CN201584452U

CN201584452U - Precision slitting cutter of battery pole piece

Info

Publication number: CN201584452U
Application number: CN2010201059423U
Authority: CN
Inventors: 宋卫兵; 董文卫; 罗航; 韩金光
Original assignee: XI'AN JIEYUN SCIENCE AND TECHNOLOGY Co Ltd
Current assignee: XI'AN JIEYUN SCIENCE AND TECHNOLOGY Co Ltd
Priority date: 2010-02-01
Filing date: 2010-02-01
Publication date: 2010-09-15
Anticipated expiration: 2020-02-01

Abstract

The utility model discloses a precision slitting cutter of a battery pole piece, which comprises a top knife part and a bottom knife part, wherein the top knife part consists of a top knife shaft, top knife isolating rings mounted on the top knife shaft, levorotatory top knife components and dextrorotary top knife components, the top knife isolating rings are uniformly distributed at the middle part of the top knife shaft, the levorotatory top knife components and the dextrorotary top knife components are uniformly mounted between the top knife isolating rings at intervals, the bottom knife part consists of a bottom knife shaft, bottom knife isolating rings mounted on the bottom knife shaft and a bottom knife, and the bottom knife isolating rings and the bottom knife are uniformly distributed at the middle part of the bottom knife shaft at intervals. The precision slitting cutter has the advantages of reasonable design, convenient implementation, simple and convenient use and operation and high practical value, and can effectively simplify the regulation difficulty of the cutter, shorten the regulation time and lead the slit end surface to be smooth and burr-free.

Description

The accurate cutting tool of battery pole piece

Technical field

The utility model relates to a kind of cutting tool, relates in particular to the accurate cutting tool of a kind of battery pole piece.

Background technology

At present, the cutting tool of electrodes of lithium-ion batteries production usefulness generally has two kinds: a kind of is fixed cutting tool, its manufacturing technique requirent height, and quality is difficult to control, and percent defective is very high; Another kind is a movable cutter, and this cutter is higher to processing machine precision and material requirements, and use cost is higher.

The utility model content

Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, provide a kind of battery pole piece accurate cutting tool, it is reasonable in design, realization is convenient, use is easy and simple to handle and practical value is high, can effectively simplify cutter and regulate difficulty, shorten the adjusting time, make and cut the smooth smooth no burr of end face.

For solving the problems of the technologies described above, the technical solution adopted in the utility model is: the accurate cutting tool of a kind of battery pole piece, it is characterized in that: comprise upper slitter part and following cutter part, described upper slitter part is by last cutter shaft and be installed in upper slitter shading ring on the cutter shaft, left-handed knife assembly and the dextrorotation upper slitter assembly composition gone up, described upper slitter shading ring is evenly distributed at last cutter shaft middle part, knife assembly evenly is installed between the upper slitter shading ring at interval in described left-handed upward knife assembly and the dextrorotation, described down cutter part is made up of cutter shaft down and the following cutter shading ring and the following cutter that are installed in down on the cutter shaft, and described cutter shading ring down is being evenly spaced apart with following cutter in the middle part of following cutter shaft.

The described left-handed knife assembly of going up is made up of left-handed cutter base, left-handed sliding seat, upper slitter one, spring one and deck one, described left-handed sliding seat is arranged on outside the left-handed cutter base, described upper slitter one, spring one and deck one are successively set on the left-handed sliding seat, and described deck one is provided with and is used for spacing back-up ring.

Knife assembly is made up of dextrorotation cutter base, dextrorotation sliding seat, upper slitter two, spring two and deck two in the described dextrorotation, described dextrorotation sliding seat is arranged on outside the dextrorotation cutter base, described upper slitter two, spring two and deck two are successively set on the dextrorotation sliding seat, and described deck two is provided with and is used for spacing back-up ring two.

Knife assembly is fixing by the locking nut one that is arranged on the cutter shaft in described upper slitter shading ring, left-handed upward knife assembly and the dextrorotation, and following cutter shading ring and following cutter are fixing by the locking nut two that is arranged on down on the cutter shaft.

The utility model compared with prior art has the following advantages:

1, reasonable in design, realization are convenient, and knife assembly is divided into left-handed and two kinds of specifications of dextrorotation it on, like this can be by the size of pretightning force between left-handed sliding seat of adjusting and the dextrorotation sliding seat, and can realize the increase of pretightning force between upper slitter and the following cutter and dwindle;

2, use easy and simple to handle and practical value is high, this cutting tool upper slitter when piecing together cutter is relative with the point of a knife of following cutter, and positive and negative being arranged in order, so both can offset the pretightning force on the knife assembly spring, help pole piece again and cut to be wound into respectively after finishing up and down and cross on the roller, and can guarantee that pole piece that branchs cut can not oppress and do not produce folding line and fall slag owing to the inclined-plane of the cutter knife back down;

3, can effectively simplify cutter and regulate difficulty, shorten the adjusting time, make and cut the smooth smooth no burr of end face.

Below by drawings and Examples, the technical solution of the utility model is described in further detail.

Description of drawings

Fig. 1 is an overall structure schematic diagram of the present utility model.

Fig. 2 is the cutaway view of Fig. 1.

Fig. 3 is the I enlarged diagram among Fig. 2.

Fig. 4 is the II enlarged diagram among Fig. 2.

Description of reference numerals:

1-upper slitter part; Cutter part under the 2-; The last cutter shaft of 3-;

4-upper slitter shading ring; The left-handed knife assembly of going up of 5-; Knife assembly in the 6-dextrorotation;

Cutter shaft under the 7-; Cutter shading ring under the 8-; Cutter under the 9-;

10-1-locking nut one; 10-2-locking nut two; The left-handed cutter base of 11-1-;

The left-handed sliding seat of 12-1-; 13-1-upper slitter one; 14-1-spring one;

15-1-deck one; 16-1-back-up ring one; 11-2-dextrorotation cutter base;

12-2-dextrorotation sliding seat; 13-2-upper slitter two; 14-2-spring two;

15-2-deck two; 16-2-back-up ring two.

Embodiment

The accurate cutting tool of a kind of battery pole piece as illustrated in fig. 1 and 2, comprise upper slitter part 1 and following cutter part 2, described upper slitter part 1 is by last cutter shaft 3 and be installed in upper slitter shading ring 4 on the cutter shaft 3, knife assembly 6 is formed in left-handed upward knife assembly 5 and the dextrorotation, described upper slitter shading ring 4 is evenly distributed at last cutter shaft 3 middle parts, knife assembly 6 evenly is installed between the upper slitter shading ring 4 at interval in described left-handed upward knife assembly 5 and the dextrorotation, described down cutter part 2 is made up of cutter shaft 7 down and the following cutter shading ring 8 and the following cutter 9 that are installed in down on the cutter shaft 7, described under cutter shading ring 8 be evenly spaced apart with following cutter 9 at following cutter shaft 7 middle parts.

As shown in Figure 3, the described left-handed knife assembly 5 of going up is made up of left-handed cutter base 11-1, left-handed sliding seat 12-1, upper slitter one 13-1, spring one 14-1 and deck one 15-1, described left-handed sliding seat 12-1 is arranged on outside the left-handed cutter base 11-1, described upper slitter one 13-1, spring one 14-1 and deck one 15-1 are successively set on the left-handed sliding seat 12-1, and described deck one 15-1 is provided with and is used for spacing back-up ring one 16-1.

As shown in Figure 4, knife assembly 6 is made up of dextrorotation cutter base 11-2, dextrorotation sliding seat 12-2, upper slitter two 13-2, spring two 14-2 and deck two 15-2 in the described dextrorotation, described dextrorotation sliding seat 12-2 is arranged on outside the dextrorotation cutter base 11-2, described upper slitter two 13-2, spring two 14-2 and deck two 15-2 are successively set on the dextrorotation sliding seat 12-2, and described deck two 15-2 are provided with and are used for spacing back-up ring two 16-2.

As shown in Figure 1, knife assembly 6 is fixed by locking nut one 10-1 that is arranged on the cutter shaft 3 in described upper slitter shading ring 4, left-handed upward knife assembly 5 and the dextrorotation, and following cutter shading ring 8 and following cutter 9 are fixed by locking nut two 10-2 that are arranged on down on the cutter shaft 7.

Be that the pole piece of 56mm is that example is come the utility model done and specified to cut width below:

At first select suitable upper slitter shading ring and following cutter shading ring, because the left-handed width of going up knife assembly in knife assembly and the dextrorotation is 30mm, upper slitter is positioned at the left-handed knife assembly middle part in knife assembly and the dextrorotation of going up, be that distance between upper slitter and the last knife assembly both ends of the surface is 15mm, therefore going up upper slitter shading ring between the knife assembly, to select width be the specification of 26mm; Following cutter thickness is 2mm, shading ring between twice cutter point of a knife end faces is selected the specification of 56mm, shading ring width between twice cutter knife back end faces is 56-2 * 2 (following cutter width)=52mm, then the shading ring of choosing is assembled upper slitter part and following cutter part according to Fig. 1.Packing into rotates counterclockwise all sliding seats on the knife assembly before the knife rest, makes it at regular intervals to each other; Packing into clockwise rotates all sliding seats behind the knife rest, and making between upper slitter and the following cutter has certain pretightning force, and this moment, knife rest just can use.

The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection range of technical solutions of the utility model according to the utility model technical spirit.

Claims

1. the accurate cutting tool of a battery pole piece, it is characterized in that: comprise upper slitter part (1) and following cutter part (2), described upper slitter part (1) is by last cutter shaft (3) and be installed in upper slitter shading ring (4) on the cutter shaft (3), knife assembly (6) is formed in left-handed upward knife assembly (5) and the dextrorotation, described upper slitter shading ring (4) is evenly distributed at last cutter shaft (3) middle part, knife assembly (6) evenly is installed between the upper slitter shading ring (4) at interval in described left-handed upward knife assembly (5) and the dextrorotation, described down cutter part (2) is made up of cutter shaft (7) down and the following cutter shading ring (8) and the following cutter (9) that are installed in down on the cutter shaft (7), described under cutter shading ring (8) and following cutter (9) in the middle part of following cutter shaft (7), be evenly spaced apart.

2. according to the accurate cutting tool of the described battery pole piece of claim 1, it is characterized in that: the described left-handed knife assembly (5) of going up is made up of left-handed cutter base (11-1), left-handed sliding seat (12-1), upper slitter one (13-1), spring one (14-1) and deck one (15-1), described left-handed sliding seat (12-1) is arranged on outside the left-handed cutter base (11-1), described upper slitter one (13-1), spring one (14-1) and deck one (15-1) are successively set on the left-handed sliding seat (12-1), and described deck one (15-1) is provided with and is used for spacing back-up ring one (16-1).

3. according to the accurate cutting tool of the described battery pole piece of claim 1, it is characterized in that: knife assembly in the described dextrorotation (6) is made up of dextrorotation cutter base (11-2), dextrorotation sliding seat (12-2), upper slitter two (13-2), spring two (14-2) and deck two (15-2), described dextrorotation sliding seat (12-2) is arranged on outside the dextrorotation cutter base (11-2), described upper slitter two (13-2), spring two (14-2) and deck two (15-2) are successively set on the dextrorotation sliding seat (12-2), and described deck two (15-2) is provided with and is used for spacing back-up ring two (16-2).

4. according to the accurate cutting tool of the described battery pole piece of claim 1, it is characterized in that: knife assembly (6) is fixing by the locking nut one (10-1) that is arranged on the cutter shaft (3) in described upper slitter shading ring (4), left-handed upward knife assembly (5) and the dextrorotation, and following cutter shading ring (8) and following cutter (9) are fixing by the locking nut two (10-2) that is arranged on down on the cutter shaft (7).