CN218241930U

CN218241930U - Roll up needle mechanism and winder

Info

Publication number: CN218241930U
Application number: CN202221509273.5U
Authority: CN
Inventors: 不公告发明人
Original assignee: Guangdong Lyric Robot Intelligent Automation Co Ltd
Current assignee: Guangdong Lyric Robot Automation Co Ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2023-01-06
Anticipated expiration: 2032-06-16

Abstract

The utility model provides a needle winding mechanism and a winding machine, which comprises a first needle winding part; the first needle rolling part and the second needle rolling part are coaxially arranged; the driving piece is used for driving one of the first needle winding piece and the second needle winding piece to enable the second needle winding piece and the first needle winding piece to generate relative displacement along the axial direction, and then the first needle winding piece and the second needle winding piece are combined to form a shaft body. The utility model provides a pair of roll up needle mechanism can coil the multiunit utmost point group simultaneously, improves winding efficiency, realizes two-way needle drawing simultaneously through the cooperation of driving piece, can prevent utmost point inter block portion skew in reducing friction power, improves the coiling quality.

Description

Roll up needle mechanism and winder

Technical Field

The application relates to the technical field of battery core manufacturing, in particular to a winding needle mechanism and a winding machine.

Background

In recent years, with the increasing demand of the capacity of lithium ion batteries, the efficiency requirement of people on battery production equipment is increased continuously, the advantages of stable performance, high manufacturing efficiency and the like of winding type battery cores are adopted by the lithium battery enterprises, the proportion of the winding type battery cores in the market is high, and the corresponding demand of a battery winder is high.

In the winding lithium ion battery production process, need diaphragm and positive and negative pole piece to wind through rolling up the needle, adopt a pair to roll up a needle winding utmost point group at present mostly, production efficiency is low, and the utmost point group frictional force after rolling up simultaneously is very big, is difficult to the pin-drawing, and the needle of rolling up that adopts at present all adopts the unilateral pin-drawing, and the diaphragm or the pole piece in the pin-drawing in-process utmost point group are easily taken partially, cause utmost point group alignment degree unsatisfactory, lead to the defective products to appear.

SUMMERY OF THE UTILITY MODEL

The to-be-solved volume technical problem of the utility model lies in overcoming coiling needle drawing difficulty, defective products height among the prior art, thereby can't satisfy the defect of production demand and provide a roll up needle mechanism and winder.

The utility model discloses still provide one kind including above-mentioned winding mechanism and winder.

According to the utility model discloses winding mechanism of first aspect embodiment includes:

a first winder member;

the first needle rolling part and the second needle rolling part are coaxially arranged;

the first driving piece is used for driving one of the first needle winding piece and the second needle winding piece to enable the second needle winding piece and the first needle winding piece to generate relative displacement along the axial direction, and then the first needle winding piece and the second needle winding piece are involuted to form a shaft body.

According to the utility model discloses a roll up needle mechanism of first aspect embodiment still includes first mount pad, second mount pad

First book needle spare set up in first mount pad, second book needle spare set up in the second mount pad.

Furthermore, the first needle rolling component and the second needle rolling component can be matched to simultaneously wind at least two groups of pole groups.

Furthermore, the second needle rolling part further comprises a plurality of stitches, and the plurality of stitches are uniformly distributed on the circumference of the first needle rolling part under the condition that the first needle rolling part and the second needle rolling part are combined to form the shaft body.

Furthermore, the number of the pins corresponds to the number of the pole pieces with the same polarity.

Further, the winding device further comprises a second driving member, and the second driving member is used for driving the other one of the first winding needle member and the second winding needle member.

Furthermore, one of the first needle winding piece and the second needle winding piece is a polyhedron, the other is the profile modeling of one of the first needle winding piece and the second needle winding piece, and the first needle winding piece and the second needle winding piece are combined to form the shaft body.

Furthermore, one of the first needle winding piece and the second needle winding piece is a cylinder, and the other one is the profile modeling of one of the first needle winding piece and the second needle winding piece, and the first needle winding piece and the second needle winding piece are combined to form a shaft body.

Further, the driving member and the second driving member drive the first needle winding member and the second needle winding member to move close to or away from each other.

According to the application, the winding machine comprises the winding mechanism.

Drawings

The above and/or additional aspects and advantages of the present application will become more apparent and readily appreciated from the following description of the embodiments taken in conjunction with the accompanying drawings, in which:

fig. 1 is a schematic structural view of a first needle winding member according to embodiment 1 of the present invention.

Fig. 2 is a combined cross-sectional view of a first needle winding member and a second needle winding member according to embodiment 1 of the present invention.

FIG. 3 is a sectional view showing the axial combination of the first needle winding member and the second needle winding member according to embodiment 1 of the present invention

FIG. 4 is a sectional view showing the combination of the first needle winding member and the second needle winding member according to embodiment 2 of the present invention

FIG. 5 is a cross-sectional view of the first needle winding member and the second needle winding member according to embodiment 3 of the present invention

The reference numbers illustrate: first needle winding piece 10, first mounting seat 11, needle sleeve 12, second needle winding piece 13, second mounting seat 14, first driving piece 15, second driving piece 16, septum 20 and pin 131

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The above terms may be understood by those of ordinary skill in the art as appropriate

The specific meanings in the present invention.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

As shown in fig. 1-3, the needle winding mechanism of the present invention mainly includes a first needle winding element 10, a second needle winding element 13, and a first driving element 15, wherein the first needle winding element 10 and the second needle winding element 13 are coaxially disposed, and the first driving element 15 is connected to one of the first needle winding element 10 and the second needle winding element 13, and is used for driving to cause the second needle winding element 13 and the first needle winding element 10 to generate a relative displacement in the axial direction, so as to make the first needle winding element 10 and the second needle winding element 13 involute to form an axle body. The specific diaphragm 20 passes through the space between the first needle winding element 10 and the second needle winding element 13, the first needle winding element 10 and the second needle winding element 13 are driven to rotate through the third driving element 17 for winding, single-group pole piece winding or more than two groups of pole pieces can be performed on the surfaces of the first needle winding element 10 and the second needle winding element 13, and multiple groups of pole groups are formed.

The utility model discloses a roll up needle mechanism still includes second driving piece 16, and second driving piece 16 is connected first volume needle 10 and second and is rolled up one of them of needle 13 and the cooperation of first driving piece 15, and the needle is taken out in step after the completion is convoluteed to utmost point group, prevents that the skew takes place for utmost point internal diaphragm or pole piece of group that one-way needle of taking out brought, and both take out the needle simultaneously and compensate on the other side under the circumstances of skew on one side, improve the alignment degree after convoluteing, improve the yields.

The needle winding mechanism further comprises a first mounting seat 11, a second mounting seat 14, a first needle winding member 10 arranged on the first mounting seat 11, a second needle winding member 13 arranged on the second mounting seat 14, in some embodiments, a first driving member 15 connected with the second mounting seat 14, a second driving member 16 connected with the first mounting seat 11, the first driving member 15 and the second driving member 16 synchronously move to perform bidirectional needle drawing after winding, the first driving member 15 can also be used for connecting the first mounting seat 11, and the second driving member 16 is connected with the second mounting seat 14 for simple conversion.

Referring again to fig. 1-3 shown, the utility model discloses a stitch 131 that first volume needle 10 and second rolled up one in the needle 13 in the needle mechanism is two at least, the quantity of stitch 131 is corresponding with homopolar pole piece quantity, the second is rolled up needle 13 and is preferred to choose for use two stitches 131, this kind of mode can be convoluteed two polar groups simultaneously, the pan feeding of two kinds of homopolar pole pieces is realized through the clearance of two stitches 131, two pole pieces are 180 and distribute, if there is three homopolar pole piece then to be 120 and distribute, make two pole piece titles in the position of difference, guarantee pole piece evenly distributed on rolling up the needle circumference, guarantee the size of polar group, improve the yields.

Example 2

Please refer to fig. 4 to describe another embodiment of the present invention, which mainly includes a first needle winding element 10, a second needle winding element 13 and a first driving element 15, wherein the first needle winding element 10 and the second needle winding element 13 are coaxially disposed, and the first driving element 15 is connected to one of the first needle winding element 10 and the second needle winding element 13, and is used for driving to make the second needle winding element 13 and the first needle winding element 10 generate relative displacement along the axial direction, so that the first needle winding element 10 and the second needle winding element 13 are involuted to form an axle body. The specific diaphragm 20 passes through the space between the first needle winding element 10 and the second needle winding element 13, the first needle winding element 10 and the second needle winding element 13 are driven to rotate through the third driving element 17 for winding, single-group pole piece winding or more than two groups of pole pieces can be performed on the surfaces of the first needle winding element 10 and the second needle winding element 13, and multiple groups of pole groups are formed.

The distinguishing feature of example 2 is: one of them of first book needle 10 and second book needle 13 is the cylinder, and the other is the profile modeling of complex with it, and stitch 131 quantity is 2, therefore this embodiment 2 can go into 2 pole pieces of the same type simultaneously, and the pole piece is 180 and distributes, guarantees pole piece evenly distributed on rolling up the needle circumference, guarantees the size of utmost point group, improves the yields.

Example 3

Please refer to fig. 5 to describe another embodiment of the present invention, which mainly includes a first needle winding element 10, a second needle winding element 13 and a first driving element 15, wherein the first needle winding element 10 and the second needle winding element 13 are coaxially disposed, the first driving element 15 is connected to one of the first needle winding element 10 and the second needle winding element 13, and is used for driving to make the second needle winding element 13 and the first needle winding element 10 relatively displace along the axial direction, so that the first needle winding element 10 and the second needle winding element 13 are involuted to form a shaft body. The specific diaphragm 20 penetrates between the first needle winding piece 10 and the second needle winding piece 13, the first needle winding piece 10 and the second needle winding piece 13 are driven to rotate through the third driving piece 17 to wind, single-group pole piece winding or more than two groups of pole pieces can be conducted on the surfaces of the first needle winding piece 10 and the second needle winding piece 13 to wind simultaneously, and multiple groups of pole pieces are formed.

The distinguishing feature of example 3 is: one of them is the polyhedron of first book needle 10 and second book needle 13, and the profile modeling of the other with it complex, and stitch 131 quantity is 4, therefore 4 pole pieces of the same type can be gone into simultaneously to this embodiment 3, and the pole piece is 60 and distributes, guarantees pole piece evenly distributed on rolling up the needle circumference, guarantees the size of utmost point group, improves the yields.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. A needle winding mechanism, comprising:

a first winder member (10);

the first needle winding part (10) and the second needle winding part (13) are coaxially arranged;

the first driving piece (15) is used for driving one of the first needle winding piece (10) and the second needle winding piece (13) to enable the second needle winding piece (13) and the first needle winding piece (10) to generate relative displacement along the axial direction, and therefore the first needle winding piece (10) and the second needle winding piece (13) are combined to form a shaft body.

2. The needle winding mechanism according to claim 1, further comprising a first mounting seat (11) and a second mounting seat (14), wherein the first needle winding member (10) is disposed on the first mounting seat (11), and the second needle winding member (13) is disposed on the second mounting seat (14).

3. The needle winding mechanism according to claim 1, characterized in that the first needle winding member (10) and the second needle winding member (13) are adapted to wind at least two sets of pole groups simultaneously.

4. The needle winding mechanism according to claim 1, characterized in that the second needle winding member (13) further comprises a plurality of stitches (131), and the plurality of stitches (131) are uniformly distributed in the circumferential direction of the first needle winding member (10) when the first needle winding member (10) and the second needle winding member (13) are involuted to form the shaft body.

5. Winding needle mechanism according to claim 4, characterized in that the number of stitches (131) corresponds to the number of like-polarity pole pieces.

6. The needle winding mechanism according to claim 1, further comprising a second drive member (16), the second drive member (16) being adapted to drive the other of the first needle winding member (10) and the second needle winding member (13).

7. The needle winding mechanism according to claim 1, characterized in that one of the first needle winding member (10) and the second needle winding member (13) is a polyhedron, and the other is a contour of one of the first needle winding member (10) and the second needle winding member (13), and the two are combined to form a shaft.

8. The needle winding mechanism according to claim 1, wherein one of the first needle winding member (10) and the second needle winding member (13) is a cylinder, and the other is a profile of one of the first needle winding member (10) and the second needle winding member (13), and the two are combined to form a shaft.

9. The needle winding mechanism according to claim 6, characterized in that the first driving member (15) and the second driving member (16) are used for driving the first needle winding member (10) and the second needle winding member (13) to approach or move away from each other.

10. A winding machine characterized by: the winding machine comprises the needle winding mechanism according to any one of claims 6 to 9.