JPH0542342B2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an automatic feeding device for sheets from one device to another in a corrugated board manufacturing machine, a so-called corrugating machine, and a method for feeding the starting end of each sheet. The present invention relates to an automatic sheet feeding device for a corrugated board manufacturing machine suitable for use in a corrugated board manufacturing machine.

[Conventional technology]

Generally, when producing a double-faced corrugated board sheet (so-called double-faced corrugated board sheet) using a corrugating machine, firstly, a single-faced corrugated board sheet (that is, a single-faced corrugated board sheet) is manufactured, and then the single-faced corrugated sheet and the starting edge of the liner are preheated. It is necessary to feed it into the gluing device after passing through the process.

However, conventionally, feeding the starting edge of each sheet into such a gluing device has been done manually, which is not only time-consuming and complicated, but also results in a lot of wasted time. There was a problem that it could cause burns etc.

[Problem to be solved by the invention]

Therefore, this invention is a corrugated cardboard sheet that automatically feeds the starting edge of the sheet into each device when manufacturing corrugated sheets, thereby shortening working time and labor, and further eliminating the risk of injury to operators. An object of the present invention is to provide a method and device for automatically feeding sheets into a manufacturing machine.

[Means to solve the problem]

In a corrugated sheet manufacturing machine equipped with multiple preheaters that heat sheets moving downstream and a laminating machine that laminates multiple sheets, a sheet that is disposed so as to be able to come into contact with and be separated from the preheater is connected to the preheater. A feed roller means is provided with a feed roller sandwiched therebetween that rotates in the direction in which the sheet travels, and a feed roller and a cross roller that rotate in the direction in which the sheet travels and are arranged to freely approach and separate from the sheet are arranged oppositely on the upstream side with the sheet in between. and a guide means for guiding the sheet downstream.

[Effect]

In the embodiment, single-faced corrugated sheets 3 and 4 manufactured before the brake device 1
from the brake device 1 to the preheaters 5 and 6.
and the feed rollers 7 and 8, and
After the starting end of the liner paper 10 from the paper splicing device 2 is inserted between the preheater 11 and the feed roller 12, the feed rollers 8 and 12 are rotationally driven by a power source (not shown).

At this time, each preheater 5, 6, 11 is also rotated at the same circumferential speed as the feed rollers 7, 8, 12. Therefore, the single-faced corrugated sheets 3, 4 and the liner paper 10 pass through the circumferential surfaces of the respective preheaters 5, 6, 11 to the guide portions 13 to 15.
sent to.

In the guide parts 13 to 15, the single-faced corrugated sheets 3 and 4 and the liner paper 10
, and feed it into the next gluing device 16.

When the single-face corrugated sheets 3, 4 and the liner paper 10 are fed to a predetermined position, the sensors 17 to 19 detect the start of each, the driving of the feed rollers 7, 8, 12 is stopped, and the single-face cardboard sheet 3,
4 and the automatic feeding of liner paper 10 is completed.

Thereafter, a well-known normal operation is carried out to produce a double-faced corrugated sheet 20, a so-called double-faced corrugated sheet. During this normal operation, the feed rollers 7 and 8 for each single-faced corrugated sheet 3 and 4 and the liner paper 10 are , 12 interventions have been lifted.

〔Example〕

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an automatic sheet feeding device for a corrugated board manufacturing machine according to the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a side view showing the configuration of an automatic sheet feeding device in a corrugated board manufacturing machine, in which 1 is a brake device and 2 is a paper splicing device.

Then, the starting ends of single-faced corrugated cardboard sheets 3 and 4 as shown in FIG. 2, which were manufactured before the brake device 1, are inserted from the brake device 1 between the preheaters 5 and 6 and the feed rollers 7 and 8. Further, after the starting end of the liner paper 10 from the paper splicing device 2 is inserted between the preheater 11 and the feed roller 12, the feed rollers 8 and 12 are rotationally driven by a power source (not shown).

At this time, each preheater 5, 6, 11 is also rotated at the same circumferential speed as the feed rollers 7, 8, 12. Therefore, the single-faced corrugated sheets 3, 4 and the liner paper 10 pass through the circumferential surfaces of the respective preheaters 5, 6, 11 to the guide portions 13 to 15.
send to.

The guide sections 13 to 15 guide the transport of the single-faced corrugated sheets 3 and 4 and the liner paper 10, and feed them into the next gluing device 16.

When the single-face corrugated sheets 3, 4 and the liner paper 10 are fed to a predetermined position, the sensors 17 to 19 detect the start of each, the driving of the feed rollers 7, 8, 12 is stopped, and the single-face cardboard sheet 3,
4 and the automatic feeding of liner paper 10 is completed.

Thereafter, a well-known normal operation is carried out to produce a double-faced corrugated sheet 20, a so-called double-faced corrugated sheet. During this normal operation, the feed rollers 7 and 8 for each single-faced corrugated sheet 3 and 4 and the liner paper 10 are , 12's intervention is canceled.

In addition to the above, feed rollers 21 to 23 may be arranged at various locations such as the entrances of the guide sections 13 to 15 to transport the single-faced corrugated cardboard sheets 3 and 4 and the liner paper 10.

Next, the automatic sheet feeding device in the above-mentioned corrugated board manufacturing machine will be explained in more detail. As shown in FIG. 1, preheaters 5 and 6 are arranged downstream of the brake device 1, and a preheater 11 is arranged downstream of the splicing device 2.

On the upstream side of the brake device 1, various devices for manufacturing single-face corrugated cardboard sheets 3, 4 are arranged. Furthermore, base paper rolls are disposed upstream of the paper splicing device 2, respectively.

The preheaters 5, 6, and 11 are provided with feed rollers 7, 8, and 12 that can move toward and away from the roller circumferential surface by driving an air cylinder or the like.

The feed rollers 7, 8, and 12 are rotatably supported by the frame 24, and are also rotationally driven by a motor (not shown).

Adjustment rollers 25 to 27 are installed in the preheaters 5, 6, and 11 to adjust the heating amount by varying the contact area between the single-faced corrugated sheets 3 and 4 and the liner paper 10, respectively. It is disposed so as to be movable in an arc with 11 as the center.

Other preheaters 29 to 31 are rotatably disposed on the frame 28 at the gluing position 16. Preheaters 29 to 31 and the above preheaters 5, 6, 1
Guide parts 13 to 15 are inserted between the guide parts 1 and 1.

Various types of guide parts 13 to 15 can be used, such as frame-shaped ones or shelf-shaped ones to form the transfer paths 13a and 14a. Preheaters 5, 6, 11 to preheaters 29 to 31
Any material may be used as long as it can be transferred accurately without bending or shifting the position.

At each entrance of the guide parts 13 to 15, there are bag rollers 35 to 37 and bag rollers 35 to 37.
Feed rollers 38 to 40 are arranged opposite to 37.

The feed rollers 38 to 40 are movable toward and away from the back rollers 35 to 37 by air cylinders or the like as described above, and are attached to the frame 24.
Not only is it rotatably supported by the controller, but it is also rotatably driven by a motor (not shown).

Sensors 17 to 19 are inserted into the frame 28 of the gluing device 16. In FIG. 1, 41 is a guide roller, 42 to 44 are guide plates, and 45 is a pasting machine, so-called double facer.

In the above configuration, when starting operation, etc., the single-faced corrugated sheets 3 and 4 are transferred from the brake device 1 to the gluing device 16, and further from the splicing device 2 to the preheater 31 supported on the frame 28 of the gluing device 16. In order to insert the liner paper 10, first, the starting ends of the single-faced corrugated sheets 3, 4 and the starting end of the liner paper 10 are connected to the respective preheaters 5, 6, 11 and the feed rollers 7, 8, 1.
2, and then an air cylinder or the like is driven to press each feed roller 7, 8, 12 against the corresponding preheater 5, 6, 11.

Similarly, the feed rollers 38 to 40 are brought into pressure contact with the bag rollers 35 to 37 by driving with an air cylinder or the like.

Then, the feed rollers 7, 8, 1 are driven by the motor.
2, 35 to 37 are rotated.

At this time, each preheater 5, 6, 11, 29 to 3
The first and second gluing devices 16a are operated at a speed lower than the rated operation so as to match the circumferential speed of the feed rollers 7, 8, 12, 35-37.

First, by the rotation of the feed rollers 7, 8, 12, the starting ends of the single-faced corrugated sheets 3, 4 and the liner paper 10 are transferred to the respective preheaters 5,
6 and 11 between the back rollers 35 to 37 and the feed rollers 39 to 40, and the guide portions 32 to 34 are driven by the feed rollers 38 to 40.
sent to.

The cross rollers 35 to 37 are the feed rollers 38 to 37.
When the single-face corrugated paperboard sheets 3, 4 or the liner paper 10 are sandwiched between the feed rollers 38 and 40, the feed rollers 38 to 40 are rotated to rotate.

The single-faced corrugated sheets 3 and 4 that have passed through the guide sections 32 and 33 are moved to the guide roller 41.
After passing through the preheaters 29 and 31, the paperboard sheets 3 and 4 are sent to the respective gluing devices 16a and 16b.
7, 18 operate and feed rollers 7, 8, 38,
39 is stopped and separated from the preheaters 5, 6 and the back rollers 35, 36 by driving an air cylinder or the like.

On the other hand, when the starting end of the liner paper 10 approaches the sensor 19 via the preheater 31 after passing through the guide section 34, the sensor 19 is activated and the drive of the feed rollers 12 and 40 is stopped, and the air cylinder The preheater 11 is driven by
Then, the single-faced corrugated sheets 3 and 4 and the liner paper 10 are fed into the gluing device 17 at a distance from the back roller 37, that is, the setting is completed.

Next, perform normal operation. During this normal operation, each feed roller 7, 8, 12, 38-40 is
Preheaters 5, 6, 11 to cross rollers 35 to
This is done at a distance from 37.

The guide plates 42 to 44 are made of single-faced corrugated cardboard sheets 3, 4 and liner paper 10.
Each starting end of the guide guides the transfer accurately so that it does not separate from the transfer path, and although it is formed in the shape of a material, it is not limited to this.

In addition, the above method and its apparatus are used to feed base paper into the manufacturing apparatus when manufacturing single-faced corrugated sheets 3, 4, etc.
It can be applied as is.

〔Effect of the invention〕

As described above, according to the automatic sheet feeding device for a corrugated board manufacturing machine according to the present invention, sheets can be automatically fed into each device at the start of corrugated sheet manufacturing, and as a result, it is possible to manually feed sheets into each device. It is possible to significantly shorten the time required for loading the equipment into the equipment, which could not be done easily due to the danger, and improve work efficiency.

[Brief explanation of drawings]

The drawings show one embodiment of the automatic sheet feeding device in the corrugated board manufacturing machine according to the present invention, and the first embodiment is shown in FIG.
FIG. 2 is a side view showing the configuration of the apparatus, and FIG. 2 is an explanatory diagram showing a mode in which a single-face corrugated board sheet and liner paper are bonded together to produce a double-faced corrugated board sheet. 1...brake device, 2...paper splicing device, 3,
4...Single-faced cardboard sheet, 5,
6, 11, 29-31... preheater, 7, 8,
12, 38-40... feed roller, 10... liner paper, 13-15... guide section, 16... gluing device, 16a... first gluing device, 16b... second gluing device , 17-19...sensor, 20...
...Double face cardboard sheet, 13a, 14
a... Transfer path, 35-37... Cross crawler, 2
4, 28...Frame, 41...Guide roller,
42-44...Guide plate.

Claims (1)

[Scope of Claims] 1. A corrugated sheet manufacturing machine equipped with a plurality of preheaters that heat sheets moving downstream and a laminating machine that laminates a plurality of sheets, which are arranged so as to be able to come into contact with and separate from the preheaters. A feed roller means includes a feed roller that sandwiches the sheet between a preheater and rotates in the sheet traveling direction, and a feed roller and a cross roller that rotate in the sheet traveling direction and are arranged to freely approach and separate from the sheet, sandwiching the sheet. 1. An automatic sheet feeding device for a corrugated board manufacturing machine, comprising: a guide provided opposite to an upstream side for guiding the sheet to a downstream side.