CN110165307A - A kind of winding mechanism - Google Patents
A kind of winding mechanism Download PDFInfo
- Publication number
- CN110165307A CN110165307A CN201910532436.8A CN201910532436A CN110165307A CN 110165307 A CN110165307 A CN 110165307A CN 201910532436 A CN201910532436 A CN 201910532436A CN 110165307 A CN110165307 A CN 110165307A
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- Prior art keywords
- movable part
- volume needle
- winding mechanism
- guide post
- deck
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- 238000004804 winding Methods 0.000 title claims abstract description 76
- 230000007246 mechanism Effects 0.000 title claims abstract description 61
- 239000000758 substrate Substances 0.000 claims abstract description 33
- 230000002093 peripheral effect Effects 0.000 claims abstract description 25
- 239000007787 solid Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 239000011162 core material Substances 0.000 description 44
- 230000000694 effects Effects 0.000 description 13
- 238000005096 rolling process Methods 0.000 description 13
- 230000004308 accommodation Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The present invention relates to a kind of winding mechanism, which includes: at least one volume needle group, and volume needle stand, is connect with one end of volume needle group；Wherein, volume needle is equipped with movable part, and movable part is flexibly connected along first direction with volume needle, and can be moved back and forth between the first location and the second location.The present invention is by the movable part being flexibly connected along first direction setting with volume needle on volume needle, and when winding mechanism is in winding, moving part is in first position, and it is circular outer peripheral surface that outer profile, which is collectively formed, in volume needle, for substrate winding；When winding mechanism is when the battery core completed to winding is flattened, moving part is in the second position, so that the shape that the battery core after flattening relatively easily is kept fixed.The present invention can to avoid volume needle occur in drawn needle innermost layer diaphragm take away, scrunch the problems such as, to ensure that the quality of battery core.
Description
Technical field
The present invention relates to lithium battery manufacturing field more particularly to a kind of winding mechanisms.
Background technique
The core of lithium ion battery is generally wound into a roll by substrate by rolling up needle, is finally attached terminal adhesive tape and is formed.Wherein,
Substrate includes positive plate, the first diaphragm, negative electrode tab and the second diaphragm.
In winding mechanism, rolling step is that banding substrate is wound into battery core by winding mechanism.Volume is completed in volume needle
Around and during detaching, be easy to appear volume needle innermost layer diaphragm in battery core inner cavity is taken away, scrunch the problems such as, influence battery core product
Matter, in some instances it may even be possible to battery core be caused to scrap.
Summary of the invention
The object of the present invention is to provide a kind of winding mechanisms, can protect after carrying out flattening processing to the battery core after winding
The state of flattening is held, so that the anode ring forming after flattening is relatively stable, thus when volume needle being avoided to detach, to the shadow of battery core quality
It rings.
In order to solve the above technical problems, the solution that the present invention uses is:
A kind of winding mechanism, for being wound to substrate, to form battery core, comprising: at least one volume needle group, every a roll
Needle group includes two volume needles being oppositely arranged, for clamping substrate；And volume needle stand, it is connect with one end of volume needle group, rolls up needle stand
For driving volume needle group to be rotated, by substrate on the outer peripheral surface of volume needle after volume needle group clamping substrate；Wherein,
It rolls up needle and is equipped with movable part, movable part is flexibly connected along first direction with volume needle, and can be between the first location and the second location
It moves back and forth；Wherein, Pivot axle of the first position compared with the second position far from volume needle group；When volume needle group when being wound,
Moving part is in first position, so that it is circular periphery that outer profile, which is collectively formed, in the outer peripheral surface of the outer peripheral surface of movable part and volume needle
Face；When rolling up needle group completion winding and carrying out blanking, moving part is formed in the second position with flattening to battery core.
In one embodiment of this invention, winding mechanism includes fixation kit, fixation kit be set to volume needle and movable part it
Between, for when the second position, volume needle to be fixed with movable part in moving part.
In one embodiment of this invention, fixation kit includes: its of mutually matched grab and deck, grab and deck
In one be set to movable part relative volume needle side, another slide in a second direction be set to roll up needle with respect to movable part side,
Deck is equipped with the blocked hole cooperated with grab；Wherein, when moving part is when the second position, deck drives blocked hole along second
Direction is mobile close to grab, so that grab is clamped with blocked hole.
In one embodiment of this invention, fixation kit further comprises: block, set on the side of deck；First driving
Part is set between block and deck in a second direction, and the first actuator is used to drive deck in moving part when the second position
It is moved close to grab；Limited block, set on the other side of deck；And mandril, mandril is arranged in limited block, and connect with deck；
Wherein, in volume needle group complete to wind and after flattening battery core, mandril for driving deck mobile far from grab direction so that grab from
Deviate from blocked hole.
In one embodiment of this invention, winding mechanism includes the first guiding mechanism, and the first guiding mechanism and movable part connect
It connects, and is moved for boot activity portion along first direction.
In one embodiment of this invention, the first guiding mechanism includes: the first guide post, is erected on volume needle along first direction
On, and be located between volume needle stand and movable part；Link block is sheathed on the first guide post, and is connect with one end of movable part, with band
Dynamic movable part is moved along first direction；And second actuator, it is set between movable part and volume needle along first direction；Second driving
Part is used for after movable part flattens battery core in the second position, and driving movable part is mobile towards first position.
In one embodiment of this invention, the first guiding mechanism further comprises the first guide post fixed block, and the first guide post is solid
Determine the one end of block set on the first guide post far from volume needle；First guide post fixed block is for limiting movement of the link block on the first guide post
Distance, so that volume needle group is when being wound, the moving part connecting with link block is in first position.
In one embodiment of this invention, winding mechanism includes the first support component, and the first support component is in a second direction
It is flexibly connected with volume needle stand, for when first position, supporting one end of movable part in moving part.
In one embodiment of this invention, the first support component includes: the first roller mount, is sheathed on volume needle in a second direction
The outside of seat；And first idler wheel, it is set in the first roller mount, for supporting the one of movable part when rolling up needle group and being wound
End.
In one embodiment of this invention, winding mechanism further comprises the second guidance set, the second guidance set and
One support component connection, for guiding the first support component to move in a second direction.
In one embodiment of this invention, the second guidance set includes: guide post mounting plate, is set on volume needle stand；Second leads
Column is erected in a second direction on guide post mounting plate；And driving plate, it is sheathed on the second guide post, and the first roller mount connects,
To drive the first idler wheel being set in the first roller mount in a second direction close to or far from movable part.
In one embodiment of this invention, the second guidance set further comprises: the second guide post fixed block is led set on second
The one end of column far from guide post mounting plate, second causes fixed block for limiting moving distance of the driving plate on the second guide post；With
And third actuator, it is sheathed on the second guide post, and between driving plate and the second guide post fixed block；Third actuator is used for
After the first roller supporting movable part completes winding, driving driving plate is mobile far from movable part.
In one embodiment of this invention, winding mechanism further comprises the second support component, and the second support component is along
Two directions are flexibly connected with the other end of movable part, for when first position, supporting the other end of movable part in moving part.
In one embodiment of this invention, the second support component includes the second roller mount and in the second roller mount
Second idler wheel, the second idler wheel are used for when volume needle group is wound, the other end that is close and supporting movable part.
The beneficial effects of the present invention are: being different from the prior art, the invention proposes a kind of winding mechanism, the winding mechanisms
By being arranged along first direction on volume needle and rolling up the movable part that is flexibly connected of needle, when winding mechanism is when winding, moving part
In first position, and it is circular outer peripheral surface that outer profile, which is collectively formed, in volume needle, for substrate winding；When winding mechanism is to winding
When the battery core of completion is flattened, moving part is in the second position, so that the battery core after flattening relatively easily was kept fixed
Shape.The present invention can to avoid volume needle occur in drawn needle innermost layer diaphragm take away, scrunch the problems such as, to ensure that battery core
Quality.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure of the winding mechanism in the present invention；
Fig. 2 is the structural schematic diagram in a direction of the winding mechanism in the present invention；
Fig. 3 is the structural schematic diagram in the another direction of the winding mechanism in the present invention；
Fig. 4 is the structural schematic diagram in another direction of the winding mechanism in the present invention.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
It is worth noting that, direction terms mentioned in the present invention, for example, "upper", "lower", "front", "rear", " left side ",
" right side ", "inner", "outside", " side " etc. are only the directions with reference to annexed drawings, therefore, the direction term used be in order to it is more preferable,
Be illustrated more clearly that and understand the present invention, rather than indicate or imply signified device or element must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
Referring to Fig. 1, Fig. 1 is a kind of the schematic diagram of the section structure of winding mechanism 100 proposed by the present invention.In the present embodiment
In, winding mechanism 100, to form battery core, can specifically include at least one volume for being wound to substrate (not shown)
Needle group 120 and volume needle stand 110.Wherein, one end setting of needle group 120 is rolled up on volume needle stand 110, and volume needle stand 110 is used in volume needle
After 120 clamping substrate of group, under the driving of external impetus, volume needle group 120 is driven to be rotated, by substrate wound on volume needle group
On 120 outer peripheral surface.
Specifically, every a roll of needle group 120 in the present embodiment may include two volume needles 121 being oppositely arranged, for pressing from both sides
Hold substrate.It rolls up needle 121 and is equipped with movable part 122, movable part 122 is flexibly connected with volume needle 121 in a first direction, and first
It is moved back and forth between position and the second position；Pivot axle of the first position compared with the second position far from volume needle group 120.Wherein,
When volume needle group 120 is wound substrate, when movable part 122 is located at first position, the outer peripheral surface and volume needle group of movable part 122
It is circular outer peripheral surface that outer profile, which is collectively formed, in 120 outer peripheral surface；When rolling up the completion of needle group 120 winding and carrying out blanking, activity
When portion 122 is located at the second position, battery core is flattened and is formed.
By the above-mentioned means, the winding mechanism 100 in the present embodiment can be when needing to carry out blanking to battery core, setting exists
Movable part 122 on volume needle 121 is moved to the second position from first position by applied external force, thus the electricity completed to winding
Core carries out flattening processing；And the shape that the battery core after flattening can be relatively easily kept fixed, it avoids in drawn needle in appearance
Layer diaphragm take away, scrunch the problems such as, to ensure that the quality of battery core.
It optionally, is a direction structure schematic diagram of winding mechanism in the present embodiment incorporated by reference to Fig. 1 and refering to Fig. 3, Fig. 3.
Volume needle group 120 in the present embodiment is only one group, then rolling up 121 quantity of needle is two, is oppositely arranged two volume 121 semicirculars in shape of needle
Setting, to form outer profile as circular outer peripheral surface, so that forming circular electric after substrate is wound on volume 120 outer peripheral surface of needle group
Core.It is to be appreciated that those skilled in the art can adjust the quantity of volume needle group 120 according to the actual situation.For example, at other
In embodiment, volume needle group 120 can be two groups, then the outer peripheral surface for two volume needles 121 being oppositely arranged is 1/4 disc.
It is arranged symmetrically by two volume needles 121 in this present embodiment, and the structure being arranged on two volume needles 121 is complete
It is identical, therefore, only done with the specific structural features of side volume needle 121 for example, but having no effect on the present invention in the present embodiment
The implementation of middle winding mechanism 100.
Based on this, please continue to refer to Fig. 1, in order to realize that movable part 122 is flexibly connected with volume needle 121 along first direction, this
Winding mechanism 100 in embodiment further comprises the first guidance set 140, and the first guidance set 140 connects with movable part 122
It connects, is moved for boot activity portion 122 along first direction.
Optionally, the first guidance set 140 includes the first guide post 141, link block 142 and the second actuator 143.First leads
Column 141 erects on volume needle 121 along first direction；Link block 142 is set on the first guide post 141, and one with movable part 122
End connection, to drive movable part 122 and be moved between the first position and the second position along first direction；Second actuator 143
Along first direction setting between movable part 122 and volume needle 121.Wherein, when first direction can wind for substrate, battery core is formed
Thickness direction.
It can be by the way that accommodation groove 123 be arranged, so that movable part 122 is located at the accommodating by volume needle 121 in this present embodiment
In slot 123, and movable part 122 moves back and forth between the first location and the second location along first direction.Therefore, the first guiding group
Part 140 can be set in the bottom 1231 of the accommodation groove 123 of volume needle 121.Certainly, in other embodiments, accommodation groove 123 may be used also
The through-hole along first direction perforation is thought, at this point, the installation in order to realize the first guidance set 140, needs at 123 bottom of accommodation groove
Fixed plate is arranged in portion 1231.That is, the bottom 1231 of accommodation groove 123 can be replaced by the way that fixed plate is arranged in the present embodiment
Generation.
Specifically, the setting of the first guide post 141 is between volume needle stand 110 and movable part 122.The setting of second actuator 143 exists
Between movable part 122 and the bottom 1231 of accommodation groove 123 for rolling up needle 121.Second actuator 143 is used in movable part 122 and the
After battery core is flattened in two positions, driving movable part 122 moves to first position from the second position.
The quantity of the first guide post 141 of each 121 side of volume needle can be four in the present embodiment, to prevent link block
142 the case where being shaken in moving process；Second actuator 143 can be spring, and quantity can be done according to the actual situation
It is adaptively adjusted, with gentle support movable part 122.
When the second actuator 143 is spring, the second actuator 143 can also be set on the first guide post in compression shape
On 141.In addition, the second actuator 143 can also be the driving elements such as telescopic cylinder.In addition, in other embodiments, link block
142 can also be integrally formed with movable part 122, i.e., movable part 122 can be opened up through-hole with itself and is set on the first guide post
141.It is to be appreciated that those skilled in the art can choose the type of the second actuator 143 according to the actual situation, and to
The structure of one guidance set 140 is adaptively adjusted, and does not further limit herein.
For example, in one embodiment, the first guidance set 140 can also be realized by the way of screw rod transmission.Specifically,
First guide post 141 is screw rod in first guidance set 140, and link block 142 is equipped with the screw thread cooperated with screw rod, the second actuator
143 be the driving motor that 141 one end of the first guide post is arranged in.Second actuator 143 can drive the first guide post 141 to rotate, into
And made by way of screw-driven be located at the first guide post 141 on link block 142 drive movable part 122 first position with
It is moved between the second position.Optionally, between link block 142 and the first guide post 141, it is additionally provided with the first guide sleeve 144, first leads
Set 144 is directly slided for substituting link block 142 with the first guide post 141, can reduce link block 142 and the first guide post
Frictional dissipation between 141.
Further, since the second actuator 143 is to the active force of movable part 122, movable part 122 has far from volume needle 121
Mobile trend, therefore, the first guidance set 140 in the present embodiment further include the first guide post fixed block 145.Wherein, first
First one end of guide post 141 far from volume needle 121 is arranged in guide post fixed block 145, and the first guide post fixed block 145 can be used for limiting
Moving distance of the link block 142 on the first guide post 141.
In the present embodiment can by adjusting setting position of the first guide post fixed block 145 on the first guide post 141 so that
For movable part 122 when being located at first position, it is circular outer peripheral surface that outer profile just, which is collectively formed, with the outer peripheral surface of volume needle 121.
Specifically, for volume needle group 120 when being wound, link block 142 can abut 141 limited block 185 of the first guide post, movable part 122
In first position active force by the second actuator 143 and the first guide post fixed block 145 simultaneously so that movable part 122 outside
It is circular outer peripheral surface that outer profile, which is collectively formed, in the outer peripheral surface of circumferential surface and volume needle 121.
Further, incorporated by reference to Fig. 1 and referring to Fig.2, the structure that Fig. 2 is a direction of the winding mechanism 100 in the present invention is shown
It is intended to.It is flexibly connected by movable part 122 in this present embodiment with volume needle 121, it is contemplated that when being wound, substrate can be in work
It is wound on the excircle that dynamic portion 122 and volume needle 121 are collectively formed, in order to improve when movable part 122 is located at first position
Stability, the winding mechanism 100 in the present embodiment further includes the first support component 150.Wherein, the first support component 150 is set to
It rolls up between needle stand 110 and the first guidance set 140, and is flexibly connected in a second direction with volume needle stand 110.First support component
150 for supporting one end of movable part 122 when volume needle group 120 is wound.Second direction can rotate for volume needle group 120
Direction locating for center line.
Optionally, the first support component 150 includes the first roller mount 151 and the first idler wheel 152.Wherein, the first roller mount
151 are set in the outside of volume needle stand 110 in a second direction, and are flexibly connected with volume needle stand 110.The setting of first idler wheel 152 is the
In one roller mount 151, and follow the first roller mount 151 in a second direction close to or far from movable part 122.
It, can be by by the first idler wheel 152 it is to be appreciated that the movable part 122 in the present embodiment is connect with link block 142
Be connected the mode of block 142, realizes the support to 122 one end of movable part.Wherein, substrate is wound in volume needle group 120
When, the first idler wheel 152 can follow the first roller mount 151 mobile close to movable part 122 in a second direction, until the first idler wheel
152 are resisted against link block 142 close to the side of volume needle 121.Certainly, in other embodiments, the first idler wheel 152 can also be direct
It is resisted against one end of movable part 122.
Certainly, in other embodiments, the first support component 150 can also support movable part 122 by other means
One end.For example, the first idler wheel 152 in the first support component 150 can be wedge-shaped catch, with one end of movable part 122 or
The shape of link block 142 matches.It is to be appreciated that the first idler wheel 152 in the present embodiment is only one of selection, this
The technical staff in field can adjust according to the actual situation.
Optionally, in order to realize that the first support component 150 is flexibly connected in a second direction with volume needle stand 110, this implementation
The first sliding rail mutually matched, being arranged in a second direction can be equipped between the first roller mount 151 in example and volume needle stand 110
11 and first sliding block 12.Wherein, on volume needle stand 110, the first sliding block 12 and the first roller mount 151 connect the setting of the first sliding rail 11
It connects, to drive the first support component 150 to move in a second direction.
Further, it is contemplated that the volume needle group 120 in the present embodiment includes two volume needles 121 being oppositely arranged, therefore, in order to
Guarantee that roll up the first support component 150 being correspondingly arranged on needle 121 at two moves synchronously in a second direction, the volume in the present embodiment
It further include the second guidance set 160 around mechanism 100, the second guidance set 160 is connect with the first support component 150, for guiding
First support component 150 moves in a second direction.
Optionally, the second guidance set 160 includes guide post mounting plate 161, the second guide post 162 and driving plate 163.Wherein,
On volume needle stand 110, the second guide post 162 is erected on guide post mounting plate 161 setting of guide post mounting plate 161 in a second direction, is driven
Movable plate 163 is sheathed on the second guide post 162, and is connect with the second roller mount 171 of two the first support components 150, to realize
Driving plate 163 drives two the second support components 170 to move in a second direction simultaneously.
Further, the second guide post 162 is equipped with the second guide post fixed block 164 far from one end of guide post mounting plate 161, and second leads
Column fixed block 164 is for limiting moving distance of the driving plate 163 on the second guide post 162；Driving plate 163 is fixed with the second guide post
Between block 164, it is additionally provided with third actuator 166.Third actuator 166 is set on the second guide post 162, in the first support
After component 150 supports one end of movable part 122 to complete winding, driving driving plate 163 is mobile far from movable part 122.
Optionally, between driving plate 163 and the second guide post 162, it is additionally provided with the second guide sleeve 165, the second guide sleeve 165 is used for
Substitution driving plate 163 is directly slided with the second guide post 162, can reduce rubbing between driving plate 163 and the second guide post 162
It wears consumption.Fixture block 167 is also provided in first roller mount 151, driving plate 163 is connect with fixture block 167, to realize driving plate
163 and first roller mount 151 connection, and then realize driving plate 163 under the action of external impetus, drive two first support
Component 150 moves in a second direction.
In the present embodiment, the quantity that the second guide post 162 on guide post mounting plate 161 is arranged in can be for 4, to increase by the
Stability when one support component 150 is along the second guiding movement；Third actuator 166 can be spring.Further, continuing with ginseng
Fig. 1 is read, the winding mechanism 100 in the present embodiment can also include the second support component 170, and the second support component 170 is along second
Direction is flexibly connected with the other end of movable part 122.Wherein, the second support component 170 includes the second roller mount 171 and setting
The second idler wheel 172 in the second roller mount 171, the second idler wheel 172 follow the second roller mount 171, in volume needle group 120 to substrate
When being wound, the other end that is close in a second direction and supporting movable part 122 is located at the to further enhance movable part 122
Stability when one position.
Certainly, in other embodiments, the second support component 170 can also support movable part 122 by other means
The other end.For example, the second idler wheel 172 in the second support component 170 can be wedge-shaped catch, the other end with movable part 122
Shape match.It is to be appreciated that the second idler wheel 172 in the present embodiment is only one of selection, the skill of this field
Art personnel can adjust according to the actual situation.
In order to enable movable part 122 at the second position, keeps the collapsed state to battery core, the up- coiler in the present embodiment
Structure 100 further includes fixation kit 180.Fixation kit 180 is set between volume needle 121 and movable part 122, is used for movable part 122
It is when the second position, movable part 122 and volume needle 121 is fixed.For battery core after being crushed, movable part 122 can be persistently to battery core
Pressure, so that battery core can be in the holding collapsed state of a period of time, to obtain the battery core of dimensionally stable.
Optionally, fixation kit 180 includes mutual cooperation grab 182 and deck 181, and deck 181 is equipped with and grab 182
The blocked hole 1811 of cooperation.On volume needle 121, another is arranged in movable part a setting in deck 181 and grab 182
On 122.
It is arranged on volume needle 121 with deck 181 below, grab 182 is illustrated for being arranged on movable part 122.It can
To understand ground, when deck 181 is arranged on movable part 122, the setting of grab 182 when rolling up on needle 121, about deck 181 and
The technical characteristic of grab 182 only exists symmetrical replacement, and those skilled in the art can adjust according to the actual situation.
Specifically, it is arranged in the accommodation groove 123 in volume needle 121 due to movable part 122, deck 181 in fixation kit 180
It can be set in the bottom of accommodation groove 123 1231.Deck 181 in a second direction with 1231 active link of bottom of accommodation groove 123,
The side of 122 relative volume needle 121 of movable part is arranged in grab 182.The L-shaped setting of the hook portion of grab 182, and the horizontal part of hook portion
It is arranged in a second direction.When movable part 122 is moved to the second position from first position, deck 181 is in a second direction close to card
Hook 182 is mobile, so that the horizontal part of the blocked hole 1811 and grab 182 that are located on deck 181 is clamped, to realize movable part
122 in the second position and the fixation for rolling up needle 121, and then improves the flattening effect to battery core.
Optionally, in order to realize that deck 181 is flexibly connected with the bottom 1231 for rolling up accommodation groove 123 in needle 121, the present embodiment
In deck 181 and volume needle 121 between be additionally provided with the second sliding rail 13 and the second sliding block mutually matched, being arranged in a second direction
14.Wherein, the second sliding rail 13 is arranged in volume needle 121 on the bottom 1231 of accommodation groove 123, and the second sliding block 14 connects with deck 181
It connects, to drive deck 181 to move in a second direction.
Optionally, in order to when movable part 122 is located at the second position, for deck 181 provide towards grab 182 move work
Firmly, the fixation kit 180 in the present embodiment further comprises the block 183 that 181 side of deck is arranged in a second direction, with
And the first actuator 184 between block 183 and deck 181 is set in compression shape, the first actuator 184 is separately connected block
183 with deck 181, for when movable part 122 is located at the second position, driving deck 181 is in a second direction close to the fortune of grab 182
It is dynamic.
Optionally, the first actuator 184 in the present embodiment can be spring, in compression shape setting in block 183 and card
Between seat 181.Certainly, in other embodiments, block 181 and the first actuator 184 can also directly replace with telescopic cylinder
Etc. driving elements, those skilled in the art can be adaptively adjusted according to the actual situation.
Optionally, it in order to enable movable part 122 and the second position to battery core after completing to flatten, is solved again with volume needle 121
Except fixation, the fixation kit 180 in the present embodiment further includes the limited block 185 and mandril 186 being arranged in a second direction.Wherein,
Limited block 185 is arranged in the other side of deck 181, mandril 186 wear with limited block 185, and connect with deck 181, limited block
185 for limiting the moving direction of mandril 186.Mandril 186 can overcome the first driving under the effect of external force in a second direction
The active force of part 184, and it is mobile far from grab 182 to drive deck 181, so that grab 182 on movable part 122 is from deck 181
On blocked hole 1811 in deviate from so that movable part 122 and volume needle 121 between be fixedly connected with releasing.
Further, the mandril 186 in the present embodiment can drive deck 181 remote under the driving of the second support component 170
It is mobile from 182 direction of grab.Specifically, the second roller mount 171 of the second support component 170 is also provided with cooperates with volume needle 121
Jack 173 so that the second roller mount 171 towards movable part 122 move when, on the one hand can support mandril 186, and drive
Mandril 186 drives deck 181 to move far from grab 182；On the other hand, roll up needle 121 end 1211 can by jack 173 with
The cooperation of second roller mount 171 avoids volume needle 121 from influencing the movement of the second roller mount 171, the second roller mount 171 is existed
When movable part 122 is located at first position, the other end of movable part 122 is supported.
Optionally, be incorporated by reference to Fig. 1 and refering to Fig. 4, Fig. 4 winding mechanism in the present invention another direction structural representation
Figure.In order to realize that volume needle 121 clamps substrate, two opposite at least sides of volume needle 121 are equipped with air bag 15, and gas in the present embodiment
Capsule 15 can be passed through gas-tpe fitting 18 to 15 inner inflatable of air bag from external gas source, and air bag 15 clamps product upon inflation, clamps
Volume needle stand 110 is driven to be rotated by external connection power source afterwards, to realize coiling action.
Certainly, in other embodiments, substrate can also be clamped by other means.For example, when volume needle 121 is one group
When, actuator can be set on volume needle stand 110, when volume needle 121 needs to clamp substrate, two volume needles 121 be driven mutually to lean on
Closely and clamp substrate；After the completion of winding, volume needle 121 can be located remotely from each other movement under the driving of the driving member, to unclamp
The substrate of clamping.It is to be appreciated that those skilled in the art is adaptively adjusted according to the actual situation.
In addition, rolling up the outer peripheral surface of needle 121 and movable part 122 to carry out blanking after completing to wind and flatten to substrate
On be additionally provided with multiple gas holes 17, gas hole 17 can also be connected to by gas-tpe fitting 18 with external air source.Gas hole 17 can be with
Blow so that generate air film on the outside of volume needle 121 and movable part 122, will roll up the innermost circle in needle 121 and movable part 122 and battery core every
Film separates, consequently facilitating battery core blanking.
The course of work of the winding mechanism 100 in the present embodiment is illustrated below.
Under original state, the winding mechanism 100 in the present embodiment is wound, flattens and completes down to a upper battery core
Material, at this point, movable part 122 is located at the second position, and the blocked hole 1811 on deck 181 is matched with grab 182, so that movable
Portion 122 is fixedly connected with volume needle 121.
When winding mechanism 100 needs to wind next battery core, the second support component 170 is in a second direction close to movable part
122 is mobile.At this point, the end 1211 of volume needle 121 passes through the jack in the second roller mount 171 in the second support component 170
173, and the second roller mount 171 supports mandril 186, drives deck with the active force for driving mandril 186 to overcome the first actuator 184
181 is mobile close to block 183 in a second direction, so that deck 181 is mutually disengaged with grab 182.Jack 173 and volume needle 121
End 1211 cooperates, and then can support volume needle 121, prevents from rolling up the generation of needle 121 shake or deformation in winding process.
Movable part 122 is after the fixed effect for losing fixation kit 180, under the action of the second actuator 143, along first
Direction moves to first position by the second position.At this point, the outer peripheral surface of movable part 122 and the outer peripheral surface of volume needle 121 are collectively formed
Outer profile is circular outer peripheral surface.
First support component 150 is by overcoming the active force of third actuator 166 under the driving of external force, towards movable part 122
Movement, so that the first idler wheel 152 is against one end of movable part 122；Meanwhile second the second idler wheel 172 in support component 170 supports
By the other end of movable part 122, to realize when movable part 122 is located at first position, from the effect of both ends support movable part 122
Fruit.At this point, movable part 122 remains in the state of first position.
One end of substrate is set in slit 16, is inflated by external air source and air bag 15, to realize volume needle group
The clamping of 120 pairs of substrates.Applied external force further drives volume needle stand 110 to be rotated, to be wound to substrate, thus shape
At battery core.
After completing winding to battery core, the active force being applied in the first support component 150 is removed, the first support component
150 under the action of third actuator 166, in a second direction far from movable part 122 move, until movable part 122 one end with
First idler wheel 152 is detached from；It is gradually reduced the active force to the second support component 170, so that the second support component 170 is far from activity
Portion 122 moves, until the second idler wheel 172 is detached from below the other end of movable part 122.At this point, movable part 122 is in a first direction
On lose the supporting role of the first support component 150 and the second support component 170.Due to being applied to the second support component 170
On active force do not remove completely, and movable part 122 is even located at first position, therefore deck 181 is not matched with grab 182 also
It closes.
Apply the active force close towards volume needle 121 along first direction to movable part 122, so that movable part 122 is along first
Direction moves to the second position from first position, carries out flattening processing to round battery core, and further removes to the second support group
The active force of part 170.At this point, the second roller mount 171 is applied to the disappearance of the active force on mandril 186, deck 181 is in the first driving
It under the driving of part 184, is moved towards grab 182, blocked hole when so that movable part 122 being located at the second position, on deck 181
1811 cooperate with grab 182, realize movable part 122 and roll up the fixation of needle 121.
After movable part 122 and volume needle 121 are completed to fix, movable part 122 also completes flattening processing, and activity to battery core
Portion 122 can be maintained by the cooperation of deck 181 and grab 182 in the second position, and then improve the flattening effect to battery core
Fruit.External air source by multiple gas holes 17 blow so that be attached to movable part 122 and roll up 121 outer peripheral surface of needle on diaphragm and
It rolls up needle group 120 to be detached from, to carry out blanking to the battery core after winding and flattening more conveniently.
In conclusion the invention proposes a kind of winding mechanism, it is living with volume needle by being arranged on volume needle along first direction
The movable part of dynamic connection, movable part move reciprocatingly between the first position and the second position along first direction.Work as winding mechanism
In winding, circular outer peripheral surface is collectively formed in first position, and volume needle in moving part, for substrate winding；Work as up- coiler
For structure when the battery core completed to winding is flattened, moving part is in the second position, so that the battery core after flattening is relatively easily
The shape being kept fixed, avoid the occurrence of innermost layer diaphragm take away, scrunch the problems such as, to ensure that the quality of battery core；In addition, this
Winding mechanism in invention also passes through the first support component of setting and the second support component, can be in moving part in first position
When, the two sides of movable part are supported, the stability of movable part can be improved；Further, the winding mechanism in the present invention passes through in work
It is provided with fixation kit between dynamic portion and volume needle, it can be in moving part when the second position, further by movable part and volume needle
It is fixed, to improve the flattening effect to battery core；Further, the winding mechanism in the present invention also passes through to be provided with and use
The first guidance set for being moved in a first direction in boot activity portion and for guiding the first support component to transport in a second direction
The second dynamic guidance set, can be improved the displacement accuracy of movable part and the first support component.
Mode the above is only the implementation of the present invention is not intended to limit the scope of the invention, all to utilize this
Equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it is relevant to be applied directly or indirectly in other
Technical field is included within the scope of the present invention.
Claims (10)
1. a kind of winding mechanism, for being wound to substrate, to form battery core characterized by comprising
At least one volume needle group, each volume needle group includes two volume needles being oppositely arranged, for clamping the substrate；And
Needle stand is rolled up, is connect with one end of the volume needle group, the volume needle stand is used for after the volume needle group clamps the substrate, band
It moves the volume needle group to be rotated, by the substrate on the outer peripheral surface of the volume needle；
Wherein, the volume needle is equipped with movable part, and the movable part is flexibly connected along first direction with the volume needle, and can be the
It is moved back and forth between one position and the second position；Wherein, the first position second position is far from the volume needle group
Pivot axle；
When the volume needle group is when being wound, the moving part is in the first position, so that the periphery of the movable part
It is circular outer peripheral surface that outer profile, which is collectively formed, in the outer peripheral surface of face and the volume needle；When the volume needle group is completed to wind and carry out down
When material, the moving part is formed in the second position with flattening to the battery core.
2. winding mechanism according to claim 1, which is characterized in that the winding mechanism includes fixation kit, described solid
Determine component to be set between the volume needle and the movable part, be used in the moving part when second position, it will be described
Volume needle is fixed with the movable part.
3. winding mechanism according to claim 2, which is characterized in that the fixation kit includes: mutually matched grab
And deck, one in the grab and the deck is set to the side of the relatively described volume needle of the movable part, another is along the
The sliding of two directions is set to the side of the relatively described movable part of the volume needle, and the deck is equipped with the clamping cooperated with the grab
Hole；
Wherein, when the moving part is when the second position, the deck drives the blocked hole along the second direction
It is mobile close to the grab, so that the grab is clamped with the blocked hole.
4. winding mechanism according to claim 3, which is characterized in that the fixation kit further comprises:
Block, set on the side of the deck；
First actuator is set between the block and the deck along the second direction, and first actuator is used for
The moving part drives the deck to move close to the grab when second position；
Limited block, set on the other side of the deck；And
Mandril, the mandril is arranged in the limited block, and connect with the deck；
Wherein, after the volume needle group is completed to wind and flatten the battery core, the mandril is for driving the deck far from institute
It is mobile to state grab direction, so that the grab is deviate from from the blocked hole.
5. winding mechanism according to claim 1, which is characterized in that the winding mechanism includes the first guidance set, institute
It states the first guidance set to connect with the movable part, and for guiding the movable part to move along the first direction.
6. winding mechanism according to claim 5, which is characterized in that first guidance set includes:
First guide post is erected on the volume needle along the first direction, and between the volume needle stand and the movable part；
Link block is sheathed on first guide post, and connect with one end of the movable part, to drive the movable part along institute
State first direction movement；And
Second actuator is set between the movable part and the volume needle along the first direction；Second actuator is used for
After the movable part flattens the battery core in the second position, drive the movable part mobile towards the first position.
7. winding mechanism according to claim 1, which is characterized in that the winding mechanism includes the first support component, institute
It states the first support component to be flexibly connected with the volume needle stand in a second direction, be used in the moving part in the first position
When, support one end of the movable part.
8. winding mechanism according to claim 7, which is characterized in that the winding mechanism further comprises the second guiding group
Part, second guidance set are connect with first support component, for guiding first support component along described second
Direction movement.
9. winding mechanism according to claim 8, which is characterized in that second guidance set includes:
Guide post mounting plate is set on the volume needle stand；
Second guide post is erected on the guide post mounting plate along the second direction；
Driving plate is sheathed on second guide post, the first support component connection, to drive first support component edge
The second direction is close to or far from the movable part；
Second guide post fixed block, one end set on second guide post far from the guide post mounting plate, described second causes to fix
Block is for limiting moving distance of the driving plate on second guide post；And
Third actuator is sheathed on second guide post, and between the driving plate and the second guide post fixed block；
The third actuator is used for after first support component supports the movable part to complete winding, drives the driving plate remote
It is mobile from the movable part.
10. winding mechanism according to claim 1, which is characterized in that the winding mechanism further comprises the second support
Component, second support component are flexibly connected with the other end of the movable part in a second direction, in the movable part
When positioned at the first position, the other end of the movable part is supported.
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| CN201910532436.8A CN110165307B (en) | 2019-06-19 | 2019-06-19 | Winding mechanism |
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|---|---|---|---|
| CN201910532436.8A CN110165307B (en) | 2019-06-19 | 2019-06-19 | Winding mechanism |
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| CN110165307B CN110165307B (en) | 2024-07-26 |
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| CN110752381A (en) * | 2019-10-23 | 2020-02-04 | 江西赣锋电池科技有限公司 | Electricity core coiling mechanism |
| CN112701340A (en) * | 2019-10-23 | 2021-04-23 | 无锡先导智能装备股份有限公司 | Winding needle mechanism and winding equipment |
| CN113328147A (en) * | 2021-04-30 | 2021-08-31 | 大族激光科技产业集团股份有限公司 | Needle winding mechanism |
| CN113659217A (en) * | 2021-08-11 | 2021-11-16 | 无锡先导智能装备股份有限公司 | Winding needle mechanism and winding device |
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| Publication number | Publication date |
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| CN110165307B (en) | 2024-07-26 |
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