JPS61242838A - Method and device for automatically delivering sheet in corrugated board manufacturing machine - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

[Conventional technology]

Generally, double-sided corrugated sheets are made by corrugating machine,
When manufacturing so-called double-faced corrugated sheets,
First of all, after producing a single-faced corrugated board sheet, that is to say a single-faced corrugated board sheet, it is necessary to feed the single-faced corrugated board sheet and the starting end of the liner into the gluing device via a preheater. However, conventionally, feeding the starting edge of each sheet into such a gluing device is
This is done manually, which is not only time-consuming and cumbersome, but also results in a lot of wasted time, and the preheater is heated, causing problems such as burns.

[Problem to be solved by the invention]

Therefore, the present invention has developed a corrugated board manufacturing machine 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 the operator. The purpose of the present invention is to provide a method and device for automatically feeding sheets.

[Means to be solved by the invention]

In order to achieve the above object, the present invention provides a method for automatically feeding sheets in a corrugated board manufacturing machine, in which the starting end of the sheet is fed from one device into the other device via a guide by rotation of a feed roll in the corrugated board manufacturing machine; and an automatic sheet conveyance device in a corrugated board manufacturing machine, which is comprised of a guide that guides the transfer of sheets between each device, and a feed roll that is rotated and driven in pressure contact with the sheet so that it can be fed out. This is a characteristic feature.

〔Example〕

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an automatic sheet feeding method and apparatus for a corrugated board manufacturing machine according to the present invention will be described below with reference to the drawings. FIG. 1 is a diagram showing the configuration of the device, in which 1 is a brake device and 2 is a paper splicing device. Then, the starting end of a single-faced corrugated sheet 3.4 as shown in FIG. 2 manufactured in the previous stage of the brake device 1 is inserted from the brake device 1 between the preheaters 5, 6 and the feed rollers 7, 8, Further, after the starting end of the liner paper 10 from the paper splicing device 2 is inserted between the preheater 1) 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, 6.1) is also rotated at the same peripheral speed as the feed roller 7, 8.12.

Therefore, the single-face corrugated sheet 3.4 and the liner paper 10 are fed into the guides 13-15 via the circumferential surface of each preheater 5, 6.1). Guide part 13
~15 is the above single-faced corrugated sheet 3.4
and guides the transfer of the liner paper 10 to the next gluing device 16.
Carry it into.

Once the single-faced corrugated sheet 3.4 and the liner paper 10 are fed into position, the sensor 17
.about.19 detect the respective start-up, and the feed rollers 7.
8.12 stops, and the automatic feeding of the single-faced corrugated sheets 3, 4 and liner paper 10 ends. 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 3.4 and liner paper 10 are .12 intervention will be canceled. In addition to the above, feed rollers 21 to 23 may be arranged at various locations such as the entrances of the guide portions 13 to 15 to transport the single-face corrugated sheets 3 and 4 and the liner paper 10.

Next, an apparatus for carrying out the above automatic feeding method will be described in detail. As shown in FIG. 1, preheaters 5 and 6 are arranged behind the brake device 1, and a preheater 1) is arranged behind the splicing device 2. As before, various devices for manufacturing single-face corrugated cardboard sheets 3.4 are disposed in front of the brake device 1, and base paper rolls are disposed in front of the paper splicing device 2, as before.

The preheater 5, 6.1) includes feed rollers 7, 8 that can be freely separated from the roller circumferential surface by driving an air cylinder or the like.
．． 12 are arranged. The feed rollers 7, 8, and 12 are not only rotatably supported by the frame 24 but also rotationally driven by a motor (not shown). The preheater 5, 6.1) includes the single-faced corrugated sheet 3.4 and the liner paper 10.
Needless to say, adjustment rollers 25 to 27 for adjusting the amount of heating by varying the contact area of the preheater 5 are arranged so as to be movable in an arc around the preheater. Other preheaters 29 to 31 are rotatably arranged on the frame 28 of the gluing device 16. Guide parts 13 to 15 are inserted between the preheaters 29 to 31 and the preheaters 5, 6.1). Guide part 13~
The material 15 can be a frame-like material or a shelf-like material to form the transfer paths 13a, 14a, and can be made of a single-faced corrugated cardboard sheet 3.4 and liner paper 1.
0 to preheater 5.6.1) to preheater 29 to 31
Any material may be used as long as it can be transferred accurately without bending or shifting the position. At each inlet of the guide portions 13 to 15, there are back rollers 35 to 37 and back rollers 35
-37, and feed rollers 38-40 are arranged opposite to the rollers 38-37. The feed rollers 38 to 40 are movable apart from the back rollers 35 to 37 by an air cylinder or the like as described above, and are rotatably supported by the frame 24, and are also rotated by a motor (not shown). It is also designed to be driven. Sensors 17 to 19 are inserted into the frame 28 of the gluing device 16.

In addition, in FIG. 1, 41 is a guide roller, 42 to 44
4 is a guide plate, and 45 is a bonding machine, a 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 IO, first, the starting end of the single-face corrugated sheet 3.4 and the starting end of the liner paper IO are connected to each preheater 5, 6.1) and the feed roller 7, 8.12.
and then drive an air cylinder or the like to move each feed roller 7.8.12 to the corresponding preheater 5.
．． 6.1). Similarly, the feed rollers 38 to 40 are driven by an air cylinder or the like to feed the back rollers 35 to 37.
Let it come into contact with pressure. Then, the feed rollers 7, 8, 12, 35 to 37 are rotationally driven by the motor. At this time,
Each preheater 5, 6, 1). 29 to 31 and the first and second gluing devices 16a, the feeding rollers 7, 8, 12.35
- Operate at a lower speed than the rated operation to match the circumferential speed of 37. First, by the rotation of the feed rollers 7, 8.12, the starting ends of the single-faced corrugated sheet 3.4 and the liner paper 10 pass through the circumferential surfaces of their respective preheaters 5.6.1), and are then transferred to the back rollers 35 to 37 and the feed roller. 39-40, and is sent out to guide portions 32-34 by driving of the feed rollers 38-40. Bank roller 35-3
Of course, when the single-face corrugated paperboard sheets 3, 4 to the liner paper IO are sandwiched between the feed rollers 38-40, the roller 7 rotates following the rotational drive of the feed rollers 38-40. The single-face corrugated sheets 3.4 that have passed through the guide portions 32.33 are fed into the respective gluing devices 16a, 16b via guide rollers 41 and pre-heaters 29.31, where the single-face corrugated sheets 3, 4 are The starting end of is sensor 17.18
, the sensor 17.18 operates to stop the drive of the feed rollers 7, 8, 38, 39, and
It is separated from the preheaters 5, 6 and back rollers 35 and 36 by driving with an air cylinder or the like. On the other hand, when the liner paper 10 passes through the guide section 34 and approaches the sensor 19 via the preheater 31, the liner paper 10 passes through the preheater 31 and approaches the sensor 19.
9 operates, and the drive of the feed rollers 12 and 40 is stopped, and the preheater 1) is driven by an air cylinder, etc.
The single-face corrugated sheets 3 and 4 and the liner paper 10 are fed into the gluing device 17 by being separated from the back roller 37, that is, the setting thereof is completed. Next, perform normal operation. During this normal operation, each feed roller 7, 8, 12, 38-40 is
．． 6.1) to be performed in a state separated from the back rollers 35 to 37.

Note that the guide plates 42 to 44 are for accurately guiding the transfer so that the starting ends of the single-faced corrugated cardboard sheet 3.4 and the liner paper 10 do not separate from the transfer path, and are formed in a forest shape. It is not limited to this.

Furthermore, the above-mentioned method and apparatus can be directly applied to feeding base paper into a manufacturing apparatus when manufacturing single-face corrugated sheets 3, 4, etc.

〔Effect of the invention〕

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

[Brief explanation of drawings]

The drawings show an embodiment of an automatic sheet feeding method and device for a corrugated board manufacturing machine according to the present invention, FIG. 1 is a side view showing the configuration of the device, and FIG. FIG. 2 is an explanatory diagram showing a mode of laminating a single-faced corrugated cardboard sheet and liner paper. 1... Brake device 2... Paper splicing device 3.4
...Single-face corrugated sheet 5.6.1)
29-31... Preheater 7.8.12.38-40
...Feed roller '10...Liner paper 1
3-15...Guide part 16...Gluing device
16a...First gluing device 16b...Second gluing device 17-19...Sensor 20...Double face corrugated sheets 13a, 14a...Transfer path 3
5-37...Back roller 24.28...Frame 41...Guide roller 42-44...Guide plate

Claims (2)

[Claims] (1) In a corrugated board manufacturing machine, with the rotation of the feed roll,
1. A method for automatically feeding a sheet in a corrugated board manufacturing machine, comprising feeding the starting end of the sheet from one device into another device via a guide. (2) A corrugated board manufacturing machine characterized by comprising, between each device, a guide that guides the transfer of sheets, and a feed roll that is rotationally driven so as to be in pressure contact with the sheet and capable of feeding the sheet. Sheet feeding device.