CN115642312B - Lithium battery insulating film lamination device and lamination method - Google Patents
Lithium battery insulating film lamination device and lamination method Download PDFInfo
- Publication number
- CN115642312B CN115642312B CN202211369308.4A CN202211369308A CN115642312B CN 115642312 B CN115642312 B CN 115642312B CN 202211369308 A CN202211369308 A CN 202211369308A CN 115642312 B CN115642312 B CN 115642312B
- Authority
- CN
- China
- Prior art keywords
- insulating film
- lamination
- film material
- material belt
- belt
- 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.)
- Active
Links
Images
Classifications
-
- 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
- Secondary Cells (AREA)
Abstract
The invention discloses a lithium battery insulating film lamination device and a lamination method, and relates to the technical field of lithium battery production, wherein the lithium battery insulating film lamination device comprises a bearing bracket, a rectangular lamination table is arranged on the bearing bracket, and a translation assembly is arranged above the lamination table and is used for supplying insulating film material strips to the lamination table; one of the two opposite sides of the lamination table is provided with a limiting component, and the other two opposite sides are provided with pressing components. According to the invention, through the arrangement of the limiting component, before the translation component drives the insulating film material belt to move from left to right, the left limiting component can limit and press the left edge position of the insulating film material belt, and after the translation component drives the insulating film material belt to move from left to right, the limiting and pressing effect of the limiting component on the left edge position of the insulating film material belt can be relieved; before the translation assembly drives the insulating film material belt to move from right to left, the right limiting assembly can limit and press the right edge position of the insulating film material belt.
Description
Technical Field
The invention relates to the technical field of lithium battery production, in particular to a lithium battery insulating film lamination device and a lithium battery insulating film lamination method.
Background
The power battery is a core component of the electric automobile, can determine the development prospect of the new energy automobile, and the further development of the new energy industry requires the improvement of the performance of the lithium ion battery and the new breakthrough of the manufacturing process thereof. Because of the rising of the technology without modules (CTP), the single size of the battery is required to be large, and the lamination process route is uniform in stress and not easy to deform, so that the deformation consistency in the charge and discharge process is guaranteed, and the advantages of avoiding lithium precipitation are fully reflected. At present, the lamination process of the lithium battery improves the stability of the battery cell, but the lamination speed is slow so as to restrict the large-scale popularization and application of the lithium battery. In the prior art, the traditional method is that a diaphragm Z is stacked, an anode and a cathode are inserted and stacked, the preparation process of the battery core is complex, a great amount of time and energy are required to execute the sequential stacking process, the mechanized operation is not easy to realize, and the production efficiency is low. In the manufacturing process of lithium batteries, the anode foil, the isolating film and the cathode foil need to be packaged together to form a battery core, and at present, two processes of winding and lamination mainly exist. The manufacturing of the high-capacity power battery mainly adopts a lamination process, one of the cores is to lay a separation film between the anode foil and the cathode foil, the separation film is continuous and not cut off, and the tension of the separation film is controlled to be constant in the laying process, so that the high-quality battery can be obtained.
The chinese patent document (issued publication No. CN 209675436U) discloses a lithium battery insulating film lamination device, in this technical scheme, firstly, draw the end of the insulating film out of the material placing mechanism, and after passing the end of the insulating film through the tension control mechanism, the buffer mechanism and the translation mechanism in sequence, utilize the pushing mechanism to compress tightly on the lamination platform, afterwards the material placing mechanism starts to export the insulating film, and simultaneously utilizes the tension control mechanism to control the insulating film to keep preset tension, then carries out insulating film buffering, utilizes the buffer mechanism to collect the insulating film, and the insulating film distance that the buffer mechanism collected is the same as the insulating film distance of a layer of insulating film after stacking, afterwards the material placing mechanism stops outputting the insulating film, the pushing mechanism is far away from the insulating film on the lamination platform, at this time can stack next layer, the translation mechanism with the buffer mechanism operates simultaneously, the insulating film that the buffer mechanism will collect to the translation mechanism drives the insulating film on the lamination platform, and then stacks the lamination platform, after the insulating film of the lower layer of insulating film, the lithium battery is stacked, the insulating film is repeatedly stacked until the lamination is completed.
However, in the above technical scheme, when the translation mechanism is utilized to drive the insulating film to translate on the lamination platform, the translation mechanism drives the insulating film to move to one end of the lamination platform, at this moment, the pressing mechanism can move downwards to press the insulating film, after the pressing is completed, the pressing mechanism moves upwards to reset, then the translation mechanism drives the insulating film to drive the insulating film to move on the lamination platform again, but at this moment, the translation mechanism drives the insulating film to move from one end to the other end, and then the linkage of the folding position of the edge of the insulating film, and then in the process that the insulating film moves from one end to the other end, the edge position of the insulating film which is pressed originally can deviate, and then in the follow-up pressing process, the insulating film is not orderly laminated on the lamination platform, and the edge position of the insulating film has deviation. For example, as shown in fig. 6, in this state, the lamination mechanism 103 is pressing the laminated insulating film 102, and after the lamination mechanism 103 is pressing, the laminated insulating film 104 is reset upwards, and then, under the driving of the translation mechanism 105, the laminated insulating film 102 moves from right to left, and at this time, the folded portion (a) of the laminated insulating film 102 moves from right to left by a distance, that is, the edge position is offset, and under the multiple pressing and translating steps, the laminated insulating film 102 is irregular, and the edge positions are irregular.
Disclosure of Invention
The invention aims to provide a lithium battery insulating film lamination device and a lithium battery insulating film lamination method.
The technical problems solved by the invention are as follows:
(1) In the prior art, the preparation process of the laminated battery cell is complex, a great amount of time and energy are needed to execute the sequential stacking process, the mechanized operation is not easy to realize, and the production efficiency is low;
(2) The translation mechanism is utilized to drive the insulating film to move left and right, the insulating film is stacked on the stacking platform, the edge folding position of the insulating film is limited due to the linkage of the edge folding position of the insulating film and the fact that the limiting part is not arranged, and the like, and then the edge position of the insulating film which is pressed well originally can deviate in the process of moving the insulating film from one end to the other end, so that the insulating film is not orderly stacked on the stacking platform in the subsequent pressing process, and the edge position of the insulating film can deviate.
The aim of the invention can be achieved by the following technical scheme:
the lithium battery insulating film lamination device comprises a bearing bracket, wherein the bearing bracket is provided with a rectangular lamination table, and a translation assembly is arranged above the lamination table and is used for supplying an insulating film material belt to the lamination table; one of the two opposite sides of the lamination table is provided with a limiting component, and the other two opposite sides are provided with a pressing component;
the limiting assembly comprises a driving motor and two rotating shafts, wherein the two rotating shafts are rotatably installed on the bearing support, the two rotating shafts are located above the lamination table, a plurality of belt pulleys are fixedly sleeved on the rotating shafts, a conveying belt is sleeved between the corresponding belt pulleys on the two rotating shafts, a limiting block is fixedly installed on the outer side of the conveying belt, the driving motor is fixedly installed on the bearing support, and an output shaft of the driving motor is fixedly connected with one of the rotating shafts.
As a further scheme of the invention: and a rubber cushion is fixedly arranged on the limiting block.
As a further scheme of the invention: the lamination assembly comprises a plurality of fixed blocks and a plurality of movable rods, wherein the fixed blocks are fixedly arranged on the lamination table, the fixed blocks are arranged along the length direction of one side of the lamination table, the movable rods are in one-to-one correspondence with the fixed blocks, and one ends of the movable rods are respectively hinged to the corresponding fixed blocks.
As a further scheme of the invention: the lamination assembly further comprises a plurality of electromagnets, the electromagnets are arranged in one-to-one correspondence with the fixed blocks, the electromagnets are fixedly mounted at the tops of the corresponding fixed blocks respectively, an iron block is fixedly mounted on one side, close to the tops of the fixed blocks, of the movable rod, and a reset spring fixedly connected with the lamination table is arranged on the movable rod.
As a further scheme of the invention: the translation assembly comprises two threaded screw rods and a movable support, the two threaded screw rods are arranged in parallel and are located above the lamination table, two ends of the movable support are respectively and spirally arranged on the two threaded screw rods, two rotating rollers are rotatably arranged on the movable support, the two rotating rollers are arranged in parallel, and a gap for an insulating film to pass through is reserved between the two rotating rollers.
As a further scheme of the invention: one of the rotating rollers is slidably arranged on the movable bracket, so that the size of a gap formed between the two rotating rollers can be adjusted.
As a further scheme of the invention: the top of the lamination table is provided with a groove.
A lamination method of a lithium battery insulating film lamination device, comprising the following steps:
s1, respectively hot-pressing an anode plate and a cathode plate on the upper surface and the lower surface of an insulating film at intervals to form an insulating film material belt;
s2, enabling the formed insulating film material belt to pass through a gap formed between two rotating rollers from top to bottom, and enabling the bottom end of the insulating film material belt to be placed in a groove on a lamination table;
s3, driving the two threaded lead screws to rotate simultaneously, wherein under the rotation action of the two threaded lead screws, the movable support drives the two rotating rollers and the insulating film material belt passing through the gap to move from left to right or from right to left, so that the insulating film material belt can be supplied to the lamination table from left to right or from right to left;
s4, before the insulating film material belt moves along with the two rotating rollers from left to right, the left driving motor drives the left conveying belt to rotate, the conveying belt drives the limiting block on the conveying belt to move, so that the limiting block is propped against the left edge position of the insulating film material belt until the insulating film material belt moves from the left end to the right end, and then the left driving motor reversely rotates, so that the limiting block is far away from the insulating film material belt; before the insulating film material belt moves along with the two rotating rollers from right to left, the driving motor on the right drives the conveyor belt on the right to rotate, and the conveyor belt drives the limiting block on the conveyor belt to move, so that the limiting block is propped against the right edge position of the insulating film material belt until the insulating film material belt moves from the right end to the left end, and then the driving motor on the right rotates reversely, so that the limiting block is far away from the insulating film material belt;
s5, after the insulating film material belt moves from the left end to the right end or from the right end to the left end, supplying power to the electromagnet, wherein the electromagnet can absorb the iron block when being electrified, and then the movable rods can rotate towards the lamination table, namely, lamination treatment is carried out on the stacked insulating film material belt on the lamination table;
s6, after the pressing is completed, the electromagnet is powered off, and the movable rod is reset to the initial position under the elastic action of the reset spring;
s7, under the sequential actions of the translation assembly, the limiting assembly and the pressing assembly, the insulating film material belt can be neatly folded on the lamination table, and lamination is completed.
Compared with the prior art, the invention has the beneficial effects that:
1. through the arrangement of the limiting component, before the translation component drives the insulating film material belt to move from left to right, the left limiting component can limit and press the left edge position of the insulating film material belt, and after the translation component drives the insulating film material belt to move from left to right, the limiting and pressing effect of the limiting component on the left edge position of the insulating film material belt can be relieved; before the translation assembly drives the insulating film material belt to move from right to left, the right limiting assembly can limit and press the right edge position of the insulating film material belt, and after the translation assembly drives the insulating film material belt to move from right to left, the limiting and pressing effect of the limiting assembly on the right edge position of the insulating film material belt can be relieved; the arrangement ensures that the position of the part of the insulating film material tape laminated on the lamination table does not deviate in the process of moving the insulating film material tape left and right, so that the edge position of the insulating film material tape after lamination is accurate;
2. through the arrangement of the lamination assembly, after the limiting and pressing action of the limiting assembly on the insulating film material belt is relieved each time, the electromagnet is electrified, the electromagnet can produce a magnetic attraction action on the iron block, and then the movable rod can drive the iron block to rotate towards the electromagnet, namely the movable rod can be pressed on the top of the insulating film material belt on the lamination table, lamination treatment is carried out on the insulating film material belt after lamination, and the compact and attractive structure of the insulating film material belt after lamination is ensured;
3. through the arrangement of the translation assembly, the rotation of the two threaded lead screws can drive the movable support to move left and right, the left and right movement of the movable support can drive the two rotating rollers to move left and right, and then the two rotating rollers can drive the insulating film material strip positioned in the gap between the two rotating rollers to move left and right, so that the procedure of left and right movement of the insulating film material strip is realized; meanwhile, the size of a gap formed between the two rotating rollers is adjustable, so that different insulating film material belts can be conveniently carried and driven to move left and right, the insulating film material belts can be stably attached to the outer parts of the rotating rollers, and the insulating film material belts can be stably moved.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the overall structure of the present invention;
FIG. 3 is a schematic view of the overall structure of the spacing assembly and the pressing assembly of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3 at B;
FIG. 5 is an enlarged schematic view of FIG. 4 at C;
fig. 6 is a schematic diagram of a prior art structure.
In the figure: 1. a load bearing bracket; 2. a lamination stage; 3. a translation assembly; 31. a threaded screw rod; 32. a movable support; 33. a rotating roller; 4. an insulating film material tape; 5. a limit component; 6. a pressing assembly; 61. a fixed block; 62. a movable rod; 63. an electromagnet; 64. iron blocks; 7. a driving motor; 8. a rotating shaft; 9. a belt pulley; 10. a conveyor belt; 11. a limiting block; 12. a rubber cushion; 13. a groove; 101. a lamination platform; 102. an insulating film laminated; 103. a pressing mechanism; 104. an insulating film before lamination; 105. a translation mechanism; 106. and translating the sliding block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-5, a lithium battery insulating film lamination device comprises a bearing bracket 1, wherein a lamination table 2 is fixedly arranged on the bearing bracket 1, the lamination table 2 is rectangular, meanwhile, a groove 13 is formed at the top of the lamination table 2, and during initial lamination, a positive pole piece and a negative pole piece can be respectively and alternately hot-pressed on the upper surface and the lower surface of an insulating film to form an insulating film material belt 4; a translational component 3 is arranged above the lamination table 2, a feeding component (not shown in the figure) is arranged outside, the insulating film material belt 4 is supplied to the translational component 3 through the feeding component, and then the translational component 3 supplies the insulating film material belt 4 to a groove 13 on the lamination table 2 for lamination treatment. In the lamination treatment process of the insulating film material belt 4 on the groove 13, in order to ensure that the translation component 3 drives the insulating film material belt 4 to move left and right in the translation process, the stability of the position of the insulating film material belt 4 on the lamination table 2 is arranged, the limiting components 5 are arranged on one of two opposite sides of the lamination table 2, and the insulating film material belt 4 on the lamination table 2 is subjected to limiting pressing treatment by the limiting components 5, so that the edge position of the insulating film material belt 4 can be limited before the translation component 3 drives the insulating film material belt 4 to move left to right or right to left, and the accuracy and the uniformity of lamination of the insulating film material belt 4 are ensured. Meanwhile, pressing components 6 are arranged on the other two opposite sides of the lamination table 2, the translation component 3 is driven by the pressing components 6 to move from left to right or from right to left, and after the pressing components 6 are completed, the pressing components 6 can press the insulating film material strips 4 which are moved each time, so that the insulating film material strips 4 after lamination are compact, and the edge positions are accurate.
For the arrangement of the limiting assembly 5, the limiting assembly 5 comprises a driving motor 7 and two rotating shafts 8, the two rotating shafts 8 are rotatably arranged on the bearing bracket 1, the two rotating shafts 8 are relatively arranged in parallel, meanwhile, the two rotating shafts 8 are positioned above the lamination table 2, a plurality of belt pulleys 9 are fixedly sleeved on the rotating shafts 8, a conveyor belt 10 is fixedly sleeved between the corresponding two belt pulleys 9 on the two rotating shafts 8 which are vertically arranged, and meanwhile, a limiting block 11 is fixedly arranged outside the conveyor belt 10; the driving motor 7 is fixedly arranged on the bearing bracket 1, and an output shaft of the driving motor 7 is fixedly connected with one of the rotating shafts 8, and a transmission belt 10 is sleeved between the upper rotating shaft 8 and the lower rotating shaft 8, so that the driving motor 7 can be started to drive the two rotating shafts 8 to rotate simultaneously, and the transmission belt 10 can drive a limiting block 11 on the driving motor to move. When the translation assembly 3 drives the insulating film material belt 4 to move from left to right or from right to left, the driving motor 7 can drive the limiting block 11 to move, so that the limiting block 11 moves to the upper side of the side part of the groove 13 on the lamination table 2, until the limiting block 11 continues to move towards the groove 13 to limit and press the edge part of the insulating film material belt 4 on the side part of the groove 13, at the moment, the translation assembly 3 can drive the insulating film material belt 4 to move from left to right or from right to left, the edge part of the insulating film material belt 4 can be limited and pressed, the accuracy and stability of lamination of the insulating film material belt 4 are ensured, in order to prevent the limiting block 11 from causing pressing damage to the insulating film material belt 4, a rubber cushion 12 is fixedly installed on the limiting block 11, and when the limiting block 11 and the edge of the insulating film material belt 4 are pressed, the rubber cushion 12 firstly contacts and presses the edge of the insulating film material belt 4.
For the setting of the above-mentioned well lamination subassembly 6, lamination subassembly 6 includes a plurality of fixed blocks 61 and a plurality of movable rod 62, a plurality of fixed blocks 61 are all fixed mounting on lamination platform 2, and a plurality of fixed blocks 61 are arranged along lamination platform 2 one side length direction, a plurality of movable rod 62 and a plurality of fixed block 61 one-to-one setting, and a plurality of movable rod 62 one end articulates respectively on corresponding fixed block 61, after translation subassembly 3 drive insulating film material area 4 from left to right or from right to left removes the lamination process of accomplishing once, a plurality of movable rod 62 can rotate towards the position that is close to fixed block 61, until movable rod 62 rotates to the top of pressing with fixed block 61, this in-process movable rod 62 can carry out the pressfitting to the lamination on the recess 13, make insulating film material area 4 after its lamination can be compact together. Specifically, in order to automatically control the rotation of the movable rod 62, the pressing assembly 6 further includes a plurality of electromagnets 63, the plurality of electromagnets 63 are arranged in one-to-one correspondence with the plurality of fixed blocks 61, the plurality of electromagnets 63 are respectively and fixedly installed at the tops of the corresponding fixed blocks 61, meanwhile, an iron block 64 is fixedly installed at one side of the movable rod 62 close to the top of the fixed block 61, after the electromagnet 63 is electrified, a magnetic attraction effect can be generated with the iron block 64, when the electromagnet 63 is electrified, the electromagnet 63 can generate a magnetic attraction force to attract the iron block 64, and then the movable rod 62 can rotate under the magnetic attraction force to press the laminated insulating film material belt 4; meanwhile, in order to ensure that the movable rod 62 can automatically restore to the initial position when the electromagnet 63 is powered off, a reset spring (not shown in the figure) fixedly connected with the lamination table 2 is arranged on the movable rod 62, when the electromagnet 63 is powered on, the movable rod 62 can rotate close to the fixed block 61, the reset spring can be compressed in the process, and when the electromagnet 63 is powered off, the movable rod 62 can restore to the initial position under the elastic acting force of the reset spring, so that the next lamination work is facilitated.
Of course, the means for generating magnetic attraction force with the electromagnet 63 is not limited to the iron block 64, and a magnetic metal block such as cobalt or nickel may be provided on the movable rod 62, as long as the purpose of generating magnetic attraction force with the electromagnet 63 is achieved.
For the setting of translation subassembly 3, translation subassembly 3 includes two screw thread lead screw 31 and removes support 32, two screw thread lead screw 31 parallel arrangement and all are located the top of lamination platform 2, remove the both ends of support 32 and install on two screw thread lead screw 31 respectively, specifically, can rotate two screw thread lead screw 31 and install on bearing support 1, set up simultaneously on bearing support 1 and be used for carrying out spacing connecting piece (not shown in the figure) to remove support 32, when two screw thread lead screw 31 rotate simultaneously, under the spacing effect of connecting piece (not shown in the figure), remove support 32 and can move about on two screw thread lead screw 31. The screw rod 31 can be set to be a one-way threaded rod, and the movable bracket 32 can be driven to move left and right by controlling the forward and reverse rotation of the one-way threaded rod; or may be configured as a reciprocating threaded rod, and the rotation of the reciprocating threaded rod may drive the moving bracket 32 to move left and right. Further, two rotating rollers 33 are rotatably mounted on the movable support 32, the two rotating rollers 33 are arranged in parallel, a gap for the insulating film material belt 4 to pass through is reserved between the two rotating rollers 33, and feeding is performed between the two rotating rollers 33 through an external feeding component (not shown in the figure), namely, the fed insulating film material belt 4 passes through the gap and is attached to the outside of the rotating rollers 33, when the two threaded screws 31 rotate, the movable support 32 moves left and right, and then the two rotating rollers 33 drive the insulating film material belt 4 in the gap to move left and right, namely, the procedure of feeding the insulating film material belt 4 to the lamination table 2 through the translation component 3 is completed. In order to adapt to the translational feeding of the insulating film material strips 4 of different types, one of the rotating rollers 33 is arranged on the moving bracket 32 in a sliding manner, and the sliding mounting of the rotating roller 33 enables the gap formed between the two rotating rollers 33 to be adjustable, so that the insulating film material strips 4 of different types can be more conveniently attached to the outside of the rotating rollers 33 after passing through the gap, and the two rotating rollers 33 can accurately and smoothly transfer the insulating film material strips 4.
In order to better describe the technical scheme of the invention, the invention also relates to a lamination method of the lithium battery insulating film lamination device, which comprises the following steps:
s1, respectively hot-pressing an anode pole piece and a cathode pole piece on the upper surface and the lower surface of an insulating film at intervals to form an insulating film material belt 4;
s2, arranging the formed insulating film material belt 4 on a peripheral feeding assembly (not shown in the figure), and then arranging the bottom end of the insulating film material belt 4 in a gap formed by passing through two rotating rollers 33 from top to bottom and arranging the bottom end of the insulating film material belt in a groove 13 on the lamination table 2; the size of a gap formed between the two rotating rollers 33 is adjustable, so that different types of insulating film material strips 4 can pass through the gap formed between the two rotating rollers 33, the insulating film material strips 4 can be more stably attached to the rotating rollers 33, and the moving of the two rotating rollers 33 can stably drive the insulating film material strips 4 to move;
s3, driving the two threaded screws 31 to rotate simultaneously, wherein under the rotation action of the two threaded screws 31 and the limiting action of a connecting piece (not shown) on the movable support 32, the movable support 32 drives the two rotating rollers 33 and the insulating film material belt 4 passing through the gap to move from left to right or from right to left, so that the insulating film material belt 4 can be supplied to the lamination table 2 from left to right or from right to left;
s4, before the insulating film material belt 4 moves along with the two rotating rollers 33 from left to right, the left driving motor 7 drives the left conveying belt 10 to rotate, the conveying belt 10 drives the limiting block 11 on the conveying belt 10 to move, so that the limiting block 11 is propped against the left edge position of the insulating film material belt 4 until the insulating film material belt 4 moves from the left end to the right end, in the process, the left edge position of the insulating film material belt 4 cannot deviate under the propping action of the left limiting block 11, then the left driving motor 7 rotates reversely, so that the rotating shaft 8 rotates to drive the limiting block 11 to move away from the insulating film material belt 4, and the limiting action on the left edge position of the insulating film material belt 4 is finished in the process of moving the insulating film material belt 4 from left to right; before the insulating film material belt 4 moves from right to left along with the two rotating rollers 33, the right driving motor 7 drives the right conveying belt 10 to rotate, the conveying belt 10 drives the limiting block 11 on the conveying belt 10 to move, so that the limiting block 11 is propped against the right edge position of the insulating film material belt 4 until the insulating film material belt 4 moves from the right end to the left end, in the process, the right side of the insulating film material belt 4 cannot shift due to the propping action of the right limiting block 11, then the right driving motor 7 rotates reversely, so that the rotating shaft 8 rotates to drive the limiting block 11 to move away from the insulating film material belt 4, and the limiting action on the right edge position of the insulating film material belt 4 is finished in the right-to-left moving process of the insulating film material belt 4;
s5, after the insulating film material belt 4 moves from the left end to the right end or from the right end to the left end along with the two rotating rollers 33, the electromagnet 63 is powered, the electromagnet 63 is electrified to adsorb the iron block 64, the reset spring is compressed in the process, the electromagnet 63 is adsorbed to drive the movable rod 62 to rotate, and then the movable rods 62 rotate towards the lamination table 2, namely, lamination treatment is carried out on the laminated insulating film material belt 4 on the lamination table 2, lamination is carried out on the laminated insulating film material belt 4 each time, and the laminated insulating film material belt 4 has compact and attractive structure;
s6, after the plurality of movable rods 62 press the insulating film material belt 4, the electromagnet 63 is powered off, and under the elastic action of the reset spring, the movable rods 62 reset to the initial position, so that the next pressing process is facilitated;
s7, under the sequential actions that the translation assembly 3 supplies the insulating film material belt 4 to the lamination table 2, the limiting assembly 5 limits the edge of the insulating film material belt 4 on the lamination table 2 and the lamination assembly 6 performs lamination on the laminated insulating film material belt 4, the insulating film material belt 4 can be folded on the lamination table 2 in order, and the lamination process is completed.
The working principle of the invention is as follows: when lamination is required, the positive pole piece and the negative pole piece are respectively and alternately hot-pressed on the upper surface and the lower surface of the insulating film to form an insulating film material belt 4, then the insulating film material belt 4 is placed in a gap formed between two rotating rollers 33, then two threaded screw rods 31 are driven to rotate, under the limiting effect of a connecting piece (not shown in the figure), the rotation of the two threaded screw rods 31 can drive a movable bracket 32 to move left and right, namely the insulating film material belt 4 is driven to move left and right, and meanwhile, under the effect of a feeding assembly (not shown in the figure) and the left and right movement effect of the movable bracket 32, the insulating film material belt 4 performs lamination treatment on a lamination table 2; before each time of left-to-right or right-to-left movement, the corresponding driving motor 7 is started to drive the corresponding conveying belt 10 to rotate, the rotation of the conveying belt 10 drives the limiting block 11 on the conveying belt to move until the limiting block 11 carries out limiting and pressing on the corresponding edge position of the insulating film material belt 4, then the movable bracket 32 can drive the insulating film material belt 4 to move from left to right or from right to left, in the process, the position of the insulating film material belt 4 can be limited and fixed, the insulating film material belt 4 cannot shift in position, so that the lamination is accurate and the position is not shifted; meanwhile, after the movable support 32 drives the insulating film material belt 4 to move from left to right or from right to left, the limiting block 11 can be driven to be far away from the insulating film material belt, then the electromagnet 63 is electrified, the iron block 64 can be adsorbed under the magnetic action of the electromagnet 63, the reset spring can be compressed, the movable rod 62 can be close to the fixed block 61 to rotate, namely, the movable rods 62 can jointly rotate towards the lamination table 2, the insulating film material belt 4 on the lamination table 2 is subjected to lamination treatment, the lamination insulating film material belt 4 is guaranteed to be compact and attractive in structure, after lamination is completed, the electromagnet 63 is powered off, the movable rod 62 can be restored to the initial position under the elastic action of the reset spring, and next operation is facilitated. Through driving insulating film material area 4 from left to right or from right to left at movable support 32 in-process that removes, spacing subassembly 5 and pressfitting subassembly 6 cooperate in proper order for insulating film material area 4 compact structure after the lamination at every turn, the appearance is pleasing to the eye, and the border position is neat, accurate.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (8)
1. The lithium battery insulating film lamination device is characterized by comprising a bearing bracket (1), wherein the bearing bracket (1) is provided with a rectangular lamination table (2), a translation component (3) is arranged above the lamination table (2), and the translation component (3) is used for supplying an insulating film material belt (4) onto the lamination table (2); one of the two opposite sides of the lamination table (2) is provided with a limiting component (5), and the other two opposite sides are provided with a pressing component (6);
limiting component (5) are including driving motor (7) and two pivots (8), two pivot (8) are all rotated and are installed on bearing bracket (1) to two pivots (8) all are located the top position of lamination platform (2), and fixed cover is equipped with a plurality of belt pulley (9) in pivot (8), and the cover is equipped with conveyer (10) between corresponding belt pulley (9) in two pivots (8), and the outside fixed mounting of conveyer (10) has stopper (11), and driving motor (7) fixed mounting is on bearing bracket (1) to the output shaft of driving motor (7) and one of them pivot (8) fixed connection.
2. The lithium battery insulating film lamination device according to claim 1, wherein a rubber cushion (12) is fixedly arranged on the limiting block (11).
3. The lithium battery insulating film lamination device according to claim 2, wherein the lamination assembly (6) comprises a plurality of fixed blocks (61) and a plurality of movable rods (62), the plurality of fixed blocks (61) are fixedly mounted on the lamination table (2), the plurality of fixed blocks (61) are arranged along the length direction of one side of the lamination table (2), the plurality of movable rods (62) are arranged in one-to-one correspondence with the plurality of fixed blocks (61), and one ends of the plurality of movable rods (62) are respectively hinged to the corresponding fixed blocks (61).
4. A lithium battery insulating film lamination device according to claim 3, characterized in that the lamination assembly (6) further comprises a plurality of electromagnets (63), the electromagnets (63) are arranged in one-to-one correspondence with the fixed blocks (61), the electromagnets (63) are fixedly mounted on the tops of the corresponding fixed blocks (61), an iron block (64) is fixedly mounted on one side, close to the tops of the fixed blocks (61), of the movable rod (62), and a return spring fixedly connected with the lamination table (2) is arranged on the movable rod (62).
5. The lithium battery insulating film lamination device according to claim 4, wherein the translation assembly (3) comprises two threaded screw rods (31) and a movable support (32), the two threaded screw rods (31) are arranged in parallel and are located above the lamination table (2), two ends of the movable support (32) are respectively arranged on the two threaded screw rods (31) in a threaded manner, two rotating rollers (33) are rotatably arranged on the movable support (32), the two rotating rollers (33) are arranged in parallel, and a gap for the insulating film material belt (4) to pass through is reserved between the two rotating rollers (33).
6. The lithium battery insulating film lamination device according to claim 5, wherein one of the rotating rollers (33) is slidably mounted on the movable bracket (32) such that the size of a gap formed between the two rotating rollers (33) is adjustable.
7. The lithium battery insulating film lamination device according to claim 6, wherein a groove (13) is formed in the top of the lamination table (2).
8. The lamination method of a lithium battery insulating film lamination device according to claim 7, comprising the steps of:
s1, respectively hot-pressing an anode pole piece and a cathode pole piece on the upper surface and the lower surface of an insulating film at intervals to form an insulating film material belt (4);
s2, enabling the formed insulating film material belt (4) to pass through a gap formed between two rotating rollers (33) from top to bottom, and enabling the bottom end of the insulating film material belt to be placed in a groove (13) on the lamination table (2);
s3, driving the two threaded screws (31) to rotate simultaneously, wherein under the rotation action of the two threaded screws (31), the movable support (32) drives the two rotating rollers (33) and the insulating film material belt (4) passing through the gap to move from left to right or from right to left, so that the insulating film material belt (4) can be supplied to the lamination table (2) from left to right or from right to left;
s4, before the insulating film material belt (4) moves along with the two rotating rollers (33) from left to right, the driving motor (7) at the left side drives the conveying belt (10) at the left side to rotate, the conveying belt (10) drives the limiting block (11) on the conveying belt to move, so that the limiting block (11) is pressed against the left side edge position of the insulating film material belt (4) until the insulating film material belt (4) moves from the left end to the right end, and then the driving motor (7) at the left side reversely rotates, so that the limiting block (11) is far away from the insulating film material belt (4); before the insulating film material belt (4) moves along with the two rotating rollers (33) from right to left, the driving motor (7) on the right drives the conveyor belt (10) on the right to rotate, and the conveyor belt (10) drives the limiting block (11) on the conveyor belt to move, so that the limiting block (11) is propped against the right edge position of the insulating film material belt (4) until the insulating film material belt (4) moves from the right end to the left end, and then the driving motor (7) on the right reversely rotates, so that the limiting block (11) is far away from the insulating film material belt (4);
s5, after the insulating film material belt (4) moves from the left end to the right end or from the right end to the left end, supplying power to the electromagnet (63), wherein the electromagnet (63) is electrified to adsorb the iron block (64), and then the movable rods (62) can rotate towards the lamination table (2), namely, lamination treatment is carried out on the stacked insulating film material belt (4) on the lamination table (2);
s6, after the pressing is completed, the electromagnet (63) is powered off, and the movable rod (62) is reset to the initial position under the elastic action of the reset spring;
s7, under the sequential actions of the translation assembly (3), the limiting assembly (5) and the pressing assembly (6), the insulating film material belt (4) can be neatly folded on the lamination table (2), and lamination is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211369308.4A CN115642312B (en) | 2022-11-03 | 2022-11-03 | Lithium battery insulating film lamination device and lamination method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211369308.4A CN115642312B (en) | 2022-11-03 | 2022-11-03 | Lithium battery insulating film lamination device and lamination method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115642312A CN115642312A (en) | 2023-01-24 |
| CN115642312B true CN115642312B (en) | 2023-06-02 |
Family
ID=84947408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211369308.4A Active CN115642312B (en) | 2022-11-03 | 2022-11-03 | Lithium battery insulating film lamination device and lamination method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115642312B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03272917A (en) * | 1990-03-23 | 1991-12-04 | Hideo Morimoto | Product transfering device for automatic punching machine |
| CN110212236A (en) * | 2019-06-14 | 2019-09-06 | 惠州亿纬锂能股份有限公司 | A kind of lithium ion battery high speed laminating method, lamination device and lithium ion battery |
| CN209675436U (en) * | 2018-12-28 | 2019-11-22 | 深圳市微秒控制技术有限公司 | A kind of lithium battery insulating film lamination device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2932580A4 (en) * | 2012-12-17 | 2016-08-24 | Active Power Inc | Systems and methods for securing a rotor apparatus |
| JP6273239B2 (en) * | 2015-09-04 | 2018-01-31 | Ｊｆｅスチール株式会社 | Laminated core manufacturing apparatus and laminated core manufacturing method |
| JP2019199312A (en) * | 2018-05-14 | 2019-11-21 | 株式会社藤田製作所 | Stacker for corrugated board sheet |
| CN210092252U (en) * | 2019-06-14 | 2020-02-18 | 惠州亿纬锂能股份有限公司 | High-speed lamination device of lithium ion battery and lithium ion battery |
| CN110416592A (en) * | 2019-08-06 | 2019-11-05 | 深圳市格林晟科技有限公司 | A kind of bipack-film platform laminating equipment and its laminating method |
| CN216661754U (en) * | 2021-12-20 | 2022-06-03 | 河北中瓷电子科技股份有限公司 | Lamination device |
| CN114560335A (en) * | 2022-04-06 | 2022-05-31 | 唐山恒峰机械制造有限公司 | Electric auxiliary paper collecting device for automatic die-cutting machine |
| CN115101798A (en) * | 2022-07-13 | 2022-09-23 | 安徽智通新能源有限公司 | Intelligent multifunctional lithium battery lamination device |
-
2022
- 2022-11-03 CN CN202211369308.4A patent/CN115642312B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03272917A (en) * | 1990-03-23 | 1991-12-04 | Hideo Morimoto | Product transfering device for automatic punching machine |
| CN209675436U (en) * | 2018-12-28 | 2019-11-22 | 深圳市微秒控制技术有限公司 | A kind of lithium battery insulating film lamination device |
| CN110212236A (en) * | 2019-06-14 | 2019-09-06 | 惠州亿纬锂能股份有限公司 | A kind of lithium ion battery high speed laminating method, lamination device and lithium ion battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115642312A (en) | 2023-01-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106374144B (en) | Integrated cell lamination machine and cell lamination method | |
| WO2021129659A1 (en) | Lithium battery production process and equipment | |
| CN107331885B (en) | Battery cell processing equipment | |
| CN103066333B (en) | Monovolume barrier film N shape winder spooled laminations machine and laminating method | |
| CN109301350B (en) | Lithium battery lamination device | |
| CN110492047A (en) | A kind of bending glue plastering machine and production line for manufacturing battery | |
| CN201490021U (en) | Automatic rubber coating machine of capacitor | |
| CN110676516A (en) | Lithium battery lamination equipment | |
| CN110661023A (en) | Double-platform circulating sectional type turret lamination device and lamination process thereof | |
| CN210489766U (en) | Linear lifting alternate and alternate pressing type lamination platform | |
| CN103606709B (en) | Winding-type lithium battery polar group packaging device | |
| CN115642312B (en) | Lithium battery insulating film lamination device and lamination method | |
| CN114171804A (en) | Magnetic suspension type battery cell manufacturing production line and battery cell manufacturing process thereof | |
| CN210489747U (en) | Double-lamination-table lamination equipment | |
| CN210956866U (en) | Double-platform circulating sectional type turret lamination device | |
| CN210489768U (en) | Turret type automatic lamination production line | |
| CN110239912A (en) | A kind of high speed feeder for cell piece | |
| CN200941404Y (en) | Diaphragm folding means of lithium ion cell | |
| CN108909051A (en) | A kind of filter core welt equipment | |
| CN203283926U (en) | Membrane tension force adjusting device | |
| CN106785055B (en) | Rubber coating mechanism and rubber coating method | |
| CN212750947U (en) | Lamination device | |
| CN208867644U (en) | A kind of filter core welt equipment | |
| CN115911489A (en) | Z-shaped circulating film pressing and film pulling lamination machine and lamination process thereof | |
| CN112952206A (en) | Lamination lithium battery core and lamination equipment |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |