CN216648391U - Polymer lithium cell banding device and polymer lithium cell production line - Google Patents
Polymer lithium cell banding device and polymer lithium cell production line Download PDFInfo
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- CN216648391U CN216648391U CN202121997926.4U CN202121997926U CN216648391U CN 216648391 U CN216648391 U CN 216648391U CN 202121997926 U CN202121997926 U CN 202121997926U CN 216648391 U CN216648391 U CN 216648391U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- 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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Abstract
The application provides a polymer lithium cell banding device and polymer lithium cell production line, foretell polymer lithium cell banding device is including rotating blank holder subassembly, hot melt heat source subassembly and rotatory blank holder drive assembly, and wherein, the figure of rotating the blank holder subassembly is two. The hot melting heat source assembly is connected with at least one rotating pressing edge assembly. The power output end of the rotary blank pressing driving assembly is connected with the two rotary blank pressing assemblies respectively to drive the two rotary blank pressing assemblies to rotate, and the rotating directions of the two rotary blank pressing assemblies are opposite to each other, so that the adjacent side faces of the two rotary blank pressing assemblies are used for sealing edges of the polymer lithium battery. Two rotate blank pressing subassembly and can incessantly carry out the banding to the polymerization lithium cell, improved banding efficiency, and then improved the production efficiency of polymer lithium cell.
Description
Technical Field
The utility model relates to the technical field of polymer lithium battery production equipment, in particular to a polymer lithium battery edge sealing device and a polymer lithium battery production line.
Background
Aiming at the production of polymer lithium batteries, automatic equipment is generally adopted for processing and production. Wherein, adopt the banding device to carry out the banding to polymer lithium cell, current banding device includes the heating splint that two upper and lower correspondences set up.
And during edge sealing, placing the edge sealing position of the polymer lithium battery between the two heating clamping plates, then clamping the edge sealing position by the two clamping plates and keeping for 3-4 seconds to fuse the aluminum plastic film of the polymer lithium battery, then loosening the edge sealing position by the two flat plates to finish packaging the polymer lithium battery, and after the edge sealing position for gathering the next polymer lithium battery is placed between the two heating clamping plates, clamping the two heating clamping plates again and keeping for 3-4 seconds.
Like this, need press from both sides tightly, stop and loosen during the banding of banding device, and the tight of banding device press from both sides and loosen and all need consume certain time for the unable continuous banding of banding device, and then lead to banding device banding efficiency lower, be unfavorable for improving the production efficiency of polymer lithium cell.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides a polymer lithium battery edge sealing device and a polymer lithium battery production line.
The purpose of the utility model is realized by the following technical scheme:
an edge sealing device for a polymer lithium battery comprises:
two rotating blank pressing assemblies which are arranged at intervals;
the hot-melting heat source assembly is connected with at least one rotary blank holder assembly; and
the power output end of the rotary blank pressing driving assembly is respectively connected with the two rotary blank pressing assemblies, the rotary blank pressing driving assemblies are used for driving the two rotary blank pressing assemblies to rotate simultaneously, and the two rotary blank pressing assemblies rotate in opposite directions, so that the two adjacent side faces of the rotary blank pressing assemblies are used for carrying out edge sealing on the polymer lithium battery.
In one embodiment, the edge sealing device for the polymer lithium battery further comprises a soft extrusion edge sealing assembly, the soft extrusion edge sealing assembly is sleeved on at least one rotary edge sealing assembly, and the soft extrusion edge sealing assembly is used for extruding an aluminum plastic film of the polymer lithium battery.
In one embodiment, the soft extrusion edge sealing assembly includes a silicone layer, and the silicone layer is sleeved on the at least one rotary edge pressing assembly.
In one embodiment, the soft extrusion edge sealing assembly further comprises a hard shaping layer, the silica gel layer is sleeved on the outer side of the hard shaping layer, and the hard shaping layer is sleeved on at least one of the rotary edge sealing assemblies.
In one embodiment, each rotary edge pressing assembly is provided with an installation groove, and the hot melting heat source assembly is arranged in the installation groove.
In one embodiment, the mounting groove is a circular groove, and the hot melting heat source component is a circular resistor.
In one embodiment, the heat source component is a resistor.
In one embodiment, each of the rotary blank pressing assemblies comprises a blank pressing piece and a connecting piece, the blank pressing piece of each of the rotary blank pressing assemblies is provided with a relief groove, the connecting piece of each of the rotary blank pressing assemblies is arranged in the corresponding relief groove, and the connecting piece of each of the rotary blank pressing assemblies is connected with the corresponding blank pressing piece; and the power output end of the rotary blank pressing driving assembly is connected with the connecting piece of each rotary blank pressing assembly so as to drive the blank pressing piece of each rotary blank pressing assembly to rotate.
In one embodiment, the connecting member of each rotary hold-down assembly comprises a mounting portion and a plurality of connecting rods; the installation part of the connecting piece of each rotary blank pressing assembly and the corresponding connecting rods are arranged in the corresponding material reducing grooves, the connecting rods of the connecting piece of each rotary blank pressing assembly are arranged at intervals along the circumferential direction of the corresponding installation part, and two ends of each connecting rod of the connecting piece of each rotary blank pressing assembly are respectively connected with the corresponding installation part and the groove wall of the corresponding material reducing groove; and the power output end of the rotary blank pressing driving assembly is connected with the mounting part of the connecting piece of each rotary blank pressing assembly.
A polymer lithium battery production line comprises a feeding device and the polymer lithium battery edge sealing device in any one of the embodiments, wherein the polymer lithium battery edge sealing device is arranged at the output end of the feeding device.
Compared with the prior art, the utility model has at least the following advantages:
1. two rotate the blank pressing subassembly through rotating to polymer lithium cell banding, and two rotate the blank pressing subassembly and continuously rotate for two rotate the blank pressing subassembly and after accomplishing a polymer lithium cell banding, can be immediately to next polymer lithium cell banding, even make two rotate the blank pressing subassembly and can incessantly carry out the banding to the polymerization lithium cell, improved banding efficiency, and then improved the production efficiency of polymer lithium cell.
2. Because the rotating speed of rotating the blank pressing subassembly through adjusting two can adjust two and rotate the banding time of blank pressing subassembly to the plastic-aluminum membrane for polymer lithium cell banding device can carry out the banding to the polymer lithium cell of different models.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of an edge sealing device for a lithium polymer battery according to an embodiment.
Detailed Description
To facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, an edge banding apparatus 10 for a lithium polymer battery of an embodiment includes a rotary edge banding assembly 100, a hot-melt heat source assembly 300, and a rotary edge banding driving assembly, wherein the number of the rotary edge banding assemblies 100 is two. The hot melting heat source assembly 300 is connected with at least one rotary pressing edge assembly 100. The power output end of the rotary blank pressing driving assembly is respectively connected with the two rotary blank pressing assemblies 100, the rotary blank pressing driving assembly is used for driving the two rotary blank pressing assemblies 100 to rotate, and the rotating directions of the two rotary blank pressing assemblies 100 are opposite, so that the adjacent side faces of the two rotary blank pressing assemblies 100 are used for carrying out blank sealing on the polymer lithium battery.
In this embodiment, the two rotary binder assemblies 100 are spaced apart from each other, so that a gap exists between the outer side of one rotary binder assembly 100 and the outer side of the other rotary binder assembly 100, and the outer sides of the two rotary binder assemblies 100 are both edge-sealed working surfaces. The hot-melting heat source assembly 300 is used for generating heat, and the hot-melting heat source assembly 300 is connected with the at least one rotary blank holder assembly 100, so that the heat of the hot-melting heat source assembly 300 is transferred to the aluminum plastic film of the polymer lithium battery through the at least one rotary blank holder assembly 100, and the aluminum plastic film is fused, and thus the edge sealing of the polymer lithium battery is realized. The power output end of the rotary blank pressing driving assembly is respectively connected with the two rotary blank pressing assemblies 100, so that the two rotary blank pressing assemblies 100 are driven to rotate in opposite directions, the two rotary blank pressing assemblies 100 can roll the aluminum plastic film of the polymer lithium battery into and out of a gap between the two rotary blank pressing assemblies 100, and the two rotary blank pressing assemblies 100 press the aluminum plastic film. Moreover, the time from the rolling-in of the aluminum plastic film into the two rotary pressing assemblies 100 to the rolling-out of the two rotary pressing assemblies 100 is the pressing time of the aluminum plastic film, and the rolling-in and rolling-out speeds of the aluminum plastic film can be adjusted by adjusting the rotating speed of the two rotary pressing assemblies 100, so that the pressing time of the aluminum plastic film is adjusted.
Further, when the edge of the polymer lithium battery is sealed, firstly, the hot-melting heat source assembly 300 generates heat, so that the heat of the hot-melting heat source assembly 300 is transferred to the at least one rotating edge pressing assembly 100, and further, the at least one rotating edge pressing assembly 100 generates heat; then the rotary blank holder driving assembly drives the two rotary blank holder assemblies 100 to continuously rotate in opposite directions; then, one side of the aluminum plastic film of the polymer lithium battery is contacted with at least one rotating edge pressing assembly 100, so that the two rotating edge pressing assemblies 100 roll the aluminum plastic film into a gap between the two rotating edge pressing assemblies 100 through rotation, at the moment, the two rotating edge pressing assemblies 100 press the aluminum plastic film, and the heat of the rotating edge pressing assemblies 100 which generate heat heats the aluminum plastic film at the same time, so that the aluminum plastic film is fused; then the two rotary edge pressing assemblies 100 roll the aluminum-plastic film out of the gap between the two rotary edge pressing assemblies 100, so that edge sealing of the polymer lithium battery is realized; and then the next polymer lithium battery is processed.
Above-mentioned polymer lithium cell banding device 10, two rotate blank pressing subassembly 100 through rotating to the polymer lithium cell banding, and two rotate blank pressing subassembly 100 and continue to rotate, make two rotate blank pressing subassembly 100 after accomplishing a polymer lithium cell banding, can be immediately to next polymer lithium cell banding, even make two rotate blank pressing subassembly 100 can incessantly carry out the banding to the polymerization lithium cell, improved banding efficiency, and then improved the production efficiency of polymer lithium cell. In addition, by adjusting the rotating speed of the two rotary edge pressing assemblies 100, the edge sealing time of the two rotary edge pressing assemblies 100 on the aluminum-plastic film can be adjusted, so that the polymer lithium battery edge sealing device 10 can perform edge sealing on polymer lithium batteries of different models.
In one embodiment, the rotary binder driving assembly includes two rotary motors, and power output ends of the two rotary motors are respectively connected to the two rotary binder assemblies 100 to drive the two rotary binder assemblies 100 to rotate. In this embodiment, the power output of one of the rotating electrical machines is coupled to one of the rotary hold-down assemblies 100 to drive the corresponding rotary hold-down assembly 100 in a first direction. The power output end of the other rotating motor is connected with the other rotary binder assembly 100 to drive the corresponding rotary binder assembly 100 to rotate in the second direction. Wherein the first direction is opposite to the second direction. The two rotary pressing edge assemblies 100 are driven by the two rotary motors to rotate, so that the adjacent side surfaces of the two rotary pressing edge assemblies 100 are used for sealing the edges of the lithium polymer battery.
Of course, in another embodiment, the rotary binder driving assembly includes one driving motor and one reversing mechanism, and the power output end of the driving motor is directly connected to one of the rotary binder assemblies 100, so that the corresponding rotary binder assembly 100 rotates in the first direction. The driving motor is further connected to another rotary binder assembly 100 through a reversing mechanism, so that the corresponding rotary binder assembly 100 rotates in a second direction, and the first direction is opposite to the second direction. Like this, rotate blank holder subassembly 100 through a driving motor drive two and rotate toward opposite direction and rotate for polymer lithium cell edge sealing device 10's structure is compacter, also be convenient for simultaneously open and stop two and rotate blank holder subassembly 100, avoid one to rotate blank holder subassembly 100 and rotate, another rotates blank holder subassembly 100 and stops, thereby avoid rotating blank holder subassembly 100 in the rotation to drive the aluminium-plastic film and take place the friction with the rotation blank holder subassembly 100 that stops, and then avoid the problem of wearing and tearing to appear in the surface of aluminium-plastic film.
As shown in fig. 1, in one embodiment, the edge banding apparatus 10 for a lithium polymer battery further includes a soft extrusion edge banding assembly 500, wherein the soft extrusion edge banding assembly 500 is sleeved on at least one of the rotary edge banding assemblies 100，The soft extrusion edge sealing assembly 500 is used for extruding an aluminum plastic film of a polymer lithium battery. In this embodiment, the soft extrusion edge sealing assembly 500 is an elastic structure, and after the aluminum plastic film is rolled into the gap between the two rotating edge sealing assemblies 100, the soft extrusion edge sealing assembly 500 abuts against the aluminum plastic film and deforms, and the contact area between the deformed soft extrusion edge sealing assembly 500 and the aluminum plastic film is increased, so that the heat dissipation of the aluminum plastic film is reduced, and the fusion of the aluminum plastic film is accelerated.
Further, the soft extrusion edge sealing assembly 500 includes a silica gel layer, and the silica gel layer is sleeved on at least one of the rotary edge sealing assemblies 100. Soft extrusion banding subassembly 500 need be heated when carrying out the banding, in order to let soft extrusion banding subassembly 500 have higher life, in this implementation, soft extrusion banding subassembly 500 includes the silica gel layer, the silica gel layer cladding is in at least one outside of rotating blank holder subassembly 100, produce the deformation when silica gel layer and plastic-aluminum membrane butt, the area of contact increase of the silica gel layer after the deformation and plastic-aluminum membrane, can reduce the heat of plastic-aluminum membrane and scatter and disappear, and then accelerate fusing of plastic-aluminum membrane. Moreover, the thermal stability of the silica gel layer is good, and the silica gel layer has higher mechanical strength, which is beneficial to prolonging the service life of the soft extrusion edge sealing assembly 500.
Furthermore, the soft extrusion edge sealing assembly 500 further includes a hard shaping layer, the silica gel layer is sleeved on the outer side of the hard shaping layer, and the hard shaping layer is sleeved on at least one of the rotary edge sealing assemblies 100. Because the silica gel layer is of a soft structure, the shape of the silica gel layer is soft and collapsed, and before the silica gel layer is sleeved on the rotary edge pressing assembly 100, the shape of the silica gel layer needs to be corrected, so that the silica gel layer can be sleeved on the rotary edge pressing assembly 100, and inconvenience is brought to installation of the soft extrusion edge sealing assembly 500. In order to facilitate the installation of the soft extrusion edge sealing assembly 500, in this embodiment, the soft extrusion edge sealing assembly 500 further includes a hard shaping layer, the hard shaping layer is sleeved with the silica gel layer, and the hard shaping layer is sleeved with the at least one rotary edge sealing assembly 100, so that the silica gel layer does not collapse when the soft extrusion edge sealing assembly 500 is installed. When installing soft extrusion banding subassembly 500, directly locate rotation blank pressing subassembly 100 with stereoplasm design layer cover, saved the time of correcting the shape on silica gel layer, improved the installation effectiveness of soft extrusion banding subassembly 500.
In one embodiment, as shown in fig. 1, each of the rotary edge pressing assemblies 100 defines a mounting groove 110, and the heat-melting heat source assembly 300 is disposed in the mounting groove 110. In this embodiment, mounting groove 110 and hot melt heat source component 300 adaptation to make hot melt heat source component 300 install in mounting groove 110 firmly, and then make the heat of hot melt heat source component 300 can directly transmit to and rotate blank holder component 100, reduced the heat of hot melt heat source component 300 and lost, improved the heat transfer efficiency of hot melt heat source component 300, accelerated fusing of plastic-aluminum membrane, also reduced the production energy consumption of enterprise simultaneously.
Further, the mounting groove 110 is a circular groove, and the heat-fusible heat source element 300 is a circular resistor. In this embodiment, because mounting groove 110 and hot melt heat source component 300 are circular for hot melt heat source component 300 can be to rotating blank holder subassembly 100 uniform transfer heat, avoided rotating blank holder subassembly 100 and be heated the uneven problem that leads to warping uneven, and then avoided rotating blank holder subassembly 100 because of the problem of the uneven fracture of being heated.
As shown in fig. 1, in one embodiment, the hot-melting heat source assembly 300 is a resistor, the hot-melting heat source assembly 300 is electrically connected to the resistor, and after the hot-melting heat source assembly 300 is powered on, the hot-melting heat source assembly 300 generates heat, so that the aluminum plastic film has fused heat, and the edge sealing device 10 for a polymer lithium battery has an edge sealing condition for a polymer lithium battery. Meanwhile, the heat generation amount of the resistor can be adjusted by adjusting the resistance value of the resistor, so that the temperature of the hot-melt heat source component 300 can be adjusted according to aluminum plastic films of different models, and the adaptability of the polymer lithium battery edge sealing device 10 is improved.
As shown in fig. 1, in one embodiment, each of the rotary binder assemblies 100 includes a binder 110 and a connecting member 130, the binder 110 of each of the rotary binder assemblies 100 is provided with a relief groove 111, the connecting member 130 of each of the rotary binder assemblies 100 is disposed in the relief groove 111, and the connecting member 130 of each of the rotary binder assemblies 100 is connected to the corresponding binder 110. The power output end of the rotary binder driving assembly is connected to the connecting member 130 of each rotary binder assembly 100 to drive the rotation of the binder 110 of each rotary binder assembly 100. In this embodiment, the material reducing groove 111 is used for saving the material of the blank holder 110, and further saving the material of the rotary blank holder assembly 100, so as to reduce the weight of the rotary blank holder assembly 100, facilitate the transportation of the rotary blank holder assembly 100, and reduce the production cost of the rotary blank holder assembly 100. In addition, the connecting piece 130 is arranged in the material reducing groove 111 and connected with the edge pressing piece 110, so that the strength of the edge pressing piece 110 is improved, the problem of deformation of the edge pressing piece 110 is avoided, and the edge sealing operation of the edge pressing piece 110 is guaranteed.
Further, the connecting member 130 of each of the rotary blank holder assemblies 100 includes a mounting portion 131 and a plurality of connecting rods 133. Each the installation department 131 and a plurality of corresponding of connecting piece 130 of edge pressing subassembly 100 rotate the connecting rod 133 all set up in corresponding in the relief groove 111, each a plurality of connecting rods 133 of connecting piece 130 of edge pressing subassembly 100 rotate along corresponding the circumference interval of installation department 131 sets up, and each the both ends of each connecting rod 133 of connecting piece 130 of edge pressing subassembly 100 rotate respectively with corresponding installation department 131 and corresponding the cell wall of relief groove 111 is connected. The power output end of the rotary blank pressing driving assembly is connected with the mounting part 131 of the connecting piece 130 of each rotary blank pressing assembly 100. In this embodiment, the connecting rods 133 of the connecting member 130 of each of the rotary blank holder assemblies 100 are used to support the corresponding blank holder 110, so as to improve the strength of the corresponding blank holder 110, and since the connecting rods 133 of the connecting member 130 of each of the rotary blank holder assemblies 100 are arranged at intervals along the circumferential direction of the corresponding mounting portion 131, and both ends of each connecting rod 133 of the connecting member 130 of each of the rotary blank holder assemblies 100 are respectively connected to the corresponding mounting portion 131 and the groove wall of the corresponding material reducing groove 111, so that the supporting force applied to the corresponding blank holder 110 is uniformly distributed, and further the stress applied to the corresponding blank holder 110 is uniform, thereby avoiding the problem that the corresponding blank holder 110 cracks due to stress concentration, and further improving the service life of the corresponding blank holder 110.
The application still provides a polymer lithium cell production line, including material feeding unit and any one of the above-mentioned embodiments polymer lithium cell banding device 10, polymer lithium cell banding device 10 set up in material feeding unit's output. As shown in fig. 1, further, the edge banding device 10 for the lithium polymer battery comprises a rotary edge banding assembly 100, a hot-melt heat source assembly 300 and a rotary edge banding driving assembly, wherein the number of the rotary edge banding assemblies 100 is two. The hot-melting heat source assembly 300 is connected with at least one of the rotary pressing edge assemblies 100. The power output end of the rotary blank pressing driving assembly is respectively connected with the two rotary blank pressing assemblies 100 to drive the two rotary blank pressing assemblies 100 to rotate, and the rotating directions of the two rotary blank pressing assemblies 100 are opposite, so that the adjacent side faces of the two rotary blank pressing assemblies 100 are used for sealing edges of the polymer lithium battery.
In this embodiment, the two rotary binder assemblies 100 are spaced apart from each other, so that a gap exists between the outer side of one rotary binder assembly 100 and the outer side of the other rotary binder assembly 100, and the outer sides of the two rotary binder assemblies 100 are both edge-sealed working surfaces. The hot-melting heat source component 300 is used for generating heat, and the hot-melting heat source component 300 is connected with the at least one rotary blank holder component 100, so that the heat of the hot-melting heat source component 300 is transferred to the aluminum plastic film of the polymer lithium battery through the at least one rotary blank holder component 100, the aluminum plastic film is fused, and the edge sealing of the polymer lithium battery is realized. The power output end of the rotary blank pressing driving assembly is respectively connected with the two rotary blank pressing assemblies 100, so that the two rotary blank pressing assemblies 100 are driven to rotate in opposite directions, the two rotary blank pressing assemblies 100 can roll the aluminum plastic film of the polymer lithium battery into and out of a gap between the two rotary blank pressing assemblies 100, and the two rotary blank pressing assemblies 100 press the aluminum plastic film. Moreover, the time from the rolling-in of the aluminum plastic film into the two rotary pressing assemblies 100 to the rolling-out of the two rotary pressing assemblies 100 is the pressing time of the aluminum plastic film, and the rolling-in and rolling-out speeds of the aluminum plastic film can be adjusted by adjusting the rotating speed of the two rotary pressing assemblies 100, so that the pressing time of the aluminum plastic film is adjusted.
Further, when the edge of the polymer lithium battery is sealed, firstly, the hot-melting heat source assembly 300 generates heat, so that the heat of the hot-melting heat source assembly 300 is transferred to the at least one rotary edge pressing assembly 100, and further, the at least one rotary edge pressing assembly 100 generates heat; then the rotary blank holder driving assembly drives the two rotary blank holder assemblies 100 to continuously rotate in opposite directions; then, one side of the aluminum plastic film of the polymer lithium battery is contacted with at least one rotating edge pressing assembly 100, so that the two rotating edge pressing assemblies 100 roll the aluminum plastic film into a gap between the two rotating edge pressing assemblies 100 through rotation, at the moment, the two rotating edge pressing assemblies 100 press the aluminum plastic film, and simultaneously, the heat of the rotating edge pressing assemblies 100 which generate heat heats the aluminum plastic film, so that the aluminum plastic film is fused; then the two rotary edge pressing assemblies 100 roll the aluminum-plastic film out of the gap between the two rotary edge pressing assemblies 100, so that edge sealing of the polymer lithium battery is realized; and then the next polymer lithium battery is processed.
Compared with the prior art, the utility model has at least the following advantages:
1. two rotate blank pressing subassembly 100 and continue to rotate through rotating to polymer lithium cell banding, and two rotate blank pressing subassembly 100 for two rotate blank pressing subassembly 100 and after accomplishing a polymer lithium cell banding, can be immediately to next polymer lithium cell banding, even make two rotate blank pressing subassembly 100 and can incessantly carry out the banding to the polymerization lithium cell, improved banding efficiency, and then improved the production efficiency of polymer lithium cell.
2. Because the rotating speed of the two rotary edge pressing assemblies 100 is adjusted, the edge sealing time of the two rotary edge pressing assemblies 100 on the aluminum-plastic film can be adjusted, so that the polymer lithium battery edge sealing device 10 can be used for sealing edges of polymer lithium batteries of different models.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A polymer lithium battery edge sealing device is characterized by comprising:
two rotating blank pressing assemblies which are arranged at intervals;
the hot-melting heat source assembly is connected with at least one rotary blank holder assembly; and
the power output end of the rotary blank pressing driving assembly is respectively connected with the two rotary blank pressing assemblies, the rotary blank pressing driving assemblies are used for driving the two rotary blank pressing assemblies to rotate simultaneously, and the two rotary blank pressing assemblies rotate in opposite directions, so that the two adjacent side faces of the rotary blank pressing assemblies are used for sealing the edges of the polymer lithium battery.
2. The edge sealing device for the polymer lithium battery according to claim 1, further comprising a soft extrusion edge sealing assembly, wherein the soft extrusion edge sealing assembly is sleeved on at least one of the rotary edge sealing assemblies, and is used for extruding an aluminum plastic film of the polymer lithium battery.
3. The edge sealing device for the polymer lithium battery as claimed in claim 2, wherein the soft extrusion edge sealing assembly comprises a silica gel layer, and the silica gel layer is sleeved on at least one of the rotary edge sealing assemblies.
4. The edge sealing device for the polymer lithium battery as claimed in claim 3, wherein the soft extrusion edge sealing assembly further comprises a hard sizing layer, the silica gel layer is sleeved on the outer side of the hard sizing layer, and the hard sizing layer is sleeved on at least one of the rotary edge sealing assemblies.
5. The edge banding device for the polymer lithium battery as claimed in claim 1, wherein each of the rotary edge banding assemblies is provided with a mounting groove, and the hot melting heat source assembly is disposed in the mounting groove.
6. The edge banding device for a lithium polymer battery as claimed in claim 5, wherein said mounting groove is a circular groove and said heat-fusible heat source element is a circular resistor.
7. The edge banding device of claim 1 wherein said hot melt heat source component is an electrical resistor.
8. The edge banding device for the polymer lithium battery as claimed in claim 1, wherein each of the rotary edge banding assemblies comprises an edge banding member and a connecting member, the edge banding member of each of the rotary edge banding assemblies is provided with a relief groove, the connecting member of each of the rotary edge banding assemblies is arranged in the corresponding relief groove, and the connecting member of each of the rotary edge banding assemblies is connected with the corresponding edge banding member; and the power output end of the rotary blank pressing driving assembly is connected with the connecting piece of each rotary blank pressing assembly so as to drive the blank pressing piece of each rotary blank pressing assembly to rotate.
9. The edge banding device for lithium polymer batteries of claim 8, wherein the connecting member of each of said rotary edge banding assemblies comprises a mounting portion and a plurality of connecting rods; the installation part of the connecting piece of each rotary blank pressing assembly and the corresponding connecting rods are arranged in the corresponding material reducing grooves, the connecting rods of the connecting piece of each rotary blank pressing assembly are arranged at intervals along the circumferential direction of the corresponding installation part, and two ends of each connecting rod of the connecting piece of each rotary blank pressing assembly are respectively connected with the corresponding installation part and the groove wall of the corresponding material reducing groove; and the power output end of the rotary blank pressing driving assembly is connected with the mounting part of the connecting piece of each rotary blank pressing assembly.
10. A production line of polymer lithium batteries is characterized by comprising a feeding device and the edge sealing device of any one of claims 1 to 9, wherein the edge sealing device is arranged at the output end of the feeding device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202121997926.4U CN216648391U (en) | 2021-08-23 | 2021-08-23 | Polymer lithium cell banding device and polymer lithium cell production line |
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| CN202121997926.4U CN216648391U (en) | 2021-08-23 | 2021-08-23 | Polymer lithium cell banding device and polymer lithium cell production line |
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