JPH0912133A - Box reversing device - Google Patents

Abstract

PURPOSE: To reverse a corrugated fiberboard box without damaging the content, and to enable the work with the comfortable posture by fitting a space holding frame for rotary frame to a side frame freely to be rotated, and providing a side stopper, which is interlocked with a cam lever so as to be projected to the side surface side of a box at the time of reversing, in an upper and a lower surface-holding booms. CONSTITUTION: When a corrugated fiberboard box A is positioned between side stoppers 42 provided in both sides of a surface holding frame 22, a worker turns a rotary frame 2 left. When a first and a second connecting shafts are rotated a little, the side stoppers 42 fitted to both sides are stood from the inclined position to the nearly vertical position, and projected to both sides of the corrugated fiberboard box A. Fall of the corrugated fiberboard box A is prevented by these side stoppers 42, and furthermore, the rotary frame 2 is turned left, and turned at 180 degree so as to reverse the corrugated fiberboard box A. With this device, the generation of damage of the content during the work is eliminated, and the work can be performed with a comfortable posture.

Description

Detailed Description of the Invention

[0001]

[Industrial applications]

The present invention relates to a box reversing device.

[0003]

[Prior art]

[0004] Thousands of filter plugs are put in one inner box for storing plugs, and the inner boxes are put together in a corrugated cardboard box and carried into a tobacco factory.

The cardboard box carried into the tobacco factory is placed upside down on a reserve conveyer having a height of about 30 cm, and first, the flap on the bottom side is released.

The corrugated cardboard box with the flaps on the bottom surface side released is flipped by the worker by dropping it from the reserve conveyor to the floor surface, and then the flaps on the top surface side are also released for easy withdrawal. , It was processed by pulling it upward.

Then, the inner boxes piled up on the floor surface after the cardboard boxes were pulled out were placed by a worker on a reserve conveyer leading to the next step.

[0008]

[Problems to be solved by the invention]

As described above, conventionally, in order to take out the middle box from the cardboard box on the reserve conveyor, it is necessary for the worker to drop the cardboard box on the floor and turn it over.
The impact of falling could damage the inner box.

Further, conventionally, in order to turn over the cardboard box, it is necessary to drop the cardboard box once on the floor and then take an unreasonable mid-waist posture to open the flaps on the upper surface or pull out the cardboard box upward. Therefore, these tasks were not easy.

Further, since it is necessary for the worker to place the inner boxes stacked on the floor on the reserve conveyor leading to the next step, the work is not easy either.

Therefore, an object of the present invention is to turn over a corrugated cardboard box without damaging the contents of the corrugated cardboard box and to open a flap on the upper surface of the flipped cardboard box.
It is an object of the present invention to provide a box reversing device that can easily perform all operations such as pulling out a cardboard box in a comfortable posture.

[0013]

[Means for Solving the Problems]

[0014] Means for solving the problems of the present invention are as follows.

First, a fixed frame in which a base frame and a side frame are combined and a surface holding frame on which a wheel for sliding a box is arranged are arranged vertically, and the two surface holding frames of the box to be inverted are placed. A rotary frame attached to the spacing frame corresponding to the height, and a rotary mounting part for rotatably mounting the spacing frame of the rotary frame on the side frame of the fixed frame, and upper and lower parts of the side frame of the fixed frame. A cam lever having a cam follower that engages with a fixed cam provided on the front end, and a side stopper that interlocks with the cam lever and projects toward the side surface of the box when rotating are provided on each of the two surface holding frames. The box reversing device.

Secondly, the box reversing device according to the first aspect is characterized in that the fixed cam is formed with an arcuate notch which is fixed to the rotary frame in combination with the cam follower at the tip of the cam lever.

The notch is formed on either one of the fixed cams, but it may be formed on each of the upper and lower fixed cams.

The height of the base frame can be adjusted.

[0019]

[Action]

The box reversing device of the present invention comprises a first reserve conveyer for carrying a cardboard box before reversal placed upside down, and a second reserve conveyer for carrying a middle box after pulling out the cardboard box after reversal. It is installed between and used.

At the time of installation, the height of the base frame is adjusted so that the heights of the conveyor surfaces of both reserve conveyors and the wheel surface of the surface holding frame on the bottom side are the same.

The corrugated cardboard box on the first reserve conveyor, which is placed upside down, before being inverted, is opened by the operator after the flap on the bottom side corresponding to the top side is released. Transferred onto the surface holding frame.

When the worker rotates the rotary frame, the cam lever is disengaged from the fixed cam, and the side stopper is projected to the side surface side of the cardboard box in conjunction with the cam lever.

While the side stopper prevents the cardboard box from falling, the reversing of the cardboard box is completed by rotating the rotary frame mounted through the rotary mounting portion by 180 degrees, and the cam lever is again fixed cam on the opposite side. Combine with.

By combining the cam lever with the fixed cam,
The side stopper is pulled in conjunction with the cam lever.

After the reversal is completed, the cardboard box is transferred onto the second reserve conveyor by the worker.

In the second reserve conveyor, after the flap on the upper surface side of the cardboard box is released, the cardboard box is pulled out upward.

Then, the inner box of the contents of the cardboard box becomes the second box.
It is stacked on the reserve conveyor and is transported by the second reserve conveyor.

[0029]

【Example】

An embodiment of the box inverting device according to the present invention will be described below with reference to the drawings.

FIG. 1 is a front view of the box reversing device of this embodiment, FIG. 2 is a front view showing the rotating operation of the box reversing device of this embodiment, and FIG. 3 is a side view of the box reversing device of this embodiment. 4 is a plan view of the box inverting device of the present embodiment, FIG. 5 is a side view of the box inverting device of the present embodiment during rotation, FIG. 6 is a plan view of FIG. 5, and FIG. 7 is a combination of a fixed cam and a cam lever. 8 is a plan view showing the operation of the side stoppers, FIG. 8 is a plan view showing a combination of upper and lower fixed cams and cam levers, and FIG. 9 is a perspective view showing the combination of fixed cams and cam levers.

As shown in FIG. 1, the box reversing device of this embodiment has a side frame 1 having a base frame 11 whose height can be adjusted by an adjusting bolt 11a and a rotation center.
A fixed frame 1 in which 2 and L are combined in an L shape, a rotary frame 2, and a rotary mounting portion 3 (see FIG. 3) that rotatably mounts the rotary frame 2 to the fixed frame 1, and the top and bottom are reversed. For transporting the corrugated cardboard box A before reversing that was placed
It is installed between the reserve conveyor B and the second reserve conveyor C that transports the inner box after the cardboard box A is pulled out after being inverted.

As shown in FIG. 1 and FIG. 3, the rotary frame 2 has plane holding frames 22 on which wheels 21 for box sliding are arranged face to face vertically, and the two plane holding frames 2 are arranged.
2 is attached to the interval holding frame 23 so as to face each other with a gap about the height of the cardboard box A to be inverted.

As shown in FIG. 3, the rotary mounting portion 3 has a fixed shaft 31 mounted on the rotation center portion of the side frame 12 of the fixed frame 1 and a space holding frame 2 of the rotary frame 2 mounted on the fixed shaft 31.
The rotating frame 2 is rotatably attached to the fixed frame 1 by combining the bearings 32 attached to the third side.

The side frame 1 of the fixed frame 1
An upper fixed cam 13 is attached to the upper part of 2, and a lower fixed cam 14 is attached to the lower part.

As shown in (a) of FIG. 8 and (a) of FIG. 9, the upper fixed cam 13 has an upper fixed cam base 15 on the surface of the upper cross member 12a on the upper side of the side frame 12. Installed.

On the other hand, the lower fixed cam 14 is attached to the back surface of the lower cross member 12b on the lower side of the side frame 12 via the lower fixed cam base 16 as shown in FIG. 8B and FIG. ing.

As shown in FIGS. 3 and 4, each surface holding frame 22 of the rotary frame 2 is provided with a T-shaped cam lever 41 which is fitted to the upper fixed cam 13 and the lower fixed cam 14 on the fixed frame 1 side. Two side stoppers 42 are provided so as to be interlocked with the cam lever 41 and project two by two on each side surface of the corrugated cardboard box A during rotation.

The cam lever 41 is (b) in FIGS. 4 and 9.
As shown in, the one end side is rotatably attached to the attachment base 43 attached to the frame member 22a of the surface holding frame 22 via the attachment shaft 43a.

A first rod end 44 is attached to the other end of the cam lever 41 via a rod end attachment shaft 44a.

A cam follower 45 is attached to the lower side of the tip end of the cam lever 41 via a cam follower attachment shaft 45a so as to be combined with the upper fixed cam 13.

Here, the upper fixed cam 13 is particularly shown in FIG.
As shown in (a) of FIG. 8 and (a) of FIG. 8, an arcuate cutout 13a corresponding to the size of the cam follower 45 is formed at a position from the left of the center and extends from the right to the cutout 13a. A first inclined portion 13b is formed, and a second inclined portion 13c having a length shorter than the first inclined portion 13b is formed from the cutout portion 13a toward the left side.

On the other hand, as shown in FIG. 8 (b), the lower fixed cam 14 is formed with an inclined portion 14a from the left side toward the center of the drawing, and is further continuous with the inclined portion 14a. A straight portion 14b is formed so as to extend to the right.

In the figure, 46 indicates a spring for pulling the cam lever 41 toward the center of the surface holding frame 22,
Reference numeral 47 denotes a cam lever stopper.

As shown in FIG. 4, the side stoppers 42 interlocking with the cam lever 41 are attached to both ends of the first connecting shaft 48 and the second connecting shaft 49 arranged in the front and rear.

Then, as shown in FIGS. 4 and 7, a first rod lever 50 is attached to the first connecting shaft 48 and a second rod lever 51 is attached to the second connecting shaft 49.

The first rod lever 50 and the second rod lever 51 are connected by the second rod end 52.

In addition, the first rod lever 50 has a first rod end 44 whose one end is attached to the cam lever 41.
The other end of is attached.

Here, the respective connecting portions of the first rod end 44 and the second rod end 52 are rotatably attached.

Next, the operation and the like of the box inverting device of the above embodiment will be described.

The box reversing device of this embodiment comprises a first reserve conveyer B for carrying a pre-inverted cardboard box placed upside down and a first reserve conveyor B for pulling out the corrugated box A after reversing and carrying a middle box. It is installed between two reserve conveyors C.

At the time of installation, the adjuster of the base frame 11 is adjusted so that the heights of the conveyor surfaces of the first reserve conveyor B and the second reserve conveyor C and the surface of the wheel 21 of the lower surface holding frame 22 become equal. Adjust the bolt 11a.

Further, when the rotary frame 2 is not fixed, the fixed frame 2 is moved to move the fixed frame 2 to the upper surface holding frame as shown in detail in FIG. 8 (a) and FIG. 9 (b). 22
The rotary frame 2 is fixed by combining the cam follower 45 of the cam lever 41 with the notch 13a of the upper fixed cam 13.

In the state where the rotary frame 2 is fixed, as shown in (b) of FIG.
The cam follower 45 of the cam lever 41 is in contact with the straight portion 14 b of the lower fixed cam 14.

As described above, in the state where the rotary frame 2 is fixed, the first rod lever 50 and the second rod lever 51 stand up substantially vertically and the other, as shown in (a) of FIGS. 3 and 7. The side stoppers 42 are diagonally positioned so as not to get in the way when the cardboard box A is inserted.

As shown in (a) of FIGS. 1 and 2, the cardboard box A on the first reserve conveyor B, which is placed upside down, is the top side when the upside down is placed. After the flaps on the bottom side corresponding to the above are released, an operator holds the upper and lower surface holding frames 2 of the box reversing device of this embodiment.
It is inserted between the two and is smoothly carried by the foil 21, and is supported by the lower surface holding frame 22.

When the cardboard box A is positioned between the side stoppers 42 on both sides of the surface holding frame 22, the worker turns the rotary frame 2 to the left.

When the rotating frame 2 is started to be slightly rotated, the cam lever 41 starts to move, and when it is rotated about 4.5 degrees, the cam follower of the cam lever 41 is pulled by the spring 46 as shown in (b) of FIG. 45 is disengaged from the upper fixed cam 13.

Actually, the cam lever 4 of the rotary frame 2
1 moves in an arc shape centered on the rotary mounting portion 3, but in FIG. 7, the movement by rotation of the rotary frame 2 is represented as a substantially linear slide movement to the left.

Similarly, although not shown, the cam lever 41 of the lower surface holding frame 22 is also removed from the lower fixed cam 14.

In each of the upper and lower surface holding frames 22,
The position of the cam lever 41 which has been removed is regulated by a cam lever stopper 47, as shown in (b) of FIG. 7.

In this state, the positions of the first rod end 44 and the second rod end 52 connected to the cam lever 41 are retracted in association with the change in the position of the cam lever 41.

The first rod end 44 and the second rod end 52 are interlocked with the change in the positions of the first rod end 44 and the second rod end 52, and the positions of the first rod lever 50 and the second rod lever 51 are changed from a substantially vertical state to an inclined state. Connection shaft 48 and second connection shaft 4
9 turns a little.

As the first connecting shaft 48 and the second connecting shaft 49 rotate a little, as shown in FIG.
8 and the side stoppers 42 attached to both ends of the second connecting shaft 49, respectively, rise obliquely and in a substantially vertical state,
Stick out on both sides of the cardboard box A.

As described above, the side stopper 42 that automatically pops out by turning the rotary frame 2 prevents the cardboard box A from falling, and further, as shown in FIG. 2B, FIG. 5 and FIG. Then, turn the rotating frame 2 counterclockwise, and finally,
As shown in (c) of FIG. 2, the corrugated board box A is inverted by rotating the rotary frame 2 180 degrees to the left.

When the rotary frame 2 is rotated about 180 degrees, the cam lever 41 of the surface holding frame 22 which is located below before the rotation is rotated.
The cam follower 45 of the above is the cutout portion 13 of the upper fixed cam 13.
The rotary frame 2 is fixed by combining with a.

In this way, in the state where the cam lever 41 is assembled to the upper fixed cam 13 and the rotary frame 2 is fixed, as shown in FIG. 3 and FIG. The rod lever 50 and the second rod lever 51 stand up substantially vertically, while the side stoppers 42 are pulled in interlocking with the cam lever 41 and are diagonally positioned so as not to get in the way when the cardboard box A is inserted.

After the reversal is completed, the corrugated cardboard box A is moved to the next second reserve conveyor C by the worker.

On the next second reserve conveyor C, after the flap on the upper surface side of the cardboard box A is released, the cardboard box A is pulled out upward.

Then, the inner box of the cardboard box A is stacked on the second reserve conveyor C and is transported by the second reserve conveyor C.

When the above-mentioned reversing work of the corrugated board box A is continuously performed, the above-mentioned operation is repeated and the rotary frame 2 is rotated 180 degrees to the left, whereby the positions of the upper and lower surface holding frames 22 are changed. Replace and perform.

Actually, after performing the reversing operation of the corrugated cardboard box by using the box reversing device of the present invention, as a result of inspecting 120 middle boxes, none of them were damaged.

As in the conventional case, after performing the reversing work by dropping it on the floor, 120 inner boxes were inspected, and 16 pieces were damaged, and the defective rate was 13%.

[0074]

【The invention's effect】

According to the box reversing device of the present invention, it is not necessary to drop the cardboard box on the floor to invert it, no extra impact is applied during the reversing work, and there is no risk of damage to the contents.

Moreover, using the box inverting device of the present invention,
All the work can be performed without the worker having to take an unnatural posture, so that the work can be easily performed.

That is, according to the box reversing device of the present invention, the cardboard box can be reversed without damaging the contents, and the flaps on the upper surface of the reversed cardboard box can be opened or the cardboard box can be pulled out upward. All the work such as can be easily performed in a comfortable posture.

[Brief description of the drawings]

FIG. 1 is a front view of a box reversing device of this embodiment.

FIG. 2 is a front view showing the rotating operation of the box inverting device of the present embodiment.

FIG. 3 is a side view of the box reversing device of this embodiment.

FIG. 4 is a plan view of the box reversing device of this embodiment.

FIG. 5 is a side view of the box reversing device of the present embodiment during a rotating operation.

FIG. 6 is a plan view of FIG. 5;

FIG. 7 is a plan view showing an operation of a side cam and a combination of a fixed cam and a cam lever.

FIG. 8 is a plan view showing a combination of upper and lower fixed cams and a cam lever.

FIG. 9 is a perspective view showing a combination of a fixed cam and a cam lever.

[Explanation of symbols]

 A Cardboard box B 1st reserve conveyor C 2nd reserve conveyor 1 Fixed frame 2 Rotating frame 3 Rotating mounting part 11 Base frame 11a Adjust bolt 12 Side frame 12a Upper horizontal member 12b Lower horizontal member 13 Upper fixed cam 13a Cutout 13b 1st Inclined part 13c Second inclined part 14 Lower fixed cam 14a Inclined part 14b Straight part 15 Upper fixed cam base 16 Lower fixed cam base 21 Wheel 22 Face holding frame 22a Frame material 23 Interval holding frame 31 Fixed shaft 32 Bearing 41 Cam lever 42 Side stopper 43 Attachment Base 43a Mounting shaft 44 First rod end 44a Rod end mounting shaft 45 Cam follower 45a Cam follower mounting shaft 46 Spring 47 Cam lever stopper 48 First connecting shaft 49 Second connecting shaft 50 First rod Bar 51 second rod lever 52 and the second rod end

Claims (2)

[Claims] 1. A fixed frame in which a base frame and a side frame are combined with each other, and a surface holding frame on which a wheel for sliding a box is arranged, are vertically arranged, and the two surface holding frames are set to a height of a box to be inverted. Corresponding to the above, the rotary frame is attached to the spacing frame, and the side frame of the fixed frame is equipped with the rotary mounting part for rotatably mounting the spacing frame of the rotary frame. A cam lever having a cam follower that engages with the fixed cam at the tip and a side stopper that interlocks with the cam lever and projects toward the side surface of the box during rotation are provided on each of the two surface holding frames. , Box reversing device. 2. The box reversing device according to claim 1, wherein one of the fixed cams is formed with an arcuate notch for fixing the rotary frame in combination with the cam follower at the tip of the cam lever.