CN207954082U - Pole piece die-cutting device - Google Patents
Pole piece die-cutting device Download PDFInfo
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- CN207954082U CN207954082U CN201820353493.0U CN201820353493U CN207954082U CN 207954082 U CN207954082 U CN 207954082U CN 201820353493 U CN201820353493 U CN 201820353493U CN 207954082 U CN207954082 U CN 207954082U
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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
Abstract
This application involves energy storage device production technical field more particularly to a kind of pole piece die-cutting devices comprising at least one pole piece die-cutting apparatus, pole piece die-cutting apparatus include：Base material unreeling structure；Base material die cutting mechanism, for cutting pole piece base material to form lug；Foil unreeling structure；Foil cutting mechanism, for foil to be cut to foil section；Foil transfer mechanism, foil transfer mechanism are set to the downstream of foil cutting mechanism；Welding mechanism, welding mechanism are set to the downstream of base material die cutting mechanism, and welding mechanism has welding post；Rolling-up mechanism, rolling-up mechanism are set to the downstream of welding mechanism；Wherein, foil transfer mechanism is arranged to foil section being transferred to welding post, and welding mechanism is arranged to weld foil section and the lug positioned at welding post, and rolling-up mechanism is arranged to the pole piece after winding welding.The equipment can improve the connective stability of production efficiency and pole piece base material and foil, and can also improve the security performance of battery.
Description
Technical field
This application involves energy storage device production 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 pole piece base material connects by hand generally by worker
It forms, low production efficiency, and the connective stability of pole piece base material and foil is poor.
Utility model content
This application provides a kind of pole piece die-cutting devices, steady with the connection for improving production efficiency and pole piece base material and foil
It is qualitative.
Pole piece die-cutting device provided by the present application includes at least one pole piece die-cutting apparatus, the pole piece die-cutting apparatus packet
It includes：
Base material unreeling structure；
Base material die cutting mechanism, the base material die cutting mechanism are set to the downstream of the base material unreeling structure, the base material mould
Mechanism is cut for cutting pole piece base material to form lug；
Foil unreeling structure；
Foil cutting mechanism, the foil cutting mechanism are set to the downstream of the foil unreeling structure, and the foil is cut out
Shearing machine structure is used to foil being cut to foil section；
Foil transfer mechanism, the foil transfer mechanism are set to the downstream of the foil cutting mechanism；
Welding mechanism, the welding mechanism are set to the downstream of the base material die cutting mechanism, and the welding mechanism has weldering
Connect station；
Rolling-up mechanism, the rolling-up mechanism are set to the downstream of the welding mechanism；
Wherein, the foil transfer mechanism is arranged to the foil section being transferred to the welding post, the bonding machine
Structure is arranged to weld the foil section and the lug positioned at the welding post, and the rolling-up mechanism is arranged to winding welding
Pole piece afterwards.
Optionally, the foil transfer mechanism is additionally operable to the foil section doubling be stacking foil, the welding mechanism
It is arranged to weld the stacking foil and the lug positioned at the welding post.
Optionally, the foil transfer mechanism includes first part and the second part of rotation connection, the first part
Foil fixed part is all had with the second part, the foil fixed part of the two fixes the foil section jointly；
In the relative rotation stroke of the first part and the second part, the two applies doubling to the foil section
Power, so that the foil section doubling is the stacking foil.
Optionally, the foil fixed part is foil adsorption hole, the foil adsorption hole for being connected to negative pressure source, with to
The foil section applies adsorption capacity.
Optionally, the junction of the first part and the second part, the first part are far from described second
The side of side and the second part far from the first part divided is respectively provided with the foil adsorption hole.
Optionally, the rotation axis of the first part and the second part is axially parallel to the pole piece base material in institute
State the conveying direction at welding post.
Optionally, the pole piece die-cutting apparatus further includes haulage gear, and the haulage gear is set to the foil and unreels
Between mechanism and the foil cutting mechanism, the haulage gear is used to apply driving force to the foil, so that the foil
Mobile pre-determined distance, and positioned by the foil transfer mechanism.
Optionally, the haulage gear includes fixing clip and traction clamping jaw, the fixing clip and the traction clamping jaw
Interval setting, the traction clamping jaw are used to apply driving force to the foil, so that the foil moves pre-determined distance, it is described solid
Clamp block is for being clamped the foil after mobile pre-determined distance.
Optionally, the foil unreeling structure, the foil cutting mechanism, the foil transfer mechanism, the bonding machine
Structure and the haulage gear be disposed as it is multiple, and each foil unreeling structure, the foil cutting mechanism, the foil move
Mechanism, the welding mechanism and the haulage gear is sent to be respectively provided with into the opposite sides for being distributed in the pole piece base material.
Optionally, the pole piece die-cutting apparatus is set as multiple, and each pole piece die-cutting apparatus is relatively independent and interval is arranged
Cloth, to form multiple die cutting working positions.
Technical solution provided by the present application can reach following advantageous effect：
In pole piece die-cutting device provided herein, pole piece base material is by reaching base material die-cutting machine after base material unreeling structure
Structure then forms lug, continues to welding mechanism later, foil is then by reaching foil cutter after foil unreeling structure
Structure then forms foil section, which is transferred to by foil transfer mechanism at welding mechanism, and welding mechanism will reach its welding
The lug of pole piece base material at station is welded together with foil section, forms the pole piece with foil, the pole piece is by rolling-up mechanism
Winding.The pole piece die-cutting device can replace currently used manual operation to realize the welding of lug and foil, not only can be with
Worker's amount of labour is reduced, improves production efficiency, and also ensure the connective stability of pole piece base material and foil.
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 structural schematic diagram for the pole piece die-cutting device that Fig. 1 is provided by the embodiment of the present application；
The schematic diagram of the part-structure for the pole piece die-cutting device that Fig. 2 is provided by the embodiment of the present application；
The schematic diagram of the part-structure for the pole piece die-cutting device that Fig. 3 is provided by another embodiment of the application；
The structural schematic diagram for the pole piece that Fig. 4 is process for the pole piece die-cutting device that is provided using the embodiment of the present application.
Reference numeral：
110- base material unreeling structures；
120- base material die cutting mechanisms；
130- foil unreeling structures；
140- foil cutting mechanisms；
141- pedestals；
142- shearing knifes；
143- mounting plates；
144- driving cylinders；
145- guide sleeves；
150- foil transfer mechanisms；
151- first parts；
152- second parts；
150a- foil fixed parts；
153- transfers pawl；
154- transfers cylinder；
155- gas-tpe fittings；
160- welding mechanisms；
170- rolling-up mechanisms；
180- haulage gears；
181- fixing clips；
182- draws clamping jaw；
200- help rolls；
210- deviation correction mechanisms；
220- unwinding tension regulating mechanisms；
230- winding tension regulating mechanisms；
240- foil unwinding tension regulating mechanisms；
Deviation correction mechanism before 250- welding；
260- material receivings；
270- unreels buffer roll；
280- winds buffer roll；
290- home rolls；
310- pole piece base materials；
311- collectors；
312- active material layers；
313- lugs；
320- 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 security performance of battery, that is to say, that for making electricity
It is needed on the lug of the pole piece in pond with foil so that the resistance smaller of the connecting portion of pole piece base material and foil, overcurrent herein
Ability is stronger, and the heat that battery generates when working is lower, improves the security performance of battery with this.It should be noted that the foil
For very thin sheet metal or band, 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 Figs 1-4, the application is implemented
Example provides a kind of pole piece die-cutting device, which includes at least one pole piece die-cutting apparatus, pole piece cross cutting dress
It sets and is moved including base material unreeling structure 110, base material die cutting mechanism 120, foil unreeling structure 130, foil cutting mechanism 140, foil
Send mechanism 150, welding mechanism 160 and rolling-up mechanism 170.
For base material unreeling structure 110 for unreeling pole piece base material 310, which can be the initial configuration of pole piece,
In, which may include collector 311 and coated in the active material layer 312 on collector 311, need to illustrate
It is that in the width direction (Y-direction as shown in Figure 4) of pole piece base material 310, an at least edge for collector 311 is not coated with
Active material layer is covered, in order to make lug 313, that is to say, that the edge of the pole piece base material 310 is for being die cut out lug 313.
Foil unreeling structure 130 is for unreeling foil 320, which can be aluminium foil, foil made of copper foil or other materials
Material.
Base material die cutting mechanism 120 is used to be set to the downstream of base material unreeling structure 110, which is used for
Pole piece base material 310 is cut to form lug 313, pole piece base material 310 here is unreeled by base material unreeling structure 110.Specifically, base
The mode that laser die cutting may be used in material die cutting mechanism 120 is cut into required lug 313.
Foil cutting mechanism 140 is set to the downstream of foil unreeling structure 130, which is used for foil
Material 320 is cut to foil section, and foil 320 here is unreeled by foil unreeling structure 130.Specifically, foil cutting mechanism 140 can
Including pedestal 141, the shearing knife 142 opposite with the pedestal 141, the mounting plate 143 for installing the shearing knife 142 and to be installed on this
Driving cylinder 144 on mounting plate 143, under the driving of driving cylinder 144, shearing knife 142 is close to pedestal 141, due between the two
There are foils 320, therefore under the cooperation of shearing knife 142 and pedestal 141, and shearing knife 142 applies active force to foil 320, from
And cut the foil 320.Furthermore it is also possible to which guide sleeve 145 is arranged, guiding is provided to the movement of shearing knife 142 with this.
Foil transfer mechanism 150 is set to the downstream of foil cutting mechanism 140, which can move
Foil section above-mentioned so that foil section reaches specified location.Specifically, which may include transfer pawl
153 and transfer cylinder 154, transfer cylinder 154 can be cylinder, to transfer pawl 153 provide driving force so that transfer pawl 153 realize
The clamping of foil section.
Welding mechanism 160 is set to the downstream of base material die cutting mechanism 120, and the welding mechanism 160 has welding post.Through
The pole piece base material 310 for crossing cross cutting is transferred at the welding post, while foil section is transferred to the weldering by foil transfer mechanism 150
Station is connect, welding mechanism 160 can be welded further the lug of foil section and pole piece base material 310, and being formed has foil at lug
Pole piece.Welding mechanism 160 specifically may be used ultrasonic welding institution, in the present embodiment, due to pole piece base material 310 and foil
320 is relatively thin, can avoid the case where the two melts completely using ultrasonic bonding, to can guarantee that the two is steadily welded on one
It rises.And after being welded using such mode, the good conductivity of pole piece base material 310 and foil 320, resistance coefficient is extremely low or is almost
Zero, to reduce the resistance of finally formed lug, improve the electrical property of battery.In addition, ultrasonic bonding mode is without fire
Flower, Environmental Safety.
Rolling-up mechanism 170 is set to the downstream of welding mechanism 160, the pole piece being arranged to after winding welding.
In a kind of specific embodiment, above-mentioned base material unreeling structure 110, foil unreeling structure 130 and rolling-up mechanism 170
To include air-expanding shaft and driving motor, corresponding pole piece base material 310 or foil 320 are wound on air-expanding shaft, driving motor can band
The shaft rotation that rises of taking offence is dynamic, and corresponding operation or wind-up operation are unreeled to realize.Certainly, base material unreeling structure 110, foil unreeling machine
Structure 130 and rolling-up mechanism 170 can also realize winding, release and the receipts of pole piece base material 310 and foil 320 using other structures
Volume.
In addition, for the ease of the accurate processing of pole piece, above-mentioned pole piece die-cutting apparatus further includes help roll 200, deviation correction mechanism
210, it is entangled before unwinding tension regulating mechanism 220, winding tension regulating mechanism 230, foil unwinding tension regulating mechanism 240, welding
Inclined mechanism 250 and positioning inductor (not shown), wherein：Help roll 200 could be provided as multiple, can adjust pole piece
The direction that base material 310 transmits；Deviation correction mechanism 210 is for realizing unreeling pole piece base material 310 or winding pole piece base material 310 and foil
Deflection correction sensor specifically may be used in correction when 320, the deviation correction mechanism 210；Unwinding tension regulating mechanism 220 is put for adjusting
Tension when pole piece base material 310 is rolled up, speed is unreeled to adjust；Accordingly, when winding tension regulating mechanism 230 is for adjusting winding
Tension can be specifically set between welding mechanism 160 and rolling-up mechanism 170 with adjusting rolling speed；Foil, which unreels, to be opened
Power regulating mechanism 240 is used to adjust tension when unreeling foil 320, and speed is unreeled to adjust；Deviation correction mechanism 250 is used for before welding
Realize the correction before welding, to ensure welding precision, deflection correction sensor specifically may be used in deviation correction mechanism 250 before the welding；It is fixed
Position inductor can send out deceleration and stop two groups of induction photosignals, when pole piece base material 310 lug reach first position and
When being sensed by positioning inductor, positioning inductor sends out reduce-speed sign so that and pole piece base material 310 unreels speed reduction, when
When the lug of pole piece base material 310 reaches the second position and sensed by positioning inductor, positioning inductor sends out stop signal, makes
310 stop motion of pole piece base material is obtained, and then is located at welding post.Unwinding tension regulating mechanism 220, winding tension adjust machine
Dance roller may be used in structure 230 and foil unwinding tension regulating mechanism 240.
Further, for the ease of the replacement of material volume, material receiving 260 can also be set, which can lead to
It crosses briquetting to press the end of current material volume and replace the head end of material volume, is then secured together the two by way of bonding.
In addition, pre- material stock when for the ease of unreeling and wind, can also be arranged and unreel buffer roll 270 and winding buffer roll 280, unreel
Buffer roll 270 is set to the upstream of base material die cutting mechanism 120, and winding buffer roll 280 is set to the downstream of welding mechanism 160.Weldering
Home roll 290 can also be arranged in the downstream of connection mechanism 160, which can apply tractive force to the pole piece after welding, in order to
Winding.
In the pole piece die-cutting device that the embodiment of the present application is provided, pole piece base material 310 after base material unreeling structure 110 by arriving
Up to base material die cutting mechanism 120, lug 313 is then formed, continues to welding mechanism 160 later, foil 320 is then put by foil
Foil cutting mechanism 140 is reached after rolling up mechanism 130, then forms foil section, which is transferred to by foil transfer mechanism 150
At welding mechanism 160, welding mechanism 160 welds the lug 313 for reaching the pole piece base material 310 at its welding post with foil section
To together, the pole piece with foil is formed, which is wound by rolling-up mechanism 170.The pole piece die-cutting device can replace current
Used manual operation realizes the welding of lug 313 and foil 320, can not only reduce worker's amount of labour, improves production effect
Rate, and also ensure the connective stability of pole piece base material 310 and foil 320.
On the thickness direction of pole piece, lug 313 has opposite both sides, is formed through the cutting of foil cutting mechanism 140
Foil section be usually individual layer laminated structure, if only needing the one side weld foil material in lug 313, foil transfer mechanism
Aforementioned foil section directly can be transferred to welding post by 150, and foil is welded if necessary to the opposite sides in lug 313,
It so just needs to implement doubling operation to foil section so that the foil section being welded on lug 313 is in doubled state, at this point, foil
Two layers of side of material section is connected, and the other side is welded together with lug 313, this substantially v-shaped structure of foil section.For reality
Existing this purpose, foil transfer mechanism 150 provided by the embodiments of the present application are additionally operable to foil section doubling be stacking foil, welding
Mechanism 160 is arranged to weld the stacking foil and the lug 313 positioned at welding post.Compared to the unilateral lug with foil,
Foil is welded in the both sides of lug 313 so that the resistance smaller of pole piece base material 310 and the connecting portion of foil 320, therefore,
The junction of the two has stronger conveyance capacity, to improve the electrical property of battery.
In a kind of optional embodiment, as shown in figure 3, above-mentioned foil transfer mechanism 150 includes first of rotation connection
Points 151 and second part 152, the first part 151 and second part 152 all have foil fixed part 150a, the foil of the two
Fixed part 150a fixes aforementioned foil section jointly.In the relative rotation stroke of first part 151 and second part 152, the two
Apply doubling power to foil section, so that foil section doubling is stacking foil.Specifically, foil section is placed on first part
151 and second part 152 on after, the two pass through respective foil fixed part 150a fix foil section so that the foil section nothing
Method is moved relative to first part 151 and second part 152；Then first part 151 and opposite turn of second part 152 are driven
Dynamic, since foil section can not be moved relative to first part 151 and second part 152, foil section corresponds respectively to first
Two parts of part 151 and second part 152 can also relatively rotate therewith, until doubling occurs for this two parts.Using this
When kind structure, foil transfer mechanism 150 can be realized simultaneously the transfer and doubling of foil section, without increasing additional doubling knot
Structure, therefore the foil transfer mechanism 150 can simplify the structure of entire pole piece die-cutting device.
The case where causing foil to be damaged when foil transfer mechanism 150 fixes foil section in order to prevent, above-mentioned first part
The 151 and foil fixed part 150a of second part 152 can be foil adsorption hole, and the foil adsorption hole is for passing through gas-tpe fitting
155 are connected to negative pressure source, to apply adsorption capacity to foil section.When fixing foil section by the way of absorption, it is only necessary to foil section
Unilateral side contacted, and adsorption capacity can control more accurate, and foregoing purpose is realized with this.
Above-mentioned foil adsorption hole can be arranged at the middle part of first part 151 and second part 152, but such structure can
It can will appear and can not be reliably fixed at the collapsed position of foil section, and cause the structure of finally formed stacking foil inaccurate
Really.For this purpose, can be in the junction of first part 151 and second part 152, first part 151 one far from second part 152
The side of side and second part 152 far from first part 151 is respectively provided with foil adsorption hole above-mentioned so that foil section it is opposite
It is reliably fixed at edge and collapsed position, prevents afore-mentioned.
In a kind of optional embodiment, the rotation axis of first part 151 and second part 152 is axially parallel to pole piece base
Conveying direction of the material 310 at welding post.Due to turn of the broken line and first part 151 and second part 152 of foil section
After the axial direction of moving axis is parallel, therefore foil section is folded in half, need not be turned to the foil section after doubling can be direct
It is transported to welding post so that the transfer of foil section is simpler.
In further embodiment, for the ease of the transfer of foil, haulage gear 180 can also be set, the haulage gear
180 are set between foil unreeling structure 130 and foil cutting mechanism 140, and haulage gear 180 is used to apply to foil 320 and drive
Power so that foil 320 moves pre-determined distance, and is positioned by foil transfer mechanism 150.
Above-mentioned haulage gear 180 in another embodiment, can be led there are many kinds of structure type for example, by using carry-over pinch rolls
It may include fixing clip 181 and traction clamping jaw 182 to draw mechanism 180, both can apply chucking power to foil.Fixing clip
181 and traction clamping jaw 182 interval setting, traction clamping jaw 182 be used for foil 320 apply driving force so that foil 320 move it is pre-
If distance, fixing clip 181 is for being clamped the stacking foil after mobile pre-determined distance.Foil unreeling structure 130 unreels foil 320
Afterwards, foil 320 is driven to move pre-determined distance by drawing clamping jaw 182 first so that foil 320 is determined by foil transfer mechanism 150
Position, then foil 320 is clamped in fixing clip 181, while drawing clamping jaw 182 and being detached with foil 320, can pass through foil later
Cutting mechanism 140 realizes cutting for foil 320, and the foil section after cutting is positioned by foil transfer mechanism 150, and then is convenient for
Subsequent transfer.Obviously, such haulage gear 180 can efficiently realize the traction of foil 320, while foil can be utilized to move
The cutting work for sending mechanism 150 to complete foil 320 so that entire die cutting process is more smooth.
When foil unreeling structure 130, foil cutting mechanism 140, foil transfer mechanism 150, welding mechanism 160 and dragger
When structure 180 is disposed as one, which can be adapted for only carrying out pole piece along the side in local width direction
The operation of foil welding just needs if to carry out foil welding along the both sides in local width direction to pole piece to this
Both sides welded by side, cause the cross cutting processing efficiency of pole piece relatively low.In view of this, can be by foil unreeling structure 130, foil
Material cutting mechanism 140, foil transfer mechanism 150, welding mechanism 160 and haulage gear 180 are disposed as multiple, and each foil is put
Volume mechanism 130, foil cutting mechanism 140, foil transfer mechanism 150, welding mechanism 160 and haulage gear 180 are arranged to be distributed
In the opposite sides of pole piece base material 310.At this point, the aforementioned each mechanism being distributed by the opposite sides of pole piece base material 310, so that it may
To realize the processing of the opposite sides of pole piece base material 310 simultaneously, convenient for promoting processing efficiency.
The structure of pole piece die-cutting apparatus is described above, which could be provided as one, also may be used
To be set as multiple, when pole piece die-cutting apparatus is set as multiple, each pole piece die-cutting apparatus is relatively independent and is intervally arranged, with shape
At multiple die cutting working positions.At these die cutting working positions, the relevant operation of different pole pieces, and then room for promotion can be implemented simultaneously
Utilization rate, and improve the processing efficiency of pole piece.
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 at least one pole piece die-cutting apparatus, the pole piece die-cutting apparatus packet
It includes：
Base material unreeling structure；
Base material die cutting mechanism, the base material die cutting mechanism are set to the downstream of the base material unreeling structure, the base material die-cutting machine
Structure is for cutting pole piece base material to form lug；
Foil unreeling structure；
Foil cutting mechanism, the foil cutting mechanism are set to the downstream of the foil unreeling structure, the foil cutter
Structure is used to foil being cut to foil section；
Foil transfer mechanism, the foil transfer mechanism are set to the downstream of the foil cutting mechanism；
Welding mechanism, the welding mechanism are set to the downstream of the base material die cutting mechanism, and the welding mechanism has Welder
Position；
Rolling-up mechanism, the rolling-up mechanism are set to the downstream of the welding mechanism；
Wherein, the foil transfer mechanism is arranged to the foil section being transferred to the welding post, and the welding mechanism is set
It is set to the welding foil section and the lug positioned at the welding post, after the rolling-up mechanism is arranged to winding welding
Pole piece.
2. pole piece die-cutting device according to claim 1, which is characterized in that the foil transfer mechanism is additionally operable to will be described
Foil section doubling is stacking foil, and the welding mechanism is arranged to weld the stacking foil and the institute positioned at the welding post
State lug.
3. pole piece die-cutting device according to claim 2, which is characterized in that the foil transfer mechanism includes rotation connection
First part and second part, the first part and the second part all have foil fixed part, the foil of the two
Material fixed part fixes the foil section jointly；
In the relative rotation stroke of the first part and the second part, the two applies doubling power to the foil section,
So that the foil section doubling is the stacking foil.
4. pole piece die-cutting device according to claim 3, which is characterized in that the foil fixed part is foil adsorption hole,
The foil adsorption hole with negative pressure source for being connected to, to apply adsorption capacity to the foil section.
5. pole piece die-cutting device according to claim 4, which is characterized in that the first part and the second part
Junction, the first part side and the second part far from the second part far from the first part one
Side is respectively provided with the foil adsorption hole.
6. pole piece die-cutting device according to claim 3, which is characterized in that the first part and the second part
Rotation axis is axially parallel to conveying direction of the pole piece base material at the welding post.
7. pole piece die-cutting device according to claim 1, which is characterized in that the pole piece die-cutting apparatus further includes dragger
Structure, the haulage gear are set between the foil unreeling structure and the foil cutting mechanism, and the haulage gear is used for
Apply driving force to the foil, so that the foil moves pre-determined distance, and is positioned by the foil transfer mechanism.
8. pole piece die-cutting device according to claim 7, which is characterized in that the haulage gear includes fixing clip and leads
Draw clamping jaw, the fixing clip and traction clamping jaw interval setting, the traction clamping jaw is used to apply to the foil and drive
Power, so that the foil moves pre-determined distance, the fixing clip is for being clamped the foil after mobile pre-determined distance.
9. pole piece die-cutting device according to claim 7, which is characterized in that the foil unreeling structure, the foil are cut out
Shearing machine structure, the foil transfer mechanism, the welding mechanism and the haulage gear are disposed as multiple, and each foil is put
Volume mechanism, the foil cutting mechanism, the foil transfer mechanism, the welding mechanism and the haulage gear are respectively provided with ingredient
It is distributed in the opposite sides of the pole piece base material.
10. pole piece die-cutting device according to claim 1, which is characterized in that the pole piece die-cutting apparatus is set as multiple,
Each pole piece die-cutting apparatus is relatively independent and is intervally arranged, to form multiple die cutting working positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820353493.0U CN207954082U (en) | 2018-03-15 | 2018-03-15 | Pole piece die-cutting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820353493.0U CN207954082U (en) | 2018-03-15 | 2018-03-15 | Pole piece die-cutting device |
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| CN207954082U true CN207954082U (en) | 2018-10-12 |
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| CN110814539A (en) * | 2019-12-03 | 2020-02-21 | 广东海中新能源设备股份有限公司 | Method and device for manufacturing battery pole piece by laser embedded cutting |
| CN110871233A (en) * | 2019-11-26 | 2020-03-10 | 吴秋英 | Die-cutting machine for carrying out double-sided indentation on coil stock |
| 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 |
| CN111482701A (en) * | 2020-03-25 | 2020-08-04 | 大族激光科技产业集团股份有限公司 | Automatic welding device |
| CN111761364A (en) * | 2020-06-18 | 2020-10-13 | 合肥国轩高科动力能源有限公司 | Die cutting and welding equipment and method for intermittent coating type pole piece |
| CN114715700A (en) * | 2022-03-16 | 2022-07-08 | 绵阳高新区资江电子元件有限公司 | Foil production equipment with automatic discharging foil strip adding function |
| CN114715700B (en) * | 2022-03-16 | 2024-04-26 | 绵阳高新区资江电子元件有限公司 | Foil production equipment with automatic foil strip feeding and discharging function |
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2018
- 2018-03-15 CN CN201820353493.0U patent/CN207954082U/en active Active
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