JP3989013B2 - Web processing equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention, for each processing device is provided along the transport line of the window Ebb relates web processing device can be automatically set by collectively different operating conditions for each product.
[0002]
[Prior art]
For example, when a primary web product for forming an adhesive tape or an adhesive tape is manufactured, an adhesive, an adhesive, or the like is applied to one side of the web, heat-dried, and another web is laminated. When performing this type of processing, there are differences in the material, characteristics, width and thickness of the web to be coated, as well as in the viscosity of the coating material, the coating thickness, or the proportion of solids in the coating liquid. Accordingly, the operating conditions of each processing device are adjusted and set, and the web conveyance speed and tension are set to appropriate values for each processing section. The drying conditions for the coating material and the conditions for laminating are set at the same time.
[0003]
In the conventional web processing apparatus, the setting and adjustment of the processing conditions as described above are performed manually for each device provided along the web processing line. In many cases, data is input for each device based on data obtained from past web processing operations, experience values, and the like. When web processing that has never been experienced in the past is performed, a test operation is performed to find an appropriate value, and conditions for the main operation are determined for each device.
[0004]
[Problems to be solved by the invention]
Setting work conditions for web processing is performed for each individual product, and the same work conditions must be set for the same product. However, even if it is limited to coating processing, there are many product types, and there are a wide variety of setting items for each product, so even if past data or experience values are entered, human error It is easy to produce. In addition, it takes a lot of work and time to set work conditions for each device. If there is a setting error, it takes time to confirm which part of the setting is inappropriate, and the entire amount of web processed until the setting error is discovered is regarded as a defective product. It must be disposed of.
[0005]
In order to eliminate the troublesome setting work as described above, for example, a control system for each device may be merged to construct a collective control system that comprehensively manages and controls all devices. However, a large amount of investment is indispensable for the construction of this type of large-scale control system, and the same cost is required when a part of each device is replaced to improve the web processing capacity. In addition, it is difficult to individually control each device when exploring the working conditions of a product with no experience in the past.
[0006]
An object of the present invention is to previously store a group of data files such as known working conditions and experience values for web processing corresponding to each product, or working conditions for web processing newly obtained by a test operation. into data advance, by passing the working condition data selected from these group of data files for each device, automatically perform roux Ebb processing equipment collectively setting work conditions corresponding to the product Is to provide.
[0007]
Another object of the present invention is to make it possible to monitor the setting state and the actual operation state of each processing device by using the data of the sensors and alarm devices of the individual control devices belonging to each processing device, and thus abnormal It is to identify the cause of the occurrence and to quickly take countermeasures against abnormal situations.
[0008]
Another object of the present invention is to use an individual control device belonging to each device to construct an integrated work condition setting device, thereby preventing the overall cost of the web processing device from increasing abnormally, If desired, an existing web processing apparatus can be additionally installed at a lower cost.
[0009]
[Means for Solving the Problems]
C Ebb processing apparatus of the present invention, by a supply turret 2 to start continuous web W1 from the sheet roll 1, the coater 3 for coating one surface coating solution of the webs W1, a drying oven 4, another A laminator 5 for laminating the web W2 on the dried web W1 and a turret 6 for continuously winding the finished primary web product in a roll shape are arranged along the conveyance path of the web W1 , and each device 2-6 In addition, individual control devices 7 to 11 for controlling the operation state are respectively provided. The coater 3 is controlled by the individual control device 8 so that the coating film has a predetermined thickness corresponding to the conveyance speed of the web W1, and the drying furnace 4 is set in each heating zone set adjacent to the web feed direction. Every time, the temperature is managed by the individual control device 9 according to the characteristics of the web material and the coating liquid, and the laminator 5 is controlled by the individual control device 10 such as the heating temperature of the laminate roll and the pressure. Setters 12 to 16 for manually inputting work condition data are connected to the individual control devices 7 to 11 via a signal switch 17. An integrated control device 20 that passes work condition data for each product is provided to the individual control devices 7 to 11 of the devices 2 to 6, and the integrated control device 20 is connected to each device via a communication line 21 and a signal switch 17. Connect to individual control devices 7-11. The integrated control device 20 converts a group of data files such as known work conditions and experience values for web processing corresponding to each product, or work conditions for web processing newly obtained by a test operation into computer data. A storage unit 22 to be stored, a selection unit 23 for selecting an arbitrary data file from the group of data files or inputting new data, a list of the group of data files called from the storage unit 22 , and a setting unit The display unit 24 that displays the detailed contents of the data file selected at 23 and the work condition data included in the data file selected at the setting unit 23 are transmitted to the individual control devices 7 to 11 via the communication line 21. And a communication unit 25 that outputs the data. Than Te, the data signal output to the communication unit 25 or we number-based control unit 7-11 of the integrated control unit 20 is obtained by allowing automatic setting collectively the operating conditions of each device 2-6 .
[0010]
Specifically, each of the individual control devices 7 to 11 is provided with sensors 40 to 43 that monitor the operation status of the devices 2 to 6 and an alarm device that issues a warning when an abnormality occurs. Each sensor 40 to 43 and each alarm device are connected to the integrated control device 20 via the communication line 21. Thereby, in the integrated control apparatus 20, it enables it to monitor the setting state of each apparatus 2-6, and an actual operation state.
[0011]
[Action]
By using the individual control devices 7 to 11 of the devices 2 to 6 and giving the work data for each product to the integrated control device 20, the work condition data of the devices 2 to 6 are automatically set in a lump. Therefore, the work condition setting operation can be performed in a very short time, and the occurrence of defective products due to mistakes in inputting work condition data can be eliminated. Since the integrated control device 20 only receives data processing and signals from the sensors 40 to 43 and determines whether or not there is an abnormality, it can be configured with a personal computer or a touch panel, and the communication line 21 is connected to the signal switch 17. Since the whole apparatus can be constructed by connecting to the individual control apparatuses 7 to 11, the cost required for constructing the work condition setting apparatus can be reduced. It is possible to easily change the input data when changing or updating the devices for the purpose of improving the functions of the devices 2 to 6. When searching for new work data, by stopping the function of the integrated control device 20, the devices 2 to 6 can be operated based on the setting data input from the setting devices 12 to 16.
[0012]
According to the work condition setting device which receives signals from the sensors 40 to 43 belonging to the individual control devices 7 to 11 and monitors the setting state and the actual operation state of the devices 2 to 6 with the integrated control device 20, It is possible to know at a glance the occurrence of an abnormal situation or the location of the occurrence of the abnormal situation, and to take countermeasures quickly.
[0013]
【Example】
1 to 3 shows an embodiment of a web processing apparatus according to the present invention, a coating solution was coated on one side of the U Ebb W1, after heating and drying the coating layer, another on the other surface of the webs W1 web A line for laminating W2 to produce a primary web product is illustrated.
[0014]
In FIG. 1, a web processing apparatus includes a coater 3 for coating a coating liquid on one surface of a web W1, a drying furnace 4 and another web, starting from a turret 2 that continuously feeds the web W1 from an original roll 1. A laminator 5 for laminating W2 on the dried web W1 and a turret 6 for continuously winding the finished primary web product in a roll shape are included. Individual devices 7, 8, 9, 10, and 11 for controlling the operating states of the devices 2 to 6 are provided in the devices 2 to 6 arranged along the conveyance path of the web W <b> 1. In addition, the web path between the turret 2 on the feeding side and the coater 3, the web path between the coater 3 and the drying furnace 4, and the web path between the laminator 5 and the turret 6 on the winding side are: Tension detectors (sensors) 40, 41 and 42 for detecting the web tension are arranged (see FIG. 2). A temperature sensor 43 is provided in the drying furnace 4.
[0015]
The individual control devices 7 to 11 control the operating states of operating devices such as a motor for web conveyance or roller driving, an electromagnetic valve for controlling the supply amount of drying gas fuel, or a motor-driven valve. To do. Setters 12, 13, 14, and 15 for manually inputting work condition data are connected to each of the devices 7 to 11 via a signal switch 17. When manufacturing a new product, data is input from these setting devices 12 to 16 to search for working conditions. The feeding control of the web W1 is performed based on the speed of the motor that drives the laminating roller of the laminator 5.
[0016]
In the above web processing apparatus, a work condition setting device is provided in order to automatically set the work conditions of the devices 2 to 6 for each product collectively. This device is configured by using the integrated control device 20 and the individual control devices 7 to 11, and the integrated control device 20 and the individual control devices 7 to 11 are connected via the communication line 21 and the signal switch 17. Connected.
[0017]
The integrated control device 20 is composed of a personal computer or a touch panel, and stores a group of work condition data files for each product, which are converted into computer data in advance as shown in FIG. A setting unit 23 for selecting an arbitrary data file from the data files, a display unit 24 for displaying a list of a group of data files and detailed contents of the selected data file, and work conditions included in the selected data file The data is configured by a communication unit 25 that outputs data to the individual control devices 7 to 11 via the communication line 21.
[0018]
The storage unit 22 may be either an internal storage device represented by a hard disk or an external storage device represented by a floppy disk device or a CD-ROM device. The setting unit 23 includes an input device such as a keyboard, a mouse, and a touch panel. The display unit 24 includes a liquid crystal display device or a display device represented by a cathode ray tube. The communication unit 25 is configured by a device that performs signal processing necessary for transmission / reception of a data signal, such as an A / D, D / A converter, signal buffer, protocol converter, and modem.
[0019]
As shown in FIG. 2, the individual control devices 7 to 11 are provided with sensors 40 to 43 for monitoring the operation status of the devices 2 to 6, and an alarm device for contacting an alarm when an abnormality occurs. The output signals of the sensors 40 to 43 and the operation command signals to the alarm devices are exchanged with the integrated control device 20 via the communication lines 21 respectively, and by receiving signals from the sensors 40 to 43, integrated control is performed. The device 20 can monitor the actual operating state of each device 2-6. In addition, the integrated control device 20 receives signals from the sensors 40 to 43 to determine whether there is an abnormality, and activates each alarm device based on the determination result.
[0020]
During the web processing, the tension and the conveyance speed are controlled for each processing section in accordance with the material, characteristics, thickness, width dimension, and the like of the webs W1 and W2. The coater 3 is controlled so that the coating film has a predetermined thickness corresponding to the conveyance speed of the web W1. In the drying furnace 4, for each heating zone set adjacent to the web feeding direction, temperature management is performed according to the web material and the characteristics of the coating liquid. The laminator 5 controls the heating temperature and pressure of the laminate roll.
[0021]
Of the setters 12-16, when a motor, electromagnetically operated or air cylinder operated type clutch or brake related to web conveyance or tension control is to be controlled, a volume is used as the setter. When the control object is temperature, a temperature controller with an adjustment dial is used. When there is a signal input from the communication line 21 or any one of the setting devices 12 to 16, the signal switcher 17 cuts off the connection with the other, and only the input signal from one of the individual control devices 7 to 11 is received. Send to. If necessary, the signal switching unit 17 can be switched manually to input signals from the setting units 12-16.
[0022]
When operating the web processing device, first, the data file stored in the storage unit 22 of the integrated control device 20 is called up and displayed on the display unit 24. This display displays representative product specifications such as manufacturing specification numbers, material configurations, product names, etc. in a list, and a group of data files can be input by operating the designated keys of the setting unit 23. You can select a suitable data file from
[0023]
When a data file suitable for the product is selected, its detailed contents are displayed on the display unit 24. Since the work condition data to be given to the individual devices 2 to 6 is displayed on the display screen, after confirming the contents and inputting the designated key of the setting unit 23, each work data is transmitted to the communication unit 25 and the communication line. 21 to the individual control devices 7 to 11, and the work conditions of the devices 2 to 6 are automatically set collectively. Thereafter, the web processing apparatus is started, the web speed is stabilized at the primary speed, and further increased to a steady speed to perform the web processing.
[0024]
Since the signals from the sensors 40 to 43 are passed to the integrated control device 20 via the communication line 21 during operation at a steady speed, the operation status of the devices 2 to 6 can be monitored by the display unit 24. When an abnormality occurs, it is possible to immediately know what abnormality is occurring in which processing section. Therefore, it is possible to respond quickly and accurately when an abnormality occurs.
[0025]
When the integrated control device 20 is used as described above, the setting of work condition data for each of the devices 2 to 6 can be instantaneously performed at once, so the data file of the next product to be processed during the current processing is called and the next Can be ready for processing. The work condition data for each product is accumulated by the user while taking into account the experience value and the like according to the contents of the web processing. Therefore, even for the same type of product, the data is often different for different manufacturers.
[0026]
In the above-described embodiment, the case where the individual control devices 7 to 11 are provided for each of the devices 2 to 6 has been described. However, the individual control devices 7 to 11 have one control for a plurality of devices having the same control content. It may be integrated as a device. Further, when the conveyance system and the tension control system are controlled by a single integrated individual control device, this is handled as a single individual control device. In this case, a plurality of setting devices belong to one individual control device so that each device can be individually set .
[0027]
【The invention's effect】
In this invention, in order to perform web processing corresponding to each product, a group of work condition data is converted into computer data in advance and taken into the integrated control apparatus 20, and the target product selected from these group of data files is supported. Since the operation condition data to be automatically set for the individual control devices 7 to 11 of the respective devices 2 to 6 can be automatically set through the communication line 21, unless file data is selected erroneously. The work conditions corresponding to each product can be definitely set without fail, and the same work condition data can be accurately reproduced as it is without causing a slight difference in setting if the same product. As a result, even when many types of web-processed products are produced in small quantities, the work conditions for each device 2 to 6 can be set quickly and accurately. Productivity of processed products can be improved.
[0028]
Since the work condition setting device is configured using the individual control devices 7 to 11 of the devices 2 to 6, the total cost when adding the work condition setting device to the web processing device is calculated with the integrated control device 20 and the communication line 21. , And the introduction cost of the signal switcher 17 and the like, and the overall cost of the web processing apparatus can be reduced accordingly. According to the work condition setting device in which the signals from the sensors 40 to 43 belonging to the individual control devices 7 to 11 are taken into the integrated control device 20, the actual operation states of the web processing devices 2 to 6 are displayed. Since it can be confirmed by the unit 24 or the like, when an abnormality occurs due to any cause, the location of the abnormality and details of the cause of the abnormality can be immediately known, and a countermeasure for the abnormality can be quickly determined and implemented.
[Brief description of the drawings]
FIG. 1 is an explanatory diagram conceptually showing a web processing apparatus and a work condition setting apparatus.
FIG. 2 is an explanatory diagram showing a relationship between a work condition setting device and each sensor.
FIG. 3 is an explanatory diagram showing a relationship between an integrated control device and each device.
[Explanation of symbols]
2 Turret 3 Coater 4 Drying furnace 5 Laminator 6 Turrets 7 to 11 Individual controller 12 to 16 Setting device 17 Signal switcher 20 Integrated controller 21 Communication line 40 to 43 Sensor W1 Web W2 Web

Claims (1)

A coater (3) for coating a coating on one side of the web (W1), starting from a turret (2) for continuously feeding the web (W1) from the raw roll (1), a drying furnace (4), The laminator (5) for laminating another web (W2) onto the dried web (W1), and the turret (6) for continuously winding the finished primary web product in a roll form are provided on the web (W1). are arranged along the conveying path, to each device (2-6), the web processing device individual control device for controlling the operating state (7 to 11) are provided respectively,
The coater (3) is controlled by the individual control device (8) so that the coating film has a predetermined thickness corresponding to the conveyance speed of the web (W1), and the drying furnace (4) is adjacent to the web feed direction. The temperature is controlled by the individual control device (9) for each heating zone set in accordance with the characteristics of the web material and the coating liquid, and the laminator (5) has individual heating temperatures and pressures for the laminate roll. Controlled by the control device (10),
A setter (12-16) for manually inputting work condition data is connected to the individual control devices (7-11) via a signal switcher (17).
The integrated control device (20) for passing work condition data for each product to the individual control devices (7 to 11) of the respective devices (2 to 6) includes a communication line (21) and a signal switch (17). Connected to each individual control device (7-11) via
Each of the individual control devices (7 to 11) is provided with a sensor (40 to 43) for monitoring the operation status of each device (2 to 6) and an alarm device for issuing an alarm when an abnormality occurs. 43) and the alarm device are connected to the integrated control device (20) via the communication line (21),
The integrated control device (20) is a computer that stores a group of data files such as known work conditions and experience values for web processing corresponding to each product, or work conditions for web processing newly obtained by test operation. storage unit for storing in the data of the (22), selects an arbitrary data file from a group of data files, or setting unit for inputting new data (23), a group of called from the storage unit (22) list of data files, and a display unit for displaying details or the like of the selected data file in the setting unit (23) and (24), a working condition data included in the selected data files in the configuration unit (23) A communication unit (25) that outputs to the individual control devices (7 to 11) via the communication line (21) ,
The data signal output to the communication section of the integrated control device (20) (25) or al-number-based control device (7-11), web can be automatically set by collectively operating condition of each device (2-6) Processing equipment .

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