CN102642087A - Laser cutting dust removal device - Google Patents
Laser cutting dust removal device Download PDFInfo
- Publication number
- CN102642087A CN102642087A CN2012100984745A CN201210098474A CN102642087A CN 102642087 A CN102642087 A CN 102642087A CN 2012100984745 A CN2012100984745 A CN 2012100984745A CN 201210098474 A CN201210098474 A CN 201210098474A CN 102642087 A CN102642087 A CN 102642087A
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- dust
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- protective cover
- backing plate
- sheet stock
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Abstract
The invention discloses a laser cutting dust removal system, which comprises a laser head and a cutting mat, wherein the laser head is arranged above the cutting mat. The laser cutting dust removal system also comprises a dust suction fan, a protective cover and a first dust suction pipe, wherein the protective cover is arranged between the laser head and the cutting mat in a surrounding way, and one end of the first dust suction pipe is communicated with the dust suction fan; and the other end of the first dust suction pipe is communicated with the inside space of the protective cover. Through the laser cutting dust removal system provided by the invention, dust adhered to the surface of a piece material can be effectively removed, and the situation that the dust attached to a pole piece coiled material is brought to the follow-up working procedures, and even is rolled into a battery to pierce diaphragm paper in a cell can be avoided, so that the hidden dangers that the battery explosion is caused by the micro short circuit of the battery can be reduced, and thus the popularization and widespread application of the laser cutting process of tabs can be promoted.
Description
Technical field
The present invention relates to field of batteries, relate in particular to a kind of cut dust pelletizing system.
Background technology
In the lithium ion battery production technology, can obtain the lug on the pole piece through the mode of lug welding or cut.
Particularly, the lug welding is meant the mode soldering polar ear on the pole piece sheet stock through ultra-sonic welded, yet; Receive the influence of factors such as processing quality, supplied materials quality; The reliability of lug welding procedure is relatively low, and the performance to battery impacts sometimes, causes product percent of pass not high.
The cut lug is meant and utilizes laser head to cut out the shape of lug at the blank space of pole piece sheet stock that the lug that this technology obtained is compared with the lug of ultra-sonic welded, not only be connected firmly, and electric conductivity is good, can effectively guarantee the performance of battery.Yet, can produce dust in the process of laser instrument cutting pole piece, if these dust are attached to the operation that is brought into the back on the pole piece coiled material; Even be involved in inside battery; Just be easy to pierce through the diaphragm paper of electric in-core, cause the battery micro-short circuit, even cause potential safety hazards such as battery explosion.Therefore removing dust is important step in the cut lug operation, and also this problem has just limited the popularization and generally use of the technology of present cut lug.
Summary of the invention
The technical problem underlying that the present invention will solve is, a kind of cut dust pelletizing system is provided, and can effectively remove the dust that remains in the laser cutting process on the sheet stock, reduces potential safety hazard.
For solving the problems of the technologies described above; The present invention provides a kind of cut dust pelletizing system, comprises laser head and cutting backing plate, and said laser head is arranged on the top of said cutting backing plate; Also comprise dust absorption fan, protective cover and first sweep-up pipe; Said protective cover is around between said laser head and the cutting backing plate, and an end of said first sweep-up pipe communicates with said dustproof blower fan, and the other end communicates with the inner space of said protective cover.
Preferably; Also comprise ion blower; The middle part of said cutting backing plate has the sheet stock support zone; The both sides of said sheet stock support zone also are provided with inlet channel and the bleed-off passage that communicates with said sheet stock support zone respectively; The surface of said cutting backing plate also has ion wind air admission hole and the ion wind aspirating hole that communicates with said inlet channel and bleed-off passage respectively, and said ion blower communicates with said ion wind air admission hole through tracheae, and said dust absorption fan communicates with said ion wind aspirating hole through tracheae.
Further, be connected on the tracheae between said ion blower and the ion wind air admission hole also installation rate control valve.
Among a kind of embodiment, said cutting backing plate is provided with the groove that a plurality of bottoms communicate at its sheet stock support zone, and the bearing of trend of said groove is vertical with the direction that sheet stock seesaws, and the bottom of said groove also communicates with said inlet channel and bleed-off passage.
Connecting portion between adjacent two the said grooves protrusion-shaped brace rod into strips that makes progress.
Preferably, dust shield is also installed in the sidewall outside of said protective cover, and the inner space of said protective cover also is provided with at least one suction port that communicates with said dust shield, and said dust shield communicates with the other end of said first sweep-up pipe.
In a kind of embodiment, said suction port has two groups, is separately positioned on the sidepiece and the rear portion of said cutting backing plate top.
The sidewall of said protective cover comprises corresponding antetheca and the rear wall of direction that seesaws with sheet stock, and said antetheca comprises transparent prevention plate.
Further, also comprise second sweep-up pipe, dust-absorbing box is also installed in the below of said cutting backing plate, and an end of said second sweep-up pipe communicates with said dustproof blower fan, and the other end communicates with the inner space of said dust-absorbing box.
Said cut dust pelletizing system is lithium battery pole plate cutting dust pelletizing system.
The invention has the beneficial effects as follows: cut dust pelletizing system of the present invention adopts dust cover to impale the space between cutting backing plate and the laser head; And the inner space of dust cover communicates with dustproof blower fan; In the process that laser head cuts sheet stock; The particle diameter that sticks to sheet stock surface is that the dust below the 5.0 μ m can effectively be removed down at the suction function that dustproof blower fan provides, and avoids dust attached to being brought into operation at the back on the pole piece coiled material, even is involved in inside battery and pierces through the diaphragm paper of electric in-core; Therefore reduce the potential safety hazards such as battery explosion that the battery micro-short circuit causes, therefore can promote the popularization of cut lug technology and generally use.
Description of drawings
Fig. 1 is the lug cutting technique intention of the pole piece of an embodiment of the present invention;
Fig. 2 is the cut dust pelletizing system structural representation of an embodiment of the present invention;
Fig. 3 is the cutting backing plate front view of the another kind of embodiment of the present invention;
Fig. 4 is the cutting backing plate vertical view of the another kind of embodiment of the present invention;
Fig. 5 is the cutaway view of A-A direction among Fig. 4;
Fig. 6 is the partial enlarged drawing of P position among Fig. 5.
The specific embodiment
Combine accompanying drawing that the present invention is done further explain through the specific embodiment below.
The present invention has protected a kind of cut dust pelletizing system; Adopt dust cover to impale the space between cutting backing plate and the laser head; And the inner space of dust cover communicates with dustproof blower fan; In the process that laser head cuts sheet stock, stick to the suction function effectively removal down that the dust on sheet stock surface can provide at dustproof blower fan.
The cut dust pelletizing system of this embodiment is used for the sheet stock of electrodes of lithium-ion batteries shown in Figure 1 is cut formation lug 11.Sheet stock comprises the white region that stays shown in dispensing area shown in the D position and the E position, and sheet stock ceaselessly moves horizontally along direction shown in the arrow continuously, and laser head cuts sheet stock according to the dotted line shown in the F position and forms lug 11.
Please refer to Fig. 2; The cut dust pelletizing system of this embodiment comprises laser head 34, dust absorption fan 35, protective cover 26, cutting backing plate 23, ion blower, speed control valve 24, dust shield 27, first sweep-up pipe 28, second sweep-up pipe 36, dust-absorbing box 32, and laser head 34, dust absorption fan 35, protective cover 26 can all be installed on the base.
Wherein, Cutting backing plate 23 is installed on the base through pad bearing 33, is used to support sheet stock, and laser head 34 is arranged on the top of cutting backing plate 23; Be used for sheet stock is cut the formation lug; Protective cover 23 is around between laser head 34 and the cutting backing plate 23, and an end of first sweep-up pipe 28 communicates with dustproof blower fan 35, and the other end communicates with the inner space of protective cover 26.In this embodiment; First sweep-up pipe 28 can communicate with the sidepiece of protective cover 26, and dust shield 27 is also installed in the sidewall outside of protective cover 23, and the inner space of protective cover 23 also is provided with at least one suction port that communicates with dust shield 27; Dust shield 27 communicates with the other end of first sweep-up pipe 28; The quantity of suction port and position can be provided with according to concrete needs, and for example suction port can have two groups, and every group has one; The sidepiece and the rear portion that are separately positioned on cutting backing plate 23 tops form preceding suction port 29 and back suction port 31, also fix through 30 pairs of each suction ports of fixed head in the protective cover 26.
Shape, the size of protective cover 23 and dust shield 37 all can be provided with flexibly.Protective cover 23 is used to seal the space between laser head 34 and the cutting backing plate 23, makes the interior dust of this confined space as much as possible under the suction function that dust absorption fan 35 provides, through 28 extractions of first sweep-up pipe.It is bigger that the dust cover 37 of present embodiment forms front opening, and the cone-shaped cavity that the rear end is less is convenient to through the dust in each suction port sucking-off protective cover 23.Among a kind of embodiment, protective cover 23 is square, and its sidewall comprises corresponding antetheca and the rear wall of direction that seesaws with sheet stock, and antetheca comprises the transparent prevention plate that preventing laser destroys, and is convenient to operating personnel and observes the situation in the protective cover 26.Dust-absorbing box 32 is installed on the pad bearing 33, and be positioned at cutting backing plate 23 under, make pad bearing 33 dust-absorbing box 32 with cut between the backing plate 23.One end of second sweep-up pipe 36 communicates with dustproof blower fan 35, and the other end communicates with the inner space of dust-absorbing box 32.Behind the configuration dust shield case 32, the dust that it can be produced from the process of cutting backing plate 23 belows absorption cut sheet stock matches with protective cover 26 each interior suction port, removes the dust that remains on the sheet stock more fully and effectively from all angles and position.
Can flow control valve be set as required all on first sweep-up pipe 28 and second sweep-up pipe 36, the throughput that is used to regulate this pipeline, thus change the size of negative pressure in the protective cover 36 as the case may be flexibly.
Please combine Fig. 3 to Fig. 6; The middle part of cutting backing plate 23 has the sheet stock support zone; Be used for thin sheet stock is supported; The both sides of this sheet stock support zone also are provided with inlet channel and the bleed-off passage that communicates with the sheet stock support zone respectively, and the surface (especially side) of cutting backing plate 23 also has the ion wind air admission hole 232 and ion wind aspirating hole 231 that communicates with inlet channel and bleed-off passage respectively, and ion blower communicates with ion wind air admission hole 232 through a tracheae; Be used for ion wind being provided to the sheet stock support zone; To remove static, stick to the dust on the sheet stock so that remove more effectively, dust absorption fan 35 communicates with ion wind aspirating hole 231 through another root tracheae.Further, be connected and go back the installation rate control valve on the tracheae between ion blower and the ion wind air admission hole 232, be used for the flow of flexible ion wind.
The shape of cutting backing plate 23 and sheet stock support zone thereof is provided with big I as required flexibly; The sheet stock support zone can be corresponding with the cut zone of laser head; For example in the embodiment among the figure, at its sheet stock support zone the groove 233 that a plurality of bottoms communicate is set, the bearing of trend of groove 233 is vertical with the proal direction of sheet stock; And the bottom of groove 233 also communicates with inlet channel and bleed-off passage; Connecting portion between adjacent two grooves 23 protrusion-shaped brace rod 234 into strips that makes progress, its cross section are presented little big taper down, and top width only has 0.05mm.The effect of brace rod 234 has two, and during the cut pole piece, pole piece has the trend of distortion downwards under the effect of laser and dust absorption fan; The pole piece strip of tightening simultaneously changes through the cut backward pull also can produce distortion; The support of supporting rib has been arranged, and one can prevent above-mentioned distortion, and two can utilize ion wind to destatic more easily; Make dust under the effect of dust absorption fan, break away from the pole piece surface more easily, thereby reach the purpose of effective dedusting.
When native system uses in reality; Before cut begins, at first need adjust equipment, confirm the cutting path of laser on pole piece sheet stock applying area; Because in laser cutting process; The pole piece sheet stock ceaselessly travels forward, and in order can to repeat at the cutting path that cuts out on the pole piece sheet stock shown in F position among Fig. 1, laser should be the relative cutting path shown in C position among Fig. 4 with respect to the path of fixed cutting backing plate 23.Avoid cutting the brace rod on the backing plate as much as possible; Afterwards when the pole piece sheet stock is transported to the laser instrument cutting zone; Laser head and dust absorption fan and ion blower start; Form negative pressure in the protective cover very soon, after the dust that dust that produces in the laser cutting process and pole piece sheet stock adhere in course of conveying destatics through ion wind, siphoned away by dust absorption fan through ion wind aspirating hole, dust-absorbing box and front and back suction port on the cutting backing plate.
Cut dust pelletizing system of the present invention is simple in structure, with low cost, easy to use; Can use in all kinds of laser cutting parameters, especially in the lug cutting technique of lithium-ions battery pole piece, can the size particles dust that adhere to pole piece sheet stock surface at the volley effectively be cleaned; Can remove particle diameter is the dust below the 5.0 μ m; When providing safeguard, also effectively improved battery production efficient, reduced potential safety hazard for the later process of battery production.
Above content is to combine concrete embodiment to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, can also make some simple deduction or replace, all should be regarded as belonging to protection scope of the present invention.
Claims (10)
1. cut dust pelletizing system; Comprise laser head and cutting backing plate, said laser head is arranged on the top of said cutting backing plate, it is characterized in that; Also comprise dust absorption fan, protective cover and first sweep-up pipe; Said protective cover is around between said laser head and the cutting backing plate, and an end of said first sweep-up pipe communicates with said dustproof blower fan, and the other end communicates with the inner space of said protective cover.
2. the system of claim 1; It is characterized in that; Also comprise ion blower; The middle part of said cutting backing plate has the sheet stock support zone, and the both sides of said sheet stock support zone also are provided with inlet channel and the bleed-off passage that communicates with said sheet stock support zone respectively, and the surface of said cutting backing plate also has ion wind air admission hole and the ion wind aspirating hole that communicates with said inlet channel and bleed-off passage respectively; Said ion blower communicates with said ion wind air admission hole through tracheae, and said dust absorption fan communicates with said ion wind aspirating hole through tracheae.
3. system as claimed in claim 2 is characterized in that, is connected and goes back the installation rate control valve on the tracheae between said ion blower and the ion wind air admission hole.
4. system as claimed in claim 2; It is characterized in that; Said cutting backing plate is provided with the groove that a plurality of bottoms communicate at its sheet stock support zone, and the bearing of trend of said groove is vertical with the direction that sheet stock seesaws, and the bottom of said groove also communicates with said inlet channel and bleed-off passage.
5. system as claimed in claim 4 is characterized in that, the protrusion-shaped brace rod into strips that makes progress of the connecting portion between adjacent two said grooves.
6. the system of claim 1; It is characterized in that; Dust shield is also installed in the sidewall outside of said protective cover, and the inner space of said protective cover also is provided with at least one suction port that communicates with said dust shield, and said dust shield communicates with the other end of said first sweep-up pipe.
7. the system of claim 1 is characterized in that, said suction port has two groups, is separately positioned on the sidepiece and the rear portion of said cutting backing plate top.
8. the system of claim 1 is characterized in that, the sidewall of said protective cover comprises corresponding antetheca and the rear wall of direction that seesaws with sheet stock, and said antetheca comprises transparent prevention plate.
9. the system of claim 1 is characterized in that, also comprises second sweep-up pipe, and dust-absorbing box is also installed in the below of said cutting backing plate, and an end of said second sweep-up pipe communicates with said dustproof blower fan, and the other end communicates with the inner space of said dust-absorbing box.
10. like each described system in the claim 1 to 9, it is characterized in that said cut dust pelletizing system is lithium battery pole plate cutting dust pelletizing system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210098474.5A CN102642087B (en) | 2012-04-06 | 2012-04-06 | Laser cutting dust removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210098474.5A CN102642087B (en) | 2012-04-06 | 2012-04-06 | Laser cutting dust removal device |
Publications (2)
| Publication Number | Publication Date |
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| CN102642087A true CN102642087A (en) | 2012-08-22 |
| CN102642087B CN102642087B (en) | 2014-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210098474.5A Active CN102642087B (en) | 2012-04-06 | 2012-04-06 | Laser cutting dust removal device |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103753017A (en) * | 2013-10-18 | 2014-04-30 | 昆山思拓机器有限公司 | Ionic dust control unit |
| CN104148811A (en) * | 2014-07-30 | 2014-11-19 | 苏州市华宁机械制造有限公司 | Laser cutting machine with long service life |
| CN104889566A (en) * | 2015-06-24 | 2015-09-09 | 中山汉通激光设备有限公司 | Battery pole piece laser cutting machine |
| CN104972227A (en) * | 2015-06-29 | 2015-10-14 | 宁德时代新能源科技有限公司 | Laser continuous cutting device having dedusting function |
| CN105016103A (en) * | 2014-08-27 | 2015-11-04 | 东莞市佳的自动化设备科技有限公司 | Material collecting mechanism and method for full-automatic pole piece laser cutting forming machine |
| CN105855701A (en) * | 2016-06-08 | 2016-08-17 | 成都市松川金属材料有限公司 | Workbench of fiber laser cutting machine |
| CN106374082A (en) * | 2016-11-11 | 2017-02-01 | 无锡先导智能装备股份有限公司 | Pole piece die cutting device by ozone treatment |
| CN106735891A (en) * | 2017-03-09 | 2017-05-31 | 深圳吉阳智能科技有限公司 | Laser cuts lug dust pelletizing system and method |
| CN106799543A (en) * | 2016-12-21 | 2017-06-06 | 成都国珈星际固态锂电科技有限公司 | Laser die cutting clamping device and battery pole piece laser die cutting method |
| CN107127458A (en) * | 2017-05-26 | 2017-09-05 | 东莞市盛雄激光设备有限公司 | The full-automatic double-ended ultraviolet cutting machine of double |
| CN108213730A (en) * | 2017-12-29 | 2018-06-29 | 广州超音速自动化科技股份有限公司 | A kind of battery pole piece cutter device of recyclable dust |
| CN108500471A (en) * | 2018-04-26 | 2018-09-07 | 厦门钺科工贸有限公司 | Fully-automatic laser engraving equipment |
| CN110153569A (en) * | 2019-05-31 | 2019-08-23 | 深圳市海目星激光智能装备股份有限公司 | A kind of battery pole ear laser cutting device |
| CN110640331A (en) * | 2019-08-23 | 2020-01-03 | 大族激光科技产业集团股份有限公司 | Laser cutting tool and laser cutting production line for soft package battery tabs |
| CN112935579A (en) * | 2021-01-29 | 2021-06-11 | 大族激光科技产业集团股份有限公司 | Laser film cutting equipment |
| CN113787267A (en) * | 2021-10-28 | 2021-12-14 | 广东中科微精光子制造科技有限公司 | Golden finger laser cutting system and cutting method |
| CN114074225A (en) * | 2020-08-11 | 2022-02-22 | Da技术有限公司 | Laser grooving system for electrodes |
| CN115625437A (en) * | 2022-12-21 | 2023-01-20 | 江苏东方九天新能源材料有限公司 | A nickel plating steel band laser cutting machine for lithium cell |
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103753017A (en) * | 2013-10-18 | 2014-04-30 | 昆山思拓机器有限公司 | Ionic dust control unit |
| CN104148811A (en) * | 2014-07-30 | 2014-11-19 | 苏州市华宁机械制造有限公司 | Laser cutting machine with long service life |
| CN105016103A (en) * | 2014-08-27 | 2015-11-04 | 东莞市佳的自动化设备科技有限公司 | Material collecting mechanism and method for full-automatic pole piece laser cutting forming machine |
| CN104889566A (en) * | 2015-06-24 | 2015-09-09 | 中山汉通激光设备有限公司 | Battery pole piece laser cutting machine |
| CN104972227A (en) * | 2015-06-29 | 2015-10-14 | 宁德时代新能源科技有限公司 | Laser continuous cutting device having dedusting function |
| CN105855701A (en) * | 2016-06-08 | 2016-08-17 | 成都市松川金属材料有限公司 | Workbench of fiber laser cutting machine |
| CN106374082A (en) * | 2016-11-11 | 2017-02-01 | 无锡先导智能装备股份有限公司 | Pole piece die cutting device by ozone treatment |
| CN106799543A (en) * | 2016-12-21 | 2017-06-06 | 成都国珈星际固态锂电科技有限公司 | Laser die cutting clamping device and battery pole piece laser die cutting method |
| CN106799543B (en) * | 2016-12-21 | 2019-05-28 | 成都国珈星际固态锂电科技有限公司 | Laser die cutting clamping device and battery pole piece laser die cutting method |
| CN106735891A (en) * | 2017-03-09 | 2017-05-31 | 深圳吉阳智能科技有限公司 | Laser cuts lug dust pelletizing system and method |
| CN106735891B (en) * | 2017-03-09 | 2019-03-26 | 深圳吉阳智能科技有限公司 | Laser cuts tab dust pelletizing system and method |
| CN108817696A (en) * | 2017-03-09 | 2018-11-16 | 深圳吉阳智能科技有限公司 | A kind of laser cuts tab dust pelletizing system and method |
| CN107127458A (en) * | 2017-05-26 | 2017-09-05 | 东莞市盛雄激光设备有限公司 | The full-automatic double-ended ultraviolet cutting machine of double |
| CN108213730A (en) * | 2017-12-29 | 2018-06-29 | 广州超音速自动化科技股份有限公司 | A kind of battery pole piece cutter device of recyclable dust |
| CN108500471A (en) * | 2018-04-26 | 2018-09-07 | 厦门钺科工贸有限公司 | Fully-automatic laser engraving equipment |
| CN110153569A (en) * | 2019-05-31 | 2019-08-23 | 深圳市海目星激光智能装备股份有限公司 | A kind of battery pole ear laser cutting device |
| CN110640331A (en) * | 2019-08-23 | 2020-01-03 | 大族激光科技产业集团股份有限公司 | Laser cutting tool and laser cutting production line for soft package battery tabs |
| CN110640331B (en) * | 2019-08-23 | 2021-06-01 | 大族激光科技产业集团股份有限公司 | Laser cutting tool and laser cutting production line for soft package battery tabs |
| CN114074225A (en) * | 2020-08-11 | 2022-02-22 | Da技术有限公司 | Laser grooving system for electrodes |
| CN114074225B (en) * | 2020-08-11 | 2024-01-16 | Da技术有限公司 | Laser grooving system for electrode |
| CN112935579A (en) * | 2021-01-29 | 2021-06-11 | 大族激光科技产业集团股份有限公司 | Laser film cutting equipment |
| CN113787267A (en) * | 2021-10-28 | 2021-12-14 | 广东中科微精光子制造科技有限公司 | Golden finger laser cutting system and cutting method |
| CN115625437A (en) * | 2022-12-21 | 2023-01-20 | 江苏东方九天新能源材料有限公司 | A nickel plating steel band laser cutting machine for lithium cell |
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