CN208712074U - Contact is coated with bead structure and its extrusion coated head - Google Patents
Contact is coated with bead structure and its extrusion coated head Download PDFInfo
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- CN208712074U CN208712074U CN201820786488.9U CN201820786488U CN208712074U CN 208712074 U CN208712074 U CN 208712074U CN 201820786488 U CN201820786488 U CN 201820786488U CN 208712074 U CN208712074 U CN 208712074U
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- bead structure
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Abstract
Contact is coated with bead structure and its extrusion coated head, wherein, contact is coated with bead structure, lip main body is coated with including contact, the one side of the contact coating lip main body is pulp flow face, contact portion is equipped in the side far from the flow surface of contact coating lip main body, after the bottom surface that the contact portion is configured to the contact portion is in contact with substrate, the bottom in the pulp flow face is suspended in the top of the substrate, flows out when flowing out slurry in free state.The advantages of the utility model utilizes contact coating method, can achieve contactless Painting effect.
Description
Technical field
The utility model relates to a kind of improvement of extrusion coated head, especially a kind of contact coating bead structure and its extruding
Coating head.
Background technique
Existing wet feed extrusion coated is divided into contact-free applicator and contact applies such as the coating of electrode material of lithium battery
Cloth two major classes.So-called contact-free applicator refers to that coating head is suspended in above substrate, and slurry is extruded out from the slit of coating head
Afterwards, it is fallen on substrate by the mode of freely falling body, contact-free applicator has coating accuracy, and high (coating accuracy includes but is not limited to
Thickness, the indexs such as uniformity) the advantages of, the disadvantage is that contact-free applicator can only be likely to be coated in the case where there is back flow roll,
It can not be coated with when no back flow roll.
So-called contact coating (as shown in Figure 1) refers to the lip of the side coating lip 100 of extrusion coated head compared with the other side
The lip for being coated with lip (200) is long, and there is the coating lip 100 of long lip to be in contact with substrate 300, and slurry is from the narrow of coating head
After seam 400 is extruded out, flows on substrate 300 and be pulled away along 110 lateral surface of lip of longer coating lip 100, formed
Coating layer.Contact coating head is the surface current on the outside of longer lip after being extruded out from the slit of coating head due to slurry
Onto substrate, all the time, by the surface smoothness of longer lip lateral surface, and coating lip the factors such as material shadow
It rings, coating accuracy does not have contactless coating accuracy high.But its advantages are can to realize in the case where no back flow roll
Coating.
Place, status are used cooperatively it is necessary to use contact-free applicator mode with back flow roll to coating accuracy height；But
It is in some cases, such as to be limited by space when back flow roll can not be installed, quality selection contact coating can only be sacrificed.
Utility model content
Aiming at the above defects or improvement requirements of the prior art, the utility model provides a kind of utilization contact coating side
Formula can achieve the contact coating bead structure and its extrusion coated head of contactless Painting effect.
The technical solution of the utility model is: a kind of contact coating bead structure is provided, including contact is coated with lip main body,
The one side of the contact coating lip main body is pulp flow face, in contact coating lip main body far from the flowing
The side in face is equipped with contact portion, after the bottom surface that the contact portion is configured to the contact portion is in contact with substrate, the slurry
The bottom of flow surface is suspended in the top of the substrate, flows out when flowing out slurry in free state.
As the improvement to the utility model, the contact portion is to be coated with lip main body with the contact far from the bottom
Convex block.
As the improvement to the utility model, the bottom surface of the convex block is plane.
As the improvement to the utility model, the bottom surface of the convex block is cambered surface.
As the improvement to the utility model, the contact coating lip main body and contact portion are integrally formed.
As the improvement to the utility model, the contact coating lip main body and contact portion are made of wear-resistant material.
The utility model also provides a kind of extrusion coated head, and contacts that are opposite including two and setting are coated with lip main body, and two
One in a contact coating lip main body is coated with bead structure for above-mentioned contact.
The utility model is equipped with due to using in the side far from the flow surface of contact coating lip main body
Contact portion, after the bottom surface that the contact portion is configured to the contact portion is in contact with substrate, the bottom in the pulp flow face
It is suspended in the top of the substrate, the structure for flowing out slurry when flowing out in free state, in this way, connecing when no back flow roll is coated with
The bottom surface of contact portion can be in contact with substrate, have the function that back flow roll stabilized base material, meanwhile, the slurry outlet of coating head is suspended in base
Above material, and when slurry flows out, flows out in free state, as contactless Painting effect, in this way, just reaching with connecing
The mode of touch coating, has achieved the purpose that contactless Painting effect.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of the embodiment of existing contact coating head；
Fig. 2 is the schematic cross-sectional view of contact coating the first embodiment of bead structure of the utility model；
Fig. 3 is the schematic cross-sectional view of contact coating second of embodiment of bead structure of the utility model；
Fig. 4 is the surface structure schematic diagram of embodiment illustrated in fig. 3.
Fig. 5 is a kind of using state structure diagram of embodiment illustrated in fig. 4；
Fig. 6 is a kind of using state structure diagram of embodiment illustrated in fig. 3；
Fig. 7 is another using state structure diagram of embodiment illustrated in fig. 3.
Specific embodiment
The utility model is illustrated below with reference to concrete case.
Fig. 2 is referred to, what Fig. 2 was disclosed is the first embodiment of the contact coating bead structure of the utility model；This reality
A kind of contact coating bead structure of example offer is applied, including contact is coated with lip main body 1, the contact coating lip main body 1
One side is pulp flow face 11, is equipped with contact in the side far from the flow surface 11 of contact coating lip main body 1
Portion 12, after the bottom surface 121 that the contact portion 12 is configured to the contact portion 12 is in contact with substrate 2, the pulp flow face
11 bottom 111 is suspended in the top of the substrate 2, flows out when flowing out slurry in free state.In the present embodiment, the contact
Portion 12 is the convex block far from the bottom 111 with contact coating lip main body 1；The bottom surface 121 of the convex block is plane.Institute
It states contact coating lip main body 1 and contact portion 12 is integrally formed；The contact coating lip main body 1 and contact portion 12 are resistance to
It grinds made of material.
The present embodiment, which mixes the second contact coating lip main body 3, can be formed by a complete extrusion type coating head, when
When the present embodiment is coated on substrate 2 vertically downward or obliquely downwards, the bottom surface 121 of contact portion 12 is against the advance side of substrate 2
The position before can play the role of back flow roll stabilized base material 2 and not generate shake, meanwhile, the slurry outlet of coating head is suspended in
2 top of substrate, and (any of the extension of lip is not coated with by traditional contact in free state outflow when slurry outflow
Influence), as contactless Painting effect, in this way, just reaching the mode being coated with contact, reach contactless
The purpose of Painting effect.
Fig. 3 is referred to, what Fig. 3 was disclosed is second of embodiment of the contact coating bead structure of the utility model；This reality
A kind of contact coating bead structure of example offer is applied, including contact is coated with lip main body 1, the contact coating lip main body 1
One side is pulp flow face 11, is equipped with contact in the side far from the flow surface 11 of contact coating lip main body 1
Portion 12, after the bottom surface 121 that the contact portion 12 is configured to the contact portion 12 is in contact with substrate 2, the pulp flow face
11 bottom 111 is suspended in the top of the substrate 2, flows out when flowing out slurry in free state.In the present embodiment, the contact
Portion 12 is the convex block far from the bottom 111 with contact coating lip main body 1；The bottom surface 121 of the convex block is cambered surface, arc
Face contact is not easy to scratch substrate 2.The contact coating lip main body 1 and contact portion 12 are integrally formed；The contact applies
Cloth lip main body 1 and contact portion 12 are made of wear-resistant material.
The present embodiment, which mixes the second contact coating lip main body 3, can be formed by a complete extrusion type coating head, when
When this implementation is coated on substrate 2 vertically downward, no back flow roll coating can be played, the bottom surface 121 of contact portion 12 can be with base
Material 2 is in contact, and has the function that back flow roll stabilized base material 2, meanwhile, the slurry outlet of coating head is suspended in above substrate, and slurry
It is and contactless in free state outflow (not by any influence of the extension of traditional contact coating lip) when outflow
Painting effect is the same, in this way, just reaching the mode being coated with contact, has achieved the purpose that contactless Painting effect.
Fig. 4 is referred to, Fig. 4 is the surface structure schematic diagram of embodiment illustrated in fig. 3.From fig. 4, it can be seen that the contact
The face angle α being coated between the pulp flow face 11 and substrate 2 of lip main body 1 can select between 30 degree to 90 degree, that is,
Say, by include contact coating lip main body 1 and the coating head that constitutes of the second contact coating lip main body 3 can with before substrate
It is diagonally disposed into direction, it can also be arranged vertically with the direction of advance of substrate, can act as the effect of contact-free applicator.
Fig. 5 is referred to, Fig. 5 is a kind of using state structure diagram of embodiment illustrated in fig. 4；As can be seen from Fig., base
Outside material 2 can be horizontally orientated to, substrate 2 can be with capwise.Obviously, substrate can also be moved towards sideling (referring to Fig. 7).
Fig. 6 is a kind of using state structure diagram of embodiment illustrated in fig. 3；Substrate 2 in embodiment illustrated in fig. 6 is vertical
Directly move towards；Substrate 2 in Fig. 7 sideling moves towards.
The utility model also provides a kind of extrusion coated head, is coated with lip main body 1,3 including two contacts that are opposite and setting,
One in two contact coating lip main bodys 1,3 is coated with bead structure for above-mentioned contact.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not
To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change
Into etc., it should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of contact is coated with bead structure, including contact coating lip main body (1), contact coating lip main body (1)
One side is pulp flow face (11), it is characterised in that: in contact coating lip main body (1) far from the flow surface
(11) side is equipped with contact portion (12), and the contact portion (12) is configured to bottom surface (121) and the base of the contact portion (12)
After material (2) is in contact, the bottom (111) of the pulp flow face (11) is suspended in the top of the substrate (2), when flowing out slurry
It is flowed out in free state.
2. contact according to claim 1 is coated with bead structure, it is characterised in that: the contact portion (12) is far from described
The convex block of bottom (111) and contact coating lip main body (1).
3. contact according to claim 2 is coated with bead structure, it is characterised in that: the bottom surface (121) of the convex block is flat
Face.
4. contact according to claim 2 is coated with bead structure, it is characterised in that: the bottom surface (121) of the convex block is arc
Face.
5. being coated with bead structure to contact described in any one of 4 claims according to claim 1, it is characterised in that: institute
It states contact coating lip main body (1) and contact portion (12) is integrally formed.
6. being coated with bead structure to contact described in any one of 4 claims according to claim 1, it is characterised in that: institute
It states contact coating lip main body (1) and contact portion (12) is made of wear-resistant material.
7. being coated with bead structure according to contact described in claim 5 claim, it is characterised in that: the contact is coated with lip
Main body (1) and contact portion (12) are made of wear-resistant material.
8. a kind of extrusion coated head is coated with lip main body (1,3) including two contacts that are opposite and setting, it is characterised in that: two
Contact is coated with one in lip main body (1,3) as contact coating described in any one of claim 1-7 claim
Bead structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820786488.9U CN208712074U (en) | 2018-05-25 | 2018-05-25 | Contact is coated with bead structure and its extrusion coated head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820786488.9U CN208712074U (en) | 2018-05-25 | 2018-05-25 | Contact is coated with bead structure and its extrusion coated head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208712074U true CN208712074U (en) | 2019-04-09 |
Family
ID=65970768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820786488.9U Active CN208712074U (en) | 2018-05-25 | 2018-05-25 | Contact is coated with bead structure and its extrusion coated head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208712074U (en) |
-
2018
- 2018-05-25 CN CN201820786488.9U patent/CN208712074U/en active Active
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