CN113416939B - Method for replacing winding roller in winding-to-winding process - Google Patents
Method for replacing winding roller in winding-to-winding process Download PDFInfo
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- CN113416939B CN113416939B CN202110728547.3A CN202110728547A CN113416939B CN 113416939 B CN113416939 B CN 113416939B CN 202110728547 A CN202110728547 A CN 202110728547A CN 113416939 B CN113416939 B CN 113416939B
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- 238000000034 method Methods 0.000 title claims abstract description 49
- 238000004804 winding Methods 0.000 title claims abstract description 37
- 238000002955 isolation Methods 0.000 claims abstract description 148
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 239000011229 interlayer Substances 0.000 claims abstract description 35
- 238000004891 communication Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 44
- 238000010438 heat treatment Methods 0.000 claims description 24
- 229920001169 thermoplastic Polymers 0.000 claims description 24
- 239000004416 thermosoftening plastic Substances 0.000 claims description 24
- 238000005520 cutting process Methods 0.000 claims description 13
- 239000011248 coating agent Substances 0.000 claims description 10
- 238000000576 coating method Methods 0.000 claims description 10
- 238000010924 continuous production Methods 0.000 claims description 10
- 238000001771 vacuum deposition Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 5
- 102100025490 Slit homolog 1 protein Human genes 0.000 claims description 3
- 101710123186 Slit homolog 1 protein Proteins 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 12
- 239000007789 gas Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000008358 core component Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000000306 component Substances 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
- 239000012528 membrane Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005086 pumping 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
Abstract
The invention discloses a roll replacement method for a roll-to-roll process, which mainly comprises the following steps: arranging an isolation cavity in a vacuum chamber of the roll-to-roll equipment, wherein an isolation cavity door and an isolation cavity wall form a closed space in the vacuum chamber; the roller is sleeved on a roller driving shaft at the inner side of the isolation cavity door; the isolation cavity is communicated with the vacuum chamber through a slit on the wall of the isolation cavity; interlayer cavities are arranged on the isolation cavity walls at the two sides of the slit, and sealing strips are arranged in the interlayer cavities; when the roller needs to be replaced, the sealing strip in the interlayer cavity extends out to seal and isolate the isolation cavity from the vacuum chamber; the isolation cavity door is separated from the isolation cavity through drawing; then, detaching and installing the winding roller is externally implemented; then, pushing the isolation cavity door provided with the new winding roller back to the isolation cavity; then the sealing strip is retracted to restore communication between the isolation cavity and the vacuum chamber; the roll replacement method can complete roll replacement under the condition that the vacuum chamber of the roll-to-roll equipment is not exposed to the atmosphere.
Description
Technical Field
The invention belongs to the technical field of new energy power battery preparation, and particularly relates to a roll replacement method for a roll-to-roll process.
Background
The roll-to-roll film production technology such as roll-to-roll vacuum coating and roll coating is widely applied to the industrialized 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 state of the art of the prior art, the flexible substrate coiled material is replaced by mostly opening a vacuum chamber of the equipment, replacing a roller in the atmospheric environment, penetrating a film again in a winding system, and then vacuumizing the vacuum chamber again to resume production. The method for replacing the winding roller can enable the process core area in the vacuum chamber to be exposed to the atmosphere for a long time, and has serious influence on the stability of the quality of equipment and flexible film-coated products. Particularly, for large-sized high-end flexible film products with severe requirements on the atmosphere of a vacuum chamber in the preparation process, after the winding roller is replaced, the recovery of the vacuum environment and the process atmosphere in the large-sized vacuum chamber can take a long time, so that the production efficiency is affected, and in addition, the quality consistency of the products can be affected by the damage and the recovery of the atmosphere in the vacuum chamber.
Disclosure of Invention
In order to solve the above problems, the present invention provides a roll replacement method for a roll-to-roll process, implemented by a roll replacement device, the roll replacement method mainly comprising: arranging an isolation cavity in a vacuum chamber of the roll-to-roll equipment, wherein an isolation cavity door and an isolation cavity wall of the isolation cavity form a closed space in the vacuum chamber; the roller used for loading the flexible film coiled material is sleeved on a roller driving shaft arranged at the inner side of the isolation cavity door; the isolation cavity is communicated with the vacuum chamber through a slit 1 on the wall of the isolation cavity, and the flexible film can pass between the isolation cavity and the vacuum chamber through the slit; the edges of the isolation cavity walls at the two sides of the slit are provided with interlayer cavities, sealing strips are arranged in the interlayer cavities, and the sealing strips can extend or retract in the interlayer cavities under the drive of the driving mechanism; the sealing strip has elasticity.
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 each other, so that the isolation cavity and the vacuum chamber are sealed and isolated, and then the isolation cavity is deflated through a inflating and deflating system arranged on the isolation cavity; after the deflation is finished, the isolation cavity door is separated from the isolation cavity through drawing; then, detaching and installing the winding roller is externally implemented; then, pushing the isolation cavity door provided with the new roller back to the isolation cavity, and sealing the isolation cavity from the outside; then controlling the sealing strip in the interlayer cavity 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 replacement method can complete roll replacement 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 a winding vacuum coating equipment or a winding coating equipment.
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 inflation and deflation system, so that the atmosphere environment in the isolation cavity and the atmosphere environment between the vacuum chamber are balanced.
A clamping connection module is arranged in the isolation cavity and comprises an upper chuck and a lower chuck, and a slit channel for a flexible film to pass through is arranged between the upper chuck and the lower chuck; a knife switch is arranged in the middle of the upper clamping head; 2 pairs of eccentric rollers are arranged on the upper clamping head and the lower clamping head 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 are respectively arranged on the upper chuck and the lower chuck, and the thermoplastic heating surfaces are positioned between 2 pairs of eccentric rollers.
When the flexible film coiled material is loaded on the roller, a cutting process for the flexible film is needed before the isolation cavity door is separated from the isolation cavity by drawing; the cutting process comprises the following steps: firstly, 2 pairs of eccentric rollers are controlled to rotate in opposite directions, two ends of the flexible film are clamped, and then the knife switch falls down to cut off the flexible film.
A film taking mechanism is also arranged in the isolation cavity; after the isolating cavity door provided with the new roller is pushed back to the isolating cavity and the isolating cavity is sealed with the outside, when the new roller is loaded with a new flexible film coiled material, a continuous process for the new flexible film is needed before the sealing strip in the control interlayer cavity is retracted to restore the communication between the isolating cavity and the vacuum chamber; the connection procedure comprises the following steps: firstly, controlling a film taking mechanism to clamp the end head of a new flexible film coiled material between an upper clamping head and a lower clamping head of a clamping connection module; and then controlling the 2 pairs of eccentric rollers to rotate in opposite directions, respectively clamping the ends of the new flexible film and the original flexible film by the 2 pairs of eccentric rollers, pulling the two ends between the thermoplastic heating surfaces to overlap, starting the heating of the thermoplastic heating surfaces, and performing thermoplastic welding on the overlapped ends to finish the continuous process.
The replacement of the roll refers to replacing the original roll carrying the flexible film coiled material with a new roll not carrying the flexible film coiled material, or replacing the original roll not carrying the flexible film coiled material with a new roll carrying the flexible film coiled material.
The roller driving shaft is driven to rotate by a motor arranged outside the isolation cavity door; a positioning shaft is arranged on the isolating cavity wall opposite to the isolating cavity door, and one end of the roller driving shaft, which is far away from the isolating cavity door, can be sleeved on the positioning shaft to realize supporting and positioning; when the roller driving shaft rotates under the driving of the motor, the positioning shaft can be driven to synchronously rotate.
The roller is connected with the roller driving shaft in a positioning way, and the roller driving shaft can drive the roller to synchronously rotate when being driven by the motor to rotate; the winding roller can be used as an unreeling roller or a reeling roller in a roll-to-roll device.
When the flexible film coiled material is loaded on the roller, a cutting process for the flexible film is needed before the isolation cavity door is separated from the isolation cavity by drawing; after the isolating cavity door provided with the new roller is pushed back to the isolating cavity and the isolating cavity is sealed with the outside, when the new roller is loaded with a new flexible film coiled material, a continuous process for the new flexible film is needed before the sealing strip in the control interlayer cavity is retracted to restore the communication between the isolating cavity and the vacuum chamber; in the process of changing the winding roller, the end of the original flexible film is always clamped by the eccentric roller from the cutting process to the completion of the continuous process so as to maintain the tension of the original flexible film part left in the vacuum chamber.
The roll replacement device adopted by the roll replacement method mainly comprises the following components: the device comprises an isolation cavity, a clamping connection module, an isolation cavity vacuum system and an inflation and deflation system; the isolation cavity door and the isolation cavity wall of the isolation cavity form a closed space in the vacuum chamber; 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 roller, and the roller can be loaded with flexible film coiled materials; 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 replacement device can realize roll replacement 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 a winding vacuum coating equipment or a 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 or retract in the interlayer cavity under the drive 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 each other, so that the slit is isolated to form a seal; the driving mode of the driving mechanism is one selected from hydraulic, pneumatic or electric.
The clamping connection module comprises an upper clamping head and a lower clamping head, and a slit channel for the flexible film to pass through is arranged between the upper clamping head and the lower clamping head; a knife switch is arranged in the middle of the upper clamping head; 2 pairs of eccentric rollers are arranged on the upper clamping head and the lower clamping head 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 are respectively arranged on the upper chuck and the lower chuck, and the thermoplastic heating surfaces are positioned between 2 pairs of eccentric rollers.
Before the isolating cavity door is separated from the isolating cavity, the isolating cavity is deflated by an inflation and deflation system, and before deflation, the sealing strip in the interlayer cavity is controlled to extend out, so that the isolating cavity and the vacuum chamber are sealed and isolated; after the isolating cavity door is pushed back to the isolating cavity and the isolating cavity is sealed with the outside, the sealing strip in the interlayer cavity is controlled to retract, so that the isolating cavity and the vacuum chamber are communicated.
Before the isolation cavity and the vacuum chamber are communicated, the isolation cavity is vacuumized through the isolation cavity vacuum system, and then nitrogen is filled into the isolation cavity through the inflation and deflation 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, the 2 pairs of eccentric rollers are controlled to rotate in opposite directions, two ends of the flexible film are clamped, and then the knife switch falls down to cut off the flexible film. The roll replacing device also comprises a film taking mechanism; when the flexible film needs to be connected, firstly controlling a film taking mechanism to clamp the end head of a new flexible film coiled material between an upper clamping head and a lower clamping head of a clamping connection module; and then controlling the 2 pairs of eccentric rollers to rotate in opposite directions, so that the 2 pairs of eccentric rollers clamp the ends of the new flexible film and the original flexible film respectively, the two ends are pulled between the thermoplastic heating surfaces and overlap, heating of the thermoplastic heating surfaces is started, thermoplastic welding is performed on the overlapped ends, and connection of the flexible films is completed.
A positioning shaft is also arranged on the isolating cavity wall opposite to the isolating cavity door, and one end of the roller driving shaft, which is far away from the isolating cavity door, can be sleeved on the positioning shaft to realize supporting and positioning; when the roller driving shaft rotates under the driving of the motor, the positioning shaft can be driven to synchronously rotate. The roller is connected with the roller driving shaft in a positioning way, and the roller driving shaft can drive the roller to synchronously rotate when being driven by the motor to rotate; the winding roller can be used as an unreeling roller or a reeling roller in a roll-to-roll device.
The cutting and connecting processes are automatically completed by the clamping connecting module in the winding roller replacing device, so that the situation that the film needs to be penetrated again in a winding system after the coiled material is replaced by the traditional winding equipment is avoided, a large amount of non-production time is saved, the efficiency of coiled material replacement is improved, and more importantly, the replacement of the unreeling roller and the reeling roller is completed under the condition that the vacuum chamber is not exposed to the atmosphere.
Roll-to-roll equipment such as coil vacuum coating equipment or coil coating equipment generally requires processing in a vacuum environment or in a gas-shielded environment based on a vacuum environment. Because the space of the vacuum chamber is huge, a great amount of time is required for pumping the vacuum degree in the vacuum chamber to reach the process requirement, and the stability of the working atmosphere in the vacuum chamber is kept to avoid the atmosphere environment from damaging the exposed atmosphere as much as possible in order to improve the production efficiency and reduce the production cost. In addition, if the core components of the coil-to-coil equipment such as a magnetic control target or an evaporation source in the coil vacuum coating equipment and a coating device in the coil coating equipment are exposed to the atmosphere frequently, the quality of the equipment and the flexible coating product can be seriously affected. According to the roll-to-roll equipment, the roll changing device is arranged, the high-efficiency changing of the unreeling roll and the reeling 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 changing the flexible film coiled material, the running stability and the service life of the equipment are improved, and the performance index and the quality stability of a flexible film product are improved. In addition, the setting of the roll replacement device only needs to carry out the evacuation again to the isolation cavity that the space is narrow and small when making to change flexible film coiled material can, greatly reduced because of the time period that the coiled material was changed spent, improved production efficiency, saved manufacturing cost.
The invention has the beneficial effects that:
(1) The roll replacement method can implement efficient replacement of the unreeling roll and the reeling roll under the condition that the vacuum chamber of the roll-to-roll equipment is not exposed to the atmosphere, avoids the working atmosphere of the vacuum chamber from being damaged and the core component of the roll-to-roll equipment from being exposed to the atmosphere frequently in the process of replacing the coiled material, is beneficial to improving the running stability and the service life of the equipment, and improves the performance index and the quality stability of flexible film products. In addition, when the flexible film coiled material is replaced, only the isolation cavity with a small space is required to be vacuumized again until the process requirement is met, so that the time period consumed by coiled material replacement is greatly reduced, the production efficiency is improved, and the production cost is saved.
(2) Cutting off and continuing the process when the module is automatic to accomplish the coiled material and changing through the centre gripping, need wear the membrane again in the winding system after having avoided traditional winding equipment to change the coiled material, saved a large amount of non-production time, improved the efficiency that the coiled material was changed, more importantly realized accomplishing the change of unreeling roller and wind-up roller under the condition that the vacuum chamber does not expose the atmosphere.
Drawings
Fig. 1 is a schematic view showing a radial sectional structure of a roll changing apparatus used in the roll changing method of the present invention.
Fig. 2 is a schematic axial sectional view of a roll changing apparatus used in the roll changing method of the present invention.
Fig. 3 is a schematic structural diagram of a clamping connection module in the present invention.
Detailed Description
Embodiments of the present invention are further described below with reference to the accompanying drawings. It should be understood that the detailed description is intended to illustrate and explain the invention, and not to limit the invention.
Fig. 1 and 2 are schematic views of a radial cross-sectional structure and an axial cross-sectional structure of a roll changing device used in the roll changing method of the present invention, respectively. As shown in the figure, the roller replacing device mainly comprises an isolation cavity 2, a clamping connection module 3, an isolation cavity vacuum system 11 and an inflation and deflation 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 cavity door 9, and the roller driving shaft 5 is driven to rotate by a motor 10 arranged on the outer side of the isolation cavity door 9; a detachable roller 6 is sleeved on the roller driving shaft 5, and flexible film coiled materials can be loaded on the roller 6; the isolation cavity door 9 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 replacement device can realize roll replacement 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 a winding vacuum coating equipment or a 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 edges of the isolation cavity walls 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 or retract in the interlayer cavity under the drive 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 each other, so that the slit is isolated to form a seal; the driving mode of the driving mechanism is one selected from hydraulic, pneumatic or electric.
Fig. 3 is a schematic structural diagram of a clamping connection module in the present invention. As shown in the figure, the clamping connection module comprises an upper clamping head 18 and a lower clamping head 19, and a slit channel for a flexible film to pass through is arranged between the upper clamping head 18 and the lower clamping head 19; a knife 17 is arranged in the middle of the upper clamping head 18; 2 pairs of eccentric rollers 15 are arranged on the upper clamping head 18 and the lower clamping head 19 in pairs, and the 2 pairs of eccentric rollers are respectively positioned on 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 18 and lower 19 jaws respectively, the thermoplastic heating surfaces being 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 extension of the sealing strip in the interlayer cavity is controlled, so that the isolation cavity 2 and the vacuum chamber 1 are sealed and isolated; after the isolating cavity door 9 is pushed back to the isolating cavity and the isolating cavity is sealed with the outside, the sealing strip in the interlayer cavity is controlled to retract, so that the isolating cavity 2 and the vacuum chamber 1 are communicated.
Before the isolation cavity 2 and the vacuum chamber 1 are communicated, the isolation cavity is vacuumized through the isolation cavity vacuum system 11, and then working gas is filled into the isolation cavity through the inflation and deflation system 12, 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, firstly, 2 pairs of eccentric rollers are controlled to rotate in opposite directions, two ends of the flexible film are clamped, and then the knife 17 is dropped to cut the flexible film. The roll changing device also comprises a film taking mechanism 13; when the flexible film needs to be connected, firstly controlling the film taking mechanism 13 to clamp the end head of a new flexible film coiled material between an upper clamping head and a lower clamping head of a clamping connection module; and then controlling the 2 pairs of eccentric rollers to rotate in opposite directions, so that the 2 pairs of eccentric rollers clamp the ends of the new flexible film and the original flexible film respectively, the two ends are pulled between the thermoplastic heating surfaces and overlap, heating of the thermoplastic heating surfaces is started, thermoplastic welding is performed on the overlapped ends, and connection of the flexible films is completed.
A positioning shaft 14 is also arranged on the isolating cavity wall opposite to the isolating cavity door, and one end of the roller driving shaft 5, which is far away from the isolating cavity door, can be sleeved on the positioning shaft 14 to realize supporting and positioning; the roller driving shaft 5 can drive the positioning shaft 14 to synchronously rotate when driven by the motor 10. The roller is connected with the roller driving shaft in a positioning way, and the roller driving shaft can drive the roller to synchronously rotate when being driven by the motor to rotate; the winding roller can be used as an unreeling roller or a reeling roller in a roll-to-roll device.
The roll replacement method for the roll-to-roll process is implemented by a roll replacement device, and an embodiment of the roll replacement method comprises the following steps:
arranging an isolation cavity in a vacuum chamber of the roll-to-roll equipment, wherein an isolation cavity door and an isolation cavity wall of the isolation cavity form a closed space in the vacuum chamber; the roller used for loading the flexible film coiled material is sleeved on a roller driving shaft arranged at the inner side of the isolation cavity door; the isolation cavity is communicated with the vacuum chamber through a slit 1 on the wall of the isolation cavity, and the flexible film can pass between the isolation cavity and the vacuum chamber through the slit; the edges of the isolation cavity walls at the two sides of the slit are provided with interlayer cavities, sealing strips are arranged in the interlayer cavities, and the sealing strips can extend or retract in the interlayer cavities under the drive of the driving mechanism; the sealing strip has elasticity.
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 each other, so that the isolation cavity and the vacuum chamber are sealed and isolated, and then the isolation cavity is deflated through a inflating and deflating system arranged on the isolation cavity; after the deflation is finished, the isolation cavity door is separated from the isolation cavity through drawing; then, detaching and installing the winding roller is externally implemented; then, pushing the isolation cavity door provided with the new roller back to the isolation cavity, and sealing the isolation cavity from the outside; then controlling the sealing strip in the interlayer cavity 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 replacement method can complete roll replacement 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 a winding vacuum coating equipment or a winding coating equipment.
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 inflation and deflation system, so that the atmosphere environment in the isolation cavity and the atmosphere environment between the vacuum chamber are balanced.
A clamping connection module is arranged in the isolation cavity and comprises an upper chuck and a lower chuck, and a slit channel for a flexible film to pass through is arranged between the upper chuck and the lower chuck; a knife switch is arranged in the middle of the upper clamping head; 2 pairs of eccentric rollers are arranged on the upper clamping head and the lower clamping head 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 are respectively arranged on the upper chuck and the lower chuck, and the thermoplastic heating surfaces are positioned between 2 pairs of eccentric rollers.
When the flexible film coiled material is loaded on the roller, a cutting process for the flexible film is needed before the isolation cavity door is separated from the isolation cavity by drawing; the cutting process comprises the following steps: firstly, 2 pairs of eccentric rollers are controlled to rotate in opposite directions, two ends of the flexible film are clamped, and then the knife switch falls down to cut off the flexible film.
A film taking mechanism is also arranged in the isolation cavity; after the isolating cavity door provided with the new roller is pushed back to the isolating cavity and the isolating cavity is sealed with the outside, when the new roller is loaded with a new flexible film coiled material, a continuous process for the new flexible film is needed before the sealing strip in the control interlayer cavity is retracted to restore the communication between the isolating cavity and the vacuum chamber; the connection procedure comprises the following steps: firstly, controlling a film taking mechanism to clamp the end head of a new flexible film coiled material between an upper clamping head and a lower clamping head of a clamping connection module; and then controlling the 2 pairs of eccentric rollers to rotate in opposite directions, respectively clamping the ends of the new flexible film and the original flexible film by the 2 pairs of eccentric rollers, pulling the two ends between the thermoplastic heating surfaces to overlap, starting the heating of the thermoplastic heating surfaces, and performing thermoplastic welding on the overlapped ends to finish the continuous process.
The replacement of the roll refers to replacing the original roll carrying the flexible film coiled material with a new roll not carrying the flexible film coiled material, or replacing the original roll not carrying the flexible film coiled material with a new roll carrying the flexible film coiled material.
When the flexible film coiled material is loaded on the roller, a cutting process for the flexible film is needed before the isolation cavity door is separated from the isolation cavity by drawing; after the isolating cavity door provided with the new roller is pushed back to the isolating cavity and the isolating cavity is sealed with the outside, when the new roller is loaded with a new flexible film coiled material, a continuous process for the new flexible film is needed before the sealing strip in the control interlayer cavity is retracted to restore the communication between the isolating cavity and the vacuum chamber; in the process of changing the winding roller, the end of the original flexible film is always clamped by the eccentric roller from the cutting process to the completion of the continuous process so as to maintain the tension of the original flexible film part left in the vacuum chamber.
Claims (4)
1. A roll replacement method for a roll-to-roll process mainly comprises the following steps: arranging an isolation cavity with a narrow space in a vacuum chamber of the roll-to-roll equipment, wherein an isolation cavity door and an isolation cavity wall of the isolation cavity form a closed space in the vacuum chamber; the roller used for loading the flexible film coiled material is sleeved on a roller driving shaft arranged at the inner side of the isolation cavity door; the isolation cavity is communicated with the vacuum chamber through a slit 1 on the wall of the isolation cavity, and the flexible film can pass between the isolation cavity and the vacuum chamber through the slit; the edges of the isolation cavity walls at the two sides of the slit are provided with interlayer cavities, sealing strips are arranged in the interlayer cavities, and the sealing strips can extend or retract in the interlayer cavities under the drive of the driving mechanism; the roller driving shaft is driven to rotate by a motor arranged outside the isolation cavity door; a positioning shaft is arranged on the isolating cavity wall opposite to the isolating cavity door, and one end of the roller driving shaft, which is far away from the isolating cavity door, can be sleeved on the positioning shaft to realize supporting and positioning; when the roller driving shaft rotates under the driving of the motor, the positioning shaft can be driven to synchronously rotate;
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 each other, so that the isolation cavity and the vacuum chamber are sealed and isolated, and then the isolation cavity is deflated through a inflating and deflating system arranged on the isolation cavity; after the deflation is finished, the isolation cavity door is separated from the isolation cavity through drawing; then, detaching and installing the winding roller is externally implemented; then, pushing the isolation cavity door provided with the new roller back to the isolation cavity, and sealing the isolation cavity from the outside; then controlling the sealing strip in the interlayer cavity 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 replacement method can complete roll replacement 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;
a clamping connection module is arranged in the isolation cavity and comprises an upper chuck and a lower chuck, and a slit channel for a flexible film to pass through is arranged between the upper chuck and the lower chuck; a knife switch is arranged in the middle of the upper clamping head; 2 pairs of eccentric rollers are arranged on the upper clamping head and the lower clamping head 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 are respectively arranged on the upper chuck and the lower chuck and positioned between 2 pairs of eccentric rollers;
when the flexible film coiled material is loaded on the roller, a cutting process for the flexible film is needed before the isolation cavity door is separated from the isolation cavity by drawing; the cutting process comprises the following steps: firstly, controlling 2 pairs of eccentric rollers to rotate in opposite directions, clamping two ends of a flexible film, and then enabling a knife switch to fall down to cut off the flexible film;
a film taking mechanism is also arranged in the isolation cavity; after the isolating cavity door provided with the new roller is pushed back to the isolating cavity and the isolating cavity is sealed with the outside, when the new roller is loaded with a new flexible film coiled material, a continuous process for the new flexible film is needed before the sealing strip in the control interlayer cavity is retracted to restore the communication between the isolating cavity and the vacuum chamber; the connection procedure comprises the following steps: firstly, controlling a film taking mechanism to clamp the end head of a new flexible film coiled material between an upper clamping head and a lower clamping head of a clamping connection module; then controlling 2 pairs of eccentric rollers to rotate in opposite directions, enabling the 2 pairs of eccentric rollers to clamp the ends of the new flexible film and the original flexible film respectively, pulling the two ends between the thermoplastic heating surfaces to overlap, starting heating of the thermoplastic heating surfaces, and performing thermoplastic welding on the overlapped ends to finish a connection procedure;
the cutting-off procedure and the connecting procedure are automatically completed by the clamping connecting module;
before the isolation cavity and the vacuum chamber are communicated, the isolation cavity with a narrow space is vacuumized through the isolation cavity vacuum system, and then working gas is filled into the isolation cavity through the inflation and deflation system, so that the atmosphere environment in the isolation cavity and the atmosphere environment between the vacuum chambers are balanced.
2. The roll replacement method for a roll-to-roll process of claim 1, wherein: the replacement of the roll refers to replacing the original roll carrying the flexible film coiled material with a new roll not carrying the flexible film coiled material, or replacing the original roll not carrying the flexible film coiled material with a new roll carrying the flexible film coiled material.
3. The roll replacement method for a roll-to-roll process of claim 1, wherein: the roller is connected with the roller driving shaft in a positioning way, and the roller driving shaft can drive the roller to synchronously rotate when being driven by the motor to rotate; the winding roller can be used as an unreeling roller or a reeling roller in a roll-to-roll device.
4. The roll replacement method for a roll-to-roll process of claim 1, wherein: in the process of changing the winding roller, the end of the original flexible film is always clamped by the eccentric roller from the cutting process to the completion of the continuous process so as to maintain the tension of the original flexible film part left in the vacuum chamber.
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| CN202110728547.3A CN113416939B (en) | 2021-06-29 | 2021-06-29 | Method for replacing winding roller in winding-to-winding process |
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| CN202110728547.3A CN113416939B (en) | 2021-06-29 | 2021-06-29 | Method for replacing winding roller in winding-to-winding process |
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| CN113416939B true CN113416939B (en) | 2023-06-02 |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104651792A (en) * | 2015-03-09 | 2015-05-27 | 常州工学院 | Single-sided continuous winding magnetron sputtering coating automatic production line for flexible substrate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH02148715A (en) * | 1988-11-29 | 1990-06-07 | Canon Inc | Apparatus for forming semiconductor device continuously |
| JPH0634369Y2 (en) * | 1990-01-12 | 1994-09-07 | 中外炉工業株式会社 | Vacuum sealing device for continuous vacuum film forming equipment |
| JPH06128746A (en) * | 1992-10-20 | 1994-05-10 | Ulvac Japan Ltd | Winding-type vacuum treating device |
| JP2003144900A (en) * | 2001-11-13 | 2003-05-20 | Sumitomo Heavy Ind Ltd | Continuous vacuum treatment apparatus |
| JP2015074810A (en) * | 2013-10-10 | 2015-04-20 | 日東電工株式会社 | Sputtering apparatus and method for exchanging film roll thereof |
| JP6755200B2 (en) * | 2017-01-30 | 2020-09-16 | 株式会社カネカ | Product roll manufacturing method and product roll manufacturing equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104651792A (en) * | 2015-03-09 | 2015-05-27 | 常州工学院 | Single-sided continuous winding magnetron sputtering coating automatic production line for flexible substrate |
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Effective date of registration: 20240410 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 |