CN110270470A - Apparatus for coating and coating method - Google Patents
Apparatus for coating and coating method Download PDFInfo
- Publication number
- CN110270470A CN110270470A CN201910193372.3A CN201910193372A CN110270470A CN 110270470 A CN110270470 A CN 110270470A CN 201910193372 A CN201910193372 A CN 201910193372A CN 110270470 A CN110270470 A CN 110270470A
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- Prior art keywords
- substrate
- individual body
- backing roll
- coating
- light
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Classifications
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- 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
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
- B05C11/1015—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to a conditions of ambient medium or target, e.g. humidity, temperature ; responsive to position or movement of the coating head relative to the target
- B05C11/1021—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to a conditions of ambient medium or target, e.g. humidity, temperature ; responsive to position or movement of the coating head relative to the target responsive to presence or shape of target
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- 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
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
-
- 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
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- 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
- B05C5/0245—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 for applying liquid or other fluent material to a moving work of indefinite length, e.g. to a moving web
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
- G01N2021/8924—Dents; Relief flaws
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- Analytical Chemistry (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Biochemistry (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Coating Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Replacement Of Web Rolls (AREA)
Abstract
The present invention provides a kind of coating film device for be formed coated film on non-individual body along transport path conveying by non-individual body that the front end of the rear end of the first base material of strip and the second substrate of strip is formed by connecting and from nozzle supply coating fluid, can accurately detect the fold being formed on non-individual body when substrate connection.The apparatus for coating includes backing roll, on the middle position between coating fluid supply position and link position in transport path with engaged along the non-individual body that transport path transports and support the non-individual body；Irradiation portion, the surface illumination beam of the non-individual body supported along person by backing roll；Acceptance part is configured across non-individual body and irradiation portion in opposite directions to receive light beam；And fold test section, based on the generation for detecting the fold on non-individual body by the variation of the received light income of acceptance part.
Description
Technical field
The present invention relates to a kind of along transport path conveying by the second of the rear end of the first base material of strip and strip
Non-individual body that the front end of substrate is formed by connecting simultaneously supplies coating fluid from nozzle and arranges to form the painting of coated film on non-individual body
It sets and coating method.
Background technique
As apparatus for coating, it is known that a kind of by the shape on the conductive sheet of the metal functioned as collector etc. or surface
It is transported by roll-to-roll mode along defined transport path and at the substrate of the strips such as the resin sheet for having metallic film in base
The device of coated film is formed on material.In the apparatus for coating, in order to be continuously formed coated film, for example, such as special open 2014-
It is recorded in No. 46303 bulletins, prepare two raw materials that substrate is wound into roll, when the surplus of the substrate in a raw material becomes
When few, the source of supply of substrate is switched to another raw material.In order to execute the handover operation, it is provided with the function with switching substrate
The substrate supply unit of energy.The standby raw material of winding substrate is provided in substrate supply unit.Then, when the surplus of substrate is due to volume
When the substrate being wound on a raw material is sent from a raw material and is reduced, it will be sent from a raw material by double faced adhesive tape etc.
Substrate out connect to form the non-individual body for the substrate that substrate is engaged with each other and conveying with the substrate in standby raw material.By
This, by will be switched in standby raw material from the substrate that substrate supply unit supplies from the substrate on a raw material
Substrate, substrate can be continuously fed.
Summary of the invention
As described above, as shown in Fig. 4 C being described in detail below, making from a raw material in the case where connecting two substrates
The rear end of the substrate of submitting is Chong Die with the front end of substrate sent out from standby raw material, and by double in the overlapping region
Face adhesive tape etc. carries out substrate connection.At this point, fold may be generated in the non-individual body for connecting two substrates.In particular, base in recent years
Material has the trend of filming.For example, using copper foil as substrate and producing the electrode for cell such as lithium ion secondary battery
In the case where, substrate with a thickness of several microns, fold easy to form at the seam (overlapping region) of two substrates.
Herein, if the non-individual body for being formed with fold is transported to the coating fluid supply position from nozzle supply coating fluid,
Fold may interfere with nozzle, and non-individual body (substrate) may be involved in nozzle and be broken.Furthermore, it is also possible to which the front end to nozzle is made
At damage.Therefore, the generation of this problem in order to prevent, it is preferable that detect shape when by two substrate connections to form non-individual body
Nozzle is moved back from coating fluid supply position at the fold at the seam of two substrates (overlapping region), and based on the detection information
It keeps away.
However, in the prior art, not providing the particular technique for accurately detecting fold, and behaviour must be relied on
The visual observation of author.In other words, by the eyes of operator confirmation seam (overlapping region) come manually by nozzle from coating
Liquid supply position is kept out of the way, and after it confirmed that seam has passed through coating fluid supply position, it is again adjacent to nozzle to restart
Coating.As a result, above-mentioned apparatus for coating is used in the factory that cannot continuously produce automatically at 24 hours.Further, since the company of substrate
Continuous conveying is to continue to carry out, therefore the manual activity of operator can cause to be coated with loss accordingly, this, which becomes, causes production to be imitated
One of the factor that rate reduces.
Present invention has been made in view of the above problems, and it is an object of the present invention to provide a kind of transport along transport path by strip
The rear end of first base material and the non-individual body that is formed by connecting of front end and being supplied from nozzle of the second substrate of strip be coated with
Liquid to be formed on the non-individual body in the apparatus for coating of coated film, can accurately detect and be formed in company in substrate connection
The technology of fold in continuous body.
An embodiment of the invention is a kind of apparatus for coating, transports non-individual body along transport path and supplies in coating fluid
Coated film is formed on non-individual body to coating fluid is supplied from nozzle on position, which is by the first base material of strip
What the front end of the second substrate of rear end and strip was formed by connecting on link position, which is characterized in that the apparatus for coating
Backing roll is included, on the middle position between coating fluid supply position and link position in transport path, is removed with edge
The non-individual body for sending path to transport engages and supports the non-individual body；Irradiation portion is shone along the surface of the non-individual body supported by backing roll
Irradiating light beam；Acceptance part is configured across non-individual body and irradiation portion in opposite directions to receive light beam；Fold test section, based on being connect by acceptance part
The light income of receipts changes to detect the generation of the fold on non-individual body.
In addition, another embodiment of the present invention is a kind of coating method, non-individual body is transported along transport path and is being applied
Coating fluid is supplied to form coated film on non-individual body from nozzle on cloth liquid supply position, which is by the first of strip
What the front end of the second substrate of the rear end and strip of substrate was formed by connecting on link position, which is characterized in that the painting
Cloth method includes: the coating fluid supply position and connection position for making the non-individual body transported along transport path with being configured in transport path
The process that backing roll between setting engages and is supported on backing roll；Along the surface of the non-individual body supported by backing roll from backing roll
The lateral the other end side illumination beam of one end, and the other end of backing roll flank receive light beam and seek light beam by
The process of light quantity；And the process that the generation of the fold on non-individual body is detected based on the variation of the light income of light beam.
In invention as constructed as above, make the front end of the second substrate relative to the rear end of first base material in link position
Upper connection and form non-individual body, and transport the non-individual body along transport path.In this way, when first base material is connect with the second substrate,
Fold may be generated on non-individual body.Therefore, the non-individual body transported along transport path is supported by backing roll, and along non-individual body
Surface from the one end side of backing roll to the other end side illumination beam.Herein, when on non-individual body there are when fold, light beam
Part or all blocked by fold, the light income of the light beam of acceptance part reduces and changes light income.Therefore, in the present invention
In, fold is detected based on the variation of light income.
As described above, along the surface illumination beam of the non-individual body supported by backing roll, and be based on blocking one by fold
Part or all of light beam leads to the variation of the light income of light beam to detect the generation of the fold in non-individual body.It therefore, can be high-precision
The fold that the detection of degree ground is formed in non-individual body.
Detailed description of the invention
Fig. 1 is the figure for showing the first embodiment of apparatus for coating of the invention.
Fig. 2 is the part amplification stereogram of apparatus for coating shown in FIG. 1.
Fig. 3 is the block diagram for showing the electrical structure of apparatus for coating shown in FIG. 1.
Fig. 4 A is the figure for schematically showing the first step of formation movement of the non-individual body in uncoiling portion.
Fig. 4 B is the figure for schematically showing the second step of formation movement of the non-individual body in uncoiling portion.
Fig. 4 C is the figure for schematically showing the third step of formation movement of the non-individual body in uncoiling portion.
Fig. 4 D is the figure for schematically showing the four steps of formation movement of the non-individual body in uncoiling portion.
Fig. 5 is the schematic diagram of the structure of the irradiation portion used in the second embodiment for show apparatus for coating of the invention.
Wherein, the reference numerals are as follows:
5 irradiation portions
6 acceptance parts
12 nozzles
14 nozzle moving mechanisms
21 arithmetic processing sections (fold test section, supply control part, nozzle location control unit)
32a carrying roller (backing roll)
32a1 (carrying roller) one end
32a2 (carrying roller) the other end
51 light-emitting components
52 luminous holding mechanisms
61 light receiving elements
100 apparatus for coating
311a, 311b raw material
521 (emission side) rotating rollers
522 (emission side) holding members
LB light beam
P1 link position
P2 coating fluid supply position
The middle position P3
PT transport path
S substrate (non-individual body)
Sa (first) substrate
Sar (first base material) rear end
Sb (second) substrate
Sbf (the second substrate) front end
W fold
Z vertical direction (orthogonal direction)
Specific embodiment
Fig. 1 is the figure for showing the first embodiment of apparatus for coating of the invention.In addition, Fig. 2 is that painting shown in FIG. 1 arranges
The part amplification stereogram set.In addition, Fig. 3 is the block diagram for showing the electrical structure of apparatus for coating shown in FIG. 1.The apparatus for coating
100 be the device to the substrate S coating paste coating fluid of the sheet transported in a manner of roll-to-roll, for example, can be used for manufacturing lithium
The electrode for cell such as ion secondary battery.For the direction in unified representation following figure, as shown in Figure 1, the orthogonal seat of setting XYZ
Mark system.Herein, X/Y plane is horizontal plane, and X-axis is the axis extended in the width direction of substrate S, and Y-axis be it is orthogonal to X-axis simultaneously
The axis extended in the conveyance direction of substrate S.Z axis indicates vertical axis, and the direction (- Z) indicates vertical downwardly direction.
The apparatus for coating 100 has the coated portion 1 that coating fluid is supplied and applied to substrate S.The coated portion 1 includes slot 11,
For the coating fluid to be applied in internal storage；And a nozzle 12, for spraying the coating fluid supplied from the slot 11.Nozzle
12 are extended in the X direction, can spray coating fluid from the ejiction opening (illustration omitted) extended in the X direction.The nozzle 12
Slot 11 is connected to via liquor charging system 13.As shown in Figure 1, liquor charging system 13 includes piping 131, it to be used for link slot 11 and nozzle
Between 12；And pump 132, the midway of the piping 131 is mounted on so that coating fluid circulates in piping 131.It is expected that pump 132 can
Highly viscous coating fluid is sent out with stable flow.As such pump, screw pump can be used for example, such as can be suitably
A kind of Mono pump used as uniaxial screw pump.Pump 132 movement controlled by control unit 2, can nozzle 12 spray with
Stop spraying and be switched between coating fluid.
Substrate S is admitted to the position opposite with the ejiction opening of nozzle 12 along defined transport path PT by transport unit 3
It sets.Transport unit 3 has the uncoiling portion 31 for releasing substrate S.It is provided in uncoiling portion 31 by the substrate Sa of strip sheet
It is wound into the raw material 311a of roll and the substrate Sb of strip sheet is wound into two raw materials of the raw material 311b of roll.So
Afterwards, when the surplus abundance of the substrate Sa in a raw material 311a, uncoiling portion 31 releases substrate Sa as above-mentioned from raw material 311a
Substrate S.In addition, releasing substrate Sb from another raw material 311b, and will when the surplus of the substrate Sa in raw material 311a tails off
The front end of substrate Sb connect to form non-individual body with the rear end of the substrate Sa from raw material 311a, can be by the non-individual body
S is to the continuously uncoiling of coated portion 1 as above-mentioned base material.In addition, will be explained in the structure and movement in uncoiling portion 31 later.
Transport unit 3 has multiple carrying roller 32a, 32b, backing roll 33 and take-up roll 34, come for putting from uncoiling portion 31
It is wound out and via the substrate S that coated portion 1 transports.That is, the substrate S from uncoiling portion 31 is via carrying roller 32a, 32b quilt
It is transported to backing roll 33, and is wrapped in the surface of backing roll 33.In addition, having passed through the substrate S on the surface of backing roll 33 to winding
Roller 34 transports, and is wound the winding of roller 34.It should be noted that in the present embodiment, backing roll 33 and take-up roll 34 it
Between, substrate S keeps the posture of general planar to be transported, and the conveyance direction Ds of substrate S is the direction (+Y) at this time.
In other words, transport unit 3 has as support and keeps the coating object i.e. function and work of the unit of substrate S
For transport substrate S unit function.Transport unit 3 also has to be driven out according to the control instruction from control unit 2
The uncoiling driving mechanism 35 in each portion in volume portion 31 and the winding drive mechanism 36 (Fig. 3) for making the rotation driving of take-up roll 34.
In this way, nozzle 12 is configured to and by one in the main surface for the substrate S that transport unit 3 is supported and is transported
Surface is connected to the opposite mode in another surface of the part of backing roll 33.In other words, by the way that substrate S to be wrapped in and nozzle
The surface of 12 backing rolls 33 configured in opposite directions, to keep substrate S and nozzle 12 opposite.The coating fluid sprayed from nozzle 12 is coated
Onto the surface of substrate S.By transporting substrate S along the direction arrow Ds, nozzle 12 can be made to be scanned relative to substrate S on one side
Movement on one side will be on coating liquid to substrate S.By making nozzle 12 be connected to backing roll 33 in the back side with the surface substrate S
Region it is opposite in the state of apply coating fluid, steadily maintain to be positioned in so as to one side as defined in coating fluid supply position
The gap set between the nozzle 12 of P2 and substrate surface is applied on one side.In addition, in the present embodiment, nozzle 12 is configured to
Position can be left in above-mentioned coating fluid supply position P2 and from coating fluid supply position P2 to what the opposite side of backing roll was left
Between move, and connect with nozzle moving mechanism 14 (Fig. 3).The nozzle moving mechanism 14 is according to the movement from control unit 2
Instruction is acted, so that nozzle 12 be made to be selectively positioned at coating fluid supply position P2 and leave position.
When the ejiction opening from the nozzle 12 for being located in coating fluid supply position P2 is with a certain amount of continuously ejection coating fluid,
The wet film (illustration omitted) being made of coating fluid extends to form on the surface of substrate S along Y-direction.Herein, for example, by using
The conductive sheet of the metal functioned as collector etc. is as substrate S and uses the cream comprising active material as painting
Cloth liquid can manufacture and electrode for cell made of active material layer is laminated on the surface of current collector layer.This coating fluid
Usual viscosity with higher, can be used for example in shear velocity 10s-1Lower viscosity is 50Pas to 300Pas's or so
Coating fluid.In addition, as substrate S, for example can be the substrate for being formed with metallic film on the surface of resin sheet.
In addition, on the conveyance direction Ds for transporting substrate S by transport unit 3, downstream side, take-up roll 34 in backing roll 33
Upstream side be provided with solidified cell 4.Solidified cell 4 passes through to the wet film example formed on the substrate S passed through inside it in conveying
Dry air, hot wind, infrared ray are such as supplied, to promote the Vehicle Composition of coating fluid to volatilize, makes wet film dry solidification to be formed
Coated film.It is comprising being configured to coating with specific electromagnetic wave induction and in the case where cured material in coating fluid
Liquid irradiates the electromagnetic wave.Length along the solidified cell 4 of the transport path of substrate S is corresponding with the curing time of coating fluid.
In this way, in apparatus for coating 100, substrate S is transported on conveyance direction Ds along transport path PT on one side
It is formed continuously coated film on one side, when the surplus of the substrate Sa in a raw material 311a tails off, will be come from by uncoiling portion 31 another
The non-individual body that the rear end of the substrate Sb and substrate Sa of a raw material 311b are formed by connecting continuously is supplied as substrate S.
As shown in Figure 1, in the uncoiling portion 31, unwinding roll 312a, help roll 313a, unwinding roll 312b and help roll
Equiangularly spacing (90 °) radially configures 313b centered on the rotation axis 314a extended on width direction X, and constitutes
It is freely rotated for rotation axis 314a can be surrounded, thus constitutes turntable mechanism 314.The rotation axis 314a of turntable mechanism 314 with open
It rolls up driving mechanism 35 to connect, by turning counter clockwise direction of the turntable mechanism 314 in the paper of Fig. 1 by uncoiling driving mechanism 35
It is dynamic, switch to carry out the substrate being such as described in detail later in reference to Fig. 4 A~Fig. 4 D.
In addition, the substrate Sa cutting cut off from the raw material 311a of surplus reduction is moved in execution when carrying out substrate switching
Make and will connect from the rear end of the substrate Sa cut off in raw material 311a and the front end of the substrate Sb released from raw material 311b
The connecting moves connect.For this purpose, being provided with cutting mechanism 315 and pressing mechanism 316 in the present embodiment.
Cutting mechanism 315 has the arm that can be freely rotated around the rotation axis 315a being extended on width direction X
Component 315b and be installed on arm member 315b front end cutting element 315c.In addition, the rotation axis of cutting mechanism 315
315a is connect with uncoiling driving mechanism 35, by making up time of the arm member 315b in the paper of Fig. 1 by uncoiling driving mechanism 35
The rotation of needle direction, makes cutting element 315c be moved to the off-position (solid line of Fig. 4 B from position of readiness (solid line position in Fig. 1)
Position) cut off substrate Sa.
Pressing mechanism 316 has the arm that can be freely rotated around the rotation axis 316a being extended on width direction X
Component 316b and be installed on arm member 316b front end pressing roller 316c.In addition, the rotation axis of pressing mechanism 316
316a is connect with uncoiling driving mechanism 35, by making inverse time of the arm member 316b in the paper of Fig. 1 by uncoiling driving mechanism 35
The rotation of needle direction, makes pressing roller 316c that the rear end of substrate Sa is pressed on raw material 311b in link position P1.In the pressing
It carves, the double faced adhesive tape TP being pasted onto advance by operator on the surface of the front end of substrate Sb is moved to pressing position.Therefore, exist
The front end of the rear end of the substrate Sa overlapping region Chong Die with the front end of substrate Sb, the rear end of substrate Sa and substrate Sb by
Double faced adhesive tape TP connection (referring to Fig. 4 C).
In addition, fixing roller 318a, idler roller 318b and fixing roller 318c are provided in uncoiling portion 31, it will be from turntable
The substrate S that mechanism 314 releases is moved out to coated portion 1.
In uncoiling portion 31 as constituted above, as the surplus of the substrate Sa in raw material 311a is reduced, by substrate Sa, Sb
Connection is released to form non-individual body using the non-individual body as substrate S.When carrying out substrate connection, fold is possibly formed into
At the seam (overlapping region) of substrate Sa, Sb.Illustrate the movement in uncoiling portion 31 by referring to Fig. 4 A~Fig. 4 D to illustrate the reason.
Fig. 4 A to Fig. 4 D is the figure for schematically showing the formation movement of the non-individual body in uncoiling portion.As shown in Figure 1, applying
In cloth apparatus 100, from the raw material 311a being located on the defined substrate unwinding position for carrying out releasing substrate S to coated portion 1
It releases, substrate S is transported on conveyance direction Ds, and applied by coated portion 1 from uncoiling portion 31 using substrate Sa as substrate S
The supply of cloth liquid and solidification is dried by solidified cell 4, to form coated film on substrate S.Substrate Sa is continued
Processing is coated so that the substrate surplus in raw material 311a is reduced.Therefore, in the present embodiment, when substrate surplus reaches permanent
When definite value, control unit 2 only continues the coating process of substrate S in a period of certain time and carries out cutting for raw material simultaneously
Work move to form non-individual body, and release the non-individual body as substrate S.
As shown in Figure 4 A, in the switching action of the raw material, make turntable mechanism 314 along counterclockwise by uncoiling driving mechanism 35
Direction rotates about 160 °, so that raw material 311a leaves from substrate unwinding position and makes raw material 311b close to substrate unwinding position.With
The movement that such raw material 311a, 311b are turned round centered on rotation axis 314a makes unwinding roll 312a, 312b along up time in linkage
Needle direction rotates.As a result, in the side unwinding roll 312b, raw material 311b is rotated in a clockwise direction, front end Sbf (referring to Fig. 4 C)
It is released to substrate Sa.On the other hand, in the side unwinding roll 312a, substrate Sa is released from raw material 311a and winds help roll 313a.In addition,
The releasing of pressing roller 316c and substrate Sa are mobile to the raw material 311b being located near substrate unwinding position in linkage, by substrate Sa to
The front end Sbf of raw material 311b is pressed, and makes substrate Sa, Sb overlapping to form overlapping region Rs (referring to Fig. 4 C).In the raw material
It is pasted with double faced adhesive tape TP in advance on the surface of the front end Sbf of 311b.Therefore, when the state shown in Fig. 4 A carries out raw material
When the releasing of 311a, 311b, double faced adhesive tape TP is admitted to the following location directly of pressing roller 316c, and in overlapping region, Rs is by substrate
Sa, Sb connection.Two connected positions substrate Sa, Sb are link position P1 as a result,.
When completing the connection of substrate Sa, Sb on link position P1 in this way, as shown in Figure 4 B, cutting element
315c is moved to off-position (solid line position) from position of readiness (dotted line position) to cut off substrate Sa.As a result, from raw material 311a
Substrate Sa is cut off, the region rear end Sar of substrate Sa Chong Die with the front end Sbf of substrate Sb, i.e. overlapping region Rs are (referring to figure
Range 4C) determines.On the other hand, above-mentioned cutting is so that henceforth stop supplying substrate from raw material 311a to coated portion 1.This
Outside, followed by substrate Sb can be connect with substrate Sa to form the non-individual body of long ribbon shape and as substrate S in overlapping region Rs
It is released to coated portion 1, to replace above-mentioned stopping to supply substrate.
As described above, as shown in Figure 4 C, it is (real that cutting element 315c returns to position of readiness when completing the cutting of substrate Sa
Line position).In addition, pressing roller 316c also returns to original position of readiness (solid line position when overlapping region Rs passes through pressing position
It sets).In addition, making turntable mechanism 314 rotate about 20 ° in the counterclockwise direction by uncoiling driving mechanism 35, it is moved to raw material 311b
Substrate unwinding position simultaneously positions.
In this way, during making turntable mechanism 314 rotate 180 °, the rear end Sar for making substrate Sa and base are carried out
The push action and substrate Sa of the movement that partly overlaps, pressing roller 316c to overlapping region Rs between the front end Sbf of material Sb
Cutoff action.Due to carrying out these movements to substrate Sa, Sb, substrate especially is being constituted by thin-film materials such as sheet metals
In the case where Sa, Sb, exist for example as shown in the magnified partial view in Fig. 4 C the case where overlapping region Rs generates fold W.
Then, in the state of having fold W substrate S via fixing roller 318a, idler roller 318b and fixing roller 318c from uncoiling
It is moved out in portion 31, is then transported to backing roll 33 via carrying roller 32a, 32b (referring to Fig. 4 D).Therefore, if in nozzle 12
Fold W is transported to backing roll 33 in the state of the P2 of coating fluid supply position, it is likely that generates interference with nozzle 12, makes
Substrate S is involved in nozzle 12 and is broken.Furthermore, it is also possible to which the damage of the front end to nozzle 12 occurs.
Therefore, in the present embodiment, the link position P1 in the transport path PT positioned at substrate S and coating fluid supply
Middle position P3 between the P2 of position carries out optical detection to fold W.It engages and props up more specifically, will be wound by carrying roller 32a
The position of substrate (non-individual body) S is held as middle position P3, irradiation portion 5 presss from both sides substrate S with acceptance part 6 on the P3 of the middle position
It is configured in opposite directions in centre and on width direction X.Irradiation portion 5 has the surface for the one end 32a1 for being configured at carrying roller 32a
Light-emitting component 51.Light-emitting component 51 according to above from the roller surface of carrying roller 32a to vertical (+Z) leave defined fold
It detects the mode on the height and position of height H (referring to Fig. 4 C) in width direction X illumination beam LB and sketch map (is saved by supporting member
Show) it is fixed.It should be noted that fold detection height H is set to:
H > (thickness of substrate Sa)+(thickness of double faced adhesive tape TP)+(thickness of substrate Sb), light beam LB are (continuous along substrate
Body) S surface irradiation.
In addition, acceptance part 6 has the light receiving element 61 of the surface for the other end 32a2 for being configured at carrying roller 32a.By
Optical element 61 is configured to always receive light beam LB with 51 phase of light-emitting component.In other words, light receiving element 61 is according to from carrying roller 32a
Roller surface to vertical top (+Z) leave as defined in fold detection height H height and position on receive light beam LB mode propped up
Bearing member (illustration omitted) is fixed.Therefore, as shown in the chain-dotted line in Fig. 2, according to make light beam LB from the light-emitting component of irradiation portion 5
On the surface of the 51 substrate S being wound in backing roll 33 and by way of the light receiving element 61 of incident acceptance part 6, fixed configurations have
Light-emitting component 51 and light receiving element 61.
Then, according to the instruction from control unit 2, irradiation portion 5 is to 6 illumination beam LB of acceptance part.On the other hand, light
Portion 6 receives the light beam LB irradiated from irradiation portion 5, and exports signal corresponding with its light income to control unit 2.Then, it controls
Unit 2 carries out fold detection based on the variation of the light income.
As shown in figure 3, control unit 2 has the storage of the arithmetic processing section 21 being made of CPU etc. and storage program etc.
Portion 22.Arithmetic processing section 21, come each portion of control device, carries out the painting to substrate S according to the program being stored in advance in storage unit 22
Cloth processing.In particular, substrate Sb is connect with substrate Sa to form the company of long ribbon shape when the substrate surplus in raw material 311a is reduced
Continuous body and when being coated processing as substrate S, the variation based on the light income by the received light beam LB of acceptance part 6 come
The generation for detecting the fold W on substrate (non-individual body) S controls the movement of pump 132 based on its testing result to control coating fluid
Supply or stop supply, and control what nozzle moving mechanism 14 made nozzle 12 in fold W by coating fluid supply position P2
During be moved to disengaged position from coating fluid supply position P2 and keep out of the way.In this way, arithmetic processing section 21 is used as this hair
Bright " fold test section ", " supply control part " and " nozzle location control unit " functions.
As described above, in the present embodiment, it can be by the combination of irradiation portion 5 and acceptance part 6, on the P3 of middle position
Optics and it is non-contact in the state of accurately detect and connect by the rear end Sar of substrate Sa and with the front end Sbf of material Sb
The fold W formed in substrate made of connecing (non-individual body) S.
In addition, the detection based on fold W, makes nozzle 12 pass through the ejiction opening with nozzle 12 on backing roll 33 in fold W
Keep out of the way disengaged position in a period of opposite coating fluid supply position P2.Therefore, nozzle 12 and fold W can be prevented securely from
Between interference.In addition, in this case, stop the region supply coating fluid that the formation on substrate surface has fold W, thus
It can prevent the waste of coating fluid.
As a result, in the first embodiment, substrate Sa, Sb is respectively equivalent to " first base material " and " the second base of the invention
One example of material ".In addition, carrying roller 32a is equivalent to an example of " backing roll " of the invention.In addition, Z-direction is equivalent to
" orthogonal direction with the rotating shaft direct cross of backing roll " of the invention.
It should be noted that in the above-described embodiment, engaging substrate S with carrying roller (backing roll) 32a to wrinkle
The detection of W is rolled over, but in fold detection, precondition is that the surface of substrate S and carrying roller 32a is touched.This is because if base
Material S floats from the roller surface of carrying roller 32a, then light beam LB is floated partial occlusion.Therefore, in order to prevent substrate S from carrying roller
The roller surface of 32a floats, as carrying roller 32a, it is preferable to use being provided with multiple slots in the roller surface region engaged with substrate S
Grooved roller (Groove roller), be provided in the roller surface region adsorption roller of multiple adsorption holes or by rubber component
Cover the rubber rollers in the roller surface region.
In addition, in the above-described embodiment, light-emitting component 51 is fixed with light receiving element 61 by supporting member.Therefore, if removing
The eccentric of roller 32a is sent to increase, then the apparent height of the substrate S on the vertical direction Z at the P3 of middle position is also periodically big
Amplitude variation, the influence may cause the generation of error detection.Therefore, in order to inhibit the influence caused by the bias by carrying roller 32a,
Irradiation portion 5 and acceptance part 6 can configure as follows.Hereinafter, will illustrate second embodiment of the present invention referring to Fig. 5.
Fig. 5 is the schematic diagram of the structure of the irradiation portion used in the second embodiment for show apparatus for coating of the invention.
The structure that the difference is that only irradiation portion 5 and acceptance part 6 of the second embodiment and first embodiment, other structures and
It acts identical with first embodiment.Therefore, hereinafter, mainly illustrating difference, identical attached drawing is assigned to identical structure
It marks and omits the description.
By supporting member (illustration omitted) by 51 fixed configurations of light-emitting component in the irradiation portion 5 used in first embodiment
In defined height and position, and it is provided with luminous holding mechanism 52 in the irradiation portion 5 used in second embodiment, makes to send out on one side
The height and position of optical element 51 is displaced holding light-emitting component 51 on one side with the bias of carrying roller 32a on vertical direction Z.Such as
Shown in Fig. 5, which, which has, is engaged and with the roller surface of the one end 32a1 of carrying roller 32a relative to carrying roller
Two rotating rollers 521,521 of 32a driven rotation.Rotating roller 521,521 is separated from each other in the Y direction and is kept by emission side
Component 522 is pivotally supported to be freely rotatable, and carries out driven rotation with the spinning movement of carrying roller 32a.
As shown in figure 5, light-emitting component 51 is sandwiched centre according to by rotating roller 521,521 by emission side holding member 522
Mode keeps light-emitting component 51.In addition, from two spring members 523,523 to direction, the i.e. (- Z) towards carrying roller 32a
Direction force in the state of, emission side holding member 522 be supported to can relative to device frame FL on vertical direction Z from
By moving.Therefore, the rotating roller 521,521 being pivotally supported by emission side holding member 522 is under the force of spring member 523,523
It presses the roller surface of carrying roller 32a and steadily abuts.
Herein, the case where eccentric state shown in column (a) from Fig. 5 becomes eccentric state shown in column (b) of Fig. 5
Under, i.e., cause carrying roller 32a to above vertical, in the case that i.e. the direction (+Z) is displaced in the bias of carrying roller 32a, rotating roller
521,521, emission side holding member 522 and light-emitting component 51 are oneed while resisting the spring force of spring member 523,523
It is moved upward to body without changing the relative positional relationship with carrying roller 32a.On the contrary, the bias shown in column (b) from Fig. 5
In the case that state becomes eccentric state shown in column (a) of Fig. 5, i.e., cause carrying roller 32a to lead in the bias of carrying roller 32a
The side of hanging down, i.e. in the case where the displacement of the direction (- Z), rotating roller 521,521, emission side holding member 522 and light-emitting component 51 are logical
The spring force for crossing spring member 523,523 integrally moves downwards without changing the relative positional relationship with carrying roller 32a.Cause
This, light-emitting component 51 can (+Z) leaves defined fold detection height H's above vertical in the roller surface from carrying roller 32a
On height and position on width direction X illumination beam LB, without being influenced caused by the bias by carrying roller 32a.
In addition, although not shown, being also equipped in acceptance part 6 has structure identical with above-mentioned luminous holding mechanism 52
Light holding mechanism, by light holding mechanism sensitive side holding member keep light receiving element 61.Therefore, light receiving element 61
Can in the roller surface from carrying roller 32a above vertical (+Z) leave as defined in fold detection height H height and position on receive
Light beam LB, without being influenced caused by the bias by carrying roller 32a.Therefore, the eccentricity of carrying roller 32a it is whether smaller or compared with
When big, light beam LB can be made to irradiate always along the surface of substrate (non-individual body) S, and the variation based on the light income is stable and high-precision
Degree ground detection fold W.
As described above, in this second embodiment, the rotating roller 521,521 for the holding mechanism 52 that shines is equivalent to of the invention
" emission side rotating roller " example, the rotating roller of light holding mechanism are equivalent to one of " sensitive side rotating roller " of the invention
Example.In addition, vertical direction Z is equivalent to " orthogonal direction " of the invention.
It should be noted that the present invention is not limited to above-mentioned embodiment, without departing from the spirit of the invention,
It can carry out various changes apart from the above.For example, in said embodiment, with removing for the outside that is configured at uncoiling portion 31
Roller 32a is sent to be arranged in correspondence with irradiation portion 5 and acceptance part 6 to carry out fold detection, but can also be with other rollers 318a, 318c, 32b
Fold detection is carried out etc. irradiation portion 5 and acceptance part 6 is arranged in correspondence with.
In addition, in the above-described embodiment, using the metal film of collector as substrate S and using active material
Electrode for cell, but the material of the substrate as applicable object of the invention and coated film (coating fluid) are produced as coated film
It is without being limited thereto, it can be arbitrary.
Present invention can apply to connect the front end of the second substrate of strip and the rear end of the first base material of strip
Non-individual body made of connecing transports along transport path and to be formed all paintings of coated film on non-individual body from nozzle supply coating fluid
Cloth technology.
Claims (7)
1. a kind of apparatus for coating transports non-individual body along transport path and supplies coating fluid from nozzle on coating fluid supply position
Coated film is formed on the non-individual body, which is second by the rear end of the first base material of strip and strip
What the front end of substrate was formed by connecting on link position, which is characterized in that the apparatus for coating includes
Backing roll, in the interposition between the coating fluid supply position and the link position in the transport path
It sets, engaged with the non-individual body transported along the transport path and supports the non-individual body；
Irradiation portion, along the surface illumination beam of the non-individual body supported by the backing roll；
Acceptance part is configured across the non-individual body and the irradiation portion in opposite directions to receive the light beam；And
Fold test section is detected on the non-individual body based on the variation of the light income by the received light beam of the acceptance part
Fold generation.
2. apparatus for coating according to claim 1, which is characterized in that
The irradiation portion includes light-emitting component, irradiates the light beam from the one end side of the backing roll to the other end side；With
And luminous holding mechanism, the light-emitting component is kept on one side, is engaged on one side in the one end of the backing roll with roller surface, and
It will be maintained at a distance from from the roller surface to the light-emitting component on the orthogonal direction of the rotating shaft direct cross of the backing roll
Fold detection height,
The acceptance part includes light receiving element, receives the light beam；And light holding mechanism, the light member is kept on one side
Part is engaged in the other end of the backing roll with the roller surface on one side, and will be from the roller table on the orthogonal direction
The distance of face to the light receiving element maintains the fold detection height.
3. apparatus for coating according to claim 2, which is characterized in that
The luminous holding mechanism includes emission side rotating roller, connects with the roller surface of the one end of the backing roll
Merging is driven in the backing roll and is rotated；And emission side holding member, it keeps the light-emitting component and shines described
The bearing of sidespin transfer roller can move freely for that can rotate freely on the orthogonal direction,
The light holding mechanism includes sensitive side rotating roller, the roller surface with described the other end of the backing roll
It engages and is driven in the backing roll and is rotated；And sensitive side holding member, keep the light receiving element and will be described
The bearing of sensitive side rotating roller can move freely for that can rotate freely on the orthogonal direction.
4. apparatus for coating according to any one of claim 1 to 3, which is characterized in that
The backing roll is to be provided with the grooved roller of multiple slots, in the roller surface in the roller surface region engaged with the non-individual body
Region is provided with the adsorption roller of multiple adsorption holes or covers the rubber rollers in the roller surface region by rubber component.
5. apparatus for coating according to any one of claim 1 to 3, which is characterized in that
The apparatus for coating includes nozzle location control unit, when detecting the generation of fold by the fold test section,
During the fold passes through the coating fluid supply position, keep out of the way the nozzle from the coating fluid supply position.
6. apparatus for coating according to claim 5, which is characterized in that
The apparatus for coating includes supply control part, during the nozzle is kept out of the way from the coating fluid supply position, stops
Only the coating fluid is supplied from the nozzle.
7. a kind of coating method transports non-individual body along transport path and supplies coating fluid from nozzle on coating fluid supply position
Coated film is formed on the non-individual body, which is second by the rear end of the first base material of strip and strip
What the front end of substrate was formed by connecting on link position, which is characterized in that the coating method includes:
The non-individual body transported along the transport path is set to supply position with the coating fluid being configured in the transport path
Set the process that the backing roll between the link position engages and is supported on the backing roll；
Along the surface of the non-individual body supported from the backing roll from the one end side of the backing roll to the other end side
Illumination beam, and flanked in described the other end of the backing roll and receive the light beam and the light income of seeking the light beam
Process；And
The process of the generation of the fold on the non-individual body is detected based on the variation of the light income of the light beam.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018047807A JP6974223B2 (en) | 2018-03-15 | 2018-03-15 | Coating equipment and coating method |
| JP2018-047807 | 2018-03-15 |
Publications (2)
| Publication Number | Publication Date |
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| CN110270470A true CN110270470A (en) | 2019-09-24 |
| CN110270470B CN110270470B (en) | 2021-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910193372.3A Active CN110270470B (en) | 2018-03-15 | 2019-03-14 | Coating device and coating method |
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| Country | Link |
|---|---|
| JP (1) | JP6974223B2 (en) |
| KR (1) | KR102184054B1 (en) |
| CN (1) | CN110270470B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116698859A (en) * | 2023-08-04 | 2023-09-05 | 常州恒锌禹晟智能装备股份有限公司 | Lithium battery aluminum foil carbon-coated CCD opposite side detection device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113295654B (en) * | 2021-03-31 | 2022-09-27 | 济南利君机械设备有限公司 | Utilize printing opacity principle and prevent film light stabilizer detection device of fold |
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| US5154951A (en) * | 1990-03-26 | 1992-10-13 | Eastman Kodak Company | Method and apparatus for use in bead coating a web with liquid composition |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2019155305A (en) | 2019-09-19 |
| KR102184054B1 (en) | 2020-11-27 |
| CN110270470B (en) | 2021-10-26 |
| JP6974223B2 (en) | 2021-12-01 |
| KR20190109217A (en) | 2019-09-25 |
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