CN219513177U

CN219513177U - Novel lithium ion battery winder

Info

Publication number: CN219513177U
Application number: CN202320586696.5U
Authority: CN
Inventors: 杜方庆; 杜祥宇; 周翔; 郑倩
Original assignee: Henan Fangxin New Energy Technology Co ltd
Current assignee: Henan Fangxin New Energy Technology Co ltd
Priority date: 2023-03-23
Filing date: 2023-03-23
Publication date: 2023-08-11
Anticipated expiration: 2033-03-23

Abstract

The utility model discloses a novel lithium ion battery winder which comprises a frame, wherein a disc is arranged on the inner side of the lower end of a side plate of the frame, a winding disc is arranged on the outer side of the disc, a plurality of winding needles are arranged on the outer side of the winding disc in a surrounding mode, a motor is arranged on the outer side of the lower end of the side plate of the frame, the output end of the motor penetrates through the inner side of the side plate of the frame and is connected with the center of the inner side of the disc, a top plate is fixed on the inner side of the upper end of the side plate of the frame, a hydraulic cylinder is fixed in the middle of the top plate, the output end of the hydraulic cylinder penetrates through the bottom of the top plate and is fixed with a suspension, a compression roller is fixed on the bottom of the suspension, and an arc-shaped pressing block is arranged on the outer side of the bottom end of the compression roller. This novel lithium ion battery winder can carry out real-time pressurization flattening to the electric core at the winding in-process, avoids the phenomenon that the electric core appears the fold easily to improve the quality of lithium ion battery preparation.

Description

Novel lithium ion battery winder

Technical Field

The utility model relates to the technical field of lithium ion battery processing, in particular to a novel lithium ion battery winding machine.

Background

Lithium ion batteries are rechargeable batteries that use lithium ions as charge carriers and the electrolyte is an organic solvent or a polymer gel. The lithium ion battery has the advantages of high energy density, high voltage, long service life, low self-discharge rate and the like, and is widely applied to the fields of mobile equipment, electric automobiles, energy storage systems and the like at present. With the continuous application of new technologies and new materials, lithium ion batteries are more widely applied, and the role in the energy field is more and more important.

The winding of the lithium ion battery cell is one of key links of lithium ion battery manufacturing, indexes such as winding tension control precision, winding speed and yield directly determine battery performance, the conventional lithium ion battery winding machine is complex and complicated in structure, and a mechanism for pressurizing and leveling the cell in real time is basically lacked in the winding process, so that the cell is easy to wrinkle in the winding process, and the manufacturing quality of the lithium ion battery is affected.

Disclosure of Invention

The utility model aims to provide a novel lithium ion battery winding machine, which aims to solve the problem that the existing lithium ion battery winding machine provided by the background art is basically lack of a mechanism for carrying out real-time pressurization leveling on a battery cell in the winding process, so that the phenomenon of wrinkling of the battery cell easily occurs in the winding process.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel lithium ion battery winder, includes the frame, the inboard of frame curb plate lower extreme is equipped with the disc, the coiling dish is installed in the outside of disc, the outside of coiling dish is encircleed and is installed a plurality of and is rolled up the needle, just the motor is installed in the outside of frame curb plate lower extreme, the output of motor runs through to the inboard of frame curb plate and is connected with the inboard center department of disc, just the inboard of frame curb plate upper end is fixed with the roof, the centre at roof top is fixed with the pneumatic cylinder, the output of pneumatic cylinder runs through to the bottom of roof and is fixed with the suspension, the bottom of suspension is fixed with the compression roller, the outside of compression roller bottom is equipped with the arc briquetting.

Preferably, a plurality of pressing strips are arranged on the inner wall of the arc pressing block in a surrounding manner, a plurality of arc-shaped notches matched with the pressing strip structure are arranged on the outer wall of the bottom end of the pressing roller, and elastic pads are adhered and fixed in the arc-shaped notches on the outer wall of the bottom end of the pressing roller.

Preferably, a plurality of spring pieces are further connected between the outer wall of the bottom end of the pressing roller and the inner wall of the arc-shaped pressing block, and the spring pieces are located at gaps among the pressing strips.

Preferably, the back side of the disc is fixed with an annular sliding block, and the inner side of the lower end of the side plate of the frame is provided with an annular sliding seat matched with the annular sliding block structure.

Preferably, the outside of disc is equipped with circular notch, just the circular notch outside is gone up and is all interlude through the helicitic texture in the middle of both ends about, and the one end that adjusting bolt is located the circular notch of disc is fixed with the grip block for arc structure.

Preferably, the two sides of the joint of the adjusting bolt and the disc are respectively provided with a sliding rod in a sliding and penetrating way, and one end of the sliding rod positioned in the circular notch of the disc is connected with the back side of the clamping block.

Compared with the prior art, the utility model has the beneficial effects that: this novel lithium ion battery winder can carry out real-time pressurization flattening to the electric core at the winding in-process, avoids the phenomenon that the electric core appears the fold easily to improve the quality of lithium ion battery preparation. This novel lithium ion battery winder is through setting up the arc briquetting in the top of rolling up the needle, when the coiling dish is rotatory to drive the needle of rolling up and is circular motion to the electricity core when coiling processing, the pneumatic cylinder can drive the suspension through the drive and impel downwards, can drive the arc briquetting pressfitting through the compression roller when impelling downwards on the electricity core outer wall of rolling up the needle coiling, the arc briquetting can carry out effectual pressurization flattening to the electricity core through the flexible coupling mechanism between with the compression roller.

Drawings

FIG. 1 is a schematic diagram of a novel lithium ion battery winder;

FIG. 2 is a schematic diagram of a connection structure between an arc-shaped pressing block and a pressing roller of the novel lithium ion battery winding machine;

FIG. 3 is a schematic diagram of a connection structure between a winding disc and a disc of a novel lithium ion battery winding machine;

fig. 4 is a schematic diagram of an inner side overlooking structure of an arc-shaped pressing block of the novel lithium ion battery winder.

In the figure: 1. a frame; 2. a disc; 3. a motor; 4. a winding disc; 5. a winding needle; 6. an annular slide block; 7. a hydraulic cylinder; 8. a top plate; 9. a suspension; 10. a press roller; 11. an arc-shaped pressing block; 12. pressing strips; 13. an elastic pad; 14. a spring member; 15. a clamping block; 16. an adjusting bolt; 17. and a slide bar.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the novel lithium ion battery winder comprises a frame 1, wherein a disc 2 is arranged on the inner side of the lower end of a side plate of the frame 1, a winding disc 4 is detachably arranged on the outer side of the disc 2, a plurality of winding needles 5 are fixedly arranged on the outer side of the winding disc 4 in a surrounding manner through screws, a motor 3 is fixedly arranged on the outer side of the lower end of the side plate of the frame 1 through a support plate, the output end of the motor 3 penetrates through the inner side of the side plate of the frame 1 and is connected with the center of the inner side of the disc 2, a top plate 8 is fixedly welded on the inner side of the upper end of the side plate of the frame 1, a hydraulic cylinder 7 is fixedly arranged in the middle of the top plate 8 through a bolt, the output end of the hydraulic cylinder 7 penetrates through the bottom of the top plate 8 and is fixedly provided with a suspension 9, a compression roller 10 is fixedly arranged on the bottom of the suspension 9, an arc pressing block 11 is arranged on the outer side of the bottom end of the compression roller 10, the motor 3 with the structure can drive the disc 2 to rotate through driving the outer side of the frame 1, the disc 2 can drive the winding needle 5 to do circular motion to wind the battery core through the winding disc 4 when rotating, the hydraulic cylinder 7 can drive the suspension 9 to push downwards at the bottom of the top plate 8 through driving, the arc pressing block 11 can be driven by the press roll 10 to press on the outer wall of the battery core wound by the winding needle 5 when the suspension 9 pushes downwards, thus the arc pressing block 11 can pressurize and level the battery core in real time, the phenomenon of wrinkling easily occurs in the process of winding the battery core is avoided, the manufacturing quality of the lithium ion battery is improved, a plurality of press strips 12 are fixedly welded on the inner wall of the arc pressing block 11 in a surrounding way, a plurality of arc notches which are identical with the structure of the press strips 12 are arranged on the outer wall of the bottom end of the press roll 10, elastic pads 13 are fixedly adhered in the arc notches on the outer wall of the bottom end of the press roll 10, the elastic pads 13 are made of elastic sponge materials, the structure can drive a plurality of pressing strips 12 to extend into an arc notch on the outer wall of the bottom end of a press roller 10 to press an elastic pad 13 after the arc pressing block 11 is stressed when the electric core is pressed, so that the arc pressing block 11 can flexibly press and contact with the electric core under the elastic acting force of the elastic pad 13 to improve the effect of pressing the electric core, a plurality of spring pieces 14 are further connected between the outer wall of the bottom end of the press roller 10 and the inner wall of the arc pressing block 11, the spring pieces 14 are positioned at the gap between the pressing strips 12, the spring pieces 14 of the structure can play a limiting role between the arc pressing block 11 and the press roller 10, the arc pressing block 11 can also drive the spring pieces 14 to compress after being stressed when the electric core is pressed, the elastic acting force born by the arc pressing block 11 is enhanced, the effect of pressing the electric core is further improved, the annular sliding block 6 is fixed on the back side of the disc 2, the annular slide block 6 and the disc 2 form an integral structure, the inner side of the lower end of the side plate of the frame 1 is provided with an annular slide seat matched with the annular slide block 6 in structure, the disc 2 of the structure can drive the annular slide block 6 to slide in the annular slide seat of the lower end of the side plate of the frame 1 in the rotating process, so that the stability of the disc 2 in the rotating process is improved, the accuracy of the winding needle 5 in winding a battery cell is ensured, the outer side of the disc 2 is provided with a circular notch, the middle of the upper end and the lower end of the circular notch on the outer side of the disc 2 is penetrated with an adjusting bolt 16 through a thread structure, one end of the adjusting bolt 16 positioned in the circular notch of the disc 2 is fixedly provided with a clamping block 15 with an arc-shaped structure, the opening direction of the clamping block 15 is corresponding, the winding disc 4 of the structure can be arranged in the circular notch on the outer side of the disc 2 in a centered manner, and adjusting bolt 16 can rotate through the helicitic texture and drive clamping block 15 and impel in the circular notch in the disc 2 outside each other to play the fixed effect of centre gripping to the upper and lower both ends of coiling dish 4, thereby make disc 2 can be suitable for the coiling dish 4 of installation different specification sizes, application scope is wider, the both sides of adjusting bolt 16 and disc 2 junction all slide and alternate and have slide bar 17, and slide bar 17 is located the inside one end of circular notch of disc 2 and is connected with clamping block 15 dorsal part, the adjusting bolt 16 of this structure drives the clamping block 15 and can drive slide bar 17 when the circular notch displacement in the disc 2 outside in step, this makes slide bar 17 can play the fixed effect of centre gripping to clamping block 15, avoid clamping block 15 to take place rotatory influence to the normal centre gripping of coiling dish 4.

Working principle: when using this novel lithium ion battery coiler, firstly place disc 2 outside circular notch in with coiling dish 4 placed in the middle, then rotate two adjusting bolt 16 respectively, can drive clamping block 15 in the circular notch in the disc 2 outside when adjusting bolt 16 rotates through the helicitic texture each other impels, until clamping block 15 carries out the centre gripping to the upper and lower both ends of coiling dish 4 fixedly, and clamping block 15 also can drive slide bar 17 simultaneously when the displacement and slide, slide bar 17 can carry out spacing when the displacement of clamping block 15 like this, when motor 3 drives disc 2 rotation in the outside of frame 1, disc 2 can drive annular slider 6 and slide in the annular slide of frame 1 curb plate lower extreme in the rotatory in-process, and the accessible coiling dish 4 drives needle 5 and carry out the coiling processing to the electric core, at this moment start hydraulic cylinder 7, can drive suspension 9 and impel downwards in the bottom of roof 8 when the hydraulic cylinder 7 drive, can drive arc briquetting 11 through compression roller 10 on the electric core outer wall that needle 5 was coiled, can carry out the compression by the time 12 when arc briquetting 11 to electric core compression, can stretch into the electric core 13 and stretch into the electric pad 13 in the arc spring 13 and the elastic compression spring in the time, the elastic compression spring is pressed down between the arc pad 13 and the elastic compression spring 13 is accomplished to the arc pad.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a novel lithium ion battery winder, includes frame (1), its characterized in that: the inside of frame (1) curb plate lower extreme is equipped with disc (2), coiling dish (4) are installed in the outside of disc (2), coiling dish (4) outside is encircleed and is installed a plurality of and is rolled up needle (5), just motor (3) are installed in the outside of frame (1) curb plate lower extreme, the output of motor (3) runs through to the inboard of frame (1) curb plate and is connected with the inboard center department of disc (2), just the inboard of frame (1) curb plate upper end is fixed with roof (8), the centre at roof (8) top is fixed with pneumatic cylinder (7), the output of pneumatic cylinder (7) runs through to the bottom of roof (8) and is fixed with suspension (9), the bottom of suspension (9) is fixed with compression roller (10), the outside of compression roller (10) bottom is equipped with arc briquetting (11).

2. The novel lithium ion battery winder as claimed in claim 1, wherein: the inner wall of the arc-shaped pressing block (11) is provided with a plurality of pressing strips (12) in a surrounding mode, the outer wall of the bottom end of the pressing roll (10) is provided with a plurality of arc-shaped notches which are matched with the pressing strips (12) in structure, and elastic pads (13) are fixedly bonded in the arc-shaped notches on the outer wall of the bottom end of the pressing roll (10).

3. The novel lithium ion battery winder as claimed in claim 1, wherein: a plurality of spring pieces (14) are further connected between the outer wall of the bottom end of the pressing roller (10) and the inner wall of the arc pressing block (11), and the spring pieces (14) are located at gaps among the pressing strips (12).

4. The novel lithium ion battery winder as claimed in claim 1, wherein: the back side of the disc (2) is fixed with an annular sliding block (6), and the inner side of the lower end of the side plate of the frame (1) is provided with an annular sliding seat matched with the annular sliding block (6) in structure.

5. The novel lithium ion battery winder as claimed in claim 1, wherein: the circular notch is formed in the outer side of the disc (2), adjusting bolts (16) are inserted into the middle of the upper end and the lower end of the circular notch in the outer side of the disc (2) through threaded structures, and clamping blocks (15) with arc structures are fixed at one ends of the adjusting bolts (16) located in the circular notch of the disc (2).

6. The novel lithium ion battery winder as claimed in claim 5, wherein: the two sides of the joint of the adjusting bolt (16) and the disc (2) are respectively inserted with a sliding rod (17) in a sliding way, and one end of the sliding rod (17) positioned in the circular notch of the disc (2) is connected with the back side of the clamping block (15).