CN214123951U

CN214123951U - Lithium battery winding machine capable of being positioned

Info

Publication number: CN214123951U
Application number: CN202022234240.1U
Authority: CN
Inventors: 赵晓
Original assignee: Zhejiang Hongtong Power Supply Technology Co ltd
Current assignee: Zhejiang Hongtong Power Supply Technology Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-09-03
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a lithium battery winding machine that can fix a position, the on-line screen storage device comprises a base, the machine case, the positive plate, diaphragm and negative pole piece, quick-witted case fixed placement is on the base, quick-witted incasement is provided with two driving motor, the diaphragm sets up along self middle part fifty percent discount, the positive plate is placed in the inner chamber that forms behind the diaphragm fifty percent discount, the negative pole piece is placed in the upper surface behind the diaphragm fifty percent discount, still include the rest pad on the base, the driving piece, first subassembly that flattens, the setting element, the first subassembly that flattens, the setting element, the length direction of the up end of rest pad is set gradually along the slider, the setting element is used for the positive plate, the diaphragm, the negative pole piece is placed and is fixed a position when the rest pad, the slider is used for driving the setting element and slides on the rest pad.

Description

Lithium battery winding machine capable of being positioned

Technical Field

The utility model relates to a winder technical field. In particular to a lithium battery winding machine capable of positioning.

Background

Lithium batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a negative electrode material. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of science and technology, lithium batteries have become the mainstream nowadays.

At present, the lithium battery cannot realize the positioning of a positive plate, a diaphragm and a negative plate in the winding process, and cannot realize the tension and the leveling of the positive plate, the diaphragm and the negative plate.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, the utility model aims to provide a lithium battery winding machine that can fix a position is in order to solve foretell problem.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a lithium battery winding machine that can fix a position, the on-line screen storage device comprises a base, the machine case, the positive plate, diaphragm and negative pole piece, quick-witted case fixed placement is on the base, the machine incasement is provided with two driving motor, the diaphragm sets up along self middle part fifty percent discount, the positive plate is placed in the inner chamber that forms after the diaphragm fifty percent discount, the negative pole piece is placed in the upper surface after the diaphragm fifty percent discount, still include the supporting piece on the base, the driving piece, the first subassembly that flattens, the setting element, the slider, the one side of driving piece is arranged in to the supporting piece, and be connected with the base through the connecting axle, the driving piece is connected with driving motor's pivot, the first subassembly that flattens, the setting element, the slider sets gradually along the length direction of the up end of supporting piece, the setting element is used for the positive plate, the diaphragm, the negative pole piece is placed and is fixed a position when the supporting piece, the slider is used for driving the setting element and slides on the supporting piece.

The technical scheme has the advantages that: the utility model discloses a base, quick-witted case, driving motor, rest pad, driving piece, the first subassembly, setting element and the slider that flatten realize the location of positive plate, diaphragm and negative pole piece when convoluteing, guarantee the planarization on the surface of the positive plate of coiling in-process, diaphragm and negative pole piece simultaneously.

Preferably, the driving member comprises a left mounting plate, a right mounting plate, a first winding roller and a second winding roller, the first winding roller and the second winding roller are rotatably arranged between the left mounting plate and the right mounting plate along the height direction of the case, and the rotating shafts of the two driving motors penetrate through the left mounting plate and are connected with the corresponding first winding roller/second winding roller.

The technical scheme has the advantages that: the driving piece drives the positive plate, the diaphragm and the negative plate to be wound, so that the power source output in the winding process of the positive plate, the diaphragm and the negative plate is stable, and the winding efficiency is ensured.

Preferably, the first flattening assembly comprises fixed blocks which are oppositely arranged on the supporting block in a left-right mode, a first flattening roller which is rotatably arranged between the two fixed blocks, and a second flattening roller which is rotatably arranged in the supporting block, the second flattening roller is arranged right below the first flattening roller, and a sliding gap through which the positive plate, the diaphragm and the negative plate can pass is formed between the first flattening roller and the second flattening roller.

The technical scheme has the advantages that: the positive plate, the diaphragm and the negative plate are flattened during winding, so that the flatness of the positive plate, the diaphragm and the negative plate is improved after winding is finished, no air bubble exists among all layers of the positive plate, the diaphragm and the negative plate after winding is finished, and the potential safety hazard is reduced.

Preferably, the locating piece includes installation piece, slip briquetting, depression bar, mounting panel, and the installation piece sets up in the top of the up end of supporting block mutually in opposition, and the relative facade of two installation pieces all is provided with and supplies the slip briquetting to carry out gliding location spout, and the upper surface middle part of slip briquetting is connected with the depression bar, and the back of slip briquetting still is provided with the second subassembly that flattens, and the mounting panel sets up in the bottom of the up end of supporting block mutually in opposition.

The technical scheme has the advantages that: the positions of the positive plate, the diaphragm and the negative plate on the supporting block are easy to position, and the positive plate, the diaphragm and the negative plate are prevented from being dislocated in the winding process.

Preferably, the second flattening component comprises two mounting grooves formed in the right side face of the sliding pressing block, connecting rods arranged in the two mounting grooves and a third flattening roller arranged between the two connecting rods.

The technical scheme has the advantages that: and flattening the tails of the positive plate, the diaphragm and the negative plate by a third flattening roller to ensure that the positive plate, the diaphragm and the negative plate have high flatness on the supporting block.

Preferably, the sliding part includes two sliding blocks, two first sliding grooves and two second sliding grooves, the two sliding blocks are fixedly mounted on the lower surface of the sliding pressing block, the two first sliding grooves are arranged along the length direction of the upper surface of the supporting block and are used for enabling the corresponding sliding blocks to slide, and the two second sliding grooves are arranged along the length direction of the upper surface of the supporting block and are used for enabling the corresponding mounting blocks to slide.

The technical scheme has the advantages that: the sliding of the positioning element on the bearing block is realized by the sliding element.

Preferably, the width of the positive plate, the diaphragm and the negative plate when the positive plate, the diaphragm and the negative plate are attached is matched with the distance between the mounting blocks, and the distance between the mounting blocks is equal to the distance between the mounting plates and the length of the third flattening roller.

The technical scheme has the advantages that: make positive plate, diaphragm and negative pole piece be difficult for taking place the dislocation on the supporting block, and be difficult for taking place to remove, reduce the degree of difficulty of coiling process, simultaneously through the length with the third flattening roller equal with the width of positive plate, diaphragm and negative pole piece, when making the third flattening roller slide on the supporting block, installation piece and mounting panel can not produce the hindrance to the third flattening roller, improve overall structure's stability.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a top view of the support block of the present invention;

FIG. 3 is a schematic structural view of the first pressing assembly of the present invention;

fig. 4 is an enlarged schematic view of part a of the present invention.

Reference numerals: 1. a base; 11. a chassis; 12. a drive motor; 13. a support block; 2. a drive member; 21. a left mounting plate; 22. a right mounting plate; 23. a first winding roller; 24. a second winding roller; 3. a first platen assembly; 31. a fixed block; 32. a first flattening roller; 33. a second flattening roller; 34. a sliding gap; 4. a positioning member; 41. mounting blocks; 42. sliding a pressing block; 43. a pressure lever; 44. mounting a plate; 45. extruding a groove; 5. a slider; 51. a slider; 52. a first sliding groove; 53. a second sliding groove; 6. a second platen assembly; 61. mounting grooves; 62. a connecting rod; 63. and a third flattening roller.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1-4, a lithium battery winding machine capable of positioning comprises a base 1, a machine case 11, a positive plate, a diaphragm and a negative plate, wherein the machine case 11 is fixedly arranged on the base 1, two driving motors are arranged in the machine case 11, the diaphragm is arranged along the middle of the machine case in a folded manner, the positive plate is arranged in an inner cavity formed by the diaphragm in the folded manner, the negative plate is arranged on the upper surface of the diaphragm in the folded manner, the base 1 further comprises a supporting block 13, a driving part 2, a first flattening assembly 3, a positioning part 4 and a sliding part 5, the supporting block 13 is arranged on one side of the driving part 2 and is connected with the base 1 through a connecting shaft, the driving part 2 is connected with a rotating shaft of the driving motor 12, the first flattening assembly 3, the positioning part 4 and the sliding part 5 are sequentially arranged along the length direction of the upper end surface of the supporting block 13, and the positioning part 4 is used for positioning when the positive plate, the diaphragm and the negative plate are arranged on the supporting block 13, the sliding part 5 is used for driving the positioning part 4 to slide on the supporting block 13. The utility model discloses a base 1, machine case 11, driving motor 12, supporting block 13, driving piece 2, first subassembly 3 that flattens, setting

element

4 and 5 sliders 5 of slider realize, when needs are to positive plate, when diaphragm and negative plate convolute, place the diaphragm fifty percent discount earlier and with the positive plate in the space that forms after the diaphragm fifty percent discount, place the negative plate in the upper surface of diaphragm simultaneously, and align the position of negative plate with the positive plate in the space of diaphragm, positive plate after will laminating, diaphragm and negative plate place on driving piece 2, be connected positive plate again, the one end of diaphragm and negative plate and first subassembly 3 that flattens, setting element 4, slider 5, when driving motor 12's pivot is rotatory to drive driving piece 2 and rotate, place the positive plate on driving piece 2, diaphragm and negative plate begin to convolute, through the positive plate, through positive plate, Tensile force and setting element 4 when diaphragm and negative pole piece are convoluteed are fixed a position positive plate, diaphragm and negative pole piece for driving piece 2 drives setting element 4 and slides in slider 5, and flattens positive plate, diaphragm and negative pole piece through first piece of flattening, realizes the location of positive plate, diaphragm and negative pole piece when convoluteing, guarantees the planarization on the surface of winding in-process positive plate, diaphragm and negative pole piece simultaneously.

The driving member 2 includes a left mounting plate 21, a right mounting plate 22, a first winding roller 23 and a second winding roller 24, the first winding roller 23 and the second winding roller 24 are rotatably disposed between the left mounting plate 21 and the right mounting plate 22 along the height direction of the chassis 11, and the rotating shafts of the two driving motors 12 penetrate through the left mounting plate 21 and are connected with the corresponding first winding roller 23/second winding roller 24. The rotating shafts of the two driving motors 12 are oppositely installed up and down, so that the two driving motors 12 are connected with the corresponding first winding roller 23 and the second winding roller 24, meanwhile, the rotating shafts of the driving motors 12 penetrate through the left installation plate 21 and are connected with the right installation plate 22 in an inserting mode, when the positive pole piece and the negative pole piece need to be wound, the positive pole piece and the negative pole piece after being attached are placed on the first winding roller 23/the second winding roller 24, the switch of the driving motors 12 is turned on, the rotating shafts of the driving motors 12 are rotated, the first winding roller 23/the second winding roller 24 is driven to rotate to align the positive pole piece and wind the diaphragm and the negative pole piece, the driving piece 2 drives the positive pole piece and the diaphragm and the negative pole piece to be wound, the power source output in the winding process of the positive pole piece, the diaphragm and the negative pole piece is stable, and the winding efficiency is ensured.

The first flattening assembly 3 comprises fixing blocks 31 oppositely arranged on the supporting block 13 in a left-right mode, a first flattening roller 32 rotatably arranged between the two fixing blocks 31, and a second flattening roller 33 rotatably arranged in the supporting block 13, wherein the second flattening roller 33 is arranged right below the first flattening roller 32, and a sliding gap 34 for a positive plate, a diaphragm and a negative plate to penetrate is formed between the first flattening roller 32 and the second flattening roller 33. When the positive plate, the diaphragm and the negative plate are placed on the first winding roller 23/the second winding roller 24, the tail parts of the positive plate, the diaphragm and the negative plate penetrate through the sliding gap 34 and are connected with the sliding part 5 and the positioning part 4 along the length direction of the supporting block 13, the height of the sliding gap 34 is matched with the height of the positive plate, the diaphragm and the negative plate, namely, when the positive plate, the diaphragm and the negative plate are placed on the second flattening roller 33, the first flattening roller 32 extrudes the positive plate, the diaphragm and the negative plate, when the first winding roller 23/the second winding roller 24 drives the positive plate, the diaphragm and the negative plate to be wound, the positive plate, the diaphragm and the negative plate slide between the first flattening roller 32 and the second flattening roller 33, so that the first flattening roller 32 and the second flattening roller 33 are driven to rotate, and the positive plate, the diaphragm and the negative plate are flattened during winding, so that the positive plate, the diaphragm and the negative plate are improved, The flatness of the diaphragm and the negative plate is ensured when the winding is finished, so that no air bubble exists among each layer of the positive plate, the diaphragm and the negative plate after the winding is finished, and the potential safety hazard is reduced.

The positioning element 4 comprises mounting blocks 41, sliding pressing blocks 42, pressing rods 43 and mounting plates 44, the mounting blocks 41 are oppositely arranged at the top of the upper end face of the supporting block 13, positioning sliding grooves for the sliding pressing blocks 42 to slide are formed in opposite surfaces of the two mounting blocks 41, the middle of the upper surface of each sliding pressing block 42 is connected with the corresponding pressing rod 43, a second flattening assembly 6 is further arranged on the back of each sliding pressing block 42, and the mounting plates 44 are oppositely arranged at the bottom of the upper end face of the supporting block 13. When the positive plate, the diaphragm and the negative plate are wound, because the tails of the positive plate, the diaphragm and the negative plate are not positioned, the positive plate, the diaphragm and the negative plate are easy to shift in the winding process, the positive plate, the diaphragm and the negative plate are positioned when entering the top of the upper end surface of the supporting block 13 through the mounting block 41, the positive plate, the diaphragm and the negative plate are positioned when entering the top of the upper end surface of the supporting block 13 through the mounting block 44, the positive plate, the diaphragm and the negative plate are arranged along the same axis through the mounting block 41 and the mounting block 44, the sliding press block 42 is downwards slid through the pressing press rod 43 until contacting with the positive plate, the diaphragm and the negative plate, the upper surfaces of the positive plate, the diaphragm and the negative plate are pressed, and the second press roller 33 is contacted with the positive plate, the diaphragm and the negative plate, the positions of the positive electrode sheet, the separator and the negative electrode sheet on the support block 13 are easily positioned, and the positive electrode sheet, the separator and the negative electrode sheet are prevented from being displaced during the winding process.

The second flattening assembly 6 includes two mounting grooves 61 disposed on the right side surface of the sliding pressing block 42, a connecting rod 62 disposed in the two mounting grooves 61, and a third flattening roller 63 disposed between the two connecting rods 62. When the positive plate, the diaphragm and the negative plate are placed on the first winding roller 23/the second winding roller 24, the tail parts of the positive plate, the diaphragm and the negative plate are flattened by the third flattening roller 63, so that the flatness of the positive plate, the diaphragm and the negative plate on the supporting block 13 is high.

The sliding member 5 includes two sliding blocks 51, two first sliding grooves 52, and two second sliding grooves 53, the two sliding blocks 51 are fixedly mounted on the lower surface of the sliding pressing block 42, the two first sliding grooves 52 are disposed along the length direction of the upper surface of the supporting block 13 and are used for realizing the sliding of the corresponding sliding blocks 51, and the two second sliding grooves 53 are disposed along the length direction of the upper surface of the supporting block 13 and are used for realizing the sliding of the corresponding mounting blocks 41. When the rotating shaft of the driving motor 12 rotates to drive the first winding roller 23/the second winding roller 24 to rotate, thereby driving the positive plate, the diaphragm and the negative plate to slide, the sliding of the sliding block 42 is realized through the sliding block 51 and the first sliding groove 52, and the sliding of the installation block 41 is realized through the second sliding groove 53, so that when the positive plate, the diaphragm and the negative plate slide on the supporting block 13, the sliding block 42 follows the positive plate, the diaphragm and the negative plate slide, so that the sliding block 42 stably aligns the positive plate, the diaphragm and the negative plate apply a downward pressure, align the positive plate, the diaphragm and the negative plate are positioned, and meanwhile, the sliding of the positioning piece 4 on the supporting block 13 is realized through the sliding piece 5.

The width of the positive electrode sheet, the separator, and the negative electrode sheet when they are bonded is matched with the distance between the mounting blocks 41, and the distance between the mounting blocks 41 is equal to the distance between the mounting plates 44 and the length of the third flattening roller 63. When the positive electrode tab, the separator, and the negative electrode tab are placed on the support block 13, by adapting the distance between the two mounting blocks 41 to the width of the positive electrode tab, the separator, and the negative electrode tab, so that the two mounting blocks 41 position the positive plate, the diaphragm and the negative plate on the top of the upper end face of the supporting block 13 in the left-right direction, and then the two mounting plates 44 position the positive plate, the diaphragm and the negative plate on the bottom of the upper end face of the supporting block 13 in the left-right direction, so that the positive plate, the diaphragm and the negative plate are not easy to be dislocated and moved on the supporting block 13, the difficulty of the winding process is reduced, meanwhile, by making the length of the third flattening roller 63 equal to the width of the positive electrode sheet, the separator and the negative electrode sheet, when the third flattening roller 63 slides on the support block 13, the mounting block 41 and the mounting plate 44 do not interfere with the third flattening roller 63, and the stability of the entire structure is improved.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a lithium battery winding machine that can fix a position, includes base (1), quick-witted case (11), positive plate, diaphragm and negative pole piece, and quick-witted case (11) are fixed to be placed on base (1), are provided with two driving motor (12) in quick-witted case (11), and the diaphragm sets up along self middle part fifty percent discount, and the positive plate is placed in the inner chamber that forms after the diaphragm fifty percent discount, and the negative pole piece is placed in the upper surface after the diaphragm fifty percent discount, its characterized in that: still include supporting block (13), driving piece (2), the first subassembly (3), setting element (4), slider (5) that flatten on base (1), one side of driving piece (2) is arranged in supporting block (13), and is connected with base (1) through the connecting axle, driving piece (2) are connected with driving motor (12)'s pivot, the first length direction along the up end of supporting block (13) of subassembly (3), setting element (4), slider (5) that flatten sets gradually, setting element (4) are used for positive plate, diaphragm, negative pole piece to make the location when placing in supporting block (13), slider (5) are used for driving setting element (4) and slide on supporting block (13).

2. The positionable lithium battery winder of claim 1, wherein: driving piece (2) include left mounting panel (21), right mounting panel (22), first winding up roller (23), second winding up roller (24) rotate along the direction of height of quick-witted case (11) and set up between left mounting panel (21), right mounting panel (22), two left mounting panel (21) is run through in the pivot of driving motor (12), and is connected with corresponding first winding up roller (23)/second winding up roller (24).

3. The positionable lithium battery winder of claim 1, wherein: first subassembly (3) of flattening sets up fixed block (31) on supporting block (13) including controlling relatively, rotates first flattening roller (32) that set up between two fixed blocks (31), rotates second flattening roller (33) that set up in supporting block (13), second flattening roller (33) set up under first flattening roller (32), be formed with between first flattening roller (32) and second flattening roller (33) and supply positive plate, diaphragm, the sliding gap (34) that the negative pole piece passed.

4. The positionable lithium battery winder of claim 1, wherein: setting element (4) are including installation piece (41), slip briquetting (42), depression bar (43), mounting panel (44), installation piece (41) sets up the upper end on supporting block (13) mutually just two mutually the mutually opposite face of installation piece (41) all is provided with and supplies slip briquetting (42) to carry out gliding location spout, the upper surface middle part of slip briquetting (42) is connected with depression bar (43), the back of slip briquetting (42) still is provided with the second and flattens subassembly (6), mounting panel (44) sets up the lower extreme on supporting block (13) mutually.

5. The positionable lithium battery winder of claim 4, wherein: the second flattening component (6) comprises two mounting grooves (61) arranged on the right side face of the sliding pressing block (42), connecting rods (62) arranged in the two mounting grooves (61) and a third flattening roller (63) arranged between the two connecting rods (62).

6. The positionable lithium battery winder of claim 1, wherein: the sliding piece (5) comprises two sliding blocks (51), two first sliding grooves (52) and two second sliding grooves (53), wherein the sliding blocks (51) are fixedly installed on the lower surface of the sliding pressing block (42), the first sliding grooves (52) are arranged along the length direction of the upper surface of the supporting block (13) and are used for achieving sliding of the corresponding sliding blocks (51), and the second sliding grooves (53) are arranged along the length direction of the upper surface of the supporting block (13) and are used for achieving sliding of the corresponding installing blocks (41).

7. The positionable lithium battery winder of claim 1, wherein: the width of the positive plate, the diaphragm and the negative plate when the positive plate, the diaphragm and the negative plate are attached is matched with the distance between the mounting blocks (41), and the distance between the mounting blocks (41) is equal to the distance between the mounting plates (44) and the length of the third flattening roller (63).