CN106207079A - Battery pole piece die-cutting mould and die cutting method thereof - Google Patents
Battery pole piece die-cutting mould and die cutting method thereof Download PDFInfo
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- CN106207079A CN106207079A CN201610526875.4A CN201610526875A CN106207079A CN 106207079 A CN106207079 A CN 106207079A CN 201610526875 A CN201610526875 A CN 201610526875A CN 106207079 A CN106207079 A CN 106207079A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
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- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0409—Methods of deposition of the material by a doctor blade method, slip-casting or roller coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
- B26F2001/4427—Cutters therefor; Dies therefor combining cutting and forming operations
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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
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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
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The present invention relates to battery pole piece manufacture field, it is specifically related to battery pole piece die-cutting mould and die cutting method thereof, battery pole piece die-cutting mould includes that upper mould fixed plate and lower mold fixed plate, cope match-plate pattern, lower bolster, four leads, upper mould fixed plate and cope match-plate pattern towards lower bolster direction along lead and can deviate from lower bolster direction and move back and forth；Being respectively provided with the front edge cutting knife of cutting pole piece edge and rear edge cutting knife bottom cope match-plate pattern two ends, cope match-plate pattern center bottom is provided with the lug cutting knife for cutting pole-piece pole-ear；Lug cutting knife include the edge part at two ends, hollow-out parts between edge, both sides, be positioned at hollow-out parts top and connect the connecting portion at two edge part tops, bottom edge part to deviating from the extension that hollow-out parts direction extends, described edge part, hollow-out parts, connecting portion and extension combination form more than one fonts, the shape of hollow-out parts and lug mating shapes.Cross cutting efficiency of the present invention is high, resource utilization is high.
Description
Technical field
The present invention relates to battery pole piece manufacture field, particularly relate to battery pole piece die-cutting mould and die cutting method thereof.
Background technology
Lithium ion battery is the new generation of green high-energy battery that performance is remarkable, it has also become the emphasis of hi-tech development it
One.Lithium ion battery has the following characteristics that high voltage, high power capacity, low consumption, memory-less effect, nuisanceless, volume is little, internal resistance
Little, self discharge is few, cycle-index is many.Because of its These characteristics, lithium ion battery has application to mobile phone, notebook computer, takes the photograph
Camera, digital camera etc. be numerous civilian and military field.
Pole piece, as the important component part of lithium battery, serves vital effect in the performance of battery.
Being made by of pole piece is coated with pole powder material, the just base material after coating in the both side surface of base material and carries out cross cutting, obtains institute
Need the pole piece of size and shape.
The pole piece cross cutting of prior art, owing to applying area is entreated in the substrate, during cross cutting, one time cross cutting obtains one piece of pole piece,
Cross cutting efficiency is low, and both sides, applying area be left white district, in addition to as the part of lug, all become waste material, produce waste material more, base
Material utilization rate is low.
Summary of the invention
For solving the problems referred to above, the present invention provides the battery pole piece cross cutting mould that a kind of cross cutting efficiency is high, resource utilization is high
Tool and die cutting method thereof.
The technical solution adopted in the present invention is: battery pole piece die-cutting mould, including the upper mould fixed plate be arrangeding in parallel and
Lower mold fixed plate, it is arranged at the upper mould fixed plate cope match-plate pattern near lower mold fixed plate side, is arranged at lower mold fixed plate near upper
The lower bolster of mould fixed plate side, being installed on lower mold fixed plate and wear four leads of upper mould fixed plate, described upper mold is solid
Determine plate and cope match-plate pattern towards lower bolster direction along lead and lower bolster direction can be deviated from move back and forth；Described cope match-plate pattern two bottom
Portion is respectively provided with the cutting front edge cutting knife of pole piece edge and rear edge cutting knife, described cope match-plate pattern center bottom be provided with for
The lug cutting knife of cutting pole-piece pole-ear；Described lug cutting knife includes the edge part at two ends, engraving between edge, both sides
Sky portion, be positioned at hollow-out parts top and connect two edge part tops connecting portion, bottom edge part to deviating from hollow-out parts direction
The extension extended, described edge part, hollow-out parts, connecting portion and extension combination form more than one fonts, the shape of described hollow-out parts
Shape and lug mating shapes.
Being improved to further technique scheme, also includes the cutting knife fixed plate for fixed cutting tool, described cutting knife
The two ends of fixed plate are arranged in front edge cutting knife and rear edge cutting knife respectively, and described cutting knife fixed plate central authorities offer cuts with lug
The hollow slots that cutter matches, described lug cutting knife is arranged in hollow slots, and front edge cutting knife, rear edge cutting knife, lug cutting knife
Coplanar with the lower surface of cutting knife fixed plate.
Being improved to further technique scheme, described lower bolster correspondence front edge cutting knife, rear edge cutting knife, lug
Cutting knife offers cutting groove respectively.
Being improved to further technique scheme, described lower bolster is provided with between two leads before calculating
The front enumerator of edge cutting knife cutting times and after calculating the rear enumerator of edge cutting knife cutting times.
Battery pole piece die cutting method, comprises the following steps, S1, according to the width of battery pole piece in the both sides of coating machine respectively
Arranging applying area, the gap between two applying area is for being left white district, and S2, unlatching coating machine, two applying area are to edge, base material both sides
Substrate transport direction is coated with continuously, and S3, base material pass through battery pole piece die-cutting mould, front edge cutting knife, lug cutting knife and rear edge
Cutting knife carries out cross cutting to battery pole piece successively, in after cross cutting, gained waste material each falls within the cutting groove that lower bolster is corresponding, and S4, along base material
The direction of motion, die-cutting mould carries out continuous cross cutting to base material, obtains the pole piece of required form and size, and computer.
Being improved to further technique scheme, in S1, the width phase of the width of described applying area and battery pole piece
Coupling；The width of described battery pole ear is 0.85:1～0.95:1 with the width ratio being left white district.
Being improved to further technique scheme, in S3, described lug cutting knife cutting base material be left white district, described before
The cut direction of edge cutting knife and rear edge cutting knife is each parallel to substrate transport direction, and that cuts base material is left white district and applying area.
Being improved to further technique scheme, in S4, after front edge cutting knife completes once to cut, front enumerator enters
Row once counts, and after rear edge cutting knife completes once to cut, rear enumerator once counts.
The invention have the benefit that
1, on the one hand, in the present invention, front edge cutting knife, rear edge cutting knife carry out front edge along substrate transport direction to base material
With rear edge cross cutting, lug cutting knife carries out lug cross cutting to base material central authorities, due to the edge part of lug cutting knife, hollow-out parts, connection
Portion and extension combination form more than one fonts, and cross cutting once can get two pieces of pole pieces, and cutting efficiency is high；Second aspect, base material
Edge can make full use of as pole piece main body, and after the cutting of lug cutting knife, hollow-out parts forms pole-piece pole-ear, two edge parts, connections
Portion and extension form waste material, and relative to prior art, waste material is less, and resource utilization is high.
2, also including the cutting knife fixed plate for fixed cutting tool, the two ends of described cutting knife fixed plate are arranged in front edge respectively
Cutting knife and rear edge cutting knife, described cutting knife fixed plate central authorities offer the hollow slots matched with lug cutting knife, and described lug is cut
Cutter is arranged in hollow slots, and the lower surface of front edge cutting knife, rear edge cutting knife, lug cutting knife and cutting knife fixed plate is coplanar, logical
Crossing cutting knife fixing board card, to set front edge cutting knife, rear edge cutting knife, lug cutting knife fixing to realize, and keeps the facet of three altogether
Face, when preventing cutting before edge cutting knife, rear edge cutting knife, lug cutting knife cutting dynamics differ to cause and can not once cut off or each portion
Position precision differs, and is conducive to improving pole piece cross cutting quality.
3, lower bolster correspondence front edge cutting knife, rear edge cutting knife, lug cutting knife offer cutting groove respectively, giving up after cross cutting
Material falls in the cutting groove of correspondence, prevents waste material to be involved in the pole piece of well cutting, is conducive to improving pole piece cross cutting quality.
4, lower bolster is provided with the front enumerator for calculating front edge cutting knife cutting times and use between two leads
The rear enumerator of edge cutting knife cutting times after calculating, by front enumerator and rear rolling counters forward, it is achieved cross cutting number of times meter
Number, owing to needing to repair a die after mould cutting some, is responsible for freely repairing a die within the regulation cutting several times of general producer, super
After crossing this cutting times, the burn failure of appearance, the not responsible maintenance free of producer, counted by cross cutting, when burn failure, energy
Be apparent from this mould whether within warranty coverage, with this avoid producing between producer and client about mould whether
The dispute being under warranty, adds the convenience that the present invention uses.
5, the battery pole piece die cutting method of the present invention, first, by being left white and along substrate transport direction in the middle of the coating of both sides
It is coated with this coating process continuously base material is coated with continuously, then, carries out continuous cross cutting by battery pole piece die-cutting mould.
On the one hand, owing to base material is provided with two applying area, cut the applying area of both sides simultaneously and middle be left white district and can once obtain two
Block pole piece, work efficiency is high.Second aspect, the edge of base material can make full use of as pole piece main body, after the cutting of lug cutting knife, engrave
Sky portion forms pole-piece pole-ear, and two edge parts, connecting portion and extension form waste material, and relative to prior art, waste material is less, money
Source utilization rate is high.
6, in S1, the width of described applying area matches with the width of battery pole piece；The width of described battery pole ear with stay
The width ratio in white area is 0.85:1～0.95:1, and applying area can be utilized completely, and being left white district also can be as lug, waste material after cross cutting
Few, base material utilization rate is high, is conducive to economizing on resources.
7, in S3, described lug cutting knife cutting base material be left white district, described front edge cutting knife and the cutting of rear edge cutting knife
Direction is each parallel to substrate transport direction, and that cuts base material is left white district and applying area, is left white waste material after district cuts out lug less,
Applying area no waste mine, base material utilization rate is high, is conducive to economizing on resources.
8, in S4, after front edge cutting knife completes once to cut, front enumerator once counts, and rear edge cutting knife completes one
After secondary cutting, rear enumerator once counts, and is counted by cross cutting, and when burn failure, can be apparent from this mould is
No within warranty coverage, avoid the dispute whether being under warranty about mould of generation between producer and client with this,
Add the convenience that the present invention uses.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the battery pole piece die-cutting mould of the present invention；
Fig. 2 is the front view of the battery pole piece die-cutting mould of the present invention；
Fig. 3 is the A-A sectional view in Fig. 2；
Fig. 4 is the B-B sectional view in Fig. 2；
Fig. 5 is the structural representation of the lug cutting knife of the present invention；
Fig. 6 is the base material schematic diagram after prior art coating；
Fig. 7 is the base material schematic diagram after the present invention is coated with；
Fig. 8 is the base material schematic diagram after cross cutting of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As shown in Figure 1 to 4, the respectively axonometric chart of battery pole piece die-cutting mould, front view and different visual angles sectional view.
Battery pole piece die-cutting mould 100, including the upper mould fixed plate 110 be arrangeding in parallel and lower mold fixed plate 120, is arranged at
The upper mould fixed plate 110 cope match-plate pattern 130 near lower mold fixed plate 120 side, it is arranged at lower mold fixed plate 120 and fixes near upper mold
The lower bolster 140 of plate 110 side, it is installed on lower mold fixed plate 120 and wears four leads 150 of upper mould fixed plate 110, institute
State upper mould fixed plate 110 and cope match-plate pattern 130 towards lower bolster 140 direction and can deviate from lower bolster 140 direction along lead 150
Backhaul dynamic；The front edge cutting knife 160 and the rear edge that are respectively provided with cutting pole piece edge bottom described cope match-plate pattern 130 two ends are cut
Cutter 170, described cope match-plate pattern 130 center bottom is provided with the lug cutting knife 180 for cutting pole-piece pole-ear.
Also include the cutting knife fixed plate 190 for fixed cutting tool, before the two ends of described cutting knife fixed plate 190 are arranged in respectively
Edge cutting knife 160 and rear edge cutting knife 170, described cutting knife fixed plate 190 central authorities offer and engraving that lug cutting knife 180 matches
Dead slot, described lug cutting knife 180 is arranged in hollow slots, and front edge cutting knife 160, rear edge cutting knife 170, lug cutting knife 180
Coplanar with the lower surface of cutting knife fixed plate 190, by cutting knife fixed plate 190 card set front edge cutting knife 160, rear edge cutting knife 170,
Lug cutting knife 180 is fixing to realize, and the facet keeping three is coplanar, when preventing cutting before edge cutting knife 160, rear edge cutting knife
170, lug cutting knife 180 dynamics of cutting differs to cause and can not once cut off or each position precision differs, and is conducive to improving pole piece mould
Cut quality.
The corresponding front edge cutting knife 160 of lower bolster 140, rear edge cutting knife 170, lug cutting knife 180 offer cutting groove respectively
141, the waste material after cross cutting falls in the cutting groove 141 of correspondence, prevents waste material to be involved in the pole piece of well cutting, is conducive to improving pole
Sheet cross cutting quality.
Lower bolster 140 is provided with the front counting for calculating front edge cutting knife 160 cutting times between two leads 150
Device 142 and after calculating the rear enumerator 143 of edge cutting knife 170 cutting times, by front enumerator 142 and rear enumerator
143 countings, it is achieved cross cutting counting how many times, need to repair a die after cutting some due to mould 100, the regulation cutting of general producer
Being responsible within several times freely repairing a die, after exceeding this cutting times, the mould 100 of appearance damages, the not responsible maintenance free of producer,
Counted by cross cutting, when mould 100 damages, this mould 100 can be apparent from whether within warranty coverage, keep away with this
Exempt from the dispute whether being under warranty about mould 100 produced between producer and client, add the facility that the present invention uses
Property.
As it is shown in figure 5, be the structural representation of the lug cutting knife of the present invention.
Described lug cutting knife 180 includes in the edge part 181 at two ends, hollow-out parts between edge, both sides 181
182, be positioned at hollow-out parts 182 top and connect two edge part 181 tops connecting portion 183, bottom edge part 181 to deviating from
The extension 184 that hollow-out parts 182 direction extends, described edge part 181, hollow-out parts 182, connecting portion 183 and extension 184 combine
Form more than one fonts, the shape of described hollow-out parts 182 and lug mating shapes.
On the one hand, in the present invention, before base material is carried out by front edge cutting knife 160, rear edge cutting knife 170 along substrate transport direction
Edge and rear edge cross cutting, lug cutting knife 180 carries out lug cross cutting to base material central authorities, due to the edge part of lug cutting knife 180
181, hollow-out parts 182, connecting portion 183 and extension 184 combination form more than one fonts, and cross cutting once can get two pieces of pole pieces, cuts
Cut efficiency high；Second aspect, the edge of base material can make full use of as pole piece main body, after lug cutting knife 180 cutting, hollow-out parts
182 form pole-piece pole-ears, and two edge parts 181, connecting portion 183 and extension 184 form waste material, relative to prior art, useless
Expecting less, resource utilization is high.
As Figure 6-Figure 7, the base material schematic diagram after respectively prior art and the present invention are coated with, Fig. 8 is mould of the present invention
Base material schematic diagram after cutting.
Battery pole piece die cutting method, comprises the following steps, S1, according to the width of battery pole piece in the both sides of coating machine respectively
Arranging applying area, the gap between two applying area is for being left white district, and S2, unlatching coating machine, two applying area are to edge, base material both sides
Substrate transport direction is coated with continuously, and S3, base material pass through battery pole piece die-cutting mould 100, front edge cutting knife 160, lug cutting knife 180
Successively battery pole piece being carried out cross cutting with rear edge cutting knife 170, after cross cutting, gained waste material each falls within the cutting of lower bolster 140 correspondence
In groove 141, S4, along substrate transport direction, die-cutting mould 100 carries out continuous cross cutting to base material, obtains required form and size
Pole piece, and computer.
The battery pole piece die cutting method of the present invention, first, by being left white in the middle of the coating of both sides and connecting along substrate transport direction
Base material is coated with by continuous coating this coating process continuously, then, carries out the progressive die by battery pole piece die-cutting mould 100
Cut.On the one hand, owing to base material is provided with two applying area, cut the applying area of both sides simultaneously and middle be left white district and can once obtain
Two pieces of pole pieces, work efficiency is high.Second aspect, the edge of base material can make full use of as pole piece main body, and lug cutting knife 180 cuts
After, hollow-out parts 182 forms pole-piece pole-ear, and two edge parts 181, connecting portion 183 and extension 184 form waste material, relative to existing
Having technology, waste material is less, and resource utilization is high.
In S1, the width of described applying area matches with the width of battery pole piece；The width of described battery pole ear be left white
The width ratio in district is 0.85:1～0.95:1, and applying area can be utilized completely, and being left white district also can be as lug, waste material after cross cutting
Few, base material utilization rate is high, is conducive to economizing on resources.
In S3, described lug cutting knife 180 cuts the district that is left white of base material, described front edge cutting knife 160 and rear edge cutting knife 170
Cut direction each parallel to substrate transport direction, cutting base material is left white district and applying area, be left white after district cuts out lug useless
Expecting less, applying area no waste mine, base material utilization rate is high, is conducive to economizing on resources.
In S4, after front edge cutting knife 160 completes once to cut, front enumerator 142 once counts, rear edge cutting knife
After 170 complete once to cut, rear enumerator 143 once counts, and is counted by cross cutting, when mould 100 damages, and can be clear
Know this mould 100 whether within warranty coverage, with this avoid between producer and client produce about mould 100 be
The no dispute being under warranty, adds the convenience that the present invention uses.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but also
Therefore the restriction to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that, for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (8)
1. battery pole piece die-cutting mould, it is characterised in that: include the upper mould fixed plate be arrangeding in parallel and lower mold fixed plate, be arranged at
The upper mould fixed plate cope match-plate pattern near lower mold fixed plate side, it is arranged at the lower mold fixed plate lower mold near upper mould fixed plate side
Plate, be installed on lower mold fixed plate and wear four leads of upper mould fixed plate, described upper mould fixed plate and cope match-plate pattern can be along leading
Towards lower bolster direction to post and deviate from lower bolster direction and move back and forth；It is respectively provided with cutting bottom described cope match-plate pattern two ends
The front edge cutting knife of pole piece edge and rear edge cutting knife, described cope match-plate pattern center bottom is provided with the lug for cutting pole-piece pole-ear
Cutting knife；Described lug cutting knife includes the edge part at two ends, hollow-out parts between edge, both sides, is positioned at hollow-out parts top
And connect two edge part tops connecting portion, bottom edge part to deviate from hollow-out parts direction extend extension, described limit
Edge, hollow-out parts, connecting portion and extension combination form more than one fonts, the shape of described hollow-out parts and lug mating shapes.
Battery pole piece die-cutting mould the most according to claim 1, it is characterised in that: also include the cutting knife for fixed cutting tool
Fixed plate, the two ends of described cutting knife fixed plate are arranged in front edge cutting knife and rear edge cutting knife respectively, in described cutting knife fixed plate
Centre offers the hollow slots matched with lug cutting knife, and described lug cutting knife is arranged in hollow slots, and front edge cutting knife, back
The lower surface of portion's cutting knife, lug cutting knife and cutting knife fixed plate is coplanar.
Battery pole piece die-cutting mould the most according to claim 2, it is characterised in that: before described lower bolster correspondence, edge is cut
Cutter, rear edge cutting knife, lug cutting knife offer cutting groove respectively.
Battery pole piece die-cutting mould the most according to claim 3, it is characterised in that: described lower bolster be positioned at two leads it
Between be provided with the front enumerator by calculating front edge cutting knife cutting times and by calculate after edge cutting knife cutting times rear based on
Number device.
5. battery pole piece die cutting method, it is characterised in that: comprise the following steps, S1, according to the width of battery pole piece at coating machine
Both sides be respectively provided with applying area, the gap between two applying area for being left white district, S2, open coating machine, two applying area pair
Base material both sides are coated with continuously along substrate transport direction, and S3, base material pass through battery pole piece die-cutting mould, and front edge cutting knife, lug are cut
Cutter and rear edge cutting knife carry out cross cutting to battery pole piece successively, and after cross cutting, gained waste material each falls within the cutting groove that lower bolster is corresponding
In, S4, along substrate transport direction, die-cutting mould carries out continuous cross cutting to base material, obtains the pole piece of required form and size, and meter
Calculate device.
6. according to the battery pole piece die cutting method described in claim 5, it is characterised in that: in S1, the width of described applying area
Match with the width of battery pole piece；The width of described battery pole ear is 0.85:1～0.95:1 with the width ratio being left white district.
7. according to the battery pole piece die cutting method described in claim 6, it is characterised in that: in S3, described lug cutting knife cuts
Base material be left white district, the cut direction of described front edge cutting knife and rear edge cutting knife each parallel to substrate transport direction, cuts base
Material be left white district and applying area.
8. according to the battery pole piece die cutting method described in claim 7, it is characterised in that: in S4, front edge cutting knife completes one
After secondary cutting, front enumerator once counts, and after rear edge cutting knife completes once to cut, rear enumerator once counts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610526875.4A CN106207079B (en) | 2016-07-06 | 2016-07-06 | Battery pole piece die-cutting mould and its die cutting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610526875.4A CN106207079B (en) | 2016-07-06 | 2016-07-06 | Battery pole piece die-cutting mould and its die cutting method |
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| Publication Number | Publication Date |
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| CN106207079A true CN106207079A (en) | 2016-12-07 |
| CN106207079B CN106207079B (en) | 2019-08-23 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107039629A (en) * | 2016-12-29 | 2017-08-11 | 东莞塔菲尔新能源科技有限公司 | Electrode slice multi pole ears high-energy-rate forming machine |
| CN107146876A (en) * | 2017-04-27 | 2017-09-08 | 重庆鲁岳新能源科技有限公司 | A kind of anode pole piece forming method of lithium-ion-power cell |
| CN108906969A (en) * | 2018-08-31 | 2018-11-30 | 广东亿鑫丰智能装备股份有限公司 | A kind of die cutting mechanism with pole piece corner cut and include its system and method |
| CN110718675A (en) * | 2019-10-25 | 2020-01-21 | 骆驼集团武汉光谷研发中心有限公司 | Method for processing tab |
| CN113246221A (en) * | 2021-06-23 | 2021-08-13 | 珠海冠宇电池股份有限公司 | Pole piece die cutting device and pole piece die cutting method |
| CN114700616A (en) * | 2022-06-06 | 2022-07-05 | 苏州宇量电池有限公司 | Laser dislocation die cutting method of pole piece, pole piece and battery |
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| CN107039629A (en) * | 2016-12-29 | 2017-08-11 | 东莞塔菲尔新能源科技有限公司 | Electrode slice multi pole ears high-energy-rate forming machine |
| CN107039629B (en) * | 2016-12-29 | 2023-12-19 | 宁德时代新能源科技股份有限公司 | High-speed forming machine for electrode slice multipolar lug |
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| CN108906969A (en) * | 2018-08-31 | 2018-11-30 | 广东亿鑫丰智能装备股份有限公司 | A kind of die cutting mechanism with pole piece corner cut and include its system and method |
| CN110718675A (en) * | 2019-10-25 | 2020-01-21 | 骆驼集团武汉光谷研发中心有限公司 | Method for processing tab |
| CN113246221A (en) * | 2021-06-23 | 2021-08-13 | 珠海冠宇电池股份有限公司 | Pole piece die cutting device and pole piece die cutting method |
| CN113246221B (en) * | 2021-06-23 | 2023-12-26 | 珠海冠宇电池股份有限公司 | Pole piece die cutting device and pole piece die cutting method |
| CN114700616A (en) * | 2022-06-06 | 2022-07-05 | 苏州宇量电池有限公司 | Laser dislocation die cutting method of pole piece, pole piece and battery |
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| CN106207079B (en) | 2019-08-23 |
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