JPH0596668A - Automatic setting device of single facer - Google Patents

Abstract

PURPOSE:To contrive prevention of defectiveness and an improvement in working efficiency, by a method wherein in the title device of a corrugating machine, it is constituted so that a control board for setting-up of conditions is operated selectively based on specifications of base paper to be used for manufacturing of a one-side corrugated cardboard sheet, adjusting devices each are operated, a contacting condition between fitting rolls is set up based on a fixed value which is put in beforehand. CONSTITUTION:Fitting conditions between rolls such as between an upper row roll 5 and lower row roll 6 and between the lower roll 6 and a pressurizing roll 7 and a change of fitting condition between rolls such as between a starching roll 8 and doctor roll 9 and between the lower row roll 6 and pressurizing roll 7 are performed respectively by contacting pressure adjusting devices R1-R2 and gap adjusting devices R3-R5. Then key boards 1A, 1B of a control board 11 for setting-up of conditions or a production control device 12 is operated selectively according to specifications such as kinds and width of base paper to be provided for manufacturing and data is applied to the title device. A controller 10 selects a set-up vale which is put in beforehand and the adjusting devices R1-R5 each are operated by this data and contacting conditions among rolls 5-9 each are set up in a fixed state.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a single facer of a corrugating machine for producing a single-sided corrugated board sheet.
The present invention relates to an automatic setting device for a single facer, which adjusts and sets the contact pressure between rolls to be engaged with each other, or the gap, to a predetermined value (condition) corresponding to the condition of a base paper (core paper, liner) used for manufacturing.

[0002]

2. Description of the Related Art A typical single facer in a corrugated machine is as illustrated in FIG. 9, and as a main element, an upper roll 5 and a corrugated core paper 2 sandwiched between the upper roll 5 and the upper roll 5 are corrugated. A lower roll 6, and a pressure roll 7 for producing a continuous single-faced corrugated cardboard sheet 1 by passing the core paper 2 and the liner 3 glued between the lower roll 6 and the lower roll 6 together while applying pressure, The core paper 2 comprises a sizing roll 8 for transferring a predetermined amount of the sizing 4 to the top of the corrugated crests, a doctor roll 9 for adjusting the amount of sizing transfer to the sizing roll 8, and the like. The upper roll 5 and the lower roll 6, the lower roll 6 and the pressure roll 7, the lower roll 6 and the gluing roll 8, and the gluing roll 8 and the doctor roll 9 are roll contact pressure adjusting devices, respectively.
Alternatively, the mutual contact state can be variably set via the gap adjusting device.

By the way, when the core paper 2 is formed into a corrugated shape and when the core paper 2 and the liner 3 are bonded together by the glue 4 transferred to the top of the corrugated mountain step, a moderate pressing force and a paste 4 are conditionally applied. Heating is required, and inside the rolls 5, 6 and 7 together with the contact pressure (gap) adjusting device between the rolls,
A device capable of introducing (circulating) steam or oil to a high temperature is provided. The structure and functions of the upper and lower rolls 5 and 6 will be described below. The upper roll 5 is axially supported by an arm 13 via a bearing (not shown), and one end of the arm 13 is supported by a fulcrum pin 14 to a frame 15 Is pivotably attached to the pressure cylinder 16 and the other end is connected to the tip of the piston rod of the pressure cylinder 16 through a pin 17. The pressurizing cylinder 16 has a bracket 18 fastened to the frame 15.
The lower roll 6 is supported by the frame 1
5 and the bracket 18 are sandwiched and fastened. The contact pressure between the rolls 5 and 6 having the above structure can be adjusted by changing the operating pressure of the pressure cylinder 16.

Next, the structures and functions of the lower roll 6 and the pressure roll 7 will be described. As shown in FIGS. 10 and 11, the pressure roll 7 has its both ends supported by bearings 20 held by eccentric bearings 19. The eccentric bearing 19 is supported by the frame 15 via a bush 21 so as to be freely rotatable. A pressure lever 23 is fixed to the eccentric bearing 19 via a taper pin 22. Further, a cylinder 29 is swingably supported at one end of the pressure lever 23 via a pin 28, and a head of the cylinder 29 is attached to the frame 15 via a yoke pin 30.

Next, the roll contact pressure (gap) adjusting function between the lower roll 6 and the pressure roll 7 will be described. The contact state between the lower roll 6 and the pressure roll 7, that is, the gap between both rolls and the contact pressure is It is one of the most important factors in improving the quality by homogenizing the thickness of the corrugated cardboard sheet in the width direction, the bonding state of the core paper 2 and the liner 3, etc., and requires reliable adjustment and control. To be done. Further, the roll contact pressure adjusting device portion of the rolls 6 and 7 is shown in FIG.
In the structure shown in FIG. 11, both ends of the eccentricity adjusting rod 24 are axially supported by the frame 15 via slide bushes 25 so as to be slidable in the axial direction. A female screw is cut and screwed with a screw rod (not shown). A part of this screw rod is axially supported by a bracket attached to the frame 15 by a bearing, and the tip end is directly connected to the shaft of the motor fixed to the bracket via a shaft joint. Further, a slider 26 having a slope is fixed to the rod 24 at a position corresponding to the bearing portion of the pressure roll 7, and the rod 24 slides in the a direction by sliding the rod 24 in the axial direction via a motor. The pressure lever 23 and the eccentric bearing 19 can be rotated via the slider 27 which is in contact therewith, and the center c position of the pressure roll 7 axis can be arbitrarily moved.

With the above structure, the gap between the lower roll 6 and the pressure roll 7 and the contact pressure are determined by the eccentricity adjusting rod 2 described above.
Rotation of the eccentric bearing 19 driven through the cylinder 2 and the cylinder 2
It is possible to adjust to a predetermined condition by changing the operating pressure of 9. Similarly, the lower roll 6, the sizing roll 8 and the sizing roll 8 and the doctor roll 9 are also provided with a roll gap adjusting device (not shown), which is determined by the thickness of the base paper of the core paper 2 and the like. A predetermined amount of glue transfer is controlled so that an appropriate amount of glue 4 can be supplied to the top of the corrugated step. Conventionally, the contact state between rolls due to an order change is reset (corrected) by the push button while observing the contact pressure between rolls or the display value between roll gaps, and after setting each independently, corrugated cardboard sheet No. 1 will be manufactured, not only will it take a long time to reconfigure, but also advanced technology (experience) is required for the same configuration, and there is also a possibility of erroneous operation due to the complexity of operation. It was

[0007]

As described above, the adjustment items of the roll engagement state, which are important in the conventional single facer for producing a single-faced corrugated board sheet, are the upper roll and the lower roll, and the lower roll and the pressure. There is a contact pressure applied between the rolls, and a gap to be formed between the lower roll and the pressure roll, the lower roll and the glue roll, and between the glue roll and the doctor roll. It is necessary to set to a predetermined value (optimum condition) corresponding to the thickness and paper width of the. Then, the condition setting of each of these parts is variably corrected by the operator operating the push button switch based on the value of the meter that has been individually measured and displayed, and adjusted to the predetermined condition corresponding to the condition of the base paper. However, there is a risk that the product quality will vary due to the operator's skill (experience) or the like, or a defective sheet will occur due to an erroneous operation. In addition, the time loss accompanying the setting change is large, and there are various problems such as a decrease in the operating rate of the device. The present invention has been proposed to solve the above conventional problems.

[0008]

For this reason, the present invention is directed to a contact pressure adjusting device for varying engagement between rolls such as an upper roll and a lower roll, a lower roll and a pressure roll, and a lower roll and a gluing roll. A gluing roll and a doctor roll, a lower roll and a pressure roll, and a gap adjusting device for varying the engagement state between the rolls, so that the contact state between the mutually engaging rolls can be variably set In the single facer of the corrugated machine, the contact state between the rolls engaged by operating each adjusting device by selecting and operating the keyboard of the condition setting operation panel based on the specifications of the base paper used for manufacturing Is configured so that it can be adjusted in accordance with a predetermined set value input in advance, and this is used as a means for solving the problem. Further, the present invention operates each of the adjusting devices by directly receiving the data from the production management device or the control device having the data such as the type of the base paper and the width of the base paper, which is equipped in the corrugating machine, and operating the data. The contact state between the rolls to be engaged with each other can be adjusted according to a predetermined set value input in advance, and this is a means for solving the problem.

[0009]

In the present invention, the contact pressure adjusting device and the gap adjusting device are provided so that the contact state between the rolls engaged with each other can be variably set, and the specification of the base paper used for manufacturing the keyboard of the condition setting operation panel. By making a selection operation based on (thickness, width, etc.), the contact state between the rolls engaged by operating the adjusting device can be adjusted according to a preset set value that has been input in advance. By electrically connecting the production control device or the control device having the specifications (thickness, width, etc.) of the raw paper to be supplied to the controller and the adjusting device, the contact state between the engaged rolls is pre-input. It can be adjusted according to the preset value. Therefore, theoretical or empirical ideal conditions for specifications such as the width of the corrugated board sheet and the thickness of the base paper (core paper, liner) can be automatically set and added between the engaged rolls. Further, it is possible to automatically reset the single facer due to the order change in a short time, and it is possible to obtain various effects such as reduction of erroneous operation and improvement of productivity.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the accompanying drawings. FIGS. 1 to 8 are explanatory views of an automatic setting device for a single facer showing an embodiment of the present invention. The overall structure of the single facer installed in the corrugating machine and the series of functions for manufacturing the single-faced corrugated board sheet 1 are the same as those described in the section of the prior art. By the way, according to the present invention, the contact state between the rolls, which is important in manufacturing the single-faced corrugated board sheet 1, is automatically set in accordance with the specifications of the base paper (core paper 2 and liner 3) to be manufactured. This is a device, and its configuration and functions will be described below.

In the single facer, the core paper 2 is corrugated as shown in FIG. 2 and is attached to the liner 3 fed through another path through the glue 4 transferred and supplied to the top of the chevron. , The contact pressures P ₁ and P ₂ applied between the upper roll 5 and the lower roll 6, the lower roll 6 and the pressure roll 7, and the lower roll 6 in the series of steps for forming the continuous single-sided corrugated sheet 1. The gap S ₃ between the roll 7 and the gap S ₄ between the lower roll 6 and the sizing roll 8 and the gap S ₅ between the sizing roll 8 and the doctor roll 9 can be adjusted to predetermined values. , Becomes the most important factor in improving the quality of the sheet 1. The roll contact pressures P ₁ and P ₂ and the roll gaps S ₃ , S ₄ and S ₅ are predetermined values (ideal conditions) according to specifications such as paper quality and paper width of the base paper used for manufacturing the single-faced corrugated board sheet 1. The contact pressures P ₁ and P ₂ are mainly set depending on the paper width and the gap S ₃ ,
S _4, S ₅ is determined by the thickness and the like paper quality of the base paper. Conventionally, a partial change in the contact state between rolls, which fluctuates due to changes in temperature and other conditions, is detected by equipping a load cell (pressure converter), etc., and the signal is sent to the corresponding adjusting device via a controller. A method of providing feedback and making appropriate corrections has been proposed. But the data that has been input in advance, rather than automatically carried occupies device settings engagement state of the overall roll, upon order change, all operators, the P ₁ to be displayed, P _2, S The numerical values of ₃ , S ₄ , and S ₅ were reset by changing the values to the predetermined values by the push button operation.

To explain the structure, the present invention inputs these predetermined values (conditions) obtained theoretically or experimentally into the storage device M in advance, and the specifications (base paper width) of the corrugated cardboard sheet 1 to be manufactured. , Base paper thickness) by selecting and specifying each contact pressure adjusting device R via the controller 10.
₁ , R ₂ and the gap adjusting devices R ₃ , R ₄ , R ₅ are actuated so that the contact state between the engaged rolls can be adjusted and set. FIG. 1X shows an example of the condition setting operation panel (selection matrix) 11. As shown in the figure, the selection key A is for the thin liner 3 and the thin core paper 2
Similarly, when manufacturing a narrow corrugated cardboard sheet 1 by using, the selection key R in the figure is a selection key for manufacturing a wide corrugated cardboard sheet 1 using the thick liner 3 and the thick core paper 2. is there. Further, R _{1 to} R ₅ are the contact state adjusting devices between the rolls shown in FIG. 2, and R ₁ and R ₂ are the contact pressures P ₁ of the upper roll 5 and the lower roll 6, and the lower roll 6 and the pressure roll 7 respectively. , P ₂ adjusting device, R _{3 to} R ₅ are lower roll 6 and pressure roll 7, lower roll 6 and sizing roll 8,
The clearance S ₃ between the gluing roll 8 and the doctor roll 9,
S ₄ and S ₅ adjusting device.

FIG. 3 is a block diagram showing the overall construction of a single-facer automatic setting device according to an embodiment of the present invention. Keyboards 1A and 1B are provided with selection keys A to R shown in FIG. In the storage device M, under the conditions shown in FIG.
The adjustment condition values to be set in the adjusting devices R _{1 to} R ₅ are stored. Further, the functions of the controller 10 shown in FIG. 3, the keyboards 1A and 1B, the storage device M, and the adjustment devices R ₁
6 shows a flow chart of signal exchange with R ₅ . The function of the controller 10 will be explained with reference to FIG.
In step 2, the contents corresponding to the selected key X are calculated from the command values stored in the storage device M as P ₁ , P ₂ , S ₃ , S.
_4, singled out conditions to be set to S _5, the adjustment apparatus R ₁ ~
Command the value to R ₅ . If the value according to this command is in an ideal state, the adjustment is completed and the operation is started, but if this command cannot be dealt with, the command is redone. Here, in the selection matrix of FIG. 1, for the selection key of A, for example, P ₁ = 10 kg / cm ² , P ₂ = 20 kg /
cm ² , S ₃ = 0.3 m / m, S ₄ = 0.2 m / m, S
The condition of ₅ = 0.5 m / m is input, and for the selection key of I, P ₁ = 50 kg / cm ² , P ₂ = 60
kg / cm ² , S ₃ = 0.5 m / m, S ₄ = 0.3 m /
The conditions of m and S ₅ = 0.8 m / m are input and stored in the controller 10 respectively.

Next, the function shown in FIG. 1 will be described. In the case of manufacturing a narrow corrugated cardboard sheet 1 using the thin liner 3 and the core paper 2 in the above-mentioned configuration, the operator may select the selection key A on the condition setting operation panel 11, whereby the rolls between the rolls can be selected. The setting conditions of are transmitted to the respective adjusting devices via the controller 10. Explaining this point in more detail, as described above, P ₁ is set to 10 kg / cm ² by driving R ₁ , and P ₂ is set to 20 kg / cm ² by driving R ₂ . Similarly S
₃ via R ₃ to 0.3 m / m, S ₄ via R ₄ to 0.2 m / m, and S ₅ via R ₅ to 0.5 m / m
Will be set respectively. By thus selecting and operating the selection keys A to R of the condition setting operation panel 11, the conditions corresponding to the corrugated cardboard sheet to be manufactured are instructed to be transmitted to the roller-to-roller contact state adjusting devices R, and the roller engagement states are changed. It can be set to the most ideal state.
In addition, the example selection matrix has two widths of paper,
Further, the thickness of the base paper (core paper 2, liner 3) is classified into three stages, respectively, but this classification can be set into various types according to need, such as further subdivision or roughening.

Next, Y in FIG. 1 is the operation panel 11 for setting the conditions.
Instead, the contact state adjustment between the rolls is performed via the controller 10 by the signal of the specifications of the corrugated cardboard sheet (type of the base papers 2 and 3, the paper width, etc.) transmitted from the production management device or the control device 12 installed in the corrugated machine. Device R ₁
To R ₅ in which actuate the example similar to a predetermined roll engagement state can be set. In this format, since the contact state between rolls due to an order change can be reset by a command from the production management device 12,
It is characterized in that it can be completely automated without requiring the selection operation of the selection keys A to R.

The configuration of this point will be described with reference to the block diagram of FIG. FIG. 5 is a block diagram showing an overall configuration of an embodiment in which data is directly received from a production control device (control device) C and operated without using a keyboard as in FIG. Further, FIG. 7 is an example of the entire daily operation schedule preset in the production control device C. In the example of FIG. 7, operation is performed under three conditions per day, and the paper and liner conditions at that time (this condition is No. 1) and the corresponding operating time are set. FIG. 8 is a flow chart executed by the controller 10 of FIG. 5, in which external devices (production management device C, storage device M,
The exchange of signals with each of the adjusting devices R _{1 to} R ₅ is shown. In FIG. 8, in step 1, data is received from the production control device C, and in step 2, material narrowing, sheet, and liner conditions under the set conditions are selected from the storage device M. The selected applicable conditions are instructed to the adjusting devices R _{1 to} R ₅ .
If the value of this command is ideal, the adjustment is completed and the operation is started, but if this command is not ideal, the command is redone. After that, the operation is continued and the operation ends.

The present invention is configured and functions as described above, and has a liner 3 and a core paper 2 used for manufacturing a corrugated cardboard sheet 1.
By inputting the specifications (width, thickness) of the base paper, etc., the engagement state between the rolls required in a single facer can be automatically set, so the setting time can be shortened or a high quality corrugated cardboard sheet 1 can be stabilized. It is possible to obtain various effects such as being manufactured by

[0018]

As described above in detail, according to the present invention, the contact state between the various rolls engaged with each other depends on various conditions (specifications) such as the core paper used for the production of corrugated cardboard sheets, the liner base paper, the width and the thickness. Can be set automatically and ideally. Therefore, it is possible to shorten the resetting time accompanying an order change, and it is not necessary to individually adjust a plurality of sets of adjusting devices (contact pressure adjusting device, gap adjusting device), which reduces erroneous operations by the operator (reducing the waste paper occurrence rate). Decrease. In addition, the operator can reduce the quality of corrugated board sheets, and it is possible to eliminate the need for advanced technology and experience, improve productivity, and always manufacture high quality corrugated board sheets.

[Brief description of drawings]

FIG. 1 is an explanatory diagram showing control methods X and Y of an automatic setting device showing an embodiment of the present invention.

FIG. 2 is a side sectional view of a single facer showing an embodiment of the present invention.

3 is a block diagram of a control method X of the automatic setting device in FIG.

4 is an explanatory diagram showing adjustment condition values stored in the storage device of FIG. 3. FIG.

5 is a block diagram of a control method Y of the automatic setting device in FIG.

FIG. 6 is a flowchart of the controller in FIG.

FIG. 7 is an explanatory diagram showing an example of a daily operation schedule of the production management device in FIG.

FIG. 8 is a flowchart of the controller in FIG.

FIG. 9 is a side sectional view of a conventional single facer.

FIG. 10 is a detailed view of a portion A in FIG.

11 is a detailed cross-sectional view of a B part in FIG.

[Explanation of symbols]

1 single-sided corrugated sheet 2 core paper 3 liner 4 glue 5 upper roll 6 lower roll 7 pressure roll 8 glue roll 9 doctor roll 10 controller 11 condition setting operation panel 12 production control device (control device) P ₁ upper and lower rolls Contact pressure P ₂ Contact pressure between lower roll and pressure roll S ₃ Gap between lower roll and pressure roll S ₄ Gap between lower roll and glue roll S ₅ Gap between glue roll and doctor roll R ₁ Top , Contact pressure adjusting device for lower roll R ₂ contact pressure adjusting device for lower roll and pressure roll R ₃ gap adjusting device for lower roll and pressure roll R ₄ gap adjusting device for lower roll and glue roll R ₅ glue roll And doctor roll gap adjustment device

Claims (2)

[Claims] 1. A contact pressure adjusting device for varying engagement between rolls of an upper roll and a lower roll, a lower roll and a pressure roll, a lower roll and a gluing roll, a gluing roll and a doctor roll, and the lower tier. In the single facer of the corrugated machine, which is equipped with a gap adjusting device for changing the engagement state between the rolls and the pressure rolls, and the contact state between the mutually engaging rolls can be variably set, By selecting and operating the keyboard of the setting operation panel based on the specifications of the base paper to be used for manufacturing, the contact state between the rolls engaged by operating the adjusting devices is set in advance by a predetermined setting. An automatic setting device for a single facer, which is configured so that it can be adjusted according to the value. 2. A contact pressure adjusting device for varying engagement between rolls such as an upper roll and a lower roll, a lower roll and a pressure roll, a lower roll and a gluing roll, a gluing roll and a doctor roll, and the lower tier. A corrugator for a single facer of a corrugating machine, which is provided with a gap adjusting device for varying the engagement state between rolls and pressure rolls, etc., and is capable of variably setting the contact state between the rolls engaged with each other. The rolls that operate by engaging the adjusting devices by directly receiving the data from the production management device or the control device having the data such as the type of the base paper and the width of the base paper installed in the machine and operating the machine. The automatic setting device for a single facer, characterized in that it is configured so that the contact state between the two can be adjusted according to a predetermined set value that has been input in advance. Place