CN205797652U - Extrusion coated head and there is the coating machine of this extrusion coated head - Google Patents
Extrusion coated head and there is the coating machine of this extrusion coated head Download PDFInfo
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- CN205797652U CN205797652U CN201620647376.6U CN201620647376U CN205797652U CN 205797652 U CN205797652 U CN 205797652U CN 201620647376 U CN201620647376 U CN 201620647376U CN 205797652 U CN205797652 U CN 205797652U
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- extrusion coated
- coated head
- squeezing passage
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Abstract
This utility model provides a kind of extrusion coated head, including: an extrusion head upper lip；One extrusion head lower lip, forms a squeezing passage between described extrusion head upper lip and described extrusion head lower lip, the opening that described squeezing passage is in communication with the outside is discharging opening；Multiple cavitys are spaced apart, and are connected with described squeezing passage respectively；And a charging aperture, described charging aperture with away from described discharging opening one described in cavity be connected, in order to input cell size in the plurality of cavity and described squeezing passage.This extrusion coated head is suitable for being coated with the cell size of high viscosity high solids content, it is ensured that coating uniform and stable.This utility model also provides for a kind of coating machine with described extrusion coated head.
Description
Technical field
This utility model relates to a kind of coating machine, particularly relates to the extrusion coated head of a kind of coating machine.
Background technology
Coating is requisite operation in lithium ion battery production process, is also to directly affect battery security, capacity
Critical process with properties such as concordance.Coating is exactly by the cell size made equably, be continuously or discontinuously coated with
Cloth is on base material (aluminium foil or Copper Foil), it is ensured that the consistency of thickness of each application place, and controls coating thickness to want in technique
In the margin of tolerance asked.
Current domestic conventional coating method has two kinds: transfer type coating and squash type are coated with.Transfer type coating is a kind of
Ripe technology, but its structure is complicated, and equipment debugging is loaded down with trivial details.And, the slurry of transfer type coating is in naked state (i.e. slurry
Expose in atmosphere), size performance is difficult to ensure that.
And extrusion coater technology is increasingly mature, its mechanism is simple, facility compact, and debugging is convenient.Additionally, in coating head
Slurry be in closed state, be hedged off from the outer world, it can be ensured that the improved seeds of slurry.And the painting of extrusion-coated coating machine
Cloth precision is more much higher than traditional transfer coater.Test result indicate that at present, the minimum thickness limit of transfer type coating is
50um, and squash type coating can reach 20um.Therefore, use extrusion coater that electrodes of lithium-ion batteries etc. is coated
Have become as development trend.
For large-capacity power lithium battery, its cell size has the feature of high viscosity, high solids content, if can be by this electricity
The design that it is critical only that extrusion coated head and cavity thereof on base material coated uniformly and stably by pond slurry, and existing extrusion coated
The cavity design of head does not meets the characteristic of the high viscosity high solids content slurry of large-capacity power lithium battery, not only affects the speed of coating
Degree, also cannot ensure the uniformity of coating.
Therefore, it is necessary to provide the extrusion coated head of the cell size of a kind of applicable coating high viscosity high solids content, to protect
Card coating is uniform and stable.
Utility model content
A purpose of the present utility model is to provide a kind of extrusion coated head, it is adaptable to coating high viscosity high solids content
Cell size is on base material, and ensures to be coated with uniform and stable.
Another object of the present utility model is to provide a kind of coating machine with extrusion coated head, it is adaptable to coating height is viscous
The cell size of degree high solids content is on base material, and ensures to be coated with uniform and stable.
For achieving the above object, this utility model provides a kind of extrusion coated head, including: an extrusion head upper lip；One extruding
Head lower lip, forms a squeezing passage between described extrusion head upper lip and described extrusion head lower lip, described squeezing passage connects with extraneous
Logical opening is discharging opening；Multiple cavitys are spaced apart, and are connected with described squeezing passage respectively；And a charging aperture,
Described charging aperture with away from described discharging opening one described in cavity be connected, in order to the plurality of cavity and described squeezing passage
Middle input cell size.
It is preferred that described cavity is two, two described cavitys be respectively near a refining chamber of described discharging openings and
A material stock chamber away from described discharging opening.
It is preferred that the distance of described refining chamber and described discharging opening is 45mm.
It is preferred that the cross section in described refining chamber is u-shaped, and its A/F is 20mm.
It is preferred that the distance in described refining chamber and described material stock chamber is 5mm.
It is preferred that the cross section semicircular in shape in described material stock chamber, and its a diameter of 50mm.
It is preferred that described charging aperture includes the inclined tube with the connection of described material stock chamber and be connected with described inclined tube
Straight tube.
It is preferred that the angle of the centrage of described inclined tube and described squeezing passage is 60 degree, described straight tube and described extruding
Passage be arranged in parallel and the distance of its centrage and described squeezing passage is 35mm.
It is preferred that described charging aperture is cylindrical, a diameter of 14.4mm of described charging aperture.
This utility model also provides for a kind of coating machine, including extrusion coated head as above.
Compared with prior art, extrude according to rheological behavior and the viscosity characteristics of cell size due to this utility model
Coating head and the design of cavity thereof, thus obtain optimal extrusion coated head and the shape of cavity thereof, so that cell size
Reach uniform and stable at the pressure of discharging opening, flow velocity, flow etc., be suitable for promoting the use of.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of this utility model extrusion coated head.
Fig. 2 is the axonometric chart that this utility model extrusion coated head shows a cross section.
Detailed description of the invention
Illustrate the several different most preferred embodiment of this utility model, wherein identical in different figures mark below with reference to the accompanying drawings
Number represent identical parts.
This utility model aims to provide a kind of coating machine and extrusion coated 1 thereof, it is adaptable to coating high viscosity high solids content
Cell size on base material, and ensure to be coated with uniform and stable.
As shown in Fig. 1～2, the extrusion coated 1 of coating machine includes extrusion head upper lip 11, extrusion head lower lip 12, many
Individual cavity 13 and a feed pipe 14.Forming a squeezing passage 15 between extrusion head upper lip 11 and extrusion head lower lip 12, extruding is logical
The opening that road 15 is in communication with the outside is discharging opening 151；Multiple cavitys 13 are in spaced apart, and are connected with squeezing passage 15 respectively
Logical；Feed pipe 14 is connected with the cavity 13 away from discharging opening 151, in order to input in multiple cavitys 13 and squeezing passage 15
Cell size.Specifically, cavity 13 is two, and two cavitys 13 are respectively near a refining chamber 131 of discharging openings 151 and remote
A material stock chamber 132 from discharging opening 151.Refining chamber 131 is 45mm with the distance of discharging opening 151, the cross section in refining chamber 131 in
U-shaped, and its A/F is 20mm, the degree of depth is 15mm.Refining chamber 131 is 5mm with the distance in material stock chamber 132.Material stock chamber 132
Cross section semicircular in shape, and its a diameter of 50mm.Feed pipe 14 include the inclined tube 141 that connects with material stock chamber 132 and with
The straight tube 142 that inclined tube 141 is connected, the centrage of inclined tube 141 is 60 degree with the angle of squeezing passage 15, and straight tube 142 is with crowded
Pressure passageway 15 is set in parallel and the distance of its centrage and squeezing passage 15 is 35mm.Feed pipe 14 is cylindrical, feed pipe
A diameter of 14.4mm of 14.
Compared with prior art, extrude according to rheological behavior and the viscosity characteristics of cell size due to this utility model
Coating head 1 and the design of cavity 13 thereof, thus obtain optimal extrusion coated 1 and the shape of cavity 13 thereof, so that electric
Pond slurry reaches uniform and stable at the pressure of discharging opening 151, flow velocity, flow etc., is suitable for promoting the use of.
Above disclosed only preferred embodiment of the present utility model, can not limit this practicality with this new certainly
The interest field of type, the equivalent variations therefore made according to this utility model claim, still belong to this utility model and contained
Scope.
Claims (10)
1. an extrusion coated head, it is characterised in that including:
One extrusion head upper lip；
One extrusion head lower lip, forms a squeezing passage between described extrusion head upper lip and described extrusion head lower lip, described extruding is led to
The opening that road is in communication with the outside is discharging opening；
Multiple cavitys are spaced apart, and are connected with described squeezing passage respectively；And
One charging aperture, described charging aperture with away from described discharging opening one described in cavity be connected, in order to the plurality of cavity
And described squeezing passage inputs cell size.
2. extrusion coated head as claimed in claim 1, it is characterised in that: described cavity is two, and two described cavitys are respectively
For the refining chamber near described discharging opening and the material stock chamber away from described discharging opening.
3. extrusion coated head as claimed in claim 2, it is characterised in that: described refining chamber with the distance of described discharging opening is
45mm。
4. extrusion coated head as claimed in claim 2, it is characterised in that: the cross section in described refining chamber is u-shaped, and it is opened
Mouth width is 20mm.
5. extrusion coated head as claimed in claim 2, it is characterised in that: described refining chamber with the distance in described material stock chamber is
5mm。
6. extrusion coated head as claimed in claim 2, it is characterised in that: the cross section semicircular in shape in described material stock chamber, and its
A diameter of 50mm.
7. extrusion coated head as claimed in claim 2, it is characterised in that: described charging aperture includes connecting with described material stock chamber
One inclined tube and the straight tube being connected with described inclined tube.
8. extrusion coated head as claimed in claim 7, it is characterised in that: the centrage of described inclined tube and described squeezing passage
Angle is 60 degree, and described straight tube be arranged in parallel with described squeezing passage and the distance of its centrage and described squeezing passage is
35mm。
9. extrusion coated head as claimed in claim 2, it is characterised in that: described charging aperture is cylindrical, described charging aperture
A diameter of 14.4mm.
10. a coating machine, it is characterised in that include the extrusion coated head described in any one of claim 1～9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620647376.6U CN205797652U (en) | 2016-06-23 | 2016-06-23 | Extrusion coated head and there is the coating machine of this extrusion coated head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620647376.6U CN205797652U (en) | 2016-06-23 | 2016-06-23 | Extrusion coated head and there is the coating machine of this extrusion coated head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205797652U true CN205797652U (en) | 2016-12-14 |
Family
ID=57506036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620647376.6U Active CN205797652U (en) | 2016-06-23 | 2016-06-23 | Extrusion coated head and there is the coating machine of this extrusion coated head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205797652U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111701767A (en) * | 2020-06-18 | 2020-09-25 | 江苏中关村嘉拓新能源设备有限公司 | Extrusion coating cleaning cavity series and cleaning method |
| CN114192342A (en) * | 2021-12-15 | 2022-03-18 | 中国科学院大连化学物理研究所 | High-uniformity coating head device for slit coating equipment and using method thereof |
-
2016
- 2016-06-23 CN CN201620647376.6U patent/CN205797652U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111701767A (en) * | 2020-06-18 | 2020-09-25 | 江苏中关村嘉拓新能源设备有限公司 | Extrusion coating cleaning cavity series and cleaning method |
| CN111701767B (en) * | 2020-06-18 | 2023-12-12 | 江苏嘉拓新能源智能装备股份有限公司 | Extrusion coating cleaning cavity system and cleaning method |
| CN114192342A (en) * | 2021-12-15 | 2022-03-18 | 中国科学院大连化学物理研究所 | High-uniformity coating head device for slit coating equipment and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |