CN209565185U - PVDF diaphragm coating unit - Google Patents
PVDF diaphragm coating unit Download PDFInfo
- Publication number
- CN209565185U CN209565185U CN201821936418.3U CN201821936418U CN209565185U CN 209565185 U CN209565185 U CN 209565185U CN 201821936418 U CN201821936418 U CN 201821936418U CN 209565185 U CN209565185 U CN 209565185U
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- CN
- China
- Prior art keywords
- transport mechanism
- diaphragm
- coating unit
- scraper plate
- sandwich
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- 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
Abstract
The utility model relates to a kind of PVDF diaphragm coating units comprising: frame body, the frame body is for installing coating unit；The transport mechanism that diaphragm is conveyed；And above the transport mechanism, sandwich that the slurry on diaphragm is struck off；Portal frame is provided with above the transport mechanism；One end of the sandwich is installed on the portal frame, and the other end of the sandwich and the surface of the transport mechanism are mutually arranged close to.The utility model have make slurry equally distributed effect on diaphragm.
Description
Technical field
The utility model relates to the technical fields of lithium ion battery manufacturing equipment, coat more particularly, to a kind of PVDF diaphragm
Device and its high-performance lithium ion separator product obtained.
Background technique
Deepening continuously and develop now with lithium ion battery applications, requirement of the people to its safety is also increasingly
It is high.Lithium ion battery generally comprises packaging bag, the battery core being placed in packaging and is poured into packaging bag and is filled in battery core
Electrolyte, battery core are by positive plate, negative electrode tab and the diaphragm being interval between positive plate and negative electrode tab.Diaphragm is as lithium-ion electric
Positive plate and negative electrode tab are spaced apart in pond, the important component to prevent short circuit, security performance is particularly important.
Now retrieve the Chinese patent of a Publication No. CN202570512U, wherein coating unit by closing magazine and
Gravure roll composition, closing magazine suit completely with gravure roll, reach sealing state, and feeding system is full of material to closing magazine, and
Slurry is transferred in gravure roll by continuous feeding, closing magazine, and gravure roll and diaphragm are run with the speed set, gravure roll rotation
Slurry is transferred to the surface of diaphragm.
Prior art among the above, which has the following deficiencies:, is coated in diaphragm for slurry in such a way that gravure roll rotates
On, still, the uniformity coefficient of coating metacneme spreading mass cannot be guaranteed.
Utility model content
The purpose of the utility model is to provide one kind to make slurry equally distributed PVDF diaphragm coating unit on diaphragm.
The above-mentioned purpose of utility model one of the utility model has the technical scheme that
A kind of PVDF diaphragm coating unit, comprising:
Frame body, the frame body is for installing coating unit；
The transport mechanism that diaphragm is conveyed；
And above the transport mechanism, sandwich that the slurry on diaphragm is struck off；The transmission
Portal frame is provided with above mechanism；
One end of the sandwich is installed on the portal frame, the other end of the sandwich and the conveyer
The surface of structure is mutually arranged close to.
By using above-mentioned technical proposal, when transport mechanism is transmitted the diaphragm after coating, sandwich is to painting
The slurry covered on metacneme is struck off, and is uniformly distributed slurry on diaphragm, while guaranteeing the physical property phase of diaphragm everywhere
Together；Compared with prior art, in the utility model, by the setting of sandwich, having reached divides slurry uniformly on diaphragm
The purpose of cloth.
The utility model is further arranged to: the sandwich includes:
The scraper plate that slurry on diaphragm is struck off；
Set on the portal frame backwards to described transport mechanism one end, driving scraper plate vertical lifting servo cylinder,
The servo cylinder piston end is straight down；
And one end be connected with the scraper plate backwards to described transport mechanism one end, the other end pass through the portal frame with
The connected hydraulic stem of the piston end of the servo cylinder.
By using above-mentioned technical proposal, scraper plate is every mould starching to carrying out striking off processing every the slurry on mould after coating
The thickness of material is uniform；Servo cylinder work, the vertical lifting of the telescopic band hydrodynamic compression bar of servo cylinder piston end, hydraulic stem erect
The vertical lifting of scraper plate is driven to expand making for sandwich so that scraper plate be made to strike off different-thickness every mould to lifting
Use range.
The utility model is further arranged to: the portal frame includes horizontally disposed cross bar, and in the cross bar
The vertical bar that two sides are oppositely arranged, the cross bar are located above the transport mechanism, and the vertical bar is extended downward into from the cross bar
The two sides of the transport mechanism；
The scraper plate two sides adjacent with the vertical bar are provided with sliding block；It is provided on the vertical bar and is mutually fitted with the sliding block
The vertical chute matched.
By using above-mentioned technical proposal, the setting of sliding block and sliding slot, make scraper plate vertical adjustment and transport mechanism it
Between it is vertical apart from when, scraper plate vertical lifting stability enhancing,
The utility model is further arranged to: the scraper plate is obliquely installed close to the transport mechanism side.
By using above-mentioned technical proposal, on the one hand convenient for striking off to the slurry after coating, one is on the other hand provided
Fixed stackeding space carries out accumulation in short-term to the slurry of scraper plate scraping.
The utility model is further arranged to: the servo cylinder and totally three groups of the hydraulic stem, three groups of servo cylinders
Uniform intervals are arranged on the portal frame.
By using above-mentioned technical proposal, three groups of servo cylinders are worked at the same time, and are on the one hand conducive to the vertical lifting of scraper plate, separately
On the one hand firm support strength is provided scraper plate when scraper plate stops and sliding.
The utility model is further arranged to: the sliding block and the sliding slot are disposed as T shape.
By using above-mentioned technical proposal, the shaking generated when sliding block slides vertically in sliding slot is limited, and then makes sliding block
Stablize when sliding vertically lifting in sliding slot；Increase the contact friction between sliding block and sliding slot simultaneously, is conducive to stop sliding in scraper plate
When dynamic, certain support is provided to scraper plate.
The utility model is further arranged to: the closing magazine surface tangent with gravure roll is evenly arranged with multiple horn-like
Material spraying hole.
By using above-mentioned technical proposal, reduces the slurry flowed out from closing magazine and got rid of again when gravure roll rotates into envelope
A possibility that closing in magazine.
The above-mentioned purpose of utility model two of the utility model has the technical scheme that
A kind of high-performance lithium ion separator product is made by above-mentioned PVDF diaphragm coating unit.
Pass through sandwich in conjunction with many advantages of above-mentioned PVDF diaphragm coating unit by using above-mentioned technical proposal
Setting, having reached makes slurry equally distributed purpose on diaphragm, while the quality of diaphragm obtained being made to be guaranteed.
In conclusion the advantageous effects of the utility model are as follows:
1. sandwich carries out the slurry on coating metacneme when transport mechanism is transmitted the diaphragm after coating
It strikes off, is uniformly distributed slurry on diaphragm, while guaranteeing that the physical property of diaphragm everywhere is identical；Compared with prior art, originally
In utility model, by the setting of sandwich, having reached makes slurry equally distributed purpose on diaphragm；
2. combining many advantages of above-mentioned PVDF diaphragm coating unit, by the setting of sandwich, having reached makes slurry
The equally distributed purpose on diaphragm, while the quality of diaphragm obtained being made to be guaranteed.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
In figure, 1, frame body；11, vertical plate；2, transport mechanism；3, sandwich；31, scraper plate；32, servo cylinder；33, liquid
Compression bar；4, portal frame；41, cross bar；42, vertical bar；5, sliding block；6, sliding slot；7, magazine is closed.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Referring to Fig.1, be a kind of PVDF diaphragm coating unit disclosed by the utility model, including frame body 1, transport mechanism 2 with
And sandwich 3.Frame body 1 provides installation site for the installation of coating unit, and frame body 1 is by two pieces of vertical plates 11 in cuboid shape
Composition；Transport mechanism 2 conveys diaphragm when diaphragm coats and after diaphragm coating, and transport mechanism 2 is transmitted using roll shaft；
Sandwich 3 is installed, the slurry on 3 pairs of sandwich coating metacnemes strikes off, makes above the transmission plane of transport mechanism 2
The thickness of diaphragm spreading mass is able to maintain unification, while the physical property everywhere in diaphragm being made to reach unanimity；2 top of transport mechanism
Portal frame 4 is installed, portal frame 4 includes horizontally disposed cross bar 41, and the vertical bar 42 being oppositely arranged in the two sides of cross bar 41,
Cross bar 41 is located at the top of transport mechanism 2, and vertical bar 42 extends downward into the two sides of transport mechanism 2 from cross bar 41, cross bar 41 and perpendicular
Bar 42 is in cuboid shape；Cross bar 41 is welded with 42 phase of vertical bar, and portal frame 4 is welded with 2 phase of transport mechanism；The one of sandwich 3
End is fixed on portal frame 4, and the other end of sandwich 3 is arranged close to the surface of transport mechanism 2.It is applied by 3 Duis of sandwich
It covers metacneme spreading mass to be struck off, makes the distribution uniformity of diaphragm spreading mass.
Closing magazine 7 and the tangent surface of gravure roll are evenly arranged with multiple horn-like material spraying hole (not shown)s, spray
Expect that large scale open at one end and the gravure roll in hole are mutually close, small orifices one end of material spraying hole is mutually arranged distant from gravure roll；
Above-mentioned setting, the slurry prevented in gravure roll to a certain extent are got rid of again in gravure roll rotation process into closing magazine 7
In.
Sandwich 3 includes: scraper plate 31, servo cylinder 32 and hydraulic stem 33.Servo cylinder 32 is mounted on by bolt
Portal frame 4 is backwards to 2 side of transport mechanism, and straight down, 32 piston end of servo cylinder connects hydraulic stem to 32 piston end of servo cylinder
33, hydraulic stem 33 and the piston end of servo cylinder 32 mutually weld, and hydraulic stem 33 is connected far from the side of 32 piston end of servo cylinder
There is scraper plate 31, hydraulic stem 33 is welded with 31 phase of scraper plate.Servo cylinder 32 works, and drives scraper plate 31 vertically to rise by hydraulic stem 33
Drop enables scraper plate 31 to the diaphragm for being coated with different-thickness slurry to adjust the vertical distance between scraper plate 31 and diaphragm
Or the diaphragm of different-thickness is struck off.
Scraper plate 31 is obliquely installed close to 2 side of transport mechanism, is scraped conducive to the slurry to membrane surface, and one
Degree is determined to the storage of slurry progress in short-term after scraping.
Servo cylinder 32 and totally three groups of hydraulic stem 33, three groups of servo cylinders 32 uniform intervals on portal frame 4 are arranged.It is logical
33 collective effect of three groups of servo cylinders 32 and hydraulic stem is crossed, is driven conducive to the oscilaltion to scraper plate 31.Scraper plate 31 and perpendicular
The adjacent two sides of bar 42 are provided with sliding block 5；The vertical chute 6 compatible with sliding block 5 is provided on vertical bar 42；Make scraper plate 31 upper
Stability enhancing when lower lifting, conducive to the adjusting to vertical distance between 2 transmission plane of scraper plate 31 and transport mechanism；The present embodiment
In, the horizontal cross-section of sliding block 5 and sliding slot 6 is disposed as T shape；In other implementations, the horizontal cross-section of sliding block 5 and sliding slot 6
It may be arranged as dove-tail form.
A kind of high-performance lithium ion separator product is made by above-mentioned PVDF diaphragm coating unit.When use possess it is many
When the PVDF diaphragm coating unit of advantage is made, having reached makes slurry equally distributed purpose on diaphragm, while making obtained
The quality of diaphragm is guaranteed.
The implementation principle of the present embodiment are as follows: before operation, scraper plate 31 and transport mechanism 2 are transmitted by servo cylinder 32
Vertical distance between face is adjusted, can be to the slurry of different-thickness to expand the scope of application of PVDF diaphragm coating unit
Material is struck off, or is struck off to the slurry on different-thickness diaphragm.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (7)
1. a kind of PVDF diaphragm coating unit characterized by comprising
Frame body (1), the frame body (1) is for installing coating unit；
The transport mechanism (2) that diaphragm is conveyed；
And it is set to sandwich (3) above the transport mechanism (2), being struck off to the slurry on diaphragm；The biography
It send and is provided with portal frame (4) above mechanism (2)；
One end of the sandwich (3) is installed on the portal frame (4), the other end of the sandwich (3) with it is described
The surface of transport mechanism (2) is mutually arranged close to.
2. PVDF diaphragm coating unit according to claim 1, which is characterized in that the sandwich (3) includes:
The scraper plate (31) that slurry on diaphragm is struck off；
Set on the portal frame (4) backwards to the transport mechanism (2) one end, driving scraper plate (31) vertical lifting servo
Cylinder (32), servo cylinder (32) piston end is straight down；
And one end and the scraper plate (31) be connected backwards to the transport mechanism (2) one end, the other end is across the portal frame
(4) hydraulic stem (33) being connected with the piston end of the servo cylinder (32).
3. PVDF diaphragm coating unit according to claim 2, which is characterized in that the portal frame (4) sets including level
The cross bar (41) set, and the vertical bar (42) being oppositely arranged in the two sides of the cross bar (41), the cross bar (41) are located at described
Above transport mechanism (2), the vertical bar (42) extends downward into the two sides of the transport mechanism (2) from the cross bar (41)；
The scraper plate (31) and the vertical bar (42) adjacent two sides are provided with sliding block (5)；Be provided on the vertical bar (42) with
The compatible the vertical chute (6) of the sliding block (5).
4. PVDF diaphragm coating unit according to claim 2, which is characterized in that the scraper plate (31) is close to the transmission
Mechanism (2) side is obliquely installed.
5. PVDF diaphragm coating unit according to claim 2, which is characterized in that the servo cylinder (32) and described
Totally three groups of hydraulic stem (33), three groups of servo cylinders (32) uniform intervals on the portal frame (4) are arranged.
6. PVDF diaphragm coating unit according to claim 3, which is characterized in that the sliding block (5) and the sliding slot
(6) it is disposed as T shape.
7. PVDF diaphragm coating unit according to claim 1, which is characterized in that closing magazine (7) and gravure roll are tangent
Surface be evenly arranged with multiple horn-like material spraying holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821936418.3U CN209565185U (en) | 2018-11-22 | 2018-11-22 | PVDF diaphragm coating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821936418.3U CN209565185U (en) | 2018-11-22 | 2018-11-22 | PVDF diaphragm coating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209565185U true CN209565185U (en) | 2019-11-01 |
Family
ID=68320979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821936418.3U Active CN209565185U (en) | 2018-11-22 | 2018-11-22 | PVDF diaphragm coating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209565185U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113926647A (en) * | 2021-10-11 | 2022-01-14 | 宁波宝能智能装备有限公司 | Coating machine |
-
2018
- 2018-11-22 CN CN201821936418.3U patent/CN209565185U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113926647A (en) * | 2021-10-11 | 2022-01-14 | 宁波宝能智能装备有限公司 | Coating machine |
| CN113926647B (en) * | 2021-10-11 | 2022-10-11 | 宁波宝能智能装备有限公司 | Coating machine |
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| GR01 | Patent grant |