CN213150856U

CN213150856U - Novel needle winding mechanism

Info

Publication number: CN213150856U
Application number: CN202022347847.0U
Authority: CN
Inventors: 黄立斌; 柳杰
Original assignee: Dongguan Heming Machinery Co ltd
Current assignee: Dongguan Heming Machinery Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-05-07
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses a novel needle rolling mechanism, which comprises a structure main body, wherein the structure 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 utility model discloses a book needle mechanism simple structure, installation location are reliable, strong to the tight stability of clamp of diaphragm, and this book needle still has the inserted sheet function simultaneously, walks around several rings of back inserted sheets at electric core book and releases, then continues to convolute, has reduced electric core and has guaranteed the quality of electric core at the deformation of follow-up process.

Description

Novel needle winding mechanism

Technical Field

The utility model relates to a lithium ion battery's electric core coiling technical field especially relates to a novel roll up 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 circumstances.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel book needle mechanism effectively solves above-mentioned technical problem.

For effectively solving the technical problem, the utility model discloses the technical scheme who takes 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.

Particularly, a fixing block is arranged in the needle rolling connector, and the fixing block is positioned at the tail ends of the first inner needle and the second inner needle.

It is special, be equipped with multiunit spring mounting hole on rolling up the needle connector, the needle tail end connection in needle, the second in the first needle, the needle tail end connection in needle, the needle main leaf afterbody of rolling up is equipped with multiunit spring mounting hole wherein two sets of communicating round holes that correspond, the needle pressure spring is located respectively in round hole and the spring mounting hole in the other two sets of round holes and the spring mounting hole of rolling up to the multiunit.

The utility model has the advantages that: the utility model provides a pair of novel roll up needle mechanism, needle mouth and the cooperation motion of rolling up needle pressure spring for but roll up needle mechanism whole activity, simplified the coiling action, can high-efficient, coiling electric core reliably, improved production efficiency and technical level, this roll up needle mechanism still has the inserted sheet function simultaneously, and the inserted sheet is released after coiling several rings, then continues to coil, has reduced electric core and has out of shape at follow-up process.

Drawings

Fig. 1 is an exploded view of the structure of the present invention.

Fig. 2 is a schematic view of the overall structure of the present invention.

Fig. 3 is a schematic structural view of the needle rolling assembly of the present invention before it passes through the septum.

Fig. 4 is a schematic structural view of the needle rolling assembly of the present invention after passing through the septum.

Fig. 5 is a schematic structural view of the needle winding mechanism after the middle winding of the utility model is completed.

Fig. 6 is a schematic structural view of the middle insert sheet of the present invention during pushing.

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, the following detailed description of the present invention is provided in connection with the accompanying 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 utility model discloses the theory of operation does:

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 by the above embodiments, but the present invention is not limited to the above embodiments, i.e. the present invention is not limited to the above embodiments, and the present invention can be implemented only by relying on the above methods and structures. It should be clear to the skilled person in the technical field that to any improvement of the utility model, it is right the utility model discloses the interpolation of the realization method equivalent replacement and step, the selection of concrete mode etc. of selecting for use all fall within the scope of protection and the disclosure scope of the utility model.

The utility model discloses not limited to above-mentioned embodiment, all adopt with the utility model discloses similar structure and method realize the utility model discloses all embodiments of purpose are in the utility model discloses within the protection scope.

Claims

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 as claimed in claim 1, wherein the first inner needle, the second inner needle and the tail end of the main piece of the winding needle are all embedded in the needle winding connector and are respectively connected with the needle winding connector through the needle winding connector pin.

3. The novel needle winding mechanism as claimed in claim 1, wherein a fixed block is provided in the needle winding connector, and the fixed block is located at the tail end of the first inner needle and the second inner needle.

4. The novel needle winding mechanism according to claim 1, wherein a plurality of spring mounting holes are formed in the needle winding connector, two of the plurality of needle winding compression springs are respectively connected with the first inner needle and the second inner needle through the spring mounting holes, the tail portion of the needle winding main piece is provided with circular holes corresponding to and communicating with the two of the plurality of spring mounting holes, and the other two of the plurality of needle winding compression springs are respectively arranged in the circular holes and the spring mounting holes.