CN206921959U - Electrokinetic cell rolls up pin - Google Patents
Electrokinetic cell rolls up pin Download PDFInfo
- Publication number
- CN206921959U CN206921959U CN201720563395.5U CN201720563395U CN206921959U CN 206921959 U CN206921959 U CN 206921959U CN 201720563395 U CN201720563395 U CN 201720563395U CN 206921959 U CN206921959 U CN 206921959U
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- China
- Prior art keywords
- punch block
- volume
- pin
- induction coil
- electrokinetic cell
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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
-
- 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
Abstract
The utility model discloses a kind of electrokinetic cell to roll up pin, including：Needle assemblies are rolled up, it includes the induction coil rolled up punch block and be installed in volume punch block, senses control assembly, and it includes controller, induction power supply and cooling-water machine, and controller control induction power supply and cooling-water machine are powered and cooled down to induction coil respectively；Wherein, the inside that needle assemblies are located at battery core in winding process is rolled up.Relative to prior art, the utility model electrokinetic cell rolls up pin and is internally integrated induction coil in volume punch block, battery core can be wound and be heated simultaneously, into next step reforming process, hot plate heats battery core again, heating different twice can reach the high and low temperature compensation of Internal and external cycle, so that inside and outside the temperature of battery core uniformly, improve the service behaviour of battery.In addition, pole piece can transfer heat to barrier film, shaping can be directly gone after the completion of winding, the preheating procedure and pre-heating device of battery core can be saved, reduce manufacturing cost, improve battery production capacity.
Description
Technical field
The utility model belongs to field of batteries, more specifically, the utility model is related to a kind of electrokinetic cell volume pin.
Background technology
In the production process of lithium ion battery, hot pressing shaping is a very important technique：Battery core is heated first
To assigned temperature, then apply certain pressure and keep pressure to the stipulated time, to reach shaping requirement.Battery core shaping effect
Quality to enter shell, battery core charge and discharge electric interface and cycle life to battery core all extremely important.
At present, battery core hot pressing shaping is divided into two processes：Preheating and shaping, and it is mainly that independent process is completed to preheat.
For preheating procedure, the efficiency of heating surface is typically lifted using sensing heating, but its equipment cost occupies most battery core systems
This is caused, battery core manufacturing cost is reduced and mainly takes thin device structure or the method for reducing other costs.In addition, preheating
Cheng Hou, battery core temperature are high outside and low outside, and hot plate is also first to contact battery core surface during battery core shaping, also results in the temperature of battery core
High outside and low outside, overall temperature difference is very uneven after such anode ring forming, there is very big influence to follow-up performance, in order to shorten electricity
The in-core outer layer temperature difference is, it is necessary to additionally extend the heat time of battery core.
In view of this, it is necessory to provide, a kind of manufacturing cost is low, the uniform electrokinetic cell of battery core internal and external temperature rolls up pin.
Utility model content
The purpose of this utility model is：Overcome the deficiencies in the prior art, there is provided a kind of manufacturing cost is low, warm inside and outside battery core
Spend uniform electrokinetic cell volume pin.
In order to realize above-mentioned purpose of utility model, the utility model provides a kind of electrokinetic cell volume pin, including：
Needle assemblies are rolled up, it includes the induction coil rolled up punch block and be installed in volume punch block；And
Sense control assembly, it includes controller, induction power supply and cooling-water machine, controller control induction power supply and cooling-water machine
Induction coil is powered and cooled down respectively；
Wherein, the volume needle assemblies are located at the inside of battery core in winding process.
As a kind of the improving of the utility model electrokinetic cell volume pin, the volume punch block includes symmetrically arranged first volume pin
Frame and volume Two punch block, first volume punch block and volume Two punch block are equiped with the first clamp bar and the second clamp bar and clamp bar opening-closing machine
Structure, clamp bar open-and-close mechanism control the clamping and release between the first clamp bar and the second clamp bar.
As a kind of the improving of the utility model electrokinetic cell volume pin, the induction coil includes the first induction coil and the
Two induction coils, the first induction coil and the second induction coil are correspondingly installed in the first volume punch block and volume Two punch block.
As a kind of the improving of the utility model electrokinetic cell volume pin, the sensing control assembly also includes infrared imaging
Every layer of pole piece temperature signal of collection is sent to controller by instrument, infrared thermoviewer.
As a kind of the improving of the utility model electrokinetic cell volume pin, the volume punch block is circular, rhombus or ellipse.
As a kind of the improving of the utility model electrokinetic cell volume pin, the volume punch block is nonmetallic materials, the volume pin
Do ceramic processing in the surface of frame.
As a kind of the improving of the utility model electrokinetic cell volume pin, the induction coil is spiral shape, square or rectangle.
As a kind of the improving of the utility model electrokinetic cell volume pin, the induction coil heats every layer of pole piece of battery core
To 50-150 DEG C.
As a kind of the improving of the utility model electrokinetic cell volume pin, winding and heater of the volume needle assemblies to battery core
Sequence synchronously completes.
Relative to prior art, the utility model electrokinetic cell rolls up pin and is internally integrated induction coil in volume punch block, can be same
When battery core is wound and heated, the heating-up temperature of battery core is that the high outer ring of inner ring is low in winding process, then in next step it is whole
When hot plate heats battery core during shape, battery core temperature is that the high inner ring in outer ring is low, and heating different twice can reach Internal and external cycle
High and low temperature compensates so that inside and outside the temperature of battery core uniformly, improves the service behaviour of battery.In addition, add simultaneously in winding
Thermoelectricity core, pole piece transfer heat to barrier film, and shaping can be directly gone after the completion of winding, can save the preheating procedure of battery core
And pre-heating device, manufacturing cost is reduced, improves battery production capacity.
Brief description of the drawings
With reference to the accompanying drawings and detailed description, the utility model electrokinetic cell volume pin is described in detail, wherein：
Fig. 1 show the structural representation of the utility model electrokinetic cell volume pin.
Fig. 2 is that electrokinetic cell shown in Fig. 1 rolls up the structural representation that punch block component is rolled up in pin.
Fig. 3 is schematic cross-sectional view of volume punch block component shown in Fig. 2 along A-A directions.
Wherein, description of reference numerals is as follows：
The needle assemblies of volume 10 punch block 100a first volume punch blocks of volume 100
The first induction coils of induction coil 102a of 100b volume Twos punch block 102
102b the second induction coil 104a the first clamp bar the second clamp bars of 104b
The first planes of guide rail 1000a of 106 clamp bar open-and-close mechanism 1060
1000b the second plane 1002a first surfaces the second curved surfaces of 1002b
The induction power supply of 20 200 controller of sensing control assembly 202
The battery core of 204 cooling-water machine, 206 infrared thermoviewer 30
The anode strip of 300 cathode sheets, 302 barrier film 304
306 barrier film 1004a the first groove the second grooves of 1004b
Embodiment
In order that goal of the invention of the present utility model, technical scheme and its advantageous effects become apparent from, below in conjunction with
The drawings and specific embodiments, the utility model is further elaborated.It should be appreciated that described in this specification
Embodiment just for the sake of explain the utility model, be not intended to limit the utility model.
Refer to shown in Fig. 1 to Fig. 3, the utility model electrokinetic cell volume pin includes volume needle assemblies 10 and sensing control assembly
20, the induction coil 102 that volume needle assemblies 10 include volume punch block 100 and are installed in volume punch block 100；Sensing control assembly 20 includes
Controller 200, induction power supply 202 and cooling-water machine 204, controller 200 control induction power supply 202 and cooling-water machine 204 respectively to sense
Coil 102 is answered to be powered and cool down；Wherein, the inside that needle assemblies 10 are located at battery core 30 in winding process is rolled up.
It refer to shown in Fig. 2 and Fig. 3, as a kind of preferred embodiment of the utility model electrokinetic cell volume pin, roll up pin
Frame 100 includes symmetrically arranged first volume punch block 100a and volume Two punch block 100b, first volume punch block 100a and volume Two punch block
100b is respectively equipped with the first plane 1000a and the second plane 1000b, and first surface 1002a and the second curved surface 1002b, the
The first groove 1004a and the second groove 1004b are offered respectively on one plane 1000a and the second plane 1000b.Induction coil
102 include the first induction coil 102a and the second induction coil 102b, the first induction coil 102a and the second induction coil 102b
It is corresponding to be installed in first volume punch block 100a and volume Two punch block 100b.First clamp bar 104a and the second clamp bar 104b pass through respectively
First groove 1004a and the second groove 1004b are fixedly connected on first volume punch block 100a and volume Two punch block 100b, the first folder
The extension of bar 104a and the second clamp bar 104b one end, which makes the test, punch block 100 and is slidably coupled to the guide rail of clamp bar open-and-close mechanism 106
On 1060, the first clamp bar 104a and the second clamp bar 104b can make opposite or relative motion on guide rail 1060, so as to realize the
Clamping and release between one clamp bar 104a and the second clamp bar 104b.
According to a kind of embodiment of the present utility model, volume punch block 100 can be circular, rhombus or ellipsoidal structure, excellent
First from circular or ellipsoidal structure.Volume punch block 100 is nonmetallic materials, in the embodiment party of the utility model electrokinetic cell volume pin
In formula, volume punch block 100 preferentially selects nylon material.Ceramics processing is made on the surface for rolling up punch block 100, can increase rigidity and improve volume
The surface abrasion resistance of punch block 100.The induction coil 102 rolled up in punch block 100 can be spiral shape, square or rectangle, but be not limited to
Above shape, rolls up the shape of punch block 100 and the shape of induction coil 102 is mutually matched.
According to a kind of embodiment of the present utility model, sensing control assembly 20 also includes infrared thermoviewer 206, it is infrared into
As every layer of pole piece temperature signal of collection is sent to controller 200 by instrument 206.
It refer to shown in Fig. 1 and Fig. 2, during winding, battery core supplied materials (cathode sheets 300, anode strip 304, barrier film 302 and barrier film
306) since the feeding unreeling, first clamp bar open-and-close mechanism 106 open the first clamp bar 104a and the second clamp bar 104b and are put into barrier film
302 and barrier film 306, then clamp barrier film 302 and barrier film 306 carries out foundation ring winding；Secondly, cathode sheets 300 are inserted into barrier film 302
Between volume punch block 100, anode strip 304 is inserted between barrier film 302 and barrier film 306, and volume punch block 100 drives cathode sheets 300, anode
Piece 304 is wound together；When cathode sheets 300 and anode strip 304 start to be wound to the surface of punch block 100, volume punch block 100 is really felt
Answering the controller 200 of control assembly 20, induction power supply 202 is now to sensing to induction power supply 202 and the input signal of cooling-water machine 204
Frequency power is handed in the input of coil 102, and induction coil 102 is heated to the initial battery core layer pole piece of volume punch block 100 surface winding, felt
Answer coil 102 that every layer of pole piece of battery core 30 is heated into 50-150 DEG C, and pass through the every of the monitoring heating in real time of infrared thermoviewer 206
Layer pole piece temperature simultaneously feeds back to controller 200 and is corrected, so as to when the rolling step of battery core 30 is completed, the heating of battery core 30
Process also synchronously completes.
After the winding and heating of one battery core 30 of completion, cooling-water machine 204 is used to cool down induction coil 102.
Because battery core 30 wind when be to be wound since inner ring, winding after battery core 30 inner ring temperature compared with outer ring heat time
Long, temperature is high.
After the completion of battery core 30 heats, the trimming of battery core 30 of next step is carried out, is now to clamp battery core 30 using hot plate,
It is conduction of heat because clamping plate heats to battery core 30, so temperature is that outer ring is high, inner ring is low during 30 shaping of battery core.Make full use of volume
Around when and two tasks and heat characteristic during shaping so that the heating-up temperature of battery core 30 is uniform.
The detailed description of the utility model embodiment can be seen that relative to prior art, this practicality with reference to more than
Novel power battery rolls up pin and is internally integrated induction coil 102 in volume punch block 100, battery core 30 can be wound and be added simultaneously
Heat, the heating-up temperature of battery core 30 is that the high outer ring of inner ring is low in winding process, then the hot plate heating electricity into next step reforming process
During core 30, the temperature of battery core 30 is that the high inner ring in outer ring is low, and heating different twice can reach the high and low temperature compensation of Internal and external cycle, make
Obtain the service behaviour that battery uniformly, is improved inside and outside the temperature of battery core 30.In addition, heat battery core 30, pole piece simultaneously in winding
Barrier film is transferred heat to, shaping can be directly gone after the completion of winding, the preheating procedure and preheating that can save battery core 30 are set
It is standby, manufacturing cost is reduced, improves battery production capacity.
The announcement and teaching of book according to the above description, the utility model those skilled in the art can also be to above-mentioned realities
The mode of applying carries out appropriate change and modification.Therefore, the utility model is not limited to specific implementation disclosed and described above
Mode, some modifications and changes of the present utility model should also be as falling into scope of the claims of the present utility model.
In addition, although used some specific terms in this specification, but these terms are merely for convenience of description, not to this reality
With new composition any restrictions.
Claims (9)
1. a kind of electrokinetic cell rolls up pin, it is characterised in that including：
Needle assemblies are rolled up, it includes the induction coil rolled up punch block and be installed in volume punch block；And
Sensing control assembly, it includes controller, induction power supply and cooling-water machine, controller control induction power supply and cooling-water machine, point
It is other that induction coil is powered and cooled down；
Wherein, the inside that needle assemblies are located at battery core in winding process is rolled up.
2. electrokinetic cell according to claim 1 rolls up pin, it is characterised in that the volume punch block includes symmetrically arranged first
Volume punch block and volume Two punch block, first volume punch block and volume Two punch block are equiped with the first clamp bar and the second clamp bar and clamp bar folding
Mechanism, clamp bar open-and-close mechanism control the clamping and release between the first clamp bar and the second clamp bar.
3. electrokinetic cell according to claim 2 rolls up pin, it is characterised in that the induction coil includes the first induction coil
With the second induction coil, the first induction coil and the second induction coil are correspondingly installed on the first volume punch block and volume Two punch block
In.
4. electrokinetic cell according to claim 1 rolls up pin, it is characterised in that the sensing control assembly also include it is infrared into
As instrument, every layer of pole piece temperature signal of collection is sent to controller by infrared thermoviewer.
5. electrokinetic cell according to claim 1 rolls up pin, it is characterised in that the volume punch block is circular, rhombus or ellipse
Shape.
6. electrokinetic cell according to claim 1 rolls up pin, it is characterised in that the volume punch block is nonmetallic materials, described
Do ceramic processing in the surface of volume punch block.
7. electrokinetic cell according to claim 1 rolls up pin, it is characterised in that the induction coil is spiral shape, it is square or
Rectangle.
8. electrokinetic cell according to claim 1 rolls up pin, it is characterised in that the induction coil is by every layer of pole piece of battery core
It is heated to 50-150 DEG C.
9. electrokinetic cell according to claim 1 rolls up pin, it is characterised in that the volume needle assemblies are to the winding of battery core and add
Thermal technology's sequence synchronously completes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720563395.5U CN206921959U (en) | 2017-05-19 | 2017-05-19 | Electrokinetic cell rolls up pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720563395.5U CN206921959U (en) | 2017-05-19 | 2017-05-19 | Electrokinetic cell rolls up pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206921959U true CN206921959U (en) | 2018-01-23 |
Family
ID=61308858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720563395.5U Active CN206921959U (en) | 2017-05-19 | 2017-05-19 | Electrokinetic cell rolls up pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206921959U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108336418A (en) * | 2018-03-27 | 2018-07-27 | 江苏塔菲尔新能源科技股份有限公司 | A kind of winding process improving battery core dilatancy |
| CN112421129A (en) * | 2021-01-25 | 2021-02-26 | 江苏时代新能源科技有限公司 | Battery cell manufacturing equipment and method thereof |
| CN114583237A (en) * | 2022-03-16 | 2022-06-03 | 厦门海辰新能源科技有限公司 | Winding device and method for winding core |
-
2017
- 2017-05-19 CN CN201720563395.5U patent/CN206921959U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108336418A (en) * | 2018-03-27 | 2018-07-27 | 江苏塔菲尔新能源科技股份有限公司 | A kind of winding process improving battery core dilatancy |
| CN112421129A (en) * | 2021-01-25 | 2021-02-26 | 江苏时代新能源科技有限公司 | Battery cell manufacturing equipment and method thereof |
| CN114583237A (en) * | 2022-03-16 | 2022-06-03 | 厦门海辰新能源科技有限公司 | Winding device and method for winding core |
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| GR01 | Patent grant |