TWI379016B - Web guide control, web processing apparatus and method for operating the same - Google Patents

Abstract

A web guide control for guiding a web, the web guide control having a first guide roller (201) and a second guide roller (202) wherein the first guide roller (20) comprises an adjustment unit (310), the second guide roller (202) comprises a tension measurement unit (300), and the web guide control comprises a data connection (330) for supporting the adjustment unit with tension data from the tension measurement unit.

Description

1379016 ^Revised replacement page on the second day of the year IX. Description of the Invention: [Technical Field] The present invention relates to a guide controller and a web material processing apparatus for a web material. More particularly, the present invention relates to a web material guiding device for compensating for missing material and/or coiling equipment, and to a web material processing apparatus for coating web material in a vacuum apparatus. The invention also relates to a method of guiding a web of material, and in particular to compensating for the lack of web material during the guiding of the web material

[Prior Art] The handling of web material is an important topic for continuous web material handling equipment. It is required to configure and operate many coil reels to carry hundreds of meters or even hundreds of kilometers of reel material without causing damage to the web material, such as creping, unthreading, tearing and the like.

When handling the web material (such as coating the web material), of course, it is not easy to see a defect. These shortcomings may cause the entire production to stop and/or discard some or all of the treated web material. In other words, the guiding function of the web material is expensive and time consuming. To avoid failure of the web material handling equipment, this art has been designed to provide specific tolerances for each of the guide rollers of the web material guiding apparatus. Thus, a web material having a thickness difference of up to 0.02 millimeters (mm) along the width of the web material can be handled. However, for equipment with a long coil length, the additional tolerance guide roller tolerance will cause the equipment to tilt feed. In addition, in vacuum applications, small thickness errors can cause undue confusion or loss under ambient pressure. Γ 379016 _ . 丨 丨 丨 & & & 修正 修正 修正 【 【 【 【 【 【 【 【 【 & 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 & & & & & & & & & & & & The reel material processing equipment of item 0, and the reel material guiding method of claim No. 12 of the patent application are solved. Other aspects, details, and advantages will become more apparent from the following description of the appended claims.

In view of the above, a web material guiding controller for guiding the web material is proposed. The roll material guiding controller includes two guiding rollers, an adjusting unit provided on the first guiding roller, a tension measuring unit provided on the second guiding roller, and tension data using the tension measuring unit to support the adjusting unit. Connection data. According to another aspect of the invention, a web material processing apparatus having at least one pilot control is presented. According to yet another aspect of the invention, a method of guiding a web of material is presented. The method includes moving a side of the first guide roller to adjust a position of the first guide roller, and measuring a tension of the web material acting on the second guide roller to receive a measurement result, wherein the adjustment is performed according to the measurement result . Reel material processing equipment is generally applicable to the deposition of high vacuum web material layers. For example, in this application, a protective layer is deposited on a package substrate such as a thin plastic, paper or metal foil. A metal or oxide film can be deposited on the package substrate to form a barrier layer of moisture or oxygen to enhance the freshness and longevity of the consumer product using these layers. The web material processing equipment can also be applied to the field of manufacturing electronic products. 6 1379016 (10) Years to 23 «Replacement pages Conductive layers can be deposited onto the web as a conductive coating for applications such as capacitors and touch panels. [Embodiment]

One or more embodiments of the present invention will now be described in detail with reference to the drawings. The examples are merely illustrative of the invention and are not intended to limit the invention. For example, features mentioned in one embodiment may be combined with other embodiments to form another embodiment. The invention includes these modifications and variations.

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a diagram showing a web material processing apparatus for guiding a controller 10 using a web material in accordance with an embodiment of the present invention. The web material processing equipment comprises a web material processing unit 100, and the web material 1404 is supplied thereto. There is also a web material storage unit 110 in which the web material 140 is wound. The web material 140 enters the web material processing unit 100 via the inlet 120. The processed web material 150 exits the web material processing unit 100 via the outlet 130. Some devices do not use inlets or outlets or other similar units (especially under ambient pressure). The web material processing unit 1 generally comprises one, two, three, or more web material guiding controllers of the present invention for continuously processing the web material. The term "web" as used in this application encompasses ribbon-shaped, bendable substrates and the like. The web material is typically a three-dimensional solid body with a thickness of up to 1 mm, typically 1 micron (μπι) to 500 μιη, and a width of 10 cm (cm) to 4-5 m (m), more often 30 cm to 3 m. In one embodiment, the length of the web material is greater than 1 〇m. The web material typically consists of a continuous and flexible sheet material. The roll material is generally metal, plastic, paper, and the like. According to an embodiment of the invention, the web material is supplied 140 to the web material processing unit 100. Reel material The material storage unit 1 1 0, the reel material coil is typically 5,000 m to 50 km (km) in length. The material supply is supplied, for example, continuously from the presence or absence of the discharge to the web through the outlet exit section (shown halfway). The guiding speed is usually 0.1 to 20 m per second. The material processing unit 100 can perform different processing steps to cool, heat, or construct the web material. Reel Material Handling Unit 1 0 0 Processed Reel The reel material 15 0 exits the web through the outlet 1 30. The processed web material 150 is typically supplied to the second for storage. The present invention includes one or more web material processing equipment typically used in a variety of applications to direct web processing equipment particularly suitable for processing web materials such as metal rolls and materials and thin plastic web materials. Reel material refers to a thickness of 1 to 200 μm, especially materials. Figure 2 is a cross-sectional view of the apparatus 10 in accordance with an embodiment of the present invention. The roll material guides the first guide roller 2 0 1 of the controller 205 and has a corresponding shaft axis 02. The web material 140 is directed through the first and second guide rollers 202. The web material 140 may not be supplied to the web material supply, typically a reel. Coiled roll material of the embodiment, the section of the roll mouth, the roll material + processing unit 100 (not generally, the roll material, such as cleaning, coating, material, processed material processing unit 1处理. The processing unit, or the roll material of the guide guide controller. This roll material t (especially the aluminum reel understands the thin 30~140μηη reel material guide control I 本文) A second guide roller guide roller 201 having a corresponding shaft 2 15 is included and a page or a plurality of processing steps that have been processed or have been subjected to a 379016 _ · I (1) year t month. The first guide roller 201 Generally, it is placed upstream of the second guiding roller 202. It should be understood that the term "downstream" or "upstream" in the present application depends on the direction of travel of the reel material. The reel material of the present invention guides the controller 10 and It is not limited to a reel material processing apparatus. For example, the reel material guiding controller can also be applied to a manufacturing plant that needs to transport the reel material. In principle, the first guiding roller 201 can also be placed on the second guiding roller. Downstream of 202.

According to the present invention, the distance of the two shafts 2 0 5, 2 1 5 can be adjusted to compensate for the lateral tension of the web material acting between the guide rollers 20 1 and 202. To compensate, the second guide roller is provided with a web material tension measuring unit, such as a tension sensor. The tension sensor can be a piezoelectric or piezoelectric tension sensor. Alternatively, the sensor can be equipped with a Hall element or a capacitor to measure the tension. In other embodiments, the first guide roller and the second guide roller are each provided with a tension measuring unit. According to the illustrated embodiment of the invention, the web tension measuring unit is disposed within the second guide roller 202. Measuring sensors are typically used to measure tensions from 0 to 400 N/m. The adjustment unit located on the side of the first guide roller 201 is usually used to adjust the distance. It should be understood that the "side" of the roller is located at or near the end of the roller or its shaft. The diameter of the guide roller of the present invention is usually 65 mm to 300 mm. The benefits of using a two-roller system instead of a single roller system for measurement and adjustment, for example, can improve handling shocks caused by the control loop. In principle, the adjustment unit can be used to align the guide rollers required to prevent lateral tension from acting on the web material. In general, the web material guiding controller 10 of the present invention is particularly suitable for compensating for different coil strengths of the guiding rollers 20 1 and 202. The difference in coil strength is most often due to the thickness of the web along its width. 9 Γ 379,016. This will not only tilt the feed, but will also change the contact of the guide roller with the web material, which may be accompanied by thermal disturbances. If the distance between the shafts of adjacent guide rollers is less than 1 m, it is usually necessary to properly transport the roll material.

In some embodiments of the invention, the first guide roller 210 and/or the second guide roller 202 are cooling or heating rollers. Alternatively or additionally, another cooling or heating guide roller may be disposed between the first guide roller 20 1 and the second guide roller 202, upstream of the first guide roller 201 and the second guide roller 202, or A guide roller 201 and a downstream of the second guide roller 202. Other processing steps such as cleaning or coating may be performed before the first guide roller, between the first guide roller and the second guide roller, or after the second guide roller. Figure 3 is a schematic illustration of an embodiment of the invention. The figure shows various constituent elements for partially adjusting the lateral tension of the web material in this embodiment: an adjusting unit 310 provided on the first guiding roller 201, a tension measuring unit 300 provided in the second guiding roller 202, and The connection data 3 3 0 between the guiding rollers 2 0 1 and 2 0 2 is used to provide the tension data to the adjusting unit 310. The first guide roller 20 1 is normally placed upstream of the second guide roller 202.

The connection data 3 3 0 is used to transmit the information of the measurement unit to the adjustment unit 3 1 0. The connection data 3 3 0 can also be used to transmit the information of the adjustment unit 3 1 0 to the external interface. The external interface is typically composed of a personal computer for processing the data of the adjustment unit 310. Again, the interface can be comprised of an analog front panel that includes different components to adjust the adjustment unit 310, i.e., utilizes various potentiometers, regulators, switches, and displays. Furthermore, the interface can also be comprised of digital devices, including numeric pads, graphical displays, text commands, or graphical user interfaces. These interfaces typically include various features such as controller power 10 1379016 [(1) 夂 正 positive replacement page energy, system calibration, compensation or addition of ambient conditions, and recording of the tension measurement unit 300 or the adjustment unit 310 waveform.

Connections 330 and various devices can be connected using different ports. If serial communication is used, the connection port is typically RS232, RS422, RS485, or Universal Sequence Bus (U S B). If the connection data 3 3 0 is to be communicated with the computer, a parallel communication device is usually used. Commonly used parallel communication devices are DB-25, Centronics 36, SPP, EPP, or ECP in parallel. The connection data 3 3 0 allows the adjustment unit 3 1 0 to be compatible with a transistor-transistor logic (TTL) or a programmable logic controller (PLC). In addition, the connection data 330 can be connected to the adjustment unit 310 and the network.

According to an embodiment of the present invention, the tension acting on the two shafts 2 1 5, 2 16 of the second guide roller 2 0 2 will be respectively obtained. The obtained data is processed and transferred to the adjustment unit 3 1 0 of the first guide roller 201. The adjusting unit 3 10 adjusts the position of the shaft of the first guiding roller 20 1 . Thereby, the distance between the shaft of the first guide roller and the shaft of the second guide roller is adjusted. The adjustment unit 3 1 0 is operated to equalize the measured tension of the shafts on both sides of the second guide roller 202. However, the position of the shaft on both sides of the first guide roller 20 1 (not shown) can also be adjusted. Figure 4 is a schematic illustration of a web material guiding controller 10 in accordance with another embodiment of the present invention, wherein the adjustment unit includes a rotating shaft 420 and a moving member 4 1 1 . The web material tension measuring unit 300 is placed on the bearings 431, 432 of the second guide roller 2 0 2 . In general, moving element 411 encloses drive 4 1 0 (e.g., a motor) and moving bearing 4 1 5, which can be removed along machine frame 452. The shaft 2 0 6 is attached to the moving bearing 4 1 5 to enclose the drive 4 10 . Cyclone 11

Γ379016 _ ·." [Year of the Year; 3 of 9 Correction Replacement Page The shaft rod 42 0 encloses the shaft 205, which freely pivots the machine frame 45. The adjustment unit of the present invention can use different types of motors. On the side of the guide roller 2 0 1 —, the distance between the two guide rollers 2 0 1 and 2 0 2 can be adjusted. For this purpose, a power engine is usually available. An electric or hydraulic motor of the present invention drives the adjustment. The position of the first guide roller 201 415 is preferably adjusted such that the two tensioners of the second guide roller 202 face the same load. In an embodiment of the invention, the web material tension measuring unit is a compressor and a strain gauge. Converters typically include a transmission that flexes and contracts in response to changes in tension. The measured value of the corresponding resistance change meter is usually amplified and converted into voltage or current for processing. The web tension measuring unit typically contains an analog or digital front to further process the tension measurement. The web material tension measuring units are arranged in a row to maximize the tension measurement of the material traveling between the first and second guide rollers. The web tension measuring unit is generally not provided on the guide roller, for example, by a pillow block, by a cantilever bracket flange or a clamp, using a screw or a screw-in perforation. Figure 5 is a diagram showing the signal transmission flow of the web material guiding system according to an embodiment of the present invention, which includes a closed loop controller based on a 500 Ω lateral tension measurement. The closed loop system utilizes the value before the number 5 3 3 and the control signal 532 (the output of the device itself) that is transmitted to the control system, and the output of the control system (such as the feedback signal is equal to the value of the adjustment point 5 3 4). The main components are the control and reel material guiding system 502, which constitutes the first lead bearing of the reel of the present invention. The measuring principle of the moving shaft includes a rotating rod, which is at one step of the strain, and is usually used for winding the cylinder. In the same way, through the guide control negative feedback feedback signal for control 5 3 3) protector 501 material introduction 12 Γ 379016

Guide controller 10. The tension difference between the two sides of the second guide roller 202 is 533. The adjustment point 534 of the controller of the present invention typically has a tension difference that is less than the transverse tension acting on the web material. Therefore, in the embodiment, the error 5 3 1 of the controller corresponds to the tension difference measurement: signal 5 3 3 ). In an embodiment of the invention, the controller uses the adjustment to compensate for the deviation of the zero value of the deviation error 531. The error 531 is often converted into a distance that adjusts the axis of the two guide rollers 201, 202. Thus control signal 5 3 2 (such as the output of the controller) directs the distance between the shafts of the rollers 201, 202. In principle, the controller 5 01 can adopt different control methods. The linear control method is generally used, and is selected from the group consisting of proportional integral J control, proportional integral (ΡΙ) control, and proportional differential (PD) control control. However, embodiments of the present invention may also use non-linear control advanced controls such as suitable gain, dead time compensation, mode neural networks, or feedforward control. The controller of the present invention can be used for analog logic or digital interface (TTL) compatible analog or digital interfaces. Often operating in a discrete manner, for a certain period of time (the value of the unit after Δ〇. The controller of the present invention may also have other characteristic signal calculations or filtering, or built-in indicators. Controller functions in accordance with an embodiment of the present invention Operation, discrete ΡID controller. The difference between the feedback force measurement values of the specific control steps / 71, 215, Γ, 2 u. Generally, the actual controller of the present invention needs to compensate for the lateral force on the reel material to remain zero. That is, the tension on both sides of the second guiding roller 202 should be a feedback signal to compensate for a t value in the present invention (ie, the compensation value of the feedback adjusting unit 3 1 0 through the poles 2 0 5, 2 1 5 generally corresponds to The second method: controller thin differential (PID), and proportional (P) method to implement paste logic, class & and transistor-digital interface communication update adjustment, such as self-adjustment, the following description corresponds to two examples , , so the adjustment points are equal. It is 13 1379016

The error signal for a particular processing step/corresponds to: Ε^Ί]215-Ί]1'6. The PID controller calculates the output value according to the following formula Ζ) ί+1 : DM=D^KpE, +Kd{E, -£m)- where the first term corresponds to the integral part of the controller, and the second term corresponds to the ratio, Three corresponding differential parts. For the proportional band, it is the differential gain. In addition to zero, the Di+i-value generally corresponds to the change in the side of the first guide roller 201. In other embodiments of the invention, this corresponds to the operation of the signal of the driver 410 of the adjustment unit in the first pilot axis 201. The present invention has been described in connection with the preferred embodiments of the present invention. While the invention has been described above with respect to the specific embodiments thereof, it will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention. In particular, the features of the above embodiments that are not touching each other can be combined. The protection of the present invention is defined by the scope of the appended claims, and may include other embodiments of the skilled artisan. The structural elements that are the same as the scope of the patent application are substantially the same as the scope of the patent application. Other embodiments of the structural elements are within the scope of the patent application. BRIEF DESCRIPTION OF THE DRAWINGS The above-mentioned features and advantages of the present invention will become more apparent from the detailed description of the preferred embodiments illustrated herein Example of the tube material processing equipment, except for the bit roll book> The 14 Γ 379016 schematic diagram of the article. Fig. 2 is a cross-sectional view showing a web material guiding control system according to an embodiment of the present invention. Figure 3 is a cross-sectional view of a web material guiding control system in accordance with another embodiment of the present invention. Fig. 4 is a cross-sectional view showing a web material guiding control system according to still another embodiment of the present invention.

Figure 5 is a flow diagram of a method of guiding a web of material in accordance with an embodiment of the present invention.

[Main component symbol description] 10 boot controller 100 processing unit 110 storage unit 120 inlet 130 outlet 140, 150 reel material 20 1 , 202 roller 205 , 206 , 215 ' 216 , 420 shaft 300 measuring unit 3 10兀330 Connection data 4 10 Drive 4 11 Moving element 415, 43 1 ' 4 3 2 Bearing 45 1 , 452 Frame 500 Feedback 501 Controller 502 Guidance system 53 1 Error 532, 533 Signal 534 Adjustment point 15

Claims (1)

1379016 X. Patent Application Range: 1. A roll material guiding controller for guiding a roll of material, the roll material guiding controller having a first guiding roller (201) and a second guiding roller (202) ), wherein: the first guiding roller comprises an adjusting unit (310); The second guide roller includes a force measuring unit (300), wherein the first guiding roller is disposed downstream of the second guiding roller with respect to the web guiding direction; and the web guiding controller A data connection (3 3 0 ) is included, and the data connection (3 3 0 ) uses the tension data of one of the tension measuring units to support the adjustment unit. The reel material guiding controller of claim 1, wherein the tension measuring unit (300) comprises a first tension sensor disposed on the second guiding roller (202) a first side. 3. The web material guiding controller of claim 1, wherein the tension measuring unit (300) comprises a second tension sensor disposed on the second guiding roller (202) a second side. 4. The web material guiding controller of any one of the preceding claims, wherein the adjusting unit (310) comprises a motor for moving the first guiding roller, the motor being placed in the first guiding One side of the roller. The reel material guiding controller according to any one of claims 1 to 3, wherein the adjusting unit is controlled by a closed loop controller, and the tension data is used as a variable feedback signal. 6. The web material guiding controller of claim 5, wherein the closed loop controller comprises an analog electronic component. 7. The web material guiding controller of claim 5, wherein the closed loop controller comprises a digital electronic component. 8. A web material processing apparatus, the web material processing apparatus having at least one web material guiding controller as claimed in any one of the preceding claims. 9. The web material processing apparatus of claim 8, wherein the web material processing apparatus further comprises a coating unit for coating the web material. 10. A method of guiding a roll of material, the method comprising the steps of: adjusting the position of the first guide roller by moving a side of a first guide roller; measuring the roll material acting on A force on the second guiding roller, 17 Γ 379016, receives the measurement result, wherein the measuring step is performed upstream of the adjusting step with respect to the direction; and wherein the adjusting step is based on the measurement result. The method of claim 10, wherein the method of claim 10 is performed on a first side and the second side of the second guide roller. 1 2 as described in any one of claims 1 to 10, wherein the adjusting step is to guide the material of the roll on one side of the first guiding roller. In the measurement step, a method of guiding the roller, wherein 18 1379016 ((>(Year of the factory, the date of the replacement, the page of the jth patent | | 丨 / month correction ▲