JPH1077007A - Box cover reforming equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a box cover open or nearly open to a horizontal condition, to surely prevent a damage to a package due to collision with the box cover and to more efficiently reform the box cover by making a pressing member able to open and close freely and by opening the presssing member advanced in a closed condition into the box cover which is closed and standing perpendicular. SOLUTION: When a corrugated cardboard box D is supplied at a reforming position, a swinging shaft 31 lowers together with a lifter block 25 a pressing member 32 in a closed condition to the lowest level and roughly to the same height as the bottom edge (folding line) of a box cover d which is standing perpendicular, and pushes the pressing member 32 into the box cover. After this, a lifter block 30 is lowered to the lowest position and the pressing member 32 is swung in the open/close direction of the box cover d to make the same into an open condition. At this time, a pressing face 34 keeps on pressing the box cover d standing perpendicular outside and downward to open the box cover. When the lifter block 30 reaches the lowest position, the box cover d pressed with the pressing face 34 becomes nearly horizontally open. After this, the open condition is kept for a predetermined time.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for making a cardboard box box cover open outward so that a synthetic fiber package can be easily packed in a cardboard box.

[0002]

2. Description of the Related Art Conventionally, there has been known an automatic transport system in which a package boxing station is provided in a transport line of a synthetic fiber package (hereinafter, referred to as a "package"). At the package packing station, the packages and cardboard boxes automatically conveyed by the conveyor are sequentially taken in, and multiple packages are lifted and lowered simultaneously and multiple packages are simultaneously lifted, and the pitch between the chucks is changed. While moving to the top of the cardboard box, and then lowering the package being chucked, packing is performed.

[0003] A cardboard box for packing packages is
The box is automatically assembled by the box assembling apparatus in a state where only the bottom is closed, that is, the upper box lid is open and upright, and then conveyed on a conveyor and supplied to a box packing station. The box filling station is provided with a box cover setting device for setting the card box box cover in an upright state to the outside opened so that the package does not interfere with the upper end of the box cover during packing. I have.

FIG. 5 shows a schematic diagram of such a device. In this hammering device, bent portions 31 are formed obliquely outward and obliquely upward in four directions (front, rear, left and right) of the flat pressing member 30, and the pressing member 30 is lowered from above the cardboard box D by lowering the pressing member 30. , Bent part 3
In step 1, the box lid d is opened outward while being pressed from above to perform a habit.

[0005]

However, in such a conventional hammering device, the box lid d can be opened only by an amount corresponding to the bending angle θ of the bending portion 31, so that the interference of the package is ensured. It was necessary to press for a long time in order to give the box cover d a habit to such an angle that it could be prevented. In order to open the box lid d almost horizontally, it is necessary to make the bending angle θ of the bent portion 31 small, but if this bending angle θ is too small, the box lid d is caught on the upper end of the box lid d when descending, and the box lid d is securely held. Could not be opened outward.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object thereof is to quickly and surely attach a box cover such as a cardboard box for packing a package to a state where it is opened outward by a predetermined angle or more. It is an object of the present invention to provide a device for customizing a box cover that can be used.

[0007]

In order to achieve the above object, an invention according to claim 1 is a device for hammering a box cover in an upright state such as a cardboard box in a state of being opened outward, The present invention is a box cover setting device in which a pressing member capable of pressing the box cover is configured to be openable and closable. In this invention, since the pressing member is configured to be openable and closable, by opening the pressing member that has entered the box lid in the upright state in the closed state, the box lid can be opened to a horizontal or nearly horizontal state. .

According to a second aspect of the present invention, the pressing member swings in the opening and closing direction of the box lid to open and close. According to the present invention, since the pressing member swings in the opening and closing direction of the box cover, no excessive pressing force is applied to the box cover by the opening operation of the pressing member.

The invention according to claim 3 has a plurality of pressing members that open and close in different directions, and the plurality of pressing members open and close in conjunction with each other. According to the present invention, one drive source for opening and closing (for swinging) the pressing member can be provided.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings, but the present invention is not limited to the embodiments without departing from the spirit of the present invention. In this specification, “front” means the front side of the sheet of FIG. 1, “rear” means the back side of the sheet of FIG. 1, left means the left side of FIG. 1, right means the right side of FIG. Above and below mean the lower side of the figure.

In the automatic transport system for the synthetic fiber package P, the package P is inserted into the tray T and transported in an upright state. After passing through various stations such as an inspection station, the package P is packed in boxes at a box packing station S and shipped. Is done.

As shown in FIG. 4, the boxing station S
Are provided with a box cover hammering device 1 (hereinafter, referred to as “habiting device 1”) and a box packing device 2. At the package lifting position of the box packing device 2, two rows of carry-in conveyors 5 and carry-out conveyors 6 for trays are connected. A carry-in conveyor 3 and a carry-out conveyor 4 for cardboard boxes are connected to a box packing position of the box packing device 2. With such a configuration, the packages P are extracted from the six trays T at the package lifting position by the six chucks (not shown) that are freely movable horizontally and vertically, and the extracted packages P are moved to the boxed position. It is packed in a cardboard box D. An assembling device (not shown) for assembling the cardboard boxes in a predetermined state is arranged on the upstream side of the carry-in conveyor 3, and the cardboard box D closes the bottom surface and the upper box cover d is opened upright. It is transported as it is.

The hammering device 1 is installed on the right frame F of the box packing device 2 so as to be located at the end of the carry-in conveyor 3, and opens the box cover d of the cardboard box D on the carry-in conveyor 3 outward. It is a device that gives a habit to the state.
The cardboard box D is formed with a fold at a predetermined position so that the box cover d is easily bent. Hereinafter, the hammering device 1 will be described in detail with reference to FIGS. 1 and 2, the front pressing member 32 and the box lid d are omitted. A mounting frame 8 is fixed to the upper end of the right frame F of the box packing device 2 via a bracket 7. On the outer surface of the mounting frame 8, a mounting groove 9 whose longitudinal direction is the vertical direction is formed, and a nut plate (not shown) inserted at a predetermined height in the mounting groove 9 supports the hammering device 1. The bracket 21 is bolted. The mounting height position of the support bracket 21 is adjustable by moving the nut plate up and down along the mounting groove 9.

At the tip of the support bracket 21, two right and left guide rods 22, which are guided by the support bracket 21 and can move up and down, penetrate vertically. Further, at the middle position between the two guide rods 22 on the upper side of the support bracket 21, the support bracket 21 penetrates the support bracket 21.
A cylinder 23 having a rod 23a which is guided in the vertical direction and moves forward and backward is arranged. In FIG. 2, the rod 23a is omitted. Two guide rods 22
Are connected by a support plate 24. Support plate 2
Reference numeral 4 has a through hole at the center, and the cylinder 23 can move up and down together with the guide rod 22 through the through hole. An elevating block 25 is attached to the tip (lower end) of the rod 23a of the cylinder 23. With such a configuration, the guide rod 22 and the support plate 24 are moved by the vertical movement of the rod 23a of the cylinder 23.
In addition, the lifting block 25 moves up and down with respect to the support bracket 21.

The first support plate 2 is provided below the lifting block 25.
6 are disposed, and a second support plate 27 is disposed below the first support plate 26 at a predetermined interval. Four guide rods 28 are provided between the first support plate 26 and the second support plate 27 so as to be located at four corners of a square. Above the first support plate 26, there is arranged a cylinder 29 in which a rod 29a penetrates the first support plate 26 and moves up and down at the center position of the four guide rods 28. At the tip (lower end) of the rod 29a of the cylinder 29,
An ascending / descending elevation block 30 guided by four guide rods 28 is attached. With such a configuration, as the rod 29a of the cylinder 29 moves up and down in the vertical direction, the lifting block 30 moves up and down along the guide rods 28 with respect to the two support plates 26 and 27 and the lifting block 25.

The second support plate 27 has a square shape, and can swing (open and close) in the opening and closing direction (up and down direction) of the box lid d about the swing shaft 31 on each of the front, rear, left and right sides (four directions). freely)
The pressing member 32 is disposed. The pressing member 32 includes a body 33 that can swing about the swing shaft 31 in the opening and closing direction of the box lid d, and a pressing surface 34 attached to the lower surface of the tip of the body 33. The distal end portion (outside portion) of the pressing surface 34 has a bent portion that is obliquely upward and outward when opened. A transfer arm 35 is pivotally connected between a required position of the body 33 and the lifting block 30. With such a configuration, the lifting block 3
By moving 0 upward and downward, the four pressing members 32 can be opened and closed in conjunction with each other via the four transfer arms 35. As described above, the pressing member 32 is swingable, and is also capable of moving up and down as the elevating block 25 moves up and down.

As shown by the dashed line in FIGS. 1 and 2, when the lifting block 30 is at the uppermost position, the pressing member 32 is in a closed state (upright state). Conversely, as shown by the solid line in FIGS. 1 and 2, when the lifting block 30 is at the lowermost position, the pressing member 32 is in an open state (horizontal state).
As described above, the pressing member 32 can swing up and down between the upright state and the horizontal state.

Next, the operation of the hammering apparatus 1 according to the present embodiment will be described. The end position on the carry-in conveyor 3 is the customizing position, and when there is no cardboard box D at the customizing position, the rod 23a of the cylinder 23 is raised to the uppermost position and stands by. In this state, the elevating block 25 is at the uppermost position (indicated by the alternate long and short dash line in FIGS. 1 and 2), and the pressing member 32 thereunder has a high height that does not interfere with the box lid d of the cardboard box D on the carry-in conveyor 3. There is. The lifting block 30 is also at the uppermost position, and the pressing member 32
Is closed.

Thereafter, when the cardboard box D is supplied to the customizing position, the elevating block 25 is moved until the swinging shaft 31 is substantially at the same height as the lower end (fold) of the upright box cover d.
At the same time, the pressing member 32 is lowered to the lowermost position while the pressing member 32 is closed, and the pressing member 32 is advanced into the box cover (a position surrounded by four front, rear, right and left box covers d). The support bracket 2 for the mounting frame 8 is set in advance so that the lowermost pressing member 32 is at a predetermined height with respect to the cardboard box D.
Adjust the mounting position of 1. By simply adjusting the mounting position of the support bracket 21 in this manner, it is possible to easily cope with cardboard boxes D of different sizes (heights).

Thereafter, the lifting block 30 is lowered to the lowermost position, and the pressing member 32 is swung in the opening and closing direction of the box cover d to be in an open state. At this time, during the opening operation of the pressing member 32, the box cover d in which the pressing surface 34 is in the upright state is opened while pressing outward and downward. When the lifting block 30 reaches the lowermost position, the box lid d pressed by the pressing surface 34 is opened to a horizontal state or a substantially horizontal state. Box lid d
During the opening of the box cover d, the pressing surface 34 pushes the box cover d such that the lower surface of the bent portion slides on the inner side surface of the box cover d.

Then, after keeping the box lid d open to the horizontal state for a predetermined time, the lifting block 30 is raised to return the pressing member 32 to the closed state, and the lifting block 2
5 to raise the entire pressing member 32 to the uppermost position.

Thereafter, by performing the same curving operation sequentially on the subsequent cardboard boxes D, the automatic and continuous curving of the cardboard box D to the cardboard boxes D can be performed in the automatic transport system. .

In this embodiment, the openable and closable pressing member 32 swings in the opening and closing direction of the box lid d. However, the pressing member 32 is linearly expanded and contracted in the horizontal direction to open and close. You may.

[0024]

The present invention is configured as described above.
The following effects are obtained. According to the first aspect of the present invention, after the pressing member is inserted into the upright box cover in a closed state, the box member is opened to a horizontal or nearly horizontal state, so that the box cover can be quickly and reliably predetermined. It can be habitually opened outward by more than an angle. As a result, damage to the package due to collision with the box lid can be reliably prevented. In addition, the cycle time of the automatic packing operation in the automatic transport system can be improved by more efficiently performing the customization of the box cover. According to the second aspect of the present invention, since the pressing member swings in the opening / closing direction of the box cover, it is possible to effectively apply the forcing force to the box cover and to effectively perform the crimping without damaging the box cover. According to the third aspect of the present invention, since one drive source for opening and closing (for swinging) the pressing member can be provided, the apparatus can be simplified and reduced in weight.

[Brief description of the drawings]

FIG. 1 is a front view showing a hammering device according to the present embodiment.

FIG. 2 is a side view showing the hammering device.

FIG. 3 is a plan view showing a main part of the hammering device.

FIG. 4 is a schematic plan view showing the vicinity of a boxing station.

FIG. 5 is a schematic side view showing a conventional hammering device.

[Explanation of symbols]

D: cardboard box, d: box cover, 1: hammering device, 2
3, 29 ... cylinder, 25, 30 ... lifting block, 31
... Swinging shaft, 32 ... Pressing member, 33 ... Torso, 34 ... Pressing surface, 35 ... Transfer arm 35

Claims (3)

[Claims] 1. A device for customizing a box cover in an upright state such as a cardboard box in an open state to the outside, wherein a pressing member capable of pressing the box cover is configured to be openable and closable. . 2. The box cover setting device according to claim 1, wherein the pressing member swings in the opening and closing direction of the box cover to open and close. 3. The box lid customizing device according to claim 1, further comprising a plurality of pressing members that open and close in different directions, and wherein the plurality of pressing members open and close in conjunction with each other.