CN206610863U - Extrusion coated die head - Google Patents
Extrusion coated die head Download PDFInfo
- Publication number
- CN206610863U CN206610863U CN201720171804.7U CN201720171804U CN206610863U CN 206610863 U CN206610863 U CN 206610863U CN 201720171804 U CN201720171804 U CN 201720171804U CN 206610863 U CN206610863 U CN 206610863U
- Authority
- CN
- China
- Prior art keywords
- die head
- extrusion coated
- pump
- screw rod
- head body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 238000001125 extrusion Methods 0.000 title claims abstract description 32
- 238000007599 discharging Methods 0.000 claims abstract description 45
- 238000000576 coating method Methods 0.000 claims abstract description 15
- 238000006073 displacement reaction Methods 0.000 claims abstract description 15
- 239000011248 coating agent Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 4
- 239000002002 slurry Substances 0.000 abstract description 40
- 238000003892 spreading Methods 0.000 abstract description 2
- 238000005054 agglomeration Methods 0.000 abstract 1
- 230000002776 aggregation Effects 0.000 abstract 1
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 235000009854 Cucurbita moschata Nutrition 0.000 description 1
- 240000001980 Cucurbita pepo Species 0.000 description 1
- 235000009852 Cucurbita pepo Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007765 extrusion coating Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 235000020354 squash Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Coating Apparatus (AREA)
Abstract
The utility model discloses a kind of extrusion coated die head, including die head body, set in the die head body on die cavity, the die head body and the discharging opening that setting is connected with die cavity on charging aperture, the die head body is set, the discharging opening extends along coating width direction, also include displacement pump, the displacement pump includes the pump housing and actuating unit, and the pump housing is arranged in die cavity, the charging aperture is connected with the pump housing, and the actuating unit is arranged on die head body exterior.Slurry is solved in discharging opening and the agglomeration of die internal；The deaeration efficiency of slurry is improved, the bubble in slurry is reduced；Improve the uniformity of pole piece spreading mass coating so that the surface density of pole piece is more uniform.
Description
Technical field
The utility model is related to a kind of extrusion coated die head.
Background technology
In lithium ion battery production process, directly slurry is coated on collector using squash type coating method, is coated with
The quality of process directly determines the performance of lithium ion battery.
Existing extrusion coated die head first passes around the independent screw pump feed for being arranged on outside, then by valve system
System, opens valve, allows slurry to enter intracavitary from the charging aperture of die head as needed, after die head intracavitary is entered, depended on pressure stream
Cavity is moved everywhere, eventually through a discharging opening Extrusion Coating to foil surface, if slurry occurs when discharging opening is extruded
The uneven phenomenon of transverse pressure, then can cause the pole piece surface density cross direction profiles of coating out uneven, influence the work of battery core
Make performance.
Utility model content
The utility model provides and sets charging on a kind of extrusion coated die head, including die head body, the die head body
Mouthful, the discharging opening for setting and being connected with die cavity on die cavity, the die head body is set in the die head body, and the discharging opening edge is applied
Cloth width extends, in addition to displacement pump, and the displacement pump includes the pump housing and actuating unit, and the pump housing is arranged on die cavity
Interior, the charging aperture is connected with the pump housing, and the actuating unit is arranged on die head body exterior.
Displacement pump include actuating unit and the pump housing, actuating unit in motor, and gear or power transmission shaft or driving belt extremely
A kind of few part is constituted, and the pump housing is changed and mobile come trandfer fluid in the presence of actuating unit by spatial volume.The pump housing is set
Put in die cavity and connected with charging aperture, slurry enters the pump housing by charging aperture, and the type of flowing to is filled up in the presence of displacement pump
Chamber everywhere, is extruded finally by discharging opening.
Preferably, the one kind of the displacement pump in screw pump and gear pump.
Screw pump be by the pump housing (screw rod with screw rod bushing is formed engage space) swept volume change and move
Come the drum pump for conveying liquid or being allowed to supercharging, possesses flow trim, pressure fluctuation is small, have suction capacity and the low spy of noise
Point, is adapted to the conveying of slurry.
Gear pump is swept volume change and movement by the pump housing (space that pumping cylinder is formed with gear) to convey liquid
Body or the drum pump for being allowed to supercharging, possess the characteristics of self-suction is strong, are also applied for the conveying of slurry.
Preferably, the displacement pump is screw pump, the pump housing of screw pump includes at least one screw rod and screw rod bushing, institute
Screw rod bushing is stated to match each other with screw rod.Screw rod includes varying pitch and/or same pitch screw.
Screw rod is a kind of eccentric screw body, is set directly in die cavity, and in the inner surface setting and the screw rod of die cavity
The screw rod bushing matched.When slurry enters in die cavity, it is extruded with the continuous rotation of screw rod, and be evenly distributed in die cavity
Remaining space in.Screw rod includes a kind of conveyor screw of single direction rotation.
Preferably, the quantity of the screw rod is one.
Preferably, the quantity of the screw rod is the setting that is arranged above and below between at least two, and screw rod.
The quantity of screw rod is the setting that is arranged above and below between at least two, and screw rod, is conveyed by two screw rod intermeshings
Slurry, improves the extruding of the slurry between the efficiency of slurry conveying, twin-screw and is capable of the scattered of auxiliary slurry, and be conducive to type
The slurry of intracavitary is evenly distributed.
Preferably, the quantity of the screw rod is two, the extruding end of two screw rods is oppositely arranged, and two screw rods are set
Put on same straight line.
The extruding end of two screw rods is oppositely arranged, and two screw rods are arranged on same straight line, effectively improve slurry
Transfer efficiency, and be conducive to being evenly distributed for slurry in die cavity.
Preferably, the screw rod is the conveyor screw of single direction rotation.
Preferably, the screw rod is made up of two sections of opposite conveyor screws of the hand of spiral.
Screw rod is made up of two sections of opposite conveyor screws of the hand of spiral, during screw rod pump work, two sections of conveyor screws rotation on screw rod
Turn make it that the slurry each extruded is in opposite direction so that slurry is extruded to die cavity between this two sections of conveyor screws, is conducive to slurry
Material is uniformly distributed in die cavity.It is furthermore preferred that two sections of conveyor screws of composition screw rod are mutually symmetrical with.
Preferably, the displacement pump is gear pump, the pump housing of gear pump includes at least one strip gear.
Preferably, the quantity of the strip gear is the setting that is arranged above and below between two, and strip gear；On two
The strip gear of lower spread configuration, which rotates, causes slurry to be extruded between the two strip gears to die cavity, is conducive to slurry to exist
It is uniformly distributed in die cavity.
Preferably, also setting up at least one discharge gate on the die head body.
At least one discharge gate is also set up on die head body, there may be sky during pulp flow in die cavity
Gas, sets discharge gate, and discharge gate is opened when needed, and slurry is circulated into defoaming device, effectively can removed in slurry
Bubble.
Preferably, the discharge gate is arranged on die head body close to middle position.
When only one of which discharge gate, discharge gate is arranged on die head body close to middle position and is more beneficial for slurry
Into defoaming device, the efficiency of deaeration is improved.Discharge gate, which is arranged on die head body close to middle position, refers to discharge gate
It is arranged on the intermediate region on die head body, it is not necessary to be the position for being in die head body middle in theory.
Preferably, the quantity of the discharge gate is two, and it is separately positioned on the end positions of die head body.
When there are more than two discharge gates, the end positions of die head body are separately positioned on, are conducive to raising slurry to take off
The efficiency of bubble.
Preferably, the two ends of the die head body are respectively provided with charging aperture.
Screw rod is made up of two sections of opposite conveyor screws of the hand of spiral, and is respectively provided with charging aperture at the two ends of die head body,
Slurry is extruded in the presence of screw rod to die cavity centre position, is conducive to be distributed dividing equally for slurry.
Preferably, setting cushion chamber between the die cavity and discharging opening, the cushion chamber connects with die cavity, discharging opening
It is logical.
Cushion chamber is set between die cavity and discharging opening, and cushion chamber is connected with die cavity, discharging opening, and slurry is in displacement pump
In the presence of extrude and be distributed in die cavity, then the effect for dividing equally distribution is improved by cushion chamber, is finally extruded, carried by discharging opening
The high uniformity coefficient of coating.It is further preferred that the volume of the cushion chamber is less than or equal to the volume of die cavity.
Use after the technical scheme that the utility model is provided, solved reunion of the slurry in discharging opening and die internal
Phenomenon；The deaeration efficiency of slurry is improved, the bubble in slurry is reduced；The uniformity of pole piece spreading mass coating is improved, is made
The surface density for obtaining pole piece is more uniform and stable.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of extrusion coated die head disclosed in the utility model；
Fig. 2 is the schematic diagram of another extrusion coated die head disclosed in the utility model；
Fig. 3 is the schematic diagram of another extrusion coated die head disclosed in the utility model；
Fig. 4 is a kind of sectional view of extrusion coated die head disclosed in the utility model；
Fig. 5 is the sectional view of another extrusion coated die head disclosed in the utility model；
Wherein, 1. die head bodies, 11. charging apertures, 12. discharge gates, 13. discharging openings, 14. die cavities, 15. cushion chambers, 2. spiral shells
Bar pump, 21. screw rods, 22. screw rod bushings, 23. motors, 24. strip gears.
Embodiment
Embodiment of the present utility model is described below in conjunction with the accompanying drawings, but the utility model is not restricted to following implementation
Example.
Embodiment 1
Set as shown in figure 1, the present embodiment is provided on a kind of extrusion coated die head, including die head body 1, die head body 1
Charging aperture 11, discharge gate 12 and discharging opening 13, charging aperture 11 are arranged on the end of die head body 1, and discharging opening 13 is along coating width
Direction extends, and die cavity 14 is set in die head body 1, and die cavity 14 is connected with charging aperture 11, and die cavity 14 is connected with discharging opening 13；Discharge
Mouth 12 is arranged on the centre position of die head body 1, and is connected with die cavity 14, and discharge gate 12 is just opened when needing deaeration,
It is to close under the working condition of coating.
Further comprises screw pump 2, screw pump 2 include motor 23, in actuating unit other drive disk assemblies (universal component,
Show not in the drawings), screw rod 21 and matching screw rod bushing 22, motor 23 and associated actuator part are arranged on die head sheet
Outside body 1, screw rod 21 and screw rod bushing 22 are arranged in die cavity 14, and screw rod 21 is a kind of one-way spiral body, charging aperture 11 with
Screw pump 2 in die cavity 14 is connected, and slurry enters screw pump 2 by charging aperture 11, fills up and flow in the presence of screw pump 2
Die cavity 14 everywhere, is extruded finally by discharging opening 13.
Embodiment 2
Set as shown in Fig. 2 the present embodiment is provided on a kind of extrusion coated die head, including die head body 1, die head body 1
Charging aperture 11, discharge gate 12 and discharging opening 13, the quantity of charging aperture 11 is two and is separately positioned on two of die head body 1
End, discharging opening 13 extends along coating width direction, and die cavity 14 is set in die head body 1, and die cavity 14 is connected with discharging opening 13；Row
Material mouth 12 is arranged on the end positions of die head body 1, and is connected with die cavity 14, and discharge gate 12 is just opened when needing deaeration,
It is to close under the working condition of coating.
Further comprises screw pump 2, screw pump 2 include motor 23, in actuating unit other drive disk assemblies (universal component,
Show not in the drawings), screw rod 21 and matching screw rod bushing 22, motor 23 and associated actuator part are arranged on die head sheet
Outside body 1, screw rod 21 and screw rod bushing 22 are arranged in die cavity 14, and screw rod 21 is opposite and mutually relative by two sections of hands of spiral
The conveyor screw composition of title, charging aperture 11 is connected with the screw pump 2 in die cavity 14, and slurry enters screw pump 2 by charging aperture 11,
Filled up in the presence of screw pump 2 and flow to die cavity 14 everywhere, extruded finally by discharging opening 13.
Embodiment 3
Set as shown in figure 3, the present embodiment is provided on a kind of extrusion coated die head, including die head body 1, die head body 1
Charging aperture 11, discharge gate 12, discharging opening 13 and die cavity 14, the quantity of charging aperture 11 is two and is separately positioned on die head body
1 two ends, discharging opening 13 extends along coating width direction, and die cavity 14 is connected with discharging opening 13；Discharge gate 12 is arranged on mould
The end positions of head body 1, and connected with die cavity 14, discharge gate 12 is just opened when needing deaeration, in the work shape of coating
It is to close under state.Cushion chamber 15, and cushion chamber 15 and die cavity 14, discharging opening 13 are also set up between die cavity 14 and discharging opening 13
Maked somebody a mere figurehead and connected by the pad in the middle of die head body 1.
Further comprises screw pump 2, screw pump 2 include motor 23, in actuating unit other drive disk assemblies (universal component,
Show not in the drawings), screw rod 21 and matching screw rod bushing 22, motor 23 and associated actuator part are arranged on die head sheet
Outside body 1, screw rod 21 and screw rod bushing 22 are arranged in die cavity 14, and screw rod 21 is opposite and mutually relative by two sections of hands of spiral
The conveyor screw composition of title, charging aperture 11 is connected with the screw pump 2 in die cavity 14, and slurry enters screw pump 2 by charging aperture 11,
Filled up in the presence of screw pump 2 and flow to die cavity 14 everywhere, in the presence of cushion chamber 15, slurry is further uniformly distributed, most
Extruded afterwards by discharging opening 13.
Embodiment 4
Set as shown in figure 4, the present embodiment is provided on a kind of extrusion coated die head, including die head body 1, die head body 1
Charging aperture 11, discharge gate 12, discharging opening 13 and die cavity 14, charging aperture 11 are arranged on the end of die head body 1, and discharging opening 13 is along painting
Cloth width extends, and die cavity 14 is connected with discharging opening 13；Discharge gate 12 is arranged on the centre position of die head body 1, and with
Die cavity 14 is connected, and discharge gate 12 is just opened when needing deaeration, is to close under the working condition of coating.Die cavity 14 and discharging
Cushion chamber 15 is also set up between mouth 13, and cushion chamber 15 is connected with die cavity 14, discharging opening 13.
Screw pump is further comprises, screw pump (shows not in the drawings including other drive disk assemblies in motor, actuating unit
Show), screw rod 21 and matching screw rod bushing (showing not in the drawings), motor and associated actuator part are arranged on die head sheet
Outside body 1, screw rod 21 and screw rod bushing are arranged in die cavity 14, and the quantity of screw rod 21 is two, and setting up and down, screw rod
21 be a kind of one-way spiral body, and charging aperture 11 is connected with the screw pump in die cavity 14, and slurry enters screw pump by charging aperture 11,
Filled up in the presence of screw pump and flow to die cavity 14 everywhere, in the presence of cushion chamber 15, slurry is further uniformly distributed, most
Extruded afterwards by discharging opening 13.
Embodiment 5
Set as shown in figure 5, the present embodiment is provided on a kind of extrusion coated die head, including die head body 1, die head body 1
Charging aperture 11, discharge gate 12, discharging opening 13 and die cavity 14, charging aperture 11 are arranged on the end of die head body 1, and discharging opening 13 is along painting
Cloth width extends, and die cavity 14 is connected with discharging opening 13；Discharge gate 12 is arranged on the centre position of die head body 1, and with
Die cavity 14 is connected, and discharge gate 12 is just opened when needing deaeration, is to close under the working condition of coating.Die cavity 14 and discharging
Cushion chamber 15 is also set up between mouth 13, and cushion chamber 15 is connected with die cavity 14, discharging opening 13.
Gear pump is further comprises, gear pump (shows not in the drawings including other drive disk assemblies in motor, actuating unit
Show) and strip gear 24, motor and associated actuator part be arranged on outside die head body 1, and strip gear 24 is arranged on die cavity 14
Interior, the quantity of strip gear 24 is two, and setting up and down, and charging aperture 11 is connected with the gear pump in die cavity 14, and slurry leads to
Cross charging aperture 11 and enter gear pump, filled up in the presence of gear pump and flow to die cavity 14 everywhere, in the presence of cushion chamber 15,
Slurry is further uniformly distributed, and is extruded finally by discharging opening 13.
It should be noted that these above-mentioned descriptions are intended merely to explain principle of the present utility model, and can not be with any
Mode is construed to the concrete restriction to the utility model protection domain.Based on explanation herein, those skilled in the art is not
Other embodiments of the present utility model or equivalent substitution can be associated by paying creative work, fall within this practicality
New protection domain.
Claims (16)
- Set 1. being set on a kind of extrusion coated die head, including die head body, the die head body in charging aperture, the die head body The discharging opening that setting is connected with die cavity on die cavity, the die head body is put, the discharging opening extends along coating width direction, and it is special Levy and be：Also include displacement pump, the displacement pump includes the pump housing and actuating unit, and the pump housing is arranged in die cavity, it is described enter Material mouth is connected with the pump housing, and the actuating unit is arranged on die head body exterior.
- 2. extrusion coated die head according to claim 1, it is characterised in that：The displacement pump is selected from screw pump and gear pump In one kind.
- 3. extrusion coated die head according to claim 1, it is characterised in that：The displacement pump is screw pump, screw pump The pump housing includes at least one screw rod and screw rod bushing, and the screw rod bushing matches each other with screw rod.
- 4. extrusion coated die head according to claim 3, it is characterised in that：The quantity of the screw rod is one.
- 5. extrusion coated die head according to claim 3, it is characterised in that：The quantity of the screw rod is two, and spiral shell Be arranged above and below setting between bar.
- 6. extrusion coated die head according to claim 3, it is characterised in that：The quantity of the screw rod is two, two spiral shells The extruding end of bar is oppositely arranged, and two screw rods are arranged on same straight line.
- 7. according to any described extrusion coated die head of claim 3 to 6, it is characterised in that：The screw rod is single direction rotation Conveyor screw.
- 8. according to any described extrusion coated die head of claim 3 to 6, it is characterised in that：The screw rod is by two sections of spiral sides Constituted to opposite conveyor screw.
- 9. extrusion coated die head according to claim 1, it is characterised in that：The displacement pump is gear pump, gear pump The pump housing includes at least one strip gear.
- 10. extrusion coated die head according to claim 9, it is characterised in that：The quantity of the strip gear is two, and And the setting that is arranged above and below between strip gear.
- 11. extrusion coated die head according to claim 1, it is characterised in that：At least one is also set up on the die head body Individual discharge gate.
- 12. extrusion coated die head according to claim 11, it is characterised in that：The discharge gate is arranged on die head body Close to middle position.
- 13. extrusion coated die head according to claim 11, it is characterised in that：The quantity of the discharge gate is two, and And it is separately positioned on the end positions of die head body.
- 14. extrusion coated die head according to claim 1, it is characterised in that：The two ends of the die head body be respectively provided with into Material mouth.
- 15. extrusion coated die head according to claim 1, it is characterised in that：Set between the die cavity and discharging opening slow Chamber is rushed, the cushion chamber is connected with die cavity, discharging opening.
- 16. extrusion coated die head according to claim 15, it is characterised in that：The volume of the cushion chamber is less than or equal to type The volume of chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720171804.7U CN206610863U (en) | 2017-02-24 | 2017-02-24 | Extrusion coated die head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720171804.7U CN206610863U (en) | 2017-02-24 | 2017-02-24 | Extrusion coated die head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206610863U true CN206610863U (en) | 2017-11-03 |
Family
ID=60168242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720171804.7U Withdrawn - After Issue CN206610863U (en) | 2017-02-24 | 2017-02-24 | Extrusion coated die head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206610863U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511672A (en) * | 2017-02-24 | 2018-09-07 | 微宏动力系统（湖州）有限公司 | Extrusion coated die head |
| CN108511672B (en) * | 2017-02-24 | 2024-07-05 | 微宏动力系统（湖州）有限公司 | Extrusion coating die head |
-
2017
- 2017-02-24 CN CN201720171804.7U patent/CN206610863U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108511672A (en) * | 2017-02-24 | 2018-09-07 | 微宏动力系统（湖州）有限公司 | Extrusion coated die head |
| CN108511672B (en) * | 2017-02-24 | 2024-07-05 | 微宏动力系统（湖州）有限公司 | Extrusion coating die head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171103 Effective date of abandoning: 20240705 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20171103 Effective date of abandoning: 20240705 |