Protection device for transferring rolled and rolled pole pieces

Abstract

The utility model relates to the technical field of battery manufacturing, in particular to a protection device for roll bundle rolling pole piece transfer, which is applied to a pole piece roll assembly, the pole piece roll assembly comprises a pole piece and a reel, the pole piece is wound outside the reel to form a pole piece roll, and a tab cluster is formed at the end part of the pole piece roll along the length direction of the reel. The end part of the reel exceeds the tab cluster to form an exposed end, and the protection device for transferring the rolled and rolled pole piece comprises a main body which is arranged at the exposed end of the reel. The two ends of a horizontally arranged pole piece roll assembly can be respectively provided with two protection devices for transferring the roll bundle rolling pole pieces, and the main body of each protection device for transferring the roll bundle rolling pole pieces is located on the outer side of the tab cluster of the corresponding pole piece roll, so that the effect of protecting tabs on the two sides is achieved, the damage to the tabs is avoided, and the quality of the pole pieces is improved. The yield of products is improved, and the cost is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of battery manufacturing, and in particular to a protective device for transporting rolled electrode sheets. Background Art

[0002] At present, the positive electrode, negative electrode, separator and electrolyte are all important components of the battery. In the preparation process of the battery cell, since the mixing, coating, rolling, slitting, die-cutting and lamination processes are completed in different workshops, according to the above process, the coated positive and negative electrode sheet roll assemblies need to be first transported to the rolling process workshop (wherein the electrode sheet roll assembly is formed by winding the electrode sheet on the reel) and then continue processing. However, in the process of packing and transporting the positive and negative electrode sheets, it is inevitable that they will touch the pole ears at the ends of the pole sheet roll assemblies, causing damage to the pole ears. Utility Model Content

[0003] The purpose of the present application is to provide a protective device for the transportation of rolled electrode sheets, which to a certain extent solves the technical problem in the prior art that a device is urgently needed to protect the electrode ears of the positive and negative electrode sheets during transportation.

[0004] The present application provides a protective device for transporting rolled pole pieces, which is applied to a pole piece roll assembly, wherein the pole piece roll assembly includes a pole piece and a reel, wherein the pole piece is wound on the outside of the reel to form a pole piece roll, and along the length direction of the reel, a pole ear cluster is formed at the end of the pole piece roll, and the end of the reel exceeds the pole ear cluster to form an exposed end, and the protective device for transporting rolled pole pieces includes a main body, which is installed on the exposed end of the reel.

[0005] In the above technical solution, further, when the reel of the pole piece roll assembly is placed horizontally, along the vertical direction, the bottom of the main body has a planar structure and is lower than the bottom of the pole piece roll.

[0006] In any of the above technical solutions, further, the cross-section of the main body along the length direction perpendicular to the scroll axis is a regular hexagon.

[0007] In any of the above technical solutions, further, when the reel of the pole piece roll assembly is placed horizontally, along the vertical direction, the bottom of the main body is higher than the bottom of the pole piece roll; the protective device for the bundle roller pressed pole piece transportation also includes a heightening component, and at least at least one of the heightening components is provided at the bottom of the main body, and when the number of the heightening components is multiple, the multiple heightening components are connected sequentially along the radial direction of the pole piece roll.

[0008] In any of the above technical solutions, further, the bottom of the heightening component which is at the largest distance from the bottom of the main body has a planar structure.

[0009] In any of the above technical solutions, further, when the heightening component is connected to the main body, the main body and one of the heightening components form a first plug-in protrusion, the main body and the other of the heightening components form a first plug-in hole, and the first plug-in protrusion is plugged into the first plug-in hole.

[0010] In any of the above technical solutions, further, when two adjacent heightening components are connected, one of the two heightening components is formed with a first plug-in protrusion, the other of the two heightening components is formed with a first plug-in hole, and the first plug-in protrusion is plugged into the first plug-in hole.

[0011] In any of the above technical solutions, further, the protection device for transporting the electrode sheet of the winding roller also includes a first press-in spring positioning bead screw, the first press-in spring positioning bead screw is arranged on the first plug-in protrusion, and the first positioning bead of the first press-in spring positioning bead screw is exposed on the first plug-in protrusion, and the first positioning bead can move;

[0012] The main body or the heightened component is formed with a first limiting hole, and the first limiting hole is communicated with the first plug-in hole. When the first plug-in protrusion is assembled with the first plug-in hole, the first positioning bead of the first press-in spring positioning bead screw moves into the first limiting hole.

[0013] In any of the above technical solutions, further, the protective device for the transport of the rolled electrode sheet also includes a first elastic button, the first elastic button includes a first spring and a first pressing portion connected to each other, the first spring is arranged in the first limiting hole, and one end of the first limiting hole passes through the main body or the heightening component, and the first pressing portion is exposed at the opening end of the first limiting hole.

[0014] In any of the above technical solutions, further, the cross section of the main body along the length direction perpendicular to the scroll axis is a regular hexagon;

[0015] Each side of the main body corresponding to the regular hexagon is equipped with at least one heightening component to form at least one ring hexagonal structure centered on the scroll.

[0016] In any of the above technical solutions, further, the main body includes two supporting members, one of which is used to be installed on one side of the exposed end of the reel, and the other of which is used to be installed on the other side opposite to the exposed end of the reel, and the two supporting members are connected; along the length direction of the reel, a protective gap is formed between any of the supporting members and the pole ear cluster.

[0017] In any of the above technical solutions, further, the two supporting members are detachably connected.

[0018] In any of the above technical solutions, further, one of the two supporting members is formed with a second plug-in protrusion, the other of the two supporting members is formed with a second plug-in hole, and the second plug-in protrusion is plugged into the second plug-in hole.

[0019] In any of the above technical solutions, further, the protection device for the transfer of the winding roller electrode sheet further includes a second press-in spring positioning bead screw, the second press-in spring positioning bead screw is arranged on the second plug-in protrusion, and the second positioning bead of the second press-in spring positioning bead screw is exposed on the second plug-in protrusion, and the second positioning bead can move;

[0020] The support member is formed with a second limiting hole, and the second limiting hole is connected to the second plug-in hole. When the second plug-in protrusion is assembled with the second plug-in hole, the second positioning bead of the second press-in spring positioning bead screw moves into the second limiting hole.

[0021] In any of the above technical solutions, further, the protective device for transporting the rolled pole piece also includes a second elastic button, the second elastic button includes a second spring and a second pressing portion connected to each other, the second spring is arranged in the second limiting hole, and one end of the second limiting hole passes through the supporting member, and the second pressing portion is exposed at the opening end of the second limiting hole.

[0022] Compared with the prior art, the beneficial effects of this application are:

[0023] Two protective devices for the transportation of rolled pole sheets provided in the present application can be installed at both ends of the horizontally placed pole sheet roll assembly, and the main body of each protective device for the transportation of rolled pole sheets can be located on the outside of the pole ear cluster of the corresponding pole sheet roll, thereby protecting the pole ears on both sides and avoiding damage to the pole ears, thereby improving the product yield and helping to reduce costs.

[0024] In addition, the main body is composed of two detachably connected supporting members, which is convenient for installation and disassembly.

[0025] In addition, the protective cover device is also equipped with a heightening component, which can be installed on the periphery of the main body according to the radius of the pole piece roll, so that the pole piece roll can be lifted and separated from the inner bottom wall of the box, thereby not crushing the pole piece. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the specific implementation methods of the present application or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0027] Figure 1 A schematic diagram of the structure of the subject provided in the embodiment of the present application;

[0028] Figure 2 A schematic diagram of the exploded structure of the main body provided in the embodiment of the present application;

[0029] Figure 3 An assembly diagram of the main body provided for the embodiment of the present application;

[0030] Figure 4 An exploded view of a protective device for transporting a bundled roller-pressed electrode sheet provided in an embodiment of the present application;

[0031] Figure 5 An exploded view of a main body and a reinforcing member provided in an embodiment of the present application;

[0032] Figure 6 An assembly diagram of a main body and a reinforcing member provided in an embodiment of the present application;

[0033] Figure 7 A schematic diagram of the assembly of a protective device for transporting a bundled roller-pressed electrode and an electrode roll assembly provided in an embodiment of the present application;

[0034] Figure 8 A schematic diagram of the structure of a protective device for transporting electrode sheets by winding a bundle of rollers provided in an embodiment of the present application;

[0035] Fig. 9 An assembly diagram of a protective device for transporting a bundled roller-pressed electrode and an electrode roll assembly provided in an embodiment of the present application;

[0036] Fig.10 This is an assembly diagram of the second press-in spring positioning bead screw and the second elastic button provided in an embodiment of the present application.

[0037] Reference numerals:

[0038] 1-main body, 11-support member, 111-second plug-in protrusion, 112-second plug-in hole, 12-installation through hole, 2-heightening member, 3-1st first plug-in protrusion, 4-1st first plug-in hole, 5-1st first press-in spring positioning bead screw, 51-1st first sleeve, 52-1st first return spring, 53-1st first positioning bead, 6-1st first elastic button, 7-second press-in spring positioning bead screw, 8-second elastic button, 81-second spring, 82-second pressing part, 9-2nd first plug-in hole, 10-2nd first elastic button, 100-protection device for rolling and pressing pole piece transportation, 200-pole piece roll assembly, 201-pole piece roll, 2011-pole ear cluster, 202-exposed end. DETAILED DESCRIPTION

[0039] The technical solution of the present application will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments.

[0040] The components of the embodiments of the present application generally described and shown in the drawings herein can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application claimed, but merely represents the selected embodiments of the present application.

[0041] Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of this application.

[0042] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying 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 limiting the present application. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0043] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 this application can be understood according to specific circumstances.

[0044] Refer to the following Figures 1 to 10 A protective device 100 for transporting rolled pole pieces according to some embodiments of the present application is described.

[0045] Embodiment 1

[0046] See also Figure 1 and Fig. 9 As shown, the embodiment of the present application provides a protective device 100 for winding and rolling pole pieces for transportation, which is applied to a pole piece roll assembly 200, wherein the pole piece roll assembly 200 includes a pole piece and a reel, wherein a pole piece roll 201 is wound around the outside of the reel to form a pole piece roll 201, and along the length direction of the reel, a pole ear cluster 2011 is formed at the end of the pole piece roll 201, and preferably, pole ear clusters 2011 are formed at both left and right ends of the pole piece roll 201, and both ends of the reel exceed the corresponding pole ear clusters 2011 to form left and right exposed ends 202, and preferably, each exposed end 202 is provided with a protective device 100 for winding and rolling pole pieces for transportation as described below;

[0047] The protective device 100 for transporting a rolled electrode comprises a main body 1 which is an integrated structure and is mounted on an exposed end 202 of a reel.

[0048] Based on the structure described above, it can be known that two protective devices 100 for winding and rolling the pole pieces for transportation are respectively installed at both ends of the horizontally placed pole piece roll assembly 200, and the main body 1 of each protective device 100 for winding and rolling the pole pieces for transportation is located on the outside of the pole ear cluster 2011 of the corresponding pole piece roll 201, thereby protecting the pole ears on both sides and avoiding pole ear damage, thereby improving the product yield and helping to reduce costs.

[0049] Further, preferably, a mounting through hole 12 is opened in the center of the main body 1, and the main body 1 can be sleeved on the exposed end 202 of the reel through the mounting through hole 12, and the main body 1 and the reel are interference fit or adapted. Of course, it is not limited to this, and other assembly structures can also be used, for example: the main body 1 can be bonded to the exposed end 202 of the reel, etc., and the specific design is based on actual needs.

[0050] Further, preferably, the main body 1 and the tab cluster 2011 may be in contact with each other or a gap may be formed between them, which is specifically designed according to actual needs.

[0051] In this embodiment, preferably, Figures 1 to 3 As shown, when the reel of the pole piece roll assembly 200 is placed horizontally, along the vertical direction, the bottom of the main body 1 has a planar structure and is lower than the bottom of the pole piece roll 201.

[0052] According to the structure described above, the main body 1 can lift the pole piece roll 201 and separate it from the bottom wall of the box, so that the bottom of the pole piece roll 201 is not compressed, thereby avoiding damage to the bottom of the pole piece roll 201, and the bottom of the main body 1 has a planar structure, which makes the bottom of the main body 1 more stable when in contact with the bottom wall of the box, and will not cause problems such as tilting.

[0053] In this embodiment, preferably, Figure 1 As shown, the cross section of the main body 1 along the length direction perpendicular to the reel is a regular hexagon.

[0054] According to the structure described above, the main body 1 has six flat support surfaces, each of which can serve as a support bottom to contact the horizontal inner bottom wall of the box, thereby playing a role in stably supporting the pole piece roll assembly 200 so that it will not roll in the box, thereby avoiding damage to the pole piece, making it safer and more reliable, thereby reducing the assembly requirements of the main body 1 and the exposed end 202 of the reel.

[0055] It should be noted that the shape of the main body 1 is not limited to a hexagon, it can also be other shapes, as long as its bottom has a planar structure. The plane of the bottom of the main body 1 is stably matched with the horizontal inner bottom wall of the box, so that the pole piece roll assembly 200 will not roll as a whole. For example, the shape of the main body 1 can be a pentagonal block, a quadrilateral block, etc., or a circular block with a planar structure at the bottom.

[0056] Embodiment 2

[0057] See also Figure 2 and Figure 3 As shown, the protective device 100 for transporting the rolled electrode sheet in this embodiment is an improvement on the first embodiment, and the technical contents disclosed in the first embodiment are not described repeatedly, and the contents disclosed in the first embodiment also belong to the contents disclosed in this embodiment.

[0058] See also Figure 2 and Figure 3 As shown, the embodiment of the present application provides a protective device 100 for winding and rolling pole pieces for transportation, which is applied to a pole piece roll assembly 200, wherein the pole piece roll assembly 200 includes a pole piece and a reel, wherein a pole piece roll 201 is wound around the outside of the reel to form a pole piece roll 201, and along the length direction of the reel, a pole ear cluster 2011 is formed at the end of the pole piece roll 201, and preferably, pole ear clusters 2011 are formed at both left and right ends of the pole piece roll 201, and both ends of the reel exceed the corresponding pole ear clusters 2011 to form left and right exposed ends 202, and preferably, each exposed end 202 is provided with a protective device 100 for winding and rolling pole pieces for transportation as described below;

[0059] The protective device 100 for transporting rolled pole pieces includes a main body 1, which includes two supporting members 11, wherein one supporting member 11 is used to be installed on one side of the exposed end 202 of the reel, and the other supporting member 11 is used to be installed on the other side opposite to the exposed end 202 of the reel, and the two supporting members 11 are connected, that is, the main body 1 is a split structure and is assembled together with the reel, and preferably, a first mounting through hole is opened on the side of the support member 11, a second mounting through hole is opened on the side of the support member 11, and the first mounting through hole and the second mounting through hole form the aforementioned mounting through hole 12.

[0060] Based on the structure described above, it can be known that two protective devices 100 for transporting the pole pieces by winding bundles and rollers are respectively installed at both ends of the horizontally placed pole piece roll assembly 200, and for each protective device 100 for transporting the pole pieces by winding bundles and rollers, two supporting members 11 can be installed on both sides of the exposed end 202 of the reel, and the two supporting members 11 are connected. Then, when the pole piece roll 201 is placed horizontally, that is, the reel is parallel to the horizontal direction, the two supporting members 11 are located on the outside of the pole ear cluster 2011, that is, they play a role in protecting the pole ears, avoiding pole ear damage, improving the product yield, and helping to reduce costs.

[0061] In this embodiment, preferably, Figure 2 and Figure 3 As shown, when the reel of the pole piece roll assembly 200 is placed horizontally, that is, the reel is parallel to the horizontal direction, along the vertical direction, the bottoms of the two support members 11 are lower than the bottom of the pole piece roll 201, and the bottoms of the two support members 11 have a planar structure and are arranged flush with each other.

[0062] According to the structure described above, the two supporting members 11 can lift the pole piece roll 201 and separate it from the bottom wall of the box, that is, the bottom of the pole piece roll 201 is not compressed, thereby avoiding damage to the bottom of the pole piece roll 201, and the bottoms of the two supporting members 11 have a planar structure and are arranged flush with each other, so that the bottoms of the two supporting members 11 are more stable when in contact with the bottom wall of the box, and no problems such as tilting will occur.

[0063] In this embodiment, preferably, Figure 2 and Figure 3 As shown, the cross section of the main body 1 along the length direction perpendicular to the reel is a regular hexagon.

[0064] According to the structure described above, the two support members 11 form a regular hexagonal block after docking, which has six horizontal support surfaces, each of which can serve as a support bottom to contact the horizontal inner bottom wall of the box, thereby playing a role in stably supporting the pole piece roll assembly 200, so that it will not roll in the box, thereby avoiding damage to the pole piece, making it safer and more reliable, thereby reducing the assembly requirements of the support member 11 and the exposed end 202 of the reel.

[0065] Further, preferably, Figure 2 and Figure 3 As shown, the two support members 11 are symmetrically arranged to facilitate processing, manufacturing and assembly. Of course, this is not limited to this. The two support members 11 can also be asymmetrically arranged, depending on actual needs.

[0066] Further, preferably, Figure 2 and Figure 3 As shown, for the regular hexagonal main body 1, the line connecting the midlines of the two parallel sides is used as the dividing line to divide the main body 1 into two supporting members 11. Of course, it is not limited to this, for example: the diagonal line can also be used as the dividing line to divide the main body 1 into two supporting members 11, etc., which is selected according to actual needs. In this embodiment, preferably, as Figure 2 and Figure 3 As shown, one of the two supporting members 11 is formed with a second inserting protrusion 111 , and the other of the two supporting members 11 is formed with a second inserting hole 112 , and the second inserting protrusion 111 is inserted into the second inserting hole 112 .

[0067] According to the structure described above, the two supporting members 11 are connected together by the cooperation between the second plugging protrusion 111 and the second plugging hole 112 , and this is a detachable connection method, which is convenient for installation and disassembly.

[0068] In this embodiment, preferably, Figure 2 and Fig.10 As shown, the protection device 100 for transporting the electrode sheet by the winding roller further includes a second press-in spring positioning bead screw 7, which is arranged on the second plug-in protrusion 111, and the second positioning bead of the second press-in spring positioning bead screw 7 is exposed on the second plug-in protrusion 111, and the second positioning bead can move;

[0069] The support member 11 is formed with a second limiting hole, and the second limiting hole is connected to the second plug hole 112. When the second plugging protrusion 111 is assembled with the second plug hole 112, the second positioning bead of the second press-in spring positioning bead screw 7 moves into the second limiting hole.

[0070] Further, preferably, the second press-in spring positioning bead screw 7 includes a second sleeve, a second spring 81 and a second positioning bead, and the second positioning bead is connected to the second spring 81 and installed in the second sleeve, and the second positioning bead is exposed at the opening end of the second sleeve when no external force is applied. It should be noted that the second press-in spring positioning bead screw 7 is a component frequently used in the prior art and will not be described in detail here.

[0071] According to the structure described above, it can be known that when the second plug-in protrusion 111 is assembled with the second plug-in hole 112, under the pressure of the hole wall of the second plug-in hole 112, the second positioning bead moves downward and enters into the second sleeve. When the second plug-in protrusion 111 and the second plug-in hole 112 are assembled in place, due to the lack of pressure from the hole wall of the second plug-in hole 112, the second positioning bead will be reset under the action of the second spring 81, and the second positioning bead will enter into the second limiting hole, thereby limiting the second plug-in protrusion 111, so that the second plug-in protrusion 111 will not fall out of the second plug-in hole 112, and the two support members 11 can be assembled more firmly and stably.

[0072] In this embodiment, preferably, Figure 2 and Fig.10 As shown, the protective device 100 for transporting the rolled electrode sheet also includes a second elastic button 8, which includes a second spring 81 and a second pressing portion 82 connected to each other. The second spring 81 is arranged in the second limiting hole, and one end of the second limiting hole passes through the supporting member 11, and the second pressing portion 82 is exposed at the opening end of the second limiting hole.

[0073] According to the structure described above, when the two support members 11 need to be disassembled, it is only necessary to press the second pressing portion 82 into the second limiting hole, and the second pressing portion 82 will push the second spring 81 to move into the second limiting hole, and the second spring 81 will push the second positioning bead toward the second plug hole 112 until the second positioning bead completely leaves the second limiting hole, thereby releasing the limiting effect, and pulling the two support members 11 in opposite directions, so that the two support members 11 are separated. It can be seen that the above unlocking operation is simple, convenient, and time-saving and labor-saving.

[0074] Further, preferably, Fig.10 As shown, the number of second positioning beads can be two, and they are respectively connected to the two ends of the second spring 81. Correspondingly, both ends of the sleeve are open, and the two second positioning beads are respectively exposed at the two end openings of the sleeve. On this basis, two second elastic buttons 8 need to be provided, and the two second elastic buttons 8 are respectively designed on both sides of the supporting member 11. Of course, it is not limited to this, and only one second positioning bead and one second elastic button 8 can be designed, which is specifically designed according to actual needs.

[0075] Embodiment 3

[0076] See also Figures 4 to 7 As shown, the protective device 100 for transporting the rolled electrode sheet in this embodiment is an improvement on the second embodiment, and the technical contents disclosed in the second embodiment are not described repeatedly, and the contents disclosed in the second embodiment also belong to the contents disclosed in this embodiment.

[0077] In this embodiment, preferably, Figures 4 to 7 As shown, when the reel of the pole piece roll assembly 200 is placed horizontally, that is, the reel is parallel to the horizontal direction, along the vertical direction, the bottoms of the two supporting members 11 are higher than the bottom of the pole piece roll 201; the protective device 100 for rolling and pressing pole pieces for transportation also includes a heightening member 2, the cross-section of the main body 1 along the length direction perpendicular to the reel is a regular hexagon, and each side of the main body 1 corresponding to the regular hexagon is equipped with a heightening member 2 to form a ring hexagonal structure with the reel as the center, and the projection of the new regular hexagonal deformed block or plate surrounded by the main body 1 and multiple heightening members 2 along the reel direction must exceed the projection of the pole piece roll 201, so that the pole piece roll 201 can be lifted.

[0078] Further, preferably, a side of each heightening member 2 facing away from the main body 1 has a planar structure.

[0079] According to the structure described above, two protective devices 100 for rolling and pressing the pole piece for transportation are installed at both ends of the horizontally placed pole piece roll assembly 200, and for each protective device 100 for rolling and pressing the pole piece for transportation, when the bottoms of the two supporting members 11 are higher than the bottom of the pole piece roll 201, the bottom of the pole piece roll 201 cannot be lifted, so that the bottom of the pole piece roll 201 contacts the inner bottom wall of the box, which will wear the pole piece, and thus six heightening members 2 are provided as in the present application, and six heightening members 2 are provided. The components 2 are respectively arranged corresponding to the two sides of the main body 1, so that along the length direction of the reel, the main body 1 and the six heightened components 2 form a new hexagonal block, and the projection area of ​​the new hexagonal block is completely larger than the projection area of ​​the pole piece roll 201, and the projection of the structure composed of the body and the six heightened components 2 completely covers the projection of the pole piece roll 201, so that the pole piece roll 201 can be lifted again, so that the pole piece roll 201 is separated from the inner bottom wall of the box, thereby playing a role in protecting the pole piece.

[0080] In addition, the new hexagonal block has six flat support surfaces, each of which can serve as a supporting bottom to contact the horizontal inner bottom wall of the box, thereby playing a role in stably supporting the pole piece roll assembly 200 so that it will not roll in the box, thereby avoiding damage to the pole piece, making it safer and more reliable.

[0081] Further, preferably, Figures 4 to 6 As shown, the heightening member 2 is an isosceles trapezoidal block or a plate-like structure, and its waist length is equal to the length of the upper base. Of course, it is not limited to this.

[0082] In this embodiment, preferably, Figures 4 to 6 As shown, when the heightening component 2 is connected to the main body 1, the heightening component 2 forms a first plug-in protrusion, i.e., the first plug-in protrusion No. 1 3, and the main body 1 forms a first plug-in hole, i.e., the first plug-in hole No. 1 4, and the first plug-in protrusion No. 1 3 is plugged into the first plug-in hole No. 1 4.

[0083] According to the structure described above, it can be known that through the cooperation of the first plug-in protrusion No. 1 3 and the first plug-in hole No. 1 4, the heightening component 2 is connected to the main body 1, thereby increasing the height of the bottom of the main body 1, so that the bottom of the pole piece roll 201 can be separated from the inner wall of the box. It can be seen that this solution of heightening the bottom of the main body 1 according to the diameter size of the pole piece roll 201 has a wider range of applications.

[0084] Further, preferably, the two supporting members 11 included in the main body 1 are both provided with a No. 1 first plug-in hole 4, so that the two supporting members 11 can be plugged into the heightening member 2, making the whole more solid. Of course, it is not limited to this and can also be designed according to actual needs.

[0085] It should be noted that: not limited to the above, other structures can also be used, for example: a first plug-in protrusion 3 No. 1 is set on the main body 1, and a first plug-in hole 4 No. 1 is set on the heightening component 2. Of course, this is just an example and is not limited to this. The specific design is based on actual needs.

[0086] In this embodiment, preferably, Figures 4 to 6 As shown, the protection device 100 for transporting the electrode sheet by the winding roller also includes a first press-in spring positioning bead screw, that is, a No. 1 first press-in spring positioning bead screw 5, the No. 1 first press-in spring positioning bead screw 5 is arranged on the No. 1 first plug-in protrusion 3, and the No. 1 first positioning bead 53 of the No. 1 first press-in spring positioning bead screw 5 is exposed on the No. 1 first plug-in protrusion 3, and the No. 1 first positioning bead 53 can move;

[0087] The main body 1 is formed with a first limiting hole, namely, the first limiting hole No. 1, and the first limiting hole No. 1 is connected to the first plug-in hole No. 1 4. When the first plug-in protrusion No. 1 3 and the first plug-in hole No. 1 4 are assembled in place, the first positioning bead of the first press-in spring positioning bead screw, namely, the first positioning bead No. 1 53, moves into the first limiting hole No. 1.

[0088] Further, preferably, the first press-in spring positioning bead screw includes a first sleeve, namely, No. 1 first sleeve 51, a first return spring, namely, No. 1 first return spring 52, and a first positioning bead, namely, No. 1 first positioning bead 53, and the No. 1 first positioning bead 53 is connected to the No. 1 first return spring 52 and installed in the No. 1 first sleeve 51. When not subjected to external force, the No. 1 first positioning bead 53 is exposed at the open end of the No. 1 first sleeve 51. It should be noted that the first press-in spring positioning bead screw is a frequently used part in the prior art and will not be described in detail here.

[0089] According to the structure described above, it can be known that when the first plug-in protrusion 3 No. 1 and the first plug-in hole 4 are assembled, under the pressure of the hole wall of the first plug-in hole 4, the first positioning bead 53 No. 1 moves downward and enters into the first sleeve 51 No. 1. When the first plug-in protrusion 3 No. 1 and the first plug-in hole 4 are assembled in place, due to the lack of the pressure of the hole wall of the first plug-in hole 4, the first positioning bead 53 No. 1 will be reset under the action of the first reset spring 52, and the first positioning bead 53 No. 1 will enter into the first limiting hole No. 1, thereby limiting the first plug-in part, so that the first plug-in part will not fall out of the first plug-in hole 4 No. 1, and the two support members 11 are assembled more firmly and stably.

[0090] In this embodiment, preferably, Figures 4 to 6 As shown, the protective device 100 for transporting the rolled electrode sheet also includes a first elastic button, namely, the first elastic button No. 1 6, and the first elastic button No. 1 6 includes a first spring, namely, the first spring No. 1, and a first pressing portion, namely, the first pressing portion No. 1, which are connected to each other. The first spring No. 1 is arranged in the first limiting hole No. 1, and one end of the first limiting hole No. 1 passes through the main body 1, and the first pressing portion No. 1 is exposed at the opening end of the first limiting hole No. 1.

[0091] According to the structure described above, when the two support members 11 need to be disassembled, it is only necessary to press the first pressing part No. 1 into the first limiting hole No. 1, and the first pressing part No. 1 will push the first spring No. 1 to move into the first limiting hole No. 1, and the first spring No. 1 will push the second positioning bead toward the first plug-in hole No. 1 4, until the first positioning bead No. 1 completely leaves the first limiting hole No. 1, thereby releasing the limiting effect, and pulling the heightening member 2 in the direction away from the support member 11, so that the heightening member 2 is separated from the support member 11. It can be seen that the unlocking operation described above is simple and convenient, saving time and effort.

[0092] It should be noted that: it is not limited to setting a heightening component 2 on each side of the main body 1. As long as a heightening component 2 is designed at the bottom, it is ok to design a heightening component 2 on the side.

[0093] In addition, it is not limited to designing one heightening component 2 on each side of the main body 1. It needs to be designed according to the specific radius size of the pole piece roll 201. For example: when only one heightening component 2 is designed on each side of the main body 1 and the pole piece roll 201 cannot be lifted off the inner bottom wall of the box, it is necessary to add another circle of heightening components 2. In other words, multiple heightening components 2 are arranged on each side of the main body 1, and the multiple heightening components 2 are connected sequentially along the radial direction of the pole piece roll 201.

[0094] When a plurality of heightening components 2 are provided on each side of the main body 1, and the plurality of heightening components 2 are sequentially connected along the radial direction of the pole piece roll 201, the plurality of heightening components 2 are sequentially connected along the radial direction of the pole piece roll 201, preferably, as Figure 8 As shown, when there are multiple heightening components 2, the multiple heightening components 2 are connected in sequence along the radial direction of the pole piece roll 201. When two adjacent heightening components 2 are connected, one of the two heightening components 2 is formed with a first plug-in protrusion, that is, the first plug-in protrusion No. 2, and the other of the two heightening components 2 is formed with a first plug-in hole, that is, the first plug-in hole No. 2 9, and the first plug-in protrusion No. 2 is plugged into the first plug-in hole No. 2 9, thereby realizing the connection between the two heightening components 2.

[0095] Further, preferably, the protection device 100 for transporting the electrode sheet by the winding roller further includes a first press-in spring positioning bead screw, that is, a No. 2 first press-in spring positioning bead screw, the No. 2 first press-in spring positioning bead screw is arranged on the No. 2 first plug-in protrusion, and the No. 2 first positioning bead of the No. 2 first press-in spring positioning bead screw is exposed on the No. 2 first plug-in protrusion, and the No. 2 first positioning bead is movable;

[0096] The heightening component 2 is formed with a first limiting hole, namely, the first limiting hole No. 2, and the first limiting hole No. 2 is connected to the first plug-in hole No. 9. When the first plug-in protrusion No. 2 is assembled with the first plug-in hole No. 9, the first positioning bead No. 2 of the first press-in spring positioning bead screw moves into the first limiting hole No. 2.

[0097] Further, preferably, the No. 2 first press-in spring positioning bead screw includes the No. 2 first sleeve, the No. 2 first return spring and the No. 2 first positioning bead, and the No. 2 first positioning bead and the No. 2 first return spring are connected and installed in the No. 2 first sleeve, and when not subjected to external force, the No. 2 first positioning bead is exposed at the open end of the No. 2 first sleeve. It should be noted that the first press-in spring positioning bead screw is a frequently used part in the prior art and will not be described in detail here.

[0098] It can be seen that when the first plug-in protrusion No. 2 is assembled with the first plug-in hole 9, under the pressure of the hole wall of the first plug-in hole 9, the first positioning bead No. 2 moves downward and enters into the first sleeve No. 2. When the first plug-in protrusion No. 2 is assembled with the first plug-in hole 4 No. 1, due to the lack of the pressure of the hole wall of the first plug-in hole 9 No. 2, the first positioning bead No. 2 will be reset under the action of the first spring No. 2, and the first positioning bead No. 2 will enter into the first limiting hole No. 2, thereby limiting the first plug-in part, so that the first plug-in part will not fall out of the first plug-in hole 9 No. 2, and the two heightening components 2 are assembled more firmly and stably.

[0099] Further, preferably, the protective device 100 for transporting the rolled electrode sheet also includes a first elastic button, namely, the first elastic button No. 2 10, and the first elastic button No. 2 10 includes a first spring, namely, the first spring No. 2, and a first pressing portion, namely, the first pressing portion No. 2, which are connected to each other, and the first spring No. 2 is arranged in the first limiting hole No. 2, and one end of the first limiting hole No. 2 passes through the heightening component 2, and the first pressing portion No. 2 is exposed at the opening end of the first limiting hole No. 2.

[0100] It can be seen that when the heightening component 2 needs to be disassembled, it is only necessary to press the No. 2 first pressing part into the No. 2 first limiting hole, and the No. 2 first pressing part will push the No. 2 first return spring to move into the No. 2 first limiting hole, and the No. 1 first spring pushes the second positioning bead to move toward the No. 2 first plugging hole 9, until the No. 2 first positioning bead completely leaves the No. 2 first limiting hole, thereby releasing the limiting effect, and pulling the heightening component 2 in the direction away from the supporting component 11, so that the heightening component 2 is separated from the supporting component 11. It can be seen that the above unlocking operation is simple, convenient, and time-saving and labor-saving.

[0101] In combination with the above, it can be known that the connection structure between the two heightening components 2 is the same as the connection structure between the heightening component 2 and the main body 1 , and the details can be referred to the assembly of the heightening component 2 and the main body 1 .

[0102] Embodiment 4

[0103] The protective device 100 for transporting rolled pole pieces in this embodiment is an improvement on the first embodiment, and the technical contents disclosed in the first embodiment will not be described repeatedly, the contents disclosed in the first embodiment also belong to the contents disclosed in this embodiment, and the only difference between the technical scheme disclosed in this embodiment and the technical scheme disclosed in the third embodiment is that the main body 1 is an integrated structure rather than a split structure, and regarding the connection structure between the heightened component 2 and the main body 1, and when each side of the main body 1 is provided with a plurality of heightened components 2 connected in sequence along the diameter direction of the pole piece roll 201, the connection structure between two adjacent heightened components 2 can refer to the third embodiment, and will not be described in detail.

[0104] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A protective device for transporting a rolled electrode, applied to an electrode roll assembly, wherein the electrode roll assembly comprises an electrode and a reel, wherein the electrode is wound around the outside of the reel to form an electrode roll, and along the length direction of the reel, a pole ear cluster is formed at the end of the electrode roll, and the end of the reel exceeds the pole ear cluster to form an exposed end, characterized in that: The protective device for transporting the bundled roller pressed electrode sheet comprises a main body, which is mounted on the exposed end of the reel; The main body includes two supporting members, one of which is used to be installed on one side of the exposed end of the reel, and the other supporting member is used to be installed on the other side opposite to the exposed end of the reel, and the two supporting members are connected; along the length direction of the reel, a protective gap is formed between any supporting member and the pole ear cluster.

2. The protective device for transporting the rolled electrode sheet according to claim 1, characterized in that: When the reel of the pole piece roll assembly is placed horizontally, along the vertical direction, the bottom of the main body has a planar structure and is lower than the bottom of the pole piece roll.

3. The protective device for transporting the rolled electrode sheet according to claim 2, characterized in that: A cross section of the main body along a length direction perpendicular to the scroll axis is in the shape of a regular hexagon.

4. The protective device for transporting the rolled electrode sheet according to claim 1, characterized in that: When the reel of the pole piece roll assembly is placed horizontally, the bottom of the main body is higher than the bottom of the pole piece roll along the vertical direction; the protective device for the bundle roller pressed pole piece transportation also includes a heightening component, and at least at least one of the heightening components is provided at the bottom of the main body, and when there are multiple heightening components, the multiple heightening components are connected sequentially along the radial direction of the pole piece roll.

5. The protective device for transporting the rolled electrode sheet according to claim 4, characterized in that: The bottom of the heightening member, which is at the greatest distance from the bottom of the main body, has a planar structure.

6. The protective device for transporting the rolled electrode sheet according to claim 4, characterized in that: When the heightening component is connected to the main body, a first plugging protrusion is formed on one of the main body and the heightening component, a first plugging hole is formed on the other of the main body and the heightening component, and the first plugging protrusion is plugged into the first plugging hole.

7. The protective device for transporting the rolled electrode sheet according to claim 6, characterized in that: When two adjacent heightening components are connected, one of the two heightening components is formed with a first plugging protrusion, the other of the two heightening components is formed with a first plugging hole, and the first plugging protrusion is plugged into the first plugging hole.

8. The protective device for transporting the rolled electrode sheet according to claim 7, characterized in that: The protection device for transporting the electrode sheet of the winding roller further includes a first press-in spring positioning bead screw, which is arranged on the first plug-in protrusion, and a first positioning bead of the first press-in spring positioning bead screw is exposed on the first plug-in protrusion, and the first positioning bead is movable; The main body or the heightened component is formed with a first limiting hole, and the first limiting hole is communicated with the first plug-in hole. When the first plug-in protrusion is assembled with the first plug-in hole, the first positioning bead of the first press-in spring positioning bead screw moves into the first limiting hole.

9. The protective device for transporting the rolled electrode sheet according to claim 8, characterized in that: The protective device for transporting the rolled electrode sheet also includes a first elastic button, which includes a first spring and a first pressing portion connected to each other. The first spring is arranged in the first limiting hole, and one end of the first limiting hole passes through the main body or the heightening component, and the first pressing portion is exposed at the opening end of the first limiting hole.

10. The protective device for transporting the rolled electrode sheet according to claim 4, characterized in that: The cross section of the main body along the length direction perpendicular to the scroll axis is a regular hexagon; Each side of the main body corresponding to the regular hexagon is equipped with at least one heightening component to form at least one ring hexagonal structure centered on the scroll.

11. The protective device for transporting rolled electrode sheets according to claim 1, characterized in that: The two supporting members are detachably connected.

12. The protective device for transporting rolled electrode sheets according to claim 11, characterized in that: A second plugging protrusion is formed on one of the two supporting members, a second plugging hole is formed on the other of the two supporting members, and the second plugging protrusion is plugged into the second plugging hole.

13. The protective device for transporting rolled electrode sheets according to claim 12, characterized in that: The protective device for transporting the electrode sheet of the winding roller also includes a second press-in spring positioning bead screw, which is arranged on the second plug-in protrusion, and a second positioning bead of the second press-in spring positioning bead screw is exposed on the second plug-in protrusion, and the second positioning bead can move; The support member is formed with a second limiting hole, and the second limiting hole is connected to the second plug-in hole. When the second plug-in protrusion is assembled with the second plug-in hole, the second positioning bead of the second press-in spring positioning bead screw moves into the second limiting hole.

14. The protective device for transporting rolled electrode sheets according to claim 13, characterized in that: The protective device for transporting the rolled electrode sheet also includes a second elastic button, which includes a second spring and a second pressing portion connected to each other. The second spring is arranged in the second limiting hole, and one end of the second limiting hole passes through the supporting member, and the second pressing portion is exposed at the opening end of the second limiting hole.

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