Battery module conveying line

Abstract

The utility model discloses a battery module conveyor line, relates to transportation equipment technical field, battery module conveyor line includes conveying mechanism and unstacking mechanism, and the two ends of conveying mechanism are respectively the input port and the output port, and the conveying mechanism is used for conveying the cell stack that is input from the input port towards the output port direction, and the unstacking mechanism is used for unstacking the cell stack. The battery stack comprises multiple layers of battery modules which are arranged in a stacked manner; the unstacking and unstacking mechanism comprises an unstacking frame, a first locking assembly and a first lifting assembly, the unstacking frame is arranged outside the conveying mechanism in a surrounding mode, the first locking assembly is used for clamping any layer of battery module in the battery stack, and the first lifting assembly is used for abutting against the layer of battery module located at the bottom in the battery stack and driving the battery stack to ascend and descend. According to the utility model, the unstacking mechanism is arranged, and the plurality of layers of battery modules are stacked to form the battery stack, so that the forklift can carry the plurality of battery modules to the input port at one time, the storage quantity of the battery modules of the logistics forklift is increased, the sufficient supply speed of the battery modules is ensured, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of transmission equipment, in particular to a battery module conveyor line. Background Art

[0002] In traditional automotive battery pack production lines, since battery packs need to be composed of multiple battery modules, the battery modules usually need to be transported through conveyor lines to achieve uninterrupted supply of battery modules. Most of the existing conveyor lines use single roller conveyor lines. The battery modules are placed on material pallets. The pallets with battery modules are transported from the material area to the input port of the conveyor line by forklifts. The material pallets are transported through the conveyor line to transport the modules to the material port. The operators use transplanting equipment to clamp and transport the battery modules.

[0003] The existing battery modules are first transported by a single roller line. The logistics forklift can only carry one pallet of battery modules to the input port of the conveyor line at a time, and the logistics forklift needs to replenish the battery modules in time. Therefore, the number of battery modules stored is small, the module consumption rate is fast, and each time a single pallet is transported, the battery module supply speed is insufficient, resulting in reduced production efficiency. At the same time, the forklift operator needs to constantly place the pallet at the input port or take it off from the output port, which requires a lot of work for the forklift operator. Utility Model Content

[0004] The main purpose of the utility model is to propose a battery module conveyor line, which aims to solve the problem that the battery module supply speed of the conveyor line in the prior art is insufficient, resulting in reduced production efficiency and heavy workload for forklift operators.

[0005] To achieve the above purpose, the battery module conveyor line proposed by the utility model includes:

[0006] A conveying mechanism, wherein the two ends of the conveying mechanism are an input port and an output port respectively, and the conveying mechanism is used to convey the battery stack input from the input port toward the output port, wherein the battery stack includes multiple layers of the battery modules stacked in layers;

[0007] A destacking mechanism, wherein the destacking mechanism is arranged at a position of the conveying mechanism close to the input port, the destacking mechanism comprises a destacking frame, a first locking assembly and a first lifting assembly, the destacking frame is arranged outside the conveying mechanism and forms a destacking cavity for accommodating the battery stack, the first locking assembly is used to clamp any layer of the battery modules in the battery stack, the first lifting assembly is used to abut against a layer of the battery modules located at the bottom of the battery stack and drive the battery stack to rise and fall, and when the first lifting assembly is at the lowest point, the battery modules located at the bottom layer contact the conveying mechanism and continue to be conveyed toward the output port through the conveying mechanism.

[0008] In one embodiment, each of the battery modules is supported by a pallet, and the battery module conveyor line further includes a palletizing mechanism, which is arranged at a position of the conveyor mechanism close to the output port, and a material taking area is formed between the input port and the output port, and an external device takes out the battery module located in the material taking area, and the conveyor mechanism continues to convey the pallet after taking out the battery module toward the output port, and the palletizing mechanism includes a palletizing frame, a second locking assembly and a second lifting assembly, the palletizing frame is arranged outside the conveyor mechanism and forms a palletizing cavity, the second locking assembly and the second lifting assembly are both located in the palletizing cavity, the second lifting assembly is used to support the pallet entering the palletizing cavity, and lift the pallet to the second locking assembly, and the second locking assembly is used to clamp the pallet entering the palletizing cavity, so as to stack multiple pallets layer by layer to form a pallet stack.

[0009] In one embodiment, the first locking assembly and the second locking assembly each include two sets of mounting frames and clamping arms arranged opposite to each other, the mounting frame of the first locking assembly is installed on the depalletizing frame, and the mounting frame of the second locking assembly is installed on the palletizing frame, and a clamping driving member is provided on the mounting frame corresponding to the clamping arm, and the clamping driving member is used to drive the corresponding clamping arm to move closer to or away from the pallet to clamp or release the pallet accordingly.

[0010] In one embodiment, the first lifting assembly and the second lifting assembly both include a lifting frame and a lifting drive member, the lifting frame includes a fixed rod and a sliding rod, the fixed rod and the sliding rod are arranged in an X shape, the bottom of the fixed rod is fixed to one end of the lifting frame, the bottom of the sliding rod is slidably connected to the bottom of the lifting frame, and the lifting drive member is used to drive the sliding rod to slide in a horizontal direction to drive the top of the fixed rod and the sliding rod to rise and fall.

[0011] In one embodiment, the first lifting assembly and the second lifting assembly further include a support frame, which is mounted on the top of the fixed rod and the sliding rod and rises and falls with the top of the fixed rod and the sliding rod, and the support frame is provided with an abutment block for abutting against the tray.

[0012] In one embodiment,

[0013] A plurality of guide rails extending vertically are arranged in both the depalletizing rack and the stacking rack. The plurality of guide rails are arranged at intervals along the outer circumference of the pallet and are used for abutting against the pallet.

[0014] In one embodiment, the conveying mechanism includes a conveying frame and a conveying chain extending in the same direction as the conveying frame, the conveying chain makes a rotational motion along the extending direction of the conveying frame, the conveying chains are located on both sides of the conveying frame, and the width between the conveying chains located on both sides is greater than the width of the support frame, and the width of the pallet is greater than the width between the conveying chains located on both sides.

[0015] In one embodiment, a first sensor for sensing the battery stack is provided at the input port, a second sensor for sensing the battery stack is provided in the stacking cavity, the battery module conveyor line further comprises a controller and a conveyor chain driver for driving the conveyor chain to perform a rotary motion, the first sensor, the second sensor and the conveyor chain driver are all electrically connected to the controller, and the controller is used to control the conveyor chain at the input port to stop moving through the conveyor chain driver when the first sensor and the second sensor are triggered at the same time.

[0016] In one embodiment, a third sensor for sensing the pallet stack is provided at the output port, and the third sensor is electrically connected to the controller. The controller is used to control the conveyor chain at the palletizing cavity to stop rotating through the conveyor chain driving member when the third sensor is triggered.

[0017] In one embodiment, the conveying mechanism is U-shaped, and includes an open end and a closed end. The conveying mechanism located at the open end forms the input port and the output port. The closed end is provided with a material picking platform, and the material picking platform forms the material picking area. The material picking platform can be raised and lowered, and is used to lift the battery module located on the material picking platform.

[0018] The technical solution of the utility model is to set a destacking mechanism at the position of the conveying mechanism near the input port, and stack multiple layers of battery modules to form a battery stack. During transportation, the operator transports the battery stack to the input port by a forklift, and then puts the battery stack into the input port. The battery stack is transported to the destacking cavity by the conveying mechanism, and then the battery stack is lifted to the first locking assembly by the first lifting assembly. The first locking assembly clamps and fixes the battery module at the second to last layer at the bottom. At this time, the battery module at the bottom layer is not fixed, and the battery module at the bottom layer drops to the lowest point with the first lifting assembly. The battery module at the bottom layer contacts with the conveying mechanism and passes through The conveying mechanism continues to convey to the output port to remove a layer of battery modules from the battery stack and supply it, and then repeatedly performs the above operations to remove and convey the battery stack composed of multiple layers of battery modules layer by layer. By stacking multiple layers of battery modules to form a battery stack, the forklift can carry multiple battery modules to the input port at one time, thereby increasing the storage quantity of battery modules of the logistics forklift, ensuring sufficient supply speed of battery modules, and improving production efficiency. At the same time, compared with carrying multiple battery modules to the input port at one time, the workload of the forklift operator is reduced by multiples, reducing the workload of the forklift operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0020] Figure 1 A schematic structural diagram of an embodiment of a battery module conveyor line provided by the utility model;

[0021] Figure 2 A schematic structural diagram of a stacking mechanism according to an embodiment of the present invention;

[0022] Figure 3 A schematic structural diagram of a stacking mechanism according to an embodiment of the present invention;

[0023] Figure 4 A side structural diagram of a stacking mechanism according to an embodiment of the present invention

[0024] Figure 5 A schematic diagram of the structure of a battery stack according to an embodiment of the present invention;

[0025] Figure 6This is a schematic structural diagram of a first locking assembly according to an embodiment of the present invention.

[0026] Description of Figure Numbers:

[0027] 100. Battery module conveyor line; 1. Conveying mechanism; 11. Inlet; 12. Outlet; 13. Conveying rack; 2. Battery stack; 21. Battery module; 22. Pallet; 23. Pallet stack; 3. Destacking mechanism; 31. Destacking rack; 32. First locking assembly; 321. Mounting frame; 322. Clamping arm; 323. Clamping drive member; 33. First lifting assembly; 331. Lifting frame; 332. Lifting drive member; 333. Support frame; 334. Abutment block; 4. Palletizing mechanism; 41. Palletizing rack; 42. Second locking assembly; 43. Second lifting assembly; 5. Guide rail; 6. Retrieving table.

[0028] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0031] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0032] The existing battery modules are first transported by a single roller line. The logistics forklift can only carry one pallet of battery modules to the input port of the conveyor line at a time, and the logistics forklift needs to replenish the battery modules in time. Therefore, the number of battery modules stored is small, the module consumption rate is fast, and each time a single pallet is transported, the battery module supply speed is insufficient, resulting in reduced production efficiency. At the same time, the forklift operator needs to constantly place the pallet at the input port or take it off from the output port, which requires a lot of work for the forklift operator.

[0033] In order to solve the above problems, the present invention provides a battery module conveyor line 100 .

[0034] Please combine Figures 1 to 6 In one embodiment of the utility model, the battery module conveyor line 100 includes a conveying mechanism 1 and a destacking mechanism 3, and the two ends of the conveying mechanism 1 are respectively an input port 11 and an output port 12, the conveying mechanism 1 is used to convey the battery stack 2 input from the input port 11 toward the output port 12, and the battery stack 2 includes multiple layers of battery modules 21 stacked; the destacking mechanism 3 is arranged at a position of the conveying mechanism 1 close to the input port 11, the destacking mechanism 3 includes a destacking frame 31, a first locking assembly 32 and a first lifting assembly 33, the destacking frame 31 is surrounded outside the conveying mechanism 1, and encloses a destacking cavity for accommodating the battery stack 2, the first locking assembly 32 is used to clamp any layer of battery modules 21 in the battery stack 2, the first lifting assembly 33 abuts against a layer of battery modules 21 at the bottom of the battery stack 2 and drives the battery stack 2 to rise and fall, and when the first lifting assembly 33 is at the lowest point, the battery module 21 at the bottom layer contacts the conveying mechanism 1 and continues to be conveyed toward the output port 12 through the conveying mechanism 1.

[0035] The technical solution of the utility model is to set a destacking mechanism 3 at a position of the conveying mechanism 1 close to the input port 11, and stack multiple layers of battery modules 21 to form a battery stack 2. During transportation, the operator transports multiple battery stacks 2 to the input port 11 by a forklift, and then puts the battery stack 2 into the input port 11. The battery stack 2 is transported to the destacking chamber by the conveying mechanism 1, and then the first lifting component 33 lifts the battery stack 2 to the first locking component 32. The first locking component 32 clamps and fixes the battery module 21 located at the second to last layer at the bottom. At this time, the bottommost layer of battery modules 21 is not fixed, and the bottommost layer of battery modules 21 descends to the lowest point with the first lifting component 33. The bottommost layer of battery modules 21 is connected to the conveying mechanism 1. It touches and continues to be transported to the output port 12 through the conveying mechanism 1, so as to remove a layer of battery module 21 from the battery stack 2 and supply it, and then repeatedly perform the above operation, so that the battery stack 2 composed of multiple layers of battery modules 21 can be removed and transported layer by layer, and the design of the battery stack 2 is formed by stacking multiple layers of battery modules 21, so that the forklift can carry multiple battery modules 21 to the input port 11 at a time, thereby increasing the storage quantity of battery modules 21 of the logistics forklift, ensuring that the supply speed of the battery module 21 is sufficient, and improving production efficiency. At the same time, compared with carrying one battery module 21 at a time, carrying multiple battery modules 21 to the input port 11 at a time reduces the workload of the forklift operator by several times, thereby reducing the workload of the forklift operator.

[0036] In one embodiment, each battery module 21 is supported by a tray 22, and the battery module conveyor line 100 also includes a stacking mechanism 4, which is arranged at a position of the conveying mechanism 1 close to the output port 12, and a material taking area is formed between the input port and the output port 12, and an external device takes out the battery module 21 located in the material taking area, and the conveying mechanism 1 continues to convey the tray 22 after taking out the battery module 21 toward the output port 12, and the stacking mechanism 4 includes a stacking frame 41, a second locking assembly 42 and a second lifting assembly 43, the stacking frame 41 is arranged outside the conveying mechanism 1 and forms a stacking cavity, the second locking assembly 42 and the second lifting assembly 43 are both located in the stacking cavity, the second lifting assembly 43 is used to support the tray 22 entering the stacking cavity, and lift the tray 22 to the second locking assembly 42, and the second locking assembly 42 is used to clamp the tray 22 entering the stacking cavity, so as to stack multiple trays 22 layer by layer to form a tray stack 23.

[0037] The battery module 21 is supported by the tray 22. The first locking assembly 32 and the second locking assembly 42 both clamp the tray 22 to fix the battery module 21 on the tray 22 to prevent direct contact with the battery module 21 and damage. The battery module 21 on the tray 22 is transported toward the output port 12 by the conveying mechanism 1. After passing the material taking area, the external equipment takes away the battery module 21. The tray 22 continues to move along the conveying mechanism 1. At the same time, a stacking mechanism 4 is set at a position close to the output port 12. The tray 22 is lifted by the second lifting assembly 43, and then the tray 22 is locked by the second locking assembly 42. Then the second lifting assembly 43 descends to the lowest point, and the next tray 22 is transported to the second lifting assembly 43 by the conveying mechanism 1. , the second lifting assembly 43 is lifted until a new pallet 22 is in contact with the pallet 22 locked by the second locking assembly 42. At this time, the second locking assembly 42 is unlocked, and the second lifting assembly 43 is lifted until the pallet 22 at the bottom corresponds to the height of the second locking assembly 42. The second locking assembly 42 locks and fixes the bottom pallet 22, thereby stacking the two pallets 22. This action is repeatedly performed to stack multiple pallets 22 layer by layer to form a pallet stack 23. Then the second lifting assembly 43 drives the pallet stack 23 to descend and contact with the conveying mechanism 1, so that the conveying mechanism 1 conveys the pallet stack 23 to the output port 12. The forklift operator can take away multiple pallets 22 at a time, further improving work efficiency and reducing the workload of the operator.

[0038] Furthermore, the first locking assembly 32 and the second locking assembly 42 each include two sets of mounting frames 321 and clamping arms 322 arranged opposite to each other. The mounting frame 321 of the first locking assembly 32 is mounted on the depalletizing frame 31, and the mounting frame 321 of the second locking assembly 42 is mounted on the palletizing frame 41. A clamping drive 323 is arranged on the mounting frame 321 corresponding to the clamping arm 322. The clamping drive 323 is used to drive the corresponding clamping arm 322 to move closer to or away from the pallet 22 to clamp or release the pallet 22. The pallet 22 is clamped by two sets of clamping arms 322 arranged opposite to each other, so that the pallet 22 is subjected to bidirectional force, thereby improving its stability, and preventing deformation and damage caused by long-term unidirectional force, thereby extending its service life.

[0039] Furthermore, the first lifting assembly 33 and the second lifting assembly 43 both include a lifting frame 331 and a lifting drive 332. The lifting frame 331 includes a fixed rod and a sliding rod. The fixed rod and the sliding rod are arranged in an X shape. The bottom of the fixed rod is fixed to one end of the lifting frame 331. The bottom of the sliding rod is slidably connected to the bottom of the lifting frame 331. The lifting drive 332 is used to drive the sliding rod to slide in the horizontal direction to drive the top of the fixed rod and the sliding rod to rise and fall. The lifting drive 332 is directly installed at the bottom of the sliding rod, which makes the structure relatively simple, reduces parts and complex transmission systems, and improves the reliability of the system. At the same time, the lifting drive 332 is located at the bottom of the sliding rod, does not occupy additional space, and improves space utilization.

[0040] Normally, the input port 11 and output port 12 of the conveying mechanism 1 are provided with a grating. When the grating senses the presence of an operator or an object in its sensing area, it will trigger and control the conveying mechanism 1 to stop, causing the conveying mechanism 1 to stop each time the battery module 21 is put in, resulting in a significant decrease in production efficiency. Therefore, in one embodiment, a grating invalid button is provided at at least one of the input port 11 and the output port 12. When the battery module 21 is put in or the pallet stack 23 is taken out, the grating function is turned off by the grating invalid button to prevent the conveying mechanism 1 from stopping. After the input or removal is completed, the grating function is turned on again. By providing the grating invalid button, the conveying mechanism 1 is prevented from repeatedly stopping, thereby greatly improving production efficiency.

[0041] In one embodiment, the first lifting assembly 33 and the second lifting assembly 43 further include a support frame 333, which is installed on the top of the fixed rod and the sliding rod and rises and falls with the top of the fixed rod and the sliding rod, and is provided with abutment blocks 334 for abutting against the tray 22. By providing the support frame 333 and the abutment blocks 334, the contact area between the first lifting assembly 33 and the second lifting assembly 43 and the tray 22 is increased, and the stability of the support for the tray 22 is improved.

[0042] In one embodiment, a plurality of guide rails 5 extending vertically are disposed in both the depalletizing rack 31 and the stacking rack 41. The plurality of guide rails 5 are disposed at intervals along the outer circumference of the pallet 22 and are used to abut against the pallet 22. The plurality of guide rails 5 abutting against the pallet 22 provide guidance and limit functions for the lifting and lowering of the pallet 22, thereby improving the stability of the pallet 22 during the lifting and lowering process.

[0043] It can be understood that the clamping drive member 323 and the lifting drive member 332 can both be drive structures in the prior art such as a cylinder, a hydraulic cylinder, and an electric cylinder that can achieve repeated linear motion.

[0044] Specifically, the conveying mechanism 1 includes a conveying frame 13 and a conveying chain extending in the same direction as the conveying frame 13. The conveying chain performs a rotational motion along the extending direction of the conveying frame 13. The conveying chains are located on both sides of the conveying frame 13, and the width between the conveying chains on both sides is greater than the width of the support frame 333. The width of the pallet 22 is greater than the width between the conveying chains on both sides. The structure of the conveying chain is simple and stable, the transportation is smooth, and safety accidents are not prone to occur. At the same time, the width between the conveying chains on both sides is greater than the width of the support frame 333. At the same time, the width of the pallet 22 is greater than the width between the conveying chains on both sides, so that when the support frame 333 is at the lowest point, the conveying chain can directly contact the pallet 22 to drive the pallet 22 to continue to move along the conveying mechanism 1.

[0045] In one embodiment, a first sensor for sensing the battery stack 2 is provided at the input port 11, and a second sensor for sensing the battery stack 2 is provided in the stacking chamber. The battery module conveyor line 100 further includes a controller and a conveyor chain driver for the conveyor chain to perform a rotary motion. The first sensor, the second sensor and the conveyor chain driver are all electrically connected to the controller. The controller is used to control the conveyor chain at the input port 11 to stop moving through the conveyor chain driver when the first sensor and the second sensor are triggered at the same time. If the first sensor and the second sensor are triggered at the same time, it means that there are battery stacks 2 at the input port 11 and in the stacking chamber. At this time, the conveyor chain at the input port 11 is stopped from rotating, so that the battery stack 2 at the input port 11 is temporarily stored at the input port 11 to avoid interference caused by continuing to move into the stacking chamber, thereby effectively increasing the storage capacity of the battery module 21 on the conveying mechanism 1.

[0046] Furthermore, a third sensor for sensing the pallet stack 23 is provided at the output port 12, and the third sensor is electrically connected to the controller, and the controller is used to control the conveyor chain at the palletizing cavity to stop rotating through the conveyor chain driving member when the third sensor is triggered. If the third sensor is triggered, it means that the pallet stack 23 at the output port 12 has not been moved out by the operator yet, and at this time the conveyor chain at the palletizing cavity stops rotating to avoid interference with the pallet stack 23, while providing a buffer for the operator, greatly reducing the workload of the operator.

[0047] In one embodiment, the conveying mechanism 1 is arranged in a U shape, and the conveying mechanism 1 includes an open end and a closed end. The conveying mechanism 1 at the open end forms an input port 11 and an output port 12. The closed end is provided with a material taking platform 6, and the material taking platform 6 forms a material taking area. The material taking platform 6 can be raised and lowered, and is used to lift up the battery module 21 located on the material taking platform 6. The battery module 21 is lifted up by the material taking platform 6 to simplify the material taking process, facilitate external material taking equipment to take away the battery module 21, and improve production efficiency.

[0048] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A battery module conveyor line, It is characterized in that include: A conveying mechanism, wherein the two ends of the conveying mechanism are an input port and an output port respectively, and the conveying mechanism is used to convey the battery stack input from the input port toward the output port, wherein the battery stack includes multiple layers of the battery modules stacked in layers; A destacking mechanism, wherein the destacking mechanism is arranged at a position of the conveying mechanism close to the input port, the destacking mechanism comprises a destacking frame, a first locking assembly and a first lifting assembly, the destacking frame is arranged outside the conveying mechanism and forms a destacking cavity for accommodating the battery stack, the first locking assembly is used to clamp any layer of the battery modules in the battery stack, the first lifting assembly is used to abut against a layer of the battery modules located at the bottom of the battery stack and drive the battery stack to rise and fall, and when the first lifting assembly is at the lowest point, the battery modules located at the bottom layer contact the conveying mechanism and continue to be conveyed toward the output port through the conveying mechanism.

2. The battery module conveyor line according to claim 1, It is characterized in that Each of the battery modules is supported by a pallet, and the battery module conveyor line also includes a palletizing mechanism, which is arranged at a position of the conveyor mechanism close to the output port, and a material taking area is formed between the input port and the output port, and an external device takes out the battery module located in the material taking area, and the conveyor mechanism continues to convey the pallet after taking out the battery module toward the output port, and the palletizing mechanism includes a palletizing frame, a second locking assembly and a second lifting assembly, and the palletizing frame is arranged outside the conveyor mechanism and forms a palletizing cavity, and the second locking assembly and the second lifting assembly are both located in the palletizing cavity, and the second lifting assembly is used to support the pallet entering the palletizing cavity and lift the pallet to the second locking assembly, and the second locking assembly is used to clamp the pallet entering the palletizing cavity so as to stack multiple pallets layer by layer to form a pallet stack.

3. The battery module conveyor line according to claim 2, It is characterized in that The first locking assembly and the second locking assembly each include two sets of mounting frames and clamping arms arranged opposite to each other. The mounting frame of the first locking assembly is installed on the depalletizing frame, and the mounting frame of the second locking assembly is installed on the palletizing frame. A clamping driving member is provided on the mounting frame corresponding to the clamping arm, and the clamping driving member is used to drive the corresponding clamping arm to move closer to or away from the pallet to clamp or release the pallet accordingly.

4. The battery module conveyor line according to claim 3, It is characterized in that The first lifting assembly and the second lifting assembly both include a lifting frame and a lifting drive member, the lifting frame includes a fixed rod and a sliding rod, the fixed rod and the sliding rod are arranged in an X shape, the bottom of the fixed rod is fixed to one end of the lifting frame, the bottom of the sliding rod is slidably connected to the bottom of the lifting frame, and the lifting drive member is used to drive the sliding rod to slide in a horizontal direction to drive the top of the fixed rod and the sliding rod to rise and fall.

5. The battery module conveyor line according to claim 4, It is characterized in that The first lifting assembly and the second lifting assembly also include a support frame, which is installed on the top of the fixed rod and the sliding rod and rises and falls with the top of the fixed rod and the sliding rod. The support frame is provided with an abutment block for abutting against the tray.

6. The battery module conveyor line according to claim 5, It is characterized in that A plurality of guide rails extending vertically are arranged in both the depalletizing rack and the stacking rack. The plurality of guide rails are arranged at intervals along the outer circumference of the pallet and are used for abutting against the pallet.

7. The battery module conveyor line according to claim 6, It is characterized in that The conveying mechanism includes a conveying frame and a conveying chain extending in the same direction as the conveying frame, the conveying chain rotates along the extending direction of the conveying frame, the conveying chains are located on both sides of the conveying frame, and the width between the conveying chains on both sides is greater than the width of the support frame, and the width of the pallet is greater than the width between the conveying chains on both sides.

8. The battery module conveyor line according to claim 7, It is characterized in that A first sensor for sensing the battery stack is provided at the input port, a second sensor for sensing the battery stack is provided in the stacking cavity, the battery module conveyor line further comprises a controller and a conveyor chain driver for driving the conveyor chain to perform a rotary motion, the first sensor, the second sensor and the conveyor chain driver are all electrically connected to the controller, and the controller is used to control the conveyor chain at the input port to stop moving through the conveyor chain driver when the first sensor and the second sensor are triggered simultaneously.

9. The battery module conveyor line according to claim 8, It is characterized in that A third sensor for sensing the pallet stack is provided at the output port, and the third sensor is electrically connected to the controller. The controller is used to control the conveyor chain at the palletizing cavity to stop rotating through the conveyor chain driving member when the third sensor is triggered.

10. The battery module conveyor line according to any one of claims 2 to 9, It is characterized in that The conveying mechanism is U-shaped and includes an open end and a closed end. The conveying mechanism located at the open end forms the input port and the output port. The closed end is provided with a material-collecting platform, which forms the material-collecting area. The material-collecting platform can be raised and lowered and is used to lift the battery module located on the material-collecting platform.

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