CN207930183U - Pole piece die-cutting device - Google Patents
Pole piece die-cutting device Download PDFInfo
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- CN207930183U CN207930183U CN201820353225.9U CN201820353225U CN207930183U CN 207930183 U CN207930183 U CN 207930183U CN 201820353225 U CN201820353225 U CN 201820353225U CN 207930183 U CN207930183 U CN 207930183U
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Abstract
This application involves energy storage device technical fields, more particularly to a kind of pole piece die-cutting device, it includes base material unreeling structure, foil unreeling structure, roll welding mechanism and laser die cutting mechanism, the roll welding mechanism is arranged in the downstream of the base material unreeling structure and the foil unreeling structure, and the roll welding mechanism is arranged to that the foil and the edge of the base material is made to connect；The laser die cutting mechanism is arranged in the downstream of the roll welding mechanism, and the edge that the laser die cutting mechanism is arranged to the base material to being connected with the foil is cut, to form lug.The pole piece die-cutting device is reducing worker's amount of labour, while improving production efficiency, additionally it is possible to the connective stability of base material and foil be effectively ensured.
Description
Technical field
This application involves energy storage device technical field more particularly to a kind of pole piece die-cutting devices.
Background technology
With the high speed development of lithium ion battery, the size of energy density and the quality of electrical property have become lithium ion
The core competitiveness of battery.For switching has the battery of foil, electric conductivity to obtain effectively changing at lug position on pole piece
Kind and promotion.Currently, the process of the pole piece of this foil of transferring on base material is formed by connecting by hand generally by worker,
Low production efficiency, and the connective stability of base material and foil is poor.
Utility model content
This application provides a kind of pole piece die-cutting devices, worker's amount of labour are being reduced, while improving production efficiency, moreover it is possible to
The connective stability of base material and foil is enough effectively ensured.
This application provides a kind of pole piece die-cutting devices comprising：Base material unreeling structure；
Foil unreeling structure；
Roll welding mechanism, the roll welding mechanism are arranged in the downstream of the base material unreeling structure and the foil unreeling structure,
The roll welding mechanism is arranged to that the foil and the edge of the base material is made to connect；
Laser die cutting mechanism, the laser die cutting mechanism are arranged in the downstream of the roll welding mechanism, the laser die cutting machine
The edge that structure is arranged to the base material to being connected with the foil is cut, to form lug.
Preferably, the roll welding mechanism includes the first welding rolls and the second welding rolls, first welding rolls and described the
Be formed between two welding rolls for the base material and the foil by accommodating chamber,
At least one of first welding rolls and second welding rolls are discaling roll, and the discaling roll includes shaft and sets
Set multiple welding teeth in the shaft, circumferentially-spaced arrangement of each welding tooth in the shaft.
Preferably,
Each welding tooth is uniformly arranged in the circumferential direction of the shaft.
Preferably, the welding tooth includes multiple tooth blocks, and each tooth block is intervally arranged in the axial direction of the shaft.
Preferably,
Each tooth block is uniformly arranged in the axial direction of the shaft.
Preferably, first welding rolls be the discaling roll, second welding rolls be smooth roll, described turn of the discaling roll
The diameter of axis is more than the diameter of the smooth roll.
Preferably, the roll welding mechanism includes ultrasonic vibration apparatus, the first welding rolls and the second welding rolls, and described first
Be formed between welding rolls and second welding rolls for the base material and the foil by accommodating chamber, the ultrasonic wave shakes
Dynamic device is arranged to that at least one of first welding rolls and second welding rolls is made to vibrate.
Preferably, one of first welding rolls and second welding rolls are support roller, and another one is vibrating roller,
The ultrasonic vibration apparatus is arranged to that the vibrating roller is made to vibrate.
Preferably, driving mechanism is arranged in the downstream of the laser die cutting mechanism, and the driving mechanism is arranged to after connection
The base material and the foil apply driving force, the laser die cutting mechanism is arranged close to the driving mechanism.
Preferably, further include dedusting mechanism, the dedusting mechanism is arranged in the downstream of the laser die cutting mechanism.
Technical solution provided by the present application can reach following advantageous effect：
Pole piece die-cutting device provided herein replaces currently used manual operation by using roll welding mechanism,
Foil is connected to the edge of base material, can not only reduce worker's amount of labour, improves production efficiency, and also ensure base material with
There is the case where foil is detached from base material when alleviating post laser die cutting mechanism cross cutting lug in the bonding strength of foil.In addition, using
Base material and foil are welded together for roll welding mechanism, it is also ensured that the continuity in welding process further increases pole piece cross cutting
The production efficiency of equipment.
It should be understood that above general description and following detailed description is merely exemplary, this can not be limited
Application.
Description of the drawings
The structure diagram for the pole piece die-cutting device that Fig. 1 is provided by the embodiment of the present application；
In the pole piece die-cutting device that Fig. 2 to Fig. 4 is provided by the application difference embodiment, the position relationship of foil and base material
Schematic diagram.
Reference numeral：
11- base material unreeling structures；
12- foil unreeling structures；
13- roll weldings mechanism；
The first welding rolls of 130-；
The second welding rolls of 132-；
134- ultrasonic vibration apparatus；
14- laser die cuttings mechanism；
15- driving mechanisms；
16- pole piece deviation corrections mechanism；
18- raw material deviation correction mechanisms；
The first tension control mechanisms of 19-；
191- fixing rollers；
192- movable rolls；
20- garbage collections mechanism；
21- dedusting mechanisms；
22- rolling-up mechanisms；
The second tension control mechanisms of 23-；
24- base materials；
25- foils.
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the application
Example, and the principle together with specification for explaining the application.
Specific implementation mode
It is described in further detail below by specific embodiment and in conjunction with attached drawing to the application.
In the related technology, in order to reduce the weight of battery, the collector for making pole piece is usually composite current collector, should
Composite current collector may include insulating layer and is covered in the conductive layer of insulating layer opposite sides, the insulating layer generally use macromolecule material
Material is made, lighter in weight, therefore, can reduce the weight of collector, so as to reduce the weight of battery.But due to composite current collecting
In body there is insulating layer therefore to cause the lug resistance that the composite current collector is produced larger.In order to solve this problem, phase
In the technology of pass, by the way of foil of transferring at lug, to improve the electrical property of battery, that is to say, that for making battery
Pole piece lug on need with foil, to reduce the resistance of lug, to improve battery electrical property.It should be noted that should
Foil is very thin sheet metal or band, and lighter in weight is smaller to the weight of battery.
Wherein, there is foil in order to be used on the lug for the pole piece for making battery, as shown in Figure 1, the embodiment of the present application
A kind of pole piece die-cutting device is provided, which includes base material unreeling structure 11, foil unreeling structure 12, seam welder
Structure 13 and laser die cutting mechanism 14.
Base material unreeling structure 11 is arranged to unreel base material 24, which can be the initial configuration of pole piece, wherein the base material
24 may include collector and coating active material layer on a current collector, it should be noted that base material 24 width direction (such as
Y-direction shown in Fig. 2) on, the uncoated active material layer in an at least edge of collector, in order to make lug, also
It is to say, the edge of the base material 24 is for being die cut out lug；Foil unreeling structure 12 is arranged to unreel foil 25；And roll welding mechanism 13
It is arranged in the downstream of base material unreeling structure 11 and foil unreeling structure 12, which is arranged to make foil 25 and base material 24
Edge connection, that is to say, that the foil 25 can be connect with the edge of base material 24 by roll welding mechanism 13；Laser die cutting mechanism 14
It is arranged in the downstream of roll welding mechanism 13, lug is cut and formed with the edge of the base material 24 to being connected with foil 25, due to
It is connected with foil 25 on the lug being die cut out, so as to reduce the resistance of lug, improves the conveyance capacity of lug, then promotes electricity
The electrical property in pond.
In addition, in the present embodiment, currently used manual operation is replaced by using roll welding mechanism 13, foil 25 is connected
It is connected to the edge of base material 24, can not only reduce worker's amount of labour, improves production efficiency, and also ensure base material 24 and foil
25 bonding strength is alleviated when post laser die cutting mechanism 14 is die cut lug and the case where foil 25 is detached from base material 24 occurs.In addition,
Base material 24 and foil 25 are welded together using roll welding mechanism 13, it is also ensured that the continuity in welding process further carries
The production efficiency of high pole piece die-cutting device.
Specifically, base material unreeling structure 11 can be the structure of similar support roller, base material material volume with foil unreeling structure 12
It can be respectively sleeved on base material unreeling structure 11 and foil unreeling structure 12 with foil material volume, and in base material 24 and foil 25
In transmission process (transmission direction of base material 24 and foil 25 is direction shown in arrow in Fig. 1), base material unreeling structure 11 and foil
The mode of passive type rotation can be used in material unreeling structure 12, so as to according to base material during following process 24 and foil 25
Demand adaptability supplies.
And roll welding mechanism 13 may include the first welding rolls 130 and the second welding rolls 132, the weldering of the first welding rolls 130 and second
Connect be formed between roller 132 for base material 24 and foil 25 by accommodating chamber, in the welding process, first welding rolls 130 and
Second welding rolls 132 can in accommodating chamber base material 24 and foil 25 squeeze so that the first welding rolls 130 and second
There is higher temperature between welding rolls 132, to make foil 25 and 24 part of base material melt, foil 25 is finally made to be welded on base
On the edge of material 24.
Wherein, at least one of the first welding rolls 130 and the second welding rolls 132 be discaling roll, the discaling roll include shaft and
The multiple welding teeth being arranged in shaft, each circumferentially-spaced arrangement for welding tooth in shaft are moved in foil 25 and base material 24
During, shaft rotation, and make to be arranged each welding tooth in shaft and squeeze base material 24 and foil in accommodating chamber successively
Material 25, so that the foil 25 is welded on the edge of base material 24.
In the present embodiment, by the way that welding rolls (the first welding rolls 130 or the second welding rolls 132) is designed to discaling roll, it can subtract
The contact area of small welding rolls and foil 25 and base material 24, so as to alleviate welding rolls in the welding process with foil 25 and base material
24 there is a situation where being bonded, and then improves the welding stability and welding quality of foil 25 and base material 24.
It should be noted that when being welded using roll welding mechanism 13, since foil 25 and 24 part of base material melt, melt
The foil 25 and base material 24 of change can be flowed to the both sides of welding position, and squeezing in the first welding rolls 130 and the second welding rolls 132
Pressure can make the part welding that foil 25 is opposite with the position on base material 24 between two adjacent solder teeth, ensure that foil 25
With the welding stability and welding quality of base material 24.
Optionally, respectively welding tooth is uniformly arranged in the circumferential direction of shaft, to ensure to be formed between base material 24 and foil 25
Weldering be imprinted on tape transport direction and equidistantly arrange, to ensure the welding quality of base material 24 and foil 25.
Wherein, welding tooth may include that multiple tooth blocks, each tooth block are intervally arranged in the axial direction of shaft, and design in this way is ensureing
While foil 25 is with 24 weld strength of base material, the contact area of welding rolls and foil 25 and base material 24 can be further decreased, from
And welding rolls can be alleviated in the welding process with foil 25 and base material 24 there is a situation where be bonded, then improve foil 25 and base
The welding quality of material 24.
Optionally, each tooth block is uniformly arranged in the axial direction of shaft, to ensure to be formed by between base material 24 and foil 25
Weldering is imprinted in the width direction of base material 24 (foil 25) and equidistantly arranges, to be further ensured that the welding of base material 24 and foil 25
Quality.
In the preferred embodiment of the application, the first welding rolls 130 can be discaling roll, and the second welding rolls 132 can be light
Roller, in this way design can avoid the welding of the first welding rolls 130 and second compared to the scheme that two welding rolls are both designed as to discaling roll
Roller 132, which engages, causes base material 24 and foil 25 to move difficult situation, but also can avoid base material 24 and 25 stress of foil excessively
It concentrates there is a situation where being broken, further improves the welding stability and welding quality of foil 25 and base material 24.
In addition, in the case where the installation space of pole piece die-cutting device allows, the diameter of the shaft of the discaling roll can be more than light
The diameter of roller can make that more welding teeth can be arranged on discaling roll in this way, using frequently for tooth is respectively welded in welding process to reduce
Rate extends the service life of each welding tooth to reduce the degree of wear of each welding tooth.
Optionally, roll welding mechanism 13 further includes ultrasonic vibration apparatus 134, which is arranged to make
At least one of first welding rolls 130 and the second welding rolls 132 vibrate, and in vibration processes, vibrational energy is welded from first
Roller 130 or the second welding rolls 132 are transmitted to the accommodating chamber formed between the first welding rolls 130 and the second welding rolls 132
Foil 25 is on base material 24, and in welding region, vibrational energy is converted into thermal energy by friction mode, causes foil 25 and base material
24 contact surface melts rapidly, in addition after certain pressure, it is made to be fused into one, i.e.,：Foil 25 links together with base material 24.
In the present embodiment, since foil 25 is relatively thin, the case where foil 25 melts completely is can avoid by using ultrasonic bonding, so as to
After guarantee foil 25 is steadily welded on base material 24, and such mode of use is welded, the good conductivity of foil 25 and base material 24,
Resistance coefficient is extremely low or near-zero improves the electrical property of battery to reduce the resistance of finally formed lug.In addition,
Ultrasonic bonding mode no-spark, Environmental Safety.
Specifically, one of the first welding rolls 130 and the second welding rolls 132 be support roller, play support foil 25 with
The effect of base material 24, another one are vibrating roller, vibrating roller high-frequency vibration under the drive of ultrasonic vibration apparatus 134, and with
Support roller cooperation makes foil 25 and the contact surface of base material 24 melt rapidly, in addition after certain pressure, it is made to be fused into one.This reality
It applies in example, only there are one vibrating in the first welding rolls 130 and the second welding rolls 132, design in this way can avoid the first welding
Roller 130 and the second welding rolls 132 are there is a situation where resonating, to ensure the welding stability and welding matter of foil 25 and base material 24
Amount.
Optionally, one of the first welding rolls 130 and the second welding rolls 132 can be active welding rolls, and another one can be
Driven welding rolls, that is to say, that the first welding rolls 130 and the second welding rolls 132 can be driven by a driving motor, this
Sample design can guarantee that the first welding rolls 130 and the second welding rolls 132 move synchronously, to ensure between foil 25 and base material 24
Welding quality and welding stability.
Laser die cutting mechanism 14 may include that laser generator, staff can preset corresponding program, laser made to send out
The pulse laser that raw device is sent out moves in setting speed lower edge setting path, thus in the moving process of pole piece, by swashing
The mode of light cutting forms the lug of setting shape and size on pole piece.
Wherein, laser generator may be provided with multiple, in the width direction of base material 24, at the opposite two edges of base material 24
Be respectively arranged with the laser generator, in this way design can make the pole piece finally produced pole piece width direction (i.e.：Base material 24
Width direction) on opposite sides all have lug.
It should be noted that the switch button on each laser generator can be controlled individually, pole is cut out when needing unilateral side
When ear, side laser generator can control to open, the other side is closed, and when needing bilateral to cut out lug, can control both sides laser
Generator is opened, and design in this way improves the compatibility of pole piece die-cutting device.In addition, it should be noted that, it is double making
When side has the pole piece of lug, as shown in Figure 3 and Figure 4, pole piece die-cutting device can realize the side switching foil 25 of base material 24,
It can be as shown in Fig. 2, the opposite sides switching foil 25 of base material 24 be realized, specifically depending on process requirements.
In one embodiment of the application, pole piece die-cutting device further includes driving mechanism 15, the driving mechanism 15 setting
At to the base material 24 and the application driving force of foil 25 after connection, base material 24 and foil 25 is driven to be moved in driving mechanism 15
When, the process that roll welding mechanism 13 and laser die cutting mechanism 14 are welded and are die cut to base material 24 and foil 25 respectively, to be formed
Lug；Wherein, driving mechanism 15 is arranged in the downstream of laser die cutting mechanism 14, and design, which can guarantee, in this way is located in driving mechanism 15
The base material 24 and foil 25 of trip synchronize movement under the drive of driving mechanism 15, to make positioned at 15 upstream of driving mechanism
Pole piece ensures that its surface tension everywhere is equal, the displacement in the unit interval is equal under the action of constant driving；Thus
When laser die cutting mechanism 14 carries out cutting processing to pole piece, it is ensured that the machining accuracy of lug.
Specifically, driving mechanism 15 may include motor and the drive roll that is connect with motor, wherein motor drive
Drive roll rotation to provide pulling force to base material 24 and foil 25, with ensure in entire pole piece process can continuously into
Row, certainly, driving mechanism 15 or other structures having to pole piece offer driving force function.
In order to further ensure the machining accuracy of lug, it is preferable that laser die cutting mechanism 14 can be close to driving mechanism 15
Setting, that is to say, that in the installation process of pole piece die-cutting device, can make between driving mechanism 15 and laser die cutting mechanism 14
Spatial position it is close to each other；Simultaneously from the point of view of the formation of pole piece and processing sequence, in driving mechanism 15 and laser die cutting mechanism
Between 14, other than live-roller, other mechanisms can be not provided with, to shorten between driving mechanism 15 and laser die cutting mechanism 14
Distance, ensure that the surface tension for being moved to pole piece at 14 position of laser die cutting mechanism is consistent, and then make to be formed by lug
Precision it is higher.
Since lug is formed in pole piece (i.e.：Be welded with the base material 24 of foil 25) edge, thus in order to prevent because of pole
The machining accuracy for deviating and leading to lug, which occurs, in piece to be reduced, it is preferred that pole piece die-cutting device provided herein can also wrap
Pole piece deviation correction mechanism 16 is included, pole piece deviation correction mechanism 16 can be arranged between laser die cutting mechanism 14 and roll welding mechanism 13.Specifically
, may include deflection correction sensor in pole piece deviation correction mechanism 16, and in the process of pole piece, it can be with error correct sensor
It is opposite with pole piece, after deflection correction sensor detects that offset occurs in pole piece, the control in pole piece deviation correction mechanism 16 can be passed through
Device corrects the position of pole piece, to ensure that pole piece moves forward in the setting regions of live-roller, further to promote lug
Machining accuracy.
Correspondingly, in order to ensure the connection precision between base material 24 and foil 25, it is preferred that pole piece provided herein
Die-cutting device can also include raw material deviation correction mechanism 18, and between base material unreeling structure 11 and roll welding mechanism 13 and foil is put
It can be provided with raw material deviation correction mechanism 18 between volume mechanism 12 and roll welding mechanism 13.Specifically, with pole piece deviation correction mechanism 16
Structure it is similar, can also include deflection correction sensor in raw material deviation correction mechanism 18, and in the process of pole piece, base material 24
It can be provided with deflection correction sensor with the relative position of foil 25, to be realized to base material 24 and foil by deflection correction sensor
The purpose of 25 corrections, to ensure that base material 24 and foil 25 are formed by the precision of pole piece.
Since base material 24 and foil 25 are two different materials, thus in the process of pole piece, even if base material 24
It being driven by same driving mechanism 15 with foil 25, the surface tension of the two is also likely to be present fine distinction, thus preferred, this
The there is provided pole piece die-cutting device of application can also include the first tension control mechanism 19, can be in base material unreeling structure 11 and rolling
First tension control mechanism 19 is set between welding mechanism 13 or between foil unreeling structure 12 and roll welding mechanism 13, to pass through
One tension control mechanism 19 adjusts base material 24 and the surface tension of foil 25 to identical；First tension control mechanism 19 may include
Fixing roller 191 and movable roll 192, and movable roll 192 can be arranged to be relatively fixed the movement of roller 191.
Specifically, may include a fixing roller 191 and two movable rolls 192 in the first tension control mechanism 19, and it is solid
Fixed roll 191 can be with respect to the rest of pole piece processing platform, and can be arranged with closed-loop drive band in two movable rolls 192,
Unequal in base material 24 and 25 surface tension of foil, two movable rolls 192 can be relatively fixed the rotation of roller 191, from
And achieve the purpose that adjust base material 24 and 25 surface tension of foil to equal.
Since lug is to be formed by cutting some materials on pole piece, thus will certainly be produced in the process of lug
Raw pole piece waste material, it is preferred that pole piece die-cutting device provided herein can also include garbage collection mechanism 20, garbage collection
Mechanism 20 can be correspondingly arranged with laser die cutting mechanism 14.
Specifically, garbage collection mechanism 20 can be waste material bucket, and garbage collection mechanism 20 can be arranged in laser die cutting
The lower section of mechanism 14, in this way setting allow waste material under the effect of gravity automatically into garbage collection mechanism 20,
Complete the work of garbage collection.
It is above-mentioned it is found that lug is formed by way of cutting, thus will certainly exist because cutting at lug position on pole piece
The dust for cutting and generating, it is preferred that pole piece die-cutting device provided herein can also include dedusting mechanism 21, dedusting mechanism
May include hairbrush in 21, dedusting mechanism 21 can be arranged in the downstream of laser die cutting mechanism 14.
Specifically, the hairbrush in dedusting mechanism 21 can be mounted on to the mobile road of the pole piece with lug by mounting base
On diameter, in order to keep cleaning effect more preferable, hairbrush can be respectively provided in the upper and lower surface of pole piece；At the same time it can also which elastic component is arranged,
Elastic component can apply certain pressure to hairbrush, and then hairbrush is allow to apply certain pressure to pole piece, to promote dedusting
Cleaning effect.
In order to collect the pole piece machined, so as to the progress of following process work, it is preferred that the application is carried
The pole piece die-cutting device of confession can also include rolling-up mechanism 22, and rolling-up mechanism 22 is arranged in the downstream of dedusting mechanism 21, to pass through
The pole piece for being formed with lug is wound into pole piece material volume by rolling-up mechanism 22；Correspondingly, in order to adjust driving mechanism 15 and winder
The surface tension of pole piece between structure 22, pole piece die-cutting device provided herein are also provided with the second tension control machine
Structure 23, the second tension control mechanism 23 can be arranged between driving mechanism 15 and rolling-up mechanism 22.
Specifically, may include that wind-up roll and adjustable speed motor add under the drive of adjustable speed motor in rolling-up mechanism 22
Pole piece after the completion of work can be wound onto on wind-up roll；By the way that second is arranged between driving mechanism 15 and rolling-up mechanism 22
Power control mechanism 23 can adjust the tightness of pole piece；Meanwhile adjustable speed motor can also be with the second tension control mechanism 23
Between constitute feedback regulation mechanism, when the second tension control mechanism 23 detects the overtension of pole piece, adjustable speed motor drop
Low rotary speed；Opposite, when the second tension control mechanism 23 detects that the tension of pole piece is too small, adjustable speed motor can fit
When improve rotary speed, to ensure that rolling-up mechanism 22 can work normally, and will not because adjustable speed motor there are due to change
Movement speed of the pole piece under the drive of driving mechanism 15.
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field
For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of pole piece die-cutting device, which is characterized in that including：
Base material unreeling structure；
Foil unreeling structure；
Roll welding mechanism, the roll welding mechanism is arranged in the downstream of the base material unreeling structure and the foil unreeling structure, described
Roll welding mechanism is arranged to that the foil and the edge of the base material is made to connect；
Laser die cutting mechanism, the laser die cutting mechanism are arranged in the downstream of the roll welding mechanism, and the laser die cutting mechanism is set
The edge for being set to the base material to being connected with the foil is cut, to form lug.
2. pole piece die-cutting device according to claim 1, which is characterized in that the roll welding mechanism include the first welding rolls and
Second welding rolls, be formed between first welding rolls and second welding rolls for the base material and the foil by
Accommodating chamber,
At least one of first welding rolls and second welding rolls are discaling roll, and the discaling roll includes that shaft and setting exist
Multiple welding teeth in the shaft, circumferentially-spaced arrangement of each welding tooth in the shaft.
3. pole piece die-cutting device according to claim 2, which is characterized in that
Each welding tooth is uniformly arranged in the circumferential direction of the shaft.
4. pole piece die-cutting device according to claim 2, which is characterized in that the welding tooth includes multiple tooth blocks, each institute
Tooth block is stated to be intervally arranged in the axial direction of the shaft.
5. pole piece die-cutting device according to claim 4, which is characterized in that
Each tooth block is uniformly arranged in the axial direction of the shaft.
6. pole piece die-cutting device according to claim 2, which is characterized in that first welding rolls is the discaling roll, institute
It is smooth roll to state the second welding rolls, and the diameter of the shaft of the discaling roll is more than the diameter of the smooth roll.
7. pole piece die-cutting device according to claim 1, which is characterized in that the roll welding mechanism includes ultrasonic activation dress
It sets, the first welding rolls and the second welding rolls, is formed between first welding rolls and second welding rolls for the base material
With the foil by accommodating chamber, the ultrasonic vibration apparatus is arranged to make first welding rolls and second welding
At least one of roller vibrates.
8. pole piece die-cutting device according to claim 7, which is characterized in that first welding rolls and second welding
One of roller is support roller, and another one is vibrating roller, and the ultrasonic vibration apparatus is arranged to that the vibrating roller is made to vibrate.
9. pole piece die-cutting device according to claim 1, which is characterized in that the downstream setting of the laser die cutting mechanism is driven
Motivation structure, the driving mechanism is arranged to the base material after connection and the foil applies driving force, the laser die cutting
Mechanism is arranged close to the driving mechanism.
10. pole piece die-cutting device according to any one of claim 1 to 9, which is characterized in that further include dedusting mechanism,
The dedusting mechanism is arranged in the downstream of the laser die cutting mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820353225.9U CN207930183U (en) | 2018-03-15 | 2018-03-15 | Pole piece die-cutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820353225.9U CN207930183U (en) | 2018-03-15 | 2018-03-15 | Pole piece die-cutting device |
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| Publication Number | Publication Date |
|---|---|
| CN207930183U true CN207930183U (en) | 2018-10-02 |
Family
ID=63655216
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820353225.9U Active CN207930183U (en) | 2018-03-15 | 2018-03-15 | Pole piece die-cutting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110911646A (en) * | 2019-10-25 | 2020-03-24 | 合肥国轩高科动力能源有限公司 | Composite current collector roll welding and die cutting integrated equipment and roll welding and die cutting method |
| CN113889655A (en) * | 2021-09-29 | 2022-01-04 | 深圳吉阳智能科技有限公司 | Laser die cutting and marking integrated machine |
| CN116879173A (en) * | 2023-09-08 | 2023-10-13 | 宁德时代新能源科技股份有限公司 | Cathode plate detection system and method |
-
2018
- 2018-03-15 CN CN201820353225.9U patent/CN207930183U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110911646A (en) * | 2019-10-25 | 2020-03-24 | 合肥国轩高科动力能源有限公司 | Composite current collector roll welding and die cutting integrated equipment and roll welding and die cutting method |
| CN110911646B (en) * | 2019-10-25 | 2022-05-10 | 合肥国轩高科动力能源有限公司 | Composite current collector roll welding and die cutting integrated equipment and roll welding and die cutting method |
| CN113889655A (en) * | 2021-09-29 | 2022-01-04 | 深圳吉阳智能科技有限公司 | Laser die cutting and marking integrated machine |
| CN113889655B (en) * | 2021-09-29 | 2022-08-26 | 深圳吉阳智能科技有限公司 | Laser die cutting and marking integrated machine |
| CN116879173A (en) * | 2023-09-08 | 2023-10-13 | 宁德时代新能源科技股份有限公司 | Cathode plate detection system and method |
| CN116879173B (en) * | 2023-09-08 | 2024-02-02 | 宁德时代新能源科技股份有限公司 | Cathode plate detection system and method |
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