CN212858520U

CN212858520U - Cutting device of battery pole piece

Info

Publication number: CN212858520U
Application number: CN202021505273.9U
Authority: CN
Inventors: 徐象华
Original assignee: Zhejiang Linrun New Energy Technology Co ltd
Current assignee: Zhejiang Linrun New Energy Technology Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-04-02
Anticipated expiration: 2030-07-27

Abstract

A cutting device of a battery pole piece comprises a supporting seat, a material placing frame, a feeding roller, an elastic compression roller and a cutting assembly, wherein the feeding roller comprises two bottom rollers which are mutually in transmission connection, one of the bottom rollers is in transmission connection with a feeding stepping motor arranged on the supporting seat, the elastic compression roller comprises an elastic part and two compression rollers which are respectively abutted against the upper part of each bottom roller, the elastic part is used for adjusting abutting force, the cutting assembly is positioned above the compression rollers, the cutting assembly comprises a pressing plate and a cutting knife at the bottom of the pressing plate, a knife groove positioned on the supporting seat is arranged below the cutting knife, a roller is arranged on the pressing plate, an eccentric rotating column is abutted against the upper part of the roller, the eccentric rotating column is positioned on the supporting seat and is controlled to rotate by the arranged cutting stepping motor, the abutting force of the compression roller and the bottom rollers can be increased by pressing the pressing plate against the elastic part downwards, and, the process of changing the abutting force of the press roller and the bottom roller also ensures that the pole piece can keep good tension.

Description

Cutting device of battery pole piece

Technical Field

The utility model relates to a battery manufacturing technology field, concretely relates to cutting device of battery pole piece.

Background

During the manufacturing process of the battery, the pole piece needs to be cut.

The two ends of the pole piece can be tightened up towards a cutting point in the process of cutting the pole piece by the conventional cutting equipment, so that the situation that the pole piece is difficult to cut flat or cut off is caused, and obvious burrs can be generated at the cut-off part.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a cutting device of battery pole piece:

a cutting device for battery pole pieces comprises a supporting seat, an emptying frame, a feeding roller, an elastic compression roller and a cutting assembly, wherein the emptying frame is positioned at the left end of the supporting seat and used for installing whole-roll pole pieces, the feeding roller comprises two bottom rollers which are mutually in transmission connection, one of the bottom rollers is in transmission connection with a feeding stepping motor arranged on the supporting seat, the elastic compression roller comprises an elastic part and two compression rollers which are respectively propped against the upper part of each bottom roller, the elastic part is used for adjusting the propping force, the cutting assembly is positioned above the compression rollers and comprises a pressing plate and a cutting knife at the bottom of the pressing plate, a knife groove positioned on the supporting seat is arranged below the cutting knife, a roller is arranged on the pressing plate, an eccentric rotary column is propped against the upper part of the roller and is positioned on the supporting seat and is controlled to rotate by the arranged cutting stepping motor, the pressing plate presses the elastic part downwards to increase the pressing force between the pressing roller and the bottom roller.

Preferably, the elastic component includes spring, slide bar and is used for installing the slider of compression roller, the slider sliding fit is in the vertical slide that the supporting seat was equipped with, the slide bar is vertical to be fixed in the upper end of slider and constitutes the cooperation of sliding with the slide opening that the clamp plate was equipped with, the spring housing is outside the slide bar and both ends are pushed up respectively and are leaned on slider and clamp plate, through the clamp plate is leaned on the top of pushing down to the spring and is increased the top of compression roller and bottom roll and lean on the power, through the gradual compression of spring, the top of compression roller and bottom roll is leaned on power and is crescent, and the pole piece has good tension when.

Preferably, the bottom of the pressure plate is provided with a circular groove for limiting the upper end of the spring, the top of the pressure plate is provided with an extending part, and the sliding hole penetrates through the extending part, so that the elastic direction of the spring can be kept vertical and stable.

Preferably, the tool groove is located on a smooth plane arranged on the supporting seat, and a round corner surface is arranged at the left end of the smooth plane, so that the friction resistance of pole piece conveying is reduced, and the machine is prevented from being wrinkled and jammed.

Preferably, a collecting groove is formed in the right end of the supporting seat, and an incline inclining downwards to the right is formed in the collecting groove, so that the pole pieces after being cut can be conveniently collected.

The utility model discloses following beneficial effect has: utilize eccentric rotary column and the rotatory mode of leaning on of roller, make the clamp plate remove the in-process and can remain stable, rather than move down in the twinkling of an eye or go up the bullet, prevent to take place obvious displacement deviation, the clamp plate top of removal leans on the elastic component to make the process that the top of compression roller and bottom roll leaned on the power also to change, makes the pole piece can keep good tension, avoids appearing the pole piece and tightens to the cutting point, and the pole piece compresses tightly the conveying through the roller, can flatten surperficial burr.

Drawings

Fig. 1 is a schematic structural diagram of the embodiment.

Fig. 2 is a schematic view of the internal structure of the embodiment.

1. A supporting seat; 2. a material placing frame; 3. a bottom roll; 4. a compression roller; 5. pressing a plate; 6. cutting knife; 7. a cutter groove; 8. a roller; 9. an eccentric rotary column; 10. a spring; 11. a slide bar; 12. a slider; 13. a slide hole; 14. a circular groove; 15. an extension portion; 16. smooth surface; 17. a rounded corner surface; 18. collecting tank; 19. a bevel.

Detailed Description

The present invention will be further described with reference to the accompanying drawings 1-2 and the embodiments.

A cutting device of a battery pole piece comprises a supporting seat 1, a material placing frame 2, a collecting groove 18, a feeding roller, an elastic compression roller 4 and a cutting assembly, wherein the material placing frame 2 is positioned at the left end of the supporting seat 1 and used for installing a whole roll of pole piece, the feeding roller comprises two bottom rollers 3 which are in transmission connection with each other, one bottom roller 3 is in transmission connection with a feeding stepping motor arranged on the supporting seat 1, the elastic compression roller 4 comprises an elastic piece and two compression rollers 4 which are respectively abutted against the upper part of each bottom roller 3, the elastic piece is used for adjusting abutting force, the cutting assembly is positioned above the compression rollers 4, the cutting assembly comprises a pressing plate 5 and a cutting knife 6 arranged at the bottom of the pressing plate 5, a knife groove 7 positioned on the supporting seat 1 is arranged below the cutting knife 6, the knife groove 7 is positioned on a smooth plane 16 arranged on the supporting seat 1, the left end of the smooth plane 16 is provided, while preventing the crumple from sticking to the card.

The roller 8 is arranged on the pressing plate 5, the eccentric rotating column 9 is abutted above the roller 8, the eccentric rotating column 9 is positioned on the supporting seat 1 and is controlled to rotate through a cutting stepping motor, the elastic part comprises a spring 10, a sliding rod 11 and a sliding block 12 for installing the pressing roller 4, the sliding block 12 is matched in a vertical slide way arranged on the supporting seat 1 in a sliding way, the sliding rod 11 is vertically fixed at the upper end of the sliding block 12 and is matched with a sliding hole 13 arranged on the pressing plate 5 in a sliding way, an extending part 15 is arranged at the top of the pressing plate 5, the sliding hole 13 penetrates through the extending part 15, the spring 10 is sleeved outside the sliding rod 11, two ends of the spring 10 are respectively abutted against the sliding block 12 and the pressing plate 5, a circular groove 14 for limiting the upper end part of the spring 10 is arranged at the bottom of the pressing plate 5, the elastic direction of the spring 10 can be kept vertically stable, the abutting force of the pressing roller 4, the pushing force of the compression roller 4 and the bottom roller 3 is gradually increased, so that the pole piece has good tension when being cut.

The collecting groove 18 is located at the right end of the supporting seat 1, and an inclination inclining downwards to the right is arranged in the collecting groove 18, so that the pole pieces after being cut can be collected conveniently.

The operation principle is as follows: in the initial state, as shown in fig. 2, the roller 8 abuts against the eccentric rotary column 9, the pressing plate 5 is located at the highest point, the spring 10 is compressed, so that the pressing roller 4 and the bottom roller 3 are in abutting fit, a transmission space of the pole piece is arranged between the cutting knife 6 and the knife slot 7, the pole piece is installed and wound, then the spring is started, the feeding stepping motor works to drive the two bottom rollers 3 to rotate for a certain angle, the pole piece is pulled and fed for a certain distance under the abutting of the pressing roller 4 and the bottom roller 3, the bottom roller 3 is fixed after the feeding is completed, the post-cutting stepping motor works to drive the rotary column to rotate for a circle, in the process, because the roller 8 abuts against the rotary column, the rotary column is pressed down to drive the pressing plate 5 to further compress the spring 10, the abutting force of the pressing roller 4 and the bottom roller 3 is gradually increased, the pole piece below the cutting knife 6 is kept in good tension, and the pole piece is prevented from being tightly retracted towards the cutting point, meanwhile, the cutting knife 6 moves downwards to the knife slot 7 to cut off the pole pieces, the rear pressing plate 5 moves upwards to restore to the initial state, the cutting of a single pole piece is completed, the rear feeding stepping motor works again to repeat the operation, and the cut pole pieces are also fed into the collecting tank 18.

It should be noted that, the eccentric rotary column 9 and the roller 8 are rotated and abutted to keep the pressure plate 5 stable in the moving process, rather than moving down or bouncing up instantly, so as to prevent obvious displacement deviation and change the abutting force between the press roller 4 and the bottom roller 3; the pole piece compresses tightly the conveying through the roller, can flatten surface burr.

It is obvious that the above embodiments of the present invention are only examples for illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. There is no need or no way to give poor examples of all embodiments. And that such obvious changes and modifications are within the scope of the present invention as defined by the appended claims.

Claims

1. The utility model provides a cutting device of battery sheet which characterized in that: comprises a supporting seat (1), a material placing frame (2), a feeding roller, an elastic compression roller (4) and a cutting assembly, wherein the material placing frame (2) is positioned at the left end of the supporting seat (1) and is used for installing a whole coil of pole pieces, the feeding roller comprises two bottom rollers (3) which are in transmission connection with each other, one of the bottom rollers (3) is in transmission connection with a feeding stepping motor arranged on the supporting seat (1), the elastic compression roller (4) comprises an elastic part and two compression rollers (4) which are respectively propped against the upper part of each bottom roller (3), the elastic part is used for adjusting the propping force, the cutting assembly is positioned above the compression rollers (4) and comprises a pressing plate (5) and cutting knives (6) at the bottom of the pressing plate (5), cutter grooves (7) positioned on the supporting seat (1) are arranged below the cutting knives (6), and rollers (8) are arranged on the pressing plate (5), roller (8) top is leaned on there is eccentric rotary column (9), eccentric rotary column (9) are located supporting seat (1) and are rotatory through the step motor control that cuts that is equipped with, lean on pushing down through clamp plate (5) to the top of elastic component and can increase the top of compression roller (4) and bottom roll (3) and lean on the power.

2. The cutting device for battery pole pieces as claimed in claim 1, wherein: elastic component includes spring (10), slide bar (11) and slider (12) that are used for installing compression roller (4), slider (12) are slided and are cooperated in the vertical slide that supporting seat (1) was equipped with, slide bar (11) are vertical to be fixed in the upper end of slider (12) and constitute the cooperation of sliding with slide opening (13) that clamp plate (5) were equipped with, spring (10) overlap outside slide bar (11) and both ends push up respectively and lean on slider (12) and clamp plate (5), through clamp plate (5) are leaned on pushing down to the top of spring (10) and are increased compression roller (4) and the top of bottom roll (3) and lean on the power.

3. The cutting device for battery pole pieces as claimed in claim 2, wherein: the spring limiting device is characterized in that a circular groove (14) used for limiting the upper end portion of the spring (10) is formed in the bottom of the pressing plate (5), an extending portion (15) is formed in the top of the pressing plate (5), and the sliding hole (13) penetrates through the extending portion (15).

4. The cutting device for battery pole pieces as claimed in claim 1, wherein: the cutter groove (7) is positioned on a smooth plane (16) arranged on the supporting seat (1), and a round corner surface (17) is arranged at the left end of the smooth plane (16).

5. The cutting device for battery pole pieces as claimed in claim 1, wherein: the right end of the supporting seat (1) is provided with a collecting groove (18), and an inclined plane (19) which inclines downwards to the right is arranged in the collecting groove (18).