CN212725375U

CN212725375U - Graphite electrode film-making rolling device

Info

Publication number: CN212725375U
Application number: CN202021391680.1U
Authority: CN
Inventors: 孙来华; 孙合元; 曹玉秋
Original assignee: Shandong Heyu New Energy Co ltd
Current assignee: Shandong Heyu New Energy Co ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-03-16
Anticipated expiration: 2030-07-15

Abstract

The utility model belongs to graphite electrode production processing equipment field relates to a graphite electrode film-making roll-in device, the on-line screen storage device comprises a base, the base internal fixation has the motor, both sides all are fixed with the link around the top of base, all be fixed with well supporting seat on the inside wall of two links, it is connected with the fixed center axle to rotate between two well supporting seats, fixed center axle and motor hookup, the outside of fixed center axle is fixed with decides the compression roller, the upper end of the inside wall of two links all is connected with the support seat, it is connected with the center axle to rotate between two upper support seats, the outside of going up the center axle is fixed with the upper pressure roller, the lower extreme of the inside wall of two links all is connected with the under bracing seat, it is connected with down the center axle to rotate between the outside of under bracing seat, it is connected with a set of transition roller to rotate between the right side of two links. The utility model discloses area is less, has realized the secondary roll-in simultaneously, has promoted the development of enterprise.

Description

Graphite electrode film-making rolling device

Technical Field

The utility model relates to a graphite electrode film-making roll-in device belongs to graphite electrode production and processing equipment field.

Background

The lithium ion battery serving as a novel recyclable green energy source has the advantages of high working voltage, high specific energy, long cycle life, wide working range, good safety performance, no memory effect and the like, is widely applied to a plurality of fields such as power supply systems of portable electronic products, electric vehicles, national defense and military equipment, photovoltaic energy storage and the like in recent years, and is developed very rapidly.

The graphite electrode is used as a negative electrode material of a lithium battery, and plays a very important role in improving the capacity and the cycle performance of the lithium battery. In the process of preparing the graphite electrode, the pole piece enters a rolling procedure after being coated and dried, the equipment mainly comprises an unwinding device, a winding device and a rolling device arranged between the unwinding device and the winding device, the conventional rolling device has an unreasonable structure and can only realize one-time rolling, because the common binder of the graphite electrode is SBR (styrene butadiene rubber), the rebound is large, and after the rolling process, the negative pole piece has large-degree thickness rebound, so that the rolling is carried out under large pressure, which easily causes active particles to be cracked and broken, the aperture of the upper layer (far away from the copper foil) of the corresponding pole piece is larger than that of the lower layer (near to the copper foil) of the pole piece, the performance of the battery is reduced, therefore, two rolling devices are arranged between the unwinding device and the winding device by part of manufacturers, the problems are solved by a secondary rolling mode, but the mode not only greatly increases the cost, and the occupied area is large, which is not beneficial to the development of enterprises.

SUMMERY OF THE UTILITY MODEL

According to the not enough among the above prior art, the utility model discloses the technical problem who solves is: the graphite electrode sheet-making rolling device is simple in structure, small in occupied area and capable of achieving secondary rolling.

The utility model relates to a graphite electrode flaking roll-in device, which comprises a base, a motor is fixed in the base, connecting frames are fixed on the front side and the rear side of the top of the base, middle supporting seats are fixed in the middle of the inner side walls of the two connecting frames, a fixed center shaft is rotatably connected between the two middle supporting seats, one end of the fixed center shaft runs through the corresponding middle supporting seat and the connecting frame and is connected with the motor, a fixed compression roller is fixed on the outer side of the fixed center shaft, upper supporting seats are slidably connected on the upper ends of the inner side walls of the two connecting frames, an upper center shaft is rotatably connected between the two upper supporting seats, an upper compression roller is fixed on the outer side of the upper center shaft, lower supporting seats are slidably connected on the lower ends of the inner side walls of the two connecting frames, a lower center shaft is rotatably connected between the two lower supporting seats, a lower compression roller is fixed on the, lower cylinders are fixed between the two middle supporting seats and the two lower supporting seats, a group of transition rollers are rotatably connected between the right sides of the two connecting frames, and a group of reverse rollers are rotatably connected between the left sides of the two connecting frames.

A group of guide-in rollers are rotatably connected between the left sides of the two connecting frames, and a group of guide-out rollers are rotatably connected between the right sides of the two connecting frames.

The two upper supporting seats and the two connecting frames are in sliding connection through the matching of the two upper guide rails and the two upper sliding blocks, and the two lower supporting seats and the two connecting frames are in sliding connection through the matching of the two lower guide rails and the two lower sliding blocks.

Compared with the prior art, the utility model beneficial effect who has is:

a graphite electrode film-making roll-in device, simple structure, area are less, have realized the secondary roll-in simultaneously, are showing the performance that has improved the battery, have promoted the development of enterprise.

Drawings

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

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

fig. 3 is a schematic diagram of the electrode plate moving during the application of the present invention.

In the figure: 1. a base; 2. a reverse roll; 3. a lead-in roller; 4. a compression roller is fixed; 5. an upper compression roller; 6. a transition roll; 7. a lower pressing roller; 8. a connecting frame; 9. a delivery roller; 10. a motor; 11. a lower guide rail; 12. a lower slide block; 13. a lower support seat; 14. a lower central shaft; 15. a lower cylinder; 16. a middle support seat; 17. centering a central shaft; 18. an upper cylinder; 19. an upper guide rail; 20. an upper slide block; 21. an upper support base; 22. an upper central shaft; 23. an electrode sheet.

Detailed Description

Embodiments of the present invention are further described below with reference to the accompanying drawings:

as shown in figures 1 and 2, the utility model relates to a graphite electrode flaking roll-in device, which comprises a base 1, a motor 10 is fixed in the base 1, connecting frames 8 are fixed on the front and back sides of the top of the base 1, middle supporting seats 16 are fixed in the middle parts of the inner side walls of the two connecting frames 8, a fixed center shaft 17 is rotatably connected between the two middle supporting seats 16, one end of the fixed center shaft 17 penetrates through the corresponding middle supporting seat 16 and is connected with the connecting frame 8 and the motor 10, a fixed pressure roller 4 is fixed on the outer side of the fixed center shaft 17, upper supporting seats 21 are respectively slidably connected with the upper ends of the inner side walls of the two connecting frames 8, an upper center shaft 22 is rotatably connected between the two upper supporting seats 21, an upper pressure roller 5 is fixed on the outer side of the upper center shaft 22, lower supporting seats 13 are respectively slidably connected with the lower ends of the inner side walls of the two connecting frames 8, the outer side of the lower central shaft 14 is fixed with a lower compression roller 7, an upper air cylinder 18 is fixed between the two middle supporting seats 16 and the two upper supporting seats 21, a lower air cylinder 15 is fixed between the two middle supporting seats 16 and the two lower supporting seats 13, a group of transition rollers 6 is rotatably connected between the right sides of the two connecting frames 8, and a group of reverse rollers 2 is rotatably connected between the left sides of the two connecting frames 8.

In a preferred embodiment: a group of leading-in rollers 3 is also rotatably connected between the left sides of the two connecting frames 8, and a group of leading-out rollers 9 is also rotatably connected between the right sides of the two connecting frames 8; the two upper supporting seats 21 and the two connecting frames 8 are slidably connected through the matching of the two upper guide rails 19 and the two upper sliders 20, and the two lower supporting seats 13 and the two connecting frames 8 are slidably connected through the matching of the two lower guide rails 11 and the two lower sliders 12.

When the electrode plate rolling device is used, as shown in fig. 3, the electrode plate 23 is guided in by the group of guide-in rollers 3, then penetrates through a gap between the upper compression roller 5 and the fixed compression roller 4, then is reversed by the group of transition rollers 6, then penetrates through a gap between the fixed compression roller 4 and the lower compression roller 7, is reversed by the group of reverse rollers 2, is guided out by the group of guide-out rollers 9, is moved by the two upper air cylinders 18, can adjust the gap between the upper compression roller 5 and the fixed compression roller 4, is moved by the two lower air cylinders 15, can adjust the gap between the fixed compression roller 4 and the lower compression roller 7, and accordingly adjusts the degree of.

Claims

1. The utility model provides a graphite electrode film-making roll-in device which characterized in that: comprises a base (1), a motor (10) is fixed in the base (1), connecting frames (8) are fixed on the front side and the rear side of the top of the base (1), middle supporting seats (16) are fixed in the middle of the inner side walls of the two connecting frames (8), a centering shaft (17) is rotatably connected between the two middle supporting seats (16), one end of the centering shaft (17) penetrates through the corresponding middle supporting seat (16) and the connecting frame (8) and is connected with the motor (10), a centering roller (4) is fixed on the outer side of the centering shaft (17), upper supporting seats (21) are slidably connected on the upper ends of the inner side walls of the two connecting frames (8), an upper central shaft (22) is rotatably connected between the two upper supporting seats (21), an upper pressing roller (5) is fixed on the outer side of the upper central shaft (22), lower supporting seats (13) are slidably connected on the lower ends of the inner side walls of the two connecting frames (8), a lower central shaft (14) is, the outside of center pin (14) down is fixed with compression roller (7) down, all is fixed with between two well supporting seat (16) and two supporting seat (21) and goes up cylinder (18), all is fixed with between two well supporting seat (16) and two lower support seat (13) down cylinder (15), rotates between the right side of two link (8) and is connected with a set of transition roller (6), rotates between the left side of two link (8) and is connected with a set of reverse roller (2).

2. A graphite electrode sheet rolling device according to claim 1, wherein: a group of leading-in rollers (3) are rotatably connected between the left sides of the two connecting frames (8), and a group of leading-out rollers (9) are rotatably connected between the right sides of the two connecting frames (8).

3. A graphite electrode sheet rolling device according to claim 1 or 2, wherein: the two upper supporting seats (21) and the two connecting frames (8) are in sliding connection through the matching of the two upper guide rails (19) and the two upper sliding blocks (20), and the two lower supporting seats (13) and the two connecting frames (8) are in sliding connection through the matching of the two lower guide rails (11) and the two lower sliding blocks (12).