CN103706513B - For viscous material layer to be applied to the functional element to substrate, apparatus and method - Google Patents
For viscous material layer to be applied to the functional element to substrate, apparatus and method Download PDFInfo
- Publication number
- CN103706513B CN103706513B CN201310446342.1A CN201310446342A CN103706513B CN 103706513 B CN103706513 B CN 103706513B CN 201310446342 A CN201310446342 A CN 201310446342A CN 103706513 B CN103706513 B CN 103706513B
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- Prior art keywords
- functional element
- substrate
- passing away
- nozzle
- outlet opening
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Classifications
-
- 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
- B05C5/0208—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 separate 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
- 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
-
- 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
- B05C5/0258—Coating heads with slot-shaped outlet flow controlled, e.g. by a valve
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2203/00—Other substrates
- B05D2203/30—Other inorganic substrates, e.g. ceramics, silicon
- B05D2203/35—Glass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2252/00—Sheets
Landscapes
- Coating Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The present invention relates to a kind of device for being used to be applied to adhesive using functional element in substrate, the functional element, which has, multiple terminates in outlet opening（10）In passing away（11）, the passing away causes the flow resistance for acting on adhesive respectively, and described device is characterised by, the functional element includes being used to influence the connection opening of the functional element and the passing away（11）The outlet opening（10）Between flow resistance at least one construction.
Description
Technical field
It is used to applying viscous material layer into functional element/application element/smearing member to substrate the present invention relates to a kind of
Part, apparatus and method, it is especially a kind of to be used to apply bonding material layer or optical adhesive to by glass or plastics system
Into flat face on method.A kind of moreover, it relates to blank.
Background technology
For example, when manufacturing instruction system, generally the flat layer of adhesive is applied to made of glass or plastics
In substrate.Difficulty herein is, desired precision is realized in terms of the size of adhesive phase.
The content of the invention
Therefore, it is an object of the present invention to be modified to applying viscous material layer into functional element, device to substrate
And method.
By according to the present invention for cohesive material is applied in substrate functional element, for cohesive material to be applied
The device or the method for viscous material layer to be applied in substrate being added in substrate realize the purpose.The functional element bag
Include：A. at least one interface channel terminated in connection opening, more passing aways terminated in outlet opening of b. are described
Passing away is connected by junction chamber and interface channel flowing, and c. is between connection opening and each outlet opening
Effect has flow resistance on cohesive material in region, and d. functional elements include being used for the connection opening and discharge to functional element
At least one construction that flow resistance between the outlet opening of passage is influenceed, e. passing aways are at the middle part of functional element
Length in region is more than length of the passing away in the fringe region of functional element, and passing away described in f. has
0.1mm2To 0.3mm2In the range of flow cross section, g. outlet openings are relative to each other between 0.3mm to 1cm scope
Away from arrangement.Described device includes：At least one metering units of cohesive material for measuring are provided and at least one are used for
Foregoing functional element cohesive material being directed in substrate to be coated.Methods described comprises the following steps：A. provide and treat
The substrate of coating, b. provide the apparatus according to the invention, and the material to be applied of scheduled volume is applied to by c. by means of described device
In substrate, d. wherein, makes material be discharged with predetermined pressure distribution from different outlet openings.
The core of the present invention is, applies (material) layer using a kind of wide nozzle, the nozzle has multiple discharges
Passage, the passing away have outlet opening.Here, nozzle includes at least one construction/technological means for influenceing flowing, borrow
The pressure of material to be applied in outlet opening region can targetedly be influenceed by helping the construction.
Influence especially a kind of construction for being used to influence passing away flow resistance of construction of flowing.Influence the construction of flowing
Targetedly matching and change of the geometrical property of passing away on the width of nozzle can be particularly, especially in nozzle
Width on the length of passing away and/or the targetedly matching of cross section., can be logical in discharge alternately or additionally in this
In the region of road upstream, one or more influence flowings are especially arranged in nozzle interior and the cup of passing away adjoining
Construction.
It can especially be realized by influenceing the flow resistance between the connection opening of nozzle and its outlet opening, be opened in discharge
Reach the pressure distribution of determination in the region of mouth.It can especially realize, pressure distribution is constant on the whole width of nozzle.
So as to realize the uniform discharge of cohesive material on the width of nozzle.It is possible thereby to improve to be applied to the essence of the layer in substrate
Degree.
According to an aspect of the present invention, the outlet opening of nozzle is so closely adjacent, i.e., is come out from the outlet opening
Material to be applied single beam its from nozzle out after --- but especially on substrate is applied to it
Before --- converge.In other words, material is flowed with continuous material beam, is especially flowed with the beam of waterfall shape or curtain shape
To substrate.Thus the uniformity of the thickness of layer to be applied is also improved.
Due to multiple passing aways be present, so material to be applied can extremely accurately and/or neatly be influenceed in nozzle
Discharge on whole width.Therefore especially realize and significantly improve the application of the layer of uniform thickness.
When being already applied in substrate, layer to be applied especially transversely --- that is in the width B of nozzle
It is upper --- there is uniform or at least substantially uniform thickness.The deviation of thickness transversely above determine and average is especially
It is up to 10%, is especially up to 1%, is especially up to 0.1%.Therefore, can be with high accuracy using the method according to the invention
The layer is applied in substrate.
After being applied, the layer has in the range of 0.03mm to 3mm, especially in 0.05mm to 1mm's
In the range of, the thickness especially in the range of 0.1mm to 0.5mm.Therefore, can especially be incited somebody to action using the method according to the invention
Very thin layer is applied in substrate.
According to the one side of methods described, when material is applied in substrate, nozzle of the layer in metering units
There is predetermined thickness in region between substrate.The thickness edge is perpendicular to the direction of transverse direction towards side in the whole of nozzle
It is decreased to zero on individual width, and the thickness of the layer is substantially constant in opposite direction.Therefore, the layer is being applied
In addition there is at least as uniform as possible thickness, i.e., precisely desired thickness immediately after.Especially it is not formed in application material
When released before nozzle, the ripple that applies material.Hence improve the precision of thickness.
The quantity of outlet opening is at least 10, particularly at least 30, particularly at least 50.The outlet opening is outstanding
It is to arrange at regular intervals, that is to say, that is arranged equally spaced relative to each other.The outlet opening of logical excessive amount can enter one
Step improves the precision.The quantity of outlet opening can be until 100, especially until 200, especially until 300, especially
Until 500, especially until 1000, especially until 2000, especially until 3000, especially until 5000, especially directly
To 10000.The quantity can also be bigger in principle.In principle, the quantity of outlet opening and the width of nozzle are relevant.Discharge is opened
The line density of mouth is especially in 0.1mm-1To 10mm-1In the range of, especially in 0.3mm-1To 3mm-1In the range of.
The width of nozzle, that is to say, that its extension transversely, and the corresponding quantity of outlet opening preferably can be with
The width matching of substrate to be coated.Therefore, nozzle is advantageously what can be changed.
Passing away has in 0.05mm2To 1mm2In the range of, especially in 0.1mm2To 0.3mm2In the range of
Flow cross section.It is especially designed as capillary.Viscosity of its diameter especially with the material with making coatings matches.It is especially such
The passing away is designed, i.e., when its coated material loads, is existed over the whole length substantially in the passing away
Uniform pressure.
Being present in pressure in passing away, especially in the region of outlet opening can be by means of metering units control
System.The pressure is particularly in the range of 0.15MPa to 2MPa, is particularly in the range of 0.2MPa to 1MPa.
According to another aspect of the present invention, when applying material, nozzle moves relative to the substrate along moving direction.
The nozzle especially moves at a predetermined rate.The moving direction especially favours, and is preferably perpendicular to the transverse direction.
Viscosity and desired thickness especially in accordance with coating material so select the relative motion between nozzle and substrate
Speed, i.e., when apply material to substrate on when, region of the thickness between nozzle and substrate along moving direction monotonously
It is decreased to zero.Especially material ripple is not produced in the region before being located at nozzle along moving direction.Thus also improve
Precision in terms of the thickness of layer to be applied.
Especially true design nozzle, i.e., all outlet openings are in a plane.They are more particularly along straight line
Arrangement.In addition, being arranged so as to nozzle, i.e., the plane of described outlet opening extends parallel to the surface of substrate to be coated.Therefore,
All outlet openings have the identical spacing away from substrate.
At least one limitation dam (Begrenzungs- can advantageously be applied on the substrate before material is applied
Damm).Especially for larger thickness, especially when thickness is more than 0.5mm, during especially greater than 1mm, during especially greater than 3mm,
It is favourable to limit dam.When thickness is smaller, especially when thickness is less than 1mm, during especially less than 0.5mm, especially less than 0.3mm
When, the limitation dam can also be not provided with during especially less than 0.1mm.It is applicable in principle to be：Coating material viscosity to be applied
Bigger, the layer that can apply in the case of no limitation dam is thicker.Can be especially along lateral by limiting dam, that is to say, that
Perpendicular to transverse direction, and preferably also parallel with laterally limiting region to be coated.Here, limitation dam preferably has defined chi
Very little, especially predetermined cross section, especially predetermined height.Limit thickness of the height on dam especially at least with layer to be applied
It is equally big.In principle, limitation dam can also have the height smaller than layer to be applied.The dam preferably exactly with it is to be applied
Layer it is equally high.
Layer to be applied is especially by adhesive phase.Adhesive especially has a kind of refractive index, and the refractive index is glued with waiting
The component matching of conjunction.
Material to be applied especially has in 1mPas to 104In the range of mPas, especially in 300mPas extremely
In the range of 3000mPas, especially in the range of 500mPas to 2000mPas, especially in 800mPas extremely
Viscosity in the range of 1200mPas.
Realized using the apparatus according to the invention and particularly precisely layer is applied in substrate.Especially realize, pole
The layer of preliminary dimension, the especially layer with predetermined thickness are accurately applied in substrate by it.
It is another object of the present invention to be modified to the blank of multilayer-indication piece.The purpose is also by for indicating
The blank of device realizes that the blank includes：A. substrate, b. are arranged in the adhesive phase in substrate, and layer described in c. is by means of basis
The method of the present invention is applied in substrate.
The advantages of blank, corresponds to described above.
Brief description of the drawings
Further advantage, feature and the details of the present invention is obtained by the description with reference to the accompanying drawings to embodiment.Accompanying drawing is shown:
Fig. 1 schematically show it is according to an embodiment of the invention, for adhesive to be applied in substrate
Device,
Fig. 2 schematically shows the cross section that the layer in substrate is applied to according to the method not according to the present invention,
Fig. 3 is schematically shown is applied to the cross section of the layer in substrate at the time point of smearing,
Fig. 4 schematically shows the cross section that the layer in substrate is applied in later time point,
Fig. 5 shows functional element according to the present invention, for being applied to adhesive in substrate with front view,
Fig. 6 to have an X-rayed the functional element illustrated according to Fig. 5,
Fig. 7 shows the functional element according to Fig. 5 along line VII-VII,
Fig. 8 shows the partial enlarged drawing of region VIII in Fig. 7,
Fig. 9 shows the matrix of the functional element according to Fig. 5,
Figure 10 to 13 shows the matrix according to Fig. 9 along line X-X, XI-XI, XII-XII and XIII-XIII,
Figure 14 shows region XIV partial enlarged drawing, and
Figure 15 to show other details of the passing away of nozzle according to Fig. 9 visual angle,
Figure 16 schematically shows a kind of exemplary result of analogy method, and the analogy method is used to simulate in nozzle
Outlet opening region in pressure distribution in adhesive, and
Figure 17 is that have point of the matching of the length of passing away according to another diagram of Fig. 5 nozzle, the nozzle
Cloth.
Embodiment
A kind of metering device 1 is described first, it is used to applying adhesive 2 with measuring to substrate 3, such as glass plate or
On person's plastic plate, especially on liquid crystal display (LCD Liquid Crystal Display).
The metering device 1 includes being used to measure the metering units 4 that ground provides adhesive 2.In the accompanying drawings only symbolically
Metering units 4 are shown.The metering units include the container for adhesive 2, produced for producing the pressure of prespecified pressure
Raw element and the control device for controlling the pressure.
Metering units 4 are connected in a manner of flowing and connecting with being designed as the functional element of nozzle 5, and the functional element is used to draw
Adhesive 2 is led to substrate 3.Nozzle 5 has interface channel 6 for this, and the interface channel terminates on the side towards metering units 4
In connection opening 7.By means of metering units 4 prespecified pressure p can be loaded with to the interface channel 6 of nozzle 50Bonding
Agent 2.Pressure p in the region inner binder 2 of connection opening 7 in the region of nozzle 50150kPa is particularly in 300kPa
In the range of.
The especially automatic meter of metering units 4.
It is preferred that one can be arranged in the region for into the connecting portion of nozzle 5, especially connecting opening 7 from metering units 4
Filter 8.
Metering units 4 are connected by interface channel 6 with transition chamber 9.Transition chamber 9 is fully disposed in the inside of nozzle 5.Cross
Crossing room 9 can especially be arranged in a manner of angled relative to interface channel 6.In the embodiment show in figure 6, transition chamber 9 is with connecting
Connect the angle that road 6 forms about 30 °.Angle between transition chamber 9 and interface channel 6 is typically in the range of 0 ° to 60 °, especially
It is to be in the range of 10 ° to 45 °, is particularly in the range of 15 ° to 35 °.
Transition chamber 9 is passed through in a discharge cup 20 on the side that its back channel connection 6 is set.
Discharge cup 20 is passed through multiple passing aways 11 in outlet side.Therefore, discharge cup 20 formed a junction chamber with
In the connection of interface channel 6 or transition chamber 9 and passing away 11.Passing away 11 has outlet opening 10 respectively in outlet side.
Passing away 11 is so designed that：There is uniform pressure p i.e. in passing away in adhesive 2a.The passing away is especially set
It is calculated as capillary, that is to say, that there is small cross section.Passing away 11 hereinafter will be clarified in more detail.
Discharge cup 20 is covered by cover piece 16 completely.
Discharge cup 20 preferably has volume as small as possible.Thus avoid assembling larger amount of adhesive in nozzle 5
2.The volume of discharge cup 20 is especially less than 100ml, especially less than 30ml, especially less than 10ml.
Discharge cup 20 has streamwise --- that is from transition chamber 9 to passing away 11 --- width of increase
Degree.In order to compensate the increase of the flow cross section contacted with this at least in part, discharge cup 20 can have streamwise
The depth of reduction, that is to say, that the free width of reduction.Herein it is possible that discharge cup 20 is designed as having in nozzle 5
Width on constant depth.But it can also will discharge cup 20 and be designed as with the depth changed on the width of nozzle 5.
It is possible thereby to influence to discharge the flow resistance in cup 20.In other words, the geometry designs scheme of cup 20 is discharged, is especially sprayed
The geometry designs scheme of bottom wall matrix 21, being abutted with discharge cup 20 of mouth 5 forms the connection for influenceing in nozzle 5
The construction of flow resistance between opening 7 and passing away 11.It is particularly likely to, in the area with the direct neighbor of passing away 11
Cup 20 is discharged in domain to be designed as with profile structure.It can be designed as herein, discharge cup 20 is in the central region of nozzle 5
With the free height smaller than in edge region.Discharge cup 20 can especially have following cross section：This is transversal
Face is designed at least as on side as spill.The cross section of discharge cup 20 especially can be flat-spill or concave curved-
Spill.The shape of the limiting unit of the spill preferably can by conic section (Kegelschnitt), especially by ellipse
Circle or parabola description.
It especially has cross section constant on its length l.Cross section is preferably at most 0.3mm2, it is especially maximum
For 0.15mm2.The cross section especially identical of each passing away 11, that is to say, that different passing aways all has identical
Cross section.
However, passing away 11 has different length l.Such as finding out Fig. 9, at the middle part of nozzle 5
Passing away 11 in region has length lm, and the passing away 11 in the fringe region of nozzle 5 has length lr, length
lmMore than length lr.In the embodiment show in figure 9, ratio lm:lrAbout 2, in the range of it generally lies in 1.1 to 3, especially
It is to be in the range of 1.5 to 2.5.The length l of passing away 11 distribution can pass through conic on the width B of nozzle 5
Line, describe especially by oval or parabola.
Its flow resistance can be influenceed by the length l of passing away 11.Passing away 11 and tool with greater depth l
The passing away 11 for having smaller length l, which is compared, has the bigger flow resistance of adhesive 2.Therefore, the length l shapes of passing away 11
Into the construction for influenceing flowing, in particular for influenceing the construction of flow resistance.According to present invention has recognized that, by spraying
The pressure of the adhesive 2 in the region of outlet opening 10 can be influenceed by suitably changing the length l of passing away 11 on the width B of mouth 5
Power is distributed.What is be particularly likely to is：The so length l of selection passing away 11 distribution：So that in the area of whole outlet opening 10
Pressure in domain inner binder 2 is identical.It is possible thereby to realize the uniform outflow of adhesive.
Replacement and/or additional construction as the flow resistance for influenceing passing away 11, can make passing away
11 have different cross sections.What is be particularly likely to is：Make all passing aways 11 with equal length l with different transversal
Face.In this case, cross section of the passing away 11 in the central region of nozzle 5 is less than passing away 11 in the both sides of nozzle 5
Cross section in region.
It is further possible that：By influenceing to flow on the matching for discharging cup 20 in the region abutted with passing away 11
Dynamic resistance.In other words, the unsupported width of discharge cup 20 that is, cross section form the construction for influenceing flow resistance.Most
Afterwards also possibly：In cup 20 is discharged, being arranged especially in the region abutted with passing away 11 individually influences stream
Dynamic construction.Such as it is contemplated that porous structure, can influence flow resistance by the structure.This structure can be especially with energy
The mode of replacing is arranged in discharge cup 20.
Certainly, any combination of the construction of aforementioned affect flowing is all feasible.
It is additionally possible that：Passing away 11 is designed as with the cross section changed on its length l.Thus can also
The flow behavior of adhesive 2 is influenceed, especially influences the flow resistance of passing away 11.
Passing away 11 especially has in 0.05mm2To 1mm2In the range of, especially in 0.1mm2To 0.3mm2Model
Enclose interior flow cross section.
According to the present invention, the different spray nozzles 5 with different size passing aways 11 are provided for different sticky adhesives 2.
Nozzle 5 is especially connected in a manner of it can provide for simple replacement of with metering units 4.
The quantity of outlet opening 10 is at least 10, particularly at least 30, particularly at least 50.It can be especially
More than 100, particular more than 200.
Outlet opening 10 is preferably arranged equally spaced relative to each other.It is especially with 0.3mm to 1cm scope, especially
It is the spacing d arrangements in 0.5mm to 2mm scope.It is arranged more particularly along straight line.It preferably has rectangle, especially
It is square or circular, the especially shape of annular.
Substrate 3 and the especially true design of nozzle 5 and arrange relative to each other, i.e., when adhesive 2 is applied into when institute in substrate 3
There is the spacing of outlet opening 10 and substrate 3 apart all identical.When adhesive 2 is applied in substrate 3, outlet opening 10 to base
The spacing at bottom 3 is especially slightly larger than thickness to be achieved.When adhesive 2 is applied in substrate 3, outlet opening 10 is away from substrate
3 spacing is especially bigger 0.01mm than desired thickness to 1mm, and especially big 0.05mm to 0.5mm, especially big 0.08mm is extremely
0.12mm.When adhesive 2 is applied in substrate 3, the ratio of spacing (with thickness) of the outlet opening 10 away from substrate 3 is especially
It is up to 2, is especially up to 1.1, is especially to be up to 1.01, is especially to be up to 1.001.
For example, nozzle 5 is made up of plastics, aluminium or stainless steel.Nozzle 5 can have the surface through processing.It is especially
Can be fluffing or with profile structure.It especially has predetermined surface roughness.Thus can also influence to glue
The flow behavior of mixture 2.It especially can be to control milling (CNC-gefraest) by computer.It has matrix
21, the matrix has the cover piece 16 being threadedly coupled therewith.Thus the cleaning of nozzle 5, especially passing away are especially a simplified
11 cleaning.In addition, it thereby simplify the manufacture of nozzle 5.
Seal 22 is disposed between cover piece 16 and matrix 21.Seal 22 is designed as the layer of plane.Itself and cover piece 16
Shape match.Seal 22 especially abuts on cover piece 16 by entire surface.Instead of this likely：Seal 22 is only
In one week, in the region of circumference closing, that is, along the anterior of nozzle 5 in the region of the boundary edge 23 of matrix 21
Border seamed edge arrangement.By means of seal 22 can prevent adhesive 2 undesirably along lateral spilling.By means of seal
22 especially it is ensured that adhesive 2 is only discharged from the outlet opening 10 of nozzle 5.
Cover piece 16 is tightened particularly by the boundary edge 23 of multiple bolts 24 and matrix 21.In addition can be designed as,
Cover piece 16 is tightened by multiple bolts 24 for being arranged as abreast forming a line with outlet opening 10.Hence improve nozzle
The mechanical stability of 5 --- especially cover pieces 16 ---.
In order to improve mechanical stability and in order to influence the flow behavior of the adhesive 2 in cup 20 is discharged, for
The bolt that cover piece 16 and matrix 21 are tightened is passed through in the region of discharge cup 20 to the element 25 for being provided with island.The member of the island
Part 25 has lenticular cross section.It is possible thereby to it is effectively avoided the formation of vortex.It is respectively arranged in the element 25 of island
For receiving the screw thread 26 of bolt 24.
Nozzle 5 especially has nozzle head 12, and the nozzle head has trapezoidal section.It transversely has in 1cm to 100cm
In the range of, especially in the range of 2cm to 50cm, the width B especially in the range of 4cm to 25cm.
Nozzle 5 can be positioned by means of the location equipment 13 only symbolically shown in the accompanying drawings relative to substrate 3.It is especially
It is that can be moved relative to substrate 3.Nozzle 5 can especially move along direction 27 by means of location equipment 13 and be moved relative to substrate 3
It is dynamic.Transverse direction of the moving direction 27 in particular transverse to --- being preferably perpendicular to --- nozzle 5.Location equipment 13 can preferably have
Control unit, positioning of the nozzle 5 relative to substrate 3 can be controlled by means of described control unit, especially control nozzle 5 away from substrate
3 spacing and/or translational speed.
Described below for by 2 layer of 14 method being applied in substrate 3 of adhesive.Adhesive 2 is the special of cohesive material
Example.Methods described is generally used for viscous material layer 14 being applied in substrate 3.The metering device being described above is provided first
1 together with adhesive 2 and substrate 3.Then, the adhesive 2 of scheduled volume is applied in substrate 3 by means of metering device 1.Here,
Adhesive is set to be discharged in multiple individually beams from the outlet opening 10 of nozzle 5.The quantity of beam especially just equivalent to
The quantity of the outlet opening 10 of nozzle 5.Size --- the especially flow cross section of passing away 1, especially outlet opening 10
And especially adjacent outlet opening 10 spacing d --- so with the viscosity of adhesive 2 and/or by means of metering units
Pressure p caused by 40Matching：Converge from the beam of single outlet opening 10 discharge before substrate 3 is expelled to.Institute
Beam is stated especially before striking in substrate 3 to have converged for the material beam of unique, continuous curtain formula.
Therefore, when applying in substrate 3, adhesive 2 has had uniformly or extremely on the whole width B of nozzle 5
Few thickness as uniform as possible.The deviations of thickness D transversely are especially up to the 10% of the average thickness of layer 14, especially most
Greatly the 1% of the average thickness of layer 14, especially it is up to the 0.1% of the average thickness of layer 14.When applying to substrate 3,
Adhesive 2 has surface texture 15 as uniform as possible, and it at most also simply has very small ripple.Preferably at most it is in application to base
When on bottom 3 existing surface texture 15 conflux-time T in be further compensated.
By means of can especially realize that adhesive 2 is uniform on the whole width B of nozzle 5 according to the nozzle 5 of the present invention
Ground is applied in substrate 3.With the scheme illustrated in Fig. 2 --- wherein adhesive is applied to a substrate with single beam
It is upper --- on the contrary, this results in the improvement of precision.In addition, with it is being illustrated in Fig. 2, not according to the solution of the present invention phase
Instead, by according to the present invention design, for influence nozzle 5 connection opening 7 and passing away 11 outlet opening 10 it
Between flow resistance constitution realization：Same amount of adhesive 2 is discharged from all outlet openings 10 of nozzle 5.
Conflux-time T is sticky related to adhesive 2.It is preferably in the range of 1 second to 20 seconds, is particularly at 3
In the range of second to 10 seconds.Anyway, conflux-time T is significantly shorter than adhesive 2 and hardens the required time.It is less than or equal to
Adhesive 2 hardens the 1/10 of required time, especially less than 1/50 equal to the time.
Metering units 4 are so controlled when adhesive 2 is applied in substrate 3：Make adhesive 2 with predetermined pressure paFrom
The outlet opening 10 of nozzle 5 is discharged.Pressure paLess than the pressure p in the region of connection opening 70.That especially suitable is pa：p0≤
1:1.5, especially pa：p0≤1:2, especially pa：p0≤1:3, especially pa：p0≤1:5.Pressure paIt is particularly at 100kPa
To 200kPa.
In order to which adhesive 2 is applied in substrate 3, nozzle 5 is by means of location equipment 13 relative to substrate 3 along moving direction
27 motions.Nozzle 5 especially obliquely, is preferably perpendicular to the transverse movement of nozzle 5 more particularly along predetermined track.Nozzle 5
Moved at a predetermined rate more particularly along moving direction 27.It can especially avoid, by adhesive along moving direction 27
Ripple is formed in the region before nozzle 5.Layer 14 has the dull thickness reduced especially since nozzle 5 along moving direction 27
Spend D.The thickness D of layer 14 reduces especially on the whole width B of nozzle 5 since nozzle 5 along moving direction 27 is dull, especially
It is until 0.
Before adhesive 2 is applied in substrate 3, it can design and at least one limitation dam 17 is applied in substrate 3.
Can the accurately prespecified region that adhesive 2 should be applied in substrate 3 by means of limiting dam 17.Limiting dam 17 can be outstanding
It is in side --- that is, in side and/or in front-end and back-end, preferably circumferentially --- limit the region.To limiting dam 17
And it is applied to details in substrate 3 referring to DE 10 2,011 005 379 and DE 10 2,011 005 380.
It is especially used as manufacturing the blank of multilayer indication piece with 2 layer 14 of substrate 3 of adhesive.
Usually, the layer 14 with uniform thickness D can be extremely accurately applied to base using the method according to the invention
On bottom 3.Then, another substrate 3 can be applied on the layer 14.Substrate can be the substrate of glass for example for covering member
Or plastic-substrates.Relate to indicator, such as display or touch screen (touch panel).Especially for any
This substrate connection, the method according to the invention is favourable.Especially for the critically important application of high accuracy, this method
It is favourable.The manufacture of especially optical application, especially screen belongs to such.
The details of nozzle 5 and favourable embodiment are hereinafter described according to Figure 15 to 17.
Figure 15 illustrates the embodiment of nozzle head 12 correspond to the embodiment that shows in Fig. 9, herein with reference to right
The description of the embodiment shown in Fig. 9.
As having been described above, passing away 11 has length l in the central region of nozzle 5m, length lm
More than length l of the passing away 11 in the fringe region of nozzle 5r.In other words, passing away 11 has length l, the length
L is spent by constant part lrWith the part Δ l compositions changed on the width B of nozzle.Here, as being illustrated in Figure 15
Like that, the part Δ l changed on the width B of nozzle 5 length can be described by the envelope of ellipse.
This distribution of the length of passing away 11 is also simplifiedly referred to as elliptic systems or length on the width B of nozzle 5
Degree change corresponds to conic section, especially oval corresponding to one.
Oval envelope 28 especially has the first semiaxis ha1, it extends parallel to the row of outlet opening 10.First semiaxis
Length ha1The width B of nozzle 5 half can be especially exactly equal to：ha1=B/2.
In addition the length ha of the second semiaxis can be passed through2Oval envelope 28 is described.Second semiaxis ha2It is especially parallel
In the portrait orientation of passing away 11.Its length especially exactly corresponds to the passing away 11 in the central region of nozzle 5
Length lmWith the length l of the passing away 11 in the fringe region of nozzle 5rDifference：ha2=lm-lr.The first half can also be selected
The length ha of axle1More than the width B of nozzle 5 half.Especially suitable is：B/2≤ha1≤ 5B, especially B/2≤ha1≤
3B, especially B/2≤ha1≤ B, especially B/2≤ha1≤0.7B.Correspondingly, the length of the second semiaxis can also be selected in addition
ha2.Especially suitable is：0.01(lm-lr)≤ha2≤10(lm-lr), especially 0.3 (lm-lr)≤ha2≤3(lm-lr), especially
It is 0.5 (lm-lr)≤ha2≤2(lm-lr), especially 0.8 (lm-lr)≤ha2≤1.2(lm-lr)。
According to present invention finds pass through this oval point of the length l of passing away 11 on the width B of nozzle 5
Cloth or change can compensate the pressure drop in the lateral region of nozzle 5.Pass through the passing away 11 on the width B of nozzle 5
This length matching can especially realize：The adhesive 2 to be applied pressure in the region of the outlet opening 10 of nozzle 5 point
Cloth is constant.Adhesive 2 is especially discharged with constant pressure from the outlet opening of nozzle 5.
Generally it also found, nozzle 5 is wider, then the length ha of the second semiaxis2It must select bigger.The width B of nozzle 5
Especially it is in the range of 1cm to 300cm, is especially in the range of 3cm to 100cm, is especially in 10cm to 30cm model
In enclosing.
Additionally, it is observed that although bonded in the embodiment show in figure 15 in the region of the outlet opening 10 of nozzle 5
Pressure distribution in agent 2 is substantially uniform, especially constant, but still can further change for specific application
Enter.In order to optimize the distribution of lengths of the passing away 11 on the width B of nozzle 5, analogy method is especially devised.In this simulation
In method, it may be considered that under conditions of prespecified --- the viscosity of adhesive 2 especially at prespecified temperature with
The specific geometrical property of and matrix 21 --- especially discharging cup 20 ---.
Pressure of this simulation in particular for determination in the region of the outlet opening 10 of passing away 11 in adhesive 2
Distribution or the pressure distribution in its immediate region in the outside of nozzle 5 in adhesive 2.As that illustrated in Figure 16
Sample, the deviation of actual pressure distribution 29 and preferable, isobaric pressure distribution 30 can be found out by means of this simulation.As figure
As being illustrated in 16, such as this simulation can draw a kind of understanding, i.e., figure 15 illustrates, it is in nozzle 5
The distribution of lengths of passing away 11 result in the relatively over-pressed p in the central region of nozzle 5 on width B+And in nozzle 5
Negative relative p in lateral side regions-.In this case, can be from according to Figure 15's as being illustrated in Figure 17
Oval profile goes out to send to be matched to the distribution of lengths of the passing away 11 on the width B of nozzle 5.Therefore, it can amplify
In over-pressed p+Region in passing away 11 length l.It can shorten in low pressure p-Region in passing away 11 length l.By
The distribution shown in Figure 15 is particularly in the length l of passing away 11 matchings carried out in the range of maximum some millimeters.Its is outstanding
It is to be up to 5mm, is especially up to 3mm, is especially up to 1mm.It can be especially minimum with minimum 0.1mm
0.2mm, especially minimum 0.3mm, especially minimum 0.5mm.
Claims (14)
1. for the functional element (5) being applied to cohesive material (2) in substrate (3), including：
A. at least one interface channel (6) terminated in connection opening (7),
B. more passing aways (11) terminated in outlet opening (10), the passing away by junction chamber (20) with it is described
Interface channel (6) flowing connection,
C. effect has stream on cohesive material (2) in the region between connection opening (7) and each outlet opening (10)
Dynamic resistance,
D. characterized in that, functional element (5) includes being used for the connection opening (7) and passing away (11) to functional element (5)
Outlet opening (10) between at least one construction for being influenceed of flow resistance,
E. length (l of the passing away (11) in the central region of functional element (5)m) it is more than passing away (11) in effect member
Length (l in the fringe region of part (5)r),
F. the passing away (11) has in 0.1mm2To 0.3mm2In the range of flow cross section,
G. outlet opening (10) is relative to each other with the spacing (d) of 0.3mm to 1cm scope arrangement.
2. functional element (5) according to claim 1, it is characterised in that for the connection opening to functional element (5)
(7) at least one tectonic sieving that the flow resistance between the outlet opening (10) of passing away (11) is influenceed
Into so that pressure p be present in cohesive material (2) when being discharged from outlet opening (10)a, the pressure paIn different discharges
It is open identical in couples respectively in the region of (10).
3. functional element (5) according to claim 1 or 2, it is characterised in that opened for the connection to functional element (5)
At least one construction that flow resistance between mouth (7) and the outlet opening (10) of passing away (11) is influenceed is from such as
Selected in lower inventory：Length (l) that passing away (11) changes on the width (B) of functional element (5), passing away (11) exist
The horizontal stroke that the cross section that changes on the width (B) of functional element (5), junction chamber (20) change on the width (B) of functional element (5)
Section, the combination for individually influenceing arrangement and these alternatives of the construction of flowing in junction chamber (20).
4. functional element (5) according to claim 1 or 2, it is characterised in that the length (l) of the passing away (11)
Accordingly change with conic section on the width (B) of functional element (5).
5. functional element (5) according to claim 1 or 2, it is characterised in that the functional element (5) has matrix
(21) cover piece (16) and with the matrix being threadedly coupled.
6. functional element (5) according to claim 5, it is characterised in that the passing away (11) is in matrix (21)
In mill out.
7. functional element (5) according to claim 1 or 2, it is characterised in that the quantity of the passing away (11) is at least
For 10.
8. one kind is used for the device (1) being applied to cohesive material (2) in substrate (3), including：
A. it is used to measure at least one metering units (4) that ground provides cohesive material (2), and
B. it is at least one be used for by cohesive material (2) be directed to it is in substrate to be coated (3), according in claim 1-7 appoint
Functional element (5) described in one.
9. the method for being applied to cohesive material (2) layer (14) in substrate (3), comprises the following steps：
A., substrate to be coated (3) is provided,
B., device according to claim 8 (1) is provided,
C. the material to be applied of scheduled volume is applied in substrate (3) by means of described device (1),
D. wherein, material (2) is made to be discharged with predetermined pressure distribution from different outlet openings (10).
10. according to the method for claim 9, it is characterised in that make material (2) with identical pressure paFrom all discharges
Be open (10) discharge.
11. the method according to claim 9 or 10, it is characterised in that make material (2) be opened in single beam from discharge
Mouth (10) discharge, these beams converge for a continuous beam before on substrate (3) is struck.
12. the method according to claim 9 or 10, it is characterised in that when material (2) is applied in substrate (3), make
Obtaining has transversely uniform, fluctuation up to 10% thickness in region of the layer (14) between functional element (5) and substrate (3)
Degree.
13. the method according to claim 9 or 10, it is characterised in that when being applied in the substrate (3) so that layer
(14) thickness (D) moves along the dull reduction in direction (27) since functional element (5) and/or since functional element (5)
It is constant to be in reverse to moving direction (27).
14. for the blank of indicator, including：
A. substrate (3),
B. adhesive (2) layer (14) being arranged in substrate (3),
C. the layer (14) is to be applied to by means of the method according to any one of claim 9 to 13 in substrate (3)
's.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012217850 | 2012-09-28 | ||
| DE102012217850.3 | 2012-09-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103706513A CN103706513A (en) | 2014-04-09 |
| CN103706513B true CN103706513B (en) | 2018-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310446342.1A Active CN103706513B (en) | 2012-09-28 | 2013-09-26 | For viscous material layer to be applied to the functional element to substrate, apparatus and method |
Country Status (4)
| Country | Link |
|---|---|
| KR (1) | KR101703383B1 (en) |
| CN (1) | CN103706513B (en) |
| DE (1) | DE102013219628B4 (en) |
| TW (1) | TWI530330B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11850624B2 (en) | 2019-03-25 | 2023-12-26 | Medmix Switzerland Ag | Distributor head for a distributor apparatus and distributor apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706513B (en) * | 2012-09-28 | 2018-04-06 | 威亚光电子有限公司 | For viscous material layer to be applied to the functional element to substrate, apparatus and method |
| DE102013223164A1 (en) | 2012-11-16 | 2014-06-18 | Via Optronics Gmbh | Method for bonding two substrates used during manufacturing process of display device e.g. LCD device, involves attaching substrate in which second substrate is coated on binder, after binder is completely hardened |
| CN104001647A (en) * | 2014-06-03 | 2014-08-27 | 苏州桐力光电技术服务有限公司 | Liquid crystal module direct-bonding glue-water coating scraping knife |
| US10005097B2 (en) | 2014-11-05 | 2018-06-26 | 3M Innovative Properties Company | Die for coating suspensions with flow obstruction device and method of use |
| TWI595931B (en) * | 2015-11-05 | 2017-08-21 | 甲舜企業有限公司 | Material applicator |
| KR102119266B1 (en) * | 2017-11-17 | 2020-06-04 | 군산대학교 산학협력단 | Nozzle having resistance object for uniform flow in the polyurethane coating process |
| CN114555242B (en) * | 2019-11-26 | 2023-09-22 | 米其林集团总公司 | Adhesive tape mixing head with attachment for mixing applicator |
| CN110773359A (en) * | 2019-12-06 | 2020-02-11 | 湖南航天远望科技有限公司 | Aerostatics utricule rubber coating device and aerostatics utricule rubber coating robot |
| CA3228686A1 (en) * | 2021-09-02 | 2023-03-09 | Shane Xiufeng Peng | Applicators for high viscosity materials |
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| DE2720244A1 (en) * | 1976-05-21 | 1977-12-01 | Xerox Corp | Blade for applying paint to flat surfaces - has internal passageways to ensure even distribution and gap and hole dimensions ensure even paint flow |
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| DE19757678A1 (en) * | 1997-12-23 | 1999-06-24 | Voith Sulzer Papiertech Patent | Web coating applicator for paper or cardboard |
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| DE102011005380A1 (en) | 2011-03-10 | 2012-09-13 | Via Optronics Gmbh | Optoelectronic device e.g. solar module has outer limiting element which forms barrier for binder filled in intermediate space in main closed region at carrier element, in direction perpendicular to normal axis |
| DE102011005379A1 (en) | 2011-03-10 | 2012-09-13 | Via Optronics Gmbh | Optoelectronic device e.g. display screen, for converting electronic signals into light or vice versa, has delimitation element partially limiting intermediate space that is partially filled with bonding agent with certain viscosity |
| CN103706513B (en) * | 2012-09-28 | 2018-04-06 | 威亚光电子有限公司 | For viscous material layer to be applied to the functional element to substrate, apparatus and method |
-
2013
- 2013-09-26 CN CN201310446342.1A patent/CN103706513B/en active Active
- 2013-09-27 DE DE102013219628.8A patent/DE102013219628B4/en active Active
- 2013-09-27 KR KR1020130115313A patent/KR101703383B1/en active IP Right Grant
- 2013-09-27 TW TW102135134A patent/TWI530330B/en active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11850624B2 (en) | 2019-03-25 | 2023-12-26 | Medmix Switzerland Ag | Distributor head for a distributor apparatus and distributor apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201422317A (en) | 2014-06-16 |
| CN103706513A (en) | 2014-04-09 |
| TWI530330B (en) | 2016-04-21 |
| KR20140042739A (en) | 2014-04-07 |
| DE102013219628A1 (en) | 2014-04-03 |
| KR101703383B1 (en) | 2017-02-06 |
| DE102013219628B4 (en) | 2016-08-11 |
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