CN109927224B - Small-size polypropylene lithium battery diaphragm simulation production facility - Google Patents
Small-size polypropylene lithium battery diaphragm simulation production facility Download PDFInfo
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- CN109927224B CN109927224B CN201811389306.5A CN201811389306A CN109927224B CN 109927224 B CN109927224 B CN 109927224B CN 201811389306 A CN201811389306 A CN 201811389306A CN 109927224 B CN109927224 B CN 109927224B
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- tensile testing
- fixedly arranged
- universal tensile
- testing machine
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- 238000009864 tensile test Methods 0.000 claims description 26
- 238000005266 casting Methods 0.000 claims description 24
- 238000004519 manufacturing process Methods 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 18
- -1 polypropylene lithium Polymers 0.000 claims description 17
- 238000004088 simulation Methods 0.000 claims description 17
- 238000005192 partition Methods 0.000 claims description 7
- 238000011084 recovery Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010923 batch production Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 239000011796 hollow space material Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Images
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention relates to the field of special materials for polypropylene lithium battery diaphragms, in particular to a small-sized polypropylene lithium battery diaphragm simulation production device which comprises a small-sized casting machine and a universal tensile testing machine, wherein the universal tensile testing machine is fixedly arranged at one end of the small-sized casting machine, a feeding pipe is fixedly arranged at one end, away from the universal tensile testing machine, of the small-sized casting machine, an extruder is fixedly arranged at one end, close to the feeding pipe, of the inner side of the small-sized casting machine, a discharge port is fixedly arranged at the lower end of the extruder, a first conveying belt is movably arranged at the lower end of the discharge port through a rotating shaft, a telescopic rod is fixedly arranged at one end. By arranging the small casting machine and the universal tensile testing machine, the invention can firstly carry out simulated production on the materials required for producing the diaphragm, detect the diaphragm after production, and carry out batch production after no problem exists so as to save the resources required by production.
Description
Technical Field
The invention belongs to the field of special materials for a polypropylene lithium battery diaphragm, and particularly relates to a small-sized simulation production device for the polypropylene lithium battery diaphragm.
Background
In the structure of the lithium battery, a diaphragm is one of key inner layer components, the performance of the diaphragm determines the interface structure, the internal resistance and the like of the battery, the characteristics of the capacity, the circulation, the safety performance and the like of the battery are directly influenced, the diaphragm with excellent performance has an important effect on improving the comprehensive performance of the battery, most of the existing diaphragm materials are polypropylene materials, in the research and development process of the special material for the diaphragm of the polypropylene lithium battery, production tests need to be carried out on the special material to judge whether the special material meets the production requirement, but the existing equipment can only carry out batch production, the early-stage simulation production cannot be realized, the existing equipment is very large, if the simulation production is carried out, the special material is very inconvenient and easily wasted, so the simulation production equipment for the diaphragm of the polypropylene lithium battery is needed, and the existing universal tensile testing machine clamp is too small, the sample membrane has a small transverse size due to the phenomenon of thin neck after longitudinal stretching, and the problem of infirm clamping in the subsequent transverse stretching process occurs.
Disclosure of Invention
The invention aims to provide simulation production equipment for a small-sized polypropylene lithium battery diaphragm, which aims to solve the problem that the existing device provided in the background technology can only be used for mass production and can not realize simulation production.
In order to achieve the purpose, the invention provides the following technical scheme:
a simulation production device for a small-sized polypropylene lithium battery diaphragm comprises a small-sized casting machine and an universal tensile testing machine, wherein the universal tensile testing machine is fixedly arranged at one end of the small-sized casting machine, a feeding pipe is fixedly arranged at one end of the small-sized casting machine, which is far away from the universal tensile testing machine, an extruder is fixedly arranged at one end, which is close to the feeding pipe, of the inner side of the small-sized casting machine, a discharge port is fixedly arranged at the lower end of the extruder, a first conveying belt is movably arranged at the lower end of the discharge port through a rotating shaft, a telescopic rod is fixedly arranged at one end, which is far away from the feeding pipe, of the extruder, a tool bit is fixedly arranged at the lower end of the telescopic rod, a mounting frame is fixedly arranged between the small-sized casting machine and the universal tensile testing, the lower end of the mounting plate is fixedly provided with a hydraulic cylinder, the telescopic shaft end of the hydraulic cylinder is fixedly provided with a partition plate, the lower end of the partition plate is fixedly provided with two cutters, a sucker is fixedly arranged between the two cutters, one end of the mounting frame, which is far away from the small-sized casting machine, is movably provided with a second conveyor belt through a rotary shaft, the outer sides of the rotary shafts of the first conveyor belt and the second conveyor belt are fixedly provided with a bracket, the output shaft end of a first motor is connected with the rotary shafts of the first conveyor belt and the second conveyor belt through belts, one end of the second conveyor belt, which is close to the mounting frame, is fixedly provided with a negative pressure fan, the negative pressure fan is fixedly connected with the second conveyor belt through a connecting pipe, one end of the second conveyor belt, which is far away from the mounting frame, and a clamp is fixedly arranged on the inner side of the universal tensile testing machine.
Preferably, the second conveyor belt is made of hollow materials and is fixedly arranged in the middle of the mounting frame.
Preferably, the upper end of the mounting frame is fixedly provided with a second motor, and the output shaft end of the second motor is connected with the roller rotating shaft through a belt.
Preferably, the model of the universal tensile testing machine is MTS-50C high-low temperature universal tensile testing machine.
Preferably, the size of the clamp is 2 times that of the existing device.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention can simulate the production of the polypropylene lithium diaphragm before the batch production by mounting the small-sized casting machine and the universal tensile testing machine together, the used device belongs to small-sized equipment, the material for simulating the production can be saved, in addition, the first transmission belt is mounted, the sheet made by the small-sized casting machine can be transmitted to the lower part of the mounting frame through the first transmission belt, the spacing plate is dropped down through adjusting the hydraulic cylinder, the cutter heads are arranged at the two ends of the spacing plate, the sheet can be cut off a small section of sheet from the sheet when the sheet is cut off, the cut sheet can be sucked up by the suction cup, the hydraulic cylinder is moved to the upper part of the second transmission belt through the second motor, the spacing plate is dropped down through the hydraulic cylinder, the connecting pipe on the suction cup can be contacted with the connecting pipe on the second transmission belt, the connecting pipe is connected with the negative pressure fan, because the adsorption capacity of the negative pressure fan is larger than, therefore, the sheet is adsorbed onto the second conveying belt from the sucking disc, and is conveyed into the recovery box for storage through the second conveying belt, so that the sheet produced by the small-sized casting machine can be conveniently cut into small sections for testing;
2. according to the invention, a sheet sample in the recovery box is manually taken out through the material taking door and placed in the universal tensile testing machine to simulate the method in the industrial production process of the bidirectional tensile lithium battery diaphragm, so that the sheet is sequentially longitudinally stretched and transversely stretched, the clamp is set to be 2 times of that of the existing device, the upper limit of the width of the sheet to be stretched is increased, the design size of the sheet sample is conveniently increased, and the problems that the transverse size of the sheet is too small and the clamping is not firm in the transverse stretching process after the phenomenon of thin neck is generated by longitudinal stretching are solved.
Drawings
The invention has 3 figures in total.
FIG. 1 is a schematic view of the overall structure of a simulation production device for a small-sized polypropylene lithium battery diaphragm of the present invention;
FIG. 2 is an enlarged schematic view of a part A in FIG. 1 of a simulation production apparatus for a small-sized polypropylene lithium battery diaphragm according to the present invention;
fig. 3 is an enlarged schematic view of a part a in fig. 1 of a simulation production device for a small-sized polypropylene lithium battery diaphragm according to the present invention.
In the figure: 1. a small-sized casting machine; 11. a feeding pipe; 12. an extruder; 13. a discharge port; 14. a telescopic rod; 15. a cutter head; 2. a universal tensile testing machine; 21. a clamp; 3. a support; 4. a first conveyor belt; 5. a mounting frame; 51. a slide rail; 52. mounting a plate; 53. a hydraulic cylinder; 54. a partition plate; 55. a cutter; 56. a suction cup; 57. a second motor; 58. a first motor; 6. a second conveyor belt; 61. a negative pressure fan; 7. a recycling bin; 71. a material taking door.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-3, a simulation production device for a small polypropylene lithium battery diaphragm comprises a small casting machine 1 and a universal tensile testing machine 2, wherein the universal tensile testing machine 2 is fixedly arranged at one end of the small casting machine 1, which is far away from the universal tensile testing machine 2, is fixedly provided with a feeding pipe 11, one end of the inner side of the small casting machine 1, which is close to the feeding pipe 11, is fixedly provided with an extruder 12, the lower end of the extruder 12 is fixedly provided with a discharging port 13, the lower end of the discharging port 13 is movably provided with a first conveyor belt 4 through a rotating shaft, one end of the extruder 12, which is far away from the feeding pipe 11, is fixedly provided with a telescopic rod 14, the lower end of the telescopic rod 14 is fixedly provided with a tool bit 15, an installation frame 5 is fixedly arranged between the small casting machine 1 and the universal, the lower end of the mounting frame 5 is fixedly provided with a slide rail 51, the lower end of the slide rail 51 is movably mounted on the mounting plate 52 through a pulley, the lower end of the mounting plate 52 is fixedly provided with a hydraulic cylinder 53, the telescopic shaft end of the hydraulic cylinder 53 is fixedly provided with a partition plate 54, the lower end of the partition plate 54 is fixedly provided with two cutters 55, a sucker 56 is fixedly arranged between the two cutters 55, one end of the mounting frame 5, which is far away from the small-sized casting machine 1, is movably mounted on a second conveyor belt 6 through a rotating shaft, the outer sides of the rotating shafts of the first conveyor belt 4 and the second conveyor belt 6 are fixedly provided with a support 3, the output shaft end of a first motor 58 is connected with the rotating shaft of the first conveyor belt 4 and the rotating shaft of the second conveyor belt 6 through a belt, one end of the second conveyor belt 6, which is close to the mounting frame 5, is fixedly, the recycling bin 7 is fixedly connected with the mounting frame 5 through a connecting rod, the lower end of the recycling bin 7 is movably provided with a material taking door 71 through a hinge, and a clamp 21 is fixedly arranged on the inner side of the universal tensile testing machine 2.
The second conveyor belt 6 is made of a hollow material, and the second conveyor belt 6 is fixedly arranged in the middle of the mounting frame 5, so that the work of the negative pressure fan 61 cannot be influenced when the second conveyor belt 6 conveys; the upper end of the mounting frame 5 is fixedly provided with a second motor 57, the output shaft end of the second motor 57 is connected with the roller rotating shaft through a belt, and the mounting plate 52 can be adjusted left and right through the second motor 57, so that the working efficiency of workers is reduced; the type 2 of the universal tensile testing machine is an MTS-50C high-low temperature universal tensile testing machine, so that longitudinal stretching and transverse stretching can be performed on the sheet conveniently and sequentially; the size of anchor clamps 21 is 2 times of current device size, has increased the width upper limit of treating tensile thin slice to increase the design size of thin slice sample, after solving vertical tensile production thin neck phenomenon, the horizontal undersize of thin slice, the not firm problem of centre gripping in the horizontal tensile process.
The working principle is as follows: the invention realizes the simulation production of the lithium battery diaphragm before the batch production of the lithium battery diaphragm by mounting the small-sized casting machine 1 and the universal tensile testing machine 2 together to form a complete detection assembly line, the special material for the lithium battery diaphragm is conveyed into the extruder 12 in the small-sized casting machine 1 through the feeding port and is extruded out through the discharging port 13, the special material for the extruded diaphragm is conveyed forwards by the first conveying belt 4, the special material for the diaphragm is scraped into thin sheets by the cutter head 15, the thickness of the thin sheets of the telescopic rod 14 in the small-sized casting machine 1 is adjusted, when the thin sheets are conveyed to the lower end of the mounting frame 5, the cutter 55 under the spacing plate 54 and the spacing plate 54 is put down by the hydraulic cylinder 53, the cutter 55 divides the thin sheets into three parts, the middle part of the thin sheets is adsorbed by the sucking disc 56, then the spacing plate 54 is collected by the hydraulic cylinder 53, the mounting plate 52 is moved to the second conveying belt 6 by the, the mounting plate 52 is placed above the second conveying belt 6 through the hydraulic cylinder 53, the film is adsorbed on the second conveying belt 6 through a connecting pipe on the second conveying belt 6 and a fan, the second conveying belt 6 conveys the thin sheet into the recovery box 7 for storage, the thin sheet is taken out from the recovery box 7 through the manual material taking door 71 and is placed into the universal tensile testing machine 2, the thin sheet is longitudinally stretched after being clamped by the clamp 21 and then transversely stretched, the upper limit of the width of the thin sheet to be stretched is increased because the adopted clamp 21 is 2 times of the existing clamp, so that the design size of a thin sheet sample is increased, the problems that the thin neck phenomenon is generated by longitudinal stretching, the transverse size of the thin sheet is too small, and the clamping is not firm in the transverse stretching process are solved.
Claims (4)
1. The utility model provides a small-size polypropylene lithium battery diaphragm simulation production facility, includes small-size casting machine (1), universal tensile testing machine (2), its characterized in that: the universal tensile testing machine (2) is fixedly arranged at one end of the small-sized casting machine (1), one end of the small-sized casting machine (1) far away from the universal tensile testing machine (2) is fixedly provided with a feeding pipe (11), one end of the inner side of the small-sized casting machine (1) far away from the feeding pipe (11) is fixedly provided with an extruder (12), the lower end of the extruder (12) is fixedly provided with a discharging port (13), the lower end of the discharging port (13) is movably provided with a first conveying belt (4) through a rotating shaft, one end of the extruder (12) far away from the feeding pipe (11) is fixedly provided with a telescopic rod (14), the lower end of the telescopic rod (14) is fixedly provided with a tool bit (15), an installation frame (5) is fixedly arranged between the small-sized casting machine (1) and the universal tensile testing machine (2), one end of the installation frame (5) near the, the lower end of a sliding rail (51) is movably provided with a mounting plate (52) through a pulley, the lower end of the mounting plate (52) is fixedly provided with a hydraulic cylinder (53), the telescopic shaft end of the hydraulic cylinder (53) is fixedly provided with a partition plate (54), the lower end of the partition plate (54) is fixedly provided with two cutters (55), a sucker (56) is fixedly arranged between the two cutters (55), one end of the mounting frame (5) far away from the small-sized casting machine (1) is movably provided with a second conveyor belt (6) through a rotating shaft, the outer sides of rotating shafts of the first conveyor belt (4) and the second conveyor belt (6) are fixedly provided with a support (3), the output shaft end of a first motor (58) is connected with the rotating shafts of the first conveyor belt (4) and the second conveyor belt (6) through a belt, one end of the second conveyor belt (6) close to the mounting frame (5) is fixedly, a recovery box (7) is fixedly arranged at one end, far away from the mounting rack (5), of the second conveyor belt (6), the recovery box (7) is fixedly connected with the mounting rack (5) through a connecting rod, a material taking door (71) is movably mounted at the lower end of the recovery box (7) through a hinge, and a clamp (21) is fixedly arranged on the inner side of the universal tensile testing machine (2);
the slice on the sucking disc contacts with the connecting pipe on the second conveyer belt, and the connecting pipe is connected with negative-pressure air fan, and negative-pressure air fan's adsorption efficiency is greater than the adsorption efficiency of sucking disc, and on the slice adsorbed the second conveyer belt from the sucking disc, second conveyer belt (6) material was the fretwork material, and the size of anchor clamps (21) is 2 times of current device size.
2. The simulation production equipment for the diaphragm of the small-sized polypropylene lithium battery as claimed in claim 1, wherein: the second conveyor belt (6) is fixedly arranged in the middle of the mounting rack (5).
3. The simulation production equipment for the diaphragm of the small-sized polypropylene lithium battery as claimed in claim 1, wherein: the upper end of the mounting rack (5) is fixedly provided with a second motor (57), and the output shaft end of the second motor (57) is connected with the roller rotating shaft through a belt.
4. The simulation production equipment for the diaphragm of the small-sized polypropylene lithium battery as claimed in claim 1, wherein: the model of the universal tensile testing machine (2) is MTS-50C high-low temperature universal tensile testing machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811389306.5A CN109927224B (en) | 2018-11-21 | 2018-11-21 | Small-size polypropylene lithium battery diaphragm simulation production facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811389306.5A CN109927224B (en) | 2018-11-21 | 2018-11-21 | Small-size polypropylene lithium battery diaphragm simulation production facility |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109927224A CN109927224A (en) | 2019-06-25 |
| CN109927224B true CN109927224B (en) | 2020-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811389306.5A Active CN109927224B (en) | 2018-11-21 | 2018-11-21 | Small-size polypropylene lithium battery diaphragm simulation production facility |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4000233A (en) * | 1975-04-16 | 1976-12-28 | Phillips Petroleum Company | Two-stage application of antistatic agents to parisons |
| JPH09508596A (en) * | 1994-02-08 | 1997-09-02 | ウィルキンソン・スウォード・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | Membrane production equipment |
| CN101155861A (en) * | 2005-03-31 | 2008-04-02 | 东燃化学株式会社 | Microporous polyolefin film and process for producing the same |
| CN101258017A (en) * | 2005-03-22 | 2008-09-03 | 富士胶片株式会社 | Polymer film and solution film forming method |
| JP2011104986A (en) * | 2009-10-21 | 2011-06-02 | Idemitsu Kosan Co Ltd | Release film for manufacturing ceramic sheet, method for manufacturing the same, and release film recycling method |
| CN103165841A (en) * | 2013-03-06 | 2013-06-19 | 珠海市赛纬电子材料有限公司 | Production method for diaphragm used for lithium ion battery |
| CN203381094U (en) * | 2013-07-12 | 2014-01-08 | 深圳中兴创新材料技术有限公司 | Lithium battery base membrane orientation monitoring system and casting device |
| CN104157813A (en) * | 2014-08-06 | 2014-11-19 | 深圳市星源材质科技股份有限公司 | Preparation method for diaphragm with low friction coefficient |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0006524D0 (en) * | 2000-03-18 | 2000-05-10 | Devro Plc | Film manufacturing method |
| US9314962B2 (en) * | 2013-05-10 | 2016-04-19 | 3M Innovative Properties Company | Method of separating strands on a stretching surface |
-
2018
- 2018-11-21 CN CN201811389306.5A patent/CN109927224B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4000233A (en) * | 1975-04-16 | 1976-12-28 | Phillips Petroleum Company | Two-stage application of antistatic agents to parisons |
| JPH09508596A (en) * | 1994-02-08 | 1997-09-02 | ウィルキンソン・スウォード・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング | Membrane production equipment |
| CN101258017A (en) * | 2005-03-22 | 2008-09-03 | 富士胶片株式会社 | Polymer film and solution film forming method |
| CN101155861A (en) * | 2005-03-31 | 2008-04-02 | 东燃化学株式会社 | Microporous polyolefin film and process for producing the same |
| JP2011104986A (en) * | 2009-10-21 | 2011-06-02 | Idemitsu Kosan Co Ltd | Release film for manufacturing ceramic sheet, method for manufacturing the same, and release film recycling method |
| CN103165841A (en) * | 2013-03-06 | 2013-06-19 | 珠海市赛纬电子材料有限公司 | Production method for diaphragm used for lithium ion battery |
| CN203381094U (en) * | 2013-07-12 | 2014-01-08 | 深圳中兴创新材料技术有限公司 | Lithium battery base membrane orientation monitoring system and casting device |
| CN104157813A (en) * | 2014-08-06 | 2014-11-19 | 深圳市星源材质科技股份有限公司 | Preparation method for diaphragm with low friction coefficient |
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| CN109927224A (en) | 2019-06-25 |
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