CN113964391B - Production process for thermal compounding of battery cells - Google Patents
Production process for thermal compounding of battery cells Download PDFInfo
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- CN113964391B CN113964391B CN202111134275.0A CN202111134275A CN113964391B CN 113964391 B CN113964391 B CN 113964391B CN 202111134275 A CN202111134275 A CN 202111134275A CN 113964391 B CN113964391 B CN 113964391B
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- 238000013329 compounding Methods 0.000 title claims abstract description 67
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 68
- 238000002955 isolation Methods 0.000 claims abstract description 38
- 239000002131 composite material Substances 0.000 claims abstract description 15
- 239000012528 membrane Substances 0.000 claims description 51
- 238000003825 pressing Methods 0.000 claims description 38
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 7
- 238000007373 indentation Methods 0.000 abstract description 6
- 238000012797 qualification Methods 0.000 abstract description 4
- 238000010924 continuous production Methods 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0481—Compression means other than compression means for stacks of electrodes and separators
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a production process for thermal compounding of an electric core, which comprises the following steps: s1, clamping an isolation film assembly from a thermal composite assembly by a material taking clamping jaw, placing the isolation film assembly above a product to be thermally compounded, and clamping a first isolation film and the product to be thermally compounded below the first isolation film by a second clamping jaw; s2, rotating the material taking clamping jaw by 180 degrees, wherein the product to be thermally compounded is positioned above the first isolating film; s3, conveying the first isolating film and the products on the first isolating film to a thermal compounding station of the thermal compounding assembly by using a material taking clamping jaw; s4, after thermal compounding, the material taking clamp of the transport assembly after thermal compounding is sent to a thermal compounding station. The invention realizes automatic continuous production, avoids indentation after thermal compounding of the battery cells, ensures that products are transported without offset before and after thermal compounding, improves the transportation safety and improves the qualification rate of finished products.
Description
Technical Field
The invention relates to the technical field of lithium battery production equipment, in particular to a production process for thermal compounding of an electric core.
Background
The battery cell is hot-pressed and shaped through a hot-pressing process in the lithium battery industry, and the diaphragm, the positive plate and the negative plate between the plates are heated and bonded, so that the battery cell is compact, the thickness of the battery cell is consistent, the qualification rate of the battery cell is improved, and the charge quantity of the use area of the battery cell is increased.
There are several ways of thermally compounding cells in the current market: firstly, a design of avoiding gaps is carried out on a thermal composite plate on a thermal compounding machine so as to realize clamping and conveying of a clamping jaw to a product; the second is to realize the product transportation to the thermal compound machine by blocking the product to realize the way of the clamping jaws out of the thermal compound machine; thirdly, the cell is conveyed to the thermal compound machine by adsorbing the surface diaphragm; and the fourth is to transport the power core by matching the conveyor belt with the conveyor belt.
These structures suffer from the following drawbacks: the existence of the first notch causes gaps in the plane of thermal compounding (hot pressing), so that the product is heated unevenly after thermal compounding, and has the problems of indentation and the like; the second structure for blocking the product from being pulled out is used for enabling the product to be subjected to relative friction force and blocking pressure, and the product falls on a thermal composite plane in and after the product is pulled out, so that the product is affected by relative displacement, external force and the like; the third adsorption surface diaphragm causes the problems of deformation and wrinkling of the diaphragm and the like, and the inside of the battery cell is damaged due to uneven stress and relative friction; in the fourth case, the start and stop of the conveyor belt cause alignment effect on the battery cell, the clearance between the conveyor belt and the connection part of the conveyor belt, and the battery cell has the risk of sagging and bumping.
Disclosure of Invention
The invention aims to overcome the defects, and provides a production process of thermal compounding of a battery cell, which can effectively solve the problems of offset caused by the problems during transportation of the battery cell, adoption of an isolating membrane assembly as a transportation tool of a product, and no indentation caused by gaps and the like because of the fact that an upper pressing surface and a lower pressing surface of the thermal compounding are whole planes; automatic continuous production is realized, indentation is avoided after thermal compounding of the battery cells, and products are transported without offset before and after thermal compounding, so that the transportation safety is improved, and the qualification rate of finished products is improved.
The purpose of the invention is realized in the following way:
a production process for thermal compounding of an electric core comprises the following steps:
S1, clamping an isolation film assembly from a thermal composite assembly by a material taking clamping jaw, placing the isolation film assembly above a product to be thermally compounded, and clamping a first isolation film and the product to be thermally compounded below the first isolation film by a second clamping jaw;
S2, after the material taking clamping jaw withdraws from the material taking position, the material taking clamping jaw rotates 180 degrees, and a product to be thermally compounded is positioned above the first isolating film;
s3, conveying the first isolating film and the products on the first isolating film to a thermal compounding station of the thermal compounding assembly by using a material taking clamping jaw; the compression cylinder group clamps the isolating membrane clamping plate, the material taking clamping jaw returns to the original position, and the thermal compounding assembly carries out thermal compounding on the product;
S4, after thermal compounding, a material taking clamp of the conveying assembly after thermal compounding goes to a thermal compounding station, a third clamping jaw clamps a separation membrane clamping plate, a fourth clamping jaw clamps a product and the first separation membrane, and the product is conveyed to the next station.
Preferably, in the step S3, before thermal compounding, the thermal compounding compacting cylinder group clamps the isolating membrane clamping plate, and the material taking clamping jaw can return to the original position, so that the product is located between the first isolating membrane and the second isolating membrane.
Preferably, in the step S4, when the material taking clamp arrives at the next station, the lifting cylinder stretches, the fourth clamping jaw drives the product and the middle part of the first isolating membrane to lift up, the tensioning cylinder contracts in a follow-up manner, the first isolating membrane is in a loose state, gaps are formed between the two ends of the product and the two ends of the first isolating membrane, and the clamp of the next station directly clamps the two ends of the product.
Preferably, after the product is taken away, the lifting cylinder returns to the original position, the fourth clamping jaw is loosened, the tensioning cylinder stretches, the first isolation film is in a tight state, the tight first isolation film is conveyed to the thermal compound assembly to be tightly pressed by the pressing cylinder group, and the material taking clamping jaw waits for the next clamping.
Preferably, a first clamping point A, a second clamping point B and a third clamping point C are arranged on the isolating membrane clamping plate of the isolating membrane assembly.
Preferably, in S1, if the isolating membrane clamping plate is single-sided positioning, the material taking clamping jaw clamps the isolating membrane assembly and then needs to turn over 180 ° and then is placed above the product, and the first clamping jaw of the material taking clamping jaw corresponds to the clamping point; if the isolating membrane clamping plate is positioned on two sides, the material taking clamping jaw does not need to be turned 180 degrees in the step.
The beneficial effects of the invention are as follows:
The invention can effectively solve the offset generated by the problems during the transportation of the battery cell, adopts the isolation film component as a transportation tool of the product, and has the advantages that the upper and lower pressing surfaces of the thermal composition are whole planes, and the problem that indentations are generated due to gaps and the like is avoided; automatic continuous production is realized, indentation is avoided after thermal compounding of the battery cells, and products are transported without offset before and after thermal compounding, so that the transportation safety is improved, and the qualification rate of finished products is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of a pre-thermal compounding transport assembly.
Fig. 3 is a schematic view of a structure of a take-out jaw for gripping a product.
Fig. 4 is a schematic view of the structure with the take-off jaw not flipped (with product under the first separator).
Fig. 5 is a schematic view of the structure with the take-off jaw flipped 180 ° (with the product over the first separator).
Fig. 6 is a schematic structural view of a thermal compound assembly.
Fig. 7 is a schematic structural view of the thermally compounded transport assembly.
Fig. 8 is a schematic structural view of the material taking clamp being transported to the next station.
Fig. 9 is a schematic view of the structure of the take-off clamp of fig. 7.
Fig. 10 is a schematic view of the structure of the take-out clamp of fig. 8.
Fig. 11 is a schematic structural view of the isolation diaphragm assembly.
Wherein: a thermal compound assembly 1; a pressing surface 1.1; pressing down the surface 1.2; an upper compression cylinder 1.3; a lower pressing cylinder 1.4; a second barrier film 1.5;
A material taking clamping jaw 2; a connecting seat 2.1; a first clamping jaw 2.2; a second jaw 2.3; a clip assembly 2.4; 2.4.1 connecting plates; a first clip 2.4.2;
a loading table 3; a separation membrane module 4; a first separator 4.1; 4.2 parts of isolating membrane clamping plates; product 5; a first linear module 6; a material taking clamp 7; a second linear module 8;
A material taking clamp 7; a base plate 7.1; a third linear module 7.2; a fourth linear module 7.3; a third jaw 7.4; a fourth jaw 7.5; lifting cylinder 7.6; a tensioning cylinder 7.7; 7.8 of linear slide rail; a first mounting plate 7.9; a second mounting plate 7.10; chute 7.11; and a second clip 7.12.
Detailed Description
Referring to fig. 1-11, the invention relates to a production line for thermal compounding of an electric core, which comprises a thermal compounding front conveying component, a thermal compounding component 1, a thermal compounding rear conveying component and an isolating membrane component 4, wherein the thermal compounding front conveying component and the thermal compounding rear conveying component are positioned at two sides or the same side of the thermal compounding component 1, the thermal compounding front conveying component comprises a manipulator and a carrying table 3, the manipulator is provided with a material taking clamping jaw 2, the carrying table 3 is used for placing a product 5 to be thermally compounded, the carrying table 3 is conveyed from the last station by a first linear module 6, the material taking clamping jaw 2 conveys the product 5 to be thermally compounded and the isolating membrane component 4 to the thermal compounding component 1,
The thermal-composite rear transport assembly comprises a material taking clamp 7 and a second linear module 8, wherein the material taking clamp 7 is used for clamping the isolation film assembly 4 and the thermal-composite product 5 from a thermal-composite station of the thermal-composite assembly 1, and the material taking clamp 7 is conveyed to the next station by the second linear module 8.
The isolating membrane component 4 comprises a first isolating membrane 4.1 and isolating membrane clamping plates 4.2, the two isolating membrane clamping plates 4.2 clamp the two ends of the first isolating membrane,
The thermal composite assembly 1 comprises an upper pressing surface 1.1, a lower pressing surface 1.2 and a pressing cylinder group, wherein the upper pressing surface 1.1 is matched with the lower pressing surface 1.2, the pressing cylinder group is arranged on two sides of the upper pressing surface 1.1 and the lower pressing surface 1.2, a second isolating membrane 1.5 is fixedly arranged on the upper pressing surface 1.1, the isolating membrane assembly 4 is arranged above the lower pressing surface 1.2, the pressing cylinder group comprises an upper pressing cylinder 1.3 and a lower pressing cylinder 1.4, and an isolating membrane clamping plate 4.2 of the isolating membrane assembly 4 is vertically pressed through the upper pressing cylinder 1.3 and the lower pressing cylinder 1.4.
The material taking clamping jaw 2 comprises a connecting seat 2.1, first clamping jaws 2.2 used for clamping an isolating film clamping plate 4.2 are respectively arranged at two ends of the connecting seat 2.1, a second clamping jaw 2.3 is arranged in the middle of the connecting seat 2.1, one clamping jaw assembly 2.4 is connected to one single jaw on one side of the upper side and the lower side of the second clamping jaw 2.3, the first isolating film 4.1 and a product 5 to be thermally compounded are clamped simultaneously by the second clamping jaw 2.3 through the clamping jaw assemblies 2.4 which are arranged in an up-down symmetrical mode, the second clamping jaw 2.3 is used for fixing the product, the material taking clamping jaw 2 is prevented from dropping in the process of conveying the product and overturning by 180 degrees, the clamping jaw assemblies 2.4 comprise a connecting plate 2.4.1 and first clamping jaws 2.4.2, the connecting plate 2.4.1 is connected with single jaws on the same side in the upper side and the lower side of the second clamping jaw 2.3, the connecting plate 2.4.1 is connected with a plurality of first clamping jaws 2.4.2, the first clamping jaws 2.2.2 are spaced, and the first clamping jaws 2.4.2.2 are prevented from being offset in the process of overturning the clamping jaw 5.
The material taking clamp 7 comprises a bottom plate 7.1, a third linear module 7.2, a fourth linear module 7.3, a third clamping jaw 7.4, a fourth clamping jaw 7.5, a lifting cylinder 7.6 and a tensioning cylinder 7.7, wherein the bottom plate 7.1 is connected with a sliding seat of the second linear module 8, the third linear module 7.2 is symmetrically arranged at two ends of the bottom plate 7.1, the fourth linear module 7.3 is fixed on the middle of the bottom plate 7.1 through a first mounting plate 7.9, the fourth linear module 7.3 is parallel to the third linear module 7.2, the third linear module 7.2 is fixed on a second mounting plate 7.10, the bottom plate 7.1 is provided with a linear sliding rail 7.8, the second mounting plate 7.10 is corresponding to the linear sliding rail 7.8, the sliding seat of the third linear module 7.2 is provided with a third linear module 7.4, the isolation film 4.2 of the third clamping jaw 7.4 clamping film assembly 4, the fourth linear module 7.3 is connected with the lifting cylinder 7.6, the fourth clamping jaw 7.6 is connected with the tensioning cylinder 7.5, the tensioning cylinder 7.5 is connected with a telescopic clamping jaw 7.5 through a telescopic clamping jaw 7.5, and the telescopic clamping jaw 7.5 is connected with a telescopic clamping jaw 7.1 on the first telescopic clamping plate 7.1, and the telescopic clamping jaw is positioned on the middle part of the telescopic clamping plate 7.1.
The isolating membrane clamping plate 4.2 is provided with a first clamping point A, a second clamping point B and a third clamping point C.
When the transportation assembly before thermal compounding and the transportation assembly after thermal compounding are located on two sides of the thermal compounding assembly 1, the first clamping jaw 2.2 of the material taking clamping jaw 2 clamps at the first clamping point A, the compression cylinder group compresses at the second clamping point B, and the third clamping jaw 7.4 of the material taking clamp 7 clamps at the third clamping point C. The clamping sequence of the isolating membrane clamping plates is as follows: in the initial state, the compression cylinder group clamps the second clamping point B, the material taking and feeding state, the material taking clamping jaw 2 clamps the first clamping point A, the thermal compounding state, the compression cylinder group clamps the second clamping point B, the material taking clamp clamps the third clamping point C, the material taking clamp returns to the initial state, and the compression cylinder group clamps the second clamping point B.
When the transportation assembly before thermal compounding and the transportation assembly after thermal compounding are located on the same side of the thermal compounding assembly 1, the first clamping jaw 2.2 of the material taking clamping jaw 2 clamps at the first clamping point A, the compression cylinder group compresses at the second clamping point B, and the third clamping jaw 7.4 of the material taking clamp 7 clamps at the first clamping point A. The clamping sequence of the isolating membrane clamping plates is as follows: in the initial state, the compression cylinder group clamps the second clamping point B, the material taking and feeding state, the material taking clamping jaw 2 clamps the first clamping point A, the thermal compounding state, and after the compression cylinder group clamps the second clamping point B, the material taking clamp clamps the first clamping point A, returns to the initial state, and the compression cylinder group clamps the second clamping point B.
A production process for thermal compounding of an electric core comprises the following steps:
the method comprises the following steps:
S1, clamping an isolation film assembly from a thermal composite assembly 1 by a first clamping jaw of a material taking clamping jaw 2, placing the isolation film assembly above a product 5 to be thermally compounded, and clamping the first isolation film and the product 5 to be thermally compounded below the first isolation film by a second clamping jaw; if the isolating membrane clamping plate is positioned on one side (the clamping point is positioned on one side), the material taking clamping jaw 2 is required to turn over 180 degrees after clamping the isolating membrane component and then is placed above the product 5, so that the first clamping jaw of the material taking clamping jaw corresponds to the clamping point; if the isolating film clamping plate is positioned on two sides (clamping points are on two sides), the material taking clamping jaw does not need to turn over 180 degrees in the step;
S2, after the material taking clamping jaw withdraws from the material taking position, the material taking clamping jaw rotates 180 degrees, and a product to be thermally compounded is positioned above the first isolating film;
S3, conveying the first isolation film and the product 5 on the first isolation film to a thermal compounding station of a thermal compounding assembly by using a material taking clamping jaw, clamping an isolation film clamping plate by using a compression cylinder group, returning the material taking clamping jaw to the original position, and thermally compounding the product by using the thermal compounding assembly, wherein the product 5 is positioned between the first isolation film and the second isolation film;
S4, after thermal compounding, a material taking clamp 7 of the conveying assembly after thermal compounding goes to a thermal compounding station, a third clamping jaw clamps a separation membrane clamping plate, a fourth clamping jaw clamps a product and a first separation membrane, and the product 5 is conveyed to the next station. When the material taking clamp 7 reaches the next station, the lifting cylinder stretches, the fourth clamping jaw drives the product and the middle part of the first isolating film to lift upwards, the tensioning cylinder contracts in a follow-up mode, the first isolating film is in a loose state, gaps are formed between the two ends of the product and the two ends of the first isolating film, and the clamp of the next station directly clamps the two ends of the product 5; after the product 5 is taken away, the lifting cylinder returns to the original position, the fourth clamping jaw is loosened, the tensioning cylinder stretches, the first isolating membrane is in a tight state, the tight first isolating membrane is conveyed to the thermal compound assembly to be compressed by the compressing cylinder group, and the material taking clamping jaw waits for the next clamping.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions that are formed by equivalent transformation or equivalent substitution should fall within the protection scope of the claims of the present invention.
Claims (4)
1. A production process of thermal compounding of an electric core is characterized in that: the method comprises the following steps:
S1, clamping an isolation film assembly from a thermal composite assembly by a material taking clamping jaw, wherein the isolation film assembly comprises a first isolation film and an isolation film clamping plate, two isolation film clamping plates clamp two ends of the first isolation film, the material taking clamping jaw comprises a connecting seat, two ends of the connecting seat are respectively provided with a first clamping jaw used for clamping the isolation film clamping plate, a second clamping jaw is arranged in the middle of the connecting seat, the isolation film assembly is placed above a product to be thermally compounded of a material loading station, and the second clamping jaw clamps the first isolation film and the product to be thermally compounded below the first isolation film;
S2, after the material taking clamping jaw withdraws from the material taking position, the material taking clamping jaw rotates 180 degrees, and a product to be thermally compounded is positioned above the first isolating film;
S3, conveying the first isolating film and the products on the first isolating film to a thermal compounding station of the thermal compounding assembly by using a material taking clamping jaw; the thermal composite assembly comprises an upper pressing surface, a lower pressing surface and a pressing cylinder group, the upper pressing surface is matched with the lower pressing surface, the pressing cylinder group is arranged on two sides of the upper pressing surface and the lower pressing surface, a second isolating film is fixedly arranged on the upper pressing surface, the isolating film assembly is arranged above the lower pressing surface, the pressing cylinder group comprises an upper pressing cylinder and a lower pressing cylinder, and an isolating film clamping plate of the isolating film assembly is pressed up and down through the upper pressing cylinder and the lower pressing cylinder; the compression cylinder group clamps the isolating membrane clamping plate, the material taking clamping jaw returns to the original position, and the thermal compounding assembly carries out thermal compounding on the product;
S4, after thermal compounding, a material taking clamp of a transport assembly after thermal compounding goes to a thermal compounding station, the material taking clamp comprises a bottom plate, a third linear module, a fourth linear module, a third clamping jaw, a fourth clamping jaw, a lifting cylinder and a tensioning cylinder, the bottom plate is connected with a sliding seat of the second linear module, the third linear module is symmetrically arranged at two ends of the bottom plate, the fourth linear module is fixed on the middle of the bottom plate through a first mounting plate and is parallel to the third linear module, the third linear module is fixed on a second mounting plate, a linear sliding rail is arranged on the bottom plate, a sliding groove is arranged on the second mounting plate corresponding to the linear sliding rail, the sliding seat of the third linear module is provided with a third clamping jaw, a separation membrane clamping plate of the third clamping separation membrane assembly is clamped by the third clamping jaw, the sliding seat of the fourth linear module is connected with the lifting cylinder, and a telescopic rod of the lifting cylinder is connected with the fourth clamping jaw;
The tensioning cylinder is fixed on the bottom plate, the tensioning cylinder is positioned at the inner side of the second mounting plate, the telescopic rod of the tensioning cylinder is connected with the second mounting plate, and the distance between the two third clamping jaws is adjusted through the telescopic rod of the tensioning cylinder, so that the tightness of the first isolation film is controlled;
the third clamping jaw clamps the isolating membrane clamping plate, the fourth clamping jaw clamps the product and the first isolating membrane, and the product is conveyed to the next station;
In the step S4, when the material taking clamp reaches the next station, the lifting cylinder stretches, the fourth clamping jaw drives the product and the middle part of the first isolating membrane to be lifted upwards, the tensioning cylinder is contracted in a follow-up mode, the first isolating membrane is in a loose state, gaps are formed between the two ends of the product and the two ends of the first isolating membrane, and the clamp of the next station directly clamps the two ends of the product;
After the product is taken away, the lifting cylinder returns to the original position, the fourth clamping jaw is loosened, the tensioning cylinder stretches, the first isolation film is in a tight state, the tight first isolation film is conveyed to the thermal compound assembly to be tightly pressed by the pressing cylinder group, and the material taking clamping jaw waits for the next clamping.
2. The process for producing the thermal composite of the battery cells according to claim 1, wherein the process comprises the following steps of: in the step S3, before thermal compounding, the thermal compounding compacting cylinder group clamps the isolating membrane clamping plates, the material taking clamping jaw can return to the original position, and at the moment, the product is positioned between the first isolating membrane and the second isolating membrane.
3. The process for producing the thermal composite of the battery cells according to claim 1, wherein the process comprises the following steps of: the isolation film clamping plate of the isolation film assembly is provided with a first clamping point A, a second clamping point B and a third clamping point C.
4. A process for producing a thermal composite of cells according to claim 3, wherein: in S1, if the isolating membrane clamping plate is positioned on one side, the isolating membrane assembly is clamped by the material taking clamping jaw, turned over by 180 degrees and then placed above a product, and the first clamping jaw of the material taking clamping jaw corresponds to the clamping point; if the isolating membrane clamping plate is positioned on two sides, the material taking clamping jaw does not need to be turned 180 degrees in the step.
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| CN202111134275.0A CN113964391B (en) | 2021-09-27 | 2021-09-27 | Production process for thermal compounding of battery cells |
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| CN202111134275.0A CN113964391B (en) | 2021-09-27 | 2021-09-27 | Production process for thermal compounding of battery cells |
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| CN113964391B true CN113964391B (en) | 2024-05-31 |
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| WO2012022063A1 (en) * | 2010-08-20 | 2012-02-23 | 深圳市吉阳自动化科技有限公司 | Epicyclic clamp, method and device for assembling power cell |
| CN205319257U (en) * | 2015-11-16 | 2016-06-15 | 珠海光宇电池有限公司 | Trapezoidal electric core of coiling formula |
| CN112582660A (en) * | 2019-09-29 | 2021-03-30 | 广东利元亨智能装备股份有限公司 | Diaphragm composite device |
| CN210972959U (en) * | 2019-10-11 | 2020-07-10 | 珠海华冠科技股份有限公司 | Lithium cell duplex position unloader |
| CN211594201U (en) * | 2019-12-25 | 2020-09-29 | 无锡先导智能装备股份有限公司 | Clamping device and transfer system |
| CN211017271U (en) * | 2019-12-31 | 2020-07-14 | 江西安驰新能源科技有限公司 | Composite roll core |
| CN213445044U (en) * | 2020-09-30 | 2021-06-15 | 江苏逸飞激光设备有限公司 | Electricity core changes preface device and battery production line |
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