CN112044680A - Manufacturing method of coating gasket with uniform coating density - Google Patents
Manufacturing method of coating gasket with uniform coating density Download PDFInfo
- Publication number
- CN112044680A CN112044680A CN202010895074.1A CN202010895074A CN112044680A CN 112044680 A CN112044680 A CN 112044680A CN 202010895074 A CN202010895074 A CN 202010895074A CN 112044680 A CN112044680 A CN 112044680A
- Authority
- CN
- China
- Prior art keywords
- gasket
- inflection point
- point position
- coating
- uniform coating
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0254—Coating heads with slot-shaped outlet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0254—Coating heads with slot-shaped outlet
- B05C5/0258—Coating heads with slot-shaped outlet flow controlled, e.g. by a valve
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a manufacturing method of a coating gasket with uniform coating density, and belongs to the field of gaskets. A manufacturing method of a coating gasket with uniform coating density comprises the steps of determining the size of the coating gasket to be manufactured and stainless steel materials according to using requirements, obtaining the coating gasket after compression molding, respectively hollowing out a semicircular area on the left inner side and the right inner side of the coating gasket, respectively conducting chamfering and fillet treatment on connecting inflection points of the obtained coating gasket, and respectively conducting polishing treatment on the hollowed area of the coating gasket and the chamfering and fillet positions of the coating gasket to obtain the coating gasket with uniform coating density.
Description
Technical Field
The invention relates to the field of gaskets, in particular to a manufacturing method of a coating gasket with uniform coating density.
Background
The lithium ion battery has the advantages of high working voltage, high energy density, small volume, large capacity, long cycle life, no memory effect and the like, and is widely applied to the fields of consumer electronics, power batteries and the like. The coating of the gasket is an important process for the production of the lithium ion battery, and the coating quality of the gasket directly determines the performance of the gasket and the battery.
The gasket used for coating in the battery industry at present adopts a mode of strip-slit type nozzle and cavity extrusion, wherein a single-cavity die head is not provided with a buffer cavity, and after slurry enters from the middle of the cavity, the pressure in the cavity is inconsistent, so that the phenomena of higher coating surface density in the middle area and lower coating surface density in the two side areas can occur.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to provide a method for manufacturing a coating gasket with uniform coating density, which can achieve the effect of enabling the surface density of each area in the coating process to be consistent, can enable slurry in a feeding cavity to have stronger fluidity, effectively avoids precipitation or gel caused by long-time non-flowing of the slurry, and further can improve the consistency of the coating weight and the problem of particle scratch.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A manufacturing method of a coating gasket with uniform coating density comprises the following steps:
s1, determining the size of the coating gasket to be manufactured and stainless steel materials according to the use requirements, and obtaining the coating gasket after press forming;
s2, respectively hollowing out a semicircular area on the left inner side and the right inner side of the coating gasket obtained in the S1;
s3, chamfering and fillet processing are respectively carried out on the connecting inflection points of the coating gasket obtained in the S1;
and S4, polishing the hollowed area of the coating pad in the S2 and the chamfer and fillet of the coating pad in the S3 respectively to obtain the coating pad with uniform coating density.
Furthermore, the coating gasket in S1 includes gasket main part and connects in the gasket pillar of two symmetries of gasket main part upper end, and two gasket pillars and gasket main part formula structures as an organic whole, the position department that the gasket main part upper end is located two gasket pillars inboard sets firmly two symmetrical reposition of redundant personnel pillars, semicircular region locates one side that the gasket pillar is close to reposition of redundant personnel pillar and links up with gasket main part upper end, and semicircular region' S radius is 30 mm.
Furthermore, the chamfer is respectively arranged at the connecting inflection point position of one end, which is far away from each other, of the two gasket support columns and the connecting inflection point position of the left bottom end and the right bottom end of the gasket main body.
Furthermore, chamfers at the connecting inflection points of the ends, far away from each other, of the two gasket struts are both C1.
Furthermore, chamfers at the positions of connecting inflection points of the left bottom end and the right bottom end of the gasket main body are both C3.
Further, the fillet is respectively arranged at the upper connecting inflection point position at the upper part of one side where the two gasket struts are close to each other, the connecting inflection point positions at the upper ends of the left end and the right end of the two shunt struts, the connecting inflection point position between the bottom ends of the two shunt struts and the upper end of the gasket main body, the lower connecting inflection point position in one side where the two shunt struts are close to each other, the connecting inflection point position at the inner side of the shunt strut, the inner connecting inflection point position where the two gasket struts are close to each other, and the connecting inflection point position of the semicircular area and the.
Furthermore, the round corners of the upper part of one side, close to each other, of each of the two gasket support columns at the connection inflection point position and the round corners of the upper ends of the left and right of the two shunt support columns at the connection inflection point position are both R6.
Furthermore, the fillets at the connecting inflection point position between the bottom end of the two shunt pillars close to each other and the upper end of the gasket main body, at the connecting inflection point position of the lower middle part of one side of the two shunt pillars close to each other and at the connecting inflection point position of the inner side of the shunt pillars are all R5.
Furthermore, the round angles at the connecting inflection point between the bottom end of the two shunt pillars far away from each other and the upper end of the gasket main body and at the connecting inflection point at the inner sides of the two gasket pillars close to each other are both R20.
Further, the fillet at the connecting inflection point of the semicircular area and the gasket strut is R15.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) in the scheme, the left and right sides of the coating gasket are hollowed out to form semicircular areas, so that the space of the left and right side discharge cavities can be increased, and the pressure of each area in the cavity is effectively ensured to be consistent, so that the phenomena that the coating surface density of the middle area is high and the coating surface density of the two areas is low are not easy to occur.
(2) The fillet of the connecting turning point department of each position is handled in the coating gasket, can let the thick liquids mobility of feed intracavity more strengthen, can effectively avoid thick liquids not flow for a long time and lead to sediment or gel, and then can improve coating weight uniformity and granule mar problem.
(3) The chamfer angle of each part of the coating gasket is convenient for the installation of the coating gasket and external extrusion heads and other structures.
Drawings
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a schematic structural view of a coated gasket portion of the present invention;
FIG. 3 is a schematic size diagram of a coated gasket portion of the present invention.
The reference numbers in the figures illustrate:
1 shim body, 2 semicircular areas, 3 shim legs, 4 shunt legs.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, a method for manufacturing a coated gasket with uniform coating density includes the following steps:
s1, determining the size of the coating gasket to be manufactured and stainless steel materials according to the use requirements, and obtaining the coating gasket after press forming;
s2, respectively hollowing out a semicircular area 2 on the left inner side and the right inner side of the coating gasket obtained in the S1;
s3, chamfering and fillet processing are respectively carried out on the connecting inflection points of the coating gasket obtained in the S1;
and S4, polishing the hollowed area of the coating pad in the S2 and the chamfer and fillet of the coating pad in the S3 respectively to obtain the coating pad with uniform coating density.
The coating gasket in S1 includes gasket main part 1 and connects in two symmetrical gasket pillar 3 of gasket main part 1 upper end, and two gasket pillar 3 and gasket main part 1 formula structures as an organic whole, and the position department that gasket main part 1 upper end is located two gasket pillar 3 inboard sets firmly two symmetrical reposition of redundant personnel pillars 4, and semicircular region 2 locates one side that gasket pillar 3 is close to reposition of redundant personnel pillar 4 and links up mutually with gasket main part 1 upper end, and semicircular region 2' S radius is 30 mm.
The chamfer is respectively arranged at the connecting inflection point position of one end of each of the two gasket struts 3 which are far away from each other and the connecting inflection point position of the left bottom end and the right bottom end of the gasket main body 1.
The chamfers at the connecting inflection points of the ends of the two gasket struts 3 which are far away from each other are both C1.
Chamfers at the connecting inflection points of the left and right bottom ends of the gasket body 1 are all C3.
The fillet is located two gasket pillars 3 one side upper portion that is close to each other and is connected inflection point position department, two reposition of redundant personnel pillar 4 left and right sides two upper ends connect inflection point position department, the connection inflection point position department between two reposition of redundant personnel pillar 4 bottoms and gasket main part 1 upper end, two reposition of redundant personnel pillar 4 one side middle and lower part connection inflection point position department that is close to each other, reposition of redundant personnel pillar 4 inboard connection inflection point position department, two gasket pillars 3 inboard connection inflection point department that is close to each other and semicircular region 2 and gasket pillar 3 connection inflection point position department.
The round angles at the upper connecting inflection point parts of the two adjacent gasket struts 3 and the connecting inflection point parts of the left upper end and the right upper end of the two shunt struts 4 are both R6.
The fillets at the connecting inflection point position between the bottom ends of the two shunt struts 4 close to each other and the upper end of the gasket main body 1, the connecting inflection point position at the middle-lower part of one side of the two shunt struts 4 close to each other and the connecting inflection point position at the inner side of the shunt strut 4 are all R5.
The round angles at the connecting inflection point between the bottom ends of the two shunt pillars 4 far away from each other and the upper end of the gasket main body 1 and the connecting inflection point at the inner sides of the two gasket pillars 3 close to each other are both R20.
The fillet at the inflection point position where the semicircular region 2 and the gasket brace 3 are connected is R15.
When the coating gasket is installed in the extrusion head, the semicircular areas 2 hollowed out at the left side and the right side of the coating gasket can increase the discharge cavity space at the left side and the right side of the coating gasket, the pressure in each area in the cavity is effectively ensured to be consistent, the coating surface density in the middle area is not easy to appear to be large, the coating surface density in the two side areas is small, the fillet at the connecting inflection point of each part in the coating gasket is processed, the slurry flowability in the feeding cavity can be enhanced, the phenomenon that the slurry does not flow for a long time and precipitates or gels can be effectively avoided, the coating weight consistency and the particle scratch problem can be improved, and the chamfer of each part of the coating gasket is convenient for the installation of the coating gasket and the external extrusion head and other.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (10)
1. A manufacturing method of a coating gasket with uniform coating density is characterized in that: the method comprises the following steps:
s1, determining the size of the coating gasket to be manufactured and stainless steel materials according to the use requirements, and obtaining the coating gasket after press forming;
s2, respectively hollowing out a semicircular area (2) on the left inner side and the right inner side of the coating gasket obtained in the S1;
s3, chamfering and fillet processing are respectively carried out on the connecting inflection points of the coating gasket obtained in the S1;
and S4, polishing the hollowed area of the coating pad in the S2 and the chamfer and fillet of the coating pad in the S3 respectively to obtain the coating pad with uniform coating density.
2. The method of claim 1, wherein the step of forming a coated gasket having a uniform coating density comprises: s1 middle coat gasket includes gasket main part (1) and connects gasket pillar (3) in two symmetries of gasket main part (1) upper end, and two gasket pillar (3) and gasket main part (1) formula structures as an organic whole, the position department that gasket main part (1) upper end is located two gasket pillar (3) inboards has set firmly two reposition of redundant personnel pillars (4) of symmetry, one side that gasket pillar (3) are close to reposition of redundant personnel pillar (4) and link up mutually with gasket main part (1) upper end are located in semicircular region (2), and the radius of semicircular region (2) is 30 mm.
3. The method of claim 2, wherein the step of forming a coated gasket having a uniform coating density comprises: the chamfer is respectively arranged at the connecting inflection point position of one end, which is far away from each other, of the two gasket struts (3) and the connecting inflection point position of the left bottom end and the right bottom end of the gasket main body (1).
4. The method of claim 2, wherein the step of forming a coated gasket having a uniform coating density comprises: the chamfers of the connecting inflection points of the ends, far away from each other, of the two gasket struts (3) are both C1.
5. The method of claim 1, wherein the step of forming a coated gasket having a uniform coating density comprises: the chamfer angle at the connecting inflection point position of the left bottom end and the right bottom end of the gasket main body (1) is C3.
6. The method of claim 2, wherein the step of forming a coated gasket having a uniform coating density comprises: the fillet is respectively arranged at the upper connecting inflection point position at one side, close to each other, of the two gasket struts (3), the connecting inflection point position at the left upper end and the right upper end of the two shunt struts (4), the connecting inflection point position between the bottom ends of the two shunt struts (4) and the upper end of the gasket main body (1), the lower connecting inflection point position at the middle lower part of one side, close to each other, of the two shunt struts (4), the connecting inflection point position at the inner side of the shunt strut (4), the connecting inflection point position at the inner side, close to each other, of the two gasket struts (3), and the connecting inflection point position between the semicircular region (2) and the gasket strut.
7. The method of claim 2, wherein the step of forming a coated gasket having a uniform coating density comprises: and the upper parts of the two adjacent sides of the two gasket support columns (3) are connected with the inflection point positions, and the round corners of the upper ends of the left and right two shunt support columns (4) are both R6.
8. The method of claim 2, wherein the step of forming a coated gasket having a uniform coating density comprises: the fillet that two reposition of redundant personnel pillar (4) are connected the inflection point position department between the bottom that is close to each other and gasket main part (1) upper end, two reposition of redundant personnel pillar (4) are lower part in the one side that is close to each other connect the inflection point position department and reposition of redundant personnel pillar (4) inboard connection inflection point position department is R5.
9. The method of claim 2, wherein the step of forming a coated gasket having a uniform coating density comprises: the fillet at the connecting inflection point between the bottom end of the two shunt pillars (4) far away from each other and the upper end of the gasket main body (1) and the fillet at the connecting inflection point at the inner side of the two gasket pillars (3) close to each other are both R20.
10. The method of claim 2, wherein the step of forming a coated gasket having a uniform coating density comprises: the fillet of the connecting inflection point position of the semicircular area (2) and the gasket strut (3) is R15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010895074.1A CN112044680A (en) | 2020-08-31 | 2020-08-31 | Manufacturing method of coating gasket with uniform coating density |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010895074.1A CN112044680A (en) | 2020-08-31 | 2020-08-31 | Manufacturing method of coating gasket with uniform coating density |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112044680A true CN112044680A (en) | 2020-12-08 |
Family
ID=73608193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010895074.1A Pending CN112044680A (en) | 2020-08-31 | 2020-08-31 | Manufacturing method of coating gasket with uniform coating density |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112044680A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112635704A (en) * | 2020-12-28 | 2021-04-09 | 蜂巢能源科技有限公司 | Pole piece and pole piece coating method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19915390C2 (en) * | 1999-04-06 | 2003-04-03 | Wolfgang Puffe | Method and device for spraying melted hot-melt adhesive or liquefied thermoplastic |
| CN201519637U (en) * | 2009-10-16 | 2010-07-07 | 四川虹欧显示器件有限公司 | Gasket for coater spray nozzle |
| WO2016073761A1 (en) * | 2014-11-05 | 2016-05-12 | 3M Innovative Properties Company | Die for coating suspensions with flow obstruction device and method of use |
| CN106216171A (en) * | 2016-08-31 | 2016-12-14 | 中航锂电（洛阳）有限公司 | A kind of extrusion coating machine die head pad, extrusion die and extrusion coating machine |
| CN108745775A (en) * | 2018-05-29 | 2018-11-06 | 安徽力信能源科技有限责任公司 | A kind of extrusion coating machine die head gasket and die head |
| CN208127303U (en) * | 2018-03-08 | 2018-11-20 | 成都市银隆新能源有限公司 | A kind of squash type coating die head gasket |
| CN209985693U (en) * | 2019-03-06 | 2020-01-24 | 肇庆遨优动力电池有限公司 | Extrusion coating gasket |
| CN111250354A (en) * | 2020-03-18 | 2020-06-09 | 天能帅福得能源股份有限公司 | Extrusion coating type die head gasket capable of eliminating coating edge effect |
| CN211026907U (en) * | 2019-09-23 | 2020-07-17 | 合肥国轩高科动力能源有限公司 | Adjustable coating die head gasket |
-
2020
- 2020-08-31 CN CN202010895074.1A patent/CN112044680A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19915390C2 (en) * | 1999-04-06 | 2003-04-03 | Wolfgang Puffe | Method and device for spraying melted hot-melt adhesive or liquefied thermoplastic |
| CN201519637U (en) * | 2009-10-16 | 2010-07-07 | 四川虹欧显示器件有限公司 | Gasket for coater spray nozzle |
| WO2016073761A1 (en) * | 2014-11-05 | 2016-05-12 | 3M Innovative Properties Company | Die for coating suspensions with flow obstruction device and method of use |
| CN106216171A (en) * | 2016-08-31 | 2016-12-14 | 中航锂电（洛阳）有限公司 | A kind of extrusion coating machine die head pad, extrusion die and extrusion coating machine |
| CN208127303U (en) * | 2018-03-08 | 2018-11-20 | 成都市银隆新能源有限公司 | A kind of squash type coating die head gasket |
| CN108745775A (en) * | 2018-05-29 | 2018-11-06 | 安徽力信能源科技有限责任公司 | A kind of extrusion coating machine die head gasket and die head |
| CN209985693U (en) * | 2019-03-06 | 2020-01-24 | 肇庆遨优动力电池有限公司 | Extrusion coating gasket |
| CN211026907U (en) * | 2019-09-23 | 2020-07-17 | 合肥国轩高科动力能源有限公司 | Adjustable coating die head gasket |
| CN111250354A (en) * | 2020-03-18 | 2020-06-09 | 天能帅福得能源股份有限公司 | Extrusion coating type die head gasket capable of eliminating coating edge effect |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112635704A (en) * | 2020-12-28 | 2021-04-09 | 蜂巢能源科技有限公司 | Pole piece and pole piece coating method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112044680A (en) | Manufacturing method of coating gasket with uniform coating density | |
| CN209087997U (en) | A kind of sealing nail pressing device | |
| CN207233830U (en) | Battery modules side plate and battery modules | |
| CN106868579B (en) | A kind of corrosion hair engaging aperture device improving aluminium foil corrosion specific volume | |
| CN201256161Y (en) | Replaceable multifunctional enclosed lead acid batteries | |
| CN208622793U (en) | A kind of starting lead-acid battery with sealing waterproof cover | |
| CN213340525U (en) | Battery aluminum shell, battery shell assembly and battery assembly | |
| CN220569764U (en) | Liquid cooling assembly and battery pack | |
| CN212907865U (en) | Casing, battery and car | |
| CN202058803U (en) | Bridge gap connection structure of storage battery | |
| CN205904424U (en) | 12Ah lead acid battery cast joint mould | |
| CN216529264U (en) | Battery top cap and battery | |
| CN210192417U (en) | Heat dissipation type spherical head | |
| CN213704248U (en) | A mould for processing sealing member | |
| CN201282171Y (en) | Double-electrode type coiling accumulator | |
| CN206882038U (en) | Extruding pad, extrusion coated die head and extrusion coated device | |
| CN220693116U (en) | Acoustic surface filter packaging structure | |
| CN205828518U (en) | A kind of power-type valve-regulated lead-acid battery external connection end pole | |
| CN214153112U (en) | Automobile power battery groove cover with bus-bar glue dipping groove | |
| CN214153096U (en) | Automobile power battery shell containing bus-bar glue dipping tank | |
| CN205869437U (en) | 20Ah lead acid battery cast joint mould | |
| CN205564865U (en) | Novel battery connection structure | |
| CN207372493U (en) | Weld die head and ultrasonic brazing unit | |
| CN215356047U (en) | Electric connector terminal electroplating mold | |
| CN215553864U (en) | Motorcycle bottom fork necking structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201208 |
|
| RJ01 | Rejection of invention patent application after publication |