CN115020820A - Film pasting device and method for lithium battery production - Google Patents
Film pasting device and method for lithium battery production Download PDFInfo
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- CN115020820A CN115020820A CN202210952079.2A CN202210952079A CN115020820A CN 115020820 A CN115020820 A CN 115020820A CN 202210952079 A CN202210952079 A CN 202210952079A CN 115020820 A CN115020820 A CN 115020820A
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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
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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
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling 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
- 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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- Chemical & Material Sciences (AREA)
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- Secondary Cells (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention discloses a film pasting device for lithium battery production and a method thereof, wherein the device comprises: a body unit comprising: the device comprises a bottom plate, a mounting seat symmetrically arranged on the bottom plate, a first servo motor arranged on the mounting seat, and bearing seats symmetrically arranged in the middle of the bottom plate, wherein a screw rod is rotatably connected between the bearing seats and is driven by the first servo motor; a battery pinch unit comprising: the screw rod seat is in threaded fit with the screw rod, the portal frame is arranged on the screw rod seat, and the rotating shaft is arranged on the portal frame. According to the invention, the edge closing roller is attached to the battery panel when the battery panel is horizontally clamped and moved, and when the battery panel moves to the tail section, the edge closing roller rotates along with the anticlockwise rotation of the sliding frame to quickly close the edge of the film so as to enable the film to be closely attached to the battery panel, and the end-to-end connection of the film is completed.
Description
Technical Field
The invention relates to the technical field of power battery manufacturing, in particular to a film pasting device for lithium battery production and a method thereof.
Background
The lithium battery is a battery which uses lithium metal or lithium alloy as a positive electrode material and a negative electrode material and uses a non-aqueous electrolyte solution, and the lithium metal has very high requirements on the environment due to the very active chemical characteristics of the lithium metal, so that the lithium metal can be processed, stored and used.
In the production process of the lithium battery, the surface of the lithium battery is subjected to film pasting so as to enhance the insulativity and the safety of the battery, but the existing film pasting device needs to turn over the battery when pasting the film, so that bubbles are easily generated when pasting the film, and even the film body is inclined, so that the film cannot be aligned with the battery when subsequently trimming.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The invention is provided in view of the problems of the prior film sticking device and method for producing the lithium battery.
In order to solve the technical problems, the invention provides the following technical scheme:
a pad pasting device for lithium cell production includes:
a body unit comprising: the device comprises a bottom plate, a mounting seat symmetrically arranged on the bottom plate, a first servo motor arranged on the mounting seat, and bearing seats symmetrically arranged in the middle of the bottom plate, wherein a screw rod is rotatably connected between the bearing seats and is driven by the first servo motor;
a battery pinch unit comprising: the screw rod seat is in threaded fit with the screw rod, the portal frame is arranged on the screw rod seat, and the rotating shaft is arranged on the portal frame;
a battery film unit comprising: the solar cell panel film sticking device comprises a passageway arranged on a bottom plate, a wind-up roll rotatably arranged on the passageway, a guide roll rotatably arranged on the passageway, and two extending compression rolls rotatably arranged on the passageway, wherein when a cell panel is pasted with a film, the two extending compression rolls penetrate through the passageway, an edge-closing component is further arranged on the passageway, and a third servo motor used for driving the edge-closing component to rotate is arranged on the outer wall of the passageway.
As a preferable scheme of the film sticking device for producing the lithium battery, the film sticking device comprises: the main part unit still includes the jacking cylinder, also be provided with the centre gripping subassembly on the output of jacking cylinder, the centre gripping subassembly includes: the limiting frame, the clamping plates symmetrically and slidably arranged in the limiting frame and the electromagnets arranged in the clamping plates;
the upper end of the clamping plate is fixedly connected with a plurality of first springs at equal intervals, and the upper ends of the first springs are fixedly connected to the inner wall of the limiting frame.
As a preferable scheme of the film sticking device for producing the lithium battery, the film sticking device comprises: the gantry is internally and symmetrically connected with rectangular blocks in a sliding mode, the rotating shaft is connected to the rectangular blocks in a rotating mode, an open slot is formed in one side of the gantry, and a second servo motor used for driving the rotating shaft to rotate is arranged on the side edge of the rectangular block penetrating through the open slot.
As a preferable scheme of the film sticking device for producing the lithium battery, the film sticking device comprises: the upper side of the portal frame is fixedly connected with a first telescopic cylinder, and the telescopic end of the first telescopic cylinder penetrates through the portal frame and is fixedly connected with the upper side face of the rectangular block.
As a preferable scheme of the film sticking device for producing the lithium battery, the film sticking device comprises: the battery placing groove is formed in the upper side of the screw rod seat, and when the connecting shaft faces downwards vertically, the clamping plates on the two sides are aligned with the battery placing groove and used for clamping the battery plate which is upright.
As a preferable scheme of the film sticking device for producing the lithium battery, the film sticking device comprises: the edge folding assembly comprises two sliding frames which are symmetrically and rotatably arranged on the passageway, wherein one sliding frame is fixedly matched with the output end of the third servo motor, a sliding block is arranged in the sliding frames in a sliding manner, and an edge folding roller is rotatably connected to the sliding block;
the upper side of the sliding block is fixedly connected with a second spring, the lower side of the sliding block is fixedly connected with a third spring, and one end, far away from the sliding block, of the second spring and the third spring is fixedly connected to the inner wall of the sliding frame.
As a preferable scheme of the film sticking device for producing the lithium battery, the film sticking device comprises: the battery film sticking unit further comprises a die-cutting rule arranged on the inner side of the passageway, strip-shaped grooves are symmetrically formed in the two sides of the passageway, the end portion of the die-cutting rule penetrates through the strip-shaped grooves and is fixedly connected with a limiting block, and a third telescopic cylinder used for driving the limiting block to move in a reciprocating mode is arranged on the outer side of the passageway.
The film pasting method of the film pasting device for lithium battery production comprises the following steps:
the method comprises the following steps: a clamping assembly close to one side of the die-cutting rule grabs the battery panel to be subjected to film pasting to keep the battery panel in a horizontal state and align to the middle position of two extension rollers, at the moment, a first servo motor on one side is started to enable the portal frame to move, and the clamping assembly clamps the battery panel to start film pasting;
step two: when the battery panel passes through the two extending pressing rollers, the two extending pressing rollers start to roll and attach the film contacted with the battery panel until the battery panel moves to the tail end, the clamping assembly on the other side starts to clamp, and the clamping assembly with the feeding end kept in a clamping state is loosened and reset;
step three: the third telescopic cylinder drives the limiting block to slide, the die-cutting rule cuts off the film, then the first servo motor on the other side is started, the clamping assembly on the discharging end is made to continue clamping the battery panel to move until the edge rolling roller is located at the tail end of the battery panel, and at the moment, the third servo motor is started to roll the film body;
step four: after the edge is received, the clamping assembly is clamped and conveyed to a specified place along with the movement of the first telescopic cylinder to discharge materials.
As a preferable scheme of the film pasting method for lithium battery production, the method comprises the following steps: the specific edge closing method in the third step process comprises the following steps: the third servo motor drives the sliding frame to rotate, the sliding block slides in the sliding frame, the edge rolling roller is firstly attached to the upper surface of the battery panel to roll until the edge rolling roller is pressed against the corner of the battery panel, and the edge rolling roller resets and moves under the elastic action of the second spring and the third spring, so that the edge of the film is pressed on the battery panel, and edge rolling work is achieved.
As a preferable scheme of the film pasting method for lithium battery production, the method comprises the following steps: before the next cell panel film pasting action is carried out, the jacking air cylinder can drive the clamping assembly at the end part to move upwards until the clamping assembly is controlled to clamp the edge of the film body cut off after the previous cell panel film pasting is finished, then the jacking air cylinder moves downwards to pull down the film, and the preparation work before the film pasting is finished;
the clamping method of the clamping assembly comprises the following steps: direct current through controlling two electro-magnets circular telegrams for the electro-magnet opposite face magnetism is opposite, and then adsorbs each other, controls two splint promptly and is close to and realizes the centre gripping action.
The invention has the beneficial effects that:
1. the panel is extending from two and is passing when carrying out the pad pasting between the compression roller, prolongs the compression roller and roll-in to it all the time to guarantee the inseparable shape of pad pasting, avoid the bubble, and whole process only needs the centre gripping subassembly of both sides to mutually support and send work, need not to carry out the turn-over of panel, very big assurance the regularity of pad pasting.
2. When the battery panel is horizontally clamped and moved, the edge-closing roller is attached to the battery panel, when the battery panel moves to the tail section, the edge-closing roller follows the anticlockwise rotation of the sliding frame to quickly close the edge of the film, so that the film is tightly attached to the battery panel, and the end-to-end connection of the film is completed.
3. The panel can all correspond immediately before the pad pasting and put in the battery standing groove to the work of putting of grabbing of the centre gripping subassembly of being convenient for, thereby make things convenient for the last unloading work of staff.
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 description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Wherein:
FIG. 1 is a schematic view of the overall structure of the feed end side of a film sticking device for producing a lithium battery, which is provided by the invention;
FIG. 2 is a schematic view of the overall structure of the discharge end side of a film sticking device for producing a lithium battery, which is provided by the invention;
fig. 3 is a schematic structural diagram of a film sticking device for lithium battery production in a passageway according to the present invention;
fig. 4 is a schematic structural diagram of a battery clamping and conveying unit in a film sticking device for lithium battery production according to the present invention;
FIG. 5 is a schematic structural diagram of a clamping and conveying assembly in a film sticking device for lithium battery production according to the present invention;
fig. 6 is a schematic structural diagram of an edge folding assembly in a film sticking device for lithium battery production according to the present invention;
fig. 7 is a schematic structural diagram of a state change of an edge folding assembly when the edge of the film sticking device for lithium battery production provided by the invention is folded;
fig. 8 is a schematic flow chart of a film pasting method for lithium battery production according to the present invention.
In the figure: 100-main body unit, 101-bottom plate, 102-first servo motor, 103-screw rod, 104-bearing seat, 105-jacking cylinder, 200-battery clamping and conveying unit, 201-portal frame, 202-first telescopic cylinder, 203-second servo motor, 204-rectangular block, 205-rotating shaft, 206-connecting shaft, 207-clamping component, 207 a-limiting frame, 207 b-first spring, 207 c-clamping plate, 207 d-electromagnet, 208-screw rod seat, 209-battery placing groove, 300-battery film pasting unit, 301-passing channel, 301 a-strip groove, 302-die cutter, 303-limiting block, 304-third telescopic cylinder, 305-third servo motor, 306-winding roller, 307-guide roller, 308-extending roller, 309-edge-closing assembly, 309 a-sliding frame, 309 b-sliding block, 309 c-second spring, 309 d-third spring and 309 e-edge-closing roller.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying figures of the present invention are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Furthermore, the present invention is described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, the cross-sectional view illustrating the structure of the device is not enlarged partially according to the general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Example 1
Referring to fig. 1 to 8, in an embodiment of the present invention, a film pasting device for lithium battery production and a method thereof are provided, the device including: a main body unit 100, a battery pinch unit 200, and a battery film attaching unit 300.
Wherein the main body unit 100 includes: the device comprises a bottom plate 101, mounting seats symmetrically arranged on the bottom plate 101, a first servo motor 102 arranged on the mounting seats, and bearing seats 104 symmetrically arranged in the middle of the bottom plate 101, wherein a screw rod 103 is rotatably connected between the bearing seats 104 and the mounting seats, and the screw rod 103 is driven by the first servo motor 102;
the battery pinch unit 200 includes: a screw rod seat 208 in threaded fit with the screw rod 103, a portal frame 201 arranged on the screw rod seat 208, and a rotating shaft 205 arranged on the portal frame 201, wherein the portal frame 201 is internally and symmetrically connected with rectangular blocks 204 in a sliding way, the rotating shaft 205 is rotationally connected on the rectangular blocks 204, one side of the portal frame 201 is provided with an open slot, and the rectangular block 204 is provided with a second servo motor 203 for driving the rotating shaft 205 to rotate by penetrating through the side edge of the open slot, the upper side of the portal frame 201 is fixedly connected with a first telescopic cylinder 202, the telescopic end of the first telescopic cylinder 202 penetrates through the portal frame 201 and is fixedly connected with the upper side surface of the rectangular block 204, used for controlling the lifting operation of the rotating shaft 205, the rotating shaft 205 is fixedly connected with a connecting shaft 206, one end of the connecting shaft 206 far away from the rotating shaft 205 is provided with a clamping component 207, the clamping height of the clamping assembly 207 is further controlled by controlling the height of the rectangular block 204, so that the battery panel receiving and discharging materials can be conveniently unfolded;
in addition, a battery placing groove 209 is formed in the upper side of the lead screw base 208, and when the connecting shaft 206 is vertically downward, the two side clamping plates 207c are aligned with the battery placing groove 209 for clamping the battery plate which is already erected. The battery plate can be correspondingly vertically placed in the battery placing groove 209 before and after the film sticking, so that the grabbing and placing work of the clamping assembly 207 is facilitated.
Specifically, the method comprises the following steps: the main body unit 100 further comprises a jacking cylinder 105, and a clamping assembly 207 is also arranged on the output end of the jacking cylinder 105.
The clamping assembly 207 includes: spacing frame 207a, the symmetry slides and sets up splint 207c in spacing frame 207a, and set up the electro-magnet 207d in splint 207c, a plurality of first springs 207b of equidistant fixedly connected with in splint 207 c's upper end, a plurality of first spring 207 b's upper end fixed connection is on spacing frame 207 a's inner wall, three centre gripping subassembly 207's division of labor is different, it is used for the panel pay-off to be located a left centre gripping subassembly 207 of picture, the receipts material when centre gripping subassembly 207 on right side is used for panel pad pasting tail section, and the centre gripping subassembly 207 that is located on jacking cylinder 105 then is used for deciding the back pad pasting and draws down the assigned position again the centre gripping.
The battery film unit 300 includes: the solar cell panel film sticking device comprises a passageway 301 arranged on a bottom plate 101, a winding roller 306 rotatably arranged on the passageway 301, a guide roller 307 rotatably arranged on the passageway 301, and two extending pressure rollers 308 rotatably arranged on the passageway 301, wherein when a cell panel is stuck, the cell panel film passes through the two extending pressure rollers 308, an edge folding assembly 309 is further arranged on the passageway 301, and a third servo motor 305 used for driving the edge folding assembly 309 to rotate is arranged on the outer wall of the passageway 301.
The edge-closing assembly 309 comprises two sliding frames 309a symmetrically and rotatably arranged on the passageway 301, one sliding frame 309a on one side is fixedly matched with the output end of the third servo motor 305, a sliding block 309b is arranged in the sliding frame 309a in a sliding mode, an edge-closing roller 309e is connected to the sliding block 309b in a rotating mode, a second spring 309c is fixedly connected to the upper side of the sliding block 309b, a third spring 309d is fixedly connected to the lower side of the sliding block 309b, one end, far away from the sliding block 309b, of the second spring 309c and one end, far away from the sliding block 309d, of the third spring are fixedly connected to the inner wall of the sliding frame 309a, when the solar panel is horizontally clamped and moved, the edge-closing roller 309e is attached to the solar panel, and when the solar panel moves to the tail section, the edge-closing roller 309e rotates anticlockwise along with the sliding frame 309a to close to the edge of the solar panel.
The battery film sticking unit 300 further comprises a die-cutting knife 302 arranged on the inner side of the passageway 301, strip-shaped grooves 301a are symmetrically formed in two sides of the passageway 301, the end portion of the die-cutting knife 302 penetrates through the strip-shaped grooves 301a and is fixedly connected with a limiting block 303, a third telescopic cylinder 304 used for driving the limiting block 303 to move in a reciprocating mode is arranged on the outer side of the passageway 301, and the die-cutting knife 302 is controlled to cut off the film body through the third telescopic cylinder 304.
The film pasting method using the film pasting device for lithium battery production comprises the following steps:
the method comprises the following steps: the clamping component 207 close to one side of the die-cutting rule 302 grabs the battery panel to be filmed, keeps the battery panel in a horizontal state and aligns with the middle position of the two extension rollers 308, at the moment, the first servo motor 102 on one side is started, so that the portal frame 201 moves, and the clamping component 207 clamps the battery panel to start the filming work;
step two: when the battery panel passes through the two extending pressing rollers 308, the two extending pressing rollers 308 start to roll and attach the film contacted with the battery panel until the battery panel moves to the tail end, the clamping assembly 207 on the other side starts to clamp, and the clamping assembly 207 with the feed end in a clamping state is loosened and reset;
step three: the third telescopic cylinder 304 drives the limiting block 303 to slide, the die-cutting rule 302 cuts off the film, then the first servo motor 102 on the other side is started, the clamping assembly 207 on the discharging end is enabled to continuously clamp the battery panel to move until the edge receiving roller 309e is located at the tail end of the battery panel, and at the moment, the third servo motor 305 is started to carry out edge receiving work on the film body;
step four: after the edge is received, the clamping assembly 207 clamps the workpiece to a designated place along with the movement of the first telescopic cylinder 202 to discharge the workpiece.
In order to better understand the working process of the present invention, some steps are explained, first, the specific edge closing method in the step three process is: the third servo motor 305 drives the sliding frame 309a to rotate, the sliding block 309b slides in the sliding frame 309a, the edge rolling roller 309e firstly adheres to the upper surface of the battery plate to roll until the edge rolling roller 309e presses the corner of the battery plate, and is reset and moved by the elastic action of the second spring 309c and the third spring 309d, thereby the edge of the sticking film is pressed on the battery plate to realize the edge folding work, in addition, it needs to be noticed that, before the next cell panel film pasting action is carried out, the jacking air cylinder 105 drives the clamping component 207 at the end part to move upwards until the clamping component 207 is controlled to clamp the edge of the film body cut off after the previous cell panel film pasting is finished, then moves downwards, pulls the film down to finish the preparation work before the film is pasted, after the battery panel is contacted with the film, the clamping component 207 of the jacking cylinder 105 releases the clamping state, and the clamping method of the clamping component 207 is as follows: by controlling the direct current of the two electromagnets 207d, the opposite surfaces of the electromagnets 207d are opposite in magnetism, and are further attracted to each other, that is, the two clamping plates 207c are controlled to approach each other to realize the clamping action.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a pad pasting device for lithium cell production which characterized in that includes:
a body unit (100) comprising: the device comprises a bottom plate (101), mounting seats symmetrically arranged on the bottom plate (101), a first servo motor (102) arranged on the mounting seats, and bearing seats (104) symmetrically arranged in the middle of the bottom plate (101), wherein a screw rod (103) is rotatably connected between the bearing seats (104) and the mounting seats, and the screw rod (103) is driven by the first servo motor (102);
a battery pinch unit (200) comprising: the screw rod seat (208) is in threaded fit with the screw rod (103), the portal frame (201) is arranged on the screw rod seat (208), the rotating shaft (205) is arranged on the portal frame (201), the rotating shaft (205) is fixedly connected with a connecting shaft (206), and one end, far away from the rotating shaft (205), of the connecting shaft (206) is provided with a clamping assembly (207);
a battery film attachment unit (300) comprising: the solar cell panel laminating machine is characterized by comprising a passageway (301) arranged on a bottom plate (101), a winding roller (306) rotatably arranged on the passageway (301), a guide roller (307) rotatably arranged on the passageway (301), and two extending pressing rollers (308) rotatably arranged on the passageway (301), wherein when a cell panel is laminated, the two extending pressing rollers (308) penetrate through the passageway (301), an edge collecting assembly (309) is further arranged on the passageway (301), and a third servo motor (305) used for driving the edge collecting assembly (309) to rotate is arranged on the outer wall of the passageway (301).
2. The film sticking device for producing the lithium battery as claimed in claim 1, wherein: main part unit (100) still includes jacking cylinder (105), also be provided with clamping component (207) on the output of jacking cylinder (105), clamping component (207) include: the device comprises a limiting frame (207 a), clamping plates (207 c) symmetrically arranged in the limiting frame (207 a) in a sliding mode, and electromagnets (207 d) arranged in the clamping plates (207 c);
the upper end of the clamping plate (207 c) is fixedly connected with a plurality of first springs (207 b) at equal intervals, and the upper ends of the first springs (207 b) are fixedly connected to the inner wall of the limiting frame (207 a).
3. The film sticking device for lithium battery production as claimed in claim 2, wherein: the gantry crane is characterized in that rectangular blocks (204) are symmetrically and slidably connected in the gantry crane (201), the rotating shaft (205) is rotatably connected to the rectangular blocks (204), an open slot is formed in one side of the gantry crane (201), and a second servo motor (203) used for driving the rotating shaft (205) to rotate is arranged on the side edge of the rectangular block (204) penetrating through the open slot.
4. The film sticking device for lithium battery production as claimed in claim 3, wherein: the upper side of the portal frame (201) is fixedly connected with a first telescopic cylinder (202), and the telescopic end of the first telescopic cylinder (202) penetrates through the portal frame (201) and is fixedly connected with the upper side face of the rectangular block (204).
5. The film sticking device for lithium battery production as claimed in claim 4, wherein: the battery placing groove (209) is opened on the upper side of the screw rod seat (208), and when the connecting shaft (206) is vertically downward, the clamping plates (207 c) on the two sides are aligned with the battery placing groove (209) and used for clamping the battery plate which is erected.
6. The film sticking device for producing the lithium battery as claimed in claim 1, wherein: the edge folding assembly (309) comprises two sliding frames (309 a) which are symmetrically and rotatably arranged on the passageway (301), the output end of one sliding frame (309 a) is fixedly matched with the output end of the third servo motor (305), a sliding block (309 b) is arranged in the sliding frame (309 a) in a sliding mode, and an edge folding roller (309 e) is rotatably connected to the sliding block (309 b);
the upper side of the sliding block (309 b) is fixedly connected with a second spring (309 c), the lower side of the sliding block (309 b) is fixedly connected with a third spring (309 d), and one ends, far away from the sliding block (309 b), of the second spring (309 c) and the third spring (309 d) are fixedly connected to the inner wall of the sliding frame (309 a).
7. The film sticking device for producing the lithium battery as claimed in claim 1, wherein: the battery film sticking unit (300) further comprises a die-cutting knife (302) arranged on the inner side of the passageway (301), strip-shaped grooves (301 a) are symmetrically formed in two sides of the passageway (301), the end portion of the die-cutting knife (302) penetrates through the strip-shaped grooves (301 a) and is fixedly connected with a limiting block (303), and a third telescopic cylinder (304) used for driving the limiting block (303) to move in a reciprocating mode is arranged on the outer side of the passageway (301).
8. The film laminating method of the film laminating apparatus for lithium battery production according to any one of claims 1 to 7, wherein: the method comprises the following steps:
the method comprises the following steps: the clamping assembly (207) close to one side of the die-cutting knife (302) grabs the battery panel to be subjected to film pasting, keeps the battery panel in a horizontal state and is aligned with the middle position of the two extension pressing rollers (308), at the moment, the first servo motor (102) on one side is started to enable the portal frame (201) to move, and the clamping assembly (207) clamps the battery panel to start film pasting;
step two: when the battery panel passes through the two extending pressing rollers (308), the two extending pressing rollers (308) start to roll and attach the film contacted with the battery panel until the battery panel moves to the tail end, the clamping assembly (207) on the other side starts to clamp, and the clamping assembly (207) with the feeding end in a clamping state is loosened and reset;
step three: the third telescopic cylinder (304) drives the limiting block (303) to slide, the die-cutting knife (302) cuts off the film, then the first servo motor (102) on the other side is started, the clamping assembly (207) on the discharging end is made to continue clamping the battery panel to move until the edge receiving roller (309 e) is located at the tail end position of the battery panel, and at the moment, the third servo motor (305) is started to carry out edge receiving work on the film body;
step four: after the edge is received, the clamping assembly (207) is clamped to a designated place to discharge along with the movement of the first telescopic air cylinder (202).
9. The method for pasting a lithium battery production film according to claim 8, characterized in that: the specific edge closing method in the third step process comprises the following steps: third servo motor (305) drive smooth frame (309 a) and rotate, slider (309 b) slide in smooth frame (309 a), receive limit roller (309 e) and laminate the upper surface of panel at first and carry out the roll extrusion, until receiving limit roller (309 e) and press the corner of panel, and reset movement under the elastic action of second spring (309 c), third spring (309 d), thereby with the border pressfitting of pad pasting on the panel, realize receiving the limit work.
10. The method for pasting a lithium battery production film according to claim 8, characterized in that: before the next cell panel film pasting action is carried out, the jacking air cylinder (105) can drive the clamping assembly (207) at the end part to move upwards until the clamping assembly (207) is controlled to clamp the edge of the film body cut off after the previous cell panel film pasting is finished, then the film body moves downwards, the film pasting is pulled downwards, and the preparation work before the film pasting is finished is completed;
the clamping method of the clamping assembly (207) comprises the following steps: through controlling the direct current of the two electromagnets (207 d), the opposite surfaces of the electromagnets (207 d) are opposite in magnetism, and then are mutually adsorbed, namely the two clamping plates (207 c) are controlled to be close to each other to realize the clamping action.
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| JP2002151156A (en) * | 2000-11-13 | 2002-05-24 | Toshiba Battery Co Ltd | Method of manufacturing lithium secondary battery |
| CN207993988U (en) * | 2018-02-07 | 2018-10-19 | 深圳市沃能新能源有限公司 | Lithium battery electric core automatic film-laminating device |
| CN110137558A (en) * | 2019-05-22 | 2019-08-16 | 广东东博自动化设备有限公司 | A kind of battery film laminator |
| CN111682266A (en) * | 2020-06-29 | 2020-09-18 | 苏州鑫嘉晟科技有限公司 | Automatic pad pasting device of lithium cell |
| CN113264409A (en) * | 2021-07-20 | 2021-08-17 | 深圳市誉辰自动化设备有限公司 | Film pasting equipment |
| CN114162657A (en) * | 2022-02-11 | 2022-03-11 | 深圳市兴禾自动化股份有限公司 | Battery envelope, folding and pasting production line and envelope, folding and pasting process thereof |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002151156A (en) * | 2000-11-13 | 2002-05-24 | Toshiba Battery Co Ltd | Method of manufacturing lithium secondary battery |
| CN207993988U (en) * | 2018-02-07 | 2018-10-19 | 深圳市沃能新能源有限公司 | Lithium battery electric core automatic film-laminating device |
| CN110137558A (en) * | 2019-05-22 | 2019-08-16 | 广东东博自动化设备有限公司 | A kind of battery film laminator |
| CN111682266A (en) * | 2020-06-29 | 2020-09-18 | 苏州鑫嘉晟科技有限公司 | Automatic pad pasting device of lithium cell |
| CN113264409A (en) * | 2021-07-20 | 2021-08-17 | 深圳市誉辰自动化设备有限公司 | Film pasting equipment |
| CN114162657A (en) * | 2022-02-11 | 2022-03-11 | 深圳市兴禾自动化股份有限公司 | Battery envelope, folding and pasting production line and envelope, folding and pasting process thereof |
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| CN115020820B (en) | 2022-10-21 |
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