JPH085451B2 - Packaging equipment for heavy-weight sheet laminates - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a laminated body (hereinafter simply referred to as a laminated body in which a plurality of heavy sheets such as a steel plate, an iron plate, an aluminum plate, and a stainless plate cut into predetermined dimensions are stacked. The present invention relates to a packaging device used for automatically paper-wrapping the entire surface of a pile).

[Prior Art] A means for automatically packaging a heavy material sheet such as a steel sheet manufactured by hot rolling or cold rolling is disclosed in Japanese Patent Laid-Open No.
-122581 or Japanese Patent Publication No. 58-22419.

That is, on the surface or side surface of the piles piled up,
After applying a seat protection money or a skid,
No automatic wrapping could be done other than banding with steel bands. In other words, even if it is necessary to wrap the entire surface of the piles with kraft paper, rust-proof paper, or the like before banding, there is no known device that automatically does this. Therefore, it is the current situation that each case is manually packaged.

Therefore, the present applicant previously proposed an apparatus for performing automatic packaging as the invention of Japanese Patent Application No. 60-29741.

The above-mentioned device is such that a stack (pile) of cutting plates, which is a heavy-weight sheet, is automatically wrapped on the entire surface with kraft paper or the like, and in particular, so-called caramel folding is performed.

However, there are the following problems when the left and right side faces are folded after the outer periphery of the pile is wrapped with wrapping paper in a roll shape.

8 to 10 are a side view, a plan view, and an explanatory view showing the above conventional example.

The wrapping paper W is separately transported by the transporting device C to the opening closing device 100 while being wrapped into the pile P in a rectangular tube shape.

That is, the device 100 is constructed according to the size of the pile P.
A folding member such as a metal horizontal sheet pile, which is set in advance in a moving state of left and right and up and down and is movable according to the setting state, is controlled by a driving member such as a cylinder to close the opening O. Is.

The horizontal sheet pile is arranged on the side of the transfer body P1 in which the pile P is semi-wrapped in a roll shape.
It is fixed to the reciprocating rod 103 of the driving member 102.

The opening closing device 100 includes an edge folding mechanism 100A that folds the wrapping paper W at a right angle from the vertical direction, and a driving mechanism 100B that laterally folds the transverse sheet pile 101.

In the edge folding mechanism 100A, a pair of left and right sliding frames 112 are supported by a guide rod 111 attached to a machine frame 110 as shown in the figure.
A restraining frame 113 for pushing the wrapping paper W from above is arranged near the center of the sliding frame 112, and the restraining frame 113 is pushed downward by a driving member 114 attached to the sliding frame 112. A folding plate 115 is arranged.

Further, an actuation frame 116 is arranged outside the restraint frame 113, and below the actuation frame 116, an arm 117 for pressing the lower side of the semi-packaged transfer body P1 is extended toward the center part. To be done.

Further, the operating frame 116 is provided with a driving mechanism 100B described below.

In the driving mechanism 100B, the horizontal sheet pile 101, which is moved by the reciprocating member 120 in parallel with the traveling direction of the transfer device C, has the transfer body P1.
Are arranged on both sides of.

The horizontal sheet pile 101 is slidably engaged with the guide shaft 122. The operating frame 116 has the wrapping paper W
An elevating plate 118 for folding the
The lift plate 118 is vertically moved by the reciprocating member 119.

Then, when the transfer P1 reaches the position of the opening closing device 100, the restraint frame 113 and the actuation frame 116 move the reciprocating member 12 together.
It is pushed toward the transfer body P1 by 0, and the left and right wrapping paper W is folded from the end toward the center.

Next, the folding plate 115 is moved downward by the reciprocating member 114, and the elevating plate 118 is moved upward by the reciprocating member 119, so that the upper and lower wrapping paper W is folded from the end toward the center.
After that, the wrapping paper W is attached by the adhesive tape T provided on the wrapping paper W, and the pile P is wrapped as illustrated.

[Problems to be Solved by the Invention] The above-described conventional example is epoch-making in that it laminates a heavy-weight laminate, which did not exist before, and protects the product from scratches and rust. It was

However, the following problems occur during packaging, and improvement is desired.

That is, when inserting the horizontal sheet pile from the lateral direction of the transfer body, folding the wrapping paper, and then folding the remaining wrapping paper from above and below by the folding plate and the elevating plate (edge folding), In order to prevent the folding plate or the elevating plate from hitting, after double-moving the horizontal sheet pile, at the position where the folding plate or the elevating plate is moved up or down or biased to the front (rear) of the horizontal sheet pile, It was necessary to move the folding plate and the lifting plate up and down.

However, even if each folding member is provided as described above,
The timing of the drive member may be misaligned, and in such a case, the horizontal sheet pile and the folding plate or the lifting plate come into contact,
There is a drawback that the member is damaged.

Also, when the horizontal sheet pile is double-moved when moving the folding member in the vertical direction, the member that presses the wrapping paper that has already been folded is released, and the wrapping paper expands forward (rearward). , It was difficult to do tight packaging.

Furthermore, since each of the folding members is entirely formed of a metal plate, the wrapping paper sometimes breaks or the metal plates collide with each other, resulting in damage to the folding member.

[Means for Solving the Problems] In the present invention, first, a stack of heavy objects such as iron plates stacked in a cubic or rectangular parallelepiped shape is first wrapped around a stack with a wrapping paper. A device for wrapping the openings left at the left and right ends thereof in the conveying direction by caramel folding, and a wrapping paper for folding the wrapping paper from above and below, and a side folding mechanism. A side sheet pile mechanism for inserting the side sheet pile, and an adjusting means for adapting the edge folding mechanism and the side sheet pile mechanism according to the width and height of the laminated body. A reciprocating member mounted on a frame fixed to an actuating rod of a driving member for reciprocating the movable member in parallel with the transfer body, and the transverse sheet pile mechanism further includes an electric motor having an output shaft on which a screw is engraved. , To this output shaft, A bearing in which a screw in the direction opposite to the shaft is provided, and a movable ring that moves up and down on the shaft is screwed in the rotating direction of the electric motor, while the other end of the output shaft is fixed on the frame. A bearing is attached to the movable ring and the peripheral end of the bearing.
One end of this bearing and the other end are connected by a hinge,
In addition, a horizontal sheet pile mechanism in a packaging apparatus for a heavy load sheet laminate, characterized in that two support rods provided with brushes are arranged in the transfer body direction.

[Operation] According to the present invention, the wrapping paper is rolled up and conveyed, and in particular, the side opening of the stacked heavy material sheet is closed as follows.

I. The positions of the edge folding mechanism and the transverse sheet pile mechanism are adjusted by the means described later according to the width and height of the carrier.

II. Activate the transverse sheet pile mechanism to fold the sides of the opening.

IIa) Drive the electric motor, which will be described later, and arrange it on both sides of it.
On the left and right sides of the electric motor, the screw rod having the screws whose screw threads face each other is turned, and the horizontal sheet pile mechanism is moved through the supporting member screwed to the screw rod to the corner angle of the transfer body. Adjust so that it is located in the area.

IIb) Next, the position of the brush is adjusted so that the side end of the transfer body and the tip of the brush are substantially in contact with each other by a driving member described later.

IIc) By driving the above-mentioned electric motor and moving the movable ring attached to the output shaft up and down, the thickness (width) of the transfer body
Adjust the opening angle of the movable rod that holds the brush so that the opening width is the same.

IId) A horizontal sheet pile mechanism is provided with a reciprocating member supported by a frame attached to the tip of a drive member that pushes in the direction of the transfer body, and an operating plate having one end fixed to the tip of the operating rod of the member. , Suction and fold the wrapping paper from the side.

IIe) Keep the brush in that state.

III. The upper and lower folding plates in the edge folding mechanism are operated by a drive member described below, the plates are inserted from above and below, the wrapping paper is folded from above and below, and the previously folded side is closed. Both wrapping papers are adhered by an adhesive tape which is superposed on the wrapping paper and is appropriately arranged.

[Embodiment] The present invention will be specifically described below based on an embodiment shown in the drawings.

As an example, the packaging device of the present invention is a caramel-folded wrapping paper W on the outer surface of a pile in which heavy-weight sheets cut into rectangular or square shapes are laminated so that the total weight is about 2 tons to several tons. The wrapping paper is then wrapped, and if necessary, the edges of the wrapping paper are adhered with an adhesive tape or the like.

FIG. 1 is a side view showing the opening closing device 1, FIG. 2 is a front view of the same, and FIG. 3 is a plan view showing a part of the device.

The packaging device of the present invention is formed by an edge folding mechanism that folds the wrapping paper up and down, and a side sheet pile mechanism that folds it from the side.

In addition to that, the product is finally packaged by a gluing device and a banding device (not shown).

The gantry 1 is arranged with an appropriate width in a direction orthogonal to the traveling direction of the transfer body P1, and is movable above the gantry 1 only in a direction parallel to the traveling direction for fine adjustment. 2 are provided.

Further, the bearing 3 fixed to the movable mount 2 is provided with screw rods 4 on the left and right sides of which the central bearing 3a is sandwiched, in which screws are engraved in opposite directions.

The screw rod 4 is belt-driven by an electric motor 5 attached to the frame 2. Further, the movable mount 2 is fitted to the rail 7 on the mount 1 so that its position can be adjusted by a driving member 6 such as a cylinder.

Next, a frame 8 is attached to the movable base 2 in parallel to the traveling direction, and an opening portion for closing the opening portion of the transfer body P1 on which the wrapping paper W has been already wound and conveyed. A closure device 9 is supported.

That is, in the frame 8, a frame 10 for pressing the upper part of the transfer body P1 is arranged near the center of the transfer body P1, and the pressing frame 10 has a driving member 11 such as a cylinder arranged above it.
It is moved up and down by.

Further, in order to fold the wrapping paper W from above, the upper folding plate 12 as the upper blade is fixed to the holding frame 10 by the drive member 13
It is attached to the tip of and moved up and down.

On the other hand, the lower side of the transfer body P1 is supported by a frame 14, and the frame 14 is attached to the tip of a drive member 15 fixed to the frame 8 and moved up and down.

Further, another drive member 16 is fixed to the support frame 14, and a folding arrow 17 as a lower blade is attached to the tip of the member 16.

Then, the support frame 14 and the folding arrow 17 are moved up and down by the drive mechanism shown in FIG.

That is, the actuation frame 19 is arranged at the tip of the drive member 18 fixed to the gantry 8, and the drive member 20 is fixed near the conveyance line of the actuation frame 19 and at the tip of the connecting rod 21 thereof. A movable frame 22 is vertically installed.

Further, the movable frame 22 is provided with an arm 23 extending in the transport line direction, and a lower folding plate 17 is arranged above the arm 23.

Then, the actuating frame 19 is moved up and down by the driving member 18, and the position of the lower folding plate 17 is adjusted according to the thickness of the carrier P1.

Further, the lower folding plate 17 is moved up and down by the drive member 20 to fold the wrapping paper W from below.

Next, a lateral sheet pile mechanism that moves in the same direction as the transport line and folds the wrapping paper W from the front-back direction of the transport body P1 will be described.

The horizontal sheet pile mechanism 24 is arranged in parallel with the conveying direction, and a frame 28 is attached to a support member 27 screwed to a screw rod 26 driven by an electric motor 25, and a guide shaft is provided above the frame 28. 29 are communicated with each other, and a drive member 30 is fixed in an intermediate portion between the screw rod 26 and the guide shaft 29 in a direction intersecting the conveyance line.

Further, guide shafts 32 and 33 are disposed above and below the connecting rod 31 with the rod 31 interposed therebetween.

An electric motor 35 is attached to the upper ends of the support frames 34 at the ends of the guide shafts 32 and 33. The output shaft 36 of the electric motor 35 has a movable ring 37 in which a ball is held inside and a reverse screw is engraved.
The lower end of is supported by the bearing 38.

Further, a brush 39 is arranged at the peripheral end portions of the movable ring 37 and the bearing 38 and near the transfer body P1 as follows.

That is, as shown in FIGS. 6 to 7, the brush 39
Is a bearing 40 attached to the movable ring 37 and a frame 41.
One end of the bearing 42 fixed on the upper side is supported, and the other end is fixed in a groove of a support rod 45 connected by a hinge 44.

On the other hand, the horizontal sheet pile mechanism 24 is attached to a frame 30b fixed to the operating rod 30a of the member 30 that reciprocates the mechanism 24 in the direction of the transfer body.

That is, the electric motor 35 is fixed to the plate 30c attached to the upper stage of the frame 30b.

Further, the output shaft 36 is attached to the frames 41, 41 mounted above and below the frame 30b at appropriate intervals,
It is supported via bearings.

Driving the electric motor 35 rotates the output shaft 36,
Since the movable ring 37 meshing with 36 is provided with a reverse screw, the movable ring 37 is moved up and down in accordance with the rotation direction of the output shaft 36. Therefore, in order to obtain the dimension corresponding to the thickness (height) of the transfer body P1, the dimension can be freely adjusted.

The horizontal sheet pile mechanism 24 is provided with a pair of similar ones sandwiching the transport line, and is also provided in parallel with the transport direction. That is, the transverse sheet pile mechanism 24 is arranged at each corner of the plane rectangle.

Then, when the screw rod 26 is rotated by the electric motor 25, the mechanism 24 attached to the support member 27 is moved toward or away from each other according to the rotation direction thereof.
Be moved.

As a result, since the hinges 44 of the transverse sheet pile mechanism 24 are arranged facing each other, the hinges 44 are moved parallel to the transport direction and toward the center of the packaging body W (transport body P1), and the transport body P1. The position of the brush 39 is matched with the corner of the transfer body P1 according to the size of the.

Further, in order to correspond to the width of the transfer body P1, the electric motor 5 is driven, the screw rod 4 is rotated, and the gantry 8 is moved. At that time, the one pedestal 8a arranged at the other end of the screw rod 4 is moved in the opposite direction to the pedestal 8, so that the width of the transfer body P1 can be adjusted. .

The cylinder 6 allows the screw rod 4, the electric motor 5, the gantry 2 and the like to be moved in a lump so as to finely adjust the width.

Then, with respect to the thickness (height) and width of the transfer body P1,
The position of the opening closing device 9 is adjusted.

Next, in order to prevent breakage of the wrapping paper W and to fold the corners, the driving members 11 and 16 are respectively pushed to press the top and bottom of each corner of the transfer body P1 with a holding frame and a support frame. The wrapping paper W is held and fixed so that the wrapping paper W does not move when it is folded next from both sides.

Further, in order to block the opening of the transfer body P1 from the side, the transverse sheet pile mechanism 24 is moved from the state shown by the chain line in the figure to the state of the solid line by the operation of the reciprocating member, and as a result, the brush 39 However, the wrapping paper W is moved while being folded, and the wrapping paper W at the opening is folded from both sides. Then, the brush 39 is held in the folded state, and subsequently,
The wrapping paper W is folded in the following manner from the vertical direction.

That is, the drive members 11 and 20 attached to the gantry 8
Is operated to move the upper folding plate 12 and the lower folding plate 17 up and down respectively. At that time, both plates 12,1
7 is bent downward by the upper folding plate 12 and upward by the lower folding plate 17 by the elasticity of the bristles of the brush 39, and is formed so as not to cause any hindrance when folded in the vertical direction. Has been done.

Therefore, until the moment when the bristles of the brush 39 are bent by moving the upper and lower folding plates 12 and 17, the brush 39
Holds the wrapping paper W, and can perform a reliable and beautiful folding.

[Advantages of the Invention] The present invention folds the wrapping paper with a brush,
Even if the folding arrow is moved from above and below, the bristles of the brush are elastically bent and the metal plates come into contact with each other, thereby damaging the portion.

Furthermore, since the width of the brush can be freely adjusted according to the thickness (height) of the transfer body, it is not necessary to replace the metal plate (folding arrow) each time according to the transfer body, and workability is greatly improved. In addition, the invention is excellent in practicability because the cost can be reduced because it is not necessary to prepare a plurality of horizontal sheet piles.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of the present invention, FIG. 2 is a side view of the same as above, FIG. 3 is a plan view showing a part of the same as above, and FIG. 4 is a front view showing an essential part of the present invention. FIG. 5 is a front view showing a movable mechanism of a lower folding plate, FIG. 6 is a front view showing a transverse sheet pile mechanism, FIG. 7 is an enlarged view showing a brush portion, and FIGS.
FIG. 10 is a front view showing a conventional example, a side view and an explanatory view showing a folded state. 1 ... Frame, 2 ... Movable frame, 3 ... Bearing, 4 ... Screw rod, 5 ...
Electric motor, 6 ... Driving member, 7 ... Rail, 8 ... Frame, 9
... Opening block device, 10 ... Holding frame, P1 ... Transport body, 11 ... Driving member, W ... Wrapping paper, 12 ... Top folding plate, 13 ... Driving member,
14 ... Frame, 15 ... Driving member, 16 ... Driving member, 17 ... Folding arrow,
18 ... Drive member, 19 ... Actuating frame, 20 ... Drive member, 21 ... Link rod,
22 ... Movable frame, 23 ... Arm, 24 ... Side sheet pile mechanism, 25 ... Electric motor, 26
... Screw rod, 27 ... Support member, 28 ... Frame, 29 ... Guide shaft, 30 ... Drive member, 31 ... Link rod, 32,33 ... Guide shaft, 34 ... Frame, 35 ... Electric motor, 36 ... Output shaft, 37 ... Movable ring, 38 ... Bearing, 39 ... Brush, 40 ... Bearing, 41 ... Frame, 42 ... Bearing, 44 ... Hinge, 45 ... Support rod, 46 ... Reciprocating member.

Claims (1)

[Claims] 1. A wrapping paper is used to first wind the laminated body around the entire peripheral surface of the laminated body in which heavy sheets such as iron plates are stacked in a cubic or rectangular parallelepiped shape, and then, in the conveying direction, A device for wrapping the openings left at the left and right ends by caramel folding, comprising an edge-folding mechanism for folding the wrapping paper in the opening from above and below and a side sheet pile mechanism for folding from side. It has adjusting means for adapting the edge folding mechanism and the horizontal sheet pile mechanism according to the width and height of the laminated body, and the horizontal sheet pile mechanism serves as an operating rod of a drive member that reciprocates it in the transport body direction. A reciprocating member attached to a fixed frame is movable in parallel with the transfer body, and the transverse sheet pile mechanism further has an electric motor having an output shaft with a screw engraved, and this output shaft is provided with the electric shaft. Reverse direction screws are installed internally And a movable ring moves vertically on the shaft is screwed by the rotation direction of the motor, whereas the other end of the output shaft is supported in bearings fixed to the frame, furthermore,
A bearing is attached to the peripheral ends of the movable ring and the bearing, one end of which is fixed to the bearing and the other end of which is connected by a hinge, and two brushes are provided so as to project toward the transfer body. A packaging device for a heavy-weight sheet laminate, comprising a supporting rod.