WO2023239067A1 - 오프셋 조정 장치 및 이를 포함하는 코팅 장치 - Google Patents
오프셋 조정 장치 및 이를 포함하는 코팅 장치 Download PDFInfo
- Publication number
- WO2023239067A1 WO2023239067A1 PCT/KR2023/006443 KR2023006443W WO2023239067A1 WO 2023239067 A1 WO2023239067 A1 WO 2023239067A1 KR 2023006443 W KR2023006443 W KR 2023006443W WO 2023239067 A1 WO2023239067 A1 WO 2023239067A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- offset adjustment
- spacer
- offset
- slot die
- coating agent
- Prior art date
Links
- 239000011248 coating agent Substances 0.000 title claims abstract description 129
- 238000000576 coating method Methods 0.000 title claims abstract description 42
- 125000006850 spacer group Chemical group 0.000 claims abstract description 134
- 239000000758 substrate Substances 0.000 claims abstract description 20
- 238000005259 measurement Methods 0.000 claims abstract description 18
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 238000007373 indentation Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 10
- 239000007772 electrode material Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 239000010410 layer Substances 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000002730 additional effect Effects 0.000 description 1
- 239000006255 coating slurry Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920005596 polymer binder Polymers 0.000 description 1
- 239000002491 polymer binding agent Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1044—Apparatus or installations for supplying liquid or other fluent material to several applying apparatus or several dispensing outlets, e.g. to several extrusion nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0254—Coating heads with slot-shaped outlet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0254—Coating heads with slot-shaped outlet
- B05C5/0262—Coating heads with slot-shaped outlet adjustable in width, i.e. having lips movable relative to each other in order to modify the slot width, e.g. to close it
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
Definitions
- the present invention relates to an offset adjustment device and a coating device including the same.
- the present invention relates to an offset adjustment device configured to stably adjust the offset between components of a coating agent application device that discharges a coating agent, and a coating device including the same. It's about.
- This electrode assembly can be formed into a predetermined shape by first applying an electrode active material slurry to the positive electrode current collector and the negative electrode current collector to manufacture the positive electrode and the negative electrode, and then laminating them on both sides of the separator. Additionally, the above-mentioned secondary battery can be formed by storing the electrode assembly in a battery case, injecting electrolyte, and then sealing it.
- this electrode active material slurry In order to make the charging and discharging characteristics of the secondary battery uniform, this electrode active material slurry must be evenly coated on the positive electrode current collector or negative electrode current collector.
- a coating device consisting of a slot die through which a coating agent such as an electrode active material slurry is discharged and a coating roll capable of driving a substrate such as a positive electrode current collector or a negative electrode current collector is used to coat the positive electrode current collector or the negative electrode current collector. It is being coated.
- the coating device applies a coating agent to one or both sides of a substrate while rotating a coating roll, and then dries the substrate to which the coating agent has been applied.
- the slot die may be provided with a spacer, and this spacer may adjust the width at which the coating agent is discharged from the slot die.
- a conventional coating device is configured to adjust the offset by pulling the spacer to the opposite side of the die lip using a block.
- it is difficult to quantitatively measure the offset, and if the operator's skill level is low, there is a problem in that the spacer is not accurately aligned.
- the present invention was devised to solve the above-mentioned problems, and the problem to be solved by the present invention is to provide an offset adjustment device capable of stably adjusting the offset between components of a coating agent application device that discharges a coating agent, and a coating device including the same. It is provided.
- An offset adjustment device configured to align a spacer provided in a slot die of a coating agent application device configured to apply a coating agent to a substrate, wherein the die of the slot die An offset measurement module configured to measure an offset between a lip and the spacer and an offset adjustment module coupled to the spacer and configured to align the spacer according to the measured offset.
- the offset adjustment device may be configured to be coupled to one side of the slot die located on the opposite side of the die lip in the discharge direction of the coating agent.
- the offset measurement module includes a support bracket provided on the slot die and an indicator supported by the support bracket and configured to measure the offset by contacting the slot die and the spacer.
- the offset adjustment module is supported by a support provided on the slot die and the support, and and a moving stage configured to align the spacer according to movement in the discharge direction of the coating agent.
- the offset adjustment module is provided in the moving stage unit and further includes an offset adjustment guide unit coupled to the spacer and an adjusting unit configured to control the driving of the moving stage unit in the discharge direction of the coating agent. do.
- the spacer may include a hole in a portion formed to protrude outward from the slot die, and the offset adjustment guide may be configured to be coupled to the hole of the spacer.
- the moving stage unit includes a first block coupled to the support portion, a second block coupled to an upper portion of the first block and configured to move in the discharge direction of the coating agent as the control portion is driven, and It may include a connecting portion coupled to the adjusting portion and configured to connect the second block and the adjusting portion, and the offset adjusting guide portion may be provided on an upper portion of the second block.
- the second block is formed at the bottom to protrude inward in the horizontal direction and includes an insertion portion configured to be inserted into the upper end of the first block, and the first block is recessed inward in the horizontal direction at the upper end. is formed, and includes a recessed portion configured to receive the insertion portion, and the recessed portion may be configured to guide movement of the second block in the discharge direction of the coating agent according to the driving of the adjusting portion.
- the offset adjustment module includes a protruding member formed to protrude from a side of the second block and a guide hole configured to guide the movement of the protruding member in the discharge direction of the coating agent, and the first block It further includes a movement limiter fixed to, and the protruding member may be configured to restrict movement in the discharge direction of the coating agent by contacting one end or the other end of the guide hole.
- the offset adjustment device may further include a fixing member configured to fix the offset adjustment device to one side of the slot die.
- a plurality of offset adjustment devices may be provided in the longitudinal direction of the slot die.
- the plurality of offset adjustment devices may be provided on both sides of the center of the slot die along the longitudinal direction of the slot die.
- the plurality of offset adjustment devices may be provided symmetrically in the longitudinal direction of the slot die with respect to the center in the longitudinal direction of the slot die.
- the spacing between the plurality of offset adjustment devices may be configured to be mutually adjustable.
- a coating device for solving the above problems includes an offset adjustment device as described above and a coating agent application device configured to apply a coating agent to a substrate.
- the offset between the die lip of the slot die and the spacer can be quantitatively measured. Additionally, the offset can be measured in real time.
- the spacer can be aligned through an offset adjustment module coupled to the spacer according to the measured offset, there is an advantage in that finer alignment of the spacer is possible. Accordingly, the left-right alignment deviation of the spacer can be minimized, and the left-right discharge width of the coating agent from the slot die can be minimized. Therefore, when coating a substrate in multiple lanes by unifying the left and right offsets, the pattern width of each lane can be made uniform.
- the offset adjustment module and the spacer can be stably connected, more accurate alignment of the spacer in the discharge direction of the coating agent may be possible.
- the spacer is connected to the offset adjustment module, after aligning the spacer, even when rejoining the first die and the second die that may be included in the slot die, the aligned state of the spacer can be minimized. .
- the offset can be easily adjusted by manipulating it, so the problem of coating width difference due to poor coating interface can be more easily solved.
- FIG. 1 is a diagram showing the overall shape of a coating device according to an embodiment of the present invention.
- Figure 2 is a view showing the coating device of Figure 1 from the front.
- Figure 3 is a view showing the coating device of Figure 1 from above.
- FIG. 4 is a view showing a portion of the coating device of FIG. 1 from above.
- Figure 5 is a view showing the coating device of Figure 1 from the side.
- FIG. 6 is a detailed view showing the offset adjustment device provided in the coating device of FIG. 1.
- FIG. 7 is a detailed diagram showing the offset adjustment module included in the offset adjustment device of FIG. 6.
- Figure 8 is an exploded perspective view of the offset adjustment module of Figure 7.
- FIG. 9 is a diagram showing a portion of the offset adjustment module of FIG. 7.
- FIG. 10 is a diagram showing another part of the offset adjustment module of FIG. 7.
- FIG. 11 is a diagram showing a state in which the offset adjustment module of FIG. 7 aligns spacers.
- Figure 12 is a diagram showing an offset adjustment device according to another embodiment of the present invention.
- FIG. 1 is a view showing the overall shape of the coating device 1 according to an embodiment of the present invention
- FIG. 2 is a view showing the coating device 1 of FIG. 1 from the front
- FIG. 3 is a view showing the coating device 1 of FIG. 1.
- (1) is a view shown from the top
- FIG. 4 is a view showing a part of the coating device 1 in FIG. 1 from the top
- FIG. 5 is a view showing the coating device 1 in FIG. 1 from the side.
- the X-axis direction shown in the drawing is the discharge direction of the coating agent
- the Y-axis direction is the longitudinal direction of the slot die 22 perpendicular to the It can mean a vertical direction perpendicular to both the axial direction and the Y-axis direction.
- the coating device 1 may include an offset adjustment device 10 and a coating agent application device 20.
- the offset adjustment device 10 may be configured to adjust the offset between components of the coating agent application device 20.
- the coating agent application device 20 may include a slot die 22 and a spacer 24.
- the slot die 22 may be configured to apply a coating agent (not shown) to a substrate (not shown). As an example, the slot die 22 may eject the coating agent to the outside through a discharge hole formed in a slot shape. This slot die 22 can form a coating layer by applying a coating agent on a substrate. Additionally, the slot die 22 may be connected to an external coating agent supply device (not shown) to receive a coating agent.
- the substrate may be supplied wound on a coating roll (not shown).
- This substrate may be a current collector for forming an electrode (anode or cathode) of a secondary battery, but is not limited thereto.
- the substrate is used for manufacturing other components of a secondary battery, such as a separator fabric, for manufacturing a separator in which a coating slurry mixed with a polymer binder, dispersant, heat-resistant filler, etc. is applied to one or both sides of the separator fabric.
- the substrate, or the coating layer may be another substrate for manufacturing another component on which the substrate is formed.
- the coating agent may be a coating material applied to the substrate.
- the coating agent may be a positive electrode active material slurry applied to the positive electrode current collector.
- the slot die 22 described above may include a first die 22a and a second die 22b.
- the first die 22a may be formed in a substantially hexahedral shape. Additionally, a space in which the coating agent supplied from the coating agent supply device is stored may be formed inside the first die 22a.
- the second die 22b is formed in a substantially hexahedral shape and may be arranged to face the first die 22a in the vertical direction. As an example, the second die 22b may be placed on top of the first die 22a.
- the spacer 24 may be provided in the slot die 22. This spacer 24 may be configured to adjust the width at which the coating agent is discharged from the slot die 22. Specifically, the spacer 24 may be disposed between the first die 22a and the second die 22b in the vertical direction. As an example, the spacer 24 may be formed in an approximately 'L' shape by cutting one side facing the die lip L, which will be described later, and be coupled to the first die 22a. In the example shown in FIG. 4, the spacer 24 may be configured to include a protrusion at the center to coat two lanes simultaneously. Since the number of lanes can be adjusted by adjusting the number of protrusions of the spacer 24, multi-lane coating is possible by including a spacer 24 capable of coating two or more lanes.
- the first die 22a and the second die 22b may be coupled in the vertical direction through bolts C.
- the bolt C may penetrate a portion of the spacer 24 and couple the first die 22a and the second die 22b to each other in the vertical direction.
- a die lip L may be formed at the tip of the slot die 22.
- the die lip L may be formed to protrude a predetermined length from the tip of the slot die 22 in the discharge direction (X-axis direction) of the coating agent.
- the above-described slot die 22 may have a die lip (L) disposed adjacent to the side of the coating roll.
- the slot die 22 may be called a horizontal die.
- the slot die 22 may be arranged so that the die lip L is adjacent to the bottom of the coating roll. In this case, the slot die 22 may be called a vertical die.
- This slot die 22 can eject the coating agent onto the substrate wound around the outer surface of the coating roll through the die lip L.
- the spacer 24 is interposed between the first die 22a and the second die 22b to define one slot, so in this case, the slot die 22 may be a single slot die. .
- the slot die 22 may include one more die and a spacer in addition to the first die 22a and the second die 22b.
- the slot die 22 can be a dual slot die because a total of two slots can be defined by defining a slot between each two dies. In the slot die 22 described above, the number of slots can be easily changed in this way.
- the above-described offset adjustment device 10 may include an offset measurement module 100 and an offset adjustment module 200.
- the offset measurement module 100 may be configured to measure the offset between the spacer 24 and the die lip (L) of the slot die 22.
- the offset measurement module 100 may be a dial gauge. This dial gauge may be configured to compare the distance difference between at least two or more objects.
- the offset adjustment module 200 may be coupled to the spacer 24 and configured to align the spacer 24 according to the measured offset. At this time, the offset adjustment module 200 uses a spacer ( 24) can be configured to sort.
- the offset measurement module 100 and the offset adjustment module 200 may be integrated into the slot die 22 described above. That is, the offset adjustment module 200 adjusts the die lip (L) and the spacer (24) according to the offset between the die lip (L) and the spacer 24 of the slot die 22 measured through the offset measurement module 100.
- the spacer 24 can be aligned so that the distance between the ends of the spacers 24) in the discharge direction (X-axis direction) of the coating agent is minimized.
- the offset between the die lip (L) of the slot die 22 and the spacer 24 can be quantitatively measured. Additionally, the offset can be measured in real time.
- the spacer 24 can be aligned through the offset adjustment module 200 coupled to the spacer 24 according to the measured offset, there is an advantage in that more fine alignment of the spacer 24 is possible. Accordingly, the deviation of the left and right alignment of the spacer 24 can be minimized, and the deviation of the left and right discharge width of the coating agent from the slot die 22 can be minimized. Therefore, when coating a substrate in multiple lanes by unifying the left and right offsets, the pattern width of each lane can be made uniform.
- the offset adjustment device 10 may be configured to be coupled to one side of the slot die 22 located on the opposite side of the die lip L in the discharge direction of the coating agent. At this time, one side of the slot die 22 located on the opposite side of the die lip L may be configured to be flat.
- the offset measurement module 100 and the offset adjustment module 200 of the offset adjustment device 10 are integrated on the opposite side of the die lip L from which the coating agent is ejected from the slot die 22. It can be provided with .
- the offset measurement module 100 and the offset adjustment module 200 may be coupled to one side of the first die 22a.
- the spacer 24 can be aligned on the side opposite to the die lip L, so the spacer 24 can be aligned on the side of the die lip L protruding from the tip of the slot die 22.
- the spacer 24 can be aligned more stably than in the previous case.
- FIG. 6 is a detailed view showing the offset adjustment device 10 provided in the coating device 1 of FIG. 1.
- the offset measurement module 100 may include a support bracket 120 and an indicator 140.
- the support bracket 120 may be provided on the slot die 22. As an example, the support bracket 120 may be coupled to one side of the first die 22a described above.
- the indicator 140 is supported by the support bracket 120 and is in contact with the slot die 22 and the spacer 24 to measure the offset between the die lip L of the slot die 22 and the spacer 24. It can be configured to do so.
- the indicator 140 may include a measurer 142 and a ruler 144.
- the measurer 142 may be configured to contact the slot die 22 and the spacer 24 to compare the distance difference in the discharge direction of the coating agent between the slot die 22 and the spacer 24.
- the probe 142 is in contact with one side of the first die 22a and the spacer 24 in the discharge direction of the coating agent to determine the offset between the die lip L of the slot die 22 and the spacer 24. can be measured.
- the ruler 144 may externally display the offset between the spacer 24 and the die lip (L) of the slot die 22 measured by the ruler 142.
- the scale of the ruler 144 may be set to '0'. Afterwards, the probe 142 may be in contact with the spacer 24.
- the gap between the die lip L of the slot die 22 and the spacer 24 is simple. Since offset measurement is possible, the time required to align the spacer 24 can be shortened.
- FIG. 7 is a detailed view showing the offset adjustment module 200 provided in the offset adjustment device 10 of FIG. 6,
- FIG. 8 is an exploded perspective view of the offset adjustment module 200 of FIG. 7,
- FIG. 9 is a view of the offset adjustment module 200 of FIG. 7.
- It is a diagram showing a part of the offset adjustment module 200
- FIG. 10 is a diagram showing another part of the offset adjustment module 200 of FIG. 7,
- FIG. 11 is a diagram showing the offset adjustment module 200 of FIG. 7 using the spacer 24. This is a drawing showing the state of sorting.
- the offset between the die lip L of the slot die 22 and the spacer 24 is illustratively denoted by reference numeral 'O'. Additionally, in FIG. 11, the illustration of the above-described second die 22b is omitted.
- the offset adjustment module 200 may include a support unit 210 and a moving stage unit 220.
- the support portion 210 may be provided on the slot die 22.
- the support part 210 may be coupled to one side of the first die 22a described above.
- the moving stage unit 220 may be supported by the support unit 210 . Additionally, the moving stage unit 220 may be configured to align the spacer 24 according to movement in the discharge direction (X-axis direction) of the coating agent. This moving stage unit 220 may be connected to the spacer 24.
- the moving stage part 220 which can move in the discharge direction of the coating agent, aligns the spacer 24 while being coupled to the slot die 22 by the support part 210, thereby making the spacer 24 more stable. It has the advantage of being sortable.
- the offset adjustment module 200 may further include an offset adjustment guide unit 230 and an adjustment unit 240.
- the offset adjustment guide unit 230 is provided on the moving stage unit 220 and may be coupled to the spacer 24. This offset adjustment guide unit 230 may be provided to extend in the vertical direction from the upper side of the moving stage unit 220.
- the control unit 240 may be configured to control the driving of the moving stage unit 220 in the discharge direction of the coating agent. Specifically, the control unit 240 may be configured to be driven in the coating agent discharge direction (X-axis direction) to control the movement of the moving stage unit 220 in the coating agent discharge direction. As an example, the adjusting unit 240 may be configured to adjust the movement of the moving stage unit 220 at approximately 0.001 mm intervals, but is not limited thereto.
- the spacer 24 may include a hole H in a portion formed to protrude outside the slot die 22 .
- the offset adjustment guide unit 230 may be configured to be coupled to the hole H of the spacer 24. At this time, the offset adjustment guide unit 230 may be coupled to the hole H of the spacer 24 in the vertical direction. Additionally, the outer surface of the offset adjustment guide unit 230 may be provided in a shape corresponding to the hole H of the spacer 24.
- the spacer 24 is coupled to the offset adjustment guide unit 230 provided in the moving stage unit 220, after aligning the spacer 24, the spacer 24 is positioned between the first die 22a and the second die 22b. Even when rejoining, the alignment of the spacer 24 can be minimized.
- the offset can be easily adjusted by manipulation, so the problem of coating width difference due to poor coating interface can be more easily solved.
- the width direction end of the electrode active material layer pattern formed on the upper surface of the current collector and the width direction end of the electrode active material layer pattern formed on the lower surface of the current collector is preferably aligned in the vertical direction.
- the difference in the width direction between each end is managed as a quality indicator called mismatch. there is. Mismatch is an item that must be managed as important because it is related to the safety issue of secondary batteries. If the left and right offsets are different due to misalignment of the spacers 24, or if the spacers 24 are aligned to have an offset larger than the set offset, this mismatch worsens, especially when using a wide current collector where the number of lanes further increases.
- mismatch process capability can be improved because unification of left and right offsets and management of set offsets are easy.
- condition adjustment loss can also be reduced because measures such as disassembling die blocks and reassembling spacers are not necessary after coating is stopped. .
- the moving stage unit 220 may include a first block 222, a second block 224, and a connection portion 226.
- the first block 222 may be coupled to the support portion 210 described above. At this time, the first block 222 may be fixed to the support portion 210.
- the second block 224 is coupled to the upper part of the first block 222 and may be configured to move in the discharge direction of the coating agent as the control unit 240 is driven. Additionally, an offset adjustment guide unit 230 may be provided on the top of the second block 224. This second block 224 may be configured to move in the discharge direction of the coating agent according to the driving of the adjusting unit 240 to align the spacer 24, as shown in FIGS. 7 and 8.
- the connecting portion 226 may be coupled to the adjusting portion 240 to connect the second block 224 and the adjusting portion 240.
- a portion of the adjusting portion 240 may be coupled through the connecting portion 226.
- a fastening hole (E) may be formed in the upper part of the connection portion 226.
- control unit 240 may include a driving unit 242 and a handle unit 244.
- the driving unit 242 is a part of the above-described control unit 240 and may extend in the discharge direction of the coating agent and be disposed inside the first block 222. Additionally, the driving unit 242 may be throughly coupled to the connecting unit 226. As an example, the driving unit 242 may be screwed to the connecting unit 226.
- the handle unit 244 is connected to the driving unit 242 and can be controlled to rotate the driving unit 242 by the operator's manipulation so that the driving unit 242 is driven in the discharge direction of the coating agent.
- the connection part 226 connected to the driving part 242 may be moved in the direction of discharging the coating agent.
- the second block 224 connected to the connection portion 226 may be moved in the direction of discharging the coating agent.
- the movement of the second block 224 in the discharge direction of the coating agent may be adjusted at approximately 0.001 mm intervals.
- the spacer 24 can be aligned by screwing between the adjusting unit 240 and the moving stage unit 220, so there is an advantage in that the spacer 24 can be more accurately aligned even when the operator's skill level is low. . Accordingly, the alignment deviation of the spacer 24 depending on the operator's skill level can be reduced and workability can be improved.
- the second block 224 may include an insertion portion 224a.
- the insertion portion 224a may be formed to extend in the discharge direction (X-axis direction) of the coating agent.
- This insertion portion 224a is formed at the bottom to protrude inward in the horizontal direction (Y-axis direction) and may be configured to be inserted into the top of the first block 222.
- the first block 222 may include a recessed portion 222a.
- the indentation portion 222a may be formed to extend in the discharge direction (X-axis direction) of the coating agent.
- This recessed portion 222a is formed by recessing the upper end of the first block 222 inward in the horizontal direction (Y-axis direction) and may be configured to accommodate the insertion portion 224a. That is, the recessed portion 222a of the first block 222 and the inserted portion 224a of the second block 224 may be formed in shapes that correspond to each other.
- the recessed portion 222a may be configured to guide the movement of the second block 224 in the discharge direction of the coating agent according to the driving of the adjusting portion 240.
- the movement of the second block 224 in the discharge direction of the coating agent according to the driving of the control unit 240 can be performed more stably. Accordingly, more stable and accurate alignment of the spacer 24 can be achieved.
- the offset adjustment module 200 may further include a protruding member 250 and a movement limiter 260.
- the protruding member 250 may be formed to protrude from the side of the second block 224.
- the protruding member 250 may be formed to protrude in the horizontal direction (Y-axis direction) from the side of the second block 224.
- the movement limiter 260 may be provided with a guide hole (G) configured to guide the movement of the protruding member 250 in the discharge direction of the coating agent.
- the protruding member 250 may be inserted into this guide hole (G) in the horizontal direction (Y-axis direction). Additionally, the movement limiter 260 may be fixed to the first block 222.
- the guide hole (G) may be configured to extend in the discharge direction (X-axis direction) of the coating agent.
- the protruding member 250 may be configured to restrict movement in the discharge direction of the coating agent by contacting one end or the other end of the guide hole (G). That is, the protruding member 250 is in contact with one end or the other end of the guide hole (G) during the movement of the second block 224 in the discharge direction of the coating agent, thereby limiting the movement range of the second block 224. It can be limited.
- the offset adjustment device 10 may further include a fixing member (F).
- the fixing member F may be configured to fix the offset adjustment device 10 to one side of the slot die 22.
- the fixing member (F) may fix the offset measurement module 100 and the offset adjustment module 200 to the opposite side of the die lip (L) in the slot die 22.
- the fixing member F may be coupled to one side of the first die 22a.
- the fixing member (F) may fix the support bracket 120 of the offset measurement module 100 and the support portion 210 of the offset adjustment module 200 to one side of the first die 22a. . At this time, the fixing member F may support the lower portion of the support bracket 120 and the support portion 210.
- the fixing member F may be configured to include a magnetic material and be detachable from the slot die 22.
- the support bracket 120 and the support portion 210 may be configured to include a metal material.
- the offset adjustment device 10 can be stably fixed to the slot die 22 during the process of aligning the spacer 24. Accordingly, the influence of vibration of the work space where the slot die 22 is placed can be minimized, and the spacer 24 can be aligned more stably.
- a plurality of offset adjustment devices 10 may be provided in the longitudinal direction (Y-axis direction) of the slot die 22.
- the spacers 24 can be aligned at a plurality of positions in the longitudinal direction of the slot die 22, so more rapid and accurate alignment of the spacers 24 can be achieved.
- the spacer 24 can be coupled to the offset adjustment guide portion 230 at a plurality of positions in the longitudinal direction of the slot die 22, Even when the first die 22a and the second die 22b are re-joined after aligning the spacer 24, misalignment of the spacer 24 can be minimized.
- the plurality of offset adjustment devices 10 described above may be provided along the longitudinal direction of the slot die 22, on both sides of the center of the slot die 22 in the longitudinal direction.
- the spacer 24 can be aligned simultaneously on both sides based on the center in the longitudinal direction of the slot die 22, so the left and right alignment deviation of the spacer 24 can be further minimized.
- the plurality of offset adjustment devices 10 may be provided symmetrically in the longitudinal direction of the slot die 22 with respect to the center in the longitudinal direction of the slot die 22.
- the left and right alignment deviation of the spacer 24 can be further minimized.
- Figure 12 is a diagram showing an offset adjustment device 12 according to another embodiment of the present invention.
- the offset adjustment device 12 is similar to the offset adjustment device 10 of the previous embodiment, redundant description of components that are substantially the same or similar to the previous embodiment will be omitted, and hereinafter, the previous embodiment will be described. Let's focus on the differences from the example.
- a plurality of offset adjustment devices 12 may be provided in the longitudinal direction of the slot die 22 . Additionally, the spacing between the plurality of offset adjustment devices 12 may be configured to be mutually adjustable. That is, the spacing between the plurality of offset adjustment devices 12 can be mutually adjusted in the longitudinal direction (Y-axis direction) of the slot die 22.
- the offset adjustment device 12 may include a gap adjustment module 300.
- the spacing adjustment module 300 may be an LM guide (linear motion guide) and may be configured to extend in the longitudinal direction of the slot die 22.
- This spacing adjustment module 300 may be disposed on the opposite side of the die lip L in the slot die 22. As an example, the spacing adjustment module 300 may be disposed adjacent to one side of the first die 22a.
- the spacing adjustment module 300 may be configured to guide the movement of the offset measurement module 100 and the offset adjustment module 200 in the longitudinal direction of the slot die 22.
- the fixing member F that fixes the offset measurement module 100 and the offset adjustment module 200 may be configured to move on the gap adjustment module 300.
- the offset adjustment device 12 can be easily moved to a position where the spacer 24 is misaligned, and thus the spacer 24 can be more easily aligned.
- the offset between the die lip L of the slot die 22 and the spacer 24 can be quantitatively measured. Additionally, the offset can be measured in real time.
- the spacer 24 can be aligned through the offset adjustment module 200 coupled to the spacer 24 according to the measured offset, there is an advantage in that more fine alignment of the spacer 24 is possible. Accordingly, the deviation of the left and right alignment of the spacer 24 can be minimized, and the deviation of the left and right discharge width of the coating agent from the slot die 22 can be minimized.
- the offset adjustment module 200 and the spacer 24 can be stably connected, more accurate alignment of the spacer 24 in the discharge direction of the coating agent may be possible.
- the spacer 24 is connected to the offset adjustment module 200, even when the first die 22a and the second die 22b are rejoined after aligning the spacer 24, the spacer 24 It is possible to minimize deviation from the aligned state.
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Abstract
Description
Claims (15)
- 기재에 코팅제를 도포하도록 구성된 코팅제 도포 장치의 슬롯 다이에 구비되는 스페이서의 정렬을 위해 구성된 오프셋 조정 장치에 있어서,상기 슬롯 다이의 다이 립과 상기 스페이서 사이의 오프셋을 측정하도록 구성된 오프셋 측정 모듈; 및상기 스페이서에 결합되고, 상기 측정된 오프셋에 따라 상기 스페이서를 정렬하도록 구성된 오프셋 조정 모듈을 포함하는 것을 특징으로 하는 오프셋 조정 장치.
- 제 1항에 있어서,상기 오프셋 조정 장치는,상기 코팅제의 배출 방향으로 상기 다이 립의 반대측에 위치한 상기 슬롯 다이의 일측면에 결합되도록 구성된 것을 특징으로 하는 오프셋 조정 장치.
- 제 1항에 있어서,상기 오프셋 측정 모듈은,상기 슬롯 다이에 구비되는 지지 브라켓; 및상기 지지 브라켓에 의해 지지되고, 상기 슬롯 다이 및 상기 스페이서에 접촉되어 상기 오프셋을 측정하도록 구성된 인디케이터를 포함하는 것을 특징으로 하는 오프셋 조정 장치.
- 제 1항에 있어서,상기 오프셋 조정 모듈은,상기 슬롯 다이에 구비되는 지지부; 및상기 지지부에 의해 지지되고, 상기 코팅제의 배출 방향으로의 이동에 따라 상기 스페이서를 정렬하도록 구성된 이동 스테이지부를 포함하는 것을 특징으로 하는 오프셋 조정 장치.
- 제 4항에 있어서,상기 오프셋 조정 모듈은,상기 이동 스테이지부에 구비되고, 상기 스페이서에 결합되는 오프셋 조정 가이드부; 및상기 코팅제의 배출 방향에서의 상기 이동 스테이지부의 구동을 조절하도록 구성된 조절부를 더 포함하는 것을 특징으로 하는 오프셋 조정 장치.
- 제 5항에 있어서,상기 스페이서는 상기 슬롯 다이의 외측으로 돌출되어 형성된 부분에 홀을 포함하고,상기 오프셋 조정 가이드부는,상기 스페이서의 홀에 결합되도록 구성된 것을 특징으로 하는 오프셋 조정 장치.
- 제 5항에 있어서,상기 이동 스테이지부는,상기 지지부에 결합되는 제 1 블록;상기 제 1 블록의 상부에 결합되고, 상기 조절부의 구동에 따라 상기 코팅제의 배출 방향으로 이동되도록 구성된 제 2 블록; 및상기 조절부에 결합되어 상기 제 2 블록과 상기 조절부를 연결하도록 구성된 연결부를 포함하고,상기 제 2 블록의 상부에는 상기 오프셋 조정 가이드부가 구비되는 것을 특징으로 하는 오프셋 조정 장치.
- 제 7항에 있어서,상기 제 2 블록은,하단에 수평 방향 내측으로 돌출되어 형성되고, 상기 제 1 블록의 상단에 삽입되도록 구성된 삽입부를 포함하고,상기 제 1 블록은,상단에 수평 방향 내측으로 함입되어 형성되고, 상기 삽입부를 수용하도록 구성된 함입부를 포함하고,상기 함입부는,상기 조절부의 구동에 따른, 상기 제 2 블록의 상기 코팅제의 배출 방향으로의 이동을 가이드하도록 구성된 것을 특징으로 하는 오프셋 조정 장치.
- 제 7항에 있어서,상기 오프셋 조정 모듈은,상기 제 2 블록의 측면에 돌출되어 형성된 돌출부재; 및상기 코팅제의 배출 방향으로 상기 돌출부재의 이동을 가이드하도록 구성되는 가이드공을 구비하고 상기 제 1 블록에 고정되는 이동 제한부를 더 포함하고,상기 돌출부재는,상기 가이드공의 일단 또는 타단에 맞닿음으로써 상기 코팅제의 배출 방향에서의 이동이 제한되도록 구성된 것을 특징으로 하는 오프셋 조정 장치.
- 제 2항에 있어서,상기 오프셋 조정 장치를 상기 슬롯 다이의 일측면에 고정시키도록 구성된 고정부재를 더 포함하는 것을 특징으로 하는 오프셋 조정 장치.
- 제 1항에 있어서,상기 오프셋 조정 장치는,상기 슬롯 다이의 길이 방향으로 복수 개 구비되는 것을 특징으로 하는 오프셋 조정 장치.
- 제 11항에 있어서,상기 복수 개의 오프셋 조정 장치는,상기 슬롯 다이의 길이 방향을 따라, 상기 슬롯 다이의 길이 방향에서의 중심의 양측에 구비되는 것을 특징으로 하는 오프셋 조정 장치.
- 제 12항에 있어서,상기 복수 개의 오프셋 조정 장치는,상기 슬롯 다이의 길이 방향에서의 중심을 기준으로 하여, 상기 슬롯 다이의 길이 방향으로 대칭되게 구비되는 것을 특징으로 하는 오프셋 조정 장치.
- 제 11항에 있어서,상기 복수 개의 오프셋 조정 장치 사이의 간격은 상호 조절 가능하게 구성된 것을 특징으로 하는 오프셋 조정 장치.
- 제 1항 내지 제 14항 중 어느 한 항에 따른 오프셋 조정 장치; 및기재에 코팅제를 도포하도록 구성된 코팅제 도포 장치를 포함하는 것을 특징으로 하는 코팅 장치.
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CN202380012756.5A CN117615859A (zh) | 2022-06-08 | 2023-05-11 | 偏移调整装置和包括该偏移调整装置的涂覆设备 |
EP23820003.4A EP4385629A1 (en) | 2022-06-08 | 2023-05-11 | Offset adjustment device and coating device comprising same |
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KR10-2022-0069479 | 2022-06-08 | ||
KR1020220069479A KR20230168784A (ko) | 2022-06-08 | 2022-06-08 | 오프셋 조정 장치 및 이를 포함하는 코팅 장치 |
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EP (1) | EP4385629A1 (ko) |
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Citations (6)
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KR20130098758A (ko) * | 2012-02-28 | 2013-09-05 | 삼성에스디아이 주식회사 | 코팅 폭의 조절이 가능한 슬롯 다이 |
JP2019111470A (ja) * | 2017-12-21 | 2019-07-11 | 株式会社ヒラノテクシード | 塗工装置 |
CN211989448U (zh) * | 2020-03-02 | 2020-11-24 | 宁德新能源科技有限公司 | 涂布模具 |
CN212136588U (zh) * | 2020-06-24 | 2020-12-11 | 中航锂电技术研究院有限公司 | 模头垫片及浆料涂布设备 |
CN215235451U (zh) * | 2021-01-05 | 2021-12-21 | 欣旺达电动汽车电池有限公司 | 模头垫片调整装置及涂布模头 |
KR20220069479A (ko) | 2020-11-20 | 2022-05-27 | 링크페이스 주식회사 | 생체 신호를 이용한 사용자 상태 모니터링 방법 및 이를 실행하는 시스템 |
-
2022
- 2022-06-08 KR KR1020220069479A patent/KR20230168784A/ko unknown
-
2023
- 2023-05-11 EP EP23820003.4A patent/EP4385629A1/en active Pending
- 2023-05-11 WO PCT/KR2023/006443 patent/WO2023239067A1/ko active Application Filing
- 2023-05-11 CN CN202380012756.5A patent/CN117615859A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20130098758A (ko) * | 2012-02-28 | 2013-09-05 | 삼성에스디아이 주식회사 | 코팅 폭의 조절이 가능한 슬롯 다이 |
JP2019111470A (ja) * | 2017-12-21 | 2019-07-11 | 株式会社ヒラノテクシード | 塗工装置 |
CN211989448U (zh) * | 2020-03-02 | 2020-11-24 | 宁德新能源科技有限公司 | 涂布模具 |
CN212136588U (zh) * | 2020-06-24 | 2020-12-11 | 中航锂电技术研究院有限公司 | 模头垫片及浆料涂布设备 |
KR20220069479A (ko) | 2020-11-20 | 2022-05-27 | 링크페이스 주식회사 | 생체 신호를 이용한 사용자 상태 모니터링 방법 및 이를 실행하는 시스템 |
CN215235451U (zh) * | 2021-01-05 | 2021-12-21 | 欣旺达电动汽车电池有限公司 | 模头垫片调整装置及涂布模头 |
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CN117615859A (zh) | 2024-02-27 |
KR20230168784A (ko) | 2023-12-15 |
EP4385629A1 (en) | 2024-06-19 |
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