CN112117500A - Novel needle winding mechanism - Google Patents

Novel needle winding mechanism Download PDF

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Publication number
CN112117500A
CN112117500A CN202011128808.XA CN202011128808A CN112117500A CN 112117500 A CN112117500 A CN 112117500A CN 202011128808 A CN202011128808 A CN 202011128808A CN 112117500 A CN112117500 A CN 112117500A
Authority
CN
China
Prior art keywords
needle
winding
rolling
connector
main
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011128808.XA
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Chinese (zh)
Inventor
黄立斌
柳杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Heming Machinery Co ltd
Original Assignee
Dongguan Heming Machinery Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongguan Heming Machinery Co ltd filed Critical Dongguan Heming Machinery Co ltd
Priority to CN202011128808.XA priority Critical patent/CN112117500A/en
Publication of CN112117500A publication Critical patent/CN112117500A/en
Pending legal-status Critical Current

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    • 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
    • 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
    • H01M10/04—Construction or manufacture in general
    • H01M10/0404—Machines for assembling batteries
    • H01M10/0409—Machines for assembling batteries for cells with wound electrodes
    • 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 invention discloses a novel needle rolling mechanism which comprises a structural main body, wherein the structural main body consists of a needle rolling connector, a needle rolling assembly and a needle nozzle, the needle nozzle is arranged at the head end of the needle rolling assembly, the needle rolling connector is arranged at the tail end of the needle rolling assembly, the needle rolling assembly comprises a first inner needle, a second inner needle, a needle rolling main sheet and an auxiliary sheet, the first inner needle and the second inner needle are overlapped up and down, the needle rolling main sheet is respectively sleeved on the first inner needle and the second inner needle, the auxiliary sheet is arranged on the two needle rolling main sheets through pins, a needle rolling connector pin and a needle rolling pressure spring are arranged in the needle rolling connector, and an insertion sheet is also arranged in the needle rolling connector; the winding needle mechanism is simple in structure, reliable in installation and positioning and strong in clamping stability of the diaphragm, and meanwhile, the winding needle has the function of inserting pieces, after the battery cell is wound for several circles, the inserting pieces are pushed out and then continuously wound, so that the deformation of the battery cell in the subsequent process is reduced, and the quality of the battery cell is ensured.

Description

Novel needle winding mechanism
Technical Field
The invention relates to the technical field of battery cell winding of lithium ion batteries, in particular to a novel winding needle mechanism.
Background
The lithium ion battery is used as a green energy source, has been widely used as a power source of mobile equipment such as wireless communication, digital cameras, notebook computers and the like, and has a very wide application prospect in the aspects of electric power sources such as mopeds, electric bicycles, electric tools, hybrid electric vehicles, pure electric vehicles, energy storage power sources and the like.
The winding production flow of the lithium ion battery plays a very important role in the quality aspect of the lithium ion battery, a winding needle in a lithium ion battery winding machine used in the prior art is just an important component for winding a battery pole group, and the quality of a winding core of the lithium ion battery is directly influenced by the precision control of clamping and winding of the winding needle, including the safety, the consistency and the service life of the lithium ion battery.
The existing winding needle mechanism can realize the clamping opening and closing and stretching and retreating of a winding needle, basically meets the production requirement of a winding battery, but has the defects of complex structure, high manufacturing difficulty and poor reliability of diaphragm clamping, so that the quality of the battery and the use efficiency of equipment are influenced.
The present invention has been made in view of such a background.
Disclosure of Invention
The invention aims to provide a novel needle winding mechanism, which effectively solves the technical problem.
In order to effectively solve the technical problems, the technical scheme adopted by the invention is as follows:
a novel needle rolling mechanism comprises a structure main body, wherein the structure main body is composed of a needle rolling connector, a needle rolling assembly and a needle nozzle, the needle nozzle is arranged at the head end of the needle rolling assembly, the needle rolling connector is arranged at the tail end of the needle rolling assembly, the needle rolling assembly comprises a first inner needle, a second inner needle, a needle rolling main sheet and auxiliary sheets, the first inner needle and the second inner needle are overlapped up and down, the needle rolling main sheet is respectively sleeved on the first inner needle and the second inner needle, the auxiliary sheets are arranged on the two needle rolling main sheets through pins, a plurality of needle rolling connector pins and needle rolling pressure springs are arranged in the needle rolling connector, the first inner needle and the second inner needle are driven by the needle rolling connector pins to rotate around the needle rolling connector pins as the center to realize opening, the needle rolling main sheet and the auxiliary sheets are driven by the needle rolling pressure springs to rotate around the needle rolling connector pins as the center to realize contraction, the interior of the needle coiling connector is also penetrated with an inserting piece.
Particularly, the tail ends of the first inner needle, the second inner needle and the main piece of the winding needle are all embedded into the winding needle connector and are respectively connected with the winding needle connector through the winding needle connector pin, a fixed block is arranged in the winding needle connector, a plurality of groups of spring mounting holes are arranged on the winding needle connector, the needle winding pressure spring is respectively connected with the tail ends of the first inner needle and the second inner needle through the spring mounting holes, the tail part of the winding needle main sheet is provided with round holes which are correspondingly communicated with two groups of the spring mounting holes, the rolling needle pressure spring is respectively arranged in the round hole and the spring mounting hole, the first inner needle and the second inner needle rotate into a splayed opening by taking the rolling needle connecting head pin as a center under the pushing of the rolling needle pressure spring, the winding needle main sheet and the auxiliary sheet rotate and contract into an inner splayed shape by taking the winding needle connector pin as a center under the pushing of the winding needle pressure spring.
Particularly, after the needle rolling assembly penetrates through a diaphragm, the needle nozzle moves rightwards to be sleeved into the head of the needle rolling assembly and pushes the first inner needle and the second inner needle to clamp the diaphragm, the needle rolling main piece and the auxiliary piece are unfolded to be in a parallel state, winding is carried out, after winding is completed, the needle nozzle moves leftwards to be separated from the head of the needle rolling assembly, the first inner needle and the second inner needle rotate to be splayed and opened by taking the needle rolling connecting head pin as a center under the pushing of the needle rolling pressure spring, the needle rolling main piece and the auxiliary piece rotate to be contracted to be splayed by taking the needle rolling connecting head pin as a center under the pushing of the needle rolling pressure spring, and the needle rolling assembly moves rightwards to complete winding.
Particularly, the inserted sheet is located book needle connector department, the inserted sheet impels to the position of coiling to the left and continues to coil, and after the completion of coiling, the inserted sheet withdraws to the right.
The invention has the beneficial effects that: according to the novel needle winding mechanism provided by the invention, the needle nozzle and the needle winding pressure spring are in matched motion, so that the needle winding mechanism can move integrally, the winding action is simplified, a battery cell can be efficiently and reliably wound, the production efficiency and the technical level are improved, meanwhile, the needle winding mechanism is also provided with an inserting piece function, the inserting piece is pushed out after the battery cell is wound for several circles, then the winding is continued, and the deformation of the battery cell in the subsequent process is reduced.
Drawings
Fig. 1 is an exploded view of the structural components of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
FIG. 3 is a schematic view of the needle winding assembly of the present invention prior to passing through the septum.
FIG. 4 is a schematic view of the needle assembly of the present invention after it has been passed through the septum.
FIG. 5 is a schematic structural view of the needle winding mechanism after winding is completed in the present invention.
FIG. 6 is a schematic view of the structure of the present invention when the male tab is advanced.
Detailed Description
Specifically, the left arrow in fig. 5 indicates the movement direction of the needle nozzle, the right arrow indicates the movement direction of the needle winding assembly, and the arrow in fig. 6 indicates the advancing direction of the insert.
In order that the present invention may be more readily and clearly understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
As shown in fig. 1 to 6, the structure of the novel needle winding mechanism provided by this embodiment is set as follows:
structural subject 1, structural subject 1 comprises book needle connector 2, book needle subassembly 3 and needle mouth 4, needle mouth 4 is located the head end of book needle subassembly 3, it locates to roll up needle connector 2 roll up the tail end of needle subassembly 3, it includes needle 302 in first interior needle 301, the second, rolls up needle main leaf 303 and accessory piece 304 to roll up needle subassembly 3, overlap from top to bottom in first interior needle 301 and the second and place, it is two sets of to roll up needle main leaf 303, cup joint respectively in needle 302 in first interior needle 301 and the second, accessory piece 304 install in through pin 5 on two sets of book needle main leaf 303, be equipped with in the book needle connector 2 and roll up needle connector pin 6 and book needle pressure spring 7, first interior needle 301 and second interior needle connector 302 in under the promotion of book needle pressure spring 7 with it is rotatory realization of center to roll up needle connector pin 6 opens, it is in to roll up needle main leaf 303 and accessory piece 304 with under the promotion of book needle pressure spring 7 with it is rotatory as the center to roll up needle connector pin 6 to realize opening And the needle coiling connector 2 is internally provided with a plug-in piece 8.
Needle 302 and book needle main leaf 303 tail end all imbed in the first interior needle 301, second in roll up in the needle connector 2 and pass through respectively roll up needle connector round pin 6 with roll up needle connector 2 and connect, be equipped with a fixed block 11 in the book needle connector, be equipped with multiunit spring mounting hole 9 on the book needle connector 2, it wherein two sets of respectively through to roll up needle pressure spring 7 spring mounting hole 9 with needle 302 tail end connection in the first interior needle 301, the second, roll up needle main leaf 303 afterbody be equipped with multiunit spring mounting hole 9 wherein two sets of communicating round holes 10 that correspond, it wherein two sets of respectively locate to roll up needle pressure spring 7 round holes 10 and spring mounting hole 9, first interior needle 301 and second 302 in under the promotion of rolling up needle pressure spring 7 with it opens to roll up needle connector round pin 6 for the center rotation one-tenth splayed, roll up needle main leaf 303 and attach piece 304 in under the promotion of rolling up needle pressure spring 7 with it is center rotation is received to roll up needle round pin 6 for the center Contracted into an inner eight character.
The working principle of the invention is as follows:
before the needle winding assembly 3 penetrates through the diaphragm, the first inner needle 301 and the second inner needle 302 rotate to form a splayed opening by taking the needle winding connector pin 6 as a center under the pushing of the needle winding pressure spring 7, and the needle winding main piece 303 and the auxiliary pieces 304 at two sides rotate to contract to form an inner splayed opening by taking the needle winding connector pin 6 as a center under the pushing of the needle winding pressure spring 7. After the needle winding assembly 3 penetrates into the diaphragm, the needle nozzle 4 moves rightwards to be sleeved into the head of the needle winding assembly 3 and pushes the first inner needle 301 and the second inner needle 302 to clamp the diaphragm, the needle winding main piece 303 and the auxiliary piece 304 are opened to be parallel, winding is carried out, after winding is finished, the needle nozzle 4 moves leftwards to be separated from the head of the needle winding assembly 3, the first inner needle 301 and the second inner needle 302 rotate to be splayed and opened by taking the needle winding connector pin 6 as a center under the pushing of the needle winding pressure spring 7, the needle winding main piece 303 and the auxiliary piece 304 rotate to be contracted to be splayed by taking the needle winding connector pin 6 as a center under the pushing of the needle winding pressure spring 7, and the needle winding assembly moves rightwards to finish winding. The inserted sheet 8 is arranged at the position of the winding needle connector 2, after the electric core is wound for several circles, the inserted sheet 8 pushes the electric core to the winding position to be continuously wound, the deformation of the electric core in subsequent processes is reduced, and after the winding is completed, the inserted sheet 8 returns to the right.
The applicant further states that the present invention is described in the above embodiments to explain the implementation method and device structure of the present invention, but the present invention is not limited to the above embodiments, i.e. it is not meant to imply that the present invention must rely on the above methods and structures to implement the present invention. It should be understood by those skilled in the art that any modifications to the present invention, the addition of equivalent alternatives to the embodiments of the present invention and steps, the selection of specific modes, etc., are within the scope of the present invention and the disclosure.
The present invention is not limited to the above embodiments, and all embodiments adopting the similar structure and method to achieve the object of the present invention are within the protection scope of the present invention.

Claims (4)

1. A novel needle rolling mechanism is characterized by comprising a structural main body, wherein the structural main body comprises a needle rolling connector, a needle rolling assembly and a needle nozzle, the needle nozzle is arranged at the head end of the needle rolling assembly, the needle rolling connector is arranged at the tail end of the needle rolling assembly, the needle rolling assembly comprises a first inner needle, a second inner needle, a needle rolling main sheet and auxiliary sheets, the first inner needle and the second inner needle are vertically overlapped, the needle rolling main sheet is respectively sleeved on the first inner needle and the second inner needle, the auxiliary sheets are arranged on the two needle rolling main sheets through pins, a plurality of needle rolling connector pins and needle rolling pressure springs are arranged in the needle rolling connector, the first inner needle and the second inner needle are driven by the needle rolling pressure springs to rotate around the needle rolling connector pins as the center to realize opening, and the needle rolling main sheet and the auxiliary sheets are driven by the needle rolling connector pins as the center to rotate to realize contraction, the interior of the needle coiling connector is also penetrated with an inserting piece.
2. The novel needle winding mechanism according to claim 1, wherein the first inner needle, the second inner needle and the main winding sheet tail end are embedded into the needle winding connector and pass through the needle winding connector pin and the needle winding connector respectively, a fixed block is arranged in the needle winding connector, a plurality of groups of spring mounting holes are arranged on the needle winding connector, two groups of spring mounting holes are arranged on the needle winding spring, the spring mounting holes are connected with the first inner needle and the second inner needle tail end, the main winding sheet tail is provided with a round hole which is communicated with the spring mounting holes, two groups of spring mounting holes are arranged in the round hole and the spring mounting holes respectively, the first inner needle and the second inner needle are driven by the needle winding spring to rotate to form a splayed opening by taking the needle winding connector pin as a center, the needle winding sheet and the auxiliary sheet are driven by the needle winding spring to take the needle winding pin as a center The heart rotates and contracts into an inner eight-character shape.
3. The novel needle winding mechanism according to claim 1, wherein after the needle winding assembly penetrates the septum, the needle nozzle moves rightward to be sleeved into the needle winding assembly head, the first inner needle and the second inner needle are pushed to clamp the septum, the needle winding main piece and the auxiliary piece are opened to be parallel, winding is performed, after winding is completed, the needle nozzle moves leftward to be separated from the needle winding assembly head, the first inner needle and the second inner needle rotate to be splayed by taking the needle winding connector pin as a center under the pushing of the needle winding pressure spring, the needle winding main piece and the auxiliary piece rotate to be contracted to be splayed by taking the needle winding connector pin as a center under the pushing of the needle winding pressure spring, and the needle winding assembly moves rightward to complete winding.
4. The novel winding needle mechanism as claimed in claim 1, wherein the insertion piece is arranged at the winding needle connector, the insertion piece is pushed leftwards to the winding position to continue winding, and after winding is completed, the insertion piece is withdrawn rightwards.
CN202011128808.XA 2020-10-20 2020-10-20 Novel needle winding mechanism Pending CN112117500A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011128808.XA CN112117500A (en) 2020-10-20 2020-10-20 Novel needle winding mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011128808.XA CN112117500A (en) 2020-10-20 2020-10-20 Novel needle winding mechanism

Publications (1)

Publication Number Publication Date
CN112117500A true CN112117500A (en) 2020-12-22

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ID=73794106

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011128808.XA Pending CN112117500A (en) 2020-10-20 2020-10-20 Novel needle winding mechanism

Country Status (1)

Country Link
CN (1) CN112117500A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112635850A (en) * 2020-12-30 2021-04-09 东莞泓宇智能装备有限公司 Winding needle rotating dislocation needle drawing structure of lithium battery sheet-making winding machine and method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112635850A (en) * 2020-12-30 2021-04-09 东莞泓宇智能装备有限公司 Winding needle rotating dislocation needle drawing structure of lithium battery sheet-making winding machine and method thereof
CN112635850B (en) * 2020-12-30 2022-06-17 东莞泓宇智能装备有限公司 Winding needle rotating dislocation needle drawing structure of lithium battery sheet-making winding machine and method thereof

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CB02 Change of applicant information

Address after: 523000 Room 101, building 1, No. 15, Chang'an Xingfa South Road, Chang'an Town, Dongguan City, Guangdong Province

Applicant after: DONGGUAN HEMING MACHINERY Co.,Ltd.

Address before: 3 / F, building a, 130 Bubugao Road, Wusha community, Chang'an Town, Dongguan City, Guangdong Province 523000

Applicant before: DONGGUAN HEMING MACHINERY Co.,Ltd.

CB02 Change of applicant information