CN104129053A - Feeding system for lithium battery diaphragm production line - Google Patents
Feeding system for lithium battery diaphragm production line Download PDFInfo
- Publication number
- CN104129053A CN104129053A CN201410340032.6A CN201410340032A CN104129053A CN 104129053 A CN104129053 A CN 104129053A CN 201410340032 A CN201410340032 A CN 201410340032A CN 104129053 A CN104129053 A CN 104129053A
- Authority
- CN
- China
- Prior art keywords
- feed bin
- feed
- striker plate
- stock bin
- extruder
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
- B29C31/04—Feeding of the material to be moulded, e.g. into a mould cavity
- B29C31/10—Feeding of the material to be moulded, e.g. into a mould cavity of several materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/298—Feeding the extrusion material to the extruder in a location other than through a barrel, e.g. through a screw
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Robotics (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention belongs to the field of feeding equipment and relates to a feeding system for a lithium battery diaphragm production line. The feeding system realizes feeding of multiple materials having large material ratio difference. The feeding system comprises a stock bin and material pipes, feeding ends of the material pipes are respectively provided with material supplying units, the stock bin comprises a material mixing section and a material storage section, material blocking plates are suspended to the wall of the inner cavity of the material mixing section, the length of projections of the material blocking plates along an axis direction of the stock bin is greater than the radius of the stock bin, the material blocking plates are stepwisely and staggeredly arranged from top to bottom along a raw material falling direction, the inner diameter of the stock bin matches the diameter of a material inlet of an extruder, an upper end opening of the stock bin is provided with a funnel-shaped material-receiving part orderly arranged above the upper end opening, inlets of the material pipes extend to the inner cavity of the material-receiving part, the wall of the inner cavity of the material-receiving part is provided with inclined material blocking plates, the number of the material supplying units is more than 2, and joints of the material supplying units and the material pipes are provided with loss-in-weights. The feeding system can effectively solve the problem of unavoidable unbalance of the existing stock bin-type feeding system and has a low use cost and a wide application range.
Description
Technical field
The invention belongs to feeding equipment field, be specifically related to the feed system for lithium battery diaphragm production line of one kind of multiple class aniseed ratio feedings.
Background technology
In the production process of lithium battery diaphragm, raw material is to be mixed by the multiple additives of masterbatch and minute quantity, additive directly affects the formation of lithium battery diaphragm micropore, so the even uniformity consistency that has determined barrier film micropore distributed number and pore size that mixes of masterbatch and additive, this also becomes one of key of producing by high-quality barrier film.Existing lithium battery diaphragm production line, employing be single screw extrusion machine, raw material need to feed bin pile up after enter extruder.Often there is following defect in this kind of feeding manner: first, due to the diversity of the raw material of lithium battery diaphragm, masterbatch and additive amount ratio differ greatly, and its raw material is difficult to mix in feed bin; Secondly, even if plurality of raw materials completes its mixing and is and is laid on uniformly in feed bin, but at compound during by feed bin discharging, consider the heavy grade funnel-like configuration of current feed bin, piling up under the effect of pressure and oblique accumulation, the raw material that the bulky grain raw material that in compound, diameter is larger or proportion are larger still can fall prior to the less granule raw material of diameter or proportion raw material, and segregation phenomena occurs, and then produce blanking balance phenomenon, finally affect greatly its final finished quality.
In view of this, traditional method is to avoid above-mentioned phenomenon by the mode of secondary granulation.Its method is masterbatch and additive to be sent into extruder high-temperature fusion extrusion after mix and blend according to a certain percentage go out raw material, and through secondary granulation, masterbatch and additive just can evenly mix.But the method can be brought several drawbacks: on the one hand, the rising of raw materials melt index and fluctuation, molecular chain structure is destroyed, and has reduced machinery and the mechanical property of material; On the other hand, under high temperature action, material can produce degradation product, thereby affects film forming and the physicochemical property of product; In addition, secondary granulation needs Granulation Equipments and energy resource consumption, and its production cost is higher.How seeking a kind of feed system simple in structure and practical, further to guarantee its production cost under the prerequisite guaranteeing its blanking uniform balance, is this area technical barrier urgently to be resolved hurrily nearly ten years.
Summary of the invention
The object of this invention is to provide a kind of rational in infrastructure and feed system for lithium battery diaphragm production line of reliable operation, it can effectively solve the blanking unbalance unavoidably occurring in current bin type feed system, and use cost is low and operating efficiency is high.
For achieving the above object, the present invention has adopted following technical scheme:
A kind of feed system for lithium battery diaphragm production line, comprise feed bin and the material pipe for feed in feed bin, described material pipe feed end place is provided with feed unit, feed bin discharge hole is communicated with extruder feeding mouth, described feed bin is straight tube tubulose, comprises the batch mixing segment and the storing section that is positioned at lower section at the section of being located thereon place; Batch mixing segment internal chamber wall place suspension arrangement has striker plate, and this striker plate is greater than feed bin radius along the projected length of feed bin axis direction; Each striker plate is dislocation step by step from top to bottom along the blanking direction of raw material to be arranged, the feeding mouth diameter of this feed bin internal diameter and extruder coincide and arranges; Upwards postpone and be furnished with the funnel-form portion that connects material in the upper port place of described feed bin, the entrance point of described material pipe extends to this inner chamber place of portion that connects material; The internal chamber wall place of portion that connects material arranges oblique striker plate; Described feed unit is more than two, and each feed unit and material pipe junction are provided with for guaranteeing that blowing amount in the feed unit unit interval equals the Weightlessness balance of the processing capacity of extruder.
Described striker plate is the cantilever-shaped batch mixing segment internal chamber wall place that is placed in feed bin of plate face tilt; Striker plate incline direction is by the oblique downward setting of feed bin internal chamber wall.
Described striker plate is the cantilever-shaped batch mixing segment internal chamber wall place that is placed in feed bin of plate face level; Striker plate position is to be the setting of spiral step shape from top to bottom along the blanking direction of raw material.
Beneficial effect of the present invention is:
1), the oblique accumulation in traditional heavy grade hopper loading storehouse, the blanking balance phenomenon causing have been abandoned.The setting of the striker plate of arranging by dislocation on the one hand, utilize the elastic characteristic of lithium battery diaphragm raw material self,, constantly launch and splash by being positioned at the striker plate at feed bin batch mixing segment place along falling behind under material pipe at raw material, thereby reach the compounding effect of its aniseed ratio.Especially for as the limit batch mixing occasion of certain auxiliary material of certain major ingredient collocation 1% of 99%, the compounding effect that the many baffle plates of its high drop produce is particularly evident." successively dislocation arrange " herein, that is after the axial direction of feed bin is overlooked, at least two adjacent striker plates no longer on the same face and its all do not coincide in the party's projection upwards.On the other hand, Weightlessness balance is selected corresponding inlet amount according to the speed of extruder after measuring according to a certain percentage masterbatch and additive, thereby has guaranteed to be equaled all the time by the load at Weightlessness balance place the single process amount of extruder at every turn.In conjunction with the feed bin layout of straight tube tubulose, thereby make to have presented stacked clearly demarcated stratiform batch mixing state in the storing section of feed bin.What is more important, because the internal diameter of feed bin and the feed end of extruder coincide each other, blanking state when its blanking just pushes blanking by traditional random accumulation, and becomes the successively blanking in order of echelon.Just as prepared the even compound of plural part according to each extruder processing capacity in advance in straight tube tubulose feed bin, each layer of compound of each blanking is owing to originally just evenly mixing each other via striker plate, and follow-up blanking operation is sunk type blanking successively, thereby overcome because of the particle diameter segregation phenomenas that cause different from proportion, ensure that masterbatch and multiple additives enter extruder all the time in proportion, and then also just guaranteed batch mixing and the uniformity that adds man-hour.Even at the aniseed such as 99% to 1% than batch mixing occasion, the batch mixing uniformity that the discharged way of its " sinking " formula is the same can effectively guarantee extruder charging time, and then it is unbalance and need secondary granulation problem effectively to have solved the blanking unavoidably occurring in current bin type feed system, its use cost is low and applicable surface is wider, and operating efficiency is high." this striker plate is greater than feed bin radius along the projected length of feed bin axis direction ", also be that the length that suspends of its reality of striker plate is across feed bin axis, like this, striker plate hinders and the efficiency of launching raw material can effectively be promoted, be conducive to further to guarantee aniseed than under plurality of raw materials mixed effect.
2), the actual arrangement structure of striker plate, can take the circumstances into consideration to adopt according to field condition, only need realize the dislocation backgauge effect of its echelon, guarantee compounding effect when raw material ensures that it falls in falling smoothly.The present invention has adopted the spiral striker plate structure of inclination striker plate and level, and its raw material falls stable, and compounding effect is better, reliable operation and stablizing.
3), the setting of the portion that connects material, ensured that raw material is by expecting that pipe is to the smoothly transitting of blanking in feed bin, even if guaranteed to exist more material pipe, the same material feeding function when can realizing many material pipes.The layout of oblique striker plate, makes raw material start to carry out batch mixing work initially entering while connecting material portion, and to reduce the batch mixing pressure of feed bin batch mixing segment, it can play favourable facilitation to promoting final compounding effect.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the material layering figure of the compound at feed bin storing section place.
In accompanying drawing, each label and corresponding component corresponding relation of the present invention are as follows:
A-extruder
The 10-feed bin 11-striker plate 12-oblique striker plate of the 13-of portion that connects material
20-material pipe 30-feed unit 40-Weightlessness balance
Detailed description of the invention
For ease of understanding, in conjunction with Fig. 1-2, specific embodiment of the invention structure and workflow are done to following description herein:
Concrete structure of the present invention as shown in Figure 1-2, it comprises that the feed unit 30 that is positioned at the top is also feed hopper, be positioned at the Weightlessness balance 40 that feed unit 30 discharging opening places arrange, with the material pipe 20 that is connected layout between feed unit 30 discharging openings, material pipe 20 below places arrange the feed bin 10 for realizing batch mixing and interim storing function, and feed bin 10 discharge ends are connected the charging aperture of extruder a.Feed bin 10 profiles are the circular tube shaped of straight tube, between the internal chamber wall diameter that it is overall and the intake port of extruder a, coincide and arrange.Weightlessness balance 40 is for monitoring the blanking amount at each feed unit 30 places, thereby guarantees in the unit interval that blanking amount sum and even proportioning just equal the processing capacity in the extruder a unit interval.And the feed bin 10 of straight tube tubulose is constructed, its epimere forms batch mixing segment, striker plate 11 is set in it and mixes object with the even backgauge of realizing the many raw materials that fallen by feed unit 30 places; Feed bin 10 hypomeres form storing section, and the compound mixing at batch mixing segment place is able to interim storage after falling to its storing section, and constantly sink and charging according to the process-cycle of extruder a, to guarantee the efficient operation object of extruder a.
When practical operation of the present invention, on the one hand by the setting of striker plate 11, utilize the elastic characteristic of producing lithium battery diaphragm many raw materials self used, manage 20 times backwardnesss at raw material along material, constantly launch and splash by being positioned at the striker plate 11 at feed bin 10 batch mixing segment places, thereby reach the compounding effect of its aniseed ratio.Especially for as the occasion of the auxiliary material of 99% major ingredient collocation 1%, the compounding effect that the many baffle plates of its high drop produce is particularly evident.On the other hand, Weightlessness balance 40 is selected corresponding inlet amount according to the speed of extruder a after measuring according to a certain percentage masterbatch and additive, thereby guaranteed to equal all the time the processing capacity in the extruder a unit interval by the load in 40 place's unit interval of Weightlessness balance at every turn, in conjunction with feed bin 10 layouts of straight tube tubulose, thereby make to have presented stacked clearly demarcated stratiform batch mixing state in the storing section of feed bin 10.What is more important, because the internal diameter of feed bin 10 and the feed end of extruder coincide each other, blanking state when its blanking is just by traditional random accumulation extruding blanking, and become the successively blanking in order of echelon, just as prepared the even compound of plural part according to each extruder processing capacity in advance in straight tube tubulose feed bin 10; Each layer compound of each blanking be due to the just evenly mixing each other via striker plate 11 originally, and follow-up blanking operation is sunk type blanking successively.Specifically with reference to shown in Fig. 2, when material falls and via the even batch mixing of batch mixing segment and present the storing section that is laid in feed bin 10 of stratiform along feed unit 30, in the time that extruder a needs charging, A layer on it first lower floor enters extruder a and processes, next is only B layer, C layer, D layer etc. by that analogy, this has just ensured that masterbatch and multiple additives enter extruder a all the time according to a certain percentage completely, and then has also just guaranteed batch mixing and the uniformity that adds man-hour; Even at the aniseed such as 99% to 1% than batch mixing occasion, the batch mixing uniformity that the discharged way of its " sinking " formula is the same can effectively guarantee extruder a charging time, and then it is unbalance and need secondary granulation problem effectively to have solved the blanking unavoidably occurring in current bin type feed system, its use cost is low and applicable surface is wider, and operating efficiency is high.
Claims (3)
1. the feed system for lithium battery diaphragm production line, comprise feed bin (10) and for the material pipe (20) to the interior feed of feed bin (10), described material pipe (20) feed end place is provided with feed unit (30), feed bin (10) discharging opening is communicated with extruder (a) feeding mouth, it is characterized in that: described feed bin (10) is straight tube tubulose, comprise the batch mixing segment and the storing section that is positioned at lower section at the section of being located thereon place; Batch mixing segment internal chamber wall place suspension arrangement has striker plate (11), and this striker plate (11) is greater than feed bin (10) radius along the projected length of feed bin (10) axis direction; Each striker plate (11) is dislocation step by step from top to bottom along the blanking direction of raw material to be arranged, the feeding mouth diameter of this feed bin (10) internal diameter and extruder (a) coincide and arranges; Upwards postpone and be furnished with the funnel-form portion (12) that connects material in the upper port place of described feed bin (10), the entrance point of described material pipe (20) extends to this inner chamber place of portion that connects material (12); The internal chamber wall place of portion (12) that connects material arranges oblique striker plate (13); Described feed unit (30) is more than two, and each feed unit (30) is provided with for guaranteeing that interior blowing amount of feed unit (30) unit interval equals the Weightlessness balance (40) of the processing capacity of extruder (a) with material pipe (20) junction.
2. the feed system for lithium battery diaphragm production line according to claim 1, is characterized in that: described striker plate (11) is the cantilever-shaped batch mixing segment internal chamber wall place that is placed in feed bin (10) of plate face tilt; Striker plate (11) incline direction is by the oblique downward setting of feed bin (10) internal chamber wall.
3. the feed system for lithium battery diaphragm production line according to claim 1, is characterized in that: described striker plate (11) is the cantilever-shaped batch mixing segment internal chamber wall place that is placed in feed bin (10) of plate face level; Striker plate (11) position is to be the setting of spiral step shape from top to bottom along the blanking direction of raw material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410340032.6A CN104129053A (en) | 2014-07-16 | 2014-07-16 | Feeding system for lithium battery diaphragm production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410340032.6A CN104129053A (en) | 2014-07-16 | 2014-07-16 | Feeding system for lithium battery diaphragm production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104129053A true CN104129053A (en) | 2014-11-05 |
Family
ID=51802035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410340032.6A Pending CN104129053A (en) | 2014-07-16 | 2014-07-16 | Feeding system for lithium battery diaphragm production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104129053A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105233754A (en) * | 2015-09-16 | 2016-01-13 | 河南心连心化肥有限公司 | Injection burdening apparatus for furfuryl alcohol production and burdening method of apparatus |
| CN109531962A (en) * | 2018-12-26 | 2019-03-29 | 厦门帮众科技有限公司 | A kind of lower material conveying device of nano-powder |
| CN113247595A (en) * | 2021-04-30 | 2021-08-13 | 中材锂膜有限公司 | High-precision stable discharging device in lithium battery industry and control method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3932115A (en) * | 1974-10-31 | 1976-01-13 | Bryce Maxwell | Vented hopper with improved feed system |
| CN2099019U (en) * | 1991-09-07 | 1992-03-18 | 张振勋 | Auto-mixing device for breaking machine |
| CN201436173U (en) * | 2009-06-24 | 2010-04-07 | 广州市合诚化学有限公司 | Side feeding conveying system for conveying low bulk density filling material |
| CN201721028U (en) * | 2010-06-01 | 2011-01-26 | 上海重发胶粘制品有限公司 | Freely falling body-type feeder |
| CN202725094U (en) * | 2012-06-11 | 2013-02-13 | 江门市科恒实业股份有限公司 | Powder premixing device |
| CN203004269U (en) * | 2013-01-06 | 2013-06-19 | 铜陵晶能电子股份有限公司 | Feeding system for lithium battery diaphragm production line |
| CN203974019U (en) * | 2014-07-16 | 2014-12-03 | 铜陵晶能电子股份有限公司 | Feed system for lithium battery diaphragm production line |
-
2014
- 2014-07-16 CN CN201410340032.6A patent/CN104129053A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3932115A (en) * | 1974-10-31 | 1976-01-13 | Bryce Maxwell | Vented hopper with improved feed system |
| CN2099019U (en) * | 1991-09-07 | 1992-03-18 | 张振勋 | Auto-mixing device for breaking machine |
| CN201436173U (en) * | 2009-06-24 | 2010-04-07 | 广州市合诚化学有限公司 | Side feeding conveying system for conveying low bulk density filling material |
| CN201721028U (en) * | 2010-06-01 | 2011-01-26 | 上海重发胶粘制品有限公司 | Freely falling body-type feeder |
| CN202725094U (en) * | 2012-06-11 | 2013-02-13 | 江门市科恒实业股份有限公司 | Powder premixing device |
| CN203004269U (en) * | 2013-01-06 | 2013-06-19 | 铜陵晶能电子股份有限公司 | Feeding system for lithium battery diaphragm production line |
| CN203974019U (en) * | 2014-07-16 | 2014-12-03 | 铜陵晶能电子股份有限公司 | Feed system for lithium battery diaphragm production line |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105233754A (en) * | 2015-09-16 | 2016-01-13 | 河南心连心化肥有限公司 | Injection burdening apparatus for furfuryl alcohol production and burdening method of apparatus |
| CN109531962A (en) * | 2018-12-26 | 2019-03-29 | 厦门帮众科技有限公司 | A kind of lower material conveying device of nano-powder |
| CN109531962B (en) * | 2018-12-26 | 2024-02-23 | 厦门帮众科技有限公司 | Discharging and conveying device for nano powder |
| CN113247595A (en) * | 2021-04-30 | 2021-08-13 | 中材锂膜有限公司 | High-precision stable discharging device in lithium battery industry and control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211279668U (en) | Plastic particle and powder blending and feeding system | |
| CN104129053A (en) | Feeding system for lithium battery diaphragm production line | |
| CN102294764B (en) | Two-stage banburying production unit for low-smoke and halogen-free cable materials | |
| CN101857147B (en) | Isolation-proof device and mixed material storing system with the same | |
| CN103466224B (en) | Anti-segregation storage for dry-mixed mortar | |
| CN203974019U (en) | Feed system for lithium battery diaphragm production line | |
| CN103434064B (en) | The online recycling system of slobbering machine | |
| CN103737741A (en) | Online recycling device for leftovers of cast film | |
| CN210436360U (en) | Concrete prefabricated component spiral distributing device | |
| CN204036665U (en) | A kind of continuity dry powder and mortar is produced and packaging system | |
| CN203004269U (en) | Feeding system for lithium battery diaphragm production line | |
| CN206667769U (en) | A kind of appts. for transferring ready-mixed concrete | |
| CN206796206U (en) | Mixing plant circle holds together hopper | |
| CN115464795A (en) | Automatic raw material weighing and proportioning mixing equipment for plastic shell | |
| CN203544788U (en) | Dry mix mortar separation prevention storing bin | |
| CN202607842U (en) | Mortar drying and storing system and dry-mixed mortar mixing plant | |
| CN203611376U (en) | Multistage burdening equipment for producing regenerated polypropylene | |
| CN104960174B (en) | Graininess starvation saturation Y shape drawing-in device and its hunger-type feeding method | |
| CN205361094U (en) | Raw materials static mixer | |
| CN209871297U (en) | Anti-segregation storage device for waste residue dry-mixed mortar | |
| CN210390046U (en) | A feeding equipment for lithium cell diaphragm production line | |
| CN203795273U (en) | Bituminous concrete producing system | |
| CN102717438B (en) | Sand drying storage system, operation method thereof and dry and mixed mortar batching plant | |
| CN209152319U (en) | A kind of feed production system | |
| CN202590659U (en) | Solid material homogenizing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141105 |
|
| RJ01 | Rejection of invention patent application after publication |