CN209312947U - Core coil needle and up- coiler - Google Patents
Core coil needle and up- coiler Download PDFInfo
- Publication number
- CN209312947U CN209312947U CN201822277629.7U CN201822277629U CN209312947U CN 209312947 U CN209312947 U CN 209312947U CN 201822277629 U CN201822277629 U CN 201822277629U CN 209312947 U CN209312947 U CN 209312947U
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- needle
- volume
- handle
- inclined surface
- core coil
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model relates to technical field of lithium ion, a kind of core coil needle and up- coiler are provided, core coil needle, including the first volume needle and volume Two needle being bonded to each other, first volume needle includes first volume needle handle, first syringe needle and the first mounting base, volume Two needle includes volume Two needle handle, second syringe needle and the second mounting base, first syringe needle is equipped with the first inclined surface, second syringe needle is equipped with the second inclined surface, second inclined surface is not exclusively bonded with the first inclined surface, first volume needle handle is bonded to form volume needle ontology with volume Two needle handle, first mounting base is bonded with the second mounting base.In the utility model, first inclined surface is set on the first syringe needle, second inclined surface is set on the second syringe needle, first inclined surface is not exclusively bonded with the second inclined surface, two inclined surface being not exclusively bonded make the extruding force that volume needle is subject in winding process have release gap, it reduces diaphragm and rolls up the frictional force of needle, avoid volume needle by diaphragm extraction and boiling hot hole bad phenomenon.
Description
Technical field
The utility model relates to technical field of lithium ion, especially provide a kind of core coil needle and up- coiler.
Background technique
In battery production, needing the positive/negative plate cut being wound into core by up- coiler around workshop.It has wound
At core centre bore determine that currently used volume needle section is roll up needle section two using dichotomous by the structure of volume needle
Half volume needle is all cut, and centre diaphragm clamped when being hollow out, winding process and volume needle extraction keeps same state,
Therefore one layer of diaphragm is had among the centre bore of the core of winding completion, then using holes mechanism is scalded, the diaphragm among hole is pushed to
Hole wall does not interfere negative electrode lug and the steel shell spot welding of assembly in turn.
Since the core angle that winding is completed is variation, and the inclined surface for scalding hole needle is fixed, so scalding hole insertion
Hole needle is scalded in the process to be directly inserted on centre bore diaphragm, and it is bad to result in boiling hot hole；And scald hole needle heating efficiency it is low, scald hole wire surface
Temperature is unable to satisfy technique requirement, and causing the diaphragm of core centre bore to be easy rebound, to influence cathode pot-welding abnormal, cause core and
Point capillary is scrapped.
And because volume needle two halves cylindrical roll needle relative size difference it is little, the extruding being subject in winding process compared with
Greatly, the frictional force of diaphragm and volume needle, causes central hole diaphragm to be extracted with volume needle, causes core report when increasing volume needle extraction
It is useless.
Utility model content
The purpose of this utility model is to provide a kind of core coil needle and up- coilers, it is intended to solve volume needle in the prior art and exist
Diaphragm extraction is easily caused into the technical issues of scrapping when winding.
In order to achieve the above purposes, the technical solution adopted by the utility model is: a kind of core coil needle, including what is be bonded to each other
First volume needle and volume Two needle, the first volume needle includes first volume needle handle, the first needle set on first volume needle handle one end
Head and set on the first volume needle handle other end the first mounting base, the volume Two needle include volume Two needle handle, be set to institute
State second syringe needle of volume Two needle handle one end and the second mounting base set on the volume Two needle handle other end, first syringe needle
It is equipped with the first inclined surface, second syringe needle is equipped with the second inclined surface, second inclined surface and first inclined surface
Not exclusively fitting, the first volume needle handle are bonded to form volume needle ontology, first mounting base and institute with the volume Two needle handle
State the fitting of the second mounting base.
Further, first inclined surface is from one end that first syringe needle is connect with the first volume needle handle to another
End inclination extends, and first inclined surface not exclusively occupies first syringe needle, and second inclined surface is by described second
The end that one end inclination that syringe needle is connect with the volume Two needle handle extends to the other end is formed, the area of first inclined surface
Greater than the area of second inclined surface.
Further, the one end of first syringe needle far from the first volume needle handle is cylindrical, the end of the cylinder
In cone shape.
Further, the circular in cross-section of the volume needle ontology, and each cross-section diameter of a circle of the volume needle ontology
It is identical.
Further, the cross section of the first volume needle handle is large semicircle, and the cross section of the volume Two needle handle is smaller part
Circle, the large semicircle and the small semicircle are enclosed the circle.
Further, first mounting base includes the first installing handle, and one end of first installing handle is axially arranged with the
One mounting groove, one end of the first volume needle handle are fixed in first mounting groove, and first installing handle is square along its length
To equipped with the first mounting hole；Second mounting base includes the second installing handle, and one end of second installing handle is axially arranged with the
Two mounting grooves, one end of the volume Two needle handle are fixed in second mounting groove, and first installing handle is square along its length
To equipped with the second mounting hole.
Further, first mounting base further includes being located at the same side with first mounting groove and along first peace
The first limit plate that hilt outer wall face ring is set, first limit plate are equipped with the first card slot, and second mounting base further includes
The second limit plate for being located at the same side with second mounting groove and being set along the second installing handle outer wall face ring, second limit
Position plate is equipped with the second card slot, and first limit plate and second limit plate are enclosed the rounded limit plate in section.
Further, the inner wall of the first volume needle and outside wall surface are coated with non-sticking lining；The volume Two needle
Inner wall and outside wall surface are coated with non-sticking lining.
Further, the non-sticking lining is Diamond-like Carbon plated film.
The utility model additionally provides a kind of up- coiler, including up- coiler ontology, is equipped on the up- coiler ontology
The core coil needle stated.
The utility model has the beneficial effects that
In the utility model, the first inclined surface is set on the first syringe needle of first volume needle, in the second needle of volume Two needle
The second inclined surface is set on head, the first inclined surface is not exclusively bonded with the second inclined surface, and two inclined surface being not exclusively bonded make to roll up
There is release gap around the extruding force that volume needle is subject in the process, reduce the frictional force of diaphragm and core, and roll up after the completion of winding
During needle is extracted out, center can be extruded to along inclined surface by being sandwiched in the diaphragm between the first inclined surface and the second inclined surface
The inner wall in hole avoids volume needle by diaphragm extraction and boiling hot hole bad phenomenon.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is battery core winding needle construction schematic diagram provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of first volume needle in core coil needle provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of volume Two needle in core coil needle provided by the embodiment of the utility model；
Wherein, each appended drawing reference in figure:
10- first volume needle；11- first volume needle handle；The first syringe needle of 12-；The first inclined surface 121-；The one of the first syringe needle of 122-
End；123- cone；The first mounting base of 13-；The first installing handle of 131-；The first mounting groove of 132-；The first mounting hole of 133-；134-
First limit plate；The first card slot of 135-；20- volume Two needle；21- volume Two needle handle；The second syringe needle of 22-；The second inclined surface 221-；
The second mounting base of 23-；The second installing handle of 231-；The second mounting groove of 232-；The second mounting hole of 233-；The second limit plate of 234-；
The second card slot of 235-；30- volumes of needle ontology.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached
Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion
Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this
The limitation of utility model.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
Please refer to Fig. 1 to Fig. 3, a kind of core coil needle provided by the embodiment of the utility model, including be bonded to each other first
Roll up needle 10 and volume Two needle 20.First volume needle 10 includes first volume needle handle 11, the first syringe needle set on 11 one end of first volume needle handle
12 and set on 11 other end of first volume needle handle the first mounting base 13, volume Two needle 20 includes volume Two needle handle 21, is set to the
Second syringe needle 22 of volume two 21 one end of needle handle and the second mounting base 23 set on 21 other end of volume Two needle handle, on the first syringe needle 12
Equipped with the first inclined surface 121, the second syringe needle 22 is equipped with the second inclined surface 221, the second inclined surface 221 and the first inclined surface 121
Not exclusively fitting, first volume needle handle 11 are bonded formation volume needle ontology 30, the first mounting base 13 and the second peace with volume Two needle handle 21
Seat 23 is filled to be bonded.
In the present embodiment, first inclined surface 121 is set on the first syringe needle 12 of first volume needle 10, in volume Two needle 20
Second inclined surface 221 is set on second syringe needle 22, and the first inclined surface 121 is not exclusively bonded with the second inclined surface 221, is not exclusively pasted
Two inclined surface closed make the extruding force that volume needle is subject in winding process have release gap, reduce the frictional force of diaphragm and volume needle,
And during rolling up needle extraction after the completion of winding, the diaphragm meeting that is sandwiched between the first inclined surface 121 and the second inclined surface 221
It is extruded to the inner wall of centre bore along inclined surface, avoids volume needle by diaphragm extraction and boiling hot hole bad phenomenon.
Specifically, referring to Fig. 2, one end that the first inclined surface 121 is connect by first syringe needle 12 with first volume needle handle 11
Extend to other end inclination, it is that the first inclined surface 121 is not complete that the first inclined surface 121, which not exclusively occupies the first syringe needle 12,
The other end of the first syringe needle 12 is extended to entirely.Referring to Fig. 3, the second inclined surface 221 is connected by the second syringe needle 22 with volume Two needle handle 21
The end that one end inclination connect extends to the other end is formed, and the area of the first inclined surface 121 is greater than the face of the second inclined surface 221
Product.Refer again to Fig. 1, it can be seen that since the area of the first inclined surface 121 is greater than the area of the second inclined surface 221, guarantee in this way
Second inclined surface 221 not exclusively fits on the first inclined surface 121.
Further, the one end 122 of the first syringe needle 12 far from first volume needle handle 11 is cylindrical, and columned end is circle
Cone 123.This end of first syringe needle 12 is not cut, retains the assembly of complete cylinder Yu cone 123.In this way, working as
First volume needle 10 executes the risk that damage diaphragm can be not only reduced when insertion, and facilitates the first syringe needle 12 being inserted into external support
Support, making to roll up reduces shake in needle winding process.
In the present embodiment, the circular in cross-section of needle ontology 30 is rolled up, and roll up each cross-section diameter of a circle phase of needle ontology 30
Together.It is that spliced volume needle ontology 30 is bonded with volume Two needle handle 21 is cylindrical for first volume needle handle 11.In this way, when volume needle sheet
Volume 30 cross section approximation of needle ontology is rounded after body 30 clamps diaphragm, is beneficial to the circle for guaranteeing that winding produces core in this way
Degree.
In the present embodiment, 11 cross section of first volume needle handle is large semicircle, and the cross section of volume Two needle handle 21 is small semicircle, two
Complete circle is enclosed after person's splicing.Using this set, have between the cross-section center and the center of circle of first volume needle handle 11
There is eccentricity, equally there is eccentricity between the cross-section center and the center of circle of volume Two needle handle 21, in this way, just can guarantee when first
After syringe needle 12 and the second syringe needle 22 clamp diaphragm, cross section is approximately round after first volume needle handle 11 is enclosed with volume Two needle handle 21
Shape, in this way volume the needle diaphragm in extraction can be pushed to center bore inner wall along the first inclined surface 121, then using cylindrical outer wall face
It is pressed on inner wall, takes out diaphragm and the undesirable generation in boiling hot hole to reduce.If being not provided with eccentricity, the first syringe needle 12 and the second needle
After first 22 clamp diaphragm, cross section is not then circle after first volume needle handle 11 and the enclosing of volume Two needle handle 21, to be not easy to roll up
Needle extraction, and it is bad to will cause boiling hot hole.
In the present embodiment, the first mounting base 13 includes the first installing handle 131, and one end of the first installing handle 131 is axially arranged with
First mounting groove 132, one end of first volume needle handle 11 are fixed in the first mounting groove 132, and one end of first volume needle handle 11 is fixed
In in the first mounting groove 132, the first installing handle 131 is provided along its length the first mounting hole 133；Second mounting base 23 includes
Second installing handle 231, one end of the second installing handle 231 are axially arranged with the second mounting groove 232, and one end of volume Two needle handle 21 is fixed
In in the second mounting groove 232, the first installing handle 131 is provided along its length the second mounting hole 233.Pass through the first mounting hole
133 and second mounting hole 233 the first mounting base 13 and the second mounting base 23 are fixed on the corresponding fixed bit of winding device respectively
On.
Further, the first mounting base 13 further includes being located at the same side with the first mounting groove 132 and along the first installing handle 131
The first limit plate 134 that outer wall face ring is set, the first limit plate 134 be equipped with the first card slot 135, the second mounting base 23 further include with
The second limit plate 234 that second mounting groove 232 is located at the same side and sets along 231 outer wall face ring of the second installing handle, the second limit plate
234 are equipped with the second card slot 235, and the first limit plate 134 and the second limit plate 234 are enclosed the rounded limit plate in section.
By the position-limiting action of limit plate, guarantee that first volume needle 10 and volume Two needle 20 are installed to correct position, and by the torsion of main shaft
Square is transmitted on first volume needle 10 and volume Two needle 20 and rotates with it.
Further, the inner wall of first volume needle 10 and outside wall surface are coated with non-sticking lining (not shown)；Second
The inner wall and outside wall surface for rolling up needle 20 are coated with non-sticking lining (not shown).Specifically, the non-sticking lining is eka-gold
Hard rock plated film.Non-sticking lining makes the inner wall of first volume needle 10, the inner wall of outside wall surface and volume Two needle 20, outside wall surface more
Smooth, high-wearing feature, anti-caking, reduce volume needle extraction when frictional force, eliminate volume needle extraction when frictional static, avoid by
Diaphragm extraction, improves the qualification rate of product.
The utility model embodiment additionally provides a kind of up- coiler (not shown), including up- coiler ontology, the volume
Above-mentioned core coil needle is installed on machine ontology.Core coil needle is installed on up- coiler ontology, in this way when winding battery core, is reduced
While taking out diaphragm, the pumping bad core of diaphragm is avoided to go to assembly shop by subsequent processing, thus is avoided that cathode pot-welding occurs
Spot welding is struck sparks rosin joint situation, is reduced cathode pot-welding needle and is scrapped, and debugging machine, is changed a capillary, scalded hole needle and be required to waste
1-1.5 hours, also improve working efficiency.
In the present embodiment, using the course of work of the up- coiler of above-mentioned core coil needle are as follows: when executing insertion process, due to the
Second inclined surface 221 of two syringe needles 22 extends to end, and volume Two needle 20 does not easily cause the deformation or damage of raw material when being inserted into；
Main shaft rotation is firmly attached to diaphragm the inner surface of first volume needle handle 11 after first volume needle 10 is inserted into, and then volume Two needle 20 is held
Diaphragm is tightly clipped between first volume needle handle 11 and volume Two needle handle 21 by row insert action；After the completion of winding, debatching needle is executed
When process, volume Two needle 20 is first exited, due to the first inclined surface 121 and the second inclined surface of first volume needle 10 and volume Two needle 20
221 there are gap, and diaphragm can partially be discharged with needle outer surface stress is rolled up, and it is extracted to reduce frictional force reduction centre bore diaphragm
Risk；First volume needle 10 is executed again exits process, since the first syringe needle 12 of first volume needle 10 has the second inclined surface 221, and
End is the assembly of cylindrical body and cone, during diaphragm can be pushed to along the second inclined surface 221 when first volume needle 10 is extracted
Heart hole inner wall, is then pressed on inner wall by cylindrical body again, can reduce take out diaphragm and the undesirable generation in boiling hot hole in this way.Due to this
Acusector core in application embodiment eliminates the gap platform on conventional roll needle, reduces the abrasion of volume needle itself, ensure that
Die life, while the damage to lithium ion battery product is also reduced, improve lithium ion battery product.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of core coil needle, including the first volume needle and volume Two needle being bonded to each other, the first volume needle includes first volume needle
Handle, the first syringe needle set on first volume needle handle one end and the first mounting base set on the first volume needle handle other end,
The volume Two needle includes volume Two needle handle, set on second syringe needle of volume Two needle handle one end and set on the volume Two needle
Second mounting base of the handle other end, it is characterised in that: first syringe needle is equipped with the first inclined surface, sets on second syringe needle
There is the second inclined surface, second inclined surface is not exclusively bonded with first inclined surface, the first volume needle handle and described the
The needle handles of volume two are bonded to form volume needle ontology, and first mounting base is bonded with second mounting base.
2. core coil needle according to claim 1, it is characterised in that: first inclined surface is by first syringe needle and institute
The one end for stating the connection of first volume needle handle extends to other end inclination, and first inclined surface not exclusively occupies first needle
Head, one end inclination that second inclined surface is connect by second syringe needle with the volume Two needle handle extend to the end of the other end
Portion is formed, and the area of first inclined surface is greater than the area of second inclined surface.
3. core coil needle according to claim 2, it is characterised in that: first syringe needle is far from the first volume needle handle
One end is cylindrical, and the end of the cylinder is in cone shape.
4. core coil needle according to claim 1, it is characterised in that: the circular in cross-section of the volume needle ontology, and institute
It is identical to state volume each cross-section diameter of a circle of needle ontology.
5. core coil needle according to claim 4, it is characterised in that: the cross section of the first volume needle handle is large semicircle,
The cross section of the volume Two needle handle is small semicircle, and the large semicircle and the small semicircle are enclosed the circle.
6. core coil needle according to any one of claim 1 to 5, it is characterised in that: first mounting base includes the
One installing handle, one end of first installing handle are axially arranged with the first mounting groove, and institute is fixed in one end of the first volume needle handle
It states in the first mounting groove, first installing handle is provided along its length the first mounting hole；Second mounting base includes the
Two installing handles, one end of second installing handle are axially arranged with the second mounting groove, and institute is fixed in one end of the volume Two needle handle
It states in the second mounting groove, first installing handle is provided along its length the second mounting hole.
7. core coil needle according to claim 6, it is characterised in that: first mounting base further includes and described first pacifies
The first limit plate that tankage is located at the same side and sets along the first installing handle outer wall face ring, first limit plate are equipped with the
One card slot, second mounting base further include being located at the same side with second mounting groove and along the second installing handle outside wall surface
The second limit plate that ring is set, second limit plate are equipped with the second card slot, first limit plate and second limit plate
It is enclosed the rounded limit plate in section.
8. core coil needle according to claim 1, it is characterised in that: the inner wall of the first volume needle is applied with outside wall surface
It is covered with non-sticking lining；The inner wall and outside wall surface of the volume Two needle are coated with non-sticking lining.
9. core coil needle according to claim 8, it is characterised in that: the non-sticking lining is Diamond-like Carbon plated film.
10. a kind of up- coiler, including up- coiler ontology, it is characterised in that: installation is just like claim 1 on the up- coiler ontology
To core coil needle described in any one of 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822277629.7U CN209312947U (en) | 2018-12-29 | 2018-12-29 | Core coil needle and up- coiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822277629.7U CN209312947U (en) | 2018-12-29 | 2018-12-29 | Core coil needle and up- coiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209312947U true CN209312947U (en) | 2019-08-27 |
Family
ID=67680239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822277629.7U Active CN209312947U (en) | 2018-12-29 | 2018-12-29 | Core coil needle and up- coiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209312947U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024020837A1 (en) * | 2022-07-27 | 2024-02-01 | 宁德时代新能源科技股份有限公司 | Winding needle assembly and winding device |
-
2018
- 2018-12-29 CN CN201822277629.7U patent/CN209312947U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024020837A1 (en) * | 2022-07-27 | 2024-02-01 | 宁德时代新能源科技股份有限公司 | Winding needle assembly and winding device |
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