Starting mechanism, roll changing device and winding equipment

Abstract

The utility model relates to a starting mechanism, a roll changing device and winding equipment. The starting mechanism comprises: a starting assembly having an adhesive absorbing member for absorbing an adhesive tape; the driving end of the driving assembly is connected with the starting assembly, the driving assembly is used for driving the starting assembly to move to the standby material roll, and the starting assembly can abut against the standby material roll through the rubber suction roller so that the rubber belt on the rubber suction roller can be bonded with the starting end of the material belt on the standby material roll. Therefore, the starting end of the material belt on the standby material roll is adhered by utilizing the glue absorbing piece of the starting assembly, so that the standby material belt on the standby material roll is lifted, manual starting treatment is avoided, the automation degree and the production efficiency are greatly improved, and the labor cost is reduced.

Description

Technical Field

[0001] This application relates to the field of battery manufacturing equipment technology, specifically to a starting mechanism, a winding device, and a winding equipment. Background Technology

[0002] In the battery manufacturing process, it is often necessary to continuously unwind and output the material strip on the roll downstream. For example, in the cell winding process, electrode sheets need to be continuously unwound and output to the winding device. When the working material strip on the working roll is unwound, it needs to be cut and then connected to the spare material strip of the spare roll, so that the material strip can continue to be unwound and output downstream, thus completing the roll change.

[0003] In the existing technology, in order to achieve a smooth connection between the working material strip and the spare material strip, it is necessary to manually pull the starting end of the material strip on the spare material roll to the designated state. This results in a low degree of automation of the roll changing equipment, requires personnel to be on duty, increases labor costs, and reduces production efficiency. Utility Model Content

[0004] Therefore, it is necessary to provide a starting mechanism, winding device, and winding equipment that can achieve a high degree of automation, improve production efficiency, and reduce labor costs, in order to address the above problems.

[0005] A starting mechanism, comprising:

[0006] The starting assembly has an adhesive suction component for adsorbing the tape; and

[0007] A driving component, the driving end of which is connected to the starting component, is used to drive the starting component to move to the spare roll. The starting component can use the adhesive suction member to abut against the spare roll so that the tape on the adhesive suction member is bonded to the starting end of the tape on the spare roll.

[0008] In some embodiments, the adhesive suction component is an adhesive suction roller, which can be controlled to rotate about its own axis to drive the spare material strip on the spare material roll to be wound onto the adhesive suction roller.

[0009] In some embodiments, the starting mechanism further includes a glue preparation assembly, and the driving assembly is further configured to drive the starting assembly to move to the glue preparation assembly;

[0010] At the glue preparation assembly, the starting assembly can use the glue suction roller to fix the starting end of the tape and wind the tape, and the glue preparation assembly can controllably cut the tape.

[0011] In some embodiments, the starting assembly includes a first mounting base, a first rotary drive member, and a first rotating seat. The first mounting base is mounted on the drive end of the drive assembly, which drives the first mounting base to move. The first rotary drive member is mounted on the first mounting base, and the first rotating seat is mounted on the drive end of the first rotary drive member. The adhesive suction roller is mounted on the first rotating seat.

[0012] In some embodiments, the starting assembly further includes a first slide and a second slide, both disposed on the first rotating seat, and the adhesive suction roller includes a first suction half-roller mounted on the first slide and a second suction half-roller mounted on the second slide. The surfaces of the first suction half-roller and the second suction half-roller, which are opposite to each other, combine to form a roller surface for winding the adhesive tape.

[0013] The first slide can controllably move the first adsorption half-roller closer to or away from the second adsorption half-roller, and / or the second slide can controllably move the second adsorption half-roller closer to or away from the first adsorption half-roller.

[0014] In some embodiments, the surfaces of the first adsorption half-roller and the second adsorption half-roller that are opposite to each other are adsorption surfaces, which are used to adsorb tape wrapped on the adsorption surfaces.

[0015] In some embodiments, the starting assembly further includes a first clamping drive mounted on the first rotary seat, the drive end of the first clamping drive being connected to the first slide to drive the first slide closer to or further away from the second slide; and / or

[0016] The starting assembly also includes a second clamping drive member mounted on the first rotating seat. The drive end of the second clamping drive member is connected to the second slide to drive the second slide to move closer to or away from the first slide.

[0017] In some embodiments, the drive assembly includes a drive unit, a third transfer seat, and an elastic buffer. The third transfer seat is mounted on the drive end of the drive unit, the first mounting seat is movably connected to the third transfer seat, and the two ends of the elastic buffer are respectively connected to the first mounting seat and the third transfer seat.

[0018] In some embodiments, the drive assembly is used to drive the first mounting base to move along a first direction and a second direction, or along a first direction, a second direction and a third direction; wherein the first direction, the second direction and the third direction intersect each other, and the third direction is aligned with the axial direction of the adhesive roller.

[0019] In some embodiments, the drive unit includes a translation drive, a first drive, a first transfer seat, a second drive, a second transfer seat, and a third drive;

[0020] The first driving member is mounted on the driving end of the translation driving member, the first transfer seat is mounted on the driving end of the first driving member, the second driving member is mounted on the first transfer seat, the second transfer seat is movably connected to the first transfer seat along the second direction and is connected to the driving end of the second driving member, the third driving member is mounted on the second transfer seat, the third transfer seat is movably connected to the second transfer seat along the third direction and is connected to the driving end of the third driving member;

[0021] The translation drive is used to drive the first drive to move along the first direction, and the first drive is used to drive the first transfer seat to move along the third direction.

[0022] A roll changing device includes a starting mechanism as described in any of the above embodiments.

[0023] A winding apparatus includes a winding device as described in any of the above embodiments.

[0024] The aforementioned starting mechanism, roll changing device, and winding equipment utilize the adhesive suction roller of the starting component to pick up the starting end of the material strip on the spare material roll, thereby lifting the spare material strip on the spare material roll. This avoids manual starting processing, greatly improves the degree of automation and production efficiency, and reduces labor costs. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of a roll changing device in one embodiment of this application;

[0026] Figure 2 for Figure 1 A schematic diagram of the unwinding mechanism and the tape receiving mechanism of the winding device shown;

[0027] Figure 3 for Figure 1 The diagram shows the process of the starting assembly of the roll changing device picking up the starting end of the material strip on the spare roll.

[0028] Figure 4 for Figure 1 The diagram shows the process of the starting assembly of the roll changing device transferring the tape to the adhesive suction surface of the tape splicing mechanism.

[0029] Figure 5 for Figure 1 The diagram shows the structure of the glue preparation assembly of the roll changing device;

[0030] Figure 6 for Figure 5 A schematic diagram of the adhesive preparation assembly from another perspective;

[0031] Figure 7 for Figure 1 The diagram shows the structural schematics of the drive assembly and the starting assembly of the roll changing device.

[0032] Figure 8 for Figure 7 The diagram shows the structure of the starting assembly. Detailed Implementation

[0033] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0034] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0035] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0036] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0037] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0038] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0039] Please see Figures 1 to 3 This application provides a roll changing device, including an unwinding mechanism 31, a tape-joining mechanism 30, and a starting mechanism (not shown in the figure). The unwinding mechanism 31 is used to load the working roll and the spare roll A1, and drives the working roll downstream to unwind and output the working tape. The tape-joining mechanism 30 is arranged downstream of the unwinding mechanism 31 and is used to change the roll when the working roll is unwound. It is understood that before changing the roll, the starting end A3 of the spare roll A1 on the unwinding mechanism 31 needs to be lifted and pulled to a designated position so that the tape-joining mechanism 30 can cut the working tape and the spare tape during the roll changing, and use the tape e (see figure) Figure 5 The downstream cut end of the working material strip and the upstream cut end of the spare material strip are bonded together. This starting mechanism is used to pick up the starting end A3 of the spare material roll A1 on the unwinding mechanism 31 and pull it to the designated position.

[0040] In embodiments of this application, the starting mechanism includes a starting assembly 42 and a driving assembly 41. The starting assembly 42 has a suction member for adsorbing tape e. The driving end of the driving assembly 41 is connected to the starting assembly 42, enabling the driving assembly 41 to drive the starting assembly 42 to move to the spare roll A1 on the unwinding mechanism 31. When the driving assembly 41 drives the starting assembly 42 to move to the spare roll A1 on the unwinding mechanism 31, the starting assembly 42 can use the suction member to abut against the spare roll A1 on the unwinding mechanism 31, so that the tape e on the suction member adheres to the starting end A3 of the tape on the spare roll A1. After the tape e on the suction member adheres to the starting end A3 of the tape on the spare roll A1, the driving assembly 41 drives the starting assembly 42 to a designated position, thereby pulling the starting end A3 of the tape on the spare roll A1 to the designated position, so that the subsequent tape splicing mechanism 30 can perform the tape splicing action.

[0041] In this way, the adhesive suction component of the starting assembly 42 is used to pick up the starting end A3 of the material strip on the spare material roll A1, thereby lifting the spare material strip A2 on the spare material roll A1. This avoids manual starting process, greatly improves the degree of automation and production efficiency, and reduces labor costs.

[0042] It should be noted that in some embodiments, the adhesive suction component can be an adhesive suction block, the surface of which uses vacuum adsorption to adsorb the tape e. In other embodiments, the adhesive suction component can also be an adhesive suction roller 421, the roller surface of which uses vacuum adsorption to adsorb the tape e.

[0043] Furthermore, in an embodiment where the adhesive suction component is an adhesive suction roller 421, the adhesive suction roller 421 is configured to rotate controllably about its own axis. Thus, after the adhesive suction roller 421 uses the adhesive tape e to pick up the starting end A3 of the material strip on the spare material roll A1, the adhesive suction roller 421 is controlled to rotate about its own axis, so that the spare material strip A2 on the spare material roll A1 is wound onto the adhesive suction roller 421. This ensures that during the process of the adhesive suction roller 421 moving the starting end A3 of the material strip to the designated position, the starting end A3 of the material strip will not detach from the adhesive suction roller 421.

[0044] Please see Figure 1 and Figure 5Furthermore, the starting mechanism also includes a glue preparation assembly 10 for providing tape e. The drive assembly 41 is also used to drive the starting assembly 42 to move to the glue preparation assembly 10. When the drive assembly 41 drives the starting assembly 42 to move to the glue preparation assembly 10, the starting assembly 42 can fix the starting end of tape e using the suction roller 421, and the suction roller 421 winds the tape e by rotating about its own axis. After the suction roller 421 winds a certain length of tape e, the glue preparation assembly 10 is controlled to cut the tape e, so that under the driving action of the drive assembly 41, the suction roller 421 can carry the tape e wound on it to move to the spare roll A1 on the unwinding mechanism 31.

[0045] It should be noted that in the prior art, a certain length of tape e is pulled out onto the suction plate using a tape-pulling mechanism, and then the pulled-out tape e is cut off. The tape e on the suction plate is then transferred to a designated position. Compared with the prior art, this embodiment uses a suction roller 421 to fix the starting end of the tape e, and then winds a certain length of tape e before cutting it, thereby achieving the pickup and transfer of the tape e. This eliminates the need for a tape-pulling mechanism to pull the tape and for the suction plate to absorb the tape, greatly saving space and resulting in a more compact structure. This makes the roll-changing device more adaptable to space-constrained working conditions.

[0046] Please see Figure 5 and Figure 6 In the embodiments of this application, the adhesive preparation assembly 10 includes a mounting base 16 and a tape unwinding assembly 11 and a cutting assembly 12, both mounted on the mounting base 16. The tape unwinding assembly 11 is used to unwind and output tape e to the cutting assembly 12. The driving assembly 41 can drive the starting assembly 42 to move downstream of the cutting assembly 12, so that the suction roller 421 of the starting assembly 42 clamps and fixes the starting end of the tape e. After the suction roller 421 fixes the starting end of the tape e, the suction roller 421 rotates around its own axis, thereby winding the tape e onto the suction roller 421. After a certain length of tape e is wound on the suction roller 421, the cutting assembly 12 cuts the passing tape e, thereby enabling the suction roller 421 to pick up a certain length of tape e.

[0047] Specifically, in this embodiment, the adhesive preparation assembly 10 further includes a first clamping assembly 13 and a second clamping assembly 14, both mounted on the mounting base plate 16. The first clamping assembly 13 is located upstream of the cutting assembly 12 and is used to clamp or release the passing tape e. The second clamping assembly 14 is located downstream of the cutting assembly 12 and is used to clamp or release the passing tape e. Thus, during the process of the adhesive suction roller 421 fixing the starting end of the tape e and winding the tape e, both the first clamping assembly 13 and the second clamping assembly 14 remain in a state of releasing the tape e, so that the tape e can be conveyed downstream and wound onto the adhesive suction roller 421 under the traction of the adhesive suction roller 421. After the adhesive suction roller 421 has wound a certain length of tape e, the adhesive suction roller 421 stops rotating, and the first clamping assembly 13 and the second clamping assembly 14 each clamp the passing tape e. Then, the cutting component 12 cuts the passing tape e, so that the suction roller 421 can carry the tape e wound on it together to the spare roll A1 on the unwinding mechanism 31.

[0048] Specifically, the cutting assembly 12 includes a cutting drive (not shown) and a cutter (not shown). The cutting drive is mounted on the mounting base plate 16, and the cutter is mounted on the drive end of the cutting drive, enabling the cutting drive to drive the cutter to perform a cutting action, thereby cutting the passing tape e. Optionally, the cutting drive can be a cylinder.

[0049] Specifically, the first clamping assembly 13 includes a first adhesive clamping drive (not shown) and two first adhesive clamping blocks (not shown). The first adhesive clamping drive is mounted on the mounting base plate 16, and the two first adhesive clamping blocks are respectively mounted on the two drive ends of the first adhesive clamping drive, with a first adhesive clamping channel formed between the two first adhesive clamping blocks for the tape e to pass through. The first adhesive clamping drive is used to drive the two first adhesive clamping blocks to clamp or release the tape e between them. Optionally, the first adhesive clamping drive can be a gripper cylinder.

[0050] Specifically, the second clamping assembly 14 includes a second adhesive clamping drive (not shown) and two second adhesive clamping blocks (not shown). The second adhesive clamping drive is mounted on the mounting base plate 16, and the two second adhesive clamping blocks are respectively mounted on the two drive ends of the second adhesive clamping drive, with a second adhesive clamping channel formed between the two second adhesive clamping blocks for the tape e to pass through. The second adhesive clamping drive is used to drive the two second adhesive clamping blocks to clamp or release the tape e between them. Optionally, the second adhesive clamping drive can be a gripper cylinder.

[0051] Furthermore, the adhesive preparation assembly 10 also includes a buffer assembly 15 mounted on the mounting base plate 16. This buffer assembly 15 is located between the cutting assembly 12 and the tape unwinding assembly 11, and is used to buffer the passing tape e. Thus, by buffering the tape e with the buffer assembly 15, during the process of the suction roller 421 winding the tape e, the buffer assembly 15 releases the tape e (i.e., the amount of buffered tape e decreases). The tape e released by the buffer assembly 15 is ultimately wound onto the suction roller 421, thereby preventing the suction roller 421 from directly pulling the tape e from the tape unwinding assembly 11 when winding the tape e, and thus preventing the tape e from being torn due to excessive tension.

[0052] Specifically, the buffer assembly 15 includes a fixed guide roller 151 and a movable guide roller 152 disposed on the mounting substrate 16. The fixed guide roller 151 is fixed in position relative to the mounting substrate 16, while the movable guide roller 152 can move closer to or away from the fixed guide roller 151 under the action of an external force. Thus, when the suction roller 421 winds the tape e, the tape e drives the movable guide roller 152 to move closer to the fixed guide roller 151, thereby reducing the length of the tape e buffered between the movable guide roller 152 and the fixed guide roller 151. When the suction roller 421 stops winding the tape e, the movable guide roller 152 moves away from the fixed guide roller 151 and resets, thereby increasing the length of the tape e buffered between the movable guide roller 152 and the fixed guide roller 151.

[0053] Furthermore, the buffer assembly 15 also includes a movable block 153 and a buffer drive 154. The movable block 153 is movably connected to the mounting base 16, and the movable roller 152 is mounted on the movable block 153, allowing the movable roller 152 to move relative to the mounting base 16 along with the movable block 153, thereby moving closer to or away from the fixed roller 151. The buffer drive 154 is mounted on the mounting base 16 and provides a driving force that causes the movable block 152 to move the movable roller 152 away from the fixed roller 151. Thus, when the adhesive roller 421 winds the tape e, the tape e drives the movable block 153 and the movable roller 152 closer to the fixed roller 151, thereby reducing the length of the tape e buffered between the movable roller 152 and the fixed roller 151. When the suction roller 421 stops winding the tape e, the movable block 153, driven by the buffer drive 154, moves the movable guide roller 152 away from the fixed guide roller 151 and resets, thereby increasing the length of the tape e buffered between the movable guide roller 152 and the fixed guide roller 151. Optionally, the buffer drive 154 can be a cylinder.

[0054] Furthermore, a fifth slide rail (not shown) is provided on the mounting base plate 16, and the movable block 153 is slidably disposed on the fifth slide rail, thereby using the fifth slide rail to guide the movement of the movable block 153 relative to the mounting base plate 16.

[0055] It should be noted that during roll changing, the splicing mechanism 30 needs to use tape e to bond the downstream cut end of the working tape and the upstream cut end of the spare tape, thus requiring the transfer of tape e to the splicing mechanism 30. In this embodiment, the starting assembly 42 provides tape e to the splicing mechanism 30, which helps to simplify the structure of the roll changing device and reduce the cost of the device.

[0056] Please see Figure 1 and Figure 4 As shown, specifically, the tape receiving mechanism 30 has an adhesive-absorbing surface f for adsorbing the tape e. The driving assembly 41 can also drive the starting assembly 42 to move to the adhesive-absorbing surface f of the tape receiving mechanism 30, so that the starting assembly 42 abuts against the adhesive-absorbing surface f via the adhesive-absorbing roller 421, thereby causing the adhesive-absorbing surface f to adsorb and fix the tape e on the adhesive-absorbing roller 421. The starting assembly 42 can also drive the adhesive-absorbing roller 421 to roll along the adhesive-absorbing surface f under the driving action of the driving assembly 41, thereby causing the tape e to be flattened and laid on the adhesive-absorbing surface f until the tape e is completely separated from the adhesive-absorbing roller 421, thus realizing the transfer of the tape e to the adhesive-absorbing surface f of the tape receiving mechanism 30.

[0057] It should also be noted that the two sides of the tape e are the adhesive side and the non-adhesive side, respectively. Therefore, the orientation of the adhesive side of the tape e wound on the suction roller 421 can be controlled by adjusting the rotation direction of the suction roller 421. That is, when the suction roller 421 is controlled to rotate in the first direction (i.e., Figure 2 When rotating counterclockwise in the illustrated embodiment, the adhesive side of the tape e wound on the suction roller 421 is located on the outer side and does not contact the suction roller 421, while the non-adhesive side is located on the inner side and contacts the roller surface of the suction roller 421. When the suction roller 421 is controlled to rotate in a second direction (opposite to the first direction), the adhesive side of the tape e wound on the suction roller 421 is located on the inner side and contacts the roller surface of the suction roller 421, while the non-adhesive side is located on the outer side and does not contact the suction roller 421.

[0058] When it is necessary to pick up the starting end A3 of the tape on the spare roll A1, the drive assembly 41 drives the starting assembly 42 to move downstream of the cutting assembly 12, so that the suction roller 421 fixes the starting end of the tape e. The suction roller 421 is controlled to rotate in the first direction of rotation until a certain length of tape e is wound onto the suction roller 421. Then, the cutting assembly 12 is controlled to cut the tape e. Then, the drive assembly 41 drives the starting assembly 42 to move to the spare roll A1 on the unwinding mechanism 31, so that the suction roller 421 presses against the starting end A3 of the tape on the spare roll A1. At this time, since the adhesive surface of the tape e on the suction roller 421 is on the outside, the tape e and the starting end A3 of the tape on the spare roll A1 are bonded and fixed to each other. Then, the suction roller 421 rotates around its own axis, thereby driving the spare tape A2 on the spare roll A1 to be wound onto the suction roller 421. Then, driven by the drive assembly 41, the suction roller 421 pulls the spare material strip A2 on the spare material roll A1 to the designated position. Finally, the tape receiving mechanism 30 fixes the spare material strip A2, and then the suction roller 421 rotates in the second direction until the starting end A3 of the spare material strip A2 and the tape e are completely separated from the suction roller 421.

[0059] When tape e needs to be transferred to the adhesive suction surface f of the tape receiving mechanism 30, the drive assembly 41 drives the starting assembly 42 to move to the adhesive preparation assembly 10, so that the adhesive suction roller 421 fixes the starting end of tape e. The adhesive suction roller 421 is controlled to rotate in the second direction of rotation until a certain length of tape e is wound onto the adhesive suction roller 421. At this time, the adhesive surface of tape e on the adhesive suction roller 421 is located on the inside. Then, the adhesive preparation assembly 10 is controlled to cut tape e. Then, the drive assembly 41 drives the starting assembly 42 to move to the adhesive suction surface f of the tape receiving mechanism 30, so that the adhesive suction roller 421 presses against the adhesive suction surface f. Then, under the driving action of the drive assembly 41, the adhesive suction roller 421 rolls along the adhesive suction surface f, and the rotation direction of the adhesive suction roller 421 is the first direction of rotation, until the tape e is completely flattened and laid on the adhesive suction surface f and completely separated from the adhesive suction roller 421. At this time, the adhesive side of tape e is away from the adhesive absorption surface f, and the non-adhesive side of tape e faces the adhesive absorption surface f and is adsorbed and fixed by the adhesive absorption surface f, so that the tape e can be pasted between the downstream cut end of the working material tape and the upstream cut end of the spare material tape A2 in the future.

[0060] Please see Figure 7 and Figure 8In embodiments of this application, the starting assembly 42 further includes a first mounting base 418, a first rotary drive member 422, and a first rotating seat 423. The first mounting base 418 is mounted on the drive end of the drive assembly 41, enabling the drive assembly 41 to drive the first mounting base 418 to move. The first rotary drive member 422 is mounted on the first mounting base 418, and the first rotating seat 423 is mounted on the drive end of the first rotary drive member 422, enabling the first rotary drive member 422 to drive the first rotating seat 423 to rotate. The aforementioned suction roller 421 is mounted on the first rotating seat 423, thereby enabling the suction roller 421 to rotate together with the first rotating seat 423.

[0061] Furthermore, the aforementioned drive assembly 41 is used to drive the first mounting base 418 to move along the first direction X1 and the second direction X2, or along the first direction X1, the second direction X2 and the third direction X3, and the first rotary drive member 422 is used to drive the first rotary seat 423 to rotate around the axis of the suction roller 421. The first direction X1, the second direction X2 and the third direction X3 intersect each other, and the third direction X3 is aligned with the axial direction of the suction roller 421. Thus, by driving the first mounting base 418 along the first direction X1 and the second direction X2, or along the first direction X1, the second direction X2 and the third direction X3, the first mounting base 418 can accurately drive the suction roller 421 to pick up the tape e at the glue preparation assembly 10, release the tape e at the glue-absorbing surface f of the tape-attaching mechanism 30, adhere the starting end A3 of the spare material roll A1 at the unwinding mechanism 31, and pull the spare material roll A2 to the designated position. The first rotary drive 422 drives the suction roller 421 to rotate around its own axis (i.e., the suction roller 421 rotates along the first or second direction of rotation), thereby realizing the winding or releasing of tape e or spare tape A2.

[0062] Preferably, the first direction X1, the second direction X2, and the third direction X3 are all perpendicular to each other. Specifically... Figure 1 In the illustrated embodiment, the first direction X1 is the left-right direction, the second direction X2 is the up-down direction, and the third direction X3 is the direction perpendicular to the paper surface. It should be noted that the third direction X3 being aligned with the axial direction of the glue-absorbing roller 421 means that the third direction X3 is approximately parallel to the axial direction of the glue-absorbing roller 421.

[0063] Specifically, the starting assembly 42 also includes a first slide 424 and a second slide 425, both disposed on the first rotating seat 423. The adhesive suction roller 421 includes a first suction half-roller 4211 mounted on the first slide 424 and a second suction half-roller 4213 mounted on the second slide 425. The surfaces of the first suction half-roller 4211 and the second suction half-roller 4213, which are facing away from each other, combine to form a roller surface for winding the tape e. The first slide 424 and the second slide 425 can controllably move the first suction half-roller 4211 and the second suction half-roller 4213 closer together or further apart to clamp or release the starting end of the tape e. Thus, when it is necessary to pick up the tape e provided by the adhesive preparation assembly 10, firstly, the first slide 424 and the second slide 425 move the first suction half-roller 4211 and the second suction half-roller 4213 away from each other. The drive assembly 41 drives the starting assembly 42 to move to the glue preparation assembly 10, so that the starting end of the tape e is inserted between the first adsorption half-roller 4211 and the second adsorption half-roller 4213. Then, the first slide block 424 and the second slide block 425 drive the first adsorption half-roller 4211 and the second adsorption half-roller 4213 to move closer to each other until the starting end of the tape e between them is clamped. Then, the first rotary drive member 422 drives the first adsorption half-roller 4211 and the second adsorption half-roller 4213 to rotate until a certain length of tape e is wound onto the first adsorption half-roller 4211 and the second adsorption half-roller 4213. Finally, the glue preparation assembly 10 is controlled to cut the tape e, thereby enabling the glue suction roller 421 to pick up a certain length of tape e. It should be noted that in this embodiment, both the first slide 424 and the second slide 425 are movable. In other embodiments, either the first slide 424 or the second slide 425 may be movable while the other remains stationary, as long as it enables the first adsorption half-roller 4211 and the second adsorption half-roller 4213 to clamp or release the starting end of the tape e. No limitation is made here. For ease of understanding, this article uses the example of both the first slide 424 and the second slide 425 being movable for illustration.

[0064] Furthermore, the surfaces of the first adsorption half-roller 4211 and the second adsorption half-roller 4213 that are opposite to each other are both adsorption surfaces h. These adsorption surfaces h are used to adsorb the tape e wound on them, preventing the tape e wound on the first adsorption half-roller 4211 and the second adsorption half-roller 4213 from becoming loose or even falling off. Optionally, the adsorption surface h can be used to adsorb and fix the tape e using vacuum adsorption. Specifically, the adsorption surface h has multiple adsorption holes, each of which is connected to an external negative pressure source. This allows the external negative pressure source to create negative pressure at each adsorption hole, thereby using this negative pressure to adsorb and fix the tape e onto the adsorption surface h.

[0065] Furthermore, the starting assembly 42 also includes a first clamping drive 426 and a second clamping drive 427, both mounted on the first rotating seat 423. The driving end of the first clamping drive 426 is connected to the first slide 424, enabling the first clamping drive 426 to drive the first slide 424 closer to or away from the second slide 425, thereby causing the first slide 424 to move the first adsorption half-roller 4211 closer to or away from the second adsorption half-roller 4213. The driving end of the second clamping drive 427 is connected to the second slide 425, enabling the second clamping drive 427 to drive the second slide 425 closer to or away from the first slide 424, thereby causing the second slide 425 to move the second adsorption half-roller 4213 closer to or away from the first adsorption half-roller 4211. Optionally, both the first clamping drive 426 and the second clamping drive 427 can be cylinders.

[0066] Thus, when the adhesive roller 421 needs to clamp the tape e at the adhesive preparation assembly 10, the first clamping drive 426 drives the first adsorption half roller 4211 to move closer to the second adsorption half roller 4213. At the same time, the second clamping drive 427 also drives the second adsorption half roller 4213 to move closer to the first adsorption half roller 4211, until the first adsorption half roller 4211 and the second adsorption half roller 4213 together clamp the tape e between them.

[0067] When the first adsorption half-roller 4211 of the adhesive suction roller 421 abuts against the adhesive suction surface f of the tape receiving mechanism 30, and it is necessary to release the tape e, the second clamping drive member 427 drives the second adsorption half-roller 4213 away from the first adsorption half-roller 4211, thereby releasing the tape e. At this time, the first clamping drive member 426 does not drive the first adsorption half-roller 4211 to move, thereby avoiding excessive pressure between the first adsorption half-roller 4211 and the adhesive suction surface f, which could damage the tape e.

[0068] When the second adsorption half-roller 4213 of the adhesive suction roller 421 abuts against the adhesive suction surface f of the tape receiving mechanism 30, and it is necessary to release the tape e, the first clamping drive member 426 drives the first adsorption half-roller 4211 away from the second adsorption half-roller 4213, thereby releasing the tape e. At this time, the second clamping drive member 427 does not drive the second adsorption half-roller 4213 to move, thereby avoiding excessive pressure between the second adsorption half-roller 4213 and the adhesive suction surface f, which could damage the tape e.

[0069] Furthermore, a first slide rail is provided on the first rotating seat 423, and both the first slide block 424 and the second slide block 425 are disposed on the first slide rail. This allows the first slide block 424 to move along the first slide rail under the driving action of the first clamping drive member 426, while the second slide block 425 can also move along the first slide rail under the driving action of the second clamping drive member 427, thereby causing the first adsorption half-roller 4211 and the second adsorption half-roller 4213 to move closer to or further away from each other, respectively. In this way, the movement of the first slide block 424 and the second slide block 425 is guided by the first slide rail, ensuring that the clamping and releasing actions of the first adsorption half-roller 4211 and the second adsorption half-roller 4213 are more accurate and reliable.

[0070] In some embodiments, the drive assembly 41 includes a drive unit 410, a third transfer seat 416, and an elastic buffer 419. The third transfer seat 416 is mounted on the drive end of the drive unit 410, and a first mounting seat 418 is movably connected to the third transfer seat 416, thereby enabling the drive unit 410 to drive the first mounting seat 418 to move via the third transfer seat 416, which in turn causes the first mounting seat 418 to drive the suction roller 421 to move together. The two ends of the elastic buffer 419 are respectively connected to the first mounting seat 418 and the third transfer seat 416, so that the elastic buffer 419 can buffer the impact on the suction roller 421. Thus, when the first mounting base 418 drives the suction roller 421 to press against the suction surface f of the tape receiving assembly 32, the first mounting base 418 can float relative to the third transfer base 416 under the action of the pressure, thereby further compressing the elastic buffer 419, thereby buffering the impact force between the suction roller 421 and the suction surface f, and avoiding hard impact between the suction roller 421 and the suction surface f that would damage the tape e.

[0071] Similarly, when the first mounting base 418 drives the suction roller 421 to press against the spare material roll A1, under the action of the pressure, the first mounting base 418 can float relative to the third transfer base 416 and further compress the elastic buffer 419, thereby buffering the impact force between the suction roller 421 and the spare material roll A1, and avoiding hard impact between the suction roller 421 and the spare material roll A1 that could damage the tape e or the spare material roll A1.

[0072] It should be noted that the elastic buffer 419 can be an elastic device that can generate buffering force, such as a cylinder or a spring. In the embodiment where the elastic buffer 419 uses a cylinder, since the buffering force output by the cylinder can remain constant and does not increase with the increase of compression, it can ensure that the pressure between the glue suction roller 421 and the glue suction surface f or the spare material roll A1 remains constant, thereby avoiding excessive or insufficient pressure.

[0073] Specifically, in the embodiments, the driving unit 410 includes a translation driving member 411 (see...). Figure 1The system comprises a first driving member 412, a first transfer seat 413, a second driving member 414, a second transfer seat 415, and a third driving member 417. The first driving member 412 is mounted on the driving end of the translation driving member 411, enabling the translation driving member 411 to drive the first driving member 412 to move along a first direction X1. The first transfer seat 413 is mounted on the driving end of the first driving member 412, enabling the first driving member 412 to drive the first transfer seat 413 to move along a third direction X3. The second driving member 414 is mounted on the first transfer seat 413, enabling the second driving member 414 to move together with the first transfer seat 413. The second transfer seat 415 is movably connected to the first transfer seat 413 along a second direction X2 and is connected to the driving end of the second driving member 414, enabling the second driving member 414 to drive the second transfer seat 415 to move relative to the first transfer seat 413 along the second direction X2. The third drive member 417 is mounted on the second transfer seat 415, enabling the third drive member 417 to move together with the second transfer seat 415. The third transfer seat 416 is movably connected to the second transfer seat 415 along a third direction X3 and is connected to the drive end of the third drive member 417, enabling the third drive member 417 to drive the third transfer seat 416 to move relative to the second transfer seat 415 along the third direction X3. The aforementioned first mounting seat 418 is movably connected to the third transfer seat 416 along a second direction X2, enabling the first mounting seat 418 to move together with the third transfer seat 416, thereby driving the adhesive suction roller 421 to move together with the third transfer seat 416.

[0074] Thus, the translational drive 411 drives the suction roller 421 to move along the first direction X1, the first drive 412 drives the suction roller 421 to move along the third direction X3, the second drive 414 drives the suction roller 421 to move along the second direction X2, the third drive 417 drives the suction roller 421 to move along the third direction X3, and the first rotational drive 422 drives the suction roller 421 to rotate around its own axis. This allows the suction roller 421 to accurately perform actions such as transferring the tape e, using the tape e to pick up the starting end A3 of the spare material roll A1, and pulling the spare material roll A2 to a designated position. It should be noted that the translational drive 411, the first drive 412, the second drive 414, and the third drive 417 can be linear drive modules such as cylinders, electric cylinders, or synchronous belt drive mechanisms, as long as they can achieve accurate movement of the suction roller 421; no limitation is made here.

[0075] Furthermore, a second slide rail is provided on the first transfer seat 413, which extends longitudinally along the second direction X2. The second transfer seat 415 is slidably disposed on the second slide rail, thereby guiding the movement of the second transfer seat 415 relative to the first transfer seat 413 along the second direction X2.

[0076] Furthermore, a third slide rail is provided on the second transfer seat 415, which extends longitudinally along the third direction X3. The third transfer seat 416 is slidably disposed on the third slide rail, thereby guiding the movement of the third transfer seat 416 relative to the second transfer seat 415 along the third direction X3.

[0077] Furthermore, a fourth slide rail is provided on the third transfer seat 416, which extends longitudinally along the second direction X2. The first mounting seat 418 is slidably mounted on the fourth slide rail, thereby guiding the movement of the first mounting seat 418 relative to the third transfer seat 416 along the second direction X2 using the fourth slide rail.

[0078] Based on the aforementioned rewinding device, this application also provides a winding apparatus, which includes a winding device and a rewinding device as described in any of the above embodiments. The rewinding device is used to unwind the working strip output from the winding device, and the winding device is used to wind the working strip output from the rewinding device to form a battery cell. It should be noted that the working strip can be a positive electrode sheet or a negative electrode sheet, and of course, it can also be other types of strips, which are not limited here.

[0079] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0080] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A starting mechanism characterized by, The application relates to a tape starting device. The tape starting device comprises: a starting assembly (42) provided with a tape suction member for sucking a tape (e); and 2. A starting mechanism according to claim 1, characterised in that a driving assembly (41) connected with the starting assembly (42) and used for driving the starting assembly (42) to move to a standby roll (A1), so that the tape suction member can abut against the standby roll (A1) to make the tape (e) on the tape suction member adhere to a starting end (A3) of a tape (A2) on the standby roll (A1).

3. A starting mechanism according to claim 2, characterised in that The tape suction member is a tape suction roller (421) which can be controlled to rotate around its axis to drive the tape (A2) on the standby roll (A1) to be wound on the tape suction roller (421). The starting mechanism further comprises a tape preparation assembly (10), and the driving assembly (41) is further used for driving the starting assembly (42) to move to the tape preparation assembly (10); 4. A starting mechanism according to claim 2 or 3, characterised in that At the tape preparation assembly (10), the starting assembly (42) can use the tape suction roller (421) to fix the starting end of the tape (e) and wind the tape (e), and the tape preparation assembly (10) can be controlled to cut the tape (e).

5. A starting mechanism according to claim 4, characterised in that The starting assembly (42) comprises a first mounting base (418), a first rotating driving member (422) and a first rotating seat (423), the first mounting base (418) is mounted on a driving end of the driving assembly (41), the driving assembly (41) is used for driving the first mounting base (418) to move, the first rotating driving member (422) is mounted on the first mounting base (418), the first rotating seat (423) is mounted on a driving end of the first rotating driving member (422), and the tape suction roller (421) is mounted on the first rotating seat (423). The starting assembly (42) further comprises a first sliding seat (424) and a second sliding seat (425) which are both arranged on the first rotating seat (423), the tape suction roller (421) comprises a first suction half roller (4211) mounted on the first sliding seat (424) and a second suction half roller (4213) mounted on the second sliding seat (425), and surfaces, which are away from each other, of the first suction half roller (4211) and the second suction half roller (4213) are combined to form a roller surface for winding the tape (e); 6. A starting mechanism according to claim 5, characterised in that The first sliding seat (424) can be controlled to drive the first suction half roller (4211) to be close to or away from the second suction half roller (4213), and / or the second sliding seat (425) can be controlled to drive the second suction half roller (4213) to be close to or away from the first suction half roller (4211). The surfaces, which are away from each other, of the first suction half roller (4211) and the second suction half roller (4213) are both suction surfaces (h) for sucking the tape (e) arranged on the suction surfaces (h).

7. A starting mechanism according to claim 5, wherein The starting component (42) further comprises a first clamping driving element (426) mounted on the first rotating seat (423), a driving end of the first clamping driving element (426) being connected with the first sliding seat (424) to drive the first sliding seat (424) to move close to or away from the second sliding seat (425); and / or The starting component (42) further comprises a second clamping driving element (427) mounted on the first rotating seat (423), a driving end of the second clamping driving element (427) being connected with the second sliding seat (425) to drive the second sliding seat (425) to move close to or away from the first sliding seat (424).

8. A starting mechanism according to claim 4, wherein The driving assembly (41) comprises a driving unit (410), a third moving seat (416) and an elastic buffer (419), the third moving seat (416) being mounted on a driving end of the driving unit (410), the first mounting seat (418) being movably connected on the third moving seat (416), and two ends of the elastic buffer (419) being connected with the first mounting seat (418) and the third moving seat (416) respectively.

9. A starting mechanism according to claim 4, wherein The driving assembly (41) is used to drive the first mounting seat (418) to move along a first direction (X1) and a second direction (X2), or along the first direction (X1), the second direction (X2) and a third direction (X3); wherein the first direction (X1), the second direction (X2) and the third direction (X3) intersect with each other, and the third direction (X3) is consistent with an axial direction of the glue suction roller (421).

10. A starting mechanism according to claim 8, wherein The driving unit (410) comprises a translation driving element (411), a first driving element (412), a first moving seat (413), a second driving element (414), a second moving seat (415) and a third driving element (417); The first driving element (412) is mounted on a driving end of the translation driving element (411), the first moving seat (413) is mounted on a driving end of the first driving element (412), the second driving element (414) is mounted on the first moving seat (413), the second moving seat (415) is movably connected on the first moving seat (413) along the second direction (X2) and connected with a driving end of the second driving element (414), the third driving element (417) is mounted on the second moving seat (415), the third moving seat (416) is movably connected on the second moving seat (415) along the third direction (X3) and connected with a driving end of the third driving element (417); The translation driving element (411) is used to drive the first driving element (412) to move along the first direction (X1), and the first driving element (412) is used to drive the first moving seat (413) to move along the third direction (X3).

11. A roll changing device, characterized by The starting mechanism comprises the starting mechanism according to any one of claims 1 to 10.

12. A winding apparatus characterized by comprising: The roll changing device comprises the roll changing device according to claim 11.

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