Gluing device and pole piece roll changing equipment

Abstract

The utility model discloses a rubberizing device and pole piece roll changing equipment, and relates to the technical field of lithium batteries. The rubberizing device comprises a rack as well as a conveying roller, a supporting table and a rubberizing mechanism which are mounted on the rack, the rubberizing mechanism and the supporting table are arranged in a spaced mode, the conveying roller is used for driving a pole piece material belt to move between the rubberizing mechanism and the supporting table, the conveying roller is further used for suspending operation when the pole piece material belt is moved to a preset position, and the rubberizing mechanism is used for pressing the pole piece material belt on the supporting table and rubberizing the pole piece material belt when the conveying roller suspends operation. And the redundant end heads extending out of the pole piece material belt are adhered to the pole piece material belt. Compared with the prior art, the rubberizing device provided by the utility model adopts the rubberizing mechanism and the supporting table which are arranged at intervals, so that the rubberizing device can be used for carrying out rubberizing constraint on redundant end heads, the redundant end heads are prevented from being scratched with parts in the subsequent battery cell production process, the adverse effects of the redundant end heads are eliminated, and the normal production of battery cells is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium batteries, and in particular to a glue sticking device and pole piece reel changing equipment. Background Art

[0002] At present, in the continuous production process of battery cells, pole sheet rolls are generally used for feeding. When a roll of pole sheet roll is used up, the starting end of another roll of pole sheet roll needs to be bonded to the end of the previous roll of pole sheet roll to achieve the pole sheet roll change. At present, the industry usually adopts automatic roll-changing mechanism for roll change. Due to its structural limitations, after the roll change is completed, the ends of the two rolls of pole sheets will have a fixed length of excess end. Since the excess end is in an unconstrained free state (drooping, warping, curling or uneven tension), it will scrape against parts when passing through the pole sheet roller or other production mechanism, causing the pole sheet to fall off, the pole sheet to be scraped or the material strip to deviate, and may even cause the pole sheet to break, affecting the normal production of the battery cell.

[0003] In view of this, it is particularly important to design and manufacture a glue sticking device and a pole piece rewinding device that can eliminate the adverse effects of excess terminals, especially in battery cell production. Utility Model Content

[0004] The utility model aims to provide a glue sticking device, which can constrain the excess end heads by glue sticking, so as to prevent them from being scratched with parts in the subsequent battery cell production process, eliminate the adverse effects of the excess end heads, and ensure the normal production of the battery cells.

[0005] Another object of the utility model is to provide a pole piece reel changing device, which can apply glue to excess ends to prevent them from scratching against parts during subsequent battery cell production, eliminate the adverse effects of excess ends, and ensure normal battery cell production.

[0006] The utility model is realized by adopting the following technical solutions.

[0007] A glue sticking device is used for sticking glue to a pole piece strip formed after pole piece rewinding. The glue sticking device comprises a frame and a conveying roller, a support platform and a glue sticking mechanism installed on the frame. The glue sticking mechanism and the support platform are arranged at intervals. The conveying roller is used for driving the pole piece strip to run between the glue sticking mechanism and the support platform. The conveying roller is also used for pausing the operation when the pole piece strip is brought to a preset position. The glue sticking mechanism is used for pressing the pole piece strip on the support platform and sticking glue to the pole piece strip when the conveying roller is suspended, so as to stick the excess end of the pole piece strip to the pole piece strip.

[0008] Optionally, the gluing mechanism includes a first driving member, a translation frame, a limiting wheel, a second driving member, a rotating frame, a gluing roller and a cutting assembly. The first driving member is mounted on the frame and connected to the translation frame. The limiting wheel and the second driving member are both mounted on the translation frame. The limiting wheel is used for providing a sleeve for the adhesive roll. The second driving member is connected to the rotating frame. The gluing roller and the cutting assembly are both mounted on the rotating frame. The gluing roller is used to pull the free end of the adhesive roll to glue the pole piece strip. The cutting assembly is used to cut off the free end of the adhesive roll after the gluing is completed.

[0009] Optionally, the rotating frame includes a frame body, a hinge column, a connecting block and a mounting frame, one end of the frame body is hinged to the translation frame through the hinge column, and the other end of the frame body is connected to the mounting frame. The rubber roller is rotatably installed in the mounting frame, and the connecting block is installed on the frame body and hinged to the second driving member.

[0010] Optionally, the glue sticking mechanism further comprises a detection element, which is mounted on the rotating frame and spaced above the glue sticking roller, and is used to detect whether the glue sticking position is accurate.

[0011] Optionally, the glue sticking device also includes a supporting frame, a third driving member, a fourth driving member and a holding plate, the supporting frame is installed on the frame, the third driving member is installed on the supporting frame and connected to the supporting table, the fourth driving member is installed on the supporting frame and connected to the holding plate, the pole piece strip is arranged between the holding plate and the supporting table, and the holding plate and the supporting table are used to clamp the pole piece strip.

[0012] Optionally, the holding plate is provided with an avoidance gap, and the avoidance gap is used to make way for the glue sticking mechanism.

[0013] Optionally, the glue sticking device further includes a position sensor, which is mounted on the frame and is used to detect whether the pole piece tape has been moved to a preset position.

[0014] Optionally, the gluing direction of the gluing mechanism is perpendicular to the conveying direction of the conveying roller; or, the gluing direction of the gluing mechanism is parallel to the conveying direction of the conveying roller.

[0015] Optionally, there are two support platforms and two glue sticking mechanisms, the two support platforms are relatively arranged on both sides of the pole piece strip, and the two glue sticking mechanisms are relatively arranged on both sides of the pole piece strip, and each glue sticking mechanism is used to glue the excess end of one side of the pole piece strip.

[0016] A pole piece reel changing device comprises the above-mentioned gluing device, which comprises a frame and a conveying roller, a support platform and a gluing mechanism installed on the frame. The gluing mechanism and the support platform are arranged at intervals. The conveying roller is used to drive the pole piece material belt to run between the gluing mechanism and the support platform. The conveying roller is also used to pause when the pole piece material belt is brought to a preset position. The gluing mechanism is used to press the pole piece material belt against the support platform and glue the pole piece material belt when the conveying roller pauses, so as to stick the excess end of the pole piece material belt to the pole piece material belt.

[0017] The glue sticking device and pole piece reel changing device provided by the utility model have the following beneficial effects:

[0018] The gluing device provided by the utility model has a gluing mechanism and a support table arranged at intervals, a conveying roller is used to drive the pole piece material belt to run between the gluing mechanism and the support table, and the conveying roller is also used to suspend operation when the pole piece material belt is brought to a preset position, and the gluing mechanism is used to press the pole piece material belt on the support table and glue the pole piece material belt when the conveying roller is suspended, so as to stick the excess end heads on the pole piece material belt to the pole piece material belt. Compared with the prior art, the gluing device provided by the utility model adopts a gluing mechanism and a support table arranged at intervals, so that the excess end heads can be constrained by gluing, thereby preventing them from scratching against parts in the subsequent battery cell production process, eliminating the adverse effects of the excess end heads, and ensuring the normal production of the battery cells.

[0019] The pole piece rewinding equipment provided by the utility model comprises a glue sticking device, which can stick glue to the excess end heads to prevent them from being scratched with parts during the subsequent battery cell production process, eliminate the adverse effects of the excess end heads, and ensure the normal production of the battery cells. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 A schematic diagram of the structure of a pole piece reel changing device provided in an embodiment of the utility model;

[0022] Figure 2 A schematic structural diagram of a pole piece strip applied to a glue sticking device provided in an embodiment of the utility model from one viewing angle;

[0023] Figure 3 A schematic structural diagram of a pole piece strip applied to a glue sticking device provided in an embodiment of the utility model from another perspective;

[0024] Figure 4 A schematic diagram of the structure of the adhesive laminating device provided in an embodiment of the utility model;

[0025] Figure 5 A schematic diagram of the structure in which the gluing mechanism and the support platform are spaced apart in the gluing device provided in an embodiment of the utility model;

[0026] Figure 6 A structural schematic diagram of a gluing mechanism in a gluing device provided in an embodiment of the utility model from one perspective;

[0027] Figure 7 This is a structural schematic diagram of another perspective of the gluing mechanism in the gluing device provided in an embodiment of the utility model.

[0028] Icons: 10-pole sheet reel changing equipment; 100-glue sticking device; 110-frame; 120-conveyor roller; 130-support table; 140-glue sticking mechanism; 141-first driving member; 142-translation frame; 143-limiting wheel; 144-second driving member; 145-rotating frame; 1451-frame body; 1452-hinged column; 1453-connecting block; 1454-installation frame; 146-glue sticking roller; 147-detection element; 150-carrying frame; 160-third driving member; 170-fourth driving member; 180-holding plate; 181-avoidance gap; 200-reel changing device; 300-pole sheet reel; 310-pole sheet tape; 320-excess end; 400-adhesive reel. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0030] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0032] In the description of the present utility model, it should be noted that the terms "inside", "outside", "upper", "lower", "horizontal", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0033] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "connect", "install", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] Some embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the absence of conflict, the features of the following embodiments can be combined with each other.

[0035] Please refer to Figures 1 to 3 The embodiment of the utility model provides a pole piece reel changing device 10, which is used to reel pole piece reel 300, so as to realize continuous production of battery cells. It can apply glue to excess end caps 320 to prevent them from scratching against parts during subsequent battery cell production, eliminate the adverse effects of excess end caps 320, and ensure normal production of battery cells.

[0036] It should be noted that the electrode roll changing device 10 is used in the battery cell production process. When the same roll of electrode roll 300 is continuously fed, the electrode material belt 310 passes through the electrode roll changing device 10 and is put into battery cell production, and the electrode roll changing device 10 does not work at this time; when a roll of electrode roll 300 is about to be used up, the electrode roll changing device 10 is started to realize the automatic roll changing of the electrode roll 300 and the gluing constraint of the excess end 320.

[0037] The pole piece reel changing device 10 comprises a reel changing device 200 and a glue sticking device 100, and the reel changing device 200 and the glue sticking device 100 are sequentially arranged along the feeding direction. Among them, the reel changing device 200 is used to realize the automatic reel changing function of the electrode sheet coil 300, and the starting end of a new roll of electrode sheet coil 300 is bonded to the end of the previous roll of electrode sheet coil 300 to ensure that the formed electrode sheet strip 310 can be continuously and uninterruptedly put into battery cell production, thereby ensuring the battery cell production efficiency; the gluing device 100 is used to glue the electrode sheet strip 310 formed after the electrode sheet is reeled, and the excess end head 320 on the electrode sheet strip 310 is glued to the electrode sheet strip 310 to position and constrain it, so that it fits on the surface of the electrode sheet strip 310 and moves along with the electrode sheet strip 310, thereby avoiding the situation where the excess end head 320 is extended and causes it to scratch against parts during the subsequent battery cell production process, eliminating the adverse effects of the excess end head 320, and ensuring the normal production of the battery cell.

[0038] Please refer to Figures 4 to 7 The gluing device 100 includes a frame 110, a conveying roller 120, a support platform 130 and a gluing mechanism 140. The conveying roller 120, the support platform 130 and the gluing mechanism 140 are all installed on the frame 110, and the frame 110 is used to support and fix the conveying roller 120, the support platform 130 and the gluing mechanism 140. The gluing mechanism 140 and the support platform 130 are arranged at intervals, and the pole piece material strip 310 is arranged between the gluing mechanism 140 and the support platform 130. The conveying roller 120 is used to drive the pole piece material strip 310 to run between the gluing mechanism 140 and the support platform 130. During the running process of the pole piece material strip 310, there is a distance between the pole piece material strip 310 and the gluing mechanism 140 and the support platform 130, so as to avoid the gluing mechanism 140 and the support platform 130 from interfering with the normal running of the pole piece material strip 310. Specifically, the conveying roller 120 is also used to pause when the pole piece tape 310 is moved to a preset position, so that the pole piece tape 310 stops moving. The gluing mechanism 140 is used to press the pole piece tape 310 against the support table 130 and glue the pole piece tape 310 when the conveying roller 120 is paused, so that the excess end heads 320 extending from the pole piece tape 310 are glued to the pole piece tape 310, thereby gluing and restraining the excess end heads 320 to prevent them from scratching against parts during the subsequent battery cell production process, thereby eliminating the adverse effects of the excess end heads 320 and ensuring the normal production of the battery cells.

[0039] The gluing mechanism 140 includes a first driving member 141, a translation frame 142, a limiting wheel 143, a second driving member 144, a rotating frame 145, a gluing roller 146 and a cutter assembly (not shown). The first driving member 141 is mounted on the frame 110 and connected to the translation frame 142. The limiting wheel 143 and the second driving member 144 are both mounted on the translation frame 142. The first driving member 141 is used to drive the limiting wheel 143 and the second driving member 144 to move along the first direction through the translation frame 142. The limiting wheel 143 is used to be set on the adhesive roll 400 to limit the adhesive roll 400 so that the adhesive roll 400 can move with the translation frame 142. The second driving member 144 is connected to the rotating frame 145, and the glue roller 146 and the cutter assembly are both installed on the rotating frame 145. The second driving member 144 is used to drive the glue roller 146 and the cutter assembly to rotate through the rotating frame 145, so that the glue roller 146 and the cutter assembly are simultaneously close to or away from the support platform 130. The glue roller 146 is used to pull the free end of the adhesive roll 400 to glue the pole piece material strip 310, so as to stick the excess end 320 on the pole piece material strip 310 to the pole piece material strip 310. The cutter assembly is used to cut off the free end of the adhesive roll 400 after the glue is completed, so as to facilitate the next glue operation.

[0040] It is worth noting that during the operation of the glue sticking mechanism 140, first, the first driving member 141 drives the limiting wheel 143 and the second driving member 144 to move in the first direction through the translation frame 142, until the position of the glue sticking roller 146 corresponds to the position of the redundant end head 320; then, the second driving member 144 drives the glue sticking roller 146 and the cutter assembly to rotate through the rotating frame 145, until the glue sticking roller 146 presses the pole piece strip 310 onto the support table 130; then, the first driving member 141 continues to drive the limiting wheel 143 and the second driving member 144 to move in the first direction through the translation frame 142, so as to drive the glue sticking roller 146 to move in the second direction. The adhesive roller 146 moves in one direction, thereby making the adhesive roller 146 apply adhesive to the pole piece material strip 310 along the first direction. During this process, since the position of the adhesive roller 146 corresponds to the position of the excess end head 320, the adhesive will stick the excess end head 320 to the pole piece material strip 310, so as to realize the adhesive application constraint on the excess end head 320. When the adhesive has completely attached the excess end head 320 to the pole piece material strip 310, the cutting knife assembly is started to cut off the free end of the adhesive roll 400, so that the cut adhesive remains on the pole piece material strip 310, so as to facilitate the adhesive roller 146 to pull the newly formed free end on the adhesive roll 400 for the next adhesive application.

[0041] In the present embodiment, the gluing direction of the gluing mechanism 140 is perpendicular to the conveying direction of the conveying roller 120, wherein the gluing direction of the gluing mechanism 140 is the first direction in which the first driving member 141 drives the translation frame 142 to move, and the conveying direction of the conveying roller 120 is the length direction of the pole piece tape 310, and the length direction of the pole piece tape 310 is named the second direction, and the first direction is perpendicular to the second direction, that is, the gluing mechanism 140 glues the pole piece tape 310 along its width direction (that is, the first direction). In this case, half of the glue is glued to the pole piece tape 310, and the other half is glued to the excess end 320 to achieve gluing constraint on the excess end 320. However, it is not limited to this. In other embodiments, the gluing direction of the gluing mechanism 140 is parallel to the conveying direction of the conveying roller 120, that is, the gluing mechanism 140 glues the pole piece strip 310 along its length direction (that is, the second direction). In this case, the front half of the glue is glued to the pole piece strip 310 (or the excess end 320), and the rear half is glued to the excess end 320 (or the pole piece strip 310), which can also achieve gluing constraint on the excess end 320.

[0042] The rotating frame 145 includes a frame body 1451, a hinge column 1452, a connecting block 1453 and a mounting frame 1454. One end of the frame body 1451 is hinged to the translation frame 142 through the hinge column 1452, and the other end of the frame body 1451 is connected to the mounting frame 1454. The frame body 1451 can drive the mounting frame 1454 to rotate relative to the translation frame 142. The glue roller 146 is rotatably installed in the mounting frame 1454, and the mounting frame 1454 is used to limit the glue roller 146 to improve the stability of the rotation of the glue roller 146 and ensure the glue effect of the glue roller 146. Specifically, the connecting block 1453 is installed on the frame 1451 and is hinged to the second driving member 144. The second driving member 144 can drive the connecting block 1453 away from or close to the translation frame 142 to make the frame 1451 rotate in the direction away from or close to the translation frame 142, thereby making the installation frame 1454 and the glue roller 146 move in the direction away from or close to the translation frame 142.

[0043] Furthermore, the glue sticking mechanism 140 also includes a detection element 147, which is mounted on the rotating frame 145 and is spaced above the glue sticking roller 146. The detection element 147 is used to detect whether the glue sticking position is accurate to ensure the restraining effect on the redundant terminal 320. When the detection element 147 detects that half of the adhesive is stuck on the pole piece material strip 310 and the other half is stuck on the redundant terminal 320, it means that the glue sticking position is accurate; when the detection element 147 detects that the adhesive is completely stuck on the pole piece material strip 310 or completely stuck on the redundant terminal 320, it means that the glue sticking position is inaccurate. At this time, the detection element 147 will send an electric control signal to alarm and notify the staff to perform maintenance.

[0044] In this embodiment, the detection element 147 is a color sensor. Since the color of the adhesive is different from the color of the electrode strip 310, the color sensor can identify and detect whether the adhesive position is accurate through different colors. However, this is not limited to this. In other embodiments, the detection element 147 can also be a camera, which can determine whether the adhesive position is accurate through visual observation.

[0045] It should be noted that the glue sticking device 100 further includes a carrier 150, a third driving member 160, a fourth driving member 170 and a holding plate 180. The carrier 150 is mounted on the frame 110, the third driving member 160 is mounted on the carrier 150 and connected to the support platform 130, the position of the support platform 130 corresponds to the position of the holding plate 180, and the third driving member 160 is used to drive the support platform 130 to move along the third direction so that the support platform 130 is close to or away from the holding plate 180. The fourth driving member 170 is mounted on the carrier 150 and connected to the holding plate 180, and the fourth driving member 170 is used to drive the holding plate 180 to move along the third direction so that the holding plate 180 is away from or close to the support platform 130. Specifically, the pole piece strip 310 is disposed between the pressing plate 180 and the support platform 130 , and the pressing plate 180 and the support platform 130 are used to clamp the pole piece strip 310 to fix the position of the pole piece strip 310 and ensure the gluing effect.

[0046] In this embodiment, the holding plate 180 is disposed on one side of the pole piece strip 310, and the holding plate 180 can hold one side of the pole piece strip 310 on the support platform 130 to fix the relative position of the pole piece strip 310 and the support platform 130, and prevent the pole piece strip 310 from being displaced relative to the support platform 130. Specifically, the holding plate 180 is provided with an avoidance notch 181, and the avoidance notch 181 is used to make way for the glue roller 146 of the glue sticking mechanism 140, so that the glue roller 146 drives the adhesive to stick the entire redundant end 320, thereby improving the glue sticking limiting effect on the redundant end 320.

[0047] Furthermore, the gluing device 100 further includes a position sensor (not shown), which is mounted on the frame 110. The position sensor is used to detect whether the pole piece tape 310 is running to the preset position, so as to realize the automatic start and stop of the gluing device 100. When the position sensor detects that the pole piece tape 310 is running to the preset position, the position of the gluing mechanism 140 corresponds to the position of the redundant end 320, at which time the conveying roller 120 is paused and the gluing mechanism 140 is started. In this embodiment, the position sensor is a visual sensor, which can judge whether the pole piece tape 310 is running to the preset position by visual observation.

[0048] It is worth noting that after the pole piece coil 300 is rewound, both sides of the formed pole piece strip 310 have a section of excess end caps 320. In order to ensure that the battery cell can be produced normally, the excess end caps 320 on both sides of the pole piece strip 310 need to be glued and constrained. In this embodiment, the number of support platforms 130 and glue-applying mechanisms 140 is two, and the two support platforms 130 are relatively arranged on both sides of the pole piece strip 310. The two glue-applying mechanisms 140 are relatively arranged on both sides of the pole piece strip 310. Each glue-applying mechanism 140 is used to glue the excess end caps 320 on one side of the pole piece strip 310. The two glue-applying mechanisms 140 work together to realize the glue-applying constraint of the excess end caps 320 on both sides of the pole piece strip 310. Correspondingly, the number of the supporting frame 150 , the third driving member 160 , the fourth driving member 170 and the holding plate 180 are all two, each third driving member 160 is connected to a support platform 130 , and the position of each holding plate 180 corresponds to the position of a support platform 130 .

[0049] In this embodiment, the two gluing mechanisms 140 are arranged at intervals along the length direction of the pole piece tape 310, and the spacing between the two gluing mechanisms 140 is the same as the length of the bonding part of the two rolls of pole piece material 300. In this way, when the pole piece tape 310 is conveyed to the preset position, the two gluing mechanisms 140 can simultaneously perform gluing operations on the excess ends 320 on both sides of the pole piece tape 310, and the pole piece tape 310 only needs to stop conveying once during the entire gluing process. However, it is not limited to this. In other embodiments, the spacing between the two gluing mechanisms 140 is different from the length of the bonding portion of the two rolls of pole piece material 300. In this case, the number of preset positions is two. When the pole piece tape 310 is conveyed to the first preset position, the first gluing mechanism 140 performs gluing operation on the excess end 320 on one side of the pole piece tape 310. When the pole piece tape 310 is conveyed to the second preset position, the second gluing mechanism 140 performs gluing operation on the excess end 320 on the other side of the pole piece tape 310. Similarly, the gluing constraint on the excess end 320 on both sides of the pole piece tape 310 can be achieved.

[0050] In this embodiment, the first driving member 141, the second driving member 144, the third driving member 160 and the fourth driving member 170 are all cylinders, but are not limited to this. In other embodiments, the first driving member 141, the second driving member 144, the third driving member 160 and the fourth driving member 170 may all be hydraulic cylinders or electric cylinders, and the types of the first driving member 141, the second driving member 144, the third driving member 160 and the fourth driving member 170 are not specifically limited.

[0051] During the operation of the glue sticking device 100, first, the conveying roller 120 feeds the pole piece tape 310 formed after the roll change to between the glue sticking mechanism 140 and the support table 130; when the position sensor detects that the pole piece tape 310 is running to the preset position, the conveying roller 120 is paused to stop the running of the pole piece tape 310; then, the third driving member 160 is used to drive the support table 130 to approach the holding plate 180 along the third direction, and at the same time, the fourth driving member 170 is used to drive the holding plate 180 to approach the support table 130 along the third direction until the holding plate 180 and the support table 130 press the pole piece tape 310; then, the first driving member 141 is used to drive the translation frame 142 to move in the first direction until the position of the glue sticking roller 146 corresponds to the position of the redundant end 320; then, the second driving member 144 is used to drive the holding plate 180 to move along the third direction until the pole piece tape 310 is pressed by the holding plate 180 and the support table 130; The rotating frame 145 is driven to rotate until the glue roller 146 presses the pole piece material strip 310 onto the support platform 130; then the first driving member 141 is continued to be used to drive the glue roller 146 to move along the first direction through the translation frame 142 and the rotating frame 145 in turn to realize the gluing operation of the excess end 320. In this process, the detection element 147 is used to detect whether the gluing position is accurate; after the gluing is completed, the free end of the adhesive roll 400 is cut off by the cutter assembly; then the first driving member 141 drives the translation frame 142 to reset, the second driving member 144 drives the rotating frame 145 to reset, the third driving member 160 drives the support platform 130 to reset, and the fourth driving member 170 drives the holding plate 180 to reset; finally, the conveying roller 120 is started to continue to feed the pole piece material strip 310 forward for battery cell production.

[0052] The gluing device 100 provided by the embodiment of the utility model has a gluing mechanism 140 and a support platform 130 arranged at intervals, and the conveying roller 120 is used to drive the pole piece material belt 310 to run between the gluing mechanism 140 and the support platform 130. The conveying roller 120 is also used to suspend operation when the pole piece material belt 310 runs to a preset position. The gluing mechanism 140 is used to press the pole piece material belt 310 on the support platform 130 and glue the pole piece material belt 310 when the conveying roller 120 is suspended, so as to glue the excess terminal 320 on the pole piece material belt 310. Compared with the prior art, the gluing device 100 provided by the utility model adopts the gluing mechanism 140 and the support platform 130 arranged at intervals, so that the excess terminal 320 can be constrained by gluing, so as to prevent it from scratching with parts in the subsequent battery cell production process, eliminate the adverse effects of the excess terminal 320, and ensure the normal production of the battery cell. The pole piece reel changing device 10 has high reel changing efficiency, and is safe and reliable.

[0053] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A glue sticking device, characterized in that: Used to glue the pole piece material strip formed after the pole piece is rewound, the gluing device includes a frame and a conveying roller, a support platform and a gluing mechanism installed on the frame, the gluing mechanism and the support platform are arranged at an interval, the conveying roller is used to drive the pole piece material strip to run between the gluing mechanism and the support platform, the conveying roller is also used to pause when the pole piece material strip is brought to a preset position, the gluing mechanism is used to press the pole piece material strip on the support platform and glue the pole piece material strip when the conveying roller pauses, so as to stick the excess end of the pole piece material strip to the pole piece material strip.

2. The glue sticking device according to claim 1, characterized in that: The glue sticking mechanism includes a first driving member, a translation frame, a limiting wheel, a second driving member, a rotating frame, a glue sticking roller and a cutter assembly. The first driving member is installed on the frame and connected to the translation frame. The limiting wheel and the second driving member are both installed on the translation frame. The limiting wheel is used for the adhesive roll to be sleeved. The second driving member is connected to the rotating frame. The glue sticking roller and the cutter assembly are both installed on the rotating frame. The glue sticking roller is used to pull the free end of the adhesive roll to glue the pole piece strip. The cutter assembly is used to cut off the free end of the adhesive roll after the glue sticking is completed.

3. The glue sticking device according to claim 2, characterized in that: The rotating frame includes a frame body, a hinge column, a connecting block and a mounting frame. One end of the frame body is hinged to the translation frame through the hinge column, and the other end of the frame body is connected to the mounting frame. The rubber roller is rotatably installed in the mounting frame. The connecting block is installed on the frame body and is hinged to the second driving member.

4. The glue sticking device according to claim 2, characterized in that: The glue sticking mechanism further comprises a detection element, which is mounted on the rotating frame and spaced above the glue sticking roller. The detection element is used to detect whether the glue sticking position is accurate.

5. The glue sticking device according to claim 1, characterized in that: The glue sticking device also includes a supporting frame, a third driving member, a fourth driving member and a holding plate. The supporting frame is installed on the frame. The third driving member is installed on the supporting frame and connected to the supporting platform. The fourth driving member is installed on the supporting frame and connected to the holding plate. The pole piece strip is arranged between the holding plate and the supporting platform. The holding plate and the supporting platform are used to clamp the pole piece strip.

6. The glue sticking device according to claim 5, characterized in that: The holding plate is provided with an avoidance notch, and the avoidance notch is used to make way for the glue sticking mechanism.

7. The glue sticking device according to claim 1, characterized in that: The glue sticking device further comprises a position sensor, which is mounted on the frame and is used to detect whether the pole piece strip is moved to a preset position.

8. The adhesive laminating device according to claim 1, characterized in that: The gluing direction of the gluing mechanism is perpendicular to the conveying direction of the conveying roller; or, the gluing direction of the gluing mechanism is parallel to the conveying direction of the conveying roller.

9. The adhesive laminating device according to claim 1, characterized in that: There are two support platforms and two glue sticking mechanisms. The two support platforms are relatively arranged on both sides of the pole piece strip, and the two glue sticking mechanisms are relatively arranged on both sides of the pole piece strip. Each of the glue sticking mechanisms is used to glue the excess end of one side of the pole piece strip.

10. A pole piece reel changing device, characterized in that: It comprises the glue applying device as described in any one of claims 1 to 9.

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