CN202934641U

CN202934641U - Universal punching device for lithium battery pole piece

Info

Publication number: CN202934641U
Application number: CN 201120465244
Authority: CN
Inventors: 王家泳
Original assignee: ZHONGYU LI-ION BATTERY Co Ltd
Current assignee: ZHONGYU LI-ION BATTERY Co Ltd
Priority date: 2011-11-21
Filing date: 2011-11-21
Publication date: 2013-05-15
Anticipated expiration: 2021-11-21

Abstract

The utility model discloses a universal punching device for lithium battery pole pieces. The universal punching device for the lithium battery pole pieces includes a punching mold (1), a controller (3), a crank shaft (2), a sensor (5), a fixed-length feeding roller (4) and a transverse deviation-rectifying sensor (6). The controller (3) is connected with the sensor (5), the transverse deviation-rectifying sensor (6), the fixed-length feeding roller (4) and the crank shaft (2). The crank shaft (2) is connected with the punching mold (1). The universal punching device for the lithium battery pole pieces provided by the utility model has advantages that the punching mold can be used for punching the pole pieces in different longitudinal directions and of different sizes H, so that the manufacturing cost of the universal punching device for the lithium battery pole pieces is reduced, the utilization rate of the universal punching device for the lithium battery pole pieces is improved and good preparation is made for producing batteries of different capacities continuously. At the same time, the waste of copper foil aluminum is reduced, the pole piece cutting quality is improved and the cutting positioning precision is improved.

Description

A kind of universal punching equipment of lithium battery pole slice

Technical field

The utility model relates to a kind of equipment of producing lithium battery, the particularly die cutting device of lithium battery battery pole piece.

Background technology

Lithium battery is used very extensive on every industrial circle, and a variety of specifications are generally arranged, so the battery pole piece length of all size is also different.When lithium battery pole slice is die-cut, die-cut mode commonly used is generally the pole piece that a secondary die cutting die can only die-cut a kind of fixed dimension, but it is a variety of that the size of battery pole piece has, need a kind of battery pole piece to join a secondary mould, increase like this cost of exploitation different capabilities battery core, caused again each company's production battery core specification limited.

The utility model content

The technical problem that (1) will solve

Technical problem to be solved in the utility model is to allow the die cutting device of a lithium battery pole slice in the situation that do not change the different pole piece of the die-cut length dimension of die cutting die, can be good at simultaneously again the Copper Foil or the aluminium foil that cut the waste; And can cut accurately pole piece, reduce die-cut dislocation.

(2) technical scheme

for addressing the above problem, the utility model provides a kind of universal punching equipment of lithium battery pole slice, comprise die cutting die, controller, bent axle, sensor, fixed length feeding rolls and horizontal deflection correction sensor, described sensor is used for the induced electricity pole piece and is coated with intermittently position, when sensor sensing to the dispensing area afterbody and when staying coating line between white region, fixed length feeding rolls the length of sending forward again setting, the edge of a knife of die cutting die can be dropped on to be stayed in white region, described controller respectively with sensor, horizontal deflection correction sensor, fixed length feeding rolls with bent axle and is connected, described bent axle connects die cutting die, the information that described controller is responded to according to the sensor of receiving, it is die-cut that control bent axle drive die cutting die is completed decline.Its effect: when the different pole piece of die-cut length dimension, as long as according to the length specification of battery pole piece, the parameter that fixed length feeding rolls feed length is set, the edge of a knife of die cutting die can be dropped on to be stayed in white region, with regard to the different pole piece of the die-cut size of energy, realize the versatility of equipment, reduce the input of equipment and consumptive material; And can be good at the problem of die-cut dislocation due to sensor localization, and improving cutting accuracy, the strip runner that described horizontal deflection correction sensor can guarantee anti-roll strip and cross cutting is point-blank.

The universal punching equipment of above-mentioned a kind of lithium battery pole slice, described die cutting die comprises cutter, pressing plate, briquetting, stage clip and connecting rod; One end of described connecting rod inserts in the pin-and-hole of pressing plate, and cover has stage clip, and the other end and briquetting are fixedly connected, and described cutter is contained in a side of pressing plate.

The universal punching equipment of above-mentioned a kind of lithium battery pole slice, the described edge of a knife is minute front edge of a knife and a rear edge of a knife, and the stamping position of the described front edge of a knife is the afterbody of front dispensing area, and the stamping position of the described rear edge of a knife is rear dispensing area head.It does effect makes the distance of the front edge of a knife and the rear edge of a knife can limit the size of staying the white region lug, has saved to greatest extent Copper Foil, the consumption of aluminium foil.

In order to obtain better technique effect, further technical measures also comprise:

A kind of universal punching equipment of lithium battery pole slice, described equipment also comprises the unreeling shaft device, but packed battery pole coating on described unreeling shaft device can be controlled the speed and the tension force that unreel.

(3) beneficial effect

Same secondary die cutting die of the present utility model can the different pole piece of die-cut lengthwise dimension, has reduced the manufacturing cost of equipment, improves the utilization rate of equipment.For the battery of producing continuous different capabilities is carried out prerequisite; Reduce simultaneously the wastage of Copper Foil aluminium; And improved the cut quality of pole piece, improved the precision of cutting location.

Description of drawings

Fig. 1 is the schematic flow sheet of lithium battery pole slice universal punching equipment of the present utility model;

Fig. 2 is the structure chart of die cutting die 1 of the present utility model;

Fig. 3 is the edge of a knife schematic diagram of cutter 10 of the present utility model

Fig. 4 is the plane of electrode coating of the present utility model;

Fig. 5 is the battery pole piece plane after punching molding of the present utility model;

In figure 1 for die cutting die, 2 for bent axle, 3 for controller, 4 for fixed length feeding roll, 5 for sensor, 6 for horizontal deflection correction sensor, 7 for the unreeling shaft device, 8 for connecting rod, 9 for pressing plate, 10 for cutter, 11 for stage clip, 12 for briquetting, 13 for coating line, 14 for stay white region, 15 for the edge of a knife, 16 for cut-out, 17 for dispensing area, 18 be lug for the front edge of a knife, 19 is the rear edge of a knife, 20.

The specific embodiment

Below in conjunction with drawings and Examples, the specific embodiment of the present utility model is described in further detail.Following examples are used for explanation the utility model, but are not used for limiting scope of the present utility model.

Shown in Fig. 1,2,3,4,5: a kind of universal punching equipment of lithium battery pole slice, comprise die cutting die 1, controller 3, bent axle 2, sensor 5, fixed length feeding roll 4 with horizontal deflection correction sensor 6.Described sensor 5 is used for the induced electricity pole piece and is coated with intermittently position, when sensor 5 is sensed dispensing area 17 afterbodys and is stayed coating line 13 between white region 14, fixed length feeding rolls 4 and send forward the length of setting again, the edge of a knife 15 of described die cutting die 1 drops on and stays in white region 14, described controller 3 rolls 4 and is connected with bent axle 2 with sensor 5, horizontal deflection correction sensor 6, fixed length feeding respectively, described bent axle 2 connects die cutting die 1, and it is die-cut that the information control bent axle 2 drive die cutting dies 1 that described controller 3 is responded to according to the sensor 5 of receiving are completed decline.Its effect: when the different pole piece of die-cut length dimension, as long as change according to the size of dispensing area in battery pole piece 17, fixed length feeding rolls 4 and send forward the length of setting again, make the edge of a knife position alignment of die cutting die 1 stay white region 14, with regard to the different pole piece of the die-cut size of energy, realize the versatility of equipment, reduce the input of equipment and consumptive material; And because sensor 5 is located the problem that can be good at die-cut dislocation, improve cutting accuracy; The strip runner that described horizontal deflection correction sensor 6 can guarantee anti-roll strip and cross cutting point-blank.

The universal punching equipment of above-mentioned a kind of lithium battery pole slice, described die cutting die 1 comprises cutter 10, pressing plate 9, briquetting 12, stage clip 11 and connecting rod 8; One end of described connecting rod 8 inserts in the pin-and-hole of pressing plate 9, and cover has stage clip 11, and the other end and briquetting 12 are fixedly connected, and described cutter 10 is contained in a side of pressing plate 9.

The universal punching equipment of above-mentioned a kind of lithium battery pole slice, described cutter 10 is staying in white region 14 at the edge of a knife 15 of punching press on battery pole piece; The described edge of a knife 15 is minute a front edge of a knife 18 and the rear edge of a knife 19, and the stamping position of the described front edge of a knife 18 is the afterbody of front dispensing area 17, and the stamping position of the described rear edge of a knife 19 is at rear dispensing area 17 heads.It does effect makes the front edge of a knife 18 and the distance of the rear edge of a knife 19 can limit the size of staying white region lug 20, has saved to greatest extent Copper Foil, the consumption of aluminium foil.

A kind of universal punching equipment of lithium battery pole slice, described equipment also comprises unreeling shaft device 7, but packed battery pole coating on described unreeling shaft device 7 can be controlled the speed and the tension force that unreel.

When pole piece is die-cut, need not change die cutting die 1, as long as according to the length specification of battery pole piece, the parameter that fixed length feeding rolls 4 feed lengths is set, the edge of a knife 15 of die cutting die 1 can be fallen stay the interior described front edge of a knife 18 of white region 14 to drop on simultaneously with the rear edge of a knife 19 appropriate location of staying white region 14, the afterbody of the die-cut front dispensing area 17 of the front edge of a knife 18, the head of the die-cut rear dispensing area 17 of the rear edge of a knife 19 is after completing process, pole piece travels forward under driven by motor, repeats said process.Pole piece is controlled speed and the tension force that unreels by unreeling shaft device 7, roll 4 power that the pole piece motion is provided by fixed length feeding, laterally adds deflection correction sensor 6 simultaneously and guarantees anti-roll strip and die-cut strip runner point-blank.

The above is only preferred embodiment of the present utility model, under the prerequisite that does not break away from the utility model know-why, can also make some improvements and modifications, and these improvements and modifications also should be considered as protection domain of the present utility model.

Claims

1. the universal punching equipment of a lithium battery pole slice is characterized in that: described equipment comprises that die cutting die (1), controller (3), bent axle (2), sensor (5), fixed length feeding roll (4) and horizontal deflection correction sensor (6); State sensor (5) for induced electricity pole piece coating position at intermittence, when sensor (5) is sensed dispensing area (17) and is stayed coating line (13) between white region (14), fixed length feeding rolls (4) and send forward the length of setting again, the edge of a knife (15) of die cutting die (1) is dropped on stay in white region (14); Described controller (3) rolls (4) and is connected with bent axle (2) with sensor (5), horizontal deflection correction sensor (6), fixed length feeding respectively, and described bent axle (2) connects die cutting die (1); The information that described controller (3) is responded to according to the sensor (5) of receiving, it is die-cut that control bent axle (2) drive die cutting die (1) is completed decline.

2. the universal punching equipment of lithium battery pole slice according to claim 1, it is characterized in that: described die cutting die (1) comprises cutter (10), pressing plate (9), briquetting (12), stage clip (11) and connecting rod (8); One end of described connecting rod (8) inserts in the pin-and-hole of pressing plate (9), and cover has stage clip (11), and the other end and briquetting (12) are fixedly connected, and described cutter (10) is contained in a side of pressing plate (9).

3. the universal punching equipment of lithium battery pole slice according to claim 1, it is characterized in that: the described edge of a knife (15) comprises the front edge of a knife (18) and the rear edge of a knife (19), the stamping position of the described front edge of a knife (18) is the afterbody of front dispensing area (17), and the stamping position of the described rear edge of a knife (19) is rear dispensing area (17) head.

4. the universal punching equipment of the described a kind of lithium battery pole slice of according to claim 1 to 3 any one, it is characterized in that: described equipment also comprises unreeling shaft device (7), and the battery pole piece coating is housed on described unreeling shaft device (7).