CN220808506U - Corona pretreatment system of biaxial stretching equipment - Google Patents

Corona pretreatment system of biaxial stretching equipment Download PDF

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Publication number
CN220808506U
CN220808506U CN202322472838.8U CN202322472838U CN220808506U CN 220808506 U CN220808506 U CN 220808506U CN 202322472838 U CN202322472838 U CN 202322472838U CN 220808506 U CN220808506 U CN 220808506U
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Prior art keywords
corona
roller
temperature
pretreatment
film
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CN202322472838.8U
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Chinese (zh)
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王勇
鄢勋
胡毅
何露
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Jiangsu Jicui Functional Material Research Institute Co ltd
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Jiangsu Jicui Functional Material Research Institute Co ltd
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Abstract

The utility model discloses a corona pretreatment system of a biaxial stretching device, which relates to the field of film processing and comprises a corona pretreatment mechanism and a corona treatment mechanism which are sequentially arranged according to the transmission direction of a film, wherein the corona pretreatment mechanism comprises a corona pretreatment roller and a temperature regulating mechanism, and the temperature regulating mechanism is used for regulating the temperature of the corona pretreatment roller. The temperature of the film is increased by increasing the temperature of the corona pretreatment roller, so that a better corona treatment effect can be achieved under lower corona power, the technical problem of corona on the back of the film which is not solved for many years in the biaxially oriented film industry is solved, and meanwhile, the energy consumption of corona treatment and the cost of corona treatment can be reduced.

Description

Corona pretreatment system of biaxial stretching equipment
Technical Field
The utility model relates to the field of film processing, in particular to a corona pretreatment system of a biaxial stretching device.
Background
Back corona (back corona) is the most headache and general bias problem in the process of manufacturing biaxially oriented films, and all films generating back corona are disqualified products. With the current technology and detection means, real-time online detection cannot be realized, and only sampling detection is possible. Once the back corona appears, the back corona is not found in time, and huge loss is caused to the production enterprises.
Air is arranged between the film and the corona roller, and the air can generate ionization to cause back corona under high frequency and high voltage. The air can not be completely prevented from entering under the existing conditions and technology, the corona power can only be reduced if no back corona exists, but the corresponding treatment effect is also reduced.
Disclosure of utility model
In order to overcome the defects, the utility model provides a corona pretreatment system of a biaxial stretching device, which solves the technical problem of back corona by increasing the temperature of a film, and can reduce corona power and save resources.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the corona pretreatment system of the biaxial stretching device comprises a corona pretreatment mechanism and a corona treatment mechanism which are sequentially arranged according to the transmission direction of the film, wherein the corona pretreatment mechanism comprises a corona pretreatment roller and a temperature regulating mechanism. The corona pretreatment roller is used for carrying out preheating treatment on the film to be subjected to corona treatment, the temperature of the film is increased by increasing the temperature of the corona pretreatment roller, the temperature of the film is increased, a better corona treatment effect can be obtained under lower corona power, and the technical problem of back corona (back corona) is solved.
The temperature adjusting mechanism is used for adjusting the temperature of the corona pretreatment roller and increasing or decreasing the temperature of the corona pretreatment roller.
The corona pretreatment mechanism further comprises a temperature sensor, and the two-way stretching equipment corona pretreatment system further comprises a controller, wherein the temperature sensor is used for detecting the temperature of the film. The temperature sensor feeds back the monitored film temperature to the controller, and the controller controls the temperature regulating mechanism according to the temperature feedback condition, and the temperature regulating mechanism regulates the temperature of the corona pretreatment roller according to the received temperature information.
Further is: the temperature sensor is arranged on one side of the corona treatment mechanism, which is far away from the corona pretreatment roller.
Further is: the temperature sensor is an infrared temperature sensor.
According to the application, the film is subjected to heating pretreatment by arranging the corona pretreatment roller, so that the film surface temperature is improved, a good corona treatment effect can be obtained under lower corona power, the problem of back corona caused by overhigh corona power is avoided, the technical problem of film back corona (back corona) which is not solved for many years in the biaxially oriented film industry is solved, meanwhile, the energy consumption of corona treatment can be reduced, and the cost of corona treatment is reduced. According to the application, the temperature of the film is monitored in real time through the temperature sensor, the monitored temperature of the film is fed back to the controller, and the controller controls the temperature regulating mechanism to regulate the temperature of the corona pretreatment roller according to the temperature feedback condition, so that the closed-loop control of the temperature is realized, the temperature of the film is kept stable, and the consistency of corona treatment is good.
Further is: the temperature adjusting mechanism comprises a die temperature machine, which is called a die temperature controller, and in a broad aspect, the die temperature machine is called temperature control equipment and comprises temperature control in two aspects of temperature control and freezing.
The temperature regulating mechanism further comprises a pipeline and a rotary joint, the corona pretreatment roller is connected with the mold temperature machine through the pipeline and the rotary joint, the rotary joint is a pipeline connecting device, and the connected pipeline can be used for conveying various liquid media such as water, oil and the like.
The liquid medium in the mold temperature machine flows into the corona pretreatment roller through the pipeline and the rotary joint, flows into the mold temperature machine through the rotary joint and the pipeline from the corona pretreatment roller after heat exchange, and is electrically connected with the controller.
Further is: the corona treatment mechanism comprises a lower corona roller and an upper corona roller, a first corona press roller matched with the lower corona roller to drive the film to drive is arranged on one side of the lower corona roller, a gap for the film to pass through is formed between the lower corona roller and the first corona press roller, and a lower corona host machine for driving the lower corona roller to rotate is arranged on one side of the lower corona roller; one side of the upper corona roller is provided with a second corona press roller matched with the upper corona roller to drive the film to drive, a gap for the film to pass through is arranged between the upper corona roller and the second corona press roller, and one side of the upper corona roller is provided with an upper corona host machine for driving the upper corona roller to rotate.
The lower corona main machine rotates to drive the lower corona roller to rotate, and the lower corona roller and the first corona press roller cooperate to drive the film to drive in a direction approaching to the upper corona roller; the upper corona main machine rotates to drive the upper corona roller to rotate, and the upper corona roller and the second corona press roller cooperate to drive the film to drive.
Further is: the temperature program controller is arranged in the mold temperature machine, and the temperature adjustment of the corona pretreatment roller is realized by adjusting the heating input power.
The beneficial effects of the utility model are as follows:
(1) According to the application, the film is subjected to heating pretreatment by arranging the corona pretreatment roller, so that the film surface temperature is improved, a good corona treatment effect can be obtained under lower corona power, the problem of back corona caused by overhigh corona power is avoided, the technical problem of film back corona (back corona) which is not solved for many years in the biaxially oriented film industry is thoroughly solved, meanwhile, the energy consumption of corona treatment can be reduced, and the cost of corona treatment is reduced.
(2) According to the application, the temperature of the film is monitored in real time through the temperature sensor, the monitored temperature of the film is fed back to the controller, and the controller controls the temperature regulating mechanism to regulate the temperature of the corona pretreatment roller according to the temperature feedback condition, so that the closed-loop control of the temperature is realized, the temperature of the film is kept stable, and the consistency of corona treatment is good.
Drawings
FIG. 1 is a schematic diagram of an overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic view of a corona treatment mechanism according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram of a temperature adjusting mechanism according to an embodiment of the present utility model;
In the figure: 1. a corona pretreatment roller; 2. a corona treatment mechanism; 3. a temperature sensor; 4. a temperature adjusting mechanism; 41. a mold temperature machine; 42. a pipeline; 43. a rotary joint; 21. a lower corona roller; 22. a corona roller is arranged; 23. a first corona roller; 24. a lower corona host; 25. a second corona roller; 26. a corona main machine is arranged; 100. a film.
Detailed Description
The embodiments of the present utility model will be described in detail below with reference to the drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and unambiguous the scope of the present utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1, an embodiment of the present application provides a corona pretreatment system of a biaxial stretching apparatus, which includes a corona pretreatment mechanism and a corona treatment mechanism 2 sequentially disposed according to a transmission direction of a film 100, where the corona pretreatment mechanism includes a corona pretreatment roller 1 and a temperature adjustment mechanism 4, the temperature adjustment mechanism is used to adjust a temperature of the corona pretreatment roller, the corona pretreatment roller 1 is used to pretreat the film 100 to be corona treated, and by increasing the temperature of the corona pretreatment roller 1, the temperature of the film 100 is increased, and by increasing the temperature of the film, a better corona treatment effect can be obtained under a lower corona power, so as to solve a technical problem of back corona (back corona).
The corona pretreatment mechanism further comprises a temperature sensor 3, wherein the temperature sensor 3 is used for detecting the temperature of the film and can monitor the temperature of the film in real time, and the temperature sensor 3 is arranged on one side, far away from the corona pretreatment roller 1, of the corona treatment mechanism. The temperature sensor 3 may be an infrared temperature sensor or an ultrasonic temperature sensor, and in this embodiment, the temperature sensor 3 is an infrared temperature sensor. The temperature sensor 3 feeds back the monitored temperature to the controller, and the controller controls the temperature regulating mechanism 4 according to the temperature feedback condition, and the temperature regulating mechanism 4 regulates the temperature of the corona pretreatment roller 1 to be increased or decreased according to the received temperature information.
One side of the corona pretreatment roller 1 is provided with a temperature adjusting mechanism 4 for adjusting the temperature of the corona pretreatment roller 1, and the temperature adjusting mechanism 4 adjusts the temperature of the corona pretreatment roller 1 according to the temperature of the film monitored by the temperature sensor 3, so as to adjust the temperature of the film. The corona pretreatment system of the biaxial stretching device further comprises a controller, and the temperature sensor 3 and the temperature regulating mechanism 4 are respectively and electrically connected with the controller.
The temperature of the film is increased by increasing the temperature of the corona pretreatment roller 1, so that a good corona treatment effect can be obtained under lower corona power, the problem of back corona caused by high corona power is avoided, the technical problem of film back corona (back corona) which is not solved for many years in the biaxially oriented film industry is thoroughly solved, the energy consumption of corona treatment can be reduced, and the cost of corona treatment is reduced.
According to the application, the temperature of the film is monitored in real time through the temperature sensor 3, the monitored temperature of the film is fed back to the controller, and the controller controls the temperature regulating mechanism 4 to regulate the temperature of the corona pretreatment roller 1 according to the temperature feedback condition, so that the closed loop control of the temperature is realized, the temperature of the film is kept stable, and the consistency of corona treatment is good.
On the basis of the above, as shown in fig. 3, the temperature adjusting mechanism 4 includes a mold temperature machine 41, the mold temperature machine 41 is also called a mold temperature controller, and in a broad sense, a temperature control device includes temperature control in both heating and cooling, thereby adjusting the temperature of the corona pretreatment roller 1.
The temperature adjusting mechanism 4 further comprises a pipeline 42 and a rotary joint 43, the corona pretreatment roller 1 and the mold temperature machine 41 are connected through the pipeline 42 and the rotary joint 43, the rotary joint 43 is a pipeline 42 connecting device, and the connected pipeline 42 can be used for conveying various liquid media such as water, oil and the like.
The liquid medium in the mold temperature machine 41 flows into the pipeline in the corona pretreatment roller 1 through the pipeline 42 (inflow pipeline) and the rotary joint 43, flows back into the mold temperature machine 41 through the rotary joint 43 and the pipeline 42 (outflow pipeline) from the corona pretreatment roller 1 after heat exchange, and the mold temperature machine 41 is electrically connected with the controller.
On the basis of the above, as shown in fig. 2, the corona treatment mechanism 2 comprises a lower corona roller 21 and an upper corona roller 22, one side of the lower corona roller 21 is provided with a first corona press roller 23 which is matched with the lower corona roller 21 to drive the film to drive, and a gap for the film to pass through is arranged between the lower corona roller 21 and the first corona press roller 23. One side of the lower corona roller 21 is provided with a lower corona host 24 for driving the lower corona roller 21 to rotate, one side of the upper corona roller 22 is provided with a second corona press roller 25 matched with the upper corona roller 22 to drive the film to drive, and a gap for the film to pass through is arranged between the upper corona roller 22 and the second corona press roller 25. One side of the upper corona roller 22 is provided with an upper corona main machine 26 for driving the upper corona roller 22 to rotate.
The lower corona main machine 24 rotates to drive the lower corona roller 21 to rotate, and the lower corona roller 21 and the first corona press roller 23 cooperate to drive the film to drive in a direction approaching to the upper corona roller 22; the upper corona main machine 26 rotates to drive the upper corona roller 22 to rotate, and the upper corona roller 22 and the second corona press roller 25 cooperate to drive the film to drive.
On the basis of the above, a temperature program controller is provided in the mold temperature machine 41, and the temperature of the corona pretreatment roller 1 is adjusted by adjusting the heating input power.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the content of the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims (9)

1. Corona pretreatment system of biaxial stretching equipment, its characterized in that: comprises a corona pretreatment mechanism and a corona treatment mechanism (2) which are sequentially arranged according to the transmission direction of the film; the corona pretreatment mechanism comprises a corona pretreatment roller (1) and a temperature adjusting mechanism (4), wherein the temperature adjusting mechanism (4) is used for adjusting the temperature of the corona pretreatment roller (1).
2. The biaxially oriented apparatus corona pretreatment system of claim 1, wherein: the corona pretreatment mechanism further comprises a temperature sensor (3), and the temperature sensor (3) is used for detecting the temperature of the film.
3. The biaxially oriented apparatus corona pretreatment system of claim 2, wherein: the temperature sensor (3) is arranged on one side of the corona treatment mechanism (2) far away from the corona pretreatment roller (1).
4. The biaxially oriented apparatus corona pretreatment system of claim 2, wherein: the temperature sensor (3) is an infrared temperature sensor.
5. The biaxially oriented apparatus corona pretreatment system of claim 1, wherein: the temperature adjusting mechanism (4) comprises a mold temperature machine (41), and the mold temperature machine (41) is connected with the corona pretreatment roller (1) and is used for adjusting the temperature of the corona pretreatment roller (1).
6. The biaxially oriented apparatus corona pretreatment system of claim 5, wherein: the temperature adjusting mechanism (4) further comprises a pipeline (42) and a rotary joint (43), and the corona pretreatment roller (1) is connected with the mold temperature machine (41) through the pipeline (42) and the rotary joint (43).
7. The biaxially oriented apparatus corona pretreatment system of claim 5, wherein: the liquid medium in the mold temperature machine (41) flows into the corona pretreatment roller (1) through the pipeline (42) and the rotary joint (43), and flows back into the mold temperature machine (41) from the corona pretreatment roller (1) through the rotary joint (43) and the pipeline (42) after heat exchange.
8. The biaxially oriented apparatus corona pretreatment system of claim 1, wherein: the corona treatment mechanism (2) comprises a lower corona roller (21) and an upper corona roller (22), wherein a lower corona host machine (24) for driving the lower corona roller (21) to rotate is arranged on one side of the lower corona roller (21), and an upper corona host machine (26) for driving the upper corona roller (22) to rotate is arranged on one side of the upper corona roller (22).
9. The biaxially oriented apparatus corona pretreatment system of claim 8, wherein: one side of lower corona roller (21) is provided with first corona compression roller (23) that cooperation lower corona roller (21) drove film (100) transmission, one side of going up corona roller (22) is provided with second corona compression roller (25) that cooperation last corona roller (22) drove film (100) transmission.
CN202322472838.8U 2023-09-12 2023-09-12 Corona pretreatment system of biaxial stretching equipment Active CN220808506U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322472838.8U CN220808506U (en) 2023-09-12 2023-09-12 Corona pretreatment system of biaxial stretching equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322472838.8U CN220808506U (en) 2023-09-12 2023-09-12 Corona pretreatment system of biaxial stretching equipment

Publications (1)

Publication Number Publication Date
CN220808506U true CN220808506U (en) 2024-04-19

Family

ID=90710205

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322472838.8U Active CN220808506U (en) 2023-09-12 2023-09-12 Corona pretreatment system of biaxial stretching equipment

Country Status (1)

Country Link
CN (1) CN220808506U (en)

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