Tab and pole piece compounding mechanism and system

Abstract

The utility model relates to the technical field of battery production, and particularly discloses a tab and pole piece compounding mechanism and system. The pole lug and pole piece compounding mechanism comprises a pole lug discharging device, a gluing device, a compounding device and a pole piece discharging device, the tab discharging device is used for discharging tabs; the pole piece discharging device is used for discharging pole pieces; the gluing device is used for gluing the tab or the pole piece; and the compounding device is used for placing the pole piece and carrying out hot-pressing compounding on the glued tab and the pole piece. According to the pole lug and pole piece compounding mechanism and system provided by the scheme, the pole piece and the pole lug can be combined in a hot-pressing compounding mode before the pole piece and the pole lug are welded, so that the pole piece and the pole lug are not easy to move relatively during welding, and the pole piece and the pole lug can be more attached to each other on a microscopic level, so that the welding effect is improved, and the cold solder joint risk is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of battery production, and in particular to a tab and tab sheet composite mechanism and system. BACKGROUND

[0002] The tab sheet is a component of the battery, which is mainly used to carry the active material in the battery and to conduct current. The tab is a conductor. Since the tab sheet is generally arranged inside the battery, the tab can be used to lead the tab sheet in the battery out of the battery to connect with the external circuit. Correspondingly, the tab as a connecting piece of the tab sheet and the external circuit, the connection stability between the tab and the tab sheet is related to the performance and service life of the battery.

[0003] The existing combination of the tab sheet and the tab is generally through the welding mode, specifically, the tab is fixed, and then the tab is moved to the tab sheet to be welded. However, in the actual production process, the tab and the tab sheet may be offset during welding, which may cause the risk of false welding, and the slight unevenness on the surface of the tab and the tab sheet may further aggravate the risk of false welding, resulting in poor connection effect of the tab and the tab sheet. CONTENT OF THE UTILITY MODEL

[0004] Therefore, the purpose of the present application is to provide a tab and tab sheet composite mechanism and system to solve the problem of poor connection effect of the existing tab sheet and tab.

[0005] To achieve the above technical purpose, the first aspect of the present application provides a tab and tab sheet composite mechanism, comprising: a tab feeding device, a glue coating device, a composite device and a tab sheet feeding device;

[0006] The tab feeding device is used for tab feeding.

[0007] The tab sheet feeding device is used for tab sheet feeding.

[0008] The glue coating device is used for coating glue on the tab or the tab sheet.

[0009] The composite device is used for placing the tab sheet and hot-pressing the tab and the tab sheet after coating glue.

[0010] Further, it further comprises a pretreatment device.

[0011] The pretreatment device is arranged upstream of the composite device and is used for surface roughening treatment on the glue coating area of the tab or the tab sheet.

[0012] Further, it further comprises a detection device.

[0013] The detection device is arranged between the glue coating device and the composite device and is used for detecting whether the tab or the tab sheet after coating glue meets the preset glue coating requirement.

[0014] Further, the composite device comprises a hot-pressing support seat, a lower hot-pressing assembly, an upper hot-pressing assembly and a driving member;

[0015] The lower hot-pressing assembly and the upper hot-pressing assembly are both arranged on the hot-pressing support seat in a liftable manner;

[0016] The upper hot-pressing assembly is arranged above the lower hot-pressing assembly;

[0017] The upper hot-pressing assembly is provided with an upper end cover;

[0018] The lower hot-pressing assembly is provided with a supporting roller for supporting the pole piece;

[0019] The driving member is used for driving the lower hot-pressing assembly and the upper hot-pressing assembly to move close to each other.

[0020] Further, the tab unwinding device comprises a tab unwinding roller, a flattening seat and a cutting seat;

[0021] The tab unwinding roller is used for unwinding the tab material belt;

[0022] The flattening seat is arranged downstream of the tab unwinding roller and is used for flattening the tab material belt;

[0023] The cutting seat is arranged downstream of the flattening seat and is used for cutting the flattened tab material belt to form the tab.

[0024] The second aspect of the application provides a tab-pole piece composite system, comprising: a resistance detection device and the tab-pole piece composite mechanism according to any one of the above;

[0025] The resistance detection device is arranged downstream of the composite device in the tab-pole piece composite mechanism;

[0026] The composite device is used for hot-pressing and combining the tab and the pole piece after gluing to form a first combined piece;

[0027] The resistance detection device is used for resistance detection on a plurality of connection points of the first combined piece.

[0028] Further, it further comprises a gluing device;

[0029] The gluing device is used for gluing one or more end faces of the first combined piece.

[0030] Further, the gluing device comprises a gluing seat, a glue pulling member, a glue suction head, a glue tape cutter and a glue tape unwinding roller;

[0031] The gluing seat is used for allowing the first combined piece to pass through and supporting the first combined piece;

[0032] The adhesive tape feed roller is used to release the adhesive tape;

[0033] The adhesive tape pulling member is movably arranged on the adhesive tape applying seat and used to pull out the adhesive tape;

[0034] The adhesive tape suction head is used to suck the pulled-out adhesive tape;

[0035] The adhesive tape cutter is used to cut the pulled-out adhesive tape;

[0036] The adhesive tape suction head is further used to move the cut adhesive tape to the end face of the first combining member.

[0037] Further, the hot-pressing curing device is further included;

[0038] The hot-pressing curing device includes a curing seat, an upper hot block and a lower hot block;

[0039] The upper hot block and the lower hot block are arranged on the curing seat, and the upper hot block is arranged above the lower hot block;

[0040] The upper hot block and / or the lower hot block are arranged in a lifting manner;

[0041] The lower hot block is used to support the first combining member after double-sided adhesive tape application;

[0042] The upper hot block and the lower hot block are used to press the first combining member to make the adhesive tape on the first combining member cured.

[0043] Further, the winding roller and the protective film roller are further included;

[0044] The protective film roller is used to release the protective film;

[0045] The winding roller is used to wind the protective film and the compound polar piece and tab, so that the protective film covers the compound polar piece and tab.

[0046] As can be seen from the above technical solutions, the present application provides a tab-polar piece compound mechanism and system; wherein the tab-polar piece compound mechanism includes a tab feed device, a glue applying device, a compound device and a polar piece feed device; the tab feed device is used for tab feed; the polar piece feed device is used for polar piece feed; the glue applying device is used for applying glue to the tab or the polar piece; the compound device is used for placing the polar piece and for hot-pressing compound of the glued tab and polar piece.

[0047] The tab tab piece composite mechanism and system provided by the scheme can combine the tab piece and the tab through the hot-pressing composite mode before the tab piece and the tab are welded, so that the tab piece and the tab are not easy to move relative to each other during welding, and the tab piece and the tab can be more closely combined at a micro level, thereby improving the welding effect and reducing the risk of false welding. BRIEF DESCRIPTION OF DRAWINGS

[0048] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0049] Figure 1 A structure schematic diagram of a tab tab piece composite mechanism provided by an embodiment of the present application;

[0050] Figure 2 A partial structure side view of a tab tab piece composite mechanism provided by an embodiment of the present application;

[0051] Figure 3 A composite device schematic diagram of a tab tab piece composite mechanism provided by an embodiment of the present application;

[0052] Figure 4 A whole layout diagram of a tab tab piece composite system provided by an embodiment of the present application;

[0053] Figure 5 A resistance detection device schematic diagram of a tab tab piece composite system provided by an embodiment of the present application;

[0054] Figure 6 A rubber sticking device schematic diagram of a tab tab piece composite system provided by an embodiment of the present application;

[0055] Figure 7 A hot-pressing curing device schematic diagram of a tab tab piece composite system provided by an embodiment of the present application;

[0056] In the drawings:

[0057] 10, tab feeding device; 11, tab unwinding roller; 12, guide roller; 13, flattening seat; 14, cutting seat; 20, rubber coating device; 30, conveying device; 40, composite device; 41, hot-pressing support seat; 42, lower hot-pressing assembly; 43, upper hot-pressing assembly; 44, upper end cover; 45, second driver; 46, first driver; 47, heat insulation plate; 50, shaping device; 51, stamping seat; 60, detection device; 70, pretreatment device; 80, tab piece feeding device; 81, dust removal assembly;

[0058] 100, resistance detection device; 110, detection seat; 120, pressing plate; 130, probe; 140, detection cylinder;

[0059] 200, rubberizing device; 210, rubberizing seat; 220, rubberizing part; 230, pressing part; 240, rubberizing head; 250, rubber tape cutter; 260, rubber tape feeding roller;

[0060] 300, hot-pressing curing device; 310, curing seat; 320, upper hot block; 330, lower hot block;

[0061] 400, second detection device;

[0062] 500, winding roller;

[0063] 600, protective film roller. DETAILED DESCRIPTION

[0064] The technical solutions of the embodiments of the present application will be described clearly and completely in combination with the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0065] In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0066] In the description of the embodiments of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be replaceably connected, or it can be integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0067] Please refer to Figure 1 In the embodiments of the present application, the first aspect provides a tab and pole piece composite mechanism, comprising: a tab feeding device 10, a rubberizing device 20, a composite device 40 and a pole piece feeding device 80.

[0068] The tab dispensing device 10 is used for dispensing tabs. In this embodiment, the tab dispensing device 10 can cut the tab material tape after dispensing the tab material tape, and the tab material tape is cut into tabs with a preset shape. As an embodiment, the tab dispensing device 10 can include a liftable cutter, and the tab material tape is cut into tabs with a preset shape by the cutter.

[0069] The tab dispensing device 80 is used for dispensing tabs, and specifically, the tab dispensing device 80 can dispense tab material tapes in a strip shape.

[0070] The gluing device 20 is used for gluing tabs or tabs. The gluing device 20 can use the prior art to glue the tabs or tabs. As an embodiment, the gluing device 20 can include a liftable glue head; after the tab or tab is moved to a preset position on the gluing device 20, the glue head is pressed down to apply glue on the preset area of the tab or tab; wherein the glue applied by the glue head can be a hot melt conductive adhesive. In addition, the gluing device 20 can be provided with a visual detector or other identification device, which can identify whether the tab or tab is moved to the preset position.

[0071] The composite device 40 is used for the tab material tape to pass through and for the tab to be placed, and is used for hot pressing the glued tab and the tab to form a first combined part. In this embodiment, the composite device 40 can press the glued tab material tape and the tab by pressing.

[0072] For the sake of illustration, in the following embodiments, the gluing device 20 is taken as an example of tab gluing. The tab can be directly dispensed from the tab dispensing roller to the composite device 40. After the tab dispensing device 10 is dispensed, it can be conveyed to the gluing device 20 for gluing. Specifically, the conveying device 30 connects the tab dispensing device 10, the gluing device 20 and the composite device 40, and can be used for conveying the tab. In this embodiment, the conveying device 30 can be one or more conveying tracks 31; the conveying track 31 connects the tab dispensing device 10, the gluing device 20 and the composite device 40 and the like, so that the tab can be transmitted between the working devices. As an embodiment, the conveying track 31 can be provided with a mechanical gripper 32 which can be vertically lifted and horizontally translated; the mechanical gripper 32 can move along the conveying track 31, and when it is moved to be connected with the working device, the mechanical gripper 32 can be moved into the working device to remove or send the tab into the working device, so as to realize the transfer of the tab.

[0073] In this embodiment, the composite device 40 can be provided with a support for the tab material tape to pass through; the support can support the tab material tape, and the tab material tape can be stopped on the support, and then the hot pressing part on the composite device 40 drives the tab to press down, so as to press the tab material tape and the tab.

[0074] After the first combination is formed by hot pressing, the first combination can be transported to a welding station for welding. During the welding process, the tab and the pole piece will not be offset, thus reducing the risk of false welding. Moreover, since the tab and the pole piece have undergone the process of gluing and hot pressing, they have better bonding in macro and micro aspects, so that the heat conduction effect of the tab and the pole piece during welding is better, thereby also improving the welding effect.

[0075] As an embodiment, the pole piece passing through the compounding device 40 is in a strip shape, so that the first combination is in a strip shape. After hot pressing and compounding, the pole piece strip with the tab bonded continues to be conveyed, so that the pole piece strip and the tab after bonding can also meet the needs of continuous conveying and continuous operation. Among them, the first combination after the compounding device 40 can be continuously conveyed to the welding station, or can be wound by winding.

[0076] In an embodiment, referring to Figure 1 and Figure 2 , the tab-pole piece compounding mechanism further comprises a shaping device 50; the shaping device 50 is arranged between the tab feeding device 10 and the gluing device 20; the conveying device 30 is connected to the tab feeding device 10, the gluing device 20 and the shaping device 50; the shaping device 50 is provided with a liftable stamping seat 51; the stamping seat 51 is used for stamping the entire tab to remove burrs on the tab.

[0077] In this embodiment, the lifting of the stamping seat 51 can be driven by a cylinder. Moreover, the stamping seat 51 can include two stamping seats 51 arranged above and below, and the tab is placed between the two stamping seats 51. By driving the two stamping seats 51 to impact the end face of the tab in the manner, the burrs on the cut tab can be removed to prevent the burrs from scratching the pole piece.

[0078] It should be noted that the burr removal by stamping is a prior art. Therefore, in this embodiment, the rate and force of the stamping seat 51 driven by the cylinder can be adjusted according to the prior art, so that the tab is not damaged.

[0079] Further, a detection device 60 is further included; the detection device 60 is arranged between the gluing device 20 and the compounding device 40, and is used for detecting whether the glued tab or the tab meets the preset gluing requirement. In this embodiment, the detection object of the detection device 60 is the tab.

[0080] The detection device 60 can be a CCD detector, which can detect whether the gluing area on the tab is a preset area by visual positioning, so as to judge whether the tab meets the preset gluing requirement. For the tab that does not meet the requirement, the tab can be moved to a waste box by a moving clamp jaw on the detection device 60.

[0081] In one embodiment, referring to Figure 1 and Figure 3 The composite device 40 comprises a hot-press support base 41, a lower hot-press assembly 42 and an upper hot-press assembly 43; the lower hot-press assembly 42 and the upper hot-press assembly 43 are both arranged on the hot-press support base 41 in a liftable manner; the upper hot-press assembly 43 is arranged above the lower hot-press assembly 42; the upper hot-press assembly 43 is provided with an upper head 44 with the same shape as the tab; the lower hot-press assembly 42 is provided with a supporting roller for supporting the jelly-roll.

[0082] In actual application, either the lower hot-press assembly 42 or the upper hot-press assembly 43 can be lifted to realize the hot-pressing of the jelly-roll and the tab.

[0083] As an implementation, both the lower hot-press assembly 42 and the upper hot-press assembly 43 can be arranged in a liftable manner. In this implementation, the lower hot-press assembly 42 is connected to a first driver 46; the upper hot-press assembly 43 is connected to a second driver 45; the first driver 46 and the second driver 45 can be air cylinders.

[0084] In the hot-pressing process, the jelly-roll is arranged on the lower hot-press assembly 42; the glued tab is moved to the jelly-roll by a mechanical arm or other tools and is moved below the upper hot-press assembly 43; then the second driver 45 drives the upper head 44 on the upper hot-press assembly 43 to descend, and the first driver 46 drives the supporting roller to ascend, so that the upper head 44 contacts the jelly-roll and the tab on the supporting roller, realizing the hot-pressing of the two.

[0085] As an implementation, a heat insulation plate 47 is arranged above the upper head 44 on the hot-press support base 41, which can avoid the heat of the upper head 44 from affecting other components above.

[0086] In one embodiment, referring to Figure 1 The tab feeding device 10 comprises a tab unwinding roller 11, one or more guide rollers 12, a flattening seat 13 and a cutting seat 14; the tab unwinding roller 11 is used to unwind the tab jelly-roll; the guide rollers 12 are provided with grooves; the tab jelly-roll unwound by the tab unwinding roller 11 is clamped into the grooves; the flattening seat 13 is arranged upstream and / or downstream of the guide rollers 12 and is used to flatten the tab jelly-roll; the cutting seat 14 is arranged downstream of the flattening seat 13 and is used to cut the flattened tab jelly-roll to form the tab.

[0087] In this embodiment, the width of the grooves on the guide rollers 12 is matched with the width of the tab jelly-roll. The tab jelly-roll is clamped into the grooves and is straightened by the rotation of the guide rollers 12.

[0088] The flattening seat 13 comprises at least two oppositely arranged rollers, and the tab material belt passes between the two oppositely arranged rollers, and the flattening of the tab material belt is realized by the two rollers. In the embodiment, the upper rear or downstream of the flattening seat 13 can be provided with the guide roller 12.

[0089] As an implementation manner, the two rollers on the flattening seat 13 can be adjusted in the vertical direction to adjust the distance between the two rollers.

[0090] As an implementation manner, the two rollers are connected with springs at the opposite sides. The springs can play a buffering role for the rollers to avoid damaging the tab.

[0091] Through the guide roller 12 and the flattening seat 13, the tab material belt can be guided and flattened, and the cutting effect of the cutting seat 14 on the tab material belt is ensured, so that the cutting seat 14 can cut the tab material belt into multiple tabs with consistent sizes.

[0092] In an embodiment, the tab-tab sheet composite mechanism further comprises a pretreatment device 70; the pretreatment device 70 is arranged downstream of the tab material feeding device 10. The pretreatment device 70 is used for roughening the surface of the tab or the tab sheet.

[0093] The pretreatment device 70 and the tab material feeding device 10 are connected through the conveying device 30; the pretreatment device 70 and the gluing device 20 are connected through the conveying device 30. The pretreatment device 70 can be arranged upstream of the gluing device 20 or downstream of the gluing device 20. In the embodiment, the pretreatment device is arranged upstream of the gluing device 20.

[0094] The pretreatment device 70 can be provided with an ultrasonic welding head or other etching tools, which can etch lines on the tab or the tab sheet to increase the surface friction of the gluing area on the tab or the tab sheet, so that the tab and the tab sheet can be more firmly attached in the subsequent composite process.

[0095] The second aspect of the application provides a tab-tab sheet composite system, please refer to Figure 4 The system comprises: a resistance detection device 100 and the tab-tab sheet composite mechanism of any one of the above; the resistance detection device 100 is arranged downstream of the composite device 40 in the tab-tab sheet composite mechanism.

[0096] The resistance detection device 100 can detect the resistance of multiple connection points of the first connecting member to measure the contact resistance values of multiple preset points between the tab sheet and the tab. The contact resistance values can be used to judge the contact condition of the tab sheet and the tab at the preset connection points. In actual application, if the measured resistance value remains stable and is low, it indicates that the contact between the tab sheet and the tab is good; if the resistance value fluctuates greatly or is high, it indicates that the tab sheet and the tab have poor contact.

[0097] As an implementation, please refer to Figure 5 The resistance detection device 100 comprises a detection seat 110, a pressing plate 120, and a plurality of probes 130; the detection seat 110 is used for supporting the first combination; the pressing plate 120 is arranged on the detection seat 110 in a lifting manner, and is used for pressing the first combination; the plurality of probes 130 are arranged on the pressing plate 120, and the positions of the probes 130 on the pressing plate 120 are arranged in an adjustable manner; the plurality of probes 130 are used for resistance detection on a plurality of point positions on the first combination. The lifting of the pressing plate 120 can be driven by a detection cylinder 140 on the detection seat 110.

[0098] In this embodiment, the pressing plate 120 can be lifted to press the first combination, and specifically, the pressing plate 120 can press the pole piece material belt. The plurality of probes 130 can be adjusted in position according to the size of the pole lug, so as to meet the requirements of a plurality of different sizes of the pole lug.

[0099] In an embodiment, please refer to Figure 4 and Figure 6 The pole lug-pole piece composite system further comprises a rubberizing device 200; the rubberizing device 200 is used for rubberizing one or more end surfaces of the first combination.

[0100] In an embodiment, the rubberizing device 200 comprises a rubberizing seat 210, a rubber pulling member 220, a pressing member 230, a rubber suction head 240, a rubber belt cutter 250, and a rubber belt feeding roller 260; the rubberizing seat 210 is used for allowing the first combination to pass through and supporting the first combination; the rubber belt feeding roller 260 is arranged on the rubberizing seat 210, and is used for feeding the rubber belt to a rubber discharging point on the rubberizing seat 210; the rubber pulling member 220 is movably arranged on the rubberizing seat 210, and is used for clamping the rubber belt at the rubber discharging point and pulling the rubber belt to move; the pressing member 230 is movably arranged on the rubberizing seat 210, and is used for pressing the rubber belt at the rubber discharging point after the rubber belt is pulled out; the rubber suction head 240 is movably arranged on the rubberizing seat 210, and is used for sucking the cut rubber belt; the rubber belt cutter 250 is used for cutting the rubber belt at the rubber discharging point; and the rubber suction head 240 is further used for moving the cut rubber belt to the end surface of the first combination.

[0101] In this embodiment, the rubber pulling member 220 can move in a horizontal direction on the rubberizing seat 210, and the rubber pulling member 220 is provided with a clamping head that can be opened and closed, so as to clamp the rubber belt and pull the rubber belt to extend from the rubber discharging point.

[0102] As an implementation, the rubberizing device 200 can comprise two rubberizing seats 210, and the two rubberizing seats 210 are arranged in an up-down manner. The first combination passes through between the two rubberizing seats 210, so that the two rubberizing seats 210 can respectively rubberize two end surfaces of the first combination.

[0103] In the embodiment, the glue suction head 240 can be arranged above or below the glue pulling member 220. The pressing member 230 can be a pressing head driven by a pneumatic cylinder. When the adhesive tape cutter 250 cuts the adhesive tape, the pressing member 230 presses the adhesive tape at the glue outlet point, and the glue suction head 240 sucks the adhesive tape to avoid tension rebound when the adhesive tape is cut.

[0104] In actual application, the operation process of the glue sticking device 200 can be as follows: the glue pulling member 220 clamps the end of the adhesive tape, the pressing member 230 rises to leave the adhesive tape, so that the glue pulling member 220 can pull out the adhesive tape by a preset length; after the adhesive tape is pulled out, the pressing member 230 presses the adhesive tape; the glue suction head 240 moves downward to suck the adhesive tape; and the adhesive tape cutter 250 moves to cut the adhesive tape.

[0105] In one embodiment, referring to Figure 4 and Figure 7 , the tab-pole composite system further comprises a hot-pressing curing device 300; the hot-pressing curing device 300 comprises a curing seat 310, an upper hot block 320 and a lower hot block 330; the upper hot block 320 and the lower hot block 330 are arranged on the curing seat 310, and the upper hot block 320 is arranged above the lower hot block 330; the upper hot block 320 and / or the lower hot block 330 are arranged to be liftable; the lower hot block 330 is used for supporting the first combined piece after the double-sided glue sticking; the upper hot block 320 and the lower hot block 330 are used for pressing the first combined piece to make the glue on the first combined piece solidify to form a second combined piece.

[0106] In actual application, any one of the upper hot block 320 and the lower hot block 330 arranged to be liftable can realize the hot pressing of the first combined piece after the glue sticking.

[0107] In the embodiment, both the upper hot block 320 and the lower hot block 330 are arranged to be liftable, which can improve the hot pressing efficiency and effect.

[0108] Specifically, during the hot pressing and curing process, the first combined piece after the submission can be conveyed to above the lower hot block 330, and then the driving cylinders of the upper hot block 320 and the lower hot block 330 drive the two to approach each other to realize the hot pressing and curing of the first combined piece, so that the glue on the first combined piece melts and then solidifies under pressure to realize better combination of the pole piece and the tab.

[0109] In application, the temperature of the upper hot block 320 and the lower hot block 330 can be adjusted.

[0110] In another embodiment, referring to Figure 4 , the tab-pole composite system further comprises a second detection device 400; the second detection device 400 is used for detecting whether the second combined piece meets the preset requirements.

[0111] The second detection device 400 can detect by a CCD detector. The second detection device 400 can comprehensively check the second combination, such as whether the second combination is pasted with glue, whether the second combination is covered with an ear, whether the pasted glue is cured by hot pressing, and the like.

[0112] Downstream of the second detection device 400, a marking device can also be provided; the marking device can mark both sides of the second combination.

[0113] In another embodiment, referring to Figure 4 The tab and the tab composite system further include a winding roller 500 and a protective film roller 600; the protective film roller 600 is used to unwind the protective film; and the winding roller 500 is used to wind the protective film and the tab and the ear after the tab and the ear are compounded, so that the protective film covers the tab and the ear after the tab and the ear are compounded.

[0114] Upstream of the winding roller 500 and the protective film roller 600, a tension swing lever can be provided, which is used to adjust the tension of the second combination. The tension swing lever can realize material belt compression and tension monitoring during the winding process, and a belt compression device is provided, which facilitates the operator to change the winding and connect the material belt.

[0115] The protective film roller 600 is used to unwind the protective film and make the protective film adhere to the second combination. The winding roller 500 is used to wind the second combination and the protective film after the second combination and the protective film are compounded.

[0116] It should be noted that the winding roller 500 can be provided with a winding diameter detection sensor and a calculator, which can measure and calculate the current winding material diameter to remind the operator to change the winding.

[0117] In an embodiment, upstream of the compounding device 40, a tab material unwinding device 80 is provided; the tab material unwinding device 80 is used to unwind the tab material belt and cut the tab material belt. Meanwhile, upstream of the compounding device 40 and downstream of the tab material unwinding device 80, a dust removal assembly 81 is provided, which can remove dust from the cut tab material belt.

[0118] The above is the preferred embodiment of the present application and does not limit the present application. Although the present application is described in detail with reference to the examples, those skilled in the art can modify the technical solutions described in the examples or replace some of the technical features with equivalent ones, but any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A tab-lam complex mechanism, characterized by, The application relates to a polar tab and polar piece composite mechanism. The polar tab feeding device (10) is used for polar tab feeding. The polar piece feeding device (80) is used for polar piece feeding. The glue coating device (20) is used for coating glue on the polar tab or the polar piece. The composite device (40) is used for polar piece placement and hot-pressing composite of the polar tab and the polar piece after glue coating. The pre-treatment device (70) is arranged upstream of the composite device (40) and is used for surface roughening treatment of a glue coating area of the polar tab or the polar piece.

2. The tab-lam complex of claim 1, wherein The detection device (60) is arranged between the glue coating device (20) and the composite device (40) and is used for detecting whether the polar piece or the polar tab after glue coating meets preset glue coating requirements. The composite device (40) comprises a hot-pressing support seat (41), a lower hot-pressing component (42), an upper hot-pressing component (43) and a driving member. The lower hot-pressing component (42) and the upper hot-pressing component (43) are both arranged on the hot-pressing support seat (41) in a lifting mode.

3. The tab-lam complex of claim 1, wherein The upper hot-pressing component (43) is arranged above the lower hot-pressing component (42). The upper hot-pressing component (43) is provided with an upper end cover (44).

4. The tab-lam complex of claim 1, wherein The lower hot-pressing component (42) is provided with a supporting roller for supporting the polar piece. The driving member is used for driving the lower hot-pressing component (42) and the upper hot-pressing component (43) to move close to each other. The polar tab feeding device (10) comprises a polar tab unwinding roller (11), a flattening seat (13) and a cutting seat (14). The polar tab unwinding roller (11) is used for unwinding a polar tab material belt. The flattening seat (13) is arranged downstream of the polar tab unwinding roller (11) and is used for flattening the polar tab material belt. The cutting seat (14) is arranged downstream of the flattening seat (13) and is used for cutting the flattened polar tab material belt to form the polar tab.

5. The tab-lam complex of claim 1, wherein The application also relates to a polar tab and polar piece composite mechanism. The resistance detection device (100) is arranged downstream of the composite device (40) in the polar tab and polar piece composite mechanism. The composite device (40) is used for hot-pressing composite of the polar tab and the polar piece after glue coating to form a first combined piece. The resistance detection device (100) is used for resistance detection of a plurality of connecting points on the first combined piece.

6. A tab lamination system, comprising: The application also relates to a polar tab and polar piece composite mechanism. The glue coating device (200) is used for glue coating on one or more end faces of the first combined piece. The glue coating device (200) comprises a glue coating seat (210), a glue pulling member (220), a glue suction head (240), a glue tape cutter (250) and a glue tape feeding roller (260). The glue coating seat (210) is used for passing and supporting the first combined piece. The glue tape feeding roller (260) is used for feeding glue tape.

7. The tab lamination system of claim 6, wherein, The glue pulling member (220) is movably arranged on the glue coating seat (210) and is used for pulling out the glue tape. ​ ​ 8. The tab lamination system of claim 7, wherein, ​ ​ ​ ​ The glue suction head (240) is used for sucking the adhesive tape pulled out; The adhesive tape cutter (250) is used for cutting the adhesive tape pulled out; The glue suction head (240) is also used for moving the cut adhesive tape to the end face of the first bonding member.

9. The tab lamination system of claim 7, wherein, Further comprising: A hot-pressing curing device (300); The hot-pressing curing device (300) comprises a curing seat (310), an upper hot block (320) and a lower hot block (330); The upper hot block (320) and the lower hot block (330) are arranged on the curing seat (310), and the upper hot block (320) is arranged above the lower hot block (330); The upper hot block (320) and / or the lower hot block (330) can be arranged in a lifting manner; The lower hot block (330) is used for supporting the first bonding member after double-sided adhesive tape is pasted; The upper hot block (320) and the lower hot block (330) are used for pressing the first bonding member, so that the adhesive tape on the first bonding member is cured.

10. The tab lamination system of any of claims 6-9, wherein, Further comprising: A winding roller (500) and a protective film roller (600); The protective film roller (600) is used for unwinding the protective film; The winding roller (500) is used for winding the protective film and the polar piece and the tab after compounding, so that the protective film covers the polar piece and the tab after compounding.

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