CN111769317A - Ear folding and buckling type integrated machine - Google Patents
Ear folding and buckling type integrated machine Download PDFInfo
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- CN111769317A CN111769317A CN202010513753.8A CN202010513753A CN111769317A CN 111769317 A CN111769317 A CN 111769317A CN 202010513753 A CN202010513753 A CN 202010513753A CN 111769317 A CN111769317 A CN 111769317A
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- pole piece
- ear
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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
- H01M10/0409—Machines for assembling batteries for cells with wound electrodes
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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
Abstract
The invention discloses a lug folding and buckling type all-in-one machine which comprises a rack, wherein a feeding device, a lug folding device, a rubberizing device, a conveying device and a winding device are sequentially arranged on the rack along the processing sequence of pole pieces, the winding device is positioned in the middle of the rack, and the conveying device, the rubberizing device, the lug folding device and the feeding device are symmetrically arranged on two sides of the winding device; the ear folding device is positioned at the lower part of the discharge port of the feeding device, and the rubberizing device is erected on a channel of the discharge port of the ear folding device. The pole pieces are fed into the ear folding devices from two sides of the rack through the symmetrically arranged feeding devices, the ear folding devices bend the pole pieces to form pole pieces and integrated electrode structures of the pole pieces, the electrode structures are connected with the pole pieces to be bent and the electrode structures to form an integrated structure through the film pasting devices, then the electrode structures are conveyed integrally through the conveying device, and the winding operation of the pole pieces and the integrated electrode structures of the pole pieces and the pole lugs and the winding operation of the battery cells are achieved by feeding the electrode structures into the winding device.
Description
Technical Field
The invention relates to the technical field of battery production, in particular to a folding lug buckle type all-in-one machine.
Background
In the production process of the battery, the pole piece and the pole lug are required to be connected into an integrated structure, then the pole piece and the pole lug are connected into an integrated electrode structure, and then the electrode structure and the battery core are connected into an integrated structure. The pole piece and the utmost point ear of lithium cell among the prior art are two spare parts that independently exist, and in the lithium cell production process, adopt ultrasonic welding or laser welding will cut the utmost point ear welding on the pole piece usually to connect formula structure as an organic whole with pole piece and utmost point ear, and make and realize the electricity between the two and connect.
However, the prior art machining process has some problems: firstly, burrs are easily left between the cut electrode lugs and the pole pieces, so that when the electrode lugs are fixed on the pole pieces, the burrs easily pierce through the diaphragm, the positive pole piece and the negative pole piece of the lithium battery cell are in short circuit, and the lithium battery is in short circuit; when the situation of desoldering occurs between the pole lug and the pole piece, the rolled lithium battery cell cannot be normally used; so that the yield of the battery in the production and manufacturing process is low. Moreover, in the production process of the lithium battery cell, besides the pole piece material roll, an electrode lug material roll needs to be additionally configured for matching processing, so that production materials are increased, and the production cost is improved.
Disclosure of Invention
In view of the above, the object of the present invention is: the utility model provides a reliable and stable have a book ear, rubberizing, coiling integral structure book ear knot formula all-in-one.
In order to achieve one or part or all of the purposes or other purposes, the invention provides a folding-lug buckling type all-in-one machine which comprises a rack, wherein a feeding device, a folding-lug device, a gluing device, a conveying device and a winding device are sequentially arranged on the rack along the processing sequence of pole pieces, the winding device is positioned in the middle of the rack, and the conveying device, the gluing device, the folding-lug device and the feeding device are symmetrically arranged on two sides of the winding device;
the ear folding device is positioned at the lower part of the discharge port of the feeding device, and the rubberizing device is erected on a channel of the discharge port of the ear folding device and is used for connecting an electrode structure formed by bending the ear folding device and a pole piece to be bent so as to integrally convey the pole piece;
the conveying device is used for conveying the pole pieces passing through the ear folding device and supplying the pole pieces to the winding device;
the winding device is used for winding the electrode structure and the battery cell into an integrated structure.
Optionally, the feeding device includes a pole piece material roll, a cleaning assembly, a first detection assembly and a labeling mechanism, the pole piece material roll supplies pole pieces for the cleaning assembly, the cleaning assembly is used for cleaning the front and back sides of the pole piece, the first detection assembly is used for detecting the quality of the pole piece, and the labeling mechanism is used for correspondingly marking the detection result of the first detection assembly on the pole piece.
Optionally, the first detection assembly is a CCD detection assembly, and the CCD detection assembly is disposed along the conveying path of the pole piece, is located on the front side and the back side of the pole piece, and is configured to detect the front side quality and the back side quality of the pole piece, and send a detection result to the labeling mechanism to trigger the labeling mechanism to perform labeling operation.
Optionally, the feeding device further comprises a deviation rectifying assembly, and the deviation rectifying assembly is used for adjusting a conveying path of the pole piece so as to ensure the reliability of the pole piece in the conveying process.
Optionally, roll over ear device and include that first book ear subassembly, second book ear subassembly and leveling mechanism, first book ear subassembly with the second is rolled over ear subassembly and is relative setting, through first book ear subassembly with the relative motion of ear subassembly in horizontal direction and vertical direction is rolled over to the second, makes and is located first book ear subassembly with pole piece between the ear subassembly can be buckled and set for the angle to form the electrode structure of pole piece and utmost point ear integral type to the pole piece.
Optionally, the first tab assembly includes a first vertical movement mechanism and a first horizontal movement mechanism, and the first horizontal movement mechanism is connected to the first vertical movement mechanism, so that the first tab assembly located on the first horizontal movement mechanism moves in the directions of the X axis and the Z axis in the three-dimensional space.
Optionally, still include first pressure utmost point piece group, second pressure utmost point piece group and shearing assembly, first pressure utmost point piece group sets up the pole piece input of ear device is rolled over, second pressure utmost point piece group sets up the pole piece output of pole piece device, cutting device sets up first pressure utmost point piece group with between the first ear device of rolling over.
Optionally, the rubberizing device is arranged on the front side and the back side of the pole piece, so that the front side and the back side of the pole piece and the electrode structure are connected into an integral structure.
Optionally, the conveying device includes a third pole piece pressing group, a second detection assembly and a fourth pole piece pressing group, the fourth pole piece pressing group and the third pole piece pressing group jointly drive the pole pieces to move to the next station, and the second detection assembly is used for detecting the connection quality between the electrode structure and the pole pieces connected through the rubberizing device.
Optionally, the membrane conveying assembly is further included, and the winding device comprises a winding assembly and a cell detection assembly; the diaphragm conveying assembly is located at the upper portion and the bottom of the winding assembly, the winding assembly drives the diaphragm to wind the electrode structure, the battery cell and the diaphragm into an integrated structure, and the battery cell detection assembly is used for detecting the connection quality of the wound electrode structure and the battery cell.
The implementation of the invention has the following beneficial effects:
through set up loading attachment in coiling mechanism bilateral symmetry, roll over the ear device, the rubberizing device, conveyer and coiling mechanism, the loading attachment that sets up through the symmetry sends the pole piece into the ear device from the frame both sides, roll over the ear device with the pole piece bending type pole piece and the electrode structure of utmost point ear integral type, rethread pad pasting device with electrode structure and the pole piece of waiting to bend, electrode structure connects formula structure as an organic whole, later carry out integrative transport with electrode structure through conveyer again, send into the electrode structure that coiling mechanism realized pole piece and utmost point ear integral type, the operation of being connected of electric core.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of one embodiment of a fold-tab buckle all-in-one machine of the present invention;
FIG. 2 is a schematic view of one embodiment of an electrode structure of the present invention;
FIG. 3 is a schematic view of one embodiment of a cleaning assembly of the loading device;
FIG. 4 is a schematic view of an embodiment of a first detecting assembly of the feeding device according to the present invention;
FIG. 5 is a schematic view of an embodiment of a deviation rectifying assembly in the feeding device according to the present invention;
FIG. 6 is a schematic view of one embodiment of a lug folding device, a glue applicator and a conveyor of the present invention;
FIG. 7 is an enlarged view taken at A in FIG. 6;
FIG. 8 is a schematic view of the taping device of FIG. 6;
FIG. 9 is a schematic view of the ear folding device and the conveying device shown in FIG. 6;
FIG. 10 is an enlarged view of the portion B of FIG. 9;
FIG. 11 is a bottom view of the conveyor of FIG. 9;
FIG. 12 is a schematic view of a transfer device and a winding device;
FIG. 13 is an enlarged view at C of FIG. 12;
FIG. 14 is a schematic view of one embodiment of a winding apparatus;
FIG. 15 is an enlarged view at D of FIG. 14;
fig. 16 is a schematic view of the core assembly of fig. 12.
In the figure: 001-pole piece; 002-pole ear; 003-electrode structure; 100-a frame; 200-a feeding device; 210-pole piece rolls; 220-a cleaning assembly; 221-cleaning the press roller; 222-a cleaning brush; 223-a fixed seat; 230-a first detection component; 231-first acquisition camera; 232-a first light source; 233-bar light source; 234-a shutter plate; 235-a regulating component; 240-labeling mechanism; 250-a deviation rectifying component; 251-a press roll; 252-passing through a roller; 253-deviation-rectifying mounting seats; 254-positioning grooves; 300-ear folding device; 310-a first tab assembly; 311-a first vertical movement mechanism; 312 — a first horizontal movement mechanism; 320-a second ear-folding assembly; 321-a second vertical movement mechanism; 322-a second horizontal movement mechanism; 330-leveling mechanism; 340-a cutting assembly; 350-a first presser bar assembly; 360-a second pole piece pressing assembly; 400-a rubberizing device; 410-rubberizing components; 420-lower adhesive component; 421-group of adhesive tape disks; 422-passing a rubber wheel group; 423-glue feeding assembly; 424-a robot arm; 500-a transfer device; 510-a third pole piece pressing assembly; 520-a second detection component; 530-a fourth pole piece assembly; 540-a first reject bin; 600-a winding device; 610-winding the power assembly; 620-a winding head assembly; 621-needle winding shaft; 630-a winding member; 700-membrane sheet transport assembly; 710-an upper membrane sheet transport assembly; 720-lower membrane sheet transport assembly; 800-cell detection assembly; 810-a take-off jaw; 820-short detection clip; 830-X direction moving assembly; 840-Y direction moving assembly; 850-a rotary power element; 860-a second reject bin; 870-good products box.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that if directional indications (such as according to the upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship, movement, etc. of the components in a specific posture (according to the figure), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Fig. 1 is a schematic diagram of an embodiment of a tab folding type all-in-one machine of the present invention, fig. 2 is a schematic diagram of an embodiment of an electrode structure of the present invention, referring to fig. 1 and fig. 2, the tab folding type all-in-one machine includes a frame 100, a feeding device 200, a tab folding device 300, a glue pasting device 400, a conveying device 500, and a winding device 600 are arranged on the frame 100 in sequence along a processing process of a pole piece 001, the winding device 600 is located in the middle of the frame 100, the conveying device 500, the glue pasting device 400, the tab folding device 300, and the feeding device 200 are symmetrically arranged on both sides of the winding device 600, the tab folding device 300 is located at the lower part of a discharge port of the feeding device 200, and the glue pasting device 400 is erected on a channel of the discharge port of the tab folding device 300 for connecting an electrode structure 003 formed by bending the tab folding device 300 and the pole piece 001 to be. The conveying device 500 is used for conveying the pole piece 001 passing through the ear folding device 300 and supplying the pole piece 001 to the winding device 600; the winding device 600 is used for winding the electrode structure 003 and the battery cell into an integrated structure. Compared with the existing electrode structure in which the electrode 001 and the tab 002 which are independent of each other are welded into an integrated structure, the electrode structure 003 has good integration and structural reliability, does not generate burrs, can ensure the reliability of the diaphragm in working between the positive electrode piece and the negative electrode piece, and solves the problem that the diaphragm is pierced by the burrs in a welding connection mode. More, in electric core production process, need not dispose utmost point ear 002 material and roll up, can obviously simplify production facility structure in industrial production process, reduce the material kind, reduce the circulation link, improve electrode structure 003's production efficiency.
Fig. 3 is a schematic diagram of an embodiment of a cleaning assembly in the feeding device of the present invention, referring to fig. 3, the feeding device 200 includes a pole piece roll 210, a cleaning assembly 220, a first detecting assembly 230 and a labeling mechanism 240, the pole piece roll 210 supplies a pole piece 001 to the cleaning assembly 220, the cleaning assembly 220 is used for cleaning the front and back sides of the pole piece 001, the first detecting assembly 230 is used for detecting the quality of the pole piece 001, and the labeling mechanism 240 is used for correspondingly marking the detection result of the first detecting assembly 230 on the pole piece 001. Specifically, cleaning assembly 220 is the brush paper tinsel machine, cleaning assembly 220 is including cleaning compression roller 221, cleaning brush 222 and clean fixing base 223, cleaning compression roller 221 is relative the setting on clean fixing base 223 with cleaning brush 222, fixing base 223 and frame 100 fastening connection, cleaning brush 222 is the power roller, in the course of the work, pole piece 001 passes from between cleaning compression roller 221 and the cleaning brush 222, clean the operation through cleaning brush 222 to pole piece 001, cleaning compression roller 221 is used for compressing tightly pole piece 001, guarantee pole piece 001 and the laminating of cleaning brush 222, thereby guarantee pole piece 001 the cleanliness factor after cleaning assembly 220. Cleaning assembly 220 is the relative setting in the both sides of pole piece 001 transport route, carries out cleaning operation to the front and the reverse side of pole piece 001 for pole piece 001 satisfies the cleanliness factor requirement of electric core coiling production. The first detecting assembly 230 is a visual detecting mechanism, and the camera collects the surface characteristics of the pole piece 001, determines whether the pole piece 001 has a defect, and then transmits the detection result to the labeling mechanism 240, and the labeling mechanism 240 marks the detection result of the first detecting assembly 230 on the corresponding pole piece 001, so as to facilitate the processing operation of the subsequent process.
Preferably, loading attachment 200 still includes the subassembly 250 of rectifying, and the subassembly 250 of rectifying is used for adjusting the delivery route of pole piece 001 to ensure that pole piece 001 carries according to setting for the route between loading attachment 200 and ear device 300, be favorable to improving the reliability and the stability of ear knot formula all-in-one work.
Fig. 4 is a schematic diagram of an embodiment of a first detection assembly in the feeding device of the present invention, referring to fig. 4, the first detection assembly 230 includes a first collecting camera 231, a first light source 232, a strip light source 233, a light shielding plate 234 and an adjustment assembly 235, the first collecting camera 231 is connected to the adjustment assembly 235, the adjustment assembly 235 is fastened to the frame 100, the first light source 232 is located at a working end of the first collecting camera 231 and connected to the adjustment assembly 235, the strip light source 233 is connected to the frame 100 or connected to the adjustment assembly 235, the light shielding plate 234 is located in an irradiation area of the strip light source 233 and the first light source 232, and the pole piece 001 is located in an irradiation area of the strip light source 233 and the first light source 232 on the light shielding plate 234, so as to ensure accuracy of characteristics of the pole piece 001 collected by the first detection assembly 230.
Fig. 5 is a schematic diagram of an embodiment of a deviation rectifying assembly in the feeding device of the present invention, referring to fig. 5, the deviation rectifying assembly 250 includes a pressing roller 251, a passing roller 252 and a deviation rectifying mounting seat 253, the deviation rectifying mounting seat 253 is fastened to the frame 100, the pressing roller 251 is disposed in the middle of the deviation rectifying mounting seat 253, the passing roller 252 is disposed on both sides of the pressing roller 251, and the bottom surface of the pressing roller 251 is lower than the top surface of the passing roller 252, so that a pole piece 001 passing through the deviation rectifying assembly 250 can be pressed, positioning grooves 254 are disposed in the middle of the pressing roller 251 and the passing roller 252, the positioning grooves 254 are used for rectifying the pole piece 001 passing through the deviation rectifying assembly 250, and it is ensured that the pole.
Fig. 6 is a schematic diagram of an embodiment of the ear folding device, the adhesive tape sticking device and the conveying device of the present invention, referring to fig. 6, a pole piece 001 conveyed by a feeding device 200 is conveyed into the ear folding device 300 to be bent to form an electrode structure 003 with an integrated pole piece 001 and pole tab 002, and the electrode structure 003 and the pole piece 001 are connected into an integrated structure by an adhesive tape sticking device 400. As can be seen from fig. 5, the rubberizing device 400 is erected on the conveying device 500, and the conveying channel of the pole piece 001 passes through the rubberizing device 400, and the rubberizing device 400 is arranged in an up-and-down symmetrical manner, so that the rubberizing device 400 can delay the time setting for rubberizing connection operation on the front side and the back side of the pole piece 001 at the same time or in front and back.
The ear folding device 300, the adhesive tape sticking device 400 and the conveying device 500 are symmetrically arranged, so that double-path ear folding operation of the pole piece 001, electrode structure 003 conveying operation and winding operation of the pole piece 001 and a battery cell can be realized, and compared with single-path ear folding operation of the pole piece 001 and electrode structure 003 conveying operation, the technical scheme of the invention can obviously improve the working efficiency and the finished product quality of the ear folding and buckling type all-in-one machine compared with the conventional electrode structure 003 for connecting the pole ear 002 by welding. Further, the productivity of the folding-lug buckling type all-in-one machine is improved.
Fig. 7 is an enlarged view of a position in fig. 6, refer to fig. 7, ear folding device 300 includes first ear folding component 310, second ear folding component 320, leveling mechanism 330, cutting component 340, first pole piece component 350, second pole piece component 360, first ear folding component 310 and second ear folding component 320 are relative settings, through the relative motion of first ear folding component 310 in horizontal direction and vertical direction, make pole piece 001 that is located between first ear folding component 310 and the second ear folding component 320 can buckle the set angle and form utmost point ear 002, preferably buckle 90 °, rethread leveling mechanism 330 carries out secondary flattening, weaken or avoid the scope that utmost point ear 002 kick-backs, thereby form the electrode structure 003 of pole piece 001 and utmost point ear 002 integral type. After the pole piece 001 enters the ear folding device 300 from the feeding device 200, the pole piece 001 is clamped to move to the next station through the combined action of the first pole piece pressing assembly 350 and the second pole piece pressing assembly 360. Specifically, pole piece 001 gets into first tab subassembly 310 and second tab subassembly 320 after, pole piece 001 is pressed to first pressure pole piece subassembly 350 and second and pole piece subassembly 360 presss from both sides tight pole piece 001, cutting assembly 340 that is located between first pressure pole piece subassembly 350 and the first tab subassembly 310 cuts off pole piece 001, later first tab subassembly 310 supports with the top of pole piece 001 and holds, second tab subassembly 320 follows the bottom upward movement of pole piece, make the one end perk that pole piece 001 was decided buckle, later second tab subassembly 320 again to the direction motion that is close to first tab subassembly 310, thereby buckle 90 formation utmost point ear 002 with the one end that pole piece 001 was decided, and then form the electrode structure 003 of pole piece 001 and utmost point ear 002 integral type.
More specifically, the first ear folding assembly 310 includes a first vertical movement mechanism 311 and a first horizontal movement mechanism 312, and the first horizontal movement mechanism 312 is connected to the first vertical movement mechanism 311, so that the first ear folding assembly 310 located on the first horizontal movement mechanism 312 moves in the directions of the X axis and the Z axis in the three-dimensional space. The second ear folding assembly 320 comprises a second vertical movement mechanism 321 and a second horizontal movement mechanism 322, and the second horizontal movement mechanism 322 is connected to the second vertical movement mechanism 321, so that the second ear folding assembly 320 located on the second horizontal movement mechanism 322 moves in the directions of the X axis and the Z axis in the three-dimensional space, and the first ear folding assembly 310 and the second ear folding assembly 320 can move relatively to each other, thereby realizing the bending operation of the pole piece 001.
Fig. 8 is a schematic diagram of the pasting device in fig. 6, and referring to fig. 8, after the electrode structure 003 is fed into the pasting position through the second pole piece pressing assembly 360, the pasting device 400 connects the film to the front and back of the electrode structure 003. Specifically, the rubberizing device 400 includes a rubberizing component 410 and a lower rubberizing component 420, the rubberizing component 410 and the lower rubberizing component 420 are disposed opposite to each other, and have the same structure, and only have a difference in the rubberizing direction. Only the structure of the lower adhesive assembly 420 will be described herein. Lower rubberizing subassembly 420 includes adhesive tape disk group 421, passes through adhesive tape wheel group 422, send gluey subassembly 423 and manipulator 424, and the sticky tape is carried to passing through adhesive tape wheel group 422 from adhesive tape disk group 421, and rethread send gluey subassembly 423 to cut the sticky tape into setting for length, and later the pneumatic suction cup of manipulator 424 tip removes the sticky tape to the rubberizing position, carries out the rubberizing operation to pole piece 001. The rubberizing position can be located one end of second pressure pole piece subassembly 360, also can select to set up according to the position of actual pole piece 001 motion.
Fig. 9 is a schematic diagram of the ear folding device and the conveying device in fig. 6, fig. 10 is an enlarged view of a position B in fig. 9, fig. 11 is a bottom view of the conveying device in fig. 9, referring to fig. 9 to fig. 11, an electrode structure 003 formed by bending the ear folding device 300 enters the conveying device 500, the conveying device 500 includes a third pole piece pressing assembly 510, a second detection assembly 520 and a fourth pole piece pressing assembly 530, the fourth pole piece pressing assembly 530 and the third pole piece pressing assembly 510 cooperate to drive a pole piece 001 to move to a next station, the second detection assembly 520 is used for detecting the connection quality between the electrode structure 003 and the pole piece 001 connected by the adhesive device 400 to prevent the bad electrode structure 003 from flowing into the winding device 600, thereby ensuring that the electrode structure 003 wound at the winding device 600 is a good product, further enabling the ear folding button all-in-time response when a failure occurs, and further, the working stability of the folding-lug buckling type all-in-one machine is guaranteed. When the second inspection module 520 detects a defective product, the defective electrode structure 003 is rejected to the first reject box 540. Furthermore, the third pressure pole piece assembly 510 and the fourth pressure pole piece assembly 530 can be pneumatic clamping jaws driven by air cylinders, and are convenient to use and maintain. The second detection component 520 is a CCD detection component, surface features of the electrode structure 003 are collected through a camera and set features are compared to screen good products and defective products, and the second detection component 520 is arranged on the front side and the back side of the pole piece 001, so that the connection quality of the front side and the back side of the pole piece 001 is guaranteed.
Fig. 12 is a schematic diagram of a conveying device and a winding device, fig. 13 is an enlarged view of C in fig. 12, referring to fig. 12 and 13, the conveying device 500 is disposed on both sides of the winding device 600, the conveying device 500 provides an electrode structure 003 for the winding device 600, a diaphragm conveying assembly 700 is further disposed on both sides of the conveying device 500, the diaphragm conveying assembly 700 includes an upper diaphragm conveying assembly 710 and a lower diaphragm conveying assembly 720, the upper diaphragm conveying assembly 710 and the lower diaphragm conveying assembly 720 provide diaphragms required for winding for the winding device 600, wherein the electrode structure 003 may include a positive plate and a negative plate, after the diaphragms conveyed by the electrode structure 003, the upper diaphragm conveying assembly 710 and the lower diaphragm conveying assembly 720 on both sides of the winding device 600 enter the winding device 600, the cell, the positive plate, the negative plate and the diaphragm are wound into an integrated structure by the winding action of the winding device 600, therefore, in the production process of the battery, the pole piece 001 and the electrode structure 003 of the pole lug 002 are integrally formed by bending and molding the pole piece 001, and the battery core, the diaphragm, the positive plate and the negative plate are wound into an integrated structure through the winding device 600, the upper diaphragm conveying assembly 710 and the lower diaphragm conveying assembly 720.
Fig. 14 is a schematic diagram of an embodiment of a winding device, fig. 15 is an enlarged view of D in fig. 14, and referring to fig. 14 and fig. 15, a winding device 600 includes a winding power assembly 610, a winding head assembly 620 and a winding part 630, the winding power assembly 610 drives the winding head assembly 620 to rotate, the winding head assembly 620 includes two sets of opposite winding needle shafts 621, and the winding operation of the cell, the electrode structure 003 and the membrane is completed by the cooperation of the two sets of winding needle shafts 621 and the winding part 630.
Fig. 16 is a schematic diagram of an embodiment of the battery cell module in fig. 12, referring to fig. 16, the battery cell inspection assembly 800 includes a material taking clamping jaw 810, a short circuit inspection clamp 820, an X-direction moving assembly 830, a Y-direction moving assembly 840, a rotary power member 850, and a second reject box 860, the material taking clamping jaw 810 is connected to the rotary power member 850, and the rotary power member 850 is connected to the Y-direction moving assembly 840 to drive the material taking clamping jaw 810 to move and rotate along the Y direction. The short detection clamp 820 is located at the lower part of the material taking clamping jaw 810 and is used for detecting the quality of the wound battery cell. After the taking-out clamping jaw 810 takes out the wound battery cell from the winding device 600, the battery cell is placed on the two short-circuit detection clamps 820, and if the detection result is poor, the taking-out clamping jaw 810 takes the battery cell off the short-circuit detection clamps 820 and puts the battery cell into the second waste box 860. If the detection result is qualified, the battery cell is placed into the good product box 870, and the good product box 870 can be conveyed to the next station through the conveying belt.
According to the invention, the winding device is arranged in the middle of the rack, the conveying device, the gluing device, the lug folding device and the feeding device which are symmetrically distributed are arranged on two sides of the winding device, so that a double-path pole piece lug folding operation is formed, and meanwhile, the pole pieces are supplied to the winding device through the double paths.
The technical features of the embodiments described above can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
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 invention. 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. The ear folding and buckling type all-in-one machine is characterized by comprising a rack, wherein a feeding device, an ear folding device, a rubberizing device, a conveying device and a winding device are sequentially arranged on the rack along the processing sequence of pole pieces, the winding device is positioned in the middle of the rack, and the conveying device, the rubberizing device, the ear folding device and the feeding device are symmetrically arranged on two sides of the winding device;
the ear folding device is positioned at the lower part of the discharge port of the feeding device, and the rubberizing device is erected on a channel of the discharge port of the ear folding device and is used for connecting an electrode structure formed by bending the ear folding device and a pole piece to be bent so as to integrally convey the pole piece;
the conveying device is used for conveying the pole pieces passing through the ear folding device and supplying the pole pieces to the winding device;
the winding device is used for winding the electrode structure and the battery cell into an integrated structure.
2. A folding-ear-buckling type all-in-one machine according to claim 1, wherein the feeding device comprises a pole piece material roll, a cleaning component, a first detection component and a labeling mechanism, the pole piece material roll supplies pole pieces for the cleaning component, the cleaning component is used for cleaning the front and back sides of the pole pieces, the first detection component is used for detecting the quality of the pole pieces, and the labeling mechanism is used for correspondingly marking the detection result of the first detection component on the pole pieces.
3. A folding ear and buckling type all-in-one machine according to claim 2, wherein the first detection assembly is a CCD detection assembly which is arranged along the conveying path of the pole piece and is positioned on the front and back sides of the pole piece for detecting the front quality and the back quality of the pole piece and sending the detection result to a labeling mechanism to trigger the labeling mechanism to perform labeling operation.
4. The fold-ear-buckle all-in-one machine according to claim 2, wherein the feeding device further comprises a deviation rectifying assembly, and the deviation rectifying assembly is used for adjusting the conveying path of the pole piece so as to ensure the reliability of the pole piece in the conveying process.
5. A folding-ear buckling type integrated machine according to claim 1 is characterized in that the folding-ear device comprises a first folding-ear assembly, a second folding-ear assembly and a leveling mechanism, the first folding-ear assembly and the second folding-ear assembly are oppositely arranged, and through the relative movement of the first folding-ear assembly and the second folding-ear assembly in the horizontal direction and the vertical direction, a pole piece between the first folding-ear assembly and the second folding-ear assembly can be bent by a set angle, so that an electrode structure with an integrated pole piece and a pole lug is formed.
6. A folding-ear button type integrated machine according to claim 5, characterized in that the first folding-ear component comprises a first vertical movement mechanism and a first horizontal movement mechanism, and the first horizontal movement mechanism is connected with the first vertical movement mechanism, so that the first folding-ear component on the first horizontal movement mechanism moves in the directions of X axis and Z axis in the three-dimensional space.
7. A folding-lug buckling-type all-in-one machine according to claim 5, further comprising a first pole piece pressing group, a second pole piece pressing group and a shearing group, wherein the first pole piece pressing group is arranged at the pole piece input end of the folding-lug device, the second pole piece pressing group is arranged at the pole piece output end of the pole piece device, and the shearing group is arranged between the first pole piece pressing group and the first folding-lug group.
8. A folding ear and buckling type all-in-one machine according to claim 1 is characterized in that the rubberizing devices are arranged on the front side and the back side of the pole piece, so that the front side and the back side of the pole piece and the electrode structure are connected into an integrated structure.
9. A folding ear and buckling type all-in-one machine according to claim 8, wherein the conveying device comprises a third pole piece pressing group, a second detection assembly and a fourth pole piece pressing group, the fourth pole piece pressing group and the third pole piece pressing group jointly drive a pole piece to move to a next station, and the second detection assembly is used for detecting the connection quality between an electrode structure and the pole piece which are connected through the rubberizing device.
10. The fold-ear-buckle all-in-one machine according to claim 9, further comprising a membrane sheet conveying assembly, wherein the winding device comprises a winding assembly and a cell detection assembly; the diaphragm conveying assembly is located at the upper portion and the bottom of the winding assembly, the winding assembly drives the diaphragm to wind the electrode structure, the battery cell and the diaphragm into an integrated structure, and the battery cell detection assembly is used for detecting the connection quality of the wound electrode structure and the battery cell.
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| CN202010513753.8A CN111769317B (en) | 2020-06-08 | 2020-06-08 | Ear folding and buckling type integrated machine |
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| CN202010513753.8A CN111769317B (en) | 2020-06-08 | 2020-06-08 | Ear folding and buckling type integrated machine |
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| CN111769317B CN111769317B (en) | 2022-04-26 |
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| CN111769317B (en) | 2022-04-26 |
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