KR20100055244A

KR20100055244A - Method and device prevention of warping of corrugated cardboard

Info

Publication number: KR20100055244A
Application number: KR1020080114224A
Authority: KR
Inventors: 박기선
Original assignee: 부영판지(주)
Priority date: 2008-11-17
Filing date: 2008-11-17
Publication date: 2010-05-26

Abstract

PURPOSE: A method and a corrugated cardboard manufacturing device for preventing of warping of a corrugated cardboard are provided to efficiently process a turning-over process to prevent warping without a significant increase in manufacturing costs. CONSTITUTION: A corrugated cardboard manufacturing device for preventing of warping of a corrugated cardboard comprises: a worktable wherein a conveyer belt is installed to transport a corrugated cardboard; a worktable moving device which moves the worktable to the top and bottom; a footboard on which operator stands up and which moves up and downs with the worktable; and a stopper which stops the corrugated cardboard which is transferred to a stacker device with installing at one end of the top of the worktable.

Description

Corrugated cardboard production apparatus and method for warping corrugated cardboard {METHOD AND DEVICE PREVENTION OF WARPING OF CORRUGATED CARDBOARD}

The present invention is a corrugated cardboard with an auxiliary device for flipping to prevent warping of the cardboard

The present invention relates to a production method and an apparatus.

The present invention to prevent the warp generated in the corrugated sheet during the production of corrugated cardboard

The present invention relates to an apparatus and a production method for flipping the flippers, and more particularly, to an apparatus for preventing warping of corrugated cardboard by loading a predetermined amount of corrugated cardboard that is completed and transported in an automated line for manufacturing corrugated cardboard.

Corrugated cardboard is processed by putting corrugated corrugated paper between one or two cardboards

It is processed as one or two layers of corrugated core, and it is widely used as a material for packaging boxes to safely package various items such as ramen boxes, packaging boxes, and electronics packaging boxes.

But corrugated paper is a corrugated paper between the cardboard as described above.

The printed paper and the recycled paper are divided into the backing paper which forms the inner side of the box, and the corrugated paper is pasted between the surface paper and the backing paper to form cardboard.

The corrugated paper into which the corrugated paper enters two layers is formed by alternately bonding the corrugated paper and the backing paper around the outermost surface paper. This corrugated paper has a time difference between the process of attaching the surface paper and the backing paper, which is different from the composition, basis weight, thickness, etc. As a result of the difference in tension between the surface paper and the backing paper due to the difference in the drying time and the like, the manufactured corrugated fabric is bowed, which is called warp phenomenon.

In particular, the fabric of the cardboard is ultimately used to produce a cardboard box, the warp problem of the cardboard fabric is also a very important task among them because the quality of the fabric directly affects the quality of the box product.

Corrugated paper is bent when making a box with corrugated paper manufactured by warping phenomenon, so even if you try to print on the surface of the corrugated paper, the part that is bent inside is not printed well or a jam occurs when the printing machine is inserted. There was a disadvantage in that the broken and the molding was made incorrectly during the manufacture of the box to produce a defective product.

Conventionally, in order to prevent such warp phenomenon, the cardboard produced and loaded is turned upside down by a certain amount to be loaded on the pallet, and it is not easy for a person to turn it over by hand, it takes a lot of time, and the temperature of the fabric where the warp has already been lowered The flipping was performed in the state where the shape was hardened, so the effect was insufficient and the corrugated cardboard production time was increased. FIG. 1 is a view for explaining the warp phenomenon and shows that the corrugated cardboard having the warp phenomenon is divided into two and flipped in different directions. Since the lower and upper corrugated sheets have different bending directions, the upside-down cardboards offset each other slightly, reducing the overall warpage.

In order to solve this disadvantage, Korean Patent Publication No. 10-2006-0035912

The rewinder device for corrugation prevention of corrugated cardboard and a method thereof include a pneumatic cylinder, a rod installed in the pneumatic cylinder, and a joist device consisting of a rotating plate to connect the backboard to another pneumatic cylinder to invert a certain amount of corrugated cardboard. However, such a device has a disadvantage in that the production cost of the product produced increases rapidly because the manufacturing cost of the machine itself for manufacturing not only lengthens the production line by a complicated device, but also expensive. In particular, since the cardboard box is not a packaging material belonging to a high-end product, an increase in unit price in the process has a disadvantage of sharply reducing the competitiveness of the product.

The present invention has been made to overcome the drawbacks as described above, and provides a corrugated cardboard production method and apparatus that do not significantly increase the production cost while efficiently performing the flipping process to eliminate warp phenomenon in the conventional corrugated cardboard manufacturing process It aims to do it.

In order to achieve the object as described above to provide a corrugated cardboard production apparatus for warping the corrugated cardboard. Provided is a corrugated cardboard production apparatus for warping of the corrugated cardboard, the stacker device for forming a bone from the paper to cut the corrugated cardboard produced by attaching the surface paper and backing paper, and then inspecting and stacking the stacker device is a conveyor to convey the cardboard A workbench on which a belt is mounted; A work bench moving device for moving the work bench up and down; A scaffold capable of setting up a worker working on the work bench, the scaffold having a vertical motion with the work bench; And a stopper mounted on one end of the upper end of the work table to stop the cardboard conveyed to the stacker device.

The stopper may further include a sensor for detecting whether the corrugated cardboard has reached the stopper so that when the corrugated sheet reaches the stopper, only the conveyor belt of the work object is stopped and the stopper is closed.

The stopper may be to open the corrugated cardboard little by little in the advancing direction of the conveyor belt so as to leave the layered layer.

In order to adjust the amount of corrugated cardboard supplied to the stacker after cutting the corrugated cardboard may be to further include an up stopper protruding upwards to stop the progress of the corrugated cardboard even if the conveyor belt is in operation.

In order to keep the scaffold horizontal with respect to the ground, the scaffold may be a vertical movement by a separate power source without being attached to the work table.

In order for the cardboard supplied to the stacker to be loaded well, the stacker and the conveyor for supplying the cardboard to the stacker may have a height difference.

In addition, as a corrugated cardboard production method for preventing warping of corrugated cardboard, after forming a bone from the base paper and attaching the surface paper and backing paper to cut the corrugated cardboard, putting the corrugated cardboard into a stacker device for product inspection, Detecting whether the cardboard has reached the stopper; A stop step of operating the stopper when the cardboard reaches the stopper to block the course of the cardboard on the conveyor and stop only the conveyor of the stacker device; Flipping the collected cardboard and then operating a conveyor to pull out the cardboard from below; Raising the worktable of the stacker device by the height of the cardboard stacked on the pallet after the discharge of the cardboard;

It may include.

Discharging the cardboard from below may be to lift the stopper in the direction of the conveyor.

Discharging the cardboard downward may be to lift the stopper upward.

The stopper is characterized in that to enable the operation according to the size of the corrugated cardboard to be loaded and loaded into the stacker by changing the position in the work object,

The invention as described above has the effect of providing an apparatus and method that can reduce the warping phenomenon.

Hereinafter, with reference to the accompanying drawings will be described in detail the present invention. 2 is a view showing a corrugated cardboard production process according to the present invention. Conventional corrugated cardboard manufacturing process is very similar, supplying the base paper of the corrugated cardboard from the roll between the uneven rollers installed in the molding machine, correcting the bone forming process of forming the bone from the raw paper, and applying adhesive through rollers on both sides of the bone. It goes through the lamination process to form the corrugated cardboard by attaching the surface paper and the backing paper, the cutting process to cut the molded corrugated paper to the required standard, and checks the abnormality of the corrugated cardboard, and goes through the stacker process to load it on the pallet.

In the present invention, when the cutting process is finished and the stacking process in the process of loading during this process, the manual flip over, but after the stacking process is finished, instead of flipping the corrugated cardboard first, after inspecting a certain amount of corrugated cardboard first and then manually flipping at once After loading, inspect a certain amount of corrugated cardboard and load it in the normal direction to prevent warping.

For this purpose, an up stopper as shown in the drawing is installed so that only a certain amount of corrugated cardboard can be input into the stacking process without directly cutting the corrugated cardboard into the stacking process. The upstopper can be operated manually by the user of the stacker, taking into account the speed of the entire process, or automatically by considering the speed of the transfer conveyor.

When the up stopper is operated, the cardboard that has been transported is accumulated and accumulated for a while so that it is not put into the stacking process. When the up stopper is operated manually, it will go down automatically after pressing for 1 time without pressing again, and it will be operated for a longer time when pressing twice in succession.

In addition, since the flipping worker proceeds manually, it is necessary to allow the fabric discharge or the speed of the conveyor belt to be manually adjusted. Therefore, when the worker indicates that the flip is finished, the fabric can be discharged at a high speed, and the speed of the conveyor belt can be adjusted according to the working speed and the skill of the worker.

Corrugated cardboard enters the stacking device through the conveyor belt, which allows the conveyor belt of the workbench to continue to move up and down.

In addition, the stacking device is to be formed lower than the conveyor belt for transporting the cardboard to the stacking device so that the cardboard input to the stacking device can move effectively toward the stopper.

In addition, the bottom of the workbench forms a foothold so that the operator can stand on the workbench. It can be fixedly attached to have the same inclination as the working platform of the scaffolding, but even if the working platform is raised, the degree of inclination of the working platform is not so great, so there is no great inconvenience in the work even in the elevated state.

However, the platform may be raised and lowered by combining the platform with the platform separately, so that the platform is always horizontal to the ground while the platform and the platform have a certain deviation.

In addition, one side of the workbench has a stopper for stopping and discharging the cardboard cardboard so that the cardboard coming from the right stops next to the stopper so that the operator can easily turn over.

The position of the stopper can be changed on the worktable according to the size of the corrugated cardboard to be worked, for this purpose, the stopper position shifting device 23 for changing the position of the stopper inside the worktable is moved along the plane of the worktable. You can do that.

Once the corrugated cardboard coming through the conveyor belt reaches the stopper's position, the stopper closes quickly and once the corrugated sheet reaches the stopper's position, the conveyor belt stops immediately.

However, because the conveyor belt in the front section is continuously moving, the conveyor belt on the workbench stops, and due to the appropriate step between each section of the conveyor, it piles up next to the stopper. . The operator confirms that the appropriate amount of cardboard exits the position where the upstopper is located and activates the upstopper. When the cardboard stacks next to the stopper, the operator flips it immediately and presses the eject button to release the flipped cardboard.

The flipped cardboard opens the stopper so that the cardboard exits the workbench and accumulates on the pallet, but if the cardboard is delivered as it is stacked, the cardboard may collapse during movement, causing the stopper to open slightly. At this time, the corrugated board is moved little by little as the conveyor of the workbench moves, and it is completely exited as a layer. When the corrugated cardboard is removed or the corrugated cardboard is delivered to the sensor of the workbench, the stopper closes immediately.

The stopper opens and closes as shown in the drawing, which can be opened or closed to the left, or the stopper can be opened and closed by opening and closing from the top to the bottom. By the way, the sliding type should keep the upper side of the corrugated cardboard continuously while discharging the corrugated cardboard, while the opening type is opened to the left little by little to reduce the load on the stopper, and the corrugated cardboard can be naturally stacked. .

Figure 3 shows the work on the actual workbench. Corrugated cardboard coming from the right is stacked on the pallet 21 on the left, and the height increases as the cardboard is stacked, thereby increasing the height of the workbench accordingly.

4 shows the operation of the stopper at the work table. When the stopper 28 arrives at the corrugated cardboard and the arrival is detected by the sensor 26, the conveyor belt of the workbench stops and the stopper closes. After the flip is finished, the stopper opens slowly and at the same time the conveyor belt is activated to quickly transfer the corrugated cardboard to the pallet.

The figure at the bottom shows that the stopper opens and closes in a sliding form. In addition, there is a step between the stacker and the conveyor belt for transporting the cardboard to the stacker to facilitate the cardboard transfer.

1 illustrates warping and flipping

2 and 3 show a stacker device according to the invention.

4A and 4B show a stopper of a stacker according to the present invention.

11: corrugated cardboard 12: up-stopper

13: Control box 21: Pallet

22: scaffold 23: stopper position shifting device

25: piston 24, 28: stopper

26: sensor 27: workbench feeder

Claims

Corrugated cardboard production apparatus for warping the corrugated cardboard,

It is a stacker device that forms the bone from the base paper, attaches the surface paper and the backing paper, and cuts and then inspects and stacks the corrugated paper.

The constant stacker device includes a workbench on which a conveyor belt is mounted to transfer corrugated paper;

A work bench moving device for moving the work bench up and down;

A scaffold capable of setting up a worker working on the work bench, the scaffold having a vertical motion with the work bench;

A stopper mounted at one end of the upper end of the work table to stop the corrugated cardboard conveyed to the stacker;

Corrugated cardboard production apparatus for warping of the corrugated cardboard, including

According to claim 1, wherein the stopper further comprises a sensor for detecting whether the corrugated cardboard has reached the stopper so that when the cardboard reaches the stopper stops only the conveyor belt of the object and close the stopper. Corrugated cardboard production equipment for warping of corrugated cardboard

The corrugated cardboard production apparatus for preventing warping of corrugated cardboard according to claim 1, wherein the stopper is opened little by little in the advancing direction of the conveyor belt so that the corrugated cardboard can be escaped with stacked layers.

According to claim 1, To further control the amount of corrugated cardboard supplied to the stacker after cutting the cardboard upwards between the conveyor belts toward the stacker further comprises an up stopper that can stop the progress of the corrugated cardboard even if the conveyor belt is in operation Corrugated cardboard production apparatus for preventing warping of corrugated cardboard, characterized in that

The corrugated cardboard for preventing warping of corrugated cardboard according to claim 1, wherein the scaffold is vertically moved by a separate power source in order to keep the scaffold horizontal with respect to the ground. Production equipment

The corrugated cardboard for preventing warping of corrugated cardboard according to claim 1, wherein the conveyor for supplying corrugated cardboard to the stacker and the stacker has a step at different heights so that the corrugated cardboard supplied to the stacker is well loaded. Production equipment

According to claim 1, The stopper is different from the position of the work object, characterized in that to enable the operation according to the size of the cardboard to be loaded into the stacker, cardboard production apparatus for preventing warping of cardboard

As corrugated cardboard production method for warping of corrugated cardboard,

After forming the bone from the base paper and attaching the surface paper and the backing paper to cut the cardboard, and inserting the cardboard into the stacker device for product inspection,

Detecting whether the cardboard has reached the stopper;

A stop step of operating the stopper when the cardboard reaches the stopper to block the course of the cardboard on the conveyor and stop only the conveyor of the stacker device;

Flipping the collected cardboard and operating a conveyor to remove the cardboard from below;

Raising the worktable of the stacker device by the height of the cardboard stacked on the pallet after the discharge of the cardboard;

Including, corrugated cardboard production method for warping of corrugated cardboard

The method of claim 8, wherein the step of discharging the cardboard from below, characterized in that for lifting the stopper in the direction of the conveyor, corrugated cardboard production method for warping of the cardboard

The method of claim 8, wherein the step of discharging the cardboard downwards, characterized in that for lifting the stopper upward, corrugated cardboard production method for warping of the cardboard