CN204122935U - A kind of lug processing unit (plant) - Google Patents
A kind of lug processing unit (plant) Download PDFInfo
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- CN204122935U CN204122935U CN201420455192.0U CN201420455192U CN204122935U CN 204122935 U CN204122935 U CN 204122935U CN 201420455192 U CN201420455192 U CN 201420455192U CN 204122935 U CN204122935 U CN 204122935U
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- laser cutting
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Abstract
The utility model is applicable to the technical field of lithium ion cell polar ear manufacturing equipment, disclose a kind of lug processing unit (plant), comprise frame, control system, pole piece conveying device, and pole piece wrap-up, laser cutting device, laser cutting device comprises Cutting platform, laser cutting head, laser galvanometer mechanism, laser generator, and the driving mechanism of driving laser cutting head, Cutting platform is provided with the dead slot for laser cutting head cutting lug, the laser that laser generator produces is by laser galvanometer mechanism directive laser cutting head, the laser emission point of laser cutting head is positioned at directly over dead slot.A kind of lug processing unit (plant) that the utility model provides, cutting accuracy is high, adopt the processing mode of the rear rolling of first cutting, laser cutting device and pole piece wrap-up are integrated mutually, make lug tight with coordinating of battery, improve the result of use of battery apparatus, also reduce processing cost simultaneously, thus be beneficial to the combination property and the market competitiveness that improve lithium battery.
Description
[technical field]
The utility model relates to lithium ion cell polar ear manufacturing equipment, particularly a kind of lug processing unit (plant).
[background technology]
Lug on battery pole piece is the important composition parts of battery, is the unit that battery is connected with external circuit, directly affects the stability of battery.Existing various batteries use the following two kinds method to obtain the battery core being connected with multiple lug groups that one or more lug is formed usually.
First method is, winding or stacking before, cut out lug and positive/negative plate respectively in advance, positive/negative plate is coated with corresponding electrode material, and by the corresponding reserved location place of tab welding to positive/negative plate, to lug be welded with subsequently and the positive/negative plate being coated with electrode material clips the lamination of barrier film with " positive plate/barrier film/negative plate/barrier film ", around volume pin winding or stacking, form battery core.
Another kind method is, positive/negative plate reserves position, and cut out lug at this reserved location, thus the positive/negative plate obtained with lug, corresponding electrode material is coated with on the positive/negative plate of lug described, and it is carried out reeling with the lamination that " positive plate/barrier film/negative plate/barrier film " clips barrier film or stacking, form battery core.
First method Problems existing is, the lamination thickness at tab welding place is different from the thickness of the remainder of lamination, causes lamination thickness uneven, thus cannot reel or the shape and structure of stacking formation uniformity, thus affects the performance of battery.And although the second lug cutting method alleviates the problem of lamination thickness uniformity, but accurately aim at each lug in a lug group after cannot guaranteeing to form battery core, especially for the winding battery of cylindrical shape, the diameter of each laminates reeled is all different, and cannot accurately predicting based on the elasticity of winding and error, thus, lug cannot be cut out in advance before being reeled up on exact position, and along with the increasing of lug quantity of each lug group, position deviation between this group lug is larger, causes lug sum limited.For the demand of high power battery now, cause needing larger charging and discharging currents, thus need lug group to comprise the lug of sufficient amount.Thus, these two kinds existing methods all cannot meet the demand of high power battery for lug group.
[utility model content]
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provides a kind of lug processing unit (plant), and it is intended to solve lug of the prior art cannot coordinate with battery the technical problem that the battery performance caused is poor, power is low.
The utility model can also solve lug processing in prior art simultaneously and be separated from each other the caused technical problem that production space is large, landed cost is high with wrap-up.
For achieving the above object, the utility model proposes a kind of lug processing unit (plant), comprise frame, control system, pole piece conveying device, and pole piece wrap-up, also comprise laser cutting device, described laser cutting device comprises Cutting platform, laser cutting head, laser galvanometer mechanism, laser generator, and the driving mechanism of laser cutting head described in driving, described Cutting platform is provided with the dead slot for described laser cutting head cutting lug, the laser that described laser generator produces is by laser galvanometer mechanism directive laser cutting head, the laser emission point of described laser cutting head is positioned at directly over dead slot.
As preferably, described Cutting platform is at least provided with two dead slots, described laser cutting head is at least provided with two operating positions, and described operating position lays respectively at directly over corresponding dead slot.
As preferably, described laser galvanometer mechanism comprises X-axis galvanometer, the X-axis speculum matched with X-axis galvanometer, Y-axis galvanometer, the Y-axis speculum matched with Y-axis galvanometer and the galvanometer drive system driving X-axis speculum and Y-axis speculum, and the laser that described laser generator produces is successively by injecting laser cutting head after X-axis speculum and Y-axis speculum.
As preferably, described driving mechanism comprises servomotor, ball screw, slide rail and slide block, described driven by servomotor ball screw, and described slide block is connected with ball screw and slides along slide rail under the driving of ball screw.
As preferably, described laser cutting device also comprises the depth of focus micro-adjusting mechanism of the distance regulating laser emission point and pole piece to be cut.
As preferably, described laser cutting device also comprises position-limit mechanism;
Described position-limit mechanism is installed above slide rail, and described position-limit mechanism comprises fixed head and is arranged on two limit induction devices on fixed head, and the position of described limit induction device is adjustable;
Described slide block is connected with the fixed head of position-limit mechanism, and described depth of focus micro-adjusting mechanism is fixed on fixed head, and described laser cutting head is fixed on depth of focus micro-adjusting mechanism.
As preferably, described pole piece wrap-up comprises deviation correction mechanism and tape splicing mechanism.
The beneficial effects of the utility model: compared with prior art, a kind of lug processing unit (plant) that the utility model provides, control simple, cutting accuracy is high, adopts the processing mode of the rear rolling of first cutting, laser cutting device and pole piece wrap-up is integrated mutually, make lug tight with coordinating of battery, improve the result of use of battery apparatus, also reduce processing cost simultaneously, thus be beneficial to the combination property and the market competitiveness that improve lithium battery.
Feature of the present utility model and advantage will be described in detail by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the top view of laser cutting device in the utility model embodiment;
Fig. 3 is the structural representation of laser galvanometer mechanism in the utility model embodiment.
[detailed description of the invention]
For making the purpose of this utility model, technical scheme and advantage clearly understand, below by accompanying drawing and embodiment, the utility model is further elaborated.But should be appreciated that, specific embodiment described herein, only in order to explain the utility model, is not limited to scope of the present utility model.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring concept of the present utility model.
Consult Fig. 1 and Fig. 2, the utility model embodiment provides a kind of lug processing unit (plant), comprises frame 1, control system, pole piece conveying device 2, pole piece wrap-up 3 and laser cutting device.Pole piece wrap-up 3 comprises deviation correction mechanism 31 and tape splicing mechanism 32.Laser cutting device comprises the driving mechanism 45 of Cutting platform 41, laser cutting head 42, laser galvanometer mechanism 43, laser generator 44 and driving laser cutting head 42, Cutting platform 41 is provided with the dead slot 411 cutting lug for laser cutting head 42, the laser that laser generator 44 produces is by laser galvanometer mechanism 43 directive laser cutting head 42, and the laser emission point of laser cutting head 42 is positioned at directly over dead slot 411.
Particularly, Cutting platform 41 is at least provided with two dead slots 411, laser cutting head 42 is at least provided with two operating positions, and operating position lays respectively at directly over corresponding dead slot 411.
The utility model adopts the processing mode of the rear rolling of first cutting, laser cutting device and pole piece wrap-up 3 phase are integrated, effectively can solve lug processing in prior art and be separated from each other the caused technical problem that production space is large, landed cost is high with wrap-up, make lug processing cost low, simple to operate.
Further, driving mechanism 45 comprises servomotor, ball screw, slide rail and slide block 451, driven by servomotor ball screw, and slide block 451 is connected with ball screw and slides along slide rail under the driving of ball screw.
Particularly, referring again to Fig. 3, laser galvanometer mechanism 43 comprises X-axis galvanometer 431, the X-axis speculum 432 matched with X-axis galvanometer 431, Y-axis galvanometer 433, the Y-axis speculum 434 matched with Y-axis galvanometer 433 and the galvanometer drive system driving X-axis speculum 432 and Y-axis speculum 434, and the laser that laser generator 44 produces is successively by injecting laser cutting head 42 after X-axis speculum 432 and Y-axis speculum 434.The laser conversion of generation is the signal of telecommunication by this kind of structure, and make user can manipulate by computer remote the course of work adjusting laser cutting lug, thus lug machining accuracy is improved, the speed of processing also significantly promotes.
Simultaneously, the instruction that galvanometer drive system can send according to computer controls the reflection angle of X-axis speculum 432 and Y-axis speculum 434, when making to process lug, size shape all can arbitrarily change, make lug tight with coordinating of battery, solve lug of the prior art and cannot coordinate with battery the technical problem that the battery performance caused is poor, power is low.
In order to realize technical purpose of the present utility model better, laser cutting device also comprises the depth of focus micro-adjusting mechanism 46 of the distance regulating laser emission point and pole piece to be cut.
Wherein, laser cutting device also comprises position-limit mechanism 47, and position-limit mechanism 47 is installed above slide rail, two limit induction devices that position-limit mechanism 47 comprises fixed head 471 and is arranged on fixed head 471, and the position of limit induction device is adjustable.Slide block 451 is connected with the fixed head 471 of position-limit mechanism 47, and depth of focus micro-adjusting mechanism 46 is fixed on fixed head 471, and laser cutting head 42 is fixed on depth of focus micro-adjusting mechanism 46.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace or improvement etc., all should be included within protection domain of the present utility model.
Claims (7)
1. a lug processing unit (plant), it is characterized in that: comprise frame (1), control system, pole piece conveying device (2), and pole piece wrap-up (3), it is characterized in that, also comprise laser cutting device, described laser cutting device comprises Cutting platform (41), laser cutting head (42), laser galvanometer mechanism (43), laser generator (44), and the driving mechanism (45) of laser cutting head (42) described in driving, described Cutting platform (41) is provided with the dead slot (411) for described laser cutting head (42) cutting lug, the laser that described laser generator (44) produces is by laser galvanometer mechanism (43) directive laser cutting head (42), the laser emission point of described laser cutting head (42) is positioned at directly over dead slot (411).
2. a kind of lug processing unit (plant) as claimed in claim 1, it is characterized in that: described Cutting platform (41) is at least provided with two dead slots (411), described laser cutting head (42) is at least provided with two operating positions, and described operating position lays respectively at directly over corresponding dead slot (411).
3. a kind of lug processing unit (plant) as claimed in claim 1 or 2, it is characterized in that: described laser galvanometer mechanism (43) comprises X-axis galvanometer (431), the X-axis speculum (432) matched with X-axis galvanometer (431), Y-axis galvanometer (433), the Y-axis speculum (434) matched with Y-axis galvanometer (433), and drive the galvanometer drive system of X-axis speculum (432) and Y-axis speculum (434), the laser that described laser generator (44) produces is successively by injecting laser cutting head (42) after X-axis speculum (432) and Y-axis speculum (434).
4. a kind of lug processing unit (plant) as claimed in claim 1 or 2, it is characterized in that: described driving mechanism (45) comprises servomotor, ball screw, slide rail and slide block (451), described driven by servomotor ball screw, described slide block (451) is connected with ball screw and slides along slide rail under the driving of ball screw.
5. a kind of lug processing unit (plant) as claimed in claim 4, is characterized in that: described laser cutting device also comprises the depth of focus micro-adjusting mechanism (46) of the distance regulating laser emission point and pole piece to be cut.
6. a kind of lug processing unit (plant) as claimed in claim 5, is characterized in that: described laser cutting device also comprises position-limit mechanism (47);
Described position-limit mechanism (47) is installed above slide rail, described position-limit mechanism (47) comprises fixed head (471) and is arranged on two limit induction devices on fixed head (471), and the position of described limit induction device is adjustable;
Described slide block (451) is connected with the fixed head (471) of position-limit mechanism (47), described depth of focus micro-adjusting mechanism (46) is fixed on fixed head (471), and described laser cutting head (42) is fixed on depth of focus micro-adjusting mechanism (46).
7. a kind of lug processing unit (plant) as claimed in claim 1 or 2, is characterized in that: described pole piece wrap-up (3) comprises deviation correction mechanism (31) and tape splicing mechanism (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420455192.0U CN204122935U (en) | 2014-08-12 | 2014-08-12 | A kind of lug processing unit (plant) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420455192.0U CN204122935U (en) | 2014-08-12 | 2014-08-12 | A kind of lug processing unit (plant) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204122935U true CN204122935U (en) | 2015-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420455192.0U Expired - Lifetime CN204122935U (en) | 2014-08-12 | 2014-08-12 | A kind of lug processing unit (plant) |
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| Country | Link |
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| CN (1) | CN204122935U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107427965A (en) * | 2016-01-06 | 2017-12-01 | 欧爱西株式会社 | The manufacture method and its device of the electrode slice at band connection end |
| CN108439001A (en) * | 2018-04-08 | 2018-08-24 | 嘉兴市布雷塑胶新材料有限公司 | A kind of convenient suitcase cloth separate winder of cutting |
| CN115121966A (en) * | 2022-06-22 | 2022-09-30 | 上海兰钧新能源科技有限公司 | a die-cutting equipment |
| CN115709344A (en) * | 2022-10-31 | 2023-02-24 | 惠州锂威新能源科技有限公司 | Pole piece laser slitting and cleaning device and cleaning process |
-
2014
- 2014-08-12 CN CN201420455192.0U patent/CN204122935U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107427965A (en) * | 2016-01-06 | 2017-12-01 | 欧爱西株式会社 | The manufacture method and its device of the electrode slice at band connection end |
| CN107427965B (en) * | 2016-01-06 | 2019-03-05 | 欧爱西株式会社 | The manufacturing method and its device of the electrode slice at band connection end |
| CN108439001A (en) * | 2018-04-08 | 2018-08-24 | 嘉兴市布雷塑胶新材料有限公司 | A kind of convenient suitcase cloth separate winder of cutting |
| CN115121966A (en) * | 2022-06-22 | 2022-09-30 | 上海兰钧新能源科技有限公司 | a die-cutting equipment |
| CN115709344A (en) * | 2022-10-31 | 2023-02-24 | 惠州锂威新能源科技有限公司 | Pole piece laser slitting and cleaning device and cleaning process |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150128 |