CN203155468U - Extrusion coating device - Google Patents
Extrusion coating device Download PDFInfo
- Publication number
- CN203155468U CN203155468U CN 201320177520 CN201320177520U CN203155468U CN 203155468 U CN203155468 U CN 203155468U CN 201320177520 CN201320177520 CN 201320177520 CN 201320177520 U CN201320177520 U CN 201320177520U CN 203155468 U CN203155468 U CN 203155468U
- Authority
- CN
- China
- Prior art keywords
- coating
- gap
- feeding screw
- valve
- backflow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model provides an extrusion coating device comprising a feeding buffering barrel, a feeding screw pump, a gap coating valve, an extrusion head and a pulsation damper, wherein the feeding buffering barrel is used for storing slurry to be coated; one end of the feeding screw pump is communicated with the feeding buffering barrel; the feeding screw pump is used for pumping the slurry extracted from the feeding buffering barrel; the gap coating valve is communicated with the feeding screw pump and is used for performing gap coating on the slurry pumped by the feeding screw pump; the extrusion head is communicated with the gap coating valve; the pulsation damper is arranged in at least one of three positions between the feeding buffering barrel and the feeding screw pump, between the feeing screw pump and the gap coating valve, as well as between the gap coating valve and the extrusion head; and the gap coating valve comprises a return cylinder, an inverted conical return valve core, a return valve body, a return sealing seat, a coating cylinder, an inverted conical coating valve core, a coating valve body and a coating sealing seat. The extrusion coating device can eliminate feeding pressure fluctuation of a feeding device and can eliminate feeding pressure fluctuation of the gap coating valve so as to avoid the phenomenon of non-uniform coating weight caused by the feeding pressure fluctuation.
Description
Technical field
The utility model relates to a kind of apparatus for coating, relates in particular to a kind of extrusion coated device.
Background technology
In lithium ion pole piece production process, when utilizing existing coating machine feeding device to carry out extrusion coated, charging pump pressure oscillation meeting causes local coating weight inequality, thereby makes capacity of lithium ion battery value uniformity relatively poor.In addition, in the electrodes of lithium-ion batteries production process, the spool of existing gap coating valve adopts positive pyramidal structure, has hydraulic shock when spool upwardly opens, and causes crawling.
These factors have had a strong impact on the quality of extrusion coated product, and then influence prepared lithium battery security of products, have restricted the progress of lithium battery technology.
The utility model content
In view of the problem that exists in the background technology, the purpose of this utility model is to provide a kind of extrusion coated device, and it can eliminate the feed pressure fluctuation that feeding device causes.
Another purpose of the present utility model is to provide a kind of extrusion coated device, and it can eliminate the feed pressure fluctuation that gap coating valve causes.
To achieve these goals, the utility model provides a kind of extrusion coated device, and it comprises: feed buffer memory bucket stores slurry to be coated; Feeding screw bolt pump, an end are communicated in feed buffer memory bucket and will take out next slurry pumping from feed buffer memory bucket; Coating valve in gap is communicated in the feeding screw bolt pump and the slurry from the pumping of feeding screw bolt pump is carried out the gap coating; Extrusion head is communicated in gap coating valve; And ripple damper, be arranged between feed buffer memory bucket and the feeding screw bolt pump, at least one position in three positions between feeding screw bolt pump and the gap coating valve, between gap coating valve and the extrusion head.
Preferably, coating valve in gap comprises: the backflow cylinder; The backflow spool is back taper and is connected in the backflow cylinder and moves under the driving of backflow cylinder; The backflow valve body has refluxing opening and controls refluxing opening for the backflow spool moves to open and close refluxing opening within it and is communicated with feed buffer memory bucket; The backflow seal receptacle is arranged at backflow valve body below and is used for and the backflow spool forms the sealing that refluxes, and has reception from the charging aperture of the slurry of feeding screw bolt pump pumping; The coating cylinder; The coating spool, be back taper and be connected in the coating cylinder and the coating cylinder driving under move; The coating valve body has discharging opening and moves within it to open and close discharging opening and control discharging opening and be communicated with extrusion head for the coating spool; And the coating seal receptacle, be arranged at coating valve body below and be communicated in the backflow seal receptacle.
The beneficial effects of the utility model are as follows:
By ripple damper and do not have the gap coating valve that open and close to impact and eliminate the feed pressure fluctuation, avoided causing the coating weight uneven phenomenon because of the feed pressure fluctuation;
The extrusion coated apparatus structure that the utility model provides is simply easy for installation.
Description of drawings
Fig. 1 is the structural representation according to extrusion coated device of the present utility model;
Fig. 2 is the enlarged drawing of the circle part of Fig. 1.
Wherein, description of reference numerals is as follows:
The specific embodiment
Describe in detail with reference to the accompanying drawings according to extrusion coated device of the present utility model.
As shown in Figure 1, comprise according to extrusion coated device of the present utility model: feed buffer memory bucket 1 stores slurry to be coated; Feeding screw bolt pump 2, one ends are communicated in feed buffer memory bucket 1 also will be from the slurry pumping of feed buffer memory bucket 1 reception; Coating valve 3 in gap is communicated in feeding screw bolt pump 2 and the slurry from 2 pumpings of feeding screw bolt pump is carried out the gap coating; Extrusion head 4 is communicated in gap coating valve 3; And ripple damper 5, be arranged between feed buffer memory bucket 1 and the feeding screw bolt pump 2, at least one position in three positions between feeding screw bolt pump 2 and the gap coating valve 3, between gap coating valve 3 and the extrusion head 4.Described at least one position can be a position, two positions or three positions.
In according to extrusion coated device of the present utility model, feeding screw bolt pump 2 is communicated in feed buffer memory bucket 1 and can realizes by feed pipe 8.
When being provided with ripple damper 5 between feed buffer memory bucket 1 and feeding screw bolt pump 2, the liquid level that this ripple damper 5 can be eliminated slurry in the feed buffer memory bucket 1 changes the feed pressure fluctuation that brings, and makes the slurry smooth flow that enters in the feeding screw bolt pump 4.When being provided with ripple damper 5 between feeding screw bolt pump 2 and gap coating valve 3, this ripple damper 5 can be eliminated the motion impact to the feed pressure generation that feed pressure fluctuates and 7 open and close of gap coating valve gear bring that feeding screw bolt pump 4 brings.When being provided with ripple damper 5 between gap coating valve 3 and extrusion head 4, this ripple damper 5 can be eliminated slurry and enter extrusion head 4 feed pressure fluctuation before.
In one case, when being provided with ripple damper 5 between feeding screw bolt pump 2 and the gap coating valve 3 and/or between gap coating valve 3 and the extrusion head 4, as shown in Figure 1, described extrusion coated device also can comprise: filter 6, correspondingly be arranged between feeding screw bolt pump 2 and the gap coating valve 3 and/or gap coating valve 3 and extrusion head 4 between and be arranged at the upstream of corresponding ripple damper 5.By filter is set, improved the slurries filtration effect, feed particle filter effect improves, and has improved the coating quality greatly.
In another case, as shown in Figure 1, ripple damper 5 be three and be arranged between feed buffer memory bucket 1 and the feeding screw bolt pump 2 respectively, between feeding screw bolt pump 2 and the gap coating valve 3, between gap coating valve 3 and the extrusion head 4; Described extrusion coated device also can comprise: two filters 6, be arranged between feeding screw bolt pump 2 and the gap coating valve 3 respectively and gap coating valve 3 and extrusion head 4 between and be arranged at the upstream of corresponding ripple damper 5.
In according to extrusion coated device described in the utility model, ripple damper 5 is a kind of devices that reach level and smooth pulsation effect specially for the accumulation pressure fluid.Preferably, ripple damper 5 can be gasbag-type ripple damper or through type ripple damper.More preferably, ripple damper 5 is the gasbag-type ripple damper, can utilize the compressibility of gas to reach the purpose that stores and release energy because liquid is incompressible.
In an embodiment of gap coating valve 3, gap coating valve 3 can comprise: backflow cylinder 31; Backflow spool 32 is back taper and is connected in backflow cylinder 31 and moves up and down under the driving of backflow cylinder 31; Backflow valve body 33 has refluxing opening 331 and control refluxing opening 331 is communicated with feed buffer memory bucket 1 for backflow spool 32 moves to open and close refluxing opening 331 within it; Backflow seal receptacle 34 is arranged at backflow valve body 33 belows and is used for and backflow spool 32 forms the sealing that refluxes, and has reception from the charging aperture 341 of the slurry of feeding screw bolt pump 2 pumpings; Coating cylinder 35; The coating spool 36, be back taper and be connected in the coating cylinder 35 and the coating cylinder 35 driving under move up and down; Coating valve body 37 has discharging opening 371 and control discharging opening 371 is communicated with extrusion head 4 for coating spool 36 moves to open and close discharging opening 371 within it; And coating seal receptacle 38, be arranged at coating valve body 37 belows and be communicated in backflow seal receptacle 34.When backflow spool 32 moved upward unlatching refluxing opening 331, backflow spool 32 did not directly act on slurry, slurry is not had motion impact, and can not impact feed pressure.Open discharging opening 371 when coating spool 36 moves upward, the slurry in the extrusion head 4 is not had the hydraulic pressure motion impact, can not impact feed pressure, improved the coating quality.
When needs are realized coating, backflow cylinder 31 drives backflow spool 32 and moves downward, make backflow spool 32 and backflow valve body 33 sealings (stopping up refluxing opening 331), be coated with cylinder 35 pulling coating spools 36 simultaneously, make coating spool 36 and coating valve body 37 leave (opening discharging opening 371), this moment slurry from backflow seal receptacle 34(through charging aperture 341) through coating seal receptacle 38, coating valve body 37(via discharging opening 371) enter extrusion head 4.When needs are realized coating clearance (namely not being coated with), backflow cylinder 31 drives backflow spool 32 and moves upward, make backflow spool 32 and backflow valve body 33 leave (opening refluxing opening 331), being coated with cylinder 35 driving coating spools 36 simultaneously moves downward, make coating spool 36 and coating valve body 37 sealings (stopping up discharging opening 371), this moment slurry from backflow seal receptacle 34(through charging aperture 341) through backflow valve body 33(through refluxing opening 331), reflux line 8 gets back in the feed buffer memory bucket 1.
Claims (5)
1. extrusion coated device comprises:
Feed buffer memory bucket (1) stores slurry to be coated;
Feeding screw bolt pump (2), an end are communicated in feed buffer memory bucket (1) and will take out next slurry pumping from feed buffer memory bucket (1);
Coating valve (3) in gap is communicated in feeding screw bolt pump (2) and the slurry from feeding screw bolt pump (2) pumping is carried out the gap coating; And
Extrusion head (4) is communicated in gap coating valve (3);
It is characterized in that the extrusion coated device also comprises:
Ripple damper (5) is arranged between feed buffer memory bucket (1) and the feeding screw bolt pump (2), at least one position in three positions between feeding screw bolt pump (2) and the gap coating valve (3), between gap coating valve (3) and the extrusion head (4).
2. extrusion coated device according to claim 1, it is characterized in that, when being provided with ripple damper (5) between feeding screw bolt pump (2) and the gap coating valve (3) and/or between gap coating valve (3) and the extrusion head (4), described extrusion coated device also comprises: filter (6), correspondingly be arranged between feeding screw bolt pump (2) and the gap coating valve (3) and/or gap coating valve (3) and extrusion head (4) between and be arranged at the upstream of corresponding ripple damper (5).
3. extrusion coated device according to claim 1, it is characterized in that, ripple damper (5) be three and be arranged at feed buffer memory bucket (1) respectively and feeding screw bolt pump (2) between, between feeding screw bolt pump (2) and the gap coating valve (3), between gap coating valve (3) and the extrusion head (4);
Described extrusion coated device also comprises: two filters (6) are arranged between feeding screw bolt pump (2) and the gap coating valve (3) respectively and the gap is coated with between valve (3) and the extrusion head (4) and is arranged at the upstream of corresponding ripple damper (5).
4. extrusion coated device according to claim 1 is characterized in that, ripple damper (5) is gasbag-type ripple damper or through type ripple damper.
5. according to each described extrusion coated device among the claim 1-4, it is characterized in that gap coating valve (3) comprising:
Backflow cylinder (31);
Backflow spool (32) is back taper and is connected in backflow cylinder (31) and moves under the driving of backflow cylinder (31);
Backflow valve body (33) has refluxing opening (331) and control refluxing opening (331) is communicated with feed buffer memory bucket (1) for backflow spool (32) moves to open and close refluxing opening (331) within it;
Backflow seal receptacle (34) is arranged at backflow valve body (33) below and is used for and backflow spool (32) forms the sealing that refluxes, and has reception from the charging aperture (341) of the slurry of feeding screw bolt pump (2) pumping;
Coating cylinder (35);
The coating spool (36), be back taper and be connected in the coating cylinder (35) and the coating cylinder (35) driving under move;
Coating valve body (37) has discharging opening (371) and supply back to be coated with spool (36) and moves to open and close discharging opening (371) within it and control discharging opening (371) and be communicated with extrusion head (4); And
Coating seal receptacle (38) is arranged at coating valve body (37) below and is communicated in backflow seal receptacle (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320177520 CN203155468U (en) | 2013-04-10 | 2013-04-10 | Extrusion coating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320177520 CN203155468U (en) | 2013-04-10 | 2013-04-10 | Extrusion coating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203155468U true CN203155468U (en) | 2013-08-28 |
Family
ID=49016692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320177520 Expired - Lifetime CN203155468U (en) | 2013-04-10 | 2013-04-10 | Extrusion coating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203155468U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551286A (en) * | 2013-11-15 | 2014-02-05 | 四川长虹电源有限责任公司 | Lithium battery coating feeding system and coating method thereof |
| CN103706527A (en) * | 2013-07-29 | 2014-04-09 | 深圳市信宇人科技有限公司 | Extrusion-type intermittent coating steady-pressure feeding method and system |
| CN104209240A (en) * | 2014-08-12 | 2014-12-17 | 苏州英诺复合材料有限公司 | Loading device |
| CN105650063A (en) * | 2016-01-28 | 2016-06-08 | 中国重型机械研究院股份公司 | Method for reducing pressure fluctuation of hydraulic system of extruding machine |
| CN106216180A (en) * | 2016-08-29 | 2016-12-14 | 惠州市赢合科技有限公司 | A kind of coating control valve device |
| CN106423738A (en) * | 2016-11-28 | 2017-02-22 | 天津力神电池股份有限公司 | Continuous and stable coating on-line dispensing equipment |
| CN106513225A (en) * | 2016-12-23 | 2017-03-22 | 深圳市浩能科技有限公司 | Coating machine slurry circulation method and system |
| CN108144806A (en) * | 2018-03-07 | 2018-06-12 | 安徽省锐凌计量器制造有限公司 | A kind of quantitative glue pouring machine and its quantitative glue-pouring method |
| CN108380456A (en) * | 2018-04-30 | 2018-08-10 | 中航锂电（江苏）有限公司 | A kind of lithium ion battery coating machine size circulations device |
| CN108816645A (en) * | 2018-06-22 | 2018-11-16 | 东南大学 | Dynamic lithium battery base band squash type coating system |
| CN110227634A (en) * | 2019-05-23 | 2019-09-13 | 惠州锂威新能源科技有限公司 | A kind of reflux unit and its control method controlling Multiple level pole piece film thickness |
-
2013
- 2013-04-10 CN CN 201320177520 patent/CN203155468U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103706527A (en) * | 2013-07-29 | 2014-04-09 | 深圳市信宇人科技有限公司 | Extrusion-type intermittent coating steady-pressure feeding method and system |
| CN103551286A (en) * | 2013-11-15 | 2014-02-05 | 四川长虹电源有限责任公司 | Lithium battery coating feeding system and coating method thereof |
| CN104209240A (en) * | 2014-08-12 | 2014-12-17 | 苏州英诺复合材料有限公司 | Loading device |
| CN105650063A (en) * | 2016-01-28 | 2016-06-08 | 中国重型机械研究院股份公司 | Method for reducing pressure fluctuation of hydraulic system of extruding machine |
| CN106216180A (en) * | 2016-08-29 | 2016-12-14 | 惠州市赢合科技有限公司 | A kind of coating control valve device |
| CN106423738A (en) * | 2016-11-28 | 2017-02-22 | 天津力神电池股份有限公司 | Continuous and stable coating on-line dispensing equipment |
| CN106513225A (en) * | 2016-12-23 | 2017-03-22 | 深圳市浩能科技有限公司 | Coating machine slurry circulation method and system |
| CN108144806A (en) * | 2018-03-07 | 2018-06-12 | 安徽省锐凌计量器制造有限公司 | A kind of quantitative glue pouring machine and its quantitative glue-pouring method |
| CN108144806B (en) * | 2018-03-07 | 2020-06-12 | 安徽省锐凌计量器制造有限公司 | Quantitative glue pouring machine and quantitative glue pouring method thereof |
| CN108380456A (en) * | 2018-04-30 | 2018-08-10 | 中航锂电（江苏）有限公司 | A kind of lithium ion battery coating machine size circulations device |
| CN108816645A (en) * | 2018-06-22 | 2018-11-16 | 东南大学 | Dynamic lithium battery base band squash type coating system |
| CN110227634A (en) * | 2019-05-23 | 2019-09-13 | 惠州锂威新能源科技有限公司 | A kind of reflux unit and its control method controlling Multiple level pole piece film thickness |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203155468U (en) | Extrusion coating device | |
| CN202431627U (en) | Energy-saving hydraulic station | |
| CN203417916U (en) | Graphite lubricating and spraying system of pipe mill core rod | |
| CN205045808U (en) | Ration control automatic filling equipment | |
| CN204209008U (en) | A kind of diel automatic spraying system | |
| CN204276078U (en) | Vertical grinding machine | |
| CN203250814U (en) | Efficient simple extruder capable of saving energy | |
| CN201786781U (en) | Energy storage hydraulic station for die holder cylinder | |
| CN201739141U (en) | High-pressure hydraulic diaphragm pump | |
| CN204098886U (en) | Producing well dosing supercharging device | |
| CN204311139U (en) | A kind of hydrophilic coating line for foil aluminium cleaning by degreasing device | |
| CN203476850U (en) | Flow control device of energy accumulator used for concrete pump truck and concrete pump truck | |
| CN207546916U (en) | A kind of automatic charging coated stir device | |
| CN202366816U (en) | Non-blockage rapid paint spraying device | |
| CN203159173U (en) | Oil material canning machine | |
| CN203108949U (en) | Water supply system for parallel running of ultrafast cooling system and laminar cooling system | |
| CN202360417U (en) | Water supply device of improved water-ring vacuum pump | |
| CN204799518U (en) | A feedway for coating | |
| CN204311171U (en) | A kind of post-processing oiling agent for polyester staple fiber recovery system | |
| CN203268533U (en) | Combined utilizing device of high-position storage tank and low-position storage tank | |
| CN204333106U (en) | A kind of lithium battery fluid injection shower nozzle | |
| CN203462144U (en) | Gravity-type electrolytic cell cleaning device with automatic liquid discharging function | |
| CN203379678U (en) | Double-layer photo-cured coating filtering device | |
| CN202845182U (en) | Spiral core tube without material accumulated in internal part | |
| CN202860666U (en) | Full carbon cyanide slurry process system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130828 |