CN209334097U - Intermediate plate and slit coating device - Google Patents
Intermediate plate and slit coating device Download PDFInfo
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- CN209334097U CN209334097U CN201822049834.8U CN201822049834U CN209334097U CN 209334097 U CN209334097 U CN 209334097U CN 201822049834 U CN201822049834 U CN 201822049834U CN 209334097 U CN209334097 U CN 209334097U
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Abstract
The utility model relates to a kind of intermediate plate, which is suitable for being set to slit type coating head to change coating width.Intermediate plate includes the first plate portion, the second plate portion and third plate portion.Second plate portion is connected in the first plate portion with third plate portion and protrudes towards equidirectional extension.Second plate portion and third plate portion interval are to form sprue, one first isocon of the sprue to connect slit type coating head.Second plate portion has the first runner.First runner has opposite open end and closed end.Open end connects sprue, and the shortest distance in open end to the first plate portion is greater than the shortest distance in closed end to the first plate portion.The a part of second plate portion to be covered in the first isocon, and the another part of the closed end of the first runner to appear the first isocon.In addition, the utility model further relates to a kind of slit coating device using aforementioned intermediate plate.
Description
Technical field
The utility model belongs to film coating techniques field, is related to a kind of intermediate plate and slit coating device, especially a kind of
Intermediate plate with runner and the slit coating device using it.
Background technique
Accurate coating technique is the important development direction of future thin film technology, and in many coating techniques, slit is applied
Cloth (slot die coating technology) is one of them that are widely used and having deep development potentiality.In recent years by
It is risen in electronics industry, the requirement for film equality is stringenter.
However, traditional slit coating device has when using intermediate plate shield in response to different coating widths to be caused to apply
The problem of cloth defect.Specifically, for the difference for the width to be coated with, a folder can be generally set in slit type coating head
Piece shield blocks a part of isocon in coating head (or runner), to change the width for the coating that can be flowed out from flow tube
Degree, that is, change the coating widths being coated on by materials and parts, but such way will cause coating in the case where flow tube is blocked
It is rectangular at remaining in a standstill the phenomenon that, the coating that remains in a standstill too long is easy to generate qualitative change and deteriorate, and the operation of coating is not only influenced, if by applying
It is added on the qualification rate that then will affect coating by materials and parts.
Utility model content
In view of this, the present invention provides a kind of intermediate plates and slit coating device, can be so as to avoiding applying for slit
The coating that traditional intermediate plate of cloth device is be easy to cause is remained in a standstill and is solved the problems, such as because brought by coating viscous flow.
According to a kind of intermediate plate disclosed in the utility model, suitable for being set on a setting face of a slit type coating head simultaneously
A part of one first isocon on the setting face of masking, to change the coating width of slit type coating head.Intermediate plate includes one the
One plate portion, one second plate portion and a third plate portion.Second plate portion is connected the side in the first plate portion with third plate portion and towards same
Direction, which extends, to be protruded.Second plate portion and third plate portion are at a distance to form a mainstream between the second plate portion and third plate portion
Road, and sprue is to connect the first isocon.Second plate portion has one first runner.First runner has opposite one
Open end and a closed end.Open end connects sprue, and the shortest distance in open end to the first plate portion is greater than closed end extremely
The shortest distance in the first plate portion.Wherein the second plate portion is to be covered on a part of the first isocon, and the second plate portion
The another part of the closed end of first runner to appear the first isocon.
It include a coating head and an intermediate plate according to a kind of slit coating device disclosed in the utility model.Coating head
With a setting face and positioned at one first isocon in setting face.Intermediate plate is set on setting face.Intermediate plate include one first plate portion,
One second plate portion and a third plate portion.Second plate portion is connected the side in the first plate portion with third plate portion and towards equidirectional extension
It is prominent.Second plate portion and third plate portion are at a distance to form a sprue between the second plate portion and third plate portion and main
Runner is to connect flow tube.Second plate portion has one first runner.First runner has an opposite open end and one
Closed end.Open end connect sprue, and the shortest distance in open end to the first plate portion be greater than closed end to the first plate portion most
Short distance.Wherein the second plate portion is covered on a part of the first isocon, and the closing of first runner in the second plate portion
End appears another part of the first isocon.
Intermediate plate disclosed in the utility model and slit coating device, due on intermediate plate for covering the of the first isocon
Two plate portions have the first runner, and the first runner has the open end of connection sprue and appears the envelope of the first isocon
Closed end, therefore when intermediate plate is covered on the first isocon with the second plate portion to change coating width, enter in the first isocon
Viscous flow will not be generated without being directly entered the coating of sprue below second plate portion, but separately can appear first from the second plate portion
The closed end of isocon is flowed out, and the guiding by the first runner converges into sprue again.It can effectively solve to be used for as a result, narrow
The problems such as traditional intermediate plate of seam coating head has coating viscous flow deterioration and influences coating operations and qualification rate.
The explanation of explanation and the following embodiments and the accompanying drawings above with respect to the utility model disclosure, to demonstrate and solve
The spirit and principle of the utility model are released, and the patent claim for providing the utility model is further explained.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of the slit coating device of the first embodiment according to the utility model.
Fig. 2 is the decomposition diagram of the slit coating device of Fig. 1.
Fig. 3 is that schematic diagram is cutd open in the side of the slit coating device of the first embodiment according to the utility model.
Fig. 4 is that the Partial enlarged side of the first main body of Fig. 3 cuts open schematic diagram.
Fig. 5 is the intermediate plate of Fig. 1 and the top view of the first main body.
Fig. 6 is the floor map of the intermediate plate of Fig. 1.
Fig. 7 is the partial enlargement diagram of the slit coating device of the first embodiment according to the utility model.
Fig. 8 is the flow field simulation figure of the slit coating device of the first embodiment according to the utility model.
Fig. 9 is the flow field simulation figure of traditional slit coating device.
Figure 10 is the floor map of the slit coating device of the second embodiment according to the utility model.
Figure 11 is the floor map of the slit coating device of the 3rd embodiment according to the utility model.
Figure 12 is the partial enlargement diagram of the slit coating device of the 3rd embodiment according to the utility model.
Figure 13 is the flow field simulation figure of the slit coating device of the 3rd embodiment according to the utility model.
Figure 14 is the flow field simulation figure of traditional slit coating device.
Figure 15 is that schematic diagram is cutd open in the side of the slit coating device of the fourth embodiment according to the utility model.
Figure 16 is that schematic diagram is cutd open in the side of the slit coating device of the 5th embodiment according to the utility model.
Figure 17 is that schematic diagram is cutd open in the side of the slit coating device of the sixth embodiment according to the utility model.
Figure 18 is that schematic diagram is cutd open in the side of the slit coating device of the 7th embodiment according to the utility model.
[symbol description]
1a, 1b, 1c, 1d, 1e, 1f, 1g slit coating device
10a, 10b, 10c, 10d intermediate plate
20a, 20b, 20c, 20d, 20e, 20f, 20g coating head
The the first plate portion 100a, 100b, 100c
101a bridges side
The the second plate portion 200a, 200b, 200c
The first blocking portion of 210a, 210c
The first side 211a
212a second side
213a third side
The second blocking portion of 220a, 220b, 220c
The 4th side 221a
230a third blocking portion
The 5th side 231a
The 6th side 232a
233a heptalateral
300a, 300b, 300c third plate portion
2103 lattices
The first main body of 201a
The second main body of 202a
The first lip of 2011a
The second lip of 2021a
The first isocon of 2101a
The second isocon of 2102a
2101c flow tube
21011 first long sides
21012 second long sides
21021 first long sides
21022 second long sides
A1, A2 sectional area
C1a, C1b, C1c sprue
The first runner of C2a, C2b, C2c
The first closed end C2a1, C2c1
The first open end C2a2, C2c2
CW1 coating width
The d1 shortest distance
The first depth of D1
The second depth of D2
F coating injection inlet
G, G1, G2, G3 are coated with slit
The discharging of R1 first angle
The discharging of R2 second angle
O1 discharge openings
P reference planes
Face is arranged in S
The first width of W1
The second width of W2
W3 third width
The 4th width of W4
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, below in conjunction with specific embodiment, and
Referring to attached drawing, the utility model is further described.
Describe the detailed features and advantage of the utility model in detail in embodiments below, content is enough to make any
Those skilled in the art understand the technology contents of the utility model and implement accordingly, and according to content disclosed in this specification,
Claim and attached drawing, anyone skilled in the art can be readily understood upon the relevant purpose of the utility model and advantage.
The viewpoint of the utility model, but the non-model anyways to limit the utility model is further described in embodiment below
Farmland.
In addition, the embodiments of the present invention will be disclosed below with attached drawing, it is as clearly stated, thin in many practices
Section will be explained in the following description.However, it is understood that the details in these practices is non-practical new to limit this
Type.
Also, to realize the clean and tidy purpose of drawing, some known usual structures and component may be with simple in attached drawing
The mode of signal is painted it.In addition, the feature of part slightly may amplify or change its ratio or size in the attached drawing of this case,
To achieve the purpose that be easy to understand and watch the technical characteristics of the utility model, but this is not intended to limit the utility model.According to
Actual size and specification according to product manufactured by content disclosed in the utility model should be can be according to demand when producing, production
The content that the characteristic and collocation the utility model of product itself are as disclosed below adjusts accordingly, is first stated in this.
In addition, describing specific group may hereinafter use the terms such as " end ", " portion ", " part ", " region ", " place "
Part and structure or the specified features thereon or between it, but these components are not limited with structure by these terms.
Hereinafter, it is also possible to which the term that will use " and/or (and/or) " refers to and contains associated component listed by one or more
Or the combination of the one of them or whole of structure.Hereinafter it is also possible that with " substantial ", " substantially ", "about" or "approximately"
Equal terms, with size, concentration, temperature or other physically or chemically or when the range of characteristic is used in combination, to be intended to contain
Lid be likely to be present in these properties or characteristic the upper limit of range and/or the deviation in lower limit or indicate allow manufacturing tolerance or
Acceptable deviation caused by analytic process, but still can reach desired effect.
Furthermore unless otherwise defined, all vocabulary or term used herein, including technology and scientific vocabulary with
Term etc. has its common meaning, and meaning can be readily appreciated by one skilled in the art.Further, above-mentioned word
Remittance or the definition of term should be read as having consistent meaning with the utility model correlative technology field in the present specification.
Unless there are especially specific definition, these vocabulary or term will not be interpreted excessively Utopian or formal meaning.
Firstly, please referring to FIG. 1 to FIG. 2, the first embodiment of the utility model proposes a kind of slit coating device 1a, packet
Containing an intermediate plate (shim or shim plate) 10a and a slit type coating head (slot die or slot die head)
20a, wherein may be simply referred to as " coating head " below slit type coating head described here.
Coating head 20a includes that one first main body 201a and one second main body 202a, intermediate plate 10a are set to the first main body
On the setting face S of 201a, the second main body 202a is hubbed at the side of the first main body 201a and is able to be covered on the first main body 201a
On, intermediate plate 10a is manifested to clamp intermediate plate 10a jointly or open with respect to the first main body 201a.But it need to state, this implementation
The coating head 20a of example is only the citing for being used to explain the utility model, and the utility model is not limited thereto.Such as in other realities
It applies in example, the first main body of coating head can not also be connected with the second main body by pivot as shown in figure 1, and can be changed by such as
Other fixed forms such as screw locking mutually assemble.
Furthermore, in the present embodiment, the first main body 201a, which has, is located at its one first isocon being arranged on the S of face
2101a and one second isocon 2102a.The length of first isocon 2101a and the second isocon 2102a are substantially the same.?
In design, the length of the first isocon 2101a and the second isocon 2102a are substantially equal to the maximum that coating head 20a can discharge
Width, but the utility model is not limited thereto.Here the length of so-called first isocon or the second isocon, refers to first
The length of the long side of isocon and the second isocon.In addition, the first isocon 2101a is shunted compared with second from the point of view of with regard to relative position
Pivotal axis (not labeled) of the pipe 2102a close to the first main body 201a and the second main body 202a.Therefore, the first isocon 2101a
It can be described as inner flow tube, and the second isocon 2102a then can be described as outer flow tube.
In addition, also there is the first main body 201a a coating injection inlet (feeding port) F to be connected to the first isocon
2101a.Coating injection inlet F can connect coating source (not being painted), and coating is injected the first isocon 2101a.
Further, referring to Fig. 3, schematic diagram is cutd open in the side for the slit coating device 1a of first embodiment.In this reality
It applies in example, the first main body 201a and the second main body 202a are respectively provided with slightly wedge shaped one far from one end of pivotal axis (not labeled)
First lip 2011a and one second lip 2021a, as the first main body 201a and the second main body 202a relatively closed, the first lip
A coating slit G is formed between portion 2011a and the second lip 2021a, for the outlet that coating head 20a squeezes out coating, width
It can adjust according to the demand being actually coated with height, the utility model is not limited thereto.As shown, intermediate plate 10a ascends the throne
In coating slit G.
In addition, being separated between the first isocon 2101a and the second isocon 2102a with 2103 phase of a lattice, second point
Flow tube 2102a is compared with the first isocon 2101a close to the first lip 2011a, i.e., the second isocon 2102a is compared with the first isocon
2101a is close to the outlet that coating is extruded.As the first main body 201a and the second main body 202a relatively closed, coating can be from coating
Inlet F injects the first isocon 2101a and crosses lattice 2103 and shunt into the second isocon 2102a, then from second
Pipe 2102a flows into coating slit G, and is able to be extruded outside coating head 20a from coating slit G.
Then, referring to Fig. 4, the Partial enlarged side for the first main body 201a of Fig. 3 cuts open schematic diagram.In the present embodiment,
Defining the first isocon 2101a has a sectional area A1, one first depth D1, one first discharging angle R1, one first width W1, with
And the second isocon 2102a is defined with a sectional area A2, one second depth D2, one second discharging angle R2, one second width W2.
Sectional area described here refers to the first isocon 2101a and the second isocon 2102a in the cross section of the plane of such as attached drawing
Size；The depth refers to the setting face S of the first isocon 2101a and the second isocon 2102a from the first main body 201a
The distance of locating plane (such as Fig. 4 is reference planes P) extremely respective bottom；The discharging angle refers to the first isocon 2101a
With the angle folded by the inclined-plane of the side of the first lip 2011a and the setting face S of the first main body 201a the second isocon 2102a
Degree；And the width, then refer on the first isocon 2101a and the second isocon 2102a close to the one of the first lip 2011a
The distance between the other side of side and separate first lip 2011a.In addition, as shown, the first isocon 2101a is with separate
One first long side 21011 and one second long side 21012 of close first lip 2011a of first lip 2011a, and second shunts
Pipe 2102a has one first long side 21021 and one second long side of close first lip 2011a far from the first lip 2011a
21022, the first width W1 above-mentioned, refer to the first isocon 2101a the first long side 21011 and the second long side 21012 away from
From, and the second width W2 above-mentioned, refer to the second isocon 2102a the first long side 21021 and the second long side 21022 away from
From.
In the present embodiment, such as in the first isocon 2101a and the second isocon 2102a paracentral region is leaned on, the
The sectional area A1 of one isocon 2101a can be at least more than the sectional area A2 of the second isocon 2102a；First isocon 2101a's
First discharging angle R1 can be greater than the second discharging angle R2 of the second isocon 2102a, wherein the first discharging angle R1 and the second discharging angle
R2 can be more typically for example 30-90 degree between 0~90 degree.Such as in one embodiment, the first discharging angle R1 is for example between 40
Between degree and 90 degree, the second discharging angle R2 for example can be between 30 degree and 90 degree；The first depth D1 of first isocon 2101a
The second depth D2 of the second isocon 2102a can be greater than；And the first width W1 of the first isocon 2101a can be greater than second and shunt
The second width W2 of pipe 2102a.It can first be obtained during coating injects the first isocon 2101a from coating injection inlet F as a result,
It must buffer, and help to be promoted the uniformity of coating.
But it need to state, in the first isocon 2101a and the second isocon 2102a by the sectional area in the region of two close end
Equidimension is then not limited to size relationship above-mentioned, although also, the first isocon 2101a and the second isocon in the present embodiment
The sectional area of 2102a is definite value, the i.e. sectional area of the first isocon 2101a and the second isocon 2102a from one end to the other end
Not there is no variation, but the utility model is not limited with the shape of the first isocon and/or the second isocon entirety.Citing comes
It says, such as in one embodiment, the sectional area of the first isocon and/or the second isocon can also be underrange, such as its center
The sectional area in region can be greater than the sectional area at its both ends, and the sectional area at the first isocon both ends may be less than or equal to second point again
The sectional area at flow tube both ends, also, the discharging angle at the first isocon both ends, depth and width equidimension also may be less than or equal to
Discharging angle, depth and the width equidimension of two isocons.
In addition, in the present embodiment, lattice 2103 is also defined with a third width W3, and the first lip 2011a
With one the 4th width W4, since the width of the two parts is for subsequent two flowed through when intermediate plate 10a is arranged for coating
The width of a slit areas, thus third width W3 also can be considered the first slit length, and the 4th width W4 also can be considered second
Slit length.Third width W3 refers to the spacing between the first isocon 2101a and the second isocon 2102a, and the 4th width
W4 refers to the distance between the tip (not labeled) of the second isocon 2102a to the first lip 2011a, i.e. the first lip 2011a
Width, it is understood that be that coating from the second isocon 2102a flows out to the flow distance being extruded.In the present embodiment
In, third width W3 the 4th width W4 at least below the first lip 2011a, i.e. the first isocon 2101a of lattice 2103
Width of the spacing less than the first lip 2011a between the second isocon 2102a helps to mitigate from the second isocon
The coating and avoidable coating of 2102a outflow are sprayed in outer after the second isocon 2102a outflow in the too short time, but
The utility model is not limited thereto.
In fact, the size of aforementioned first isocon 2101a and the second isocon 2102a, proportionate relationship and itself and week
The relativeness between component is enclosed, can be adjusted according to the characteristics such as coating type, rheology, temperature and/or the demand of coating etc.
It is whole.Such as in other embodiments, the first isocon and the second isocon of coating head can also only meet sectional area A1 be greater than cut
The discharging of area A2 and first angle R1 is greater than the conditions such as the second discharging angle R2, as the depth of the first isocon and the second isocon
Between and width between size relation then may differ from described in previous embodiment；It, can also be in alternatively, in other embodiments
First isocon and the second isocon as the aforementioned are set in second main body, or the first isocon and the second isocon are distinguished
It is set in the first main body and the second main body.
Then, Fig. 5~Fig. 6 is please referred to, Fig. 5 is the top view of the intermediate plate 10a and the first main body 201a of Fig. 1, and Fig. 6 is figure
The floor map of 1 intermediate plate 10a.
One of the effect of intermediate plate 10a is to can be assembled in the coating width for changing coating head 20a on coating head 20a.And
It must state, the utility model is not limited with the thickness of intermediate plate 10a, and thickness can be adjusted according to actual demand.This
Outside, intermediate plate 10a can be made of plastics or metal material, and the selection of material can be equally carried out according to actual demand, this is practical new
Type is also non-as limit.In addition, the mode that intermediate plate 10a is fixed on coating head 20a can for example be locked by screw, but this is practical
It is novel to be not limited thereto, and to realize that drawing is clean and tidy, it is not painted the screw of locking intermediate plate.
As shown, intermediate plate 10a is for example integrally formed structures, it may include one first plate portion 100a, one second plate
A portion 200a and third plate portion 300a.First plate portion 100a has bridge joint a side 101a, the second plate portion 200a and third plate portion
300a, which is connected the bridge joint side 101a in the first plate portion 100a and extends towards the direction far from the first plate portion 100a, to be protruded.Also
It is to say, the second plate portion 200a is connected the same side in the first plate portion 100a with third plate portion 300a and protrudes towards equidirectional extension.
Also, the second plate portion 200a and third plate portion 300a are at a distance, with common around one sprue of formation between the two
C1a.Sprue C1a has a discharge openings O1, and it is for folder 10a that discharge openings O1, which is located at an exit side 11a of intermediate plate 10a,
The outlet that coating can be extruded when being set to coating head 20a, and discharge openings O1 has a coating width CW1, is for folder 10a
The width for the outlet that coating can be extruded when being set to coating head 20a.The exit side, refer to intermediate plate in design for will
The side of coating discharge.The size (i.e. the size of discharge openings O1) of the coating width CW1, be by the second plate portion 200a with
The spacing that third plate portion 300a is located at the edge of exit side 11a is determined, is by the second plate portion 200a and third plate portion in other words
The spacing at edge of the 300a far from the first plate portion 100a is determined.
Furthermore, in the present embodiment, the second plate portion 200a and third plate portion 300a respectively include one first blocking portion
210a, one second blocking portion 220a and a third blocking portion 230a.Since third plate portion 300a and the second plate portion 200a are substantial
It is the structure for mirror symmetry, therefore will illustrates by taking the second plate portion 200a as an example below, third plate portion 300a and the second plate portion
The identical part 200a will not be described in great detail.
In the second plate portion 200a, the first blocking portion 210a is connected with the second blocking portion 220a in the first plate portion 100a's
It bridges side 101a and keeps a distance.As shown, the first blocking portion 210a and the second blocking portion 220a is spaced apartly simultaneously
Row, and extend from the bridge joint side 101a of the first plate portion 100a towards the direction of exit side 11a and protrude.Third blocking portion 230a linking in
Second blocking portion 220a is towards the first side blocking portion 210a and prominent to the extension of the direction of third plate portion 300a.Third blocking portion
230a is located at side of the first blocking portion 210a far from the first plate portion 100a and keeps a distance with the first blocking portion 210a.
From the point of view of more specific, the first blocking portion 210a has one first side 211a, second side 212a and a third side 213a.
Second side 212a is located at the first blocking portion 210a opposite sides with third side 213a and connect bridge joint side 101a, and the first side
211a linking is between second side 212a and third side 213a and towards third blocking portion 230a.Second blocking portion 220a has
The third side 213a of one the 4th side 221a, the 4th side 221a towards the first blocking portion 210a and linking bridge joint side 101a and third resistance
Stopper 230a.Third blocking portion 230a has one the 5th side 231a, one a 6th side 232a and heptalateral 233a, the second blocking portion
In bridge joint side 101a and the 5th side 231a, it is separate that the 6th side 232a is located at third blocking portion 230a for the 4th side 221a linking of 220a
The side (the exit side 11a for being located at intermediate plate 10a) of side 101a is bridged, and heptalateral 233a linking is in the 5th side 231a and the 6th
Between the 232a of side, and towards third plate portion 300a.
On the whole with regard to intermediate plate 10a, the bridge joint side 101a of the first plate portion 100a, the second plate portion 200a and third plate portion 300a
The first blocking portion 210a second side 212a and third blocking portion 230a heptalateral 233a surround jointly to be formed it is above-mentioned
Sprue C1a.In addition, in the present embodiment, it is by the first plate portion that the second blocking portion 200a, which has one first runner C2a,
100a bridge joint side 101a, the first side 211a and third side 213a of the first blocking portion 210a, the second blocking portion 220a the 4th
The 5th side 231a of side 221a and third blocking portion 230a are surrounded jointly.First runner C2a has opposite 1 the
One closed end C2a1 and one first open end C2a2.As shown in fig. 6, the first closed end C2a1 is, for example, by the first blocking portion 210a
Third side 213a, the first plate portion 100a bridge joint side 101a and the second blocking portion 220a the 4th side 221a surround and
At, and the first open end C2a2 is e.g. by the 5th side of the first side 211a of the first blocking portion 210a, third blocking portion 230a
The 4th side 221a of 231a and the second blocking portion 220a are surrounded, also, the first open end C2a2 is connected to sprue
The side of C1a, and the position of the first open end C2a2 compared with the first closed end C2a1 further from the first plate portion 100a of intermediate plate 10a.
Specifically, the shortest distance of the first open end C2a2 to the first plate portion 100a is greater than the first closed end C2a1 to the first plate portion
The shortest distance of 100a.Wherein, the shortest distance of the first open end C2a2 to the first plate portion 100a can be considered the first opening of composition
Hold the shortest distance (such as Fig. 6 of the bridge joint side 101a of the plate portion 100a of the 4th side 221a to first of the second blocking portion 220a of C2a2
Shown in d1), be the length of the third side 213a of the first blocking portion 210a in the present embodiment；And the first closed end C2a1 is direct
It is connected the bridge joint side 101a of the first plate portion 100a, therefore the shortest distance between the two is essentially 0.
Similarly, then there is one second runner C3a, the second runner C3a also to have opposite on third plate portion 300a
One second closed end C3a1 and one second open end C3a2, the second open end C3a2 are connected to the other side of sprue C1a, and
The position of two open end C3a2 compared with the second closed end C3a1 further from the first plate portion 100a of intermediate plate 10a, as shown, first point
Runner C2a and the second runner C3a be substantially be the structure of mirror symmetry, therefore the explanation of its details please be held and repeat no more.
Then, the installing about intermediate plate 10a, is asked and with refering to Fig. 6~Fig. 7, and wherein it is aforementioned to be that intermediate plate 10a is installed in by Fig. 7
Partial enlargement diagram on the setting face S of the first main body 201a of coating head 20a, and in order to keep simplified form, it is saved in Fig. 7
Slightly the second main body 202a.Further, since it is the structure of mirror symmetry that third plate portion 300a and the second plate portion 200a, which is substantially, therefore
Fig. 7 only illustrates by taking the second plate portion 200a as an example.
As shown in Fig. 6~Fig. 7, the bridge joint side 101a of the first plate portion 100a of intermediate plate 10a can be aligned the first isocon 2101a
The first long side 21011, the first blocking portion 210a of the second plate portion 200a covers lattice across the first isocon 2101a
2103, and the first side 211a of the first blocking portion 210a can be aligned the first long side 21021 of the second isocon 2102a, the second plate
The second blocking portion 220a of portion 200a can paste the short side (not labeled) of neat first isocon 2101a and the second isocon 2102a, and
The third blocking portion 230a of second plate portion 200a is located on the first lip 2011a of the first main body 201a, and third blocking portion
The 5th side 231a of 230a is aligned the second long side 21022 of the second isocon 2102a.
Through the above configuration, the second plate portion 200a and third plate portion 300a of intermediate plate 10a is shunted the first of shaded portions
Pipe 2101a, so that coating will be limited by the discharge openings of the sprue C1a of intermediate plate 10a from the coating width that coating head 20a is squeezed out
The size of O1, to achieve the effect that change coating width (i.e. the CW1 that Fig. 6 is indicated).
Meanwhile although the second plate portion 200a and third plate portion 300a are blinded by the first isocon 2101a of part, second
Plate portion 200a and third plate portion 300a are respectively provided with the first runner C2a and the second runner C3a, can pass through the first closing respectively
C2a1 is held to connect the first isocon 2101a with the second closed end C3a1, to make the first isocon 2101a that can also shunt from first
Road C2a is connected to sprue C1a with the second runner C3a, thus by the second plate portion of intermediate plate 10a in the first isocon 2101a
The coating that 200a and third plate portion 300a covered/were barred from lower section can't generate viscouss flow, but can from the first runner C2a and
Second runner C3a and be directed to confluence enter sprue C1a.
It follows that being stopped in the first isocon 2101a by intermediate plate 10a when intermediate plate 10a is arranged to change coating width
Coating without being directly entered sprue C1a will not generate viscous flow, but can be separately from the first runner C2a of two sides and second
Coating of the runner C3a guiding again with sprue C1a converges.The biography for slit type coating head can be effectively solved as a result,
The problems such as system intermediate plate has coating viscous flow deterioration and influences coating operations and qualification rate.
Such as Fig. 8 and Fig. 9 please be compare, Fig. 8 is the flow field simulation figure of the slit coating device 1a of first embodiment, and Fig. 9
For using the flow field simulation figure of the slit coating device of traditional intermediate plate, wherein Fig. 8 and Fig. 9 is substantially identical coating head
On simulated with identical coating width, identical coating and under identical flow rate as a result, the difference of the two only exists
In the difference of intermediate plate.In addition, Fig. 8 and Fig. 9 is to be showed and be not shown in a manner of partial enlargement in order to make attached drawing convenient for viewing
Whole slit coating device and other intermediate plate will be painted in a manner of dotted line.
It can be seen that, stopped to generate without being directly entered the coating of sprue by intermediate plate in the first isocon from Fig. 8
It remains in a standstill, but can separately merge again with the coating of sprue from the guiding of the first runner.In comparison, the intermediate plate of Fig. 9 is due to lacking
First runner, thus coating can be generated in the region covered by intermediate plate and be remained in a standstill (stagnant area as indicated by the arrows in the figure), be caused
It is rotten, mass flow discrepancy is even and the problems such as influence coating thickness.
But it need to supplement, the actual numerical value of the width of runner should can be according to the demand of coating, the type of coating, stream
Become, the different consideration factor such as temperature and/or other coating characteristics and accordingly adjust, the utility model is not limited thereto.Example
As in one embodiment, the width of the first runner of aforementioned intermediate plate is about 5 millimeters (millimeters) to the numerical value between 15 millimeters；
Alternatively, in another embodiment, the width of the first runner of aforementioned intermediate plate can even reduce to about 1 millimeter.
In addition, the intermediate plate of aforementioned first embodiment be by taking the second plate portion and third plate portion all have runner as an example, but this
Utility model is not limited thereto.It such as referring to Fig. 10, is the slit coating of the second embodiment according to the utility model
The floor map of device, but remind, for purposes of illustration only, the second main body is omitted in the attached drawing of the present embodiment.The present embodiment mentions
A kind of slit coating device 1b out, it includes an intermediate plate 10b and a coating head 20b, wherein coating head 20b substantially with it is aforementioned
The coating head 20a of embodiment is identical, therefore repeats no more in this.In the present embodiment, intermediate plate 10b include one first plate portion 100b,
An one second plate portion 200b and third plate portion 300b, major difference is that, third plate portion 300b is only with previous embodiment
With the second blocking portion 220b without the structure of any runner.Therefore, in intermediate plate 10b, still there is a sprue
C1b, but only the second plate portion 200b has the first runner C2b.Compare 8~Fig. 9 of earlier figures simulation drawing it will be appreciated that even if
Only there is single runner (i.e. the first runner C2b) as shown in intermediate plate 10b, still can reach and coating is shunted and avoids coating stagnant
The problem of rheology matter.
Furthermore the intermediate plate of previous embodiment is to be set to coating head tool there are two the environment of flow tube (i.e. double flowing tube) to be
Example, but the utility model is not limited thereto.Such as Figure 11~Figure 12 is please referred to, Figure 11 is the third reality according to the utility model
The floor map of the slit coating device of example is applied, and Figure 12 is the slit coating of the 3rd embodiment according to the utility model
The partial enlargement diagram of device, but remind, for purposes of illustration only, the second main body is omitted in the attached drawing of the present embodiment.
Such as Figure 11, the present embodiment proposes a kind of slit coating device 1c, and it includes an intermediate plate 10c and a coating head 20c.Folder
Piece 10c includes one first plate portion 100c, one second plate portion 200c and a third plate portion 300c.Intermediate plate 10c and previous embodiment
Intermediate plate 10b it is similar, be also only the second plate portion 200c have be connected to sprue C1c side the first runner C2c,
Only be to have the adjustment of adaptability in response to coating head 20c in dimension scale, therefore, with previous embodiment something in common in this not
It repeats again.As for coating head 20c, coating head 20c is essentially consisted in only with the difference of the coating head of previous embodiment have and is single
Flow tube 2101c, but the size of flow tube 2101c is only that signal is used, and the utility model is not limited thereto.
In the case, intermediate plate 10c still can reach the problem for shunting coating and avoiding coating viscous flow rotten.Such as Figure 12 institute
Show, is covered/be barred from the coating of lower section in flow tube 2101c by the first blocking portion 210c of the second plate portion 200c of intermediate plate 10c
It will not still generate viscous flow, but the first runner C2c can be flowed into from the first closed end C2c1 of the first runner C2c, and from the
The first open end C2c2 of one runner C2c can guide confluence by the first runner C2c in turn and enter sprue C1c.Namely
It says, when intermediate plate 10c is arranged to change discharging width, is stopped by intermediate plate 10c without being directly entered sprue in flow tube 2101c
The coating of C1c will not generate viscous flow, but separately can flow back to sprue C1c and and mainstream from the first runner C2c of its side
The coating of road C1c converges, and equally can effectively solve to have coating for traditional intermediate plate of slit type coating head and remain in a standstill deterioration and shadow
The problems such as ringing coating operations and qualification rate.
Such as Figure 13 and Figure 14 please be compare, Figure 13 is the flow field simulation figure of the slit coating device 1c of 3rd embodiment, and
Figure 14 is the flow field simulation figure using the slit coating device of traditional intermediate plate, wherein Figure 13 and Figure 14 is substantially identical
It is being simulated with identical coating width, identical coating in coating head and under identical flow rate as a result, the difference of the two
The different difference for being only that intermediate plate.In addition, in order to make attached drawing convenient for viewing, Figure 13 and Figure 14 be showed in a manner of partial enlargement and
Complete slit coating device and other intermediate plate, which is not shown, to be painted in a manner of dotted line.
From Figure 13 it can be seen that, the coating stopped by intermediate plate without being directly entered the sprue of intermediate plate in the flow tube of coating head
Viscous flow will not be generated, but can separately be merged again with the coating of sprue from the guiding of the first runner of intermediate plate.In comparison, Figure 14
Intermediate plate due to lacking the first runner, thus coating can be generated in the region covered by intermediate plate and be remained in a standstill (as indicated by the arrows in the figure
Stagnant area), lead to problems such as to go bad, mass flow discrepancy is even and influences coating thickness.
As long as runner is arranged to be connected to sprue and flow tube it is found that being used to cover on intermediate plate in the structure of flow tube accordingly
Design, belong to the scope of the utility model.Therefore, the utility model is not limited to the shape, material or institute of intermediate plate
The coating width etc. needed.Under the premise of herein, those skilled in the art when can according to actual coating uniformity demand,
The shape of flow tube, quantity, size, the pressure of coating, the stickiness of coating, temperature and/or other coating characteristics for being coated with slit etc.
Because usually adjusting the shape of intermediate plate, the first blocking portion in the second plate portion and/or third plate portion to adjust aforementioned intermediate plate, second
The size of blocking portion and/or third blocking portion, shape and ratio etc., and then suitable runner is obtained according to aforementioned need
Shape and size.
Such as illustrated based on the intermediate plate 10a of Fig. 7.In other embodiments, the first plate portion can also be changed to not right
First long side of neat first isocon, but the first isocon of covering part；Or in other embodiments, the second plate portion
The third side of the first blocking portion, the bridge joint side in the first plate portion and the second blocking portion the 4th side can also be changed to a continuous arc
Shape is to be changed to be made of circular arc wall surface by the first closed end of the first runner of intermediate plate；Or in other embodiments
In, the first runner can also be omitted L-shaped is changed to parallelogram；Or in other embodiments, the of the second plate portion
One blocking portion can also lengthen and the second isocon of slightly covering part；Or in other embodiments, the of the second plate portion
The heptalateral of three blocking portions can also be changed to an inclined-plane and make the discharge openings of sprue with tapered or flaring from inside to outside
Shape；Or in other embodiments, the heptalateral of second side of first blocking portion in the second plate portion and third blocking portion
It can be changed to sequence rather than align.In the citing of above-mentioned intermediate plate, if its runner can coupling part flow tube and be connected to master
Runner belongs to the scope of the utility model.Accordingly, with respect to intermediate plate (such as intermediate plate of earlier figures 12 for being applied to single flow tube
10c), also when aforementioned cited variation can be imitated to carry out adjustment in shape to intermediate plate.
In addition, previous embodiment is but this reality by taking the coating head that intermediate plate is set to only with single coating slit as an example
It is not limited thereto with novel.Such as Figure 15 is please referred to, for the slit coating device of the fourth embodiment according to the utility model
Side cut open schematic diagram, wherein by omission be painted hatching to achieve the purpose that attached drawing is succinct.As shown in figure 15, the present embodiment mentions
A kind of slit coating device 1d out, coating head 20d are coated with slit G1, G2 there are two having simultaneously, and user can be according to demand
Intermediate plate 10a~10c of previous embodiment is installed in coating slit G1, G2 by selection, as shown in Figure 15, such as can will be aforementioned
Intermediate plate 10c be respectively arranged in coating slit G1, G2 of coating head 20d, with reach disposable coating multiple it is of same size or
The effect of different coating.In another example please referring to Figure 16, a kind of slit coating device 1e is proposed, with slit coating device 1d
Difference be coated with slit G1, G2 in respectively have as aforementioned coating head first and second isocon, in this, for example, can will before
The intermediate plate 10a and 10b stated is respectively arranged in coating slit G1, G2 of coating head 20e.
In addition to this, such as Figure 17 is please referred to, proposes a kind of slit coating device 1f, the difference with slit coating device 1d
It is different to have simultaneously in its coating head 20f there are three slit G1, G2 and G3 is coated with, in this, such as intermediate plate 10c above-mentioned can be set respectively
It is placed in coating slit G1, G2 and G3.In another example please referring to Figure 18, a kind of slit coating device 1g is proposed, apply with slit
The difference of cloth device 1f be coated with slit G1, G2 and G3 in have as aforementioned coating head first and second isocon, in this, example
Intermediate plate 10a above-mentioned and 10c can be such as respectively arranged in coating slit G1, G2 and G3 of coating head 20g.
By the utility model intermediate plate above-mentioned and slit coating device, due on intermediate plate for covering the of the first isocon
Two plate portions have the first runner, and the first runner has the open end of connection sprue and appears the envelope of the first isocon
Closed end, thus intermediate plate with the second plate portion be covered in the first isocon on to change coating width when, enter in the first isocon
Viscous flow will not be generated without being directly entered the coating of sprue below second plate portion, but separately can appear first from the second plate portion
The closed end of isocon is flowed out, and the guiding by the first runner converges into sprue again.It can effectively solve to be used for as a result, narrow
The problems such as traditional intermediate plate of seam coating head has coating viscous flow deterioration and influences coating operations and qualification rate.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects
Step is described in detail, it should be understood that being not limited to this foregoing is merely specific embodiment of the utility model
Utility model, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all wrap
Containing being within the protection scope of the utility model.
Claims (11)
1. a kind of intermediate plate, suitable for one first point for being set on a setting face of a slit type coating head and covering on the setting face
A part of flow tube, to change the coating width of the slit type coating head, which is characterized in that the intermediate plate includes:
One first plate portion, one second plate portion and a third plate portion, the second plate portion are connected with the third plate portion in first plate
The side in portion and towards equidirectional extension protrude, the second plate portion and the third plate portion it is at a distance in the second plate portion with should
A sprue is formed between third plate portion, and the sprue, to connect first isocon, which has one first
Runner, first runner have opposite one first open end and one first closed end, and first open end connection should
Sprue, and the shortest distance in first open end to the first plate portion is greater than the most short of first closed end to the first plate portion
Distance；
Wherein, the second plate portion is to be covered on a part of first isocon, and this first point of the second plate portion
The another part of first closed end of runner to appear first isocon.
2. intermediate plate as described in claim 1, wherein the third plate portion has one second runner, which has phase
Pair one second open end and one second closed end, which connects the sprue, and second open end was to should
The shortest distance in the first plate portion is greater than the shortest distance in second closed end to the first plate portion, and wherein the third plate portion is to cover
It is placed on a part of first isocon, and second closed end of second runner in the third plate portion is to appear
Another part of first isocon.
3. a kind of slit coating device, characterized by comprising:
One coating head, with a setting face and positioned at one first isocon in the setting face；And
One intermediate plate, is set on the setting face, which includes:
One first plate portion, one second plate portion and a third plate portion, the second plate portion are connected with the third plate portion in first plate
The side in portion and towards equidirectional extension protrude, the second plate portion and the third plate portion it is at a distance in the second plate portion with should
A sprue is formed between third plate portion, and the sprue, to connect the flow tube, which has one first runner,
First runner has opposite an open end and a closed end, which connects the sprue, and the open end is extremely
The shortest distance in the first plate portion is greater than the shortest distance in the closed end to the first plate portion；
Wherein, which is covered on a part of first isocon, and first runner in the second plate portion
The closed end appear another part of first isocon.
4. slit coating device as claimed in claim 3, wherein the third plate portion has one second runner, second shunting
Road has opposite one second open end and one second closed end, which connects the sprue, and this second is opened
The shortest distance in mouth end to the first plate portion is greater than the shortest distance in second closed end to the first plate portion, wherein the third plate
Portion is covered on a part of first isocon, and second closed end of second runner in the third plate portion appears
Another part of first isocon.
5. slit coating device as claimed in claim 3, wherein the coating head also has one second isocon, it is located at the setting
On face, second isocon and the first shunting tube side-by-side and one distance of holding, and second isocon is via first shunting
Road is connected to first isocon.
6. slit coating device as claimed in claim 5, wherein the coating head include one first main body that mutually assembles each other with
One second main body, first main body have one first lip, which has one second lip, first lip and this
A coating slit is collectively formed in two lips, and second isocon is compared with first isocon close to first lip.
7. slit coating device as claimed in claim 5, wherein the sectional area of first isocon and second isocon is
Definite value or underrange.
8. slit coating device as claimed in claim 6, wherein the spacing of first isocon and second isocon is less than
The width of first lip.
9. slit coating device as claimed in claim 6, wherein first isocon is close to the surface of first lip and this
Setting face have one first discharging angle, between 40 degree and 90 degree, second isocon close to first lip surface and
The setting face has one second discharging angle, between 30 degree and 90 degree.
10. slit coating device as claimed in claim 3, wherein the coating head has a coating injection inlet, be connected to this
One isocon.
11. slit coating device as claimed in claim 3, wherein the coating head have at least one coating slit that is connected with
And an at least coating injection inlet, and at least one coating slit connect first isocon with an at least coating injection inlet.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822049834.8U CN209334097U (en) | 2018-12-07 | 2018-12-07 | Intermediate plate and slit coating device |
| TW108100365A TWI686245B (en) | 2018-12-07 | 2019-01-04 | Shim plate and slot die head using the same |
| TW108200126U TWM577762U (en) | 2018-12-07 | 2019-01-04 | Clamp plate and slot die coating device using same |
| JP2019075941A JP2020089871A (en) | 2018-12-07 | 2019-04-11 | Shim and slot die head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822049834.8U CN209334097U (en) | 2018-12-07 | 2018-12-07 | Intermediate plate and slit coating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209334097U true CN209334097U (en) | 2019-09-03 |
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ID=67749488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822049834.8U Active CN209334097U (en) | 2018-12-07 | 2018-12-07 | Intermediate plate and slit coating device |
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| Country | Link |
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| CN (1) | CN209334097U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111282768A (en) * | 2018-12-07 | 2020-06-16 | 财团法人工业技术研究院 | Clamping piece and slit type coating device |
| CN111701768A (en) * | 2020-06-12 | 2020-09-25 | 东北大学 | Adjustable slit jet nozzle |
| CN112691843A (en) * | 2019-10-23 | 2021-04-23 | 财团法人工业技术研究院 | Slit type coating device |
-
2018
- 2018-12-07 CN CN201822049834.8U patent/CN209334097U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111282768A (en) * | 2018-12-07 | 2020-06-16 | 财团法人工业技术研究院 | Clamping piece and slit type coating device |
| CN112691843A (en) * | 2019-10-23 | 2021-04-23 | 财团法人工业技术研究院 | Slit type coating device |
| CN111701768A (en) * | 2020-06-12 | 2020-09-25 | 东北大学 | Adjustable slit jet nozzle |
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