CN208357935U - A kind of lithium battery pole piece die-cutting mechanism and die-cutting machine - Google Patents
A kind of lithium battery pole piece die-cutting mechanism and die-cutting machine Download PDFInfo
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- CN208357935U CN208357935U CN201820701771.7U CN201820701771U CN208357935U CN 208357935 U CN208357935 U CN 208357935U CN 201820701771 U CN201820701771 U CN 201820701771U CN 208357935 U CN208357935 U CN 208357935U
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- rotor
- pole piece
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- cutting
- lithium battery
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Abstract
The utility model discloses a kind of lithium battery pole piece die-cutting mechanisms, first rotor is fixed with multiple tab knives and multiple pole piece knives, multiple tab cutter grooves and multiple pole piece cutter grooves are offered on second rotor, multiple tab knives cooperate one by one with multiple tab cutter grooves under first rotor and the second rotor rotary state, multiple pole piece knives cooperate one by one with multiple pole piece cutter grooves, coiled material is cut to realize, the first rotor and the second rotor continuous rotation realize continuously cutting to coiled material, substantially increase and cut efficiency；The invention also discloses a kind of lithium battery pole piece die-cutting machines, apply above-mentioned die cutting mechanism, and it is additionally provided with unreeling structure, cutting mechanism, transport mechanism and receiving mechanism, it realizes from unreeling to cutting for coiled material and finally collects pipeline system operation to pole piece to cross cutting again, substantially increase production efficiency.
Description
Technical field
The utility model relates to lithium battery production equipment technical field more particularly to a kind of lithium battery pole piece die-cutting mechanism and
Die-cutting machine.
Background technique
With the gradually retroversion that country subsidizes new energy battery, large capacity, high specific energy lithium ion battery increasingly by
To pursuing for whole-car firm, Soft Roll laminated batteries have many advantages, such as that energy density is high, have extended cycle life, power-performance is good, by
It is widely used in electronic product and power energy field.
In the manufacturing process of soft-package battery, film-making process is the bottleneck of production efficiency, currently on the market film-making die-cutting machine
Mainly pole piece is die cut by the way of upper and lower cutting die machinery punching, since there are between the regular hour for the punching of upper cutting die
Every prevent it is particularly important to realize that the shear of the pole piece progressive die obtains from being continuously die cut, therefore in order to improve cross cutting efficiency for pole piece.
Utility model content
To solve technical problem present in background technique, the utility model proposes a kind of lithium battery pole piece die-cutting mechanisms.
The utility model proposes a kind of lithium battery pole piece die-cutting mechanism, including the first rotor, the second rotor and driving dress
It sets, the first rotor and the second rotor is arranged in parallel and pre-determined distance, driving device is for driving the first rotor and the second rotor to turn
It is dynamic；
The first end of first rotor is fixed with multiple tab knives, and multiple tab knives are circumferentially uniformly arranged along the first rotor,
Tab knife includes the first blade, the second blade and third blade, and the first blade, the second blade and third blade are linked in sequence to be formed
U-shaped structure, the opening of the U-shaped structure are directed parallel to the first rotor axis direction；Second rotor is further fixed on multiple pole pieces
Knife, multiple pole piece knives extend to the second end of the first rotor, and multiple pole piece knives are connect with multiple second blades respectively；
First end on second rotor offers multiple tab cutter grooves, and multiple tab cutter grooves are circumferentially uniform along the second rotor
Setting, tab cutter groove include the first strip groove, the second strip groove and third strip groove, the first strip groove, the second strip groove and the
Three strip grooves are linked in sequence to form U-shaped structure, and the opening of the U-shaped structure is directed parallel to the second rotor axis direction；Second
Multiple pole piece cutter grooves are also provided on rotor, multiple pole piece cutter grooves extend to the second end of the second rotor, multiple pole piece cutter grooves
It is connect respectively with multiple second strip grooves；
Multiple tab knives cooperate one by one with multiple tab cutter grooves under first rotor and the second rotor rotary state, multiple pole pieces
Knife cooperates one by one with multiple pole piece cutter grooves.
Preferably, driving mechanism drives the first rotor and the second rotor to rotate synchronously.
In the utility model, the lithium battery pole piece die-cutting mechanism proposed, when the first rotor and the second rotor rotate, tab
Knife and pole piece knife simultaneously cut coiled material, obtain required shape pole piece, and coiled material is continuously across the first rotor and second
Between rotor, coiled material is continuously cut, therefore compared with the existing technology, and the production efficiency of pole piece greatly improves.
A kind of lithium battery pole piece die-cutting machine that the utility model also proposes, applies above-mentioned die cutting mechanism.
Preferably, including unreeling structure, cutting mechanism, transport mechanism and receiving mechanism, unreeling structure, cutting mechanism, mould
Mechanism, transport mechanism and receiving mechanism sequence is cut to be arranged；
Unreeling structure is for discharging the coiled material wound thereon to cutting mechanism；
Cutting mechanism includes third rotor and the 4th rotor, and third rotor and the 4th rotor are arranged in parallel, third rotor and
Prepsetting gap passes through for coiled material between 4th rotor, and circular knife is fixed on third rotor, and circular knife is coaxially set with third rotor
It sets, annular groove is offered on the 4th rotor, annular groove is in the same plane with circular knife；
Transport mechanism is located at die cutting mechanism side and cuts the pole piece finished to receiving mechanism for transmitting die cutting mechanism.
Preferably, radial distance is adjustable between third rotor and the 4th rotor.
It preferably, further include the first deviation correction mechanism, the first deviation correction mechanism is between rolling-up mechanism and cutting mechanism, and first
Deviation correction mechanism correction roll position.
It preferably, further include the second deviation correction mechanism, the second deviation correction mechanism is between cutting mechanism and die cutting mechanism, and second
Deviation correction mechanism is for correcting roll position.
It preferably, further include roller press mechanism, roller press mechanism is between cutting mechanism and the second deviation correction mechanism, roller press mechanism
Including multiple pressure roller groups, multiple pressure roller groups are arranged in parallel, and pressure roller group includes the first pressure roller and the second pressure roller, the first pressure roller and second
Pressure roller is arranged in parallel, and prepsetting gap passes through for coiled material between the first pressure roller and the second pressure roller.
It preferably, further include garbage collection mechanism, garbage collection mechanism is located at below die cutting mechanism for collecting die-cutting machine
Structure cuts the waste material of generation.
Preferably, transport mechanism is conveyer belt, and conveyer belt is equipped with blend stop along the two sides of transmission direction, and blend stop is passed along conveyer belt
Defeated direction extends.
In the utility model, the lithium battery pole piece die-cutting machine proposed completes unreeling for coiled material by the way of assembly line
The pole piece for arriving shape again that cuts to coiled material is collected, and substantially increases production efficiency, and pass through first before coiled material is cut
The position of coiled material and flatness is adjusted in deviation correction mechanism, the second deviation correction mechanism and roller press mechanism, so that the pole cut out
Chip size is guaranteed.
Detailed description of the invention
Fig. 1 be the utility model proposes the first rotor and the second rotor axonometric drawing；
Fig. 2 be the utility model proposes the first rotor and the second rotor rearview；
Fig. 3 be the utility model proposes the first rotor and the second rotor front view；
Fig. 4 be the utility model proposes a kind of lithium battery pole piece die-cutting machine schematic diagram；
Fig. 5 be the utility model proposes a kind of lithium battery pole slice cutting mechanism schematic diagram.
Specific embodiment
As shown in Figs. 1-5, Fig. 1 be the utility model proposes the first rotor and the second rotor axonometric drawing, Fig. 2 be this reality
With the first rotor of novel proposition and the rearview of the second rotor, Fig. 3 be the utility model proposes the first rotor and the second knife
The front view of roller, Fig. 4 be the utility model proposes a kind of lithium battery pole piece die-cutting machine schematic diagram, Fig. 5 is the utility model
A kind of lithium battery pole slice cutting mechanism schematic diagram proposed.
Referring to Fig.1-3, the utility model proposes a kind of lithium battery pole piece die-cutting mechanism, including the first rotor 11, second
Rotor 21 and driving device, driving device is not shown, and the first rotor 11 is identical as 21 diameter of the second rotor, and length is also identical, the
One rotor 11 and the second rotor 21 is arranged in parallel and pre-determined distance, coiled material to be cut enter the first rotor 11 and the second rotor 21
Between gap, the blade on the first rotor 11 cuts coiled material, and driving device is for driving the first rotor 11 and second
The rotation of 21 synchronous backward of rotor；
The axial ends portion of first rotor 11 is respectively designated as first end and the second end, the first end of the first rotor 11
Portion is fixed there are four tab knife 12, and four tab knives 12 are uniformly arranged along the circumferential direction of the first rotor 11, arbitrary neighborhood tab knife 12
Between pre-determined distance, each tab knife 12 include be linked in sequence the first blade 121, the second blade 122 and third blade 123,
First blade 121, the second blade 122 and third blade 123 constitute U-shaped structure, the first blade 121, the second blade 122 and third
Blade 123 is fixedly connected with 11 outer wall of the first rotor, and the first blade 121 and third blade 123 are parallel to the first rotor
11 axis direction, the second blade 122 is perpendicular to the axis direction of the first rotor 11, and the opening of the U-shaped structure is backwards to first
The second end of rotor 11；Four pole piece knives 13 are further fixed on first rotor 11, four pole piece knives 13 were along the first rotor 11 weeks
To being uniformly arranged, the length direction of four pole piece knives 13 is parallel to the axis direction of the first rotor 11, and the one of four pole piece knives 13
End is connect with the middle part of the second blade 122 respectively, and pole piece knife 13 is fixedly connected with rear pole piece knife 13 and the second knife with the second blade 122
Piece 122 is mutually perpendicular to；
The axial ends portion of second rotor 21 is respectively designated as first end and the second end, the first end of the first rotor 11
Portion is opened up there are four tab cutter groove 22, and four tab cutter grooves 22 are uniformly arranged along the circumferential direction of the second rotor 21, arbitrary neighborhood tab
Pre-determined distance between cutter groove 22, each tab cutter groove 22 include the first strip groove 221 of sequential communication, 222 and of the second strip groove
Third strip groove 223, the first strip groove 221, the second strip groove 222 and third strip groove 223 constitute U-shaped structure, the first bar shaped
Slot 221 and third strip groove 223 are parallel to the axis direction of the second rotor 21, and the second strip groove 222 is perpendicular to the second rotor 21
Axis direction, the U-shaped structure opening backwards to the second rotor 21 the second end；Four are further fixed on second rotor 21
Pole piece cutter groove 23, four pole piece cutter grooves 23 are circumferentially uniformly arranged along the second rotor 21, and the length direction of four pole piece cutter grooves 23 is flat
Row is in the axis direction of the second rotor 21, and one end of four pole piece cutter grooves 23 is connected to the middle part of the second strip groove 222 respectively, pole
Pole piece cutter groove 23 is mutually perpendicular to the second strip groove 222 after piece cutter groove 23 is connected to the second strip groove 222.
First rotor 11 and the lower four tab knives 12 of 21 rotary state of the second rotor cooperate one by one with four tab cutter grooves 22,
Four pole piece knives 13 cooperate one by one with four pole piece cutter grooves 23, and realization cuts the vertical and horizontal of coiled material, pass through the first rotor
11 and second the continuous rotation of rotor 21 the continuous cross cutting to coiled material, the first rotor 11 and the every rotation of the second rotor 21 may be implemented
One circle, die cutting mechanism cut out four pole pieces.
Referring to Fig. 4, the utility model proposes a kind of lithium battery pole piece die-cutting machine, apply above-mentioned die cutting mechanism, and
Further include unreeling structure 3, cutting mechanism 4, transport mechanism 5 and receiving mechanism 6, unreeling structure 3, cutting mechanism 4, die cutting mechanism,
Sequence is arranged in the horizontal direction for transport mechanism 5 and receiving mechanism 6；
Coiled material to be cut is wound on unreeling structure 3, unreeling structure 3 is for discharging the coiled material wound thereon to cutting machine
Structure 4, the unreeling structure 3 in the present embodiment are a reel；
Referring to Fig. 5, cutting mechanism 4 includes third rotor 41 and the 4th rotor 42, third rotor 41 and the 4th rotor 42
Diameter, equal length, third rotor 41 and the 4th rotor 42 are arranged in parallel, and pre- between third rotor 41 and the 4th rotor 42
If gap passes through for coiled material, the middle part of third rotor 41 is fixed with circular knife 43, and circular knife 43 and third rotor 41 are coaxially disposed,
Annular groove 421 is offered on 4th rotor 42, annular groove 421 and circular knife 43 are in the same plane；Wherein third rotor 41
For drive roll, the 4th rotor 42 is driven voller, and coiled material after third rotor 41 and the 4th rotor 42, cut out along its longitudinal direction by coiled material
It opens；
Transport mechanism 5 is located at die cutting mechanism side, and the pole piece that die cutting mechanism dish is cut enters transport mechanism 5, transport mechanism 5
Pole piece is transmitted in receiving mechanism 6, the transport mechanism 5 in the present embodiment is conveyer belt, and receiving mechanism 6 is a rewinding case, is received
Hopper is located at below transmission end of tape.
In the present embodiment, the distance between third rotor 41 and the 4th rotor 42 are adjustable, convenient for the coiled material to various sizes
It is cut.
It further include the first deviation correction mechanism 71 in the present embodiment, the first deviation correction mechanism 71 is located at rolling-up mechanism and cutting mechanism 4
Between, the first deviation correction mechanism 71 correction roll position, it is ensured that coiled material can be exactly into cutting mechanism 4, the first rectification machine
Structure 71 can use infrared error-correcting equipment.
It further include the second deviation correction mechanism 72 in the present embodiment, the second deviation correction mechanism 72 is located at cutting mechanism 4 and die cutting mechanism
Between, the second deviation correction mechanism 72 is for correcting roll position, it is ensured that coiled material can be exactly into die cutting mechanism, the second rectification machine
Structure 72 can use infrared error-correcting equipment.
In the present embodiment, be additionally provided with roller press mechanism between cutting mechanism 4 and the second deviation correction mechanism 72, roller press mechanism for pair
Coiled material roll-in, it is ensured that coiled material is straight to enter die cutting mechanism, improves the pole piece quality cut；Roller press mechanism in the present embodiment includes
Two pressure roller groups, two pressure roller groups are arranged in parallel, and each pressure roller group includes the first pressure roller 81 and the second pressure roller 82, the first pressure roller 81
It is arranged in parallel with the second pressure roller 82, prepsetting gap passes through for coiled material between the first pressure roller 81 and the second pressure roller 82, and coiled material is by the
It is driven plain after 82 roll-in of one pressure roller 81 and the second pressure roller straight.
The waste material to get off is cut in order to collect die cutting mechanism, further includes garbage collection mechanism 9, garbage collection mechanism 9 is located at
For collecting the waste material that die cutting mechanism cuts generation below die cutting mechanism, the garbage collection mechanism 9 in the present embodiment is a waste material
Collecting box.
The pole piece on conveyer belt is fallen down in transmission process in order to prevent, is set in conveyer belt along the two sides of transmission direction
There is blend stop 51, blend stop 51 extends along conveyer belt transmission direction, and blend stop 51 can prevent the pole piece on conveyer belt from falling down.
In the specific work process of the lithium battery pole piece die-cutting machine of the present embodiment, the coiled material wound on unreeling structure 3 is continuous
By the first deviation correction mechanism 71, the first deviation correction mechanism 71 enters cutting mechanism 4, coiled material slitting mechanism after rectifying a deviation to roll position
4 cut after enter roller press mechanism, die cutting mechanism is entered after roller press mechanism straightening, die cutting mechanism cuts the waste material to get off and fall to
In scrap collecting tank, the pole piece that die cutting mechanism has been cut is dropped down on conveyer belt, and the communicated band of pole piece is sent in rewinding case.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (10)
1. a kind of lithium battery pole piece die-cutting mechanism, which is characterized in that including the first rotor (11), the second rotor (21) and driving dress
It sets, the first rotor (11) and the second rotor (21) is arranged in parallel and pre-determined distance, driving device is for driving the first rotor (11)
It is rotated with the second rotor (21)；
The first end of first rotor (11) is fixed with multiple tab knives (12), and multiple tab knives (12) are along the first rotor (11) week
To being uniformly arranged, tab knife (12) includes the first blade (121), the second blade (122) and third blade (123), the first blade
(121), the second blade (122) and third blade (123) sequential connection form U-shaped structure, and the opening direction of the U-shaped structure is flat
Row is in the first rotor (11) axis direction；Second rotor (21) is further fixed on multiple pole piece knives (13), and multiple pole piece knives (13) are prolonged
The second end of the first rotor (11) is extended to, multiple pole piece knives (13) connect with multiple second blades (122) respectively；
First end on second rotor (21) offers multiple tab cutter grooves (22), and multiple tab cutter grooves (22) are along the second rotor
(21) circumferential to be uniformly arranged, tab cutter groove (22) includes the first strip groove (221), the second strip groove (222) and third strip groove
(223), the first strip groove (221), the second strip groove (222) and third strip groove (223) sequential communication form U-shaped structure, institute
The opening for stating U-shaped structure is directed parallel to the second rotor (21) axis direction；Second rotor is also provided with multiple pole pieces on (21)
Cutter groove (23), multiple pole piece cutter grooves (23) extend to the second end of the second rotor (21), multiple pole piece cutter grooves (23) respectively with
Multiple second strip groove (222) connections；
Multiple tab knives (12) and multiple tab cutter grooves (22) are one by one under first rotor (11) and the second rotor (21) rotary state
Cooperation, multiple pole piece knives (13) cooperate one by one with multiple pole piece cutter grooves (23).
2. lithium battery pole piece die-cutting mechanism according to claim 1, which is characterized in that driving mechanism drives the first rotor
(11) it is rotated synchronously with the second rotor (21).
3. a kind of lithium battery pole piece die-cutting machine, which is characterized in that including die cutting mechanism of any of claims 1-2.
4. lithium battery pole piece die-cutting machine according to claim 3, which is characterized in that further include unreeling structure (3), cutting machine
Structure (4), transport mechanism (5) and receiving mechanism (6), unreeling structure (3), cutting mechanism (4), die cutting mechanism, transport mechanism (5) and
Receiving mechanism (6) sequence is arranged；
Unreeling structure (3) is for discharging the coiled material wound thereon to cutting mechanism (4)；
Cutting mechanism (4) includes third rotor (41) and the 4th rotor (42), and third rotor (41) is parallel with the 4th rotor (42)
Setting, prepsetting gap passes through for coiled material between third rotor (41) and the 4th rotor (42), and third rotor is fixed with circle on (41)
Blade (43), circular knife (43) and third rotor (41) are coaxially disposed, and offer annular groove (421), ring on the 4th rotor (42)
Shape slot (421) and circular knife (43) are in the same plane；
Transport mechanism (5) is located at die cutting mechanism side and cuts the pole piece finished to receiving mechanism (6) for transmitting die cutting mechanism.
5. lithium battery pole piece die-cutting machine according to claim 4, which is characterized in that third rotor (41) and the 4th rotor
The distance between (42) adjustable.
6. lithium battery pole piece die-cutting machine according to claim 4, which is characterized in that it further include the first deviation correction mechanism (71),
First deviation correction mechanism (71) is located between rolling-up mechanism and cutting mechanism (4), the first deviation correction mechanism (71) correction roll position.
7. lithium battery pole piece die-cutting machine according to claim 4, which is characterized in that it further include the second deviation correction mechanism (72),
Second deviation correction mechanism (72) is located between cutting mechanism (4) and die cutting mechanism, and the second deviation correction mechanism (72) is for correcting coiled material position
It sets.
8. lithium battery pole piece die-cutting machine according to claim 7, which is characterized in that further include roller press mechanism, roller press mechanism
Between cutting mechanism (4) and the second deviation correction mechanism (72), roller press mechanism includes multiple pressure roller groups, and multiple pressure roller groups are set in parallel
It sets, pressure roller group includes the first pressure roller (81) and the second pressure roller (82), and the first pressure roller (81) and the second pressure roller (82) are arranged in parallel, the
Prepsetting gap passes through for coiled material between one pressure roller (81) and the second pressure roller (82).
9. lithium battery pole piece die-cutting machine according to claim 4, which is characterized in that further include garbage collection mechanism (9), give up
Material collecting mechanism (9) is located at below die cutting mechanism for collecting the waste material that die cutting mechanism cuts generation.
10. lithium battery pole piece die-cutting machine according to claim 4, which is characterized in that transport mechanism (5) is conveyer belt, is passed
Band is sent to be equipped with blend stop (51) along the two sides of transmission direction, blend stop (51) extends along conveyer belt transmission direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820701771.7U CN208357935U (en) | 2018-05-11 | 2018-05-11 | A kind of lithium battery pole piece die-cutting mechanism and die-cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820701771.7U CN208357935U (en) | 2018-05-11 | 2018-05-11 | A kind of lithium battery pole piece die-cutting mechanism and die-cutting machine |
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| Publication Number | Publication Date |
|---|---|
| CN208357935U true CN208357935U (en) | 2019-01-11 |
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ID=64934712
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820701771.7U Active CN208357935U (en) | 2018-05-11 | 2018-05-11 | A kind of lithium battery pole piece die-cutting mechanism and die-cutting machine |
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| Country | Link |
|---|---|
| CN (1) | CN208357935U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112677233A (en) * | 2020-12-22 | 2021-04-20 | 杭州天地印刷有限公司 | Multifunctional die-cutting machine |
| CN114101797A (en) * | 2021-10-19 | 2022-03-01 | 广东奥克莱集团有限公司 | Lightweight structure of storage battery electrode plate |
| CN114378177A (en) * | 2021-12-28 | 2022-04-22 | 金基顯 | Electrode treatment device for lithium battery electrode |
| CN114833401A (en) * | 2022-04-19 | 2022-08-02 | 三一技术装备有限公司 | Pole piece roller, roller cutting mechanism and pole piece roller cutting method |
-
2018
- 2018-05-11 CN CN201820701771.7U patent/CN208357935U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112677233A (en) * | 2020-12-22 | 2021-04-20 | 杭州天地印刷有限公司 | Multifunctional die-cutting machine |
| CN114101797A (en) * | 2021-10-19 | 2022-03-01 | 广东奥克莱集团有限公司 | Lightweight structure of storage battery electrode plate |
| CN114101797B (en) * | 2021-10-19 | 2023-01-31 | 广东奥克莱集团有限公司 | Lightweight structure of storage battery electrode plate |
| CN114378177A (en) * | 2021-12-28 | 2022-04-22 | 金基顯 | Electrode treatment device for lithium battery electrode |
| CN114833401A (en) * | 2022-04-19 | 2022-08-02 | 三一技术装备有限公司 | Pole piece roller, roller cutting mechanism and pole piece roller cutting method |
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Effective date of registration: 20200110 Address after: 230601 HENGCHUANG Intelligent Technology Park, 3959 Susong Road, Hefei Economic and Technological Development Zone, Anhui Province Patentee after: Hefei GuoXuan Battery Co., Ltd Address before: 230000 No. 599 Dai River Road, New Station District, Anhui, Hefei Patentee before: Hefei Guoxuan Gaoke Power Energy Co., Ltd. |