CN109203629B - Pattern registration method and system for double-sided laminating compounding machine - Google Patents
Pattern registration method and system for double-sided laminating compounding machine Download PDFInfo
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- CN109203629B CN109203629B CN201811039670.9A CN201811039670A CN109203629B CN 109203629 B CN109203629 B CN 109203629B CN 201811039670 A CN201811039670 A CN 201811039670A CN 109203629 B CN109203629 B CN 109203629B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/18—Handling of layers or the laminate
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Abstract
The embodiment of the invention provides a pattern registration method and a pattern registration system for a double-sided laminating compounding machine, wherein the method comprises the following steps: acquiring a first horizontal distance from a first color code on a first pattern to a second color code on a second pattern in a double-sided laminating compound machine; and if the difference between the first horizontal distance and the standard distance between the first color code and the second color code is judged and obtained to be not in a preset range, adjusting the running speed of the second pattern so as to register the first pattern and the second pattern. The method comprises the steps of obtaining the distance between a first color mark on a first pattern and a second color mark on a second pattern in the double-sided laminating compound machine, comparing the actual distance with a standard distance to judge whether the patterns are aligned, and if not, adjusting the running speed of one pattern to finish the pattern registration. The method does not need to depend on the experience of operators, has high registration precision, can realize automation and can meet the requirement of real-time registration.
Description
Technical Field
The embodiment of the invention relates to the technical field of automatic control, in particular to a pattern registration method and a pattern registration system for a double-sided laminating compounding machine.
Background
The double-side film coating compounding machine uses Polyethylene (PE) or polypropylene (PP) as raw material, adopts extrusion casting compounding process, and is used for double-side film coating compounding of PP (PE) plastic woven cloth (bag), various kinds of cloth, paper and films such as various kinds of coil paper, aluminized film, BOPP film and the like. The product compounded by the process is beneficial to improving the tensile strength, the air tightness and the moisture resistance of the packaging material. It is widely used for packaging production in food, chemical industry, beverage and other industries.
The traditional double-sided lamination pattern registration generally adopts the following two modes: (1) manual alignment: after the two-sided membrane that drenches and compound finishing, at the stroboscope of installation between compound roller and rolling portion, rely on the eyes to carry out the registration judgement to it, if not the registration, use pure mechanical structure to force the membrane of making certain face speed slow down or the stagnation before compound, through many times manual correction, reach the pattern and adjust the effect well. (2) Semi-automatic alignment: the same is adjusted well manually, and the operation workman relies on the stroboscope to judge whether the pattern is adjusted well, and the two membrane axles all adopt servo motor control, then through manual increase/reduction motor control instruction, reach the pattern and adjust the effect well.
However, the two registration modes depend on the practical experience of operators to a great extent, and the registration accuracy cannot be guaranteed; meanwhile, the high-strength high-frequency stroboscope has great harm to eyes of operators, and once the running speed of the machine is accelerated, the requirement of real-time registration cannot be met simply by relying on a registration mode of manual hand and eye coordination work.
Disclosure of Invention
The embodiment of the invention provides a pattern registration method and a pattern registration system for a double-sided laminating compounding machine, which overcome the problems or at least partially solve the problems.
In a first aspect, an embodiment of the present invention provides a pattern registration method for a double-sided lamination machine, including:
acquiring a first horizontal distance from a first color code on a first pattern to a second color code on a second pattern in a double-sided laminating compound machine;
and if the difference between the first horizontal distance and the standard distance between the first color code and the second color code is judged and obtained to be not in a preset range, adjusting the running speed of the second pattern so as to register the first pattern and the second pattern.
In another aspect, an embodiment of the present invention provides a pattern registration system for a double-sided lamination machine, including:
the first horizontal distance acquisition module is used for acquiring a first horizontal distance from a first color mark on a first pattern to a second color mark on a second pattern in the double-sided laminating compounding machine;
and the registration module is used for adjusting the running speed of the second pattern to register the first pattern and the second pattern if the difference between the first horizontal distance and the standard distance between the first color mark and the second color mark is judged and obtained to be not in a preset range.
In a third aspect, an embodiment of the present invention provides a system, which includes a processor, a communication interface, a memory, and a bus, where the processor, the communication interface, and the memory complete mutual communication through the bus, and the processor may call a logic instruction in the memory to execute the pattern registration method for a double-sided lamination laminating machine provided in the first aspect.
In a fourth aspect, an embodiment of the present invention provides a non-transitory computer-readable storage medium, which stores computer instructions, and the computer instructions cause the computer to execute the pattern registration method for a double-sided lamination laminator provided in the first aspect.
According to the pattern registration method and system of the double-sided laminating compound machine, provided by the embodiment of the invention, the distance between a first color mark on a first pattern and a second color mark on a second pattern in the double-sided laminating compound machine is obtained, the actual distance is compared with a standard distance to judge whether the patterns are aligned, and if the actual distance is not aligned with the standard distance, the running speed of one pattern is adjusted to complete the pattern registration. The method does not need to depend on the experience of operators, has high registration precision, can realize automation and can meet the requirement of real-time registration.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a flowchart of a pattern registration method for a double-sided lamination machine according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a part of a double-sided laminating compound machine according to an embodiment of the present invention;
fig. 3 is a block diagram of a pattern registration system for a double-sided lamination machine according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments, but not all embodiments, of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a flowchart of a pattern registration method for a double-sided lamination machine according to an embodiment of the present invention, as shown in fig. 1, including:
s101, acquiring a first horizontal distance between a first color mark on a first pattern and a second color mark on a second pattern in a double-sided laminating compound machine;
and S102, if the difference between the first horizontal distance and the standard distance between the first color code and the second color code is judged and obtained to be not in a preset range, adjusting the running speed of the second pattern so as to register the first pattern and the second pattern.
As shown in fig. 2, for a partial structural schematic view of a double-sided laminating machine according to an embodiment of the present invention, a photo-eye is disposed at a preset position of a loading mechanism of a first pattern, and is used for detecting a color patch on the first pattern, a photo-eye is also disposed at a preset position of a loading mechanism of a second pattern, and is used for detecting a color patch on the second pattern, and an encoder is mounted on a moving shaft of the loading mechanism of a base material. The loading mechanism of the first pattern and the loading mechanism of the second pattern are driven by independent servo motors respectively.
In step S101, the first color patch and the second color patch are selected from a plurality of color patches, and when the color patches pass through the detection position of the photo-eye, the photo-eye sends corresponding pulse signals to the controller and displays the pulse signals in the upper computer. And selecting a certain color mark in the first pattern as a first color mark and locking the detection position in the upper computer, and selecting a certain color mark of the second pattern as a second color mark and locking the detection position in the upper computer. The system will automatically filter out color scale signals outside the locking positions of the first and second patterns, i.e. color scale signals outside the locking positions will not participate in the implementation of the registration algorithm. The horizontal distance between the first color scale and the second color scale, i.e. the first horizontal distance, can be determined according to the pulse signals emitted by the photoelectric eye in the range of the locking position and the relative position of the photoelectric eye in the pattern.
In step S102, it can be understood that, in the case where the first pattern and the corresponding second pattern are in registration, the horizontal distance between the first color patch on the first pattern and the second color patch on the second pattern should be a fixed value, i.e., a standard distance. When the first pattern is not aligned with the corresponding second pattern due to various reasons, the horizontal distance between the first color code on the first pattern and the second color code on the second pattern is not equal to the standard distance any more, i.e. the first horizontal distance is not equal to the standard distance.
Specifically, in the running process of the double-sided laminating compound machine, the actual horizontal distance between a first color mark on a first pattern and a second color mark on a second pattern, namely a first horizontal distance, is obtained in real time, the first horizontal distance is compared with a standard distance, and if the difference value of the first horizontal distance and the standard distance is within a preset range, the first pattern and the second pattern are aligned without adjustment; if the difference value between the first pattern and the second pattern is not in the preset range, the first pattern and the second pattern are not aligned, and adjustment is needed, the second pattern is adjusted to eliminate the difference value between the first pattern and the second pattern, and then the first pattern and the second pattern are sleeved.
The embodiment of the invention provides a pattern registration method of a double-sided laminating compound machine, which is characterized in that the distance between a first color mark on a first pattern and a second color mark on a second pattern in the double-sided laminating compound machine is obtained, the actual distance is compared with a standard distance to judge whether the patterns are aligned, and if the actual distance is not compared with the standard distance, the running speed of one pattern is adjusted to finish the pattern registration. The method does not need to depend on the experience of operators, has high registration precision, can realize automation and can meet the requirement of real-time registration.
In the above embodiment, before obtaining the first horizontal distance between the first color patch on the first pattern and the second color patch on the second pattern, the method further includes:
and acquiring the running speed of the base material in the double-sided laminating compound machine, and automatically adjusting the running speed of the first pattern and the running speed of the second pattern to synchronous speeds according to a feedback signal of an encoder connected to a base material shaft.
Specifically, as shown in fig. 2, the running speed of the first pattern and the running speed of the second pattern are adjusted to the running speed of the base material according to a pulse signal fed back by an encoder installed on a moving shaft of the loading mechanism of the base material, so that the base material, the first pattern and the second pattern can realize accurate synchronous movement, and the working accuracy of the double-sided laminating machine under the condition that the first pattern and the second pattern are in registration is ensured.
In the foregoing embodiment, before adjusting the running speed of the second pattern to make the first pattern and the second pattern be aligned before determining that the difference between the first horizontal distance and the standard distance between the first color patch and the second color patch is not within a preset range, the method further includes:
and acquiring a standard distance between the first color scale and the second color scale.
Specifically, the standard distance is a standard for determining whether the first pattern and the second pattern are in registration, and since there may be an error in printing the first pattern and the second pattern, the standard distances corresponding to different first patterns and second patterns may be different.
In the above embodiment, the obtaining the standard distance between the first color scale and the second color scale specifically includes:
respectively acquiring the actual length of the first pattern and the actual length of the second pattern;
and correcting the initial standard distance between the first color mark and the second color mark according to the actual length of the first pattern and the actual length of the second pattern to obtain the standard distance.
Since the first pattern and the second pattern may have errors during printing, the actual length may not be equal to the designed length, and the standard distance between the first color patch and the second color patch may also vary. The initial standard distance may be understood as a standard distance at which the actual lengths of the first pattern and the second pattern are not the same as the design length.
Specifically, the initial standard distance may be corrected at preset intervals, and the initial standard distance corrected at each preset interval is the standard distance in the last preset interval. Through the correction process, the influence of the printing quality of the first pattern and the second pattern on the pattern registration can be avoided, and the registration is more accurate.
In the above embodiment, the respectively acquiring the actual length of the first pattern and the actual length of the second pattern specifically includes:
acquiring a second horizontal distance between the first color marks on two adjacent first patterns in the double-sided laminating compound machine, wherein the second horizontal distance is the actual length of the first pattern; and acquiring a third horizontal distance between the second color marks on two adjacent second patterns in the double-sided laminating compound machine, wherein the third horizontal distance is the actual length of the second pattern.
Specifically, within a preset interval, the actual length of each first pattern is equal by default, and the actual length of each second pattern is equal by default.
In the above embodiment, before the correcting the initial standard distance between the first color patch and the second color patch according to the actual length of the first pattern and the actual length of the second pattern, the method further includes:
selecting the first color patch from a plurality of color patches on the first pattern and the second color patch from a plurality of color patches on the second pattern;
and when the first pattern and the second pattern are aligned, acquiring a fourth horizontal distance between the first color scale and the second color scale, wherein the fourth horizontal distance is the initial standard distance.
In the foregoing embodiment, if it is determined that the difference between the first horizontal distance and the standard distance between the first color scale and the second color scale is not within a preset range, adjusting the running speed of the second pattern to align the first pattern and the second pattern specifically includes:
acquiring a control quantity of the second pattern according to the difference between the first horizontal distance and the standard distance between the first color scale and the second color scale, a historical error and a prediction error;
adjusting a running speed of the second pattern according to the control amount to register the first pattern and the second pattern.
Specifically, the method comprises the steps of entering a static error area monitoring module for analysis and judgment according to the difference between a first horizontal distance and a standard distance, obtaining an equivalent error by combining historical error, current error and error prediction by the static error area monitoring module, entering a fuzzy PID control module, calculating a control quantity, adjusting the roller phase of a bearing mechanism of a second pattern, and keeping the running speed of the bearing mechanism of the first pattern synchronous with the bearing speed of the bearing mechanism of the base material.
Fig. 3 is a block diagram of a pattern registration system for a double-sided lamination machine according to an embodiment of the present invention, as shown in fig. 3, including: a first horizontal distance acquisition module 301 and a registration module 302. Wherein:
the first horizontal distance obtaining module 301 is configured to obtain a first horizontal distance between a first color mark on a first pattern and a second color mark on a second pattern in a double-sided lamination machine. The registration module 302 is configured to adjust a running speed of the second pattern to register the first pattern and the second pattern if it is determined that a difference between the first horizontal distance and a standard distance between the first color scale and the second color scale is not within a preset range.
In the above embodiment, the double-side laminating machine further includes a speed adjusting module, configured to acquire a running speed of the base material in the double-side laminating machine, and adjust the running speed of the first pattern and the running speed of the second pattern to the running speed of the base material.
In the above embodiment, the apparatus further includes a standard distance obtaining module, configured to obtain a standard distance between the first color patch and the second color patch.
In the above embodiment, the standard distance obtaining module specifically includes:
the actual length obtaining submodule is used for respectively obtaining the actual length of the first pattern and the actual length of the second pattern;
and the correction submodule is used for correcting the initial standard distance between the first color mark and the second color mark according to the actual length of the first pattern and the actual length of the second pattern to obtain the standard distance.
In the above embodiment, the actual length obtaining submodule is specifically configured to:
acquiring a second horizontal distance between the first color marks on two adjacent first patterns in the double-sided laminating compound machine, wherein the second horizontal distance is the actual length of the first pattern; and acquiring a third horizontal distance between the second color marks on two adjacent second patterns in the double-sided laminating compound machine, wherein the third horizontal distance is the actual length of the second pattern.
In the above embodiment, the standard distance obtaining module further includes:
a patch selection sub-module for selecting the first patch from a plurality of patches on the first pattern and the second patch from a plurality of patches on the second pattern;
and the initial standard distance acquisition sub-module is used for acquiring a fourth horizontal distance between the first color scale and the second color scale when the first pattern and the second pattern are aligned, wherein the fourth horizontal distance is the initial standard distance.
In the above embodiment, the registration module 302 is specifically configured to:
acquiring a control quantity of the second pattern according to the difference between the first horizontal distance and the standard distance between the first color scale and the second color scale, a historical error and a prediction error;
adjusting a running speed of the second pattern according to the control amount to register the first pattern and the second pattern.
The pattern registration system of the double-sided laminating compound machine provided by the embodiment of the invention is characterized in that the distance between a first color mark on a first pattern and a second color mark on a second pattern in the double-sided laminating compound machine is obtained, the actual distance is compared with a standard distance to judge whether the patterns are aligned, and if the actual distance is not compared with the standard distance, the running speed of one pattern is adjusted to finish the pattern registration. The method does not need to depend on the experience of operators, has high registration precision, can realize automation and can meet the requirement of real-time registration.
Fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present invention, and as shown in fig. 4, the electronic device includes: a processor (processor)401, a communication Interface (communication Interface)402, a memory (memory)403 and a bus 404, wherein the processor 401, the communication Interface 402 and the memory 403 complete communication with each other through the bus 404. Processor 401 may call logic instructions in memory 403 to perform methods including, for example: acquiring a first horizontal distance from a first color code on a first pattern to a second color code on a second pattern in a double-sided laminating compound machine; and if the difference between the first horizontal distance and the standard distance between the first color code and the second color code is judged and obtained to be not in a preset range, adjusting the running speed of the second pattern so as to register the first pattern and the second pattern.
The logic instructions in the memory 402 may be implemented in software functional units and stored in a computer readable storage medium when sold or used as a stand-alone product. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Embodiments of the present invention provide a non-transitory computer-readable storage medium, which stores computer instructions, where the computer instructions cause the computer to perform the methods provided by the above method embodiments, for example, the methods include: acquiring a first horizontal distance from a first color code on a first pattern to a second color code on a second pattern in a double-sided laminating compound machine; and if the difference between the first horizontal distance and the standard distance between the first color code and the second color code is judged and obtained to be not in a preset range, adjusting the running speed of the second pattern so as to register the first pattern and the second pattern.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
The above-described embodiments of the communication device and the like are merely illustrative, and units illustrated as separate components may or may not be physically separate, and components displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods of the various embodiments or some parts of the embodiments.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (8)
1. A pattern registration method for a double-sided laminating compounding machine is characterized by comprising the following steps:
acquiring a first horizontal distance from a first color code on a first pattern to a second color code on a second pattern in a double-sided laminating compound machine;
if the difference between the first horizontal distance and the standard distance between the first color code and the second color code is judged and obtained to be not in a preset range, adjusting the running speed of the second pattern to enable the first pattern and the second pattern to be in registration;
before the determining that the difference between the first horizontal distance and the standard distance between the first color scale and the second color scale is not within a preset range, adjusting the running speed of the second pattern to align the first pattern and the second pattern, the method further includes:
acquiring a standard distance between the first color scale and the second color scale;
the obtaining of the standard distance between the first color scale and the second color scale specifically includes:
respectively acquiring the actual length of the first pattern and the actual length of the second pattern;
and correcting the initial standard distance between the first color mark and the second color mark according to the actual length of the first pattern and the actual length of the second pattern to obtain the standard distance.
2. The method of claim 1, further comprising, prior to said obtaining a first horizontal distance between a first patch on a first pattern and a second patch on a second pattern:
and acquiring the running speed of the base material in the double-sided laminating compound machine, and automatically adjusting the running speed of the first pattern and the running speed of the second pattern to synchronous speeds according to a feedback signal of an encoder connected to a base material shaft.
3. The method according to claim 1, wherein the obtaining the actual length of the first pattern and the actual length of the second pattern respectively comprises:
acquiring a second horizontal distance between two first color marks on two adjacent first patterns in the double-sided laminating compound machine, wherein the second horizontal distance is the actual length of the first pattern; and acquiring a third horizontal distance between two second color marks on two adjacent second patterns in the double-sided laminating compound machine, wherein the third horizontal distance is the actual length of the second pattern.
4. The method of claim 1, further comprising, before the correcting the initial standard distance between the first patch to the second patch according to the actual length of the first pattern and the actual length of the second pattern:
selecting the first color patch from a plurality of color patches on the first pattern and the second color patch from a plurality of color patches on the second pattern;
and when the first pattern and the second pattern are aligned, acquiring a fourth horizontal distance between the first color scale and the second color scale, wherein the fourth horizontal distance is the initial standard distance.
5. The method according to claim 1, wherein if it is determined that the difference between the first horizontal distance and the standard distance between the first color scale and the second color scale is not within a preset range, the adjusting the running speed of the second pattern to align the first pattern and the second pattern comprises:
acquiring a control quantity of the second pattern according to the difference between the first horizontal distance and the standard distance between the first color scale and the second color scale, a historical error and a prediction error;
adjusting a running speed of the second pattern according to the control amount to register the first pattern and the second pattern.
6. A pattern registration system for a double-sided laminating compound machine is characterized by comprising:
the first horizontal distance acquisition module is used for acquiring a first horizontal distance from a first color mark on a first pattern to a second color mark on a second pattern in the double-sided laminating compounding machine;
a registration module, configured to adjust a running speed of the second pattern to register the first pattern and the second pattern if it is determined that a difference between the first horizontal distance and a standard distance between the first color scale and the second color scale is not within a preset range;
before the determining that the difference between the first horizontal distance and the standard distance between the first color scale and the second color scale is not within a preset range, adjusting the running speed of the second pattern to align the first pattern and the second pattern, the method further includes:
acquiring a standard distance between the first color scale and the second color scale;
the obtaining of the standard distance between the first color scale and the second color scale specifically includes:
respectively acquiring the actual length of the first pattern and the actual length of the second pattern;
and correcting the initial standard distance between the first color mark and the second color mark according to the actual length of the first pattern and the actual length of the second pattern to obtain the standard distance.
7. An electronic device, comprising a processor, a communication interface, a memory and a bus, wherein the processor, the communication interface and the memory communicate with each other through the bus, and the processor can call logic instructions in the memory to execute the pattern registration method for the double-sided lamination laminating machine according to any one of claims 1 to 5.
8. A non-transitory computer-readable storage medium storing computer instructions for causing a computer to perform the pattern registration method for a double-sided lamination laminator according to any one of claims 1 to 5.
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