CN206595353U - A kind of coiler device for being used to manufacture winding element - Google Patents
A kind of coiler device for being used to manufacture winding element Download PDFInfo
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- CN206595353U CN206595353U CN201720052115.4U CN201720052115U CN206595353U CN 206595353 U CN206595353 U CN 206595353U CN 201720052115 U CN201720052115 U CN 201720052115U CN 206595353 U CN206595353 U CN 206595353U
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- Prior art keywords
- pressure roller
- material strip
- barrier film
- roll
- winding
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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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Abstract
The utility model is related to a kind of coiler device for being used to manufacture winding element, including volume pin, the volume pin, which is used to clamp, to be needed to be spaced from each other the negative electrode material strip of winding and anode material strip, described negative electrode material strip and anode material strip is separated using barrier film, stating coiler device can make it that the winding element integral thickness after winding reduces by first carrying out barrier film pre-roll to be wound the winding of element again, coiler device also includes the pre-roll pin for barrier film pre-roll, negative electrode material strip is clamped in volume pin, before anode material strip and barrier film are wound, using the pre-roll pre-roll is carried out for barrier film, the length of pre-roll is approximately the length for winding negative electrode material strip or anode material strip used in a winding element.
Description
Technical field
The utility model is related to a kind of coiler device for being used to manufacture winding element, belongs to the manufacture of lithium battery coiling winding apparatus and sets
Standby technical field.
Background technology
In lithium battery manufacturing process, anode material strip, barrier film and cathode sheet are wound preparation volume by automotive rolling mechanism
Around battery core.In order to which effectively separating anode material strip, cathode sheet prevents short circuit, one when being wound to pole piece and barrier film
As one anode material strip of selection, a cathode sheet and two barrier films with anode material strip/barrier film/cathode sheet/barrier film or similar
Form be wound, as shown in fig. 1.When being wound generally using first by A barrier films 3, B barrier films 4 volume pin 5 on pre-roll,
Again by anode material strip 1 and the winding shaping of cathode sheet 2, and under such winding method, A, B barrier film of pre-roll are in winding battery core
Inside can occupy certain thickness, such that winding flatten after battery core it is thicker, and in advance winding one section of A, B every
Film can make it that barrier film amount ratio is more.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art simple there is provided a kind of structure
Coiler device single, that barrier film usage amount and reduction core integral thickness can be reduced.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of winding for being used to manufacture winding element
Device, including volume pin, the volume pin, which is used to clamp, to be needed to be spaced from each other the negative electrode material strip of winding and anode material strip, described negative electrode
Material strip and anode material strip are separated using barrier film, and the coiler device can be wound element again by first carrying out barrier film pre-roll
Wind and the winding element integral thickness after winding is reduced；The coiler device also includes the pre-roll pin for barrier film pre-roll,
Before volume pin clamping negative electrode material strip, anode material strip and barrier film are wound, pre-roll is carried out for barrier film using the pre-roll,
The length of pre-roll is approximately the length for winding negative electrode material strip or anode material strip used in a winding element.
According to the technical solution of the utility model, it is possible to achieve following beneficial effect：（1）Barrier film usage amount can be reduced；（2）
The rolling thickness of winding element can be reduced；（3）The production efficiency of winding element can be improved.
According to a kind of embodiment of the present utility model, the first pressure roller and the second pressure roller, institute are provided with above the volume pin
Pressing barrier film can be relatively moved by stating the first pressure roller and the second pressure roller, be set between the pre-roll pin and the first pressure roller or the second pressure roller
There is the 4th pressure roller, the barrier film between the first pressure roller or the second pressure roller and pre-roll pin can be pushed into volume pin and clamp work by the 4th pressure roller
Position.
According to a kind of embodiment of the present utility model, the pre-roll pin side is provided with the 3rd pressure roller, the 3rd pressure
Roller is used to compress and the exceptionally straight barrier film transmitted between the first pressure roller and the second pressure roller, and on the exceptionally straight barrier film and pre-roll pin
Clamping direction it is consistent.
According to a kind of embodiment of the present utility model, cutting knife is provided with the upside of the 3rd pressure roller, the cutting knife is used for
The exceptionally straight barrier film of cut-out.
According to a kind of embodiment of the present utility model, the first pressure roller and the second pressure roller relative movement can be also used for
It is pressed against the negative electrode material strip and anode material strip for being respectively arranged at barrier film both sides, and folded negative electrode material strip, barrier film material strip and anode material
Band just clamps station to volume pin.
Brief description of the drawings
Fig. 1 is the schematic diagram of double barrier film electric core winding modes in the prior art.
Fig. 2 is the schematic diagram of the single-station electric core winding mode in the utility model.
Fig. 3 is the schematic diagram of three station electric core winding modes in the utility model.
Embodiment
With reference to specific embodiment, the utility model is described in further detail.
Embodiment 1：
With shown in Fig. 2, only unreeled during winding using a roll of barrier film, a roll of anode material strip, a roll of negative electrode material strip, the
Before a roll of pin 603 is wound, second barrier film 602 is first subjected to pre-roll using the first pre-roll pin 604, the length of pre-roll is approximately volume
Around process middle-jiao yang, function of the spleen and stomach, the spooling length of negative electrode material strip, it is substantially exactly first to pull out one battery core of winding from a membrane coil to need
The diaphragm length wanted, when being wound, then from same membrane coil again release winding one battery core needed for spooling length,
The original barrier film carried out simultaneously from two membrane coils under membrane unwinding situation is replaced using the barrier film of the two spooling lengths, will
Anode material strip, negative electrode material strip are separated.When the first pre-roll pin 604 completes pre-roll, volume pin 603 is stretched out second plate material strip
600th, the second barrier film 602, the second negative electrode material strip 601 are clamped and are wound, in winding, and the first pre-roll pin 604 is synchronous to be put
Volume, when the membrane winding for pulling out pre-roll is finished, second plate material strip 600, the second negative electrode material strip 601 and the second barrier film
602 almost also complete the winding of predetermined length simultaneously, and row is coiled around battery core.The battery core of so coiling and molding avoids conventional utilization
The independent pre-roll of barrier film during double membrane windings so that the battery core thickness of coiling and molding diminishes, and barrier film can be saved, reduce wave
Take.
Embodiment 2：
So that shown in Fig. 3, the embodiment uses three station core structures, three stations are uniformly arranged volume Two pin 709, the reality
Apply in example mainly include control device, unwinding device, volume Two pin 709, the second pre-roll pin 707, cutting knife 708, for compressing the
First pressure roller 703 of three barrier films 701 and/or the negative electrode material strip 702 of third anode material strip 700 and the 3rd, the second pressure roller 704 and use
In the 4th pressure roller 706 that the 3rd barrier film 701 is pushed into correct position.
After the electric core winding on the first station 800 on volume Two pin 709 is finished, the volume Two pin on the first station 800
On 709 rotation to the second stations 801, the volume Two pin 709 in 3rd station is rotated to the first station, is set above the first station
The first pressure roller 703, the second pressure roller 704 are equipped with, the first pressure roller 703, the second pressure roller 704 are connected with cylinder respectively can realize opposite shifting
Dynamic, the first pressure roller 703, the move toward one another of the second pressure roller 704 press against the 3rd barrier film 701, and the 3rd pressure roller 705 is pushed down on the second station
Volume Two pin 709 the 3rd barrier film 701 between first pressure roller 703, the second pressure roller 704 and the 3rd pressure roller 705 is exceptionally straight, and make
The 3rd barrier film 701 direction it is consistent with the crack direction of the second pre-roll pin 707, second pre-roll pin 707 easy to use clamps the
Three barrier films 701 carry out pre-roll, now, and control device controls the second pre-roll pin 707 to clamp the 3rd barrier film 701 and carry out to a certain degree
Winding, cutting knife 708 is provided between the second pre-roll pin 707 and the 3rd pressure roller 705, cutting knife 708, which is acted, cuts the 3rd barrier film 701
Disconnected, the second pre-roll pin 707 proceeds winding, and the length that the second pre-roll pin 707 winds the 3rd barrier film 701 is approximately winding one
The length of negative electrode material strip or anode material strip used in winding element, after pre-roll is finished, the second pre-roll pin 707 is motionless, set with
The 4th pressure roller 706 between first pressure roller 703 and the second pre-roll pin 707 promotes the 3rd barrier film 701, makes the 4th pressure roller more than 706
The 3rd barrier film 701 be in vertical direction, control the first pressure roller 703, the second pressure roller 704 are recalled to both sides, slot milling, then
Coiler device unreels the 3rd positive and negative pole material strip 700,702 so that the 3rd positive and negative pole material strip positioned at barrier film both sides reaches
One station 800 is the position of current volume Two pin 709, and the first pressure roller 703 of control, second pressure roller 704 are by positioned between the two
3rd positive and negative pole material strip 700,702 and the 3rd barrier film 701 are compressed, and the volume Two pin 709 on the first station of control stretches out and clamped
Positive and negative pole material strip and barrier film, are wound, while volume Two pin 709 is wound, and the second pre-roll pin 707 is synchronous to be unreeled,
When winding will be finished, positive and negative pole material strip is cut off according to predetermined length, and the volume Two pin 709 on the first station continues to roll up
Around, positive and negative pole material strip and reserved 3rd barrier film 701 winding are finished, a winding battery core is formed, volume Two pin 709 from
First station 800 is rotated to the second station 801, and completion is once wound.
The method for winding course of work of winding element is as follows：
First, the first pressure roller 703 and the second pressure roller 704 and the 3rd pressure roller 705 are acted respectively, for clamping and exceptionally straight first
The 3rd barrier film 701 between the pressure roller 704 of pressure roller 703 or second and the 3rd pressure roller 705, then, pre-roll pin, which stretches out and clamped, to stretch tight
The 3rd straight barrier film 701, the second pre-roll pin 707 winds the 3rd barrier film 701, the length of the barrier film 701 of 707 pre-roll of the second pre-roll pin the 3rd
Degree is approximately the length for winding the 3rd negative electrode material strip 702 or third anode material strip 702 used in a winding element；Then,
The first pressure roller 703 and the second pressure roller 704 of the top of second pre-roll pin 707 are relatively moved, for clamping the first pressure roller 703 and second
The barrier film 701 of the 3rd positive and negative pole material strip the 700,702, the 3rd and the 3rd positive and negative pole material strip 700 between pressure roller 704,702,
3rd barrier film 701 just to volume Two pin 709 clamp station, then volume Two pin 709 stretch out, by the 3rd positive and negative pole material strip 700,
702 and the 3rd barrier film 701 clamp and be wound, while when volume Two pin 709 is wound, the second pre-roll pin 707 will be rolled up in advance
Around synchronous the 3rd barrier film 701 for being unreeled and being unreeled of the 3rd barrier film 701 wound by the second pre-roll pin 707；
Second pre-roll pin 707 winds the 3rd positive and negative pole material strip 700,702 after designated length, the 3rd positive and negative pole of cut-out material
Band 700,702, then, the second pre-roll pin 707 continue to wind, by the 3rd positive and negative pole material strip 700,702 and the reserved the 3rd every
The winding of film 701 forms a battery core.
This method for winding can reduce barrier film usage amount and can reduce winding battery core thickness, improve electric core winding efficiency.
Although preferred embodiment of the present utility model is described above in conjunction with accompanying drawing, the utility model not office
It is limited to above-mentioned embodiment, above-mentioned embodiment is only schematical, is not restricted, this area
Those of ordinary skill under enlightenment of the present utility model, do not departing from the utility model objective and protective scope of the claims
In the case of, the specific conversion of many forms can also be made, these are belonged within protection domain of the present utility model.
Claims (5)
1. a kind of coiler device for being used to manufacture winding element, including volume pin, the volume pin are spaced from each other volume for clamping needs
Around negative electrode material strip and anode material strip, described negative electrode material strip and anode material strip separated using barrier film, it is characterised in that：
The coiler device can be wound the winding of element again by first carrying out barrier film pre-roll and cause the winding after winding
Element integral thickness reduces；
The coiler device also includes the pre-roll pin for barrier film pre-roll, and negative electrode material strip, anode material strip and barrier film are clamped in volume pin
Before being wound, pre-roll is carried out for barrier film using the pre-roll, the length of pre-roll is approximately one winding element institute of winding
The negative electrode material strip or the length of anode material strip used.
2. a kind of coiler device for being used to manufacture winding element as claimed in claim 1, it is characterised in that：Above the volume pin
The first pressure roller and the second pressure roller are provided with, first pressure roller and the second pressure roller can relatively move pressing barrier film, the pre-roll pin
Be provided with the 4th pressure roller between the first pressure roller or the second pressure roller, the 4th pressure roller can by the first pressure roller or the second pressure roller with it is pre-
Barrier film between volume pin is pushed into volume pin and clamps station.
3. a kind of coiler device for being used to manufacture winding element as claimed in claim 1 or 2, it is characterised in that：The pre-roll
Pin side is provided with the 3rd pressure roller, and the 3rd pressure roller is used to compressing and exceptionally straight transmitted between the first pressure roller and the second pressure roller
Barrier film, and the exceptionally straight barrier film is consistent with the clamping direction on pre-roll pin.
4. a kind of coiler device for being used to manufacture winding element as claimed in claim 3, it is characterised in that：3rd pressure roller
Upside is provided with cutting knife, and the cutting knife is used to cut off exceptionally straight barrier film.
5. a kind of coiler device for being used to manufacture winding element as claimed in claim 4, it is characterised in that：First pressure roller
It can be also used for being pressed against the negative electrode material strip for being respectively arranged at barrier film both sides and anode material strip with the relative movement of the second pressure roller, and it is folded
Negative electrode material strip, barrier film material strip and anode material strip just to volume pin clamp station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720052115.4U CN206595353U (en) | 2017-01-17 | 2017-01-17 | A kind of coiler device for being used to manufacture winding element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720052115.4U CN206595353U (en) | 2017-01-17 | 2017-01-17 | A kind of coiler device for being used to manufacture winding element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206595353U true CN206595353U (en) | 2017-10-27 |
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ID=60127988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720052115.4U Active CN206595353U (en) | 2017-01-17 | 2017-01-17 | A kind of coiler device for being used to manufacture winding element |
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| Country | Link |
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| CN (1) | CN206595353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602150A (en) * | 2017-01-17 | 2017-04-26 | 无锡先导智能装备股份有限公司 | Winding device for manufacturing winding element and winding method of winding element |
-
2017
- 2017-01-17 CN CN201720052115.4U patent/CN206595353U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602150A (en) * | 2017-01-17 | 2017-04-26 | 无锡先导智能装备股份有限公司 | Winding device for manufacturing winding element and winding method of winding element |
| CN106602150B (en) * | 2017-01-17 | 2023-09-01 | 无锡先导智能装备股份有限公司 | Winding device and winding method for manufacturing lithium battery winding element |
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