CN108417902B - A kind of lithium battery production technology - Google Patents
A kind of lithium battery production technology Download PDFInfo
- Publication number
- CN108417902B CN108417902B CN201810464213.8A CN201810464213A CN108417902B CN 108417902 B CN108417902 B CN 108417902B CN 201810464213 A CN201810464213 A CN 201810464213A CN 108417902 B CN108417902 B CN 108417902B
- Authority
- CN
- China
- Prior art keywords
- weighing
- plate
- box
- weighing box
- polar
- 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 - Fee Related
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 23
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000005303 weighing Methods 0.000 claims abstract description 148
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 230000005484 gravity Effects 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 11
- 238000007667 floating Methods 0.000 claims description 13
- 238000012216 screening Methods 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000007790 scraping Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- 241000252254 Catostomidae Species 0.000 claims description 5
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000002985 plastic film Substances 0.000 claims description 3
- 229920006255 plastic film Polymers 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000032258 transport Effects 0.000 abstract description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 3
- 238000001914 filtration Methods 0.000 abstract 1
- 230000009471 action Effects 0.000 description 9
- 238000005520 cutting process Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- XBWAZCLHZCFCGK-UHFFFAOYSA-N 7-chloro-1-methyl-5-phenyl-3,4-dihydro-2h-1,4-benzodiazepin-1-ium;chloride Chemical compound [Cl-].C12=CC(Cl)=CC=C2[NH+](C)CCN=C1C1=CC=CC=C1 XBWAZCLHZCFCGK-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The invention belongs to lithium battery production technical field, specifically a kind of lithium battery production technology, the technique uses weighing instrument, which includes bottom plate, pedestal, strut, counterweight frame, circular cone, weighing box, detection unit and feed unit；Pedestal is connected in the middle part of bottom plate；It is rotatablely connected in the middle part of strut with pedestal end；Strut one end is rotatablely installed counterweight frame；The strut other end is rotatablely connected circular cone, and the rotation point of circular cone is located at right above circular cone center of gravity；Weighing box is connected at the top of circular cone；Circular cone is for making box holding level of weighing；Detection unit is mounted on bottom plate, and detection unit is for filtering out underproof pole plate；Feed unit is located above weighing box, and feed unit is for transporting pole plate.The present invention transports pole plate by setting feed unit, and the pole plate for needing to weigh is put into weighing box, and weighing box sinks under the effect of gravity, and when box of weighing sinks to being more than setting value, detection unit work filters out underproof pole plate.
Description
Technical Field
The invention belongs to the technical field of lithium battery production, and particularly relates to a lithium battery production process.
Background
In the production process of the lithium battery, a very important procedure is to weigh the polar plate, namely: weighing positive and negative plates in the lithium battery, removing the overweight and overweight plates after weighing, classifying the qualified plates into a plurality of grades according to weight grades, and collecting the classified plates respectively. When assembling the lithium cell, just so can carry out reasonable collocation according to the weight of polar plate to make the electrical property of lithium cell keep unanimous basically, probably adhere to some cuttings on the polar plate simultaneously, these cuttings remain in weighing the box, cause the weighing measurement inaccurate. The traditional process needs manual measurement of the polar plate, and a weighing instrument needs to be frequently wiped during measurement so as to prevent powder scraps from adhering in a weighing box to cause weighing errors.
The technical scheme that some polar plates are weighed also appears in the prior art, if a Chinese patent with application number 2011102328820 discloses a polar plate weighing device, including weighing frame, be provided with the bottom plate in the weighing frame, the top of bottom plate is along transversely being provided with weighing sensor, and weighing sensor's one end is connected with the bottom plate through the cushion, and weighing sensor's the other end is connected with the die-pin, and the upper end of die-pin is provided with the tray, and weighing sensor and signal analysis display system looks communication connection. The invention is suitable for weighing the polar plate of the storage battery in the production process of the storage battery, and the weighing precision of the invention is higher compared with the common metering scale.
The method can realize automatic weighing when the polar plate is weighed, but has the following defects: the screening function does not have when weighing the polar plate, still needs the workman according to the measured value, and the manual unqualified polar plate of rejecting for production efficiency is lower, and the cuttings can not automatic clearance in the symmetrical heavy box simultaneously, causes the cuttings to pile up, still needs the manual work to clear up.
Disclosure of Invention
In order to make up for the defects of the prior art, the lithium battery production process provided by the invention adopts the weighing instrument, the weighing instrument transports the polar plates by arranging the feeding unit, the polar plates to be weighed are placed in the weighing box, the weighing box sinks under the action of gravity, and when the weighing box sinks to exceed a set value, the detection unit works to screen out the unqualified polar plates.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a lithium battery production process, which comprises the following steps:
the method comprises the following steps: uniformly mixing the positive electrode solid battery material and the negative electrode solid battery material, adding a solvent, and stirring into a slurry state by a vacuum stirrer;
step two: uniformly coating the slurry prepared in the step one on a current collector in a specified thickness, and drying the solvent;
step three: punching the polar plate manufactured in the second step into a specified size and shape;
step four: cleaning the pole plates cut in the third step, and conveying the cleaned pole plates into a weighing instrument for weighing and screening;
step five: assembling the polar plate screened out in the fourth step and the diaphragm together, and forming a polar core after the gluing is finished;
step six: filling the pole core produced in the fifth step into the aluminum-plastic film punched with the pit, and finishing top sealing and side sealing to form a soft package battery;
the weighing instrument comprises a bottom plate, a base, a support rod, a weight frame, a conical block, a weighing box, a detection unit and a feeding unit; the base is fixedly connected to the middle part of the bottom plate; the middle part of the supporting rod is rotatably connected with the end head of the base; one end of the supporting rod is rotatably provided with a weight frame; the other end of the supporting rod is rotatably connected with a conical block, and the rotating point of the conical block is arranged right above the gravity center of the conical block; the weighing box is fixedly connected to the top of the conical block, a rotating plate is rotatably mounted at the end head of the weighing box, and a torsion spring is arranged in a rotating shaft of the rotating plate; the conical block is used for keeping the weighing box horizontal; the detection unit is arranged on the bottom plate and used for screening unqualified polar plates; the utility model discloses a weighing machine, including the box, the box is weighed to the box, the box is weighed and is sunken under the action of gravity, when the box that weighs sinks and surpasss the setting value, the detection unit work is selected unqualified polar plate.
The detection unit comprises a control box, a mounting rod, a photoelectric sensor, an electric push rod and a controller; a control box arranged on the bottom plate is arranged on one side of the base; the top of the control box is provided with an installation rod, and the end of the installation rod is provided with a photoelectric sensor; the electric push rod is fixedly connected to the middle of the top of the control box; a controller is arranged in the control box; the controller is used for collecting and analyzing signals of the photoelectric sensor and controlling the electric push rod to move, the electric push rod can push the weighing box to rotate around the end of the supporting rod, and the weighing box rotates to remove unqualified polar plates; when the weighing box sinks to exceed a set value, the weighing box shields the photoelectric sensor, the controller is used for collecting and analyzing signals of the photoelectric sensor and controlling the electric push rod to move, the electric push rod can push the weighing box to rotate around the end of the supporting rod, and after the weighing box rotates, the unqualified polar plate is dumped out of the weighing box, so that the polar plate is screened;
the feeding unit comprises a conveying belt, an air cylinder, a fixed plate, a floating plate and a sucker; the conveying belt is arranged above the weighing box, and a group of cylinders are arranged at the bottom of the conveying belt; the end of the cylinder is fixedly connected with a fixed plate; the bottom of the fixed plate is connected with a floating plate through a group of springs, and the bottom of the floating plate is provided with a group of suckers; the sucking disc is used for transporting the polar plate. The sucking discs are used for sequentially putting different polar plates into the weighing box to be measured, and when the polar plates are taken away in the weighing box, the floating plates are arranged, so that the force is balanced when each sucking disc extrudes and adsorbs the polar plates, local overpressure cannot be caused, and the deformation of the polar plates is avoided.
As an embodiment of the invention, the end of the electric push rod is rotatably provided with a supporting plate; the rotary shaft of the supporting plate is internally provided with a torsion spring, the bottom of the weighing box is slidably provided with a roller, the roller is slidably arranged at the bottom of the weighing box, the middle of the supporting plate is provided with an arc groove, the arc groove is used for clamping the roller, when unqualified polar plates are removed, the electric push rod pushes the weighing box upwards, the supporting plate rotates around the roller by setting the roller slidably arranged in the weighing box, the roller is pushed upwards at the same time, and the abrasion of the end of the electric push rod is reduced.
As an embodiment of the invention, the end of the roller rotating shaft is provided with a connecting rod, and the end of the connecting rod is fixedly connected with a piston; the piston is slidably arranged in an air cavity chamber arranged in the bottom plate of the weighing box, and the side wall of the air cavity chamber is provided with an air delivery pipe; the bottom plate of the weighing box is provided with a group of exhaust holes, the gas pipe is communicated with the exhaust holes, the roller moves to generate airflow through the gas chamber while providing a buffering effect for the electric push rod, and the airflow is discharged upwards from the bottom plate of the weighing box, so that the polar plate floats, and the friction between the polar plate and the weighing box during the sliding down of the polar plate is reduced.
As an embodiment of the invention, a push block is arranged in the weighing box in a sliding way; an air bag is arranged on one side of the push block, and a group of air blowing holes are formed in the bottom of the air bag; the air bag is used for slowing down the collision of the push block on the rotating plate and generating air flow to blow off dirt scraped from the bottom of the push block. When the polar plate slippage, the ejector pad slides to the box one end of weighing under the action of gravity, strikes off the cuttings or debris that remain in the box of weighing, avoids dirty piling up and causes the inaccurate of weighing, and when the ejector pad reachd the box end of weighing, the gasbag through setting up slows down the ejector pad impact force and produces the air current in the time, blows off the foul of scraping the ejector pad bottom, improves cleaning efficiency.
As an embodiment of the invention, the bottom of the push block is provided with an arc-shaped groove; one side of the rotating plate, which faces the pushing block, is provided with an arc-shaped elastic plate, the elastic plate is used for scraping dirt in the arc-shaped groove, when the pushing block extrudes the rotating plate, the elastic plate deforms and enables the rotating plate to rotate under the impact force of the pushing block, the elastic plate gradually breaks away from the pushing block and stretches, the arc-shaped groove is scraped in the stretching process, and the dirt in the arc-shaped groove is cleaned.
The invention has the following beneficial effects:
1. according to the lithium battery production process, the weighing instrument is adopted, the polar plates in the same weight range are screened out through the weighing instrument, and the weight of the polar plates is reasonably matched, so that the electrical performance of the lithium battery is basically kept consistent.
2. The lithium battery production process adopts a weighing instrument, the weighing instrument transports the polar plates by arranging the feeding unit, the polar plates to be weighed are placed in the weighing box, the weighing box sinks under the action of gravity, and when the weighing box sinks to exceed a set value, the detection unit works to screen out unqualified polar plates.
3. According to the lithium battery production process, the weighing instrument is adopted, the detection unit is arranged on the weighing instrument, unqualified polar plates are screened out when the detection unit works, and an electric push rod of the detection unit pushes the weighing box to rotate so as to pour out the unqualified polar plates; through setting up the roller of slidable mounting in the box of weighing, reduce the friction of electric putter end and the box bottom plate of weighing, when the roller upwards promoted simultaneously, the compressed air cavity produced the air current, floated the polar plate, reduced the polar plate when gliding with the box of weighing friction.
4. According to the lithium battery production process, the weighing instrument is adopted, the push block slides towards one end of the weighing box under the action of gravity through the push block, powder or sundries remained in the weighing box are scraped, the phenomenon that weighing is inaccurate due to dirt accumulation is avoided, when the push block reaches the end of the weighing box, the air bag is arranged to reduce the impact force of the push block and simultaneously generate air flow, dirt scraped from the bottom of the push block is blown away, and the cleaning efficiency is improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a block diagram of the weighing apparatus of the present invention;
FIG. 3 is a diagram of the condition of the weigh box when the weigh is not in use and when the weigh passes;
FIG. 4 is a diagram of the condition of the weigh box of the present invention excluding an unqualified plate;
in the figure: the weighing device comprises a bottom plate 1, a base 2, a support rod 3, a weight frame 4, a conical block 5, a weighing box 6, a rotating plate 61, an exhaust hole 62, a push block 63, an arc-shaped groove 631, an air bag 64, an elastic plate 65, a detection unit 7, a control box 71, a mounting rod 72, a photoelectric sensor 73, an electric push rod 74, a support plate 741, an arc groove 742, a connecting rod 743, an air chamber 744, a feeding unit 8, a conveying belt 81, an air cylinder 82, a fixing plate 83, a floating plate 84, a suction cup 85 and a roller 9.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, the lithium battery production process of the present invention includes the following steps:
the method comprises the following steps: uniformly mixing the positive electrode solid battery material and the negative electrode solid battery material, adding a solvent, and stirring into a slurry state by a vacuum stirrer;
step two: uniformly coating the slurry prepared in the step one on a current collector in a specified thickness, and drying the solvent;
step three: punching the polar plate manufactured in the second step into a specified size and shape;
step four: cleaning the pole plates cut in the third step, and conveying the cleaned pole plates into a weighing instrument for weighing and screening;
step five: assembling the polar plate screened out in the fourth step and the diaphragm together, and forming a polar core after the gluing is finished;
step six: filling the pole core produced in the fifth step into the aluminum-plastic film punched with the pit, and finishing top sealing and side sealing to form a soft package battery;
the weighing instrument comprises a bottom plate 1, a base 2, a support rod 3, a weight frame 4, a conical block 5, a weighing box 6, a detection unit 7 and a feeding unit 8; the base 2 is fixedly connected to the middle part of the bottom plate 1; the middle part of the supporting rod 3 is rotatably connected with the end of the base 2; one end of the support rod 3 is rotatably provided with a weight frame 4; the other end of the support rod 3 is rotatably connected with a conical block 5, and the rotating point of the conical block 5 is arranged right above the gravity center of the conical block 5; the weighing box 6 is fixedly connected to the top of the conical block 5, the end of the weighing box 6 is rotatably provided with a rotating plate 61, and a rotating shaft of the rotating plate 61 is internally provided with a torsion spring; the conical block 5 is used for keeping the weighing box 6 horizontal; the detection unit 7 is arranged on the bottom plate 1, and the detection unit 7 is used for screening out unqualified polar plates; the feed unit 8 is established in 6 tops of the box of weighing, feed unit 8 is used for transporting the polar plate, places the weight of needs in the weight frame 4, places the polar plate that needs to weigh in the box of weighing 6, and the box of weighing 6 sinks under the action of gravity, and when the box of weighing 6 sinks and surpasss the setting value, 7 work of detecting element will unqualified polar plates are screened out.
The detection unit 7 comprises a control box 71, a mounting rod 72, a photoelectric sensor 73, an electric push rod 74 and a controller; a control box 71 arranged on the bottom plate 1 is arranged on one side of the base 2; the top of the control box 71 is provided with a mounting rod 72, and the end of the mounting rod 72 is provided with a photoelectric sensor 73; the electric push rod 74 is fixedly connected to the middle of the top of the control box 71; a controller is arranged in the control box 71; the controller is used for collecting and analyzing signals of the photoelectric sensor 73 and controlling the electric push rod 74 to move, the electric push rod 74 can push the weighing box 6 to rotate around the end of the supporting rod 3, and the weighing box 6 rotates to remove unqualified polar plates; when the weighing box 6 sinks to exceed a set value, namely the weighing box 6 shields the photoelectric sensor 73, the controller is used for collecting and analyzing signals of the photoelectric sensor 73 and controlling the electric push rod 74 to move, the electric push rod 74 can push the weighing box 6 to rotate around the end of the supporting rod 3, unqualified polar plates are dumped out of the weighing box 6 after the weighing box 6 rotates, and screening of the polar plates is realized;
the feeding unit 8 comprises a conveying belt 81, an air cylinder 82, a fixed plate 83, a floating plate 84 and a suction cup 85; the conveying belt 81 is arranged above the weighing box 6, and the bottom of the conveying belt 81 is provided with a group of cylinders 82; the end of the cylinder 82 is fixedly connected with a fixed plate 83; the bottom of the fixed plate 83 is connected with a floating plate 84 through a group of springs, and the bottom of the floating plate 84 is provided with a group of suckers 85; the suction cup 85 is used for transporting the plate. The sucking discs 85 are used for sequentially putting different polar plates into the weighing box 6 for measurement, and when the polar plates are taken out from the weighing box 6, the floating plates 84 are arranged, so that the polar plates are stressed in a balanced manner when being squeezed and adsorbed by the sucking discs 85, local overpressure cannot be caused, and deformation of the polar plates is avoided.
As an embodiment of the present invention, a supporting plate 741 is rotatably mounted at the end of the electric push rod 74; the torsion spring is arranged in a rotating shaft of the supporting plate 741, the roller 9 is slidably mounted at the bottom of the weighing box 6, an arc groove 742 is formed in the middle of the supporting plate 741, the arc groove 742 is used for clamping the roller 9, when an unqualified pole plate is removed, the electric push rod 74 pushes the weighing box 6 upwards, the supporting plate 741 rotates around the roller 9 through the roller 9 slidably mounted in the weighing box 6, the roller 9 is pushed upwards at one side, and abrasion of the end of the electric push rod 74 is reduced.
As an embodiment of the invention, the end of the rotating shaft of the roller 9 is provided with a connecting rod 743, and the end of the connecting rod 743 is fixedly connected with the piston; the piston is slidably arranged in an air chamber 744 arranged in the bottom plate of the weighing box 6, and an air pipe is arranged on the side wall of the air chamber 744; the bottom plate of the weighing box 6 is provided with a group of exhaust holes 62, the air pipe is communicated with the exhaust holes 62, the roller 9 is moved to generate air flow through the air chamber 744, the electric push rod 74 is provided with a buffer effect, the roller 9 is moved to generate air flow through the air chamber 744, the air flow is upwards discharged from the bottom plate of the weighing box 6, the polar plate is floated, and friction between the polar plate and the weighing box 6 during sliding down is reduced.
As an embodiment of the present invention, a push block 63 is slidably mounted in the weighing box 6; an air bag 64 is arranged on one side of the push block 63, and a group of air blowing holes are formed in the bottom of the air bag 64; the air bag 64 is used for slowing down the collision of the push block 63 on the rotating plate 61 and generating air flow to blow off dirt scraped from the bottom of the push block 63. When the polar plate slippage, ejector pad 63 slides to weighing box 6 one end under the action of gravity, strikes off the cuttings or debris that remain in weighing box 6, avoids dirty to pile up and causes and weighs inaccurately, and when ejector pad 63 reachd weighing box 6 end, produces the air current through gasbag 64 that sets up when slowing down ejector pad 63 impact force, blows off the foul of scraping ejector pad 63 bottom, improves cleaning efficiency.
As an embodiment of the present invention, the bottom of the push block 63 is provided with an arc-shaped groove 631; one side of the rotating plate 61 facing the pushing block 63 is provided with an arc-shaped elastic plate 65, the elastic plate 65 is used for scraping dirt in the arc-shaped groove 631, when the pushing block 63 extrudes the rotating plate 61, the elastic plate 65 deforms and enables the rotating plate 61 to rotate under the impact force of the pushing block 63, the elastic plate 65 gradually breaks away from the pushing block 63 and straightens, the arc-shaped groove 631 is scraped in the straightening process, and the dirt in the arc-shaped groove 631 is cleaned.
When the weight box is used, a needed weight is placed in the weight frame 4, different polar plates are sequentially placed into the weighing box 6 through the suckers 85 by the conveying belt 81 for measurement, and when the polar plates are taken out from the weighing box 6, the stress is balanced when the polar plates are extruded and adsorbed by the suckers 85 by the aid of the floating plates 84, local overpressure cannot be caused, and deformation of the polar plates is avoided; a polar plate to be weighed is placed in the weighing box 6, the weighing box 6 sinks under the action of gravity, when the weighing box 6 sinks beyond a set value, the weighing box 6 shields the photoelectric sensor 73, the controller is used for collecting and analyzing signals of the photoelectric sensor 73 and controlling the electric push rod 74 to move, the electric push rod 74 can push the weighing box 6 to rotate around the end of the supporting rod 3, and an unqualified polar plate is dumped out of the weighing box 6 after the weighing box 6 rotates, so that the polar plate is screened; the electric push rod 74 pushes the weighing box 6 upwards, the roller 9 is slidably mounted in the weighing box 6, the end of the electric push rod 74 clamps the roller 9 through the supporting plate 741, when the electric push rod pushes, the supporting plate 741 rotates around the roller 9 and pushes the roller 9 upwards, the roller 9 moves through the air chamber 744 to generate air flow, the air flow is discharged upwards from the bottom plate of the weighing box 6, the polar plate is floated, and friction between the polar plate and the weighing box 6 when the polar plate slides downwards is reduced; when the polar plate slippage, ejector pad 63 slides to weighing box 6 one end under the action of gravity, scrape the cuttings or debris that remain in weighing box 6, it is inaccurate to avoid dirty to pile up and cause weighing, when ejector pad 63 reachs weighing box 6 end, produce the air current through setting up when gasbag 64 slows down the ejector pad 63 impact force, blow away the foul of scraping the ejector pad 63 bottom, improve cleaning efficiency, when ejector pad 63 extrudes rotor plate 61, elastic plate 65 warp and make rotor plate 61 rotate under the impact force of ejector pad 63, elastic plate 65 breaks away from ejector pad 63 gradually and straightens, straighten the in-process and scrape arc recess 631, dirty thing in the arc recess 631 is cleared up.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A lithium battery production process is characterized by comprising the following steps:
the method comprises the following steps: uniformly mixing the positive electrode solid battery material and the negative electrode solid battery material, adding a solvent, and stirring into a slurry state by a vacuum stirrer;
step two: uniformly coating the slurry prepared in the step one on a current collector in a specified thickness, and drying the solvent;
step three: punching the polar plate manufactured in the second step into a specified size and shape;
step four: cleaning the pole plates cut in the third step, and conveying the cleaned pole plates into a weighing instrument for weighing and screening;
step five: assembling the polar plate screened out in the fourth step and the diaphragm together, and forming a polar core after the gluing is finished;
step six: filling the pole core produced in the fifth step into the aluminum-plastic film punched with the pit, and finishing top sealing and side sealing to form a soft package battery;
the weighing instrument comprises a bottom plate (1), a base (2), a support rod (3), a weight frame (4), a conical block (5), a weighing box (6), a detection unit (7) and a feeding unit (8); the base (2) is fixedly connected to the middle part of the bottom plate (1); the middle part of the support rod (3) is rotatably connected with the end of the base (2); one end of the support rod (3) is rotatably provided with a weight frame (4); the other end of the support rod (3) is rotatably connected with a conical block (5), and the rotating point of the conical block (5) is arranged right above the gravity center of the conical block (5); the weighing box (6) is fixedly connected to the top of the conical block (5), a rotating plate (61) is rotatably mounted at the end of the weighing box (6), and a torsion spring is arranged in a rotating shaft of the rotating plate (61); the conical block (5) is used for keeping the weighing box (6) horizontal; the detection unit (7) is arranged on the bottom plate (1), and the detection unit (7) is used for screening out unqualified polar plates; the feeding unit (8) is arranged above the weighing box (6), and the feeding unit (8) is used for transferring the polar plates; wherein,
the detection unit (7) comprises a control box (71), an installation rod (72), a photoelectric sensor (73), an electric push rod (74) and a controller; a control box (71) arranged on the bottom plate (1) is arranged on one side of the base (2); the top of the control box (71) is provided with a mounting rod (72), and the end of the mounting rod (72) is provided with a photoelectric sensor (73); the electric push rod (74) is fixedly connected to the middle of the top of the control box (71); a controller is arranged in the control box (71); the controller is used for collecting and analyzing signals of the photoelectric sensor (73) and controlling the electric push rod (74) to move, the electric push rod (74) can push the weighing box (6) to rotate around the end of the supporting rod (3), and the weighing box (6) rotates to remove unqualified polar plates;
the feeding unit (8) comprises a conveying belt (81), an air cylinder (82), a fixed plate (83), a floating plate (84) and a sucker (85); the conveying belt (81) is arranged above the weighing box (6), and a group of air cylinders (82) are arranged at the bottom of the conveying belt (81); the end of the cylinder (82) is fixedly connected with a fixed plate (83); the bottom of the fixed plate (83) is connected with a floating plate (84) through a group of springs, and the bottom of the floating plate (84) is provided with a group of suckers (85); the sucker (85) is used for transferring the polar plate.
2. The lithium battery production process according to claim 1, characterized in that: the end of the electric push rod (74) is rotatably provided with a supporting plate (741); the roller weighing device is characterized in that a torsion spring is arranged in a rotating shaft of the supporting plate (741), the roller (9) is slidably mounted at the bottom of the weighing box (6), an arc groove (742) is formed in the middle of the supporting plate (741), and the arc groove (742) is used for clamping the roller (9).
3. A lithium battery production process according to claim 2, characterized in that: a connecting rod (743) is arranged at the end of the rotating shaft of the roller (9), and the end of the connecting rod (743) is fixedly connected with a piston; the piston is slidably arranged in an air chamber (744) arranged in a bottom plate of the weighing box (6), and an air conveying pipe is arranged on the side wall of the air chamber (744); the bottom plate of the weighing box (6) is provided with a group of exhaust holes (62), the air pipe is communicated with the exhaust holes (62), and the roller (9) moves through the air chamber (744) to generate air flow.
4. The lithium battery production process according to claim 1, characterized in that: a push block (63) is arranged in the weighing box (6) in a sliding way; an air bag (64) is arranged on one side of the push block (63), and a group of air blowing holes are formed in the bottom of the air bag (64); the air bag (64) is used for slowing down the collision of the push block (63) to the rotating plate (61) and generating air flow to blow off dirt scraped from the bottom of the push block (63).
5. The lithium battery production process according to claim 4, characterized in that: the bottom of the push block (63) is provided with an arc-shaped groove (631); one side of the rotating plate (61) facing the pushing block (63) is provided with an arc-shaped elastic plate (65), and the elastic plate (65) is used for scraping dirt in the arc-shaped groove (631).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810464213.8A CN108417902B (en) | 2018-05-15 | 2018-05-15 | A kind of lithium battery production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810464213.8A CN108417902B (en) | 2018-05-15 | 2018-05-15 | A kind of lithium battery production technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108417902A CN108417902A (en) | 2018-08-17 |
| CN108417902B true CN108417902B (en) | 2019-10-25 |
Family
ID=63139606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810464213.8A Expired - Fee Related CN108417902B (en) | 2018-05-15 | 2018-05-15 | A kind of lithium battery production technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108417902B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113093009B (en) * | 2021-03-31 | 2022-05-27 | 朗屹环保科技(山东)有限公司 | Lead-acid battery internal polar plate inspection equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2849188B1 (en) * | 2002-12-23 | 2005-03-11 | Solystic | DEVICE FOR THE DYNAMIC PASSING OF POSTAL SHIPMENTS |
| CN201243053Y (en) * | 2008-05-26 | 2009-05-20 | 比亚迪股份有限公司 | Apparatus for manufacturing battery pole piece |
| CN107838053A (en) * | 2017-12-11 | 2018-03-27 | 苏州钮曼精密机电科技有限公司 | A kind of automatic weighing sorting device of battery pole plates |
-
2018
- 2018-05-15 CN CN201810464213.8A patent/CN108417902B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN108417902A (en) | 2018-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108672315B (en) | Lithium battery polar plate weighing instrument | |
| CN108417902B (en) | A kind of lithium battery production technology | |
| CN202893706U (en) | Test sorter for minimal type semiconductor devices | |
| CN219688483U (en) | Rotary visual inspection feeder | |
| CN111674611A (en) | Winter jujube integration assembly line equipment | |
| CN207580861U (en) | A kind of automatic material grasping of soft pack cell and weighing-appliance | |
| CN210893606U (en) | Intelligent computer hardware anti-falling performance detection device | |
| CN206691423U (en) | A kind of range estimation packing machine at a high speed | |
| CN111701884B (en) | Converging type sucking disc ceramic flaw detection device | |
| CN113176117B (en) | Microorganism aerosol electrostatic collection device | |
| CN211191032U (en) | Mechanical part detecting, rejecting and recycling equipment | |
| CN109499920B (en) | Bellows seat board ageing screening machine | |
| CN211802402U (en) | Pear classified screening equipment | |
| CN114160441A (en) | Solar energy polycrystalline silicon chip detecting system | |
| CN207703257U (en) | A kind of detection device of pencil sharpener Automated assembly | |
| CN221414061U (en) | Categorised punching optical detector is picked to pearl | |
| CN114602824B (en) | Accurate weighing device is used in production of homopolar ferrite magnetic particle | |
| CN213306158U (en) | Multistage type sunflower seed processing is with choice device | |
| CN219850894U (en) | High-precision magnetic ring test sorting equipment | |
| CN214347873U (en) | A sieving mechanism for preserved egg gel vibration detects | |
| CN220590642U (en) | High-efficient high accuracy sphere shape material sorter | |
| CN219024602U (en) | Magnetic disk for hanging magnetic separator | |
| CN218531869U (en) | Automatic sorting device for live chickens | |
| CN209784114U (en) | Device for detecting mud content in preparation process of expanded slag ceramsite | |
| CN218902618U (en) | Auto-parts sieving mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190920 Address after: Room 301-320, No. 235 Adu Road South, Kuitun City, Ili Kazakh Autonomous Prefecture, Xinjiang Uygur Autonomous Region Applicant after: Kuitun Yian New Energy Technology Co.,Ltd. Address before: 518067 Shenzhen Gongjin Electronics Co., Ltd. No. 1019 Shekou Nanhai Avenue, Nanshan District, Shenzhen City, Guangdong Province Applicant before: Li Aigen |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191202 Address after: Room 301-320, No. 235 Adu Road South, Kuitun City, Ili Kazakh Autonomous Prefecture, Xinjiang Uygur Autonomous Region Patentee after: Kuitun Tianju Energy Technology Co.,Ltd. Address before: Room 301-320, No. 235 Adu Road South, Kuitun City, Ili Kazakh Autonomous Prefecture, Xinjiang Uygur Autonomous Region Patentee before: Kuitun Yian New Energy Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211223 Address after: 230000 Room 301, building 18, hexuyuan community, Mengcheng North Road, Luyang District, Hefei City, Anhui Province Patentee after: Anhui qiguang New Energy Technology Co.,Ltd. Address before: 833200 room 301-320, No. 235, ADU highway south, Kuitun city, Ili Kazakh Autonomous Prefecture, Xinjiang Uygur Autonomous Region Patentee before: Kuitun Tianju Energy Technology Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191025 |