Folding transport case for battery pole rolls

By designing a multi-component structure for the foldable transport box and incorporating a built-in GPS positioning module, the problems of low space utilization, poor protection, and insufficient logistics tracking in battery electrode roll transportation were solved, achieving an efficient and safe transportation process.

CN121493399APending Publication Date: 2026-02-10YAMEI SANXIONG (GUANGDONG) TECH CO LTD
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Patent Information

Application Number
CN202511878185.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-12-12
Publication Date
2026-02-10

AI Technical Summary

Technical Problem

Existing battery electrode roll transportation equipment suffers from low space utilization, poor electrode roll protection, lack of logistics tracking, and insufficient stability. As a result, the electrode rolls are prone to displacement, collision, scratches, and deformation during transportation, and the transportation efficiency and safety are low.

Method used

A folding transport box including a bottom support, assembly parts and a built-in locator was designed. It adopts a multi-part folding design, and the limiting structure of the supporting side plate and the pressed side plate forms a matching limiting space. The built-in GPS positioning module tracks the position in real time, and the supporting frame improves the structural strength.

Benefits of technology

It enables rapid folding and storage of transport boxes, reducing storage space occupation and transportation costs, ensuring the stability and real-time monitoring of the rolls, avoiding damage, and improving logistics safety and controllability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention provides a folding transport case for a battery pole roll, which is applied to the technical field of battery manufacturing and logistics transportation. The folding transport case comprises a bottom support part, an assembly part and a built-in positioner, the bottom supporting piece comprises a bottom plate and a supporting structure arranged below the bottom plate. The assembly part comprises a front plate, a supporting side plate, a pressing side plate, a top plate and a rear plate; the front plate, the supporting side plate and the rear plate are respectively connected with the bottom plate in a foldable manner; the opposite inner sides of the supporting side plate and the pressing side plate are provided with matched limiting structures correspondingly, and the two sets of limiting structures define a limiting space used for containing electrode materials. By the adoption of the multi-component folding design, rapid folding and storage can be achieved during idling or empty box returning, the front plate, the supporting side plates and the rear plate are folded to be attached to the bottom plate, the pressing side plates are stored in the notches of the supporting side plates, the size is greatly reduced after folding, the storage space occupancy rate and the empty box transportation cost are remarkably reduced, and the logistics efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of battery manufacturing and logistics transportation, in particular to a folding transportation box for battery pole roll. BACKGROUND

[0002] As a key raw material for core components such as power batteries and energy storage batteries, the battery pole roll has a precise structure and a surface that is easily damaged. Strict protective measures are needed during transportation to avoid deformation, displacement or surface scratches of the roll body.

[0003] The battery pole roll transportation equipment currently on the market mainly includes fixed wooden boxes and non-folding plastic boxes, which have the following problems: Most existing transportation boxes have a one-piece structure, which occupies a large amount of storage space when idle, increasing the logistics cost of empty box return and storage. The pole roll limiting structure is not reasonably designed, and simple foam filling or binding fixing is often used, which can easily cause displacement and collision of the pole roll during transportation, resulting in surface damage or deformation of the roll body and affecting the quality of subsequent battery production. There is a lack of effective logistics tracking means, and it is difficult to track the location information of the pole roll in real time during long-distance transportation, which poses a risk of loss or misdelivery. The stability of the support structure of some transportation boxes is insufficient, and the assembly and disassembly process is complicated, which affects the transportation efficiency.

[0004] Therefore, a folding transportation box for battery pole roll is proposed to solve the above problems. SUMMARY

[0005] The present application aims to solve the problems of low space utilization, poor pole roll protection, lack of logistics tracking and insufficient stability of existing transportation boxes. Compared with the prior art, a folding transportation box for battery pole roll is provided, which includes a bottom support, an assembly and an internal locator. The bottom support includes a bottom plate and a support structure arranged below the bottom plate, and the support structure is used to stably support the bottom plate. The assembly includes a front plate, a support side plate, a pressing side plate, a top plate and a rear plate, which are foldably connected to the bottom plate. The pressing side plate is foldably connected to the support side plate. The top plate is detachably connected to the top of the front plate, the support side plate, the pressing side plate and the rear plate. The inner sides of the support side plate and the pressing side plate opposite to each other are respectively provided with adaptive limiting structures, and two groups of limiting structures form a limiting space for accommodating electrode materials. The limiting space is adapted to the roll of electrode materials, and the roll is used to wind the battery pole roll. A locking assembly is arranged on the assembly, which is used to lock the assembly after folding or unfolding. The locator is used to collect the location information of the transportation box in real time.

[0006] Further, the support structure of the bottom support includes foot piers and river bars, a plurality of the river bars are fixed below the bottom plate through the foot piers, and a plurality of the foot piers are arrayed and detachably fixed to the bottom of the bottom plate; the number of the river bars is three groups, which are equidistantly arranged along the length direction of the bottom plate, and each group of the river bars is provided with three groups of the foot piers.

[0007] Further, the limiting structures on the support side plate and the pressing side plate are respectively semicircular support grooves and semicircular pressing grooves, and the semicircular pressing grooves and the semicircular support grooves are matched.

[0008] Further, the pressing side plate is connected to the aperture of the support side plate through a telescopic hinge; the telescopic hinge includes connecting base plates and V-shaped folding force arms, two groups of the connecting base plates are respectively fixed to the support side plate and the pressing side plate, and the two ends of the V-shaped folding force arm are respectively hinged to the two groups of the connecting base plates.

[0009] Further, the locking assembly on the assembly includes a lock groove, a turnover clamping block and an elastic lock tongue, and the turnover clamping block and the elastic lock tongue are matched to realize the locking after the assembly is folded or unfolded; the support side plate is provided with a lock groove one and a lock groove two, the lock groove one is matched with the elastic lock tongue on the front plate or the back plate, and the lock groove two is matched with the elastic lock tongue on the pressing side plate.

[0010] Further, the bottom plate is provided with a stepped convex edge one, a stepped convex edge two and a stepped convex edge three, and the stepped convex edge one, the stepped convex edge two and the stepped convex edge three are respectively matched with the bottom edges of the front plate, the back plate and the support side plate and are connected through hinges.

[0011] Further, the top connecting nodes of the support side plate and the front plate or the back plate are respectively detachably connected through the turnover clamping block and the lock groove; the front plate or the back plate is provided with a side convex edge on both sides, and the support side plate is provided with a side concave groove matched with the side convex edge.

[0012] Further, the top of the support side plate, the front plate and the back plate is provided with a top convex edge, and the bottom of the top plate is provided with a top concave groove matched with the top convex edge.

[0013] Further, the positioner is a GPS positioning module, and the positioner is fixed to the inside of the transport box through a waterproof sealing box; the positioner is connected with a built-in rechargeable battery, and the positioner is provided with a wireless charging interface, and the wireless charging interface is embedded in the side of the bottom plate.

[0014] Further, the transport box further includes a support framework, and the support framework is respectively embedded in the inside of the bottom plate, the front plate, the support side plate, the pressing side plate and the back plate, and the support framework adopts a steel square tube welding structure.

[0015] Compared with the prior art, the application has the advantages that: The application adopts a multi-component folding design, which can be quickly folded and stored when idle or empty box returns. The front plate, support side plate and rear plate are folded and attached to the bottom plate, and the pressing side plate is stored in the opening of the support side plate. After folding, the volume is greatly reduced, significantly reducing the warehouse space occupancy rate and empty box transportation cost, and improving the logistics efficiency.

[0016] The semicircular support groove of the support side plate and the semicircular pressing groove of the pressing side plate form a limiting space matched with the winding drum. The end of the winding drum is attached to realize clamping and locking, effectively avoiding surface scratches or winding body deformation caused by displacement and collision of the winding drum during transportation. The adaptive design of the multi-dimensional locking assembly and the side convex edge and the top convex edge further improves the structural stability, provides all-round protection for the winding drum, and ensures the quality of subsequent battery production.

[0017] The built-in GPS positioning module is protected by a waterproof sealed box to avoid moisture or damage. Real-time collection of transportation box position information allows workers to monitor the transportation track through the background system to timely find abnormal situations and effectively avoid loss and misdelivery of the winding drum, improving the safety and controllability of logistics transportation. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front structure schematic diagram of the application; Figure 2 It is Figure 1 It is an enlarged structure schematic diagram of A part; Figure 3 It is a bottom structure schematic diagram of the application; Figure 4 It is an internal structure schematic diagram of the application; Figure 5 It is an exploded structure schematic diagram of the application; Figure 6 It is a structure schematic diagram of the bottom plate proposed in the application; Figure 7 It is a structure comparison schematic diagram of the front plate and the rear plate proposed in the application; Figure 8 It is an exploded structure schematic diagram of the support side plate and the pressing side plate proposed in the application; Figure 9 It is a comparison schematic diagram of the extension hinge before and after extension proposed in the application; Figure 10 It is a comparison schematic diagram of the support side plate and the pressing side plate fixing the end of the winding drum before and after; Figure 11 It is a structure schematic diagram of the support side plate and the pressing side plate fixing the end of the winding drum after; Figure 12 It is a folding step schematic diagram of the application.

[0019] Explanation of reference numerals in the drawings: 1, bottom support; 11, bottom plate; 111, step protrusion one; 112, step protrusion two; 113, step protrusion three; 12, foot column; 13, river sub-bar; 2, assembly; 201, lock groove; 202, flip clamping block; 203, top protrusion; 204, side protrusion; 21, front plate; 22, support side plate; 221, semicircular support groove; 222, lock groove one; 223, lock groove two; 23, pressing side plate; 231, semicircular pressing groove; 24, top plate; 25, rear plate; 26, elastic lock tongue; 3, electrode material; 31, battery pole roll; 32, winding drum; 4, support framework; 5, telescopic hinge; 51, connecting base plate; 52, V-shaped folding force arm. DETAILED DESCRIPTION

[0020] The embodiments will be described in conjunction with the drawings in the specification, and all other embodiments obtained by those skilled in the art based on the embodiments in the specification without creative labor fall within the scope of protection of the present application.

[0021] Embodiment: The present application provides a folding transport box for battery pole rolls, please refer to Figure 1 Figure 12 , including bottom support 1, assembly 2 and built-in locator, each component cooperates to realize stable transportation, convenient folding and real-time tracking of battery pole rolls; Specifically, please refer to Figure 1 Figure 3 , the bottom support 1 includes a bottom plate 11 and a support structure arranged below the bottom plate 11, the support structure is used to realize the stable support of the bottom plate 11 and the insertion of the transport carrier such as forklift, so as to avoid the direct contact of the bottom plate 11 with the ground during transportation, causing abrasion or damp.

[0022] The support structure specifically includes foot columns 12 and river sub-bars 13, a plurality of river sub-bars 13 are fixed below the bottom plate 11 through the foot columns 12, and a plurality of foot columns 12 are arrayed and detachably fixed at the bottom of the bottom plate 11; the number of river sub-bars 13 is three groups, which are equidistantly arranged along the length direction of the bottom plate 11, and each group of river sub-bars 13 is provided with three groups of foot columns 12, forming uniformly distributed support points, improving the overall support stability.

[0023] The assembly 2 includes a front plate 21, a support side plate 22, a pressing side plate 23, a top plate 24 and a rear plate 25, the front plate 21, the support side plate 22 and the rear plate 25 are foldably connected with the bottom plate 11, the pressing side plate 23 is foldably connected with the support side plate 22, and the top plate 24 is detachably connected at the top of the front plate 21, the support side plate 22, the pressing side plate 23 and the rear plate 25, forming a complete closed transport space. ​​

[0024] Please refer to this first. Figure 10 - Figure 11 The inner sides of the supporting side plate 22 and the pressing side plate 23 are respectively provided with matching limiting structures. The two sets of limiting structures enclose a limiting space for accommodating the electrode material 3. The limiting space is adapted to the roll 32 of the electrode material 3. The roll 32 is used to wind the battery electrode roll 31 to achieve precise positioning of the battery electrode roll 31.

[0025] Specifically, the limiting structures are a semi-circular support groove 221 and a semi-circular pressing groove 231. The semi-circular pressing groove 231 is adapted to the semi-circular support groove 221 and fits the arc surface of the drum 32 to improve the limiting stability.

[0026] The pressing side plate 23 is connected to the notch of the supporting side plate 22 by a telescopic hinge 5. The telescopic hinge 5 includes a connecting base plate 51 and a V-shaped folding arm 52. The two sets of connecting base plates 51 are respectively fixed on the supporting side plate 22 and the pressing side plate 23. The two ends of the V-shaped folding arm 52 are respectively hinged to the two sets of connecting base plates 51, so as to realize the up and down insertion and flipping action of the pressing side plate 23 relative to the supporting side plate 22.

[0027] Meanwhile, the base plate 11 is provided with stepped protrusion 111, stepped protrusion 212 and stepped protrusion 313. Stepped protrusion 111, stepped protrusion 212 and stepped protrusion 313 are respectively attached to the bottom edges of the front plate 21, the rear plate 25 and the supporting side plate 22 and connected by hinges to ensure the positioning accuracy when the plate is folded and unfolded, and to avoid offset and folding interference.

[0028] The assembly 2 is equipped with a locking component to lock the assembly 2 after it is folded or unfolded, preventing it from being accidentally released during transportation.

[0029] The locking assembly includes a lock groove 201, a flip block 202, and a resilient locking tongue 26. The flip block 202 and the resilient locking tongue 26 cooperate to achieve locking. The supporting side plate 22 is provided with a locking groove 222 and a locking groove 223. The locking groove 222 is adapted to the elastic locking tongue 26 on the front plate 21 or the rear plate 25, and the locking groove 223 is adapted to the elastic locking tongue 26 on the pressing side plate 23, forming a multi-point locking. In addition, the top connection nodes of the supporting side plate 22 and the front plate 21 or the rear plate 25 are detachably connected to the locking groove 201 by flipping blocks 202 respectively. Both sides of the front plate 21 or the rear plate 25 are provided with side protrusions 204, and both sides of the supporting side plate 22 are provided with side grooves adapted to the side protrusions 204, which improves the sealing and stability of the plate connection. The top of the supporting side plate 22, the front plate 21 and the rear plate 25 are all provided with top protrusions 203, and the bottom of the top plate 24 is provided with top grooves adapted to the top protrusions 203, which ensures the stability of the top plate 24 after installation and prevents shaking during transportation.

[0030] The locator is used to collect the location information of the transport box in real time. The locator is a GPS positioning module, which is fixed inside the transport box by a waterproof sealed box to avoid moisture or damage from external forces. The locator is connected to a built-in rechargeable battery and has a wireless charging interface. The wireless charging interface is embedded in the side of the base plate 11, which makes it easy to charge the locator without disassembling the transport box, ensuring the continuous operation of the positioning function.

[0031] The transport container also includes a support frame 4, which is embedded in the bottom plate 11, front plate 21, support side plate 22, pressing side plate 23 and rear plate 25 respectively. The support frame 4 adopts a steel square tube welded structure, which significantly improves the structural strength and load-bearing capacity of the transport container and meets the stability requirements of stacked storage and long-distance transportation.

[0032] Please refer to this first. Figure 12 When the transport box is folded, the front panel 21, supporting side panel 22, and rear panel 25 are all folded and fitted against the surface of the bottom plate 11. The pressed side panel 23 is folded and stored in the notch of the supporting side panel 22 via the telescopic hinge 5. The top panel 24 is stored separately, significantly reducing the space occupied. When needed, the front panel 21, supporting side panel 22, and rear panel 25 are first unfolded upwards along the hinge. The stepped protrusions 111, 112, and 113 on the bottom plate 11 respectively limit the front panel 21, rear panel 25, and supporting side panel 22, ensuring that the panels are perpendicular to the bottom plate 11. Then, the elastic locking tongue 26 engages with the locking groove 222 on the supporting side panel 22 to lock the front panel 21, rear panel 25, and supporting side panel 22. At the same time, the side protrusions 204 on both sides of the front panel 21 and rear panel 25 are embedded into the side grooves of the supporting side panel 22, completing the assembly of the side structure.

[0033] Please refer to this first. Figure 10 - Figure 11 Next, the pressing side plate 23 is unfolded by the telescopic hinge 5. The V-shaped folding arm 52, with the cooperation of the connecting base plate 51, moves the pressing side plate 23 upward and flips, so that the semi-circular pressing groove 231 on the inner side of the pressing side plate 23 moves away from the semi-circular support groove 221 on the inner side of the support side plate 22, providing a downward gap for the end of the drum 32. Then, the drum 32 with the battery electrode roll 31 is placed into the semi-circular support groove 221 to achieve the initial fixation of the battery electrode roll 31. At this time, the pressing side plate 23 is flipped in the opposite direction and pressed down by the telescopic hinge 5, so that the semi-circular pressing groove 231 and the semi-circular support groove 221 are aligned, completely clamping and locking the end of the drum 32. Then, by engaging the elastic locking tongue 26 with the locking groove 223, the pressing side plate 23 and the supporting side plate 22 are locked together to form a complete limiting space. Finally, the top groove at the bottom of the top plate 24 is aligned with the top protrusion 203 at the top of the front plate 21, the supporting side plate 22, and the rear plate 25. The top plate 24 is pressed down to fit together. Then, by engaging the flipping latch 202 with the locking groove 201, the top plate 24 is locked with the front plate 21 and the rear plate 25, thus completing the assembly of the entire transport box.

[0034] After assembly, the locking components form a multi-dimensional lock. The cooperation between the elastic locking tongue 26 and the locking groove 1 222 and the locking groove 223 ensures a stable connection between the side plates. The cooperation between the flipping block 202 and the locking groove 201 locks the top plate 24 and the side plates. The adaptation between the side protrusion 204 and the side groove, and the top protrusion 203 and the top groove further improve the structural sealing and stability, preventing the plates from loosening or shifting during transportation.

[0035] The support frame 4 provides structural support for each plate to prevent the transport box from deforming due to collision or stacking; the three sets of bottom strips 13 and the three foot blocks 12 in each set form evenly distributed support points to ensure the stability of the transport box when placed on the ground or pallet, while preventing the bottom plate 11 from directly contacting the ground and causing wear or moisture.

[0036] The locator is secured inside the shipping box via a waterproof sealed casing. A built-in rechargeable battery provides continuous power, and when the battery is low, it can be charged via a wireless charging port on the side of the base plate 11, eliminating the need to disassemble the shipping box and making operation convenient. During transportation, the locator collects the shipping box's location information in real time and transmits this information to the backend management system. Staff can monitor the shipping box's trajectory in real time through the system, promptly grasp the logistics status, and prevent the rolls from being lost or misdelivered.

[0037] After transportation is completed, first unlock the flip-over latch 202 and remove the top plate 24; then press the elastic locking tongue 26 to unlock the connection between the pressing side plate 23 and the supporting side plate 22, and fold the pressing side plate 23 into the notch of the supporting side plate 22 through the telescopic hinge 5; then unlock the elastic locking tongue 26 of the front plate 21, the rear plate 25 and the supporting side plate 22 to lock them, and fold the front plate 21, the supporting side plate 22 and the rear plate 25 along the hinge to attach them to the surface of the bottom plate 11; finally, stack the top plate 24 and the folded transport box for storage, which greatly reduces the space occupied and reduces the return and storage costs of empty boxes.

[0038] This application adopts a multi-component folding design, which can be quickly folded and stored when idle or when empty boxes are returned. The front panel 21, the supporting side panel 22, and the rear panel 25 are folded and attached to the bottom panel 11, and the pressed side panel 23 is stored in the notch of the supporting side panel 22. After folding, the volume is greatly reduced, significantly reducing the occupancy rate of storage space and the transportation cost of empty boxes, and improving logistics efficiency.

[0039] The semi-circular support groove 221 of the supporting side plate 22 and the semi-circular pressing groove 231 of the pressing side plate 23 enclose and form a limiting space that is compatible with the roll 32. The end of the roll 32 is fitted together and locked, which effectively avoids surface scratches or roll deformation caused by displacement or collision of the electrode roll during transportation. The multi-dimensional locking component and the matching design of the side convex edge and top convex edge further improve the structural stability, provide all-round protection for the electrode roll, and ensure the quality of subsequent battery production.

[0040] Equipped with a built-in GPS positioning module and protected by a waterproof sealed box to prevent moisture or damage, it collects real-time location information of the transport box. Staff can monitor the transport trajectory through the back-end system, promptly detect abnormalities, effectively prevent the loss or misdelivery of rolls, and improve the safety and controllability of logistics transportation.

[0041] Each panel is internally fitted with a steel square tube welded support frame 4, which significantly improves the structural strength and load-bearing capacity of the transport box, meeting the stringent requirements of stacked storage and long-distance transportation, and preventing deformation caused by collisions and stacking during transportation. Each panel is foldable and connected by hinges and telescopic hinges 5. The locking component adopts a design that uses an elastic locking tongue 26 and a flip-lock block 202. During assembly, it is only necessary to flip the panel, accurately align the limiting structure and lock it. During disassembly, pressing the elastic locking tongue 26 can unlock it. No complicated tools are required throughout the process, making the operation convenient and efficient and reducing the labor intensity of the staff.

[0042] The foot block 12 is detachably fixed, and can be replaced individually when it is worn or damaged, without replacing the entire bottom support 1, thus reducing maintenance costs. The limiting design of the semi-circular support groove 221 and the semi-circular pressing groove 231 can be adapted to rolls 32 of different lengths, meeting the transportation needs of various battery electrode rolls and improving the equipment's versatility. The front plate 21, rear plate 25 and support side plate 22 are connected to the side groove through the side protrusion 204, and the top plate 24 and side plate are connected to the top groove through the top protrusion 203, which greatly improves the sealing of the transport box and effectively prevents external dust and moisture from entering the box and contaminating the electrode rolls. The positioner is sealed in a waterproof box, further improving the equipment's protective performance and adapting to different transportation environments.

[0043] The above description is only the best implementation method adopted in this application in combination with current practical needs, but the scope of protection of this application is not limited thereto.

Claims

1. A folding transport box for battery electrode rolls, characterized in that, Includes a bottom support (1), an assembly (2), and a built-in locator; The bottom support member (1) includes a base plate (11) and a support structure located below the base plate (11). The support structure is used to provide stable support for the base plate (11). The assembly (2) includes a front plate (21), a supporting side plate (22), a pressing side plate (23), a top plate (24), and a rear plate (25). The front plate (21), the supporting side plate (22), and the rear plate (25) are foldably connected to the bottom plate (11), the pressing side plate (23) is foldably connected to the supporting side plate (22), and the top plate (24) is detachably connected to the top of the front plate (21), the supporting side plate (22), the pressing side plate (23), and the rear plate (25). The inner sides of the supporting side plate (22) and the pressing side plate (23) are respectively provided with matching limiting structures. The two sets of limiting structures enclose a limiting space for accommodating the electrode material (3). The limiting space is adapted to the roll (32) of the electrode material (3). The roll (32) is used to wind the battery electrode roll (31). The assembly (2) is provided with a locking component, which is used to lock the assembly (2) after it is folded or unfolded; The locator is used to collect the location information of the transport container in real time.

2. A folding transport box for battery electrode rolls according to claim 1, characterized in that, The support structure of the bottom support member (1) includes foot blocks (12) and cross strips (13). Several cross strips (13) are fixed to the bottom plate (11) through foot blocks (12). Several foot blocks (12) are arranged in an array and can be detachably fixed to the bottom of the bottom plate (11). There are three sets of cross strips (13), which are arranged at equal intervals along the length of the bottom plate (11), and each set of cross strips (13) is provided with three sets of foot blocks (12).

3. A folding transport box for battery electrode rolls according to claim 1, characterized in that, The limiting structures on the supporting side plate (22) and the pressing side plate (23) are a semi-circular supporting groove (221) and a semi-circular pressing groove (231), respectively, and the semi-circular pressing groove (231) is adapted to the semi-circular supporting groove (221).

4. A folding transport box for battery electrode rolls according to claim 1, characterized in that, The pressing side plate (23) is connected to the notch of the supporting side plate (22) by a telescopic hinge (5); the telescopic hinge (5) includes a connecting base plate (51) and a V-shaped folding lever arm (52). The two sets of connecting base plates (51) are fixed on the supporting side plate (22) and the pressing side plate (23) respectively, and the two ends of the V-shaped folding lever arm (52) are respectively hinged to the two sets of connecting base plates (51).

5. A folding transport box for battery electrode rolls according to claim 1, characterized in that, The locking components on the assembly (2) include a locking groove (201), a flip-lock block (202), and an elastic locking tongue (26). The flip-lock block (202) cooperates with the elastic locking tongue (26) to lock the assembly (2) after it is folded or unfolded. The support side plate (22) is provided with a locking groove one (222) and a locking groove two (223). The locking groove one (222) is adapted to the elastic locking tongue (26) on the front plate (21) or the rear plate (25), and the locking groove two (223) is adapted to the elastic locking tongue (26) on the pressing side plate (23).

6. A folding transport box for battery electrode rolls according to claim 1, characterized in that, The base plate (11) is provided with stepped protrusion one (111), stepped protrusion two (112) and stepped protrusion three (113). The stepped protrusion one (111), stepped protrusion two (112) and stepped protrusion three (113) are respectively attached to the bottom edge of the front plate (21), the rear plate (25) and the supporting side plate (22) and connected by hinges.

7. A folding transport box for battery electrode rolls according to claim 1, characterized in that, The top connection nodes of the supporting side plate (22) and the front plate (21) or the rear plate (25) are detachably connected by a flip-out block (202) and a locking groove (201); both sides of the front plate (21) or the rear plate (25) are provided with side protrusions (204), and both sides of the supporting side plate (22) are provided with side grooves that are adapted to the side protrusions (204).

8. A folding transport box for battery electrode rolls according to claim 1, characterized in that, The top of the supporting side plate (22), the front plate (21) and the rear plate (25) are all provided with a top protrusion (203), and the bottom of the top plate (24) is provided with a top groove that matches the top protrusion (203).

9. A folding transport box for battery electrode rolls according to claim 1, characterized in that, The locator is a GPS positioning module, and the locator is fixed inside the transport box by a waterproof sealed box; the locator is connected to a built-in rechargeable battery, and the locator is equipped with a wireless charging interface, which is embedded in the side of the base plate (11).

10. A folding transport box for battery electrode rolls according to claim 1, characterized in that, The transport box also includes a support frame (4), which is embedded in the bottom plate (11), front plate (21), support side plate (22), pressing side plate (23) and rear plate (25), respectively. The support frame (4) adopts a steel square tube welded structure.