CN113416941A - A device is changed to winding up roller for roll-to-roll equipment - Google Patents
A device is changed to winding up roller for roll-to-roll equipment Download PDFInfo
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- CN113416941A CN113416941A CN202110729835.0A CN202110729835A CN113416941A CN 113416941 A CN113416941 A CN 113416941A CN 202110729835 A CN202110729835 A CN 202110729835A CN 113416941 A CN113416941 A CN 113416941A
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- 238000004804 winding Methods 0.000 title claims abstract description 89
- 238000002955 isolation Methods 0.000 claims abstract description 171
- 239000000463 material Substances 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 28
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 238000000576 coating method Methods 0.000 claims abstract description 9
- 238000005520 cutting process Methods 0.000 claims abstract description 9
- 238000001771 vacuum deposition Methods 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 32
- 239000011229 interlayer Substances 0.000 claims description 27
- 238000010438 heat treatment Methods 0.000 claims description 18
- 229920001169 thermoplastic Polymers 0.000 claims description 18
- 239000004416 thermosoftening plastic Substances 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 12
- 238000002360 preparation method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000008358 core component Substances 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
- C23C14/562—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks for coating elongated substrates
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical Kinetics & Catalysis (AREA)
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- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Physical Vapour Deposition (AREA)
Abstract
The invention discloses a roll replacing device for roll-to-roll equipment, which mainly comprises an isolation cavity, a clamping connection module, an isolation cavity vacuum system and an inflation and deflation system, wherein the isolation cavity vacuum system comprises a clamping connection module and a clamping connection module; the isolation cavity is arranged in a vacuum chamber of the roll-to-roll equipment and comprises an isolation cavity wall and an isolation cavity door, and the isolation cavity door and the isolation cavity wall form a closed space in the vacuum chamber together; a roller driving shaft is arranged on the inner side of the isolation cavity door and is driven to rotate by a motor arranged on the outer side of the isolation cavity door; the roller driving shaft is sleeved with a detachable winding roller which can be loaded with a flexible film coiled material; the isolation cavity door can be separated from the isolation cavity through pulling and can also be pushed back to the isolation cavity to seal the isolation cavity from the outside; the roll replacing device can realize the replacement of the roll under the condition that the vacuum chamber of the roll-to-roll equipment is not exposed to the atmosphere; the roll-to-roll equipment is winding vacuum coating equipment or winding coating equipment. The clamping and connecting module can automatically complete the cutting and connecting processes of the flexible film when the winding roller is replaced.
Description
Technical Field
The invention belongs to the technical field of new energy power battery preparation, and particularly relates to a winding roller replacing device for a winding-to-winding device.
Background
Roll-to-roll film production technologies such as roll-to-roll vacuum coating and roll-to-roll coating are widely applied to industrial preparation of flexible film products in the technical fields of new energy power batteries, photoelectric film devices and the like due to the characteristics of low cost, high production efficiency and the like. Under the condition of the prior equipment technical level, the vacuum chamber of the equipment is mostly required to be opened for replacing the flexible substrate coiled material, the winding roller is replaced under the atmospheric environment, the film is penetrated in the winding system again, and then the vacuum chamber is vacuumized again and the production is recovered. The method for replacing the winding roller can expose the process core area in the vacuum chamber to the atmospheric environment for a long time, and brings serious influence on the stability of the quality of equipment and flexible coating products. Particularly, for large high-end flexible film products which have strict requirements on the atmosphere of the vacuum chamber in the preparation process, after the winding roller is replaced, the vacuum environment and the process atmosphere in the large vacuum chamber can take a long time to recover, so that the production efficiency is affected, and in addition, the damage and recovery of the environment atmosphere in the vacuum chamber can also affect the quality consistency of the products.
Disclosure of Invention
In order to solve the problems, the invention provides a roll replacing device for roll-to-roll equipment, which mainly comprises an isolation cavity, a clamping and connecting module, an isolation cavity vacuum system and an inflation and deflation system; the isolation cavity is arranged in a vacuum chamber of the roll-to-roll equipment and comprises an isolation cavity wall and an isolation cavity door, and the isolation cavity door and the isolation cavity wall form a closed space in the vacuum chamber together; a roller driving shaft is arranged on the inner side of the isolation cavity door and is driven to rotate by a motor arranged on the outer side of the isolation cavity door; the roller driving shaft is sleeved with a detachable winding roller which can be loaded with a flexible film coiled material; the isolation cavity door can be separated from the isolation cavity through pulling and can also be pushed back to the isolation cavity to seal the isolation cavity from the outside; the roll replacing device can realize the replacement of the roll under the condition that the vacuum chamber of the roll-to-roll equipment is not exposed to the atmosphere; the roll-to-roll equipment is winding vacuum coating equipment or winding coating equipment.
The isolation cavity wall is provided with 1 slit, the isolation cavity is communicated with the vacuum chamber through the slit, and the flexible film can pass between the isolation cavity and the vacuum chamber through the slit; interlayer cavities are arranged on the edges of the isolation cavity walls at the two sides of the slit, and sealing strips are arranged in the interlayer cavities; the sealing strip can extend out or retract in the interlayer cavity under the driving of the driving mechanism; the sealing strip has elasticity; the sealing strips extend out of the interlayer cavities at the two sides of the slit and deform when contacting with each other, so that the slit is isolated to form sealing; the driving mode of the driving mechanism is one selected from hydraulic pressure, pneumatic pressure or electric pressure.
The clamping and connecting module comprises an upper clamping head and a lower clamping head, and a slit passage through which the flexible film can pass is arranged between the upper clamping head and the lower clamping head; a knife switch is arranged in the middle of the upper chuck; 2 pairs of eccentric rollers are arranged on the upper chuck and the lower chuck in pairs, the 2 pairs of eccentric rollers are respectively positioned at two sides of the knife switch, and the surfaces of the eccentric rollers have elasticity; and thermoplastic heating surfaces are respectively arranged on the upper chuck and the lower chuck and are positioned between 2 pairs of eccentric rollers.
Before the isolation cavity door is separated from the isolation cavity, the isolation cavity is deflated through an inflation and deflation system, and before deflation, the sealing strips in the interlayer cavity are controlled to extend out, so that the isolation cavity and the vacuum chamber are sealed and isolated; and pushing the isolation cavity back to the isolation cavity at the isolation cavity door, and controlling the sealing strip in the interlayer cavity to retract after the isolation cavity is sealed from the outside so as to restore the communication between the isolation cavity and the vacuum chamber.
Before the isolation cavity and the vacuum chamber are communicated, the isolation cavity is vacuumized through the isolation cavity vacuum system, and then working gas is filled into the isolation cavity through the gas filling and discharging system, so that the atmosphere environment in the isolation cavity and the atmosphere environment between the vacuum chambers are balanced.
When the flexible film needs to be cut off, firstly, the pair of eccentric rollers are controlled to rotate oppositely 2, the two ends of the flexible film are clamped tightly, and then the knife switch falls down to cut off the flexible film.
The winding roller replacing device also comprises a film taking mechanism; when the flexible film needs to be jointed, firstly, the film taking mechanism is controlled to clamp the end head of a new flexible film coiled material between an upper chuck and a lower chuck of the clamping jointing module; and then controlling the 2 pairs of eccentric rollers to rotate oppositely, so that the 2 pairs of eccentric rollers respectively clamp the end heads of the new flexible film and the original flexible film, drawing the two end heads between the thermoplastic heating surfaces to generate overlapping, starting heating of the thermoplastic heating surfaces, and performing thermoplastic welding on the overlapped end heads to complete the connection of the flexible films.
The replacement of the winding roller means to replace the original winding roller on which the flexible film web is loaded with a new winding roller on which the flexible film web is not loaded, or to replace the original winding roller on which the flexible film web is not loaded with a new winding roller on which the flexible film web is loaded.
A positioning shaft is also arranged on the isolation cavity wall opposite to the isolation cavity door, and one end of the roller driving shaft, which is far away from the isolation cavity door, can be sleeved on the positioning shaft to realize supporting and positioning; when the roller driving shaft is driven by the motor to rotate, the positioning shaft can be driven to synchronously rotate. The winding roller is connected with the roller driving shaft in a positioning way, and the roller driving shaft can drive the winding roller to synchronously rotate when being driven by the motor to rotate; the winding roller can be used as an unwinding roller or a winding roller in a roll-to-roll apparatus.
When the winding roller is loaded with the flexible film coiled material, the flexible film is required to be cut before the isolation cavity door is separated from the isolation cavity through drawing; after the isolation cavity door provided with the new winding roller is pushed back to the isolation cavity and the isolation cavity is sealed from the outside, when a new flexible film coiled material is loaded on the new winding roller, the flexible film needs to be continued before the sealing strip in the interlayer cavity is controlled to retract so that the isolation cavity and the vacuum chamber are communicated; in the process of replacing the winding roller, the end of the original flexible film is always clamped by the eccentric roller in the process from the cutting of the flexible film to the completion of the connection of the new flexible film and the original flexible film, so that the tension of the original flexible film part remained in the vacuum chamber is maintained.
The working process of the winding roller replacing device mainly comprises the following steps:
when the roller needs to be replaced, the sealing strips in the interlayer cavity are controlled to extend out, the sealing strips deform when contacting with each other, so that the isolation cavity and the vacuum chamber are sealed and isolated, and then the isolation cavity is deflated through an inflation and deflation system arranged on the isolation cavity; after the air release is finished, the isolation cavity door is separated from the isolation cavity by drawing; then the dismounting and mounting of the winding roller are carried out on the outside; then, pushing the isolation cavity door provided with the new winding roller back to the isolation cavity to seal the isolation cavity from the outside; then the sealing strip in the interlayer cavity is controlled to retract, so that the isolation cavity and the vacuum chamber are communicated again, and the replacement of the winding roller is completed; the roll replacing method can complete the replacement of the roll without exposing the vacuum chamber of the roll-to-roll device to the atmosphere.
Before the isolation cavity and the vacuum chamber are communicated, the isolation cavity is vacuumized through the isolation cavity vacuum system, and then working gas is filled into the isolation cavity through the gas filling and discharging system, so that the atmosphere environment in the isolation cavity and the atmosphere environment between the vacuum chambers are balanced.
When the winding roller is loaded with the flexible film coiled material, a cutting procedure of the flexible film is required to be included before the isolation cavity door is separated from the isolation cavity through drawing; the cutting step includes: firstly, controlling 2 pairs of eccentric rollers to rotate oppositely to clamp two ends of the flexible film, and then enabling a knife switch to fall to cut off the flexible film.
After the isolation cavity door provided with the new winding roller is pushed back to the isolation cavity and the isolation cavity is sealed from the outside, when a new flexible film coiled material is loaded on the new winding roller, a continuing process of a new flexible film is needed before the sealing strip in the interlayer cavity is controlled to retract so that the isolation cavity and the vacuum chamber are communicated again; the following process comprises: firstly, controlling a film taking mechanism to clamp the end head of a new flexible film coiled material between an upper chuck and a lower chuck of a clamping and continuing module; then controlling 2 pairs of eccentric rollers to rotate oppositely, so that the 2 pairs of eccentric rollers respectively clamp the end heads of the new flexible film and the original flexible film, drawing the two end heads between the thermoplastic heating surfaces to generate overlapping, starting heating of the thermoplastic heating surfaces, and performing thermoplastic welding on the overlapped end heads to finish the continuous working procedure.
The cutting and continuing processes are automatically completed by a clamping and continuing module in the winding roll replacing device, the phenomenon that a traditional winding device needs to penetrate a film again in a winding system after a coiled material is replaced is avoided, a large amount of non-production time is saved, the efficiency of replacing the coiled material is improved, and more importantly, the replacement of an unwinding roll and a winding roll is completed under the condition that a vacuum chamber is not exposed to the atmosphere.
Roll-to-roll equipment such as winding vacuum coating equipment or winding coating equipment generally needs to perform a process under a vacuum environment or under a gas protection environment based on the vacuum environment. Because the space of the vacuum chamber is huge, a large amount of time is needed for pumping the vacuum degree in the vacuum chamber to meet the process requirement, and in order to improve the production efficiency and reduce the production cost, the stability of the working atmosphere in the vacuum chamber should be kept, and the atmosphere environment is prevented from damaging and exposing the atmosphere as much as possible. In addition, if core components of roll-to-roll equipment, such as a magnetron target or an evaporation source in the roll-to-roll vacuum coating equipment and a coating device in the roll-to-roll coating equipment, are exposed to the atmosphere frequently, the quality of the equipment and flexible coated products can be seriously affected. The roll-to-roll equipment is provided with the roll replacing device, so that the high-efficiency replacement of the unwinding roll and the winding roll can be implemented under the condition that the vacuum chamber of the roll-to-roll equipment is not exposed to the atmosphere, the external air is prevented from entering the vacuum chamber in the process of replacing the flexible film coiled material, the running stability and the service life of the equipment are favorably improved, and the performance index and the quality stability of the flexible film are improved. In addition, the arrangement of the winding roller replacing device ensures that only the isolation cavity with narrow space needs to be vacuumized again when the flexible film coiled material is replaced, thereby greatly reducing the time period consumed by replacing the coiled material, improving the production efficiency and saving the production cost.
The invention has the beneficial effects that:
(1) the roll replacing device can implement the efficient replacement of the unwinding roll and the winding roll under the condition that the vacuum chamber of the roll-to-roll equipment is not exposed to the atmosphere, avoids the damage to the working atmosphere of the vacuum chamber and the frequent exposure of the core components of the roll-to-roll equipment to the atmosphere in the process of replacing the coiled material, is beneficial to improving the running stability and service life of the equipment, and improves the performance index and quality stability of the flexible film product. In addition, when the flexible film coiled material is replaced, only the isolation cavity with narrow space needs to be vacuumized again until the process requirement is met, so that the time period consumed by the replacement of the coiled material is greatly shortened, the production efficiency is improved, and the production cost is saved.
(2) The cutting-off and the continuous process are automatically completed through the clamping continuous module, the film needs to be penetrated in a winding system again after the coiled material is replaced by the traditional winding equipment, a large amount of non-production time is saved, the efficiency of replacing the coiled material is improved, and more importantly, the replacement of the unwinding roller and the winding roller is completed under the condition that a vacuum chamber is not exposed to the atmosphere.
Drawings
Fig. 1 is a schematic view of a radial cross-section of a roll changer for a roll-to-roll apparatus according to the present invention.
Fig. 2 is a schematic axial sectional structure diagram of the roll changing device for the roll-to-roll apparatus of the present invention.
Fig. 3 is a schematic structural view of the clamping connection module of the present invention.
Detailed Description
The following further describes the embodiments of the present invention with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are intended for purposes of illustration and explanation only and are not intended to limit the scope of the invention.
Fig. 1 and 2 are a schematic radial sectional structure and a schematic axial sectional structure of a roll changing device for a roll-to-roll apparatus according to the present invention, respectively. As shown in the figure, the roll replacing device for the roll-to-roll equipment mainly comprises an isolation cavity 2, a clamping and connecting module 3, an isolation cavity vacuum system 11 and an air charging and discharging system 12; the isolation cavity is arranged in the vacuum chamber 1 of the roll-to-roll equipment and comprises an isolation cavity wall 4 and an isolation cavity door 9, and the isolation cavity door 9 and the isolation cavity wall 4 form a closed space in the vacuum chamber 1; a roller driving shaft 5 is arranged on the inner side of the isolation chamber door 9, and the roller driving shaft 5 is driven to rotate by a motor 10 arranged on the outer side of the isolation chamber door 9; a detachable winding roller 6 is sleeved on the roller driving shaft 5, and a flexible film coiled material can be loaded on the winding roller 6; the isolation cavity door 9 can be separated from the isolation cavity by drawing and can also be pushed back to the isolation cavity to seal the isolation cavity from the outside; the roll replacing device can realize the replacement of the roll under the condition that the vacuum chamber 1 of the roll-to-roll equipment is not exposed to the atmosphere; the roll-to-roll equipment is winding vacuum coating equipment or winding coating equipment.
The isolation cavity wall 4 is provided with 1 slit, the isolation cavity 2 is communicated with the vacuum chamber 1 through the slit, and the flexible film can pass between the isolation cavity 2 and the vacuum chamber 1 through the slit; an interlayer cavity 7 is arranged on the edge of the isolation cavity wall 4 at the two sides of the slit, and a sealing strip 8 is arranged in the interlayer cavity 7; the sealing strip can extend out or retract in the interlayer cavity under the driving of the driving mechanism; the sealing strip has elasticity; the sealing strips extend out of the interlayer cavities at the two sides of the slit and deform when contacting with each other, so that the slit is isolated to form sealing; the driving mode of the driving mechanism is one selected from hydraulic pressure, pneumatic pressure or electric pressure.
Fig. 3 is a schematic structural view of the clamping connection module of the present invention. As shown in the figure, the clamping and connecting module comprises an upper clamping head 18 and a lower clamping head 19, and a slit passage for the flexible film to pass through is arranged between the upper clamping head 18 and the lower clamping head 19; a knife switch 17 is arranged in the middle of the upper chuck 18; 2 pairs of eccentric rollers 15 are arranged on the upper chuck 18 and the lower chuck 19 in pairs, the 2 pairs of eccentric rollers are respectively positioned at two sides of the knife switch, and the surfaces of the eccentric rollers have elasticity; thermoplastic heating surfaces 16 are also provided on the upper jaw 18 and the lower jaw 19, respectively, and are located between 2 pairs of eccentric rollers.
Before the isolation cavity door is separated from the isolation cavity, the isolation cavity 2 is deflated through the inflation and deflation system 12, and before deflation, the sealing strips in the interlayer cavity are controlled to extend out, so that sealing isolation is formed between the isolation cavity 2 and the vacuum chamber 1; and the isolation cavity door 9 is pushed back to the isolation cavity, and after the isolation cavity is sealed with the outside, the sealing strips in the interlayer cavity are controlled to retract, so that the isolation cavity 2 and the vacuum chamber 1 are communicated.
Before the isolated cavity 2 and the vacuum chamber 1 are communicated, the isolated cavity is vacuumized by an isolated cavity vacuum system 11, and then working gas is filled into the isolated cavity by an inflation and deflation system 12, so that the atmosphere environment in the isolated cavity and the atmosphere environment between the vacuum chambers are balanced.
When the flexible film needs to be cut, firstly, the pair of eccentric rollers 2 are controlled to rotate oppositely to clamp the two ends of the flexible film, and then the knife switch 17 falls to cut the flexible film.
The roller replacing device also comprises a film taking mechanism 13; when the flexible film needs to be jointed, firstly, the film taking mechanism 13 is controlled to clamp the end head of a new flexible film coiled material between an upper chuck and a lower chuck of the clamping jointing module; and then controlling the 2 pairs of eccentric rollers to rotate oppositely, so that the 2 pairs of eccentric rollers respectively clamp the end heads of the new flexible film and the original flexible film, drawing the two end heads between the thermoplastic heating surfaces to generate overlapping, starting heating of the thermoplastic heating surfaces, and performing thermoplastic welding on the overlapped end heads to complete the connection of the flexible films.
The replacement of the winding roller means to replace the original winding roller on which the flexible film web is loaded with a new winding roller on which the flexible film web is not loaded, or to replace the original winding roller on which the flexible film web is not loaded with a new winding roller on which the flexible film web is loaded.
A positioning shaft 14 is also arranged on the isolation cavity wall opposite to the isolation cavity door, and one end of the roller driving shaft 5, which is far away from the isolation cavity door, can be sleeved on the positioning shaft 14 to realize supporting and positioning; when the roller driving shaft 5 is driven by the motor 10 to rotate, the positioning shaft 14 can be driven to rotate synchronously. The winding roller is connected with the roller driving shaft in a positioning way, and the roller driving shaft can drive the winding roller to synchronously rotate when being driven by the motor to rotate; the winding roller can be used as an unwinding roller or a winding roller in a roll-to-roll apparatus.
When the winding roller is loaded with the flexible film coiled material, the flexible film is required to be cut before the isolation cavity door is separated from the isolation cavity through drawing; after the isolation cavity door provided with the new winding roller is pushed back to the isolation cavity and the isolation cavity is sealed from the outside, when a new flexible film coiled material is loaded on the new winding roller, the flexible film needs to be continued before the sealing strip in the interlayer cavity is controlled to retract so that the isolation cavity and the vacuum chamber are communicated; in the process of replacing the winding roller, the end of the original flexible film is always clamped by the eccentric roller in the process from the cutting of the flexible film to the completion of the connection of the new flexible film and the original flexible film, so that the tension of the original flexible film part remained in the vacuum chamber is maintained.
The working process of the winding roller replacing device mainly comprises the following steps:
when the roller needs to be replaced, the sealing strips in the interlayer cavity are controlled to extend out, the sealing strips deform when contacting with each other, so that the isolation cavity and the vacuum chamber are sealed and isolated, and then the isolation cavity is deflated through an inflation and deflation system arranged on the isolation cavity; after the air release is finished, the isolation cavity door is separated from the isolation cavity by drawing; then the dismounting and mounting of the winding roller are carried out on the outside; then, pushing the isolation cavity door provided with the new winding roller back to the isolation cavity to seal the isolation cavity from the outside; then the sealing strip in the interlayer cavity is controlled to retract, so that the isolation cavity and the vacuum chamber are communicated again, and the replacement of the winding roller is completed; the roll replacing method can complete the replacement of the roll without exposing the vacuum chamber of the roll-to-roll device to the atmosphere.
Before the isolation cavity and the vacuum chamber are communicated, the isolation cavity is vacuumized through the isolation cavity vacuum system, and then working gas is filled into the isolation cavity through the gas filling and discharging system, so that the atmosphere environment in the isolation cavity and the atmosphere environment between the vacuum chambers are balanced.
When the winding roller is loaded with the flexible film coiled material, a cutting procedure of the flexible film is required to be included before the isolation cavity door is separated from the isolation cavity through drawing; the cutting step includes: firstly, controlling 2 pairs of eccentric rollers to rotate oppositely to clamp two ends of the flexible film, and then enabling a knife switch to fall to cut off the flexible film.
After the isolation cavity door provided with the new winding roller is pushed back to the isolation cavity and the isolation cavity is sealed from the outside, when a new flexible film coiled material is loaded on the new winding roller, a continuing process of a new flexible film is needed before the sealing strip in the interlayer cavity is controlled to retract so that the isolation cavity and the vacuum chamber are communicated again; the following process comprises: firstly, controlling a film taking mechanism to clamp the end head of a new flexible film coiled material between an upper chuck and a lower chuck of a clamping and continuing module; then controlling 2 pairs of eccentric rollers to rotate oppositely, so that the 2 pairs of eccentric rollers respectively clamp the end heads of the new flexible film and the original flexible film, drawing the two end heads between the thermoplastic heating surfaces to generate overlapping, starting heating of the thermoplastic heating surfaces, and performing thermoplastic welding on the overlapped end heads to finish the continuous working procedure.
Claims (10)
1. A roll replacing device for roll-to-roll equipment mainly comprises an isolation cavity, a clamping connection module, an isolation cavity vacuum system and an inflation and deflation system; the isolation cavity is arranged in a vacuum chamber of the roll-to-roll equipment and comprises an isolation cavity wall and an isolation cavity door, and the isolation cavity door and the isolation cavity wall form a closed space in the vacuum chamber together; a roller driving shaft is arranged on the inner side of the isolation cavity door and is driven to rotate by a motor arranged on the outer side of the isolation cavity door; the roller driving shaft is sleeved with a detachable winding roller which can be loaded with a flexible film coiled material; the isolation cavity door can be separated from the isolation cavity through pulling and can also be pushed back to the isolation cavity to seal the isolation cavity from the outside; the roll replacing device can realize the replacement of the roll under the condition that the vacuum chamber of the roll-to-roll equipment is not exposed to the atmosphere; the roll-to-roll equipment is winding vacuum coating equipment or winding coating equipment.
2. The roll changing device for a roll-to-roll apparatus according to claim 1, characterized in that: the isolation cavity wall is provided with 1 slit, the isolation cavity is communicated with the vacuum chamber through the slit, and the flexible film can pass between the isolation cavity and the vacuum chamber through the slit; interlayer cavities are arranged on the edges of the isolation cavity walls at the two sides of the slit, and sealing strips are arranged in the interlayer cavities; the sealing strip can extend out or retract in the interlayer cavity under the driving of the driving mechanism; the sealing strips extend out of the interlayer cavities at the two sides of the slit and deform when contacting with each other, so that the slit is isolated to form sealing; the driving mode of the driving mechanism is one selected from hydraulic pressure, pneumatic pressure or electric pressure.
3. The roll changing device for a roll-to-roll apparatus according to claim 2, characterized in that: the clamping and connecting module comprises an upper clamping head and a lower clamping head, and a slit passage through which the flexible film can pass is arranged between the upper clamping head and the lower clamping head; a knife switch is arranged in the middle of the upper chuck; 2 pairs of eccentric rollers are arranged on the upper chuck and the lower chuck in pairs, the 2 pairs of eccentric rollers are respectively positioned at two sides of the knife switch, and the surfaces of the eccentric rollers have elasticity; and thermoplastic heating surfaces are respectively arranged on the upper chuck and the lower chuck and are positioned between 2 pairs of eccentric rollers.
4. The roll changing device for a roll-to-roll apparatus according to claim 2, characterized in that: before the isolation cavity door is separated from the isolation cavity, the isolation cavity is deflated through an inflation and deflation system, and before deflation, the sealing strips in the interlayer cavity are controlled to extend out, so that the isolation cavity and the vacuum chamber are sealed and isolated; and pushing the isolation cavity back to the isolation cavity at the isolation cavity door, and controlling the sealing strip in the interlayer cavity to retract after the isolation cavity is sealed from the outside so as to restore the communication between the isolation cavity and the vacuum chamber.
5. The roll changing device for a roll-to-roll apparatus according to claim 4, characterized in that: before the isolation cavity and the vacuum chamber are communicated, the isolation cavity is vacuumized through the isolation cavity vacuum system, and then working gas is filled into the isolation cavity through the gas filling and discharging system, so that the atmosphere environment in the isolation cavity and the atmosphere environment between the vacuum chambers are balanced.
6. The roll changing device for a roll-to-roll apparatus according to claim 3, characterized in that: when the flexible film needs to be cut off, firstly, the pair of eccentric rollers are controlled to rotate oppositely 2, the two ends of the flexible film are clamped tightly, and then the knife switch falls down to cut off the flexible film.
7. The roll changing device for a roll-to-roll apparatus according to claim 3, characterized in that: the winding roller replacing device also comprises a film taking mechanism; when the flexible film needs to be jointed, firstly, the film taking mechanism is controlled to clamp the end head of a new flexible film coiled material between an upper chuck and a lower chuck of the clamping jointing module; and then controlling the 2 pairs of eccentric rollers to rotate oppositely, so that the 2 pairs of eccentric rollers respectively clamp the end heads of the new flexible film and the original flexible film, drawing the two end heads between the thermoplastic heating surfaces to generate overlapping, starting heating of the thermoplastic heating surfaces, and performing thermoplastic welding on the overlapped end heads to complete the connection of the flexible films.
8. The roll changing device for a roll-to-roll apparatus according to claim 1, characterized in that: the replacement of the winding roller means to replace the original winding roller on which the flexible film web is loaded with a new winding roller on which the flexible film web is not loaded, or to replace the original winding roller on which the flexible film web is not loaded with a new winding roller on which the flexible film web is loaded.
9. The roll changing device for a roll-to-roll apparatus according to claim 1, characterized in that: a positioning shaft is also arranged on the isolation cavity wall opposite to the isolation cavity door, and one end of the roller driving shaft, which is far away from the isolation cavity door, can be sleeved on the positioning shaft to realize supporting and positioning; when the roller driving shaft is driven by the motor to rotate, the positioning shaft can be driven to synchronously rotate; the winding roller is connected with the roller driving shaft in a positioning way, and the roller driving shaft can drive the winding roller to synchronously rotate when being driven by the motor to rotate; the winding roller can be used as an unwinding roller or a winding roller in a roll-to-roll apparatus.
10. The roll changing device for a roll-to-roll apparatus according to claim 3, characterized in that: when the winding roller is loaded with the flexible film coiled material, the flexible film is required to be cut before the isolation cavity door is separated from the isolation cavity through drawing; after the isolation cavity door provided with the new winding roller is pushed back to the isolation cavity and the isolation cavity is sealed from the outside, when a new flexible film coiled material is loaded on the new winding roller, the flexible film needs to be continued before the sealing strip in the interlayer cavity is controlled to retract so that the isolation cavity and the vacuum chamber are communicated; in the process of replacing the winding roller, the end of the original flexible film is always clamped by the eccentric roller in the process from the cutting of the flexible film to the completion of the connection of the new flexible film and the original flexible film, so that the tension of the original flexible film part remained in the vacuum chamber is maintained.
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| CN202110729835.0A CN113416941B (en) | 2021-06-29 | 2021-06-29 | A roll replacement device for rolling up to equipment |
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| CN202110729835.0A CN113416941B (en) | 2021-06-29 | 2021-06-29 | A roll replacement device for rolling up to equipment |
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| CN113416941B CN113416941B (en) | 2023-06-02 |
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|---|---|
| CN113416941B (en) | 2023-06-02 |
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Effective date of registration: 20240425 Address after: No. C5-1, 158 Puhe Road, Shenbei New District, Shenyang City, Liaoning Province, 110000 Patentee after: Bosuye Technology (Shenyang) Co.,Ltd. Country or region after: China Address before: 110179 no.6-5, Qixia street, Hunnan District, Shenyang City, Liaoning Province (1-12-2) Patentee before: Liaoning molecular flow technology Co.,Ltd. Country or region before: China |