vertically expands the edges on both the left and right sides of the stacked board material in the feeding direction. By placing a wedge-shaped guide body from above, the tip of this guide body passes through the notch made in the upper plate material and pushes down the lower plate material, and in this state, the stacked plate material is advanced. By doing so, each overlapping plate material of the stacked plate material is expanded 1711 in a direction away from each other.

<Problems to be Solved by the Invention> In the above-mentioned device, it is possible to widen each overlapping plate material located at the left and right edges of the stacked plate material in the feeding direction. It is not possible to widen the overlapping plates located at the side edges. Therefore, when it is necessary to spread out each overlapping plate material at the front edge of the stacked plate material in the feeding direction, it cannot be used with the above-mentioned partition box forming apparatus, and it must be done manually. You have no choice but to rely on it, which hinders automation.

The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide an expanding device for stacked board materials that can automatically expand each overlapping board of stacked wood boards. It is something.

[Structure of the invention]

(Means for Solving the Problems) The present invention provides at least two
A pair of base portions 47 and 48 are provided to which the laminated plate material 3 in which the plate materials 17 are piled up are provided, and the base portion 47.48 is provided.
A pair of rotating parts 50 facing the expanding side edge of each plate material 17 of the stacked plate material 3 supplied between the base parts 47 and 48 are provided at the tip of each base part 47 and 48 via hinges 49 so as to be rotatable in opening and closing. Furthermore, at the tip of each rotating portion 50, an engaging claw 60 that engages with each plate @17 whose expansion rotation direction is the same as that of each rotating portion 50 is movable toward the edge tip of the stacked plate material 3. In this case, a pawl driving section 58 is installed which slides each of the engaging pawls 60 to engage and disengage each of the plate members 17 whose opening and rotational direction is the same as that of each of the rotating sections 50. An opening/closing drive section 63 is provided for rotating the section 50 to open and close it.

(Function) The present invention supplies the stacked plate material 3 between each base 47 and 48, and makes the expansion side of the stacked plate material 3 face each rotation part 50,
By engaging the engaging pawl 60 of each rotating part 50 with each plate material 17 whose opening rotation direction is the same as that of each rotating part 50, and rotating each rotating part 50 to expand, each plate material 17 are expanded in directions away from each other.

(Example) Hereinafter, the configuration of an example of the present invention will be described with reference to the drawings.

First, a partition box 1 manufactured by a partition box forming apparatus using an expanding device of the present invention will be described. As shown in FIGS. 6 and 7, this partition box 1 consists of a first plate material 2 serving as an outer box and a second plate material 3 serving as an inner partition, each of which has 2.3 is made of corrugated paper.

The first plate material 2 includes a bottom plate 4, a pair of side plates 5 provided from the bottom plate 4 via a fold line, and a pair of lid plates 6 provided from each side plate 5 via a fold line. , an insert plate 7 provided from each lid plate 6 through the fold line, and a pair of insert plates 7 provided from each edge of the bottom plate 4 on both sides via the fold line and cut in the center to be divided into two. Connecting plate 8
and a connecting plate 9 provided along a fold line from each edge of the side plate 5 on both sides, and is supplied to the partition box forming apparatus in the form of one flat plate as shown in FIG. 6). In addition, the bottom plate 4
A separation band 11 is provided at the center of the bottom plate 4 between two separation perforations 10 provided along the entire width direction of the bottom plate 4.

The second plate material 3 has a separation perforation 12 in the center.
A side plate 14 is provided along the fold line from both the left and right sides of the partition plate 13 and is cut parallel to the perforation line 12 to be divided into two parts. It consists of a bottom plate 15 provided through the bottom plate 15. Note that a notch groove 16 is provided at a joint portion between one side edge of each side plate 14 on both sides of the partition plate 13 and the partition plate 13.

When assembling the partition box 1, please refer to Figure 6 (C
), the second plate material 3 is folded from the perforation 12, and each plate material 17 consisting of the partition plate 13, side plate 14 and bottom plate 15 is overlapped twice, and then the sixth plate material 3 is folded from the perforation 12.
As shown in FIG. 0, each bottom plate 15 is expanded and bent in opposite directions, and each side plate 14 is expanded and bent in opposite directions, and the second plate material 3 formed in this way is formed. is pressed against the center bottom plate 4 of the first plate material 2 in a flat state, and as shown in FIG. 6 (2), each side plate 5 of the first plate material 2 is bent inward, and each connection is The inner surface of the plate 8 is joined to the outer surface of each side plate 14 of the second plate material 3, and each connecting plate 9
are joined to the outer surface of each side plate 14 of the second plate material 3. At this time, adhesive is applied to the inner surface of each connecting plate 8.9, so that the assembled state as shown in FIG. 6(2) can be maintained. Therefore, as shown in FIG. 6(C), the partition plate 1
3. Each plate material 17 consisting of the side plate 14 and bottom plate 15 is
The second plate material 3 in the heavily folded state becomes a stacked board material, and is supplied to the expansion gi@ in the state of this stacked board material.

In this assembled state, each partition plate 13 of the second plate material 3 partitions the storage space 18 of the partition box 1 into two, and
Each storage space 18 can be closed off by inserting the insertion plate 7 at the tip of each lid plate 6 into each side of the partition plate 13.

Furthermore, as shown in FIG. 7, this partition box 1 is constructed by cutting out the separation strip 11 of the bottom plate 4 along two perforations 10 and separating each partition plate 13 along perforations 12. , and can be separated into two separate boxes ta and 1b, and in this separated state, each partition plate 13 functions as a side plate. At this time, each box body 1a is separated by cutting out the wide separation strip 11 of the bottom plate 4.

Although a part of the edge of the bottom plate 4 of 1b is removed, the bottom plate 15 is located in the removed part and closes it, so that each box 1
No groove-like holes are opened at the bottoms of a and tb.

Next, the partition box forming apparatus 21 for forming the partition box 1 from the first and second plate materials 2.3 as described above will be explained.

As shown in FIG. 2, this partition box forming apparatus 21 includes a base 24 consisting of a pair of side frames 22 and a bottom frame 23 that connects the side frames 22, and a base 24 that is erected on the bottom side of the base 24. A separate frame 27 consisting of a pair of pillars 25 and a connecting frame 26 connecting both pillars 25 is provided.

A first plate material supply section 28 is provided on the front side of the ridge frame 27, and this first plate material supply section 28 supplies the first plate material 2.
A pair of guide rails 29 are installed along the upper and lower parts of the machine frame 27 at intervals corresponding to the width of the machine frame 27, and a plurality of first plate materials 2 are vertically stacked and held on top of the guide rails 29. A hopper 3G is provided, and a pair of lead-out rollers 31 are provided at the bottom of the hopper 30 to lead out the first plate materials 2 in the hopper 30 one by one between the guide rails 29 below.

Note that a coating device 32 is provided on each guide rail 29 in the lower area of the hopper 30, and a coating device 32 is installed on each guide rail 29 in the lower area of the hopper 30.
Adhesive is applied to the front surface of each of the connecting plates 8 and 9 on both sides of the first plate material 2 derived from the first plate material 1 (the surface to be joined to the side plate 14 of the second plate material 3).

A second plate material supply section 33 is provided on one side frame 22 of the base 24, and this second plate material supply section 33 includes a supply stand 34 attached to the upper part of the side frame 22, A hopper 35 is provided on the supply table 34 to hold a plurality of the second plate materials 3 horizontally, and one sheet of the second plate materials 3 in the hopper 35 is placed inside the supply table 34 from the bottom. A lead-out tmIM 34a is provided which leads to the expansion device 46, which will be described later. Note that this derivation depression 34a is, for example, a second
A button is provided on the crank mechanism that moves forward and backward in the direction in which the plate material 3 is taken out, and this needle is inserted into the lowest second plate material 3 in the hopper 35 when the crank moves horizontally, and the second plate material 3 is removed. 3 is drawn out, and the drawn out second plate material 3 is further held by a drawing roller (not shown) disposed on the drawing side of the hopper 35 and led out to the expanding device 46. There is. In addition, the second plate material 3 stacked inside the bottom 35 marked with "-" is placed on the partition plate 13 as shown in FIG. 6(C).
The stacked board material is folded in half from the perforation 12, and the edge on the bottom board 15 side is the first board material 2.
Stand at desks stacked on top of each other, facing to the side.

On the bottom frame 23 of the base 24, a box molding male mold 36 is provided on the front side of the machine frame 27 so as to be movable toward the rear side of the machine frame 27, and a box molding group is provided on the rear side of the front frame 27. A pear 37 is provided.

As shown in FIG. 3, this box-molding male mold 3G
A rectangular frame-shaped seven mandrel 39 is provided that is movable along a rail 38 provided in the front and back direction on the bottom frame 23 of the board, and this mandrel 39 abuts on the four inner corners of the bottom plate 4 of the first plate material 2. It has four kickers 40, and each of the upper and lower kickers 40 is connected to the holder root 11 covering the side surface via a plurality of attachment pieces 42, and the left and right kickers 40 are connected by a plurality of boulder rods 43. In addition, one end of the air cylinder 45 is connected to a support shaft 44 installed between the lower mounting plates 42 so as to be able to move around the base 24 along the rail 38. It moves in the front-back direction and is semi-retracted into the box-forming female mold 37.

Further, as shown in FIG. 1, an expanding device 46 is provided between the holder plates 41 inside the mandrel 3S. This expansion device 46 includes a pair of base portions 47.48 arranged vertically opposite to each other, and a pair of rotating portions 50 rotatably provided at the tips of the base portions 47.48 via hinges 49, respectively. and a distance p that allows the second plate material 3 to be inserted between each base 47□48 and the rotating part 50.
A plate material holding groove 51 is provided. The upper base 47 is made of a single plate and has both ends fixed to the holder plates 41 on both sides, and the lower base 48 has a fixed base 48a whose both ends are fixed to the holder plates 41 on both sides. and a movable base 48b rotatably provided at the tip 9 of the fixed base 48a via a hinge 52, and an air cylinder attached to the fixed base 48a via a support plate 53 is attached to the movable base 48b. 54 operating shafts 55 are connected,
The operation of this air cylinder 54 causes the movable base 48b to rotate toward the upper base 47! 71 I do. Note that the base 47
A stopper plate 56 that comes into contact with the bent portion of the second plate material 3 is provided between the fixed base 4Ba and the base 47.
Fixed base 7! I! Through openings (not shown) are formed in the holder plates 41 on both sides corresponding to the plate material holding grooves 51 between the mandrel 48a and the mandrel 39. One holder plate 41
The second plate material supply section 33 is arranged to supply the second plate material 3 into the insertion groove 51 facing the through opening of the other holder plate 41, and facing the through opening of the other holder plate 41 and supplying the second plate material 3 into the insertion groove 51. A positioning stopper (not shown) is provided which abuts the tip of the second plate material 3 on the supply side to position the second plate material 3 with respect to the mandrel 39.

Further, an air cylinder 58 as a pawl driving section is attached to each support body 57 provided in plurality on the outer surface facing the upper surface or the lower surface of each rotating section 50.
A lever 61 having several nail-shaped engaging claws 60 at its tip is attached to the illumination @ 59 of 8, and each of the engaging claws 60
is inserted into the insertion groove 50b provided in the abutting edge 50a at the tip of each of the rotating parts 50 so as to be movable, and the second material is supplied into the plate material holding groove 51 by the operation of the air cylinder 58. The tip of each bottom plate 15 of the plate material 3 is pierced.

Further, a support shaft 62 is provided protruding from the side of the air cylinder 58 of each of the rotating parts 50 on the air introduction part 58a side.
The operating shaft ( ) 4 of the air cylinder 63 as an opening/closing drive unit
One end of the air cylinder 63 is rotatably connected, and each rotating portion 50 is rotated to open and close by the pulsation of the air cylinder 63.

As shown in FIG. 3 and FIG. Each bending guide 65 is arranged corresponding to the four corners.
The starting end sides 65a facing the mandrel 39 are curved and expanded outwardly away from each other, and the terminal end side G5b has the external dimensions of the partition box 1.

Further, as shown in FIG. 5, a wedge-shaped guide body 66 is arranged facing both sides of the tip of the mandrel 39 in a standby state, and this guide body 6G is attached to the operating shaft 6 of the air cylinder 67.
8 and is attached to a guide plate 69 that moves up and down. The guide body 66 has a wedge-shaped tip 66a facing parallel to the front surface of the mandrel 39, and an arbor surface 66a facing the side surface of the mandrel 39 that crosses over from above to form a wedge-shaped tip. 66a, it gradually approaches the side surface of the mandrel 39, and when the guide body 66 descends, the wedge-shaped tip 166a passes through the notch 16 of the upper side plate 14 of the second plate material 3. The lower side plate 14 is brought into contact with the lower side plate 14, and the lower side plate 14 is pushed down.

Next, the manufacturing process of the partition box 1 will be explained.

The pair of lead-out rollers 31 of the first sheet material supply section 28 are rotated to lead out one sheet of the first sheet material 2 from inside the hopper 30 between the guide rails 29 below the hopper 30 . At this time, each connecting plate 8 of the first wooden board 2 is coated by the coating device 32.
．． 9 (the surface to be joined to the side plate 14 of the second plate material 3)
Apply adhesive to. The first plate material 2 led out between the guide rails 29 is vertically positioned and held with its lower end abutting against a stopper (not shown) provided below between the guide rails 29.

The draw-out section 34a of the second plate material supply section 33 is operated to draw out the lowest second plate material 3 in the hopper 35 toward the mandrel 39, and each base 47 in the mandrel 39.
A second plate is placed in the plate material holding groove 51 between the 48 questions and the rotating part 50.
The board material 3 is supplied. This supplied second board material 3
As shown in FIG.
The tip of the second plate material 3 on the supply side is positioned in contact with a stopper (not shown) disposed on the opposite side to the supply section 33 .

After supplying the second plate material 3, the air cylinder 54 of the expanding device 46 is operated to move the movable base 4 around the hinge 52.
8b is rotated upward, and the second plate material 3 supplied into the plate material holding groove 51 is held between this movable base portion 48b and the upper base portion 47.

After the second plate material 3 is clamped, the air cylinder 58 of the expansion device 46 is operated to pierce each engagement claw 60 into the tip of each bottom plate 15 of the second plate material 3, and then the expansion ' Each air cylinder 63 of Aa46 is operated to move each rotating portion 50 to the first position.
It expands and rotates from the solid line position to the imaginary line position. As each rotating portion 50 rotates, the bottom plates 15 of the second plate material 3, which are overlapped in double layers, separate from each other from the hinge 49, that is, the fold line with the partition plate 13. It can be expanded and bent by one bar.

After the second plate material 3 is clamped, the air cylinder G7 is operated to lower each guide body 06, so that the wedge-shaped tip G6a of the guide body 66 is attached to the mandrel 3.
The lower side plate 14 is inserted through the cutout groove 16 of the upper side plate 14 protruding from the side surface of
Press down a little.

Next, the air cylinder 45 of the male box mold 36 is operated to move the mandrel 39 onto the first plate material 2 and the female box mold 3.
Move it forward in the direction of 7. As the mandrel 39 moves forward, the tip portion 66a of each guide body 66 enters between the vertically overlapping side plates 14, expanding the doubly overlapping side plates 14 away from each other, and each guide body 66
The holder plate 4 on both sides of the mandrel 39 on the tapered surface 66b of
1, each side plate 14 is bent from the crease line between the side plate 14 and the partition plate 13.

Then, by advancing the mandrel 39 as it is, the front surface of the mandrel 39 comes into contact with the bottom plate 4 of the first plate material 2 and is pushed into the box-forming female mold 37 together with the first plate material 2. At this time, each side plate 14 of the second plate material 3 comes into contact with the edge of the bottom plate 4, and each bottom plate 15 of the second plate material 3 is joined to the bottom plate 4 surface.

The first plate material 2 pushed into the box-forming female die 37 by the mandrel 39 comes into contact with each horizontal bending guide 65, so that each side plate 5 is bent from the 15th line of sight with the bottom plate 4. At the same time, each connecting plate 8 is bent from the crease line with the bottom plate 4 by coming into contact with each of the vertical bending guides 65, and is further being bent by each of the horizontal bending guides 65. The connecting plate 9 provided on each side plate 5 is a vertical bending guide 65.
The partition box 1 formed in this way can be bent from the fold line with the side plate 5, and can be formed into the shape of the partition box 1 as shown in FIG. Since adhesive is applied to the surfaces of the plates 8 and 9 that are mated to the side plates 14, the formed state can be maintained.

Then, each engaging claw 60 of the expanding device 46 is attached to the second plate material 3.
The operation of removing the engaging claws 60 from the tip of each bottom plate 15 is performed when the bottom plate 15 is bent or when the bottom plate 15 is joined to the bottom plate 4 of the first plate material 2. ), the bent and formed partition box 1 is placed in a box-forming female mold 3.
After pushing out from the rear end of 7, the mandrel 39 is retreated to the front side of the base 24, each rotating part 50 is interrogated, and each guide body 66 is raised to start the next box forming operation for 1 hour. do.

The partition box 1 formed in this way is shown in Fig. 6 (
As shown in a), the internal storage space 18 is partitioned by a partition plate 13, and as shown in FIG. In this case, since the bottom plate 15 covers the bottom from which the separation strip 11 has been separated, no holes will be formed in the bottom of each of the boxes 1a and 1b.

In addition, in the above embodiment, the pawl drive section 58 and the opening/closing drive section 63
Although a single cylinder is used, for example, a solenoid, a motor, etc. may be used directly or via a d-structure such as a crank.

Further, in the above embodiment, in the expanding device 46, each engaging pawl 60 is inserted into the tip of each bottom plate 15 of the second wood board 3 to expand the width, but as shown in FIG. , the notch grooves 15a are provided in the tip edges of the upper and lower bottom plates 15 in a vertically shifted manner, and the engaging claws 60 of the upper rotating portion 50 that rotate upward are connected to the respective engagement claws 60 of the lower bottom plates 15. At the same time, the engaging claws 60 of the lower rotating part 50, which rotates downward, are inserted into the notches 15a of the upper bottom plate 15, and each rotation thereof The portion 50 is rotated by each rotating knob.
The engaging claw 60 rotates upward by rotating in the direction.
When the engaging claw 60 that rotates downward contacts the lower edge of the upper bottom plate 15 and pushes it up, the engaging claw 60 rotates downward.
abuts against the top edge of the bottom plate 15 and presses down, thus each bottom plate 15
can be expanded and bent. This case is particularly effective when the second plate material 3 is thin or has low strength.

(Effects of the Invention) According to the present invention, the stacked wood boards are supplied between each base, the expanded side of the stacked board material faces each rotating part, and the engaging claw of each rotating part is rotated each time. By engaging each plate material in which the moving part and the expanding rotation direction are the same, and rotating each rotating part to expand, each plate material can be reliably expanded in the direction away from H. It is possible to automatically widen each overlapping board material of the stacked board material.

[Brief explanation of the drawing]

FIG. 1 is a side view showing an example of an actual expanding device of the present invention, and FIG. 2 is a f! 1 is a perspective view, FIG. 3 is a partially sectional view, and FIG. 4 is a partially perspective view.
Fig. 5 is a partial side view thereof, Fig. 6 is a perspective view illustrating the flute forming process, Fig. 7 is a perspective view showing an example of how the box is used, and Fig. 8 is an intussusception in another embodiment of the present invention. It is a perspective view of a plate material. 3. Second plate material as stacked plate material, 17. Plate material, 47. 48. Base, 49. Hinge, 50. Rotating part, 58. Air cylinder as claw drive part, 60・・・
Engagement claw, 63...Air cylinder as an opening/closing drive unit.

Claims (1)

[Claims] (1) At least two
A pair of bases are supplied with stacked board material made by stacking board materials, and a pair of bases are provided at the tip of each base so that they can be rotated open and closed via hinges, and the stacked board material is supplied between the bases. A pair of rotating parts facing the expansion side edge of each plate material, and a pair of rotating parts provided at the tip of each rotating part so as to be slidable in the direction of the edge tip of the stacked plate material, and each rotating part and the expansion rotation direction. an engaging pawl that engages with each plate material having the same direction, a pawl drive unit that slides each of the engaging pawls to engage and disengage each rotating portion from each plate material that has the same expansion rotation direction, and each of the above-mentioned rotating portions. An opening/closing drive unit that rotates the parts to open and close them;