Assembling system and production line of battery pack

Abstract

The utility model discloses an assembly system and a production line of a battery pack, and relates to the technical field of battery pack production, the assembly system of the battery pack comprises a gluing position, a loading position and a tightening position which are arranged in sequence, and the assembly system further comprises a material conveying device, a gluing device, a loading device and a tightening device; the material conveying device comprises an AGV transfer trolley, and the AGV transfer trolley is used for loading the battery cover shells and conveying the battery cover shells to the gluing position, the loading position and the tightening position in sequence. The gluing device is arranged corresponding to the gluing position and comprises a gluing robot and a first visual module; the loading device is arranged corresponding to the loading position and comprises a loading robot and a second visual module; the tightening device is arranged corresponding to the tightening position and comprises a tightening robot and a third visual module. According to the battery pack assembling system provided by the utility model, the battery module can be accurately mounted in the battery cover shell, so that the assembling error is reduced, and the forming quality of the battery pack is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery pack production technical field, especially a kind of assembly system and production line of battery pack. BACKGROUND

[0002] At present in the production process of battery pack, battery module needs to be assembled in battery cover shell. In the process of assembling battery module in battery cover shell, heat-conducting glue needs to be brushed in battery cover shell, then battery module is reinforced and assembled in battery cover shell, and finally battery module is tightened and fixed with battery cover shell. However, in the current assembly process of battery pack, the gluing device, the mounting device and the tightening device are difficult to accurately position the battery cover shell, which makes it difficult to accurately assemble the battery module in the battery cover shell, and the assembly error is large, and the forming quality of the battery pack is poor. SUMMARY

[0003] The main purpose of the utility model is to provide an assembly system and production line of battery pack, to solve the technical problems that it is difficult to accurately assemble the battery module in the battery cover shell, the assembly error is large, and the forming quality of the battery pack is poor.

[0004] To achieve the above-mentioned purpose, the assembly system of battery pack provided by the utility model comprises a gluing position, a loading position and a tightening position arranged in sequence, and further comprises:

[0005] A material conveying device, the material conveying device comprises an AGV transfer vehicle, and the AGV transfer vehicle is used for loading battery cover shell and transporting the battery cover shell to the gluing position, the loading position and the tightening position in sequence;

[0006] A gluing device, the gluing device is arranged corresponding to the gluing position, and the gluing device comprises a gluing robot and a first vision module, the gluing robot is used for brushing heat-conducting glue to the battery cover shell located at the gluing position, and the gluing vision module is used for shooting the battery cover shell located at the gluing position;

[0007] A loading device, the loading device is arranged corresponding to the loading position, and the loading device comprises a loading robot and a second vision module, the loading robot is used for preloading battery module in the battery cover shell located at the loading position, and the second vision module is used for shooting the battery cover shell located at the loading position;

[0008] A tightening device, the tightening device is arranged corresponding to the tightening position, and the tightening device comprises a tightening robot and a third vision module, the tightening robot is used for tightening the battery cover shell located at the tightening position and the battery module preloaded therein to form the battery pack, and the third vision module is used for shooting the battery cover shell located at the tightening position.

[0009] In an embodiment, the assembly system further comprises a conveying belt for conveying the battery module, and a fourth vision module, a discharging position is formed on the conveying belt, the gluing position, the loading position and the tightening position are located on one side of the conveying belt and are sequentially arranged along the conveying direction of the conveying belt, the loading position is arranged corresponding to the discharging position, the loading robot is used for grabbing the battery module at the discharging position and preloading the battery module into the battery shell at the loading position, and the fourth vision module is arranged close to the discharging position and is used for shooting the battery module at the discharging position.

[0010] In an embodiment, the first vision module, the second vision module, the third vision module and the fourth vision module each comprise a support and a 2D camera mounted on the support.

[0011] In an embodiment, the material conveying device comprises a plurality of first vision modules arranged around the gluing position, the loading device comprises a plurality of second vision modules arranged around the loading position, the tightening device comprises a plurality of third vision modules arranged around the tightening position, and a plurality of fourth vision modules are arranged around the discharging position.

[0012] In an embodiment, the first vision module, the second vision module, the third vision module and the fourth vision module each further comprise a fill light mounted on the support.

[0013] In an embodiment, the periphery of the gluing position and the loading position is surrounded by a surrounding frame, and the gluing device and the loading device are respectively located in the surrounding frame at the gluing position and the surrounding frame at the loading position, and two through openings are formed on the opposite sides of the surrounding frame in the horizontal direction.

[0014] In an embodiment, a through door is arranged at each through opening, and a sensor switch is arranged corresponding to the through door at each through opening, and the sensor switch is electrically connected with the corresponding through door.

[0015] In an embodiment, the gluing device further comprises a 3D camera, and the 3D camera is used for shooting the heat-conducting glue brushed on the battery shell.

[0016] In an embodiment, the gluing device further comprises a gluing dosing machine, and the gluing dosing machine is used for providing the gluing robot with a dosed amount of the heat-conducting glue.

[0017] The utility model also proposes a battery pack production line, the battery pack production line applies has the battery pack's assembly system as claim above.

[0018] The technical scheme of the utility model discloses through adopting AGV transfer trolley first transport battery cover shell to gluing position, first visual module can be carried out to the battery cover shell of shooting in gluing position, can accurately obtain the position information of battery cover shell in gluing position, thereby realizing accurate positioning of battery cover shell in gluing position. Gluing robot can brush heat-conducting glue to battery cover shell according to the position information of battery cover shell in gluing position obtained by first visual module, thereby can accurately brush battery cover shell, and the brushing effect is good, can effectively improve the forming quality of battery pack. After brushing heat-conducting glue to battery cover shell, again through AGV transfer trolley, transport battery cover shell to loading position, second visual module can be carried out to the battery cover shell of shooting in loading position, can accurately obtain the position information of battery cover shell in loading position, thereby realizing accurate positioning of battery cover shell in loading position. Loading robot can accurately preinstall battery module in battery cover shell according to the position information of battery cover shell in loading position obtained by second visual module, can effectively reduce assembly error, and can further improve the forming quality of battery pack. After preinstalling battery module in battery cover shell, through AGV transfer trolley, transport battery cover shell to tightening position, third visual module can be carried out to the battery cover shell of shooting in tightening position, can accurately obtain the position information of battery cover shell in tightening position, thereby realizing accurate positioning of battery cover shell in tightening position. According to the position information of battery cover shell in tightening position obtained by third visual module, tightening robot can accurately tighten battery cover shell and battery module in battery cover shell, can more effectively reduce assembly error, and the tightening is more firm and reliable, thereby can further improve the forming quality of battery pack. Through the assembly system of battery pack provided by the utility model can accurately install battery module in battery cover shell, reduces assembly error, and effectively improves the forming quality of battery pack. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will be to the drawings needed to be used in the embodiment or prior art description simple introduction, obviously, below description in the drawings only some embodiments of the utility model, for those skilled in the art, under the premise of not paying creative labor, according to the structure shown in these drawings, other drawings can also be obtained.

[0020] Figure 1 It is the structure schematic diagram of an embodiment of the assembly system provided by the utility model;

[0021] Figure 2 It is the structure schematic diagram of the gluing device in an embodiment of the assembly system provided by the utility model;

[0022] Figure 3The structure schematic view of the loading device in an embodiment of the assembly system provided by the utility model is shown in the figure.

[0023] Figure 4 The structure schematic view of the tightening device in an embodiment of the assembly system provided by the utility model is shown in the figure.

[0024] Figure 5 The structure schematic view of the visual module in the glue coating device in an embodiment of the assembly system provided by the utility model is shown in the figure.

[0025] Explanation of reference numerals:

[0026] 100, assembly system; 10, AGV transfer trolley; 20, glue coating device; 21, glue coating robot; 22, first visual module; 221, support; 222, 2D camera; 223, light supplement lamp; 30, loading device; 31, loading robot; 32, second visual module; 40, tightening device; 41, tightening robot; 42, third visual module; 50, glue coating position; 60, loading position; 70, tightening position; 80, conveying belt; 81, unloading position; 82, fourth visual module; 90, enclosure frame; 91, passing port; 92, inductive switch; 93, passing door.

[0027] The realization, functional features and advantages of the utility model will be further explained in combination with embodiments and with reference to the drawings. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture, and if the specific posture changes, the directional indications also change accordingly.

[0030] In addition, if the description of "first", "second" and the like is involved in the embodiments of the utility model, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, if "and / or" or "and / or" appears throughout the text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not in the protection scope required by the utility model.

[0031] The utility model provides a kind of assembly system 100 of battery pack.

[0032] Please refer to Figures 1 to 5 In an embodiment of the utility model, the assembly system 100 of battery pack includes glue coating site 50, loading site 60 and tightening site 70 arranged in sequence, and the assembly system 100 further includes material conveying device, glue coating device 20, loading device 30 and tightening device 40;Wherein, material conveying device includes AGV transfer trolley, and AGV transfer trolley is used to load battery cover shell, and sequentially transports battery cover shell to glue coating site 50, loading site 60 and tightening site 70;Glue coating device 20 is correspondingly arranged at glue coating site 50, and glue coating device 20 includes glue coating robot 21 and first vision module 22, glue coating robot 21 is used to brush heat-conducting adhesive to the battery cover shell located at glue coating site 50, and glue coating vision module is used to photograph the battery cover shell located at glue coating site 50;Loading device 30 is correspondingly arranged at loading site 60, and loading device 30 includes loading robot 31 and second vision module 32, loading robot 31 is used to pre-load battery module in the battery cover shell located at loading site 60, and second vision module 32 is used to photograph the battery cover shell located at loading site 60;Tightening device 40 is correspondingly arranged at tightening site 70, and tightening device 40 includes tightening robot 41 and third vision module 42, tightening robot 41 is used to tighten the battery cover shell located at tightening site 70 and the battery module preloaded in it, to form battery pack, and third vision module 42 is used to photograph the battery cover shell located at tightening site 70.

[0033] The technical scheme of the utility model discloses through adopt AGV transfer car first battery cover shell is transported to the gluing position 50, first vision module 22 can be to the battery cover shell of being located at gluing position 50 carry out shooting, can accurately obtain the position information of the battery cover shell of being located at gluing position 50, to realize the accurate positioning of the battery cover shell of being located at gluing position 50.

[0034] It should be noted that the interaction between the first vision module 22 and the gluing robot 21, the second vision module 32 and the loading robot 31, and the third vision module 42 and the tightening robot 41 all adopt existing technologies.

[0035] In an embodiment, the assembling system 100 further comprises a conveying belt 80 for conveying the battery module, and a fourth vision module 82, the conveying belt 80 is provided with a discharging position 81, the glue applying position 50, the loading position 60 and the tightening position 70 are located on one side of the conveying belt 80 and are sequentially arranged along the conveying direction of the conveying belt 80, the loading position 60 corresponds to the discharging position 81, the loading robot 31 is used to grab the battery module at the discharging position 81 and pre-load it into the battery shell at the loading position 60, and the fourth vision module 82 is arranged close to the discharging position 81 and is used to shoot the battery module at the discharging position 81.

[0036] Further, as shown in Figure 1 the conveying belt 80 extends along the left-right direction and can transport the battery module along the left-right direction, the glue applying position 50, the loading position 60 and the tightening position 70 are located on the rear side of the conveying belt 80 and are sequentially arranged along the direction from right to left, the conveying belt 80 is provided with the discharging position 81, and the loading position 60 and the fourth vision module 82 are arranged close to the discharging position 81. The conveying belt can continuously transport the battery module to the discharging position 81 for the loading robot 31 to grab, which is more automated and efficient in assembling. The fourth vision module 82 is used to shoot the battery module at the discharging position 81 on the conveying belt 80 to obtain the position information of the battery module at the discharging position 81. This enables the loading robot to accurately position the battery module at the discharging position 81, so as to accurately grab the battery module at the discharging position 81, which is more accurate in grabbing.

[0037] It should be noted that the interaction between the fourth vision module 82 and the loading robot 31 adopts the prior art.

[0038] In an embodiment, the first vision module 22, the second vision module 32, the third vision module 42 and the fourth vision module 82 each comprise a bracket 221 and a 2D camera mounted on the bracket 221.

[0039] Specifically, as shown in Figure 5 the 2D camera can provide high-resolution image data, and through the image processing algorithm in the prior art, the feature points of the battery shell and the battery module can be accurately recognized and positioned, thereby ensuring the accuracy of the glue applying, loading and tightening operations.

[0040] In an embodiment, the material conveying device comprises a plurality of first vision modules 22 arranged around the glue applying position 50, the loading device 30 comprises a plurality of second vision modules 32 arranged around the loading position 60, the tightening device 40 comprises a plurality of third vision modules 42 arranged around the tightening position 70, and a plurality of fourth vision modules 82 are arranged around the discharging position 81.

[0041] Specifically, as shown inFigures 2 to 4 As shown, multiple vision modules are arranged around the adhesive application position 50, the loading position 60, and the tightening position 70, enabling the detection and positioning of the battery cover and battery module from multiple angles. This comprehensive detection method ensures the accuracy of adhesive application, loading, and tightening operations, resulting in higher precision.

[0042] In one embodiment, the first visual module 22, the second visual module 32, the third visual module 42 and the fourth visual module 82 all further include a fill light 223 mounted on the bracket 221.

[0043] Furthermore, the supplementary light 223 provides stable and uniform light to the 2D camera, enabling it to acquire clear images. This allows for more accurate acquisition of the battery cover's position information at the adhesive application position 50, loading position 60, and tightening position 70, thereby further improving the precision of the adhesive application, pre-assembly, and tightening operations. Moreover, the supplementary light 223 allows the 2D camera to shoot under various lighting conditions, enhancing its adaptability.

[0044] In one embodiment, both the glue application position 50 and the loading position 60 are surrounded by a protective frame 90, and the glue application device 20 and the loading device 30 are located inside the protective frame 90 where the glue application position 50 is located and the protective frame 90 where the loading position 60 is located, respectively. The protective frame 90 has two passage openings 91 on opposite sides in the horizontal direction.

[0045] Specifically, such as Figures 2 to 3 As shown, both the gluing position 50 and the loading position 60 are surrounded by protective frames 90. These frames isolate dust and debris from the external environment, effectively preventing interference during gluing and loading, thus ensuring the quality of the battery pack's molding. The protective frames 90 have access ports 91 on their left and right sides, allowing the AGV transport vehicle to enter the protective frames 90.

[0046] In one embodiment, a passage door 93 is provided at each passage opening 91, and a sensor switch 92 is provided at each passage opening 91 corresponding to the passage door 93, and the sensor switch 92 is electrically connected to its corresponding passage door 93.

[0047] Furthermore, the door 93 provides more comprehensive isolation from dust and debris in the external environment, reducing interference with the assembly process and further ensuring the precision and quality of gluing and loading operations. The proximity switch 92 automatically detects the approach of the AGV transport vehicle and controls the door 93 to open or close its corresponding access port 91 based on the sensing result, allowing the AGV transport vehicle to enter or leave the enclosure 90, resulting in a high degree of automation.

[0048] In an embodiment, the glue coating device 20 further comprises a 3D camera, which is used to take photos of the heat-conducting glue coated on the battery shell.

[0049] Specifically, the 3D camera can obtain the three-dimensional information of the heat-conducting glue, including the width, height, position and continuity of the heat-conducting glue, to ensure that the quality of the heat-conducting glue coated on the battery shell meets the design requirements.

[0050] It should be noted that the interaction between the 3D camera and the glue coating robot 21 adopts the prior art.

[0051] In an embodiment, the glue coating device 20 further comprises a glue coating quantifier, which is used to provide the glue coating robot 21 with a certain amount of heat-conducting glue.

[0052] Specifically, the glue coating quantifier can accurately control the discharge amount of the heat-conducting glue, ensuring that the amount of heat-conducting glue coated each time is consistent, thereby ensuring that the quality of the heat-conducting glue coated on the battery shell meets the design requirements.

[0053] The utility model further proposes a battery pack production line, the battery pack production line application has battery pack's assembly system 100, the specific structure of battery pack's assembly system 100 refers to the above embodiment, because the battery pack production line of this adopts all the technical schemes of the above all embodiments, therefore at least has all the beneficial effects brought by the technical scheme of the above embodiment, here will not repeat one by one.

[0054] The above is only the exemplary embodiment of the utility model, and does not limit the patent range of the utility model, and all equivalent structural transformations made by the utility model specification and the attached drawings, or direct / indirect application in other related technical fields under the technical concept of the utility model are included in the patent protection range of the utility model.

Claims

1. A battery pack assembly system, characterized in that, The assembly system includes a gluing station, a loading station, and a tightening station arranged sequentially. The assembly system also includes: A material handling device, comprising an AGV transfer vehicle, which is used to load battery housings and transport the battery housings sequentially to the gluing position, the loading position, and the tightening position; An adhesive application device is provided corresponding to the adhesive application position. The adhesive application device includes an adhesive application robot and a first vision module. The adhesive application robot is used to apply thermally conductive adhesive to the battery cover located at the adhesive application position, and the adhesive application vision module is used to photograph the battery cover located at the adhesive application position. A loading device is provided corresponding to the loading position. The loading device includes a loading robot and a second vision module. The loading robot is used to pre-install the battery module into the battery housing located at the loading position, and the second vision module is used to photograph the battery housing located at the loading position. A tightening device is provided corresponding to the tightening position. The tightening device includes a tightening robot and a third vision module. The tightening robot is used to tighten the battery cover located at the tightening position and the battery module pre-installed therein to form the battery pack. The vision module is used to photograph the battery cover located at the tightening position.

2. The battery pack assembly system as described in claim 1, characterized in that, The assembly system also includes a conveyor belt and a fourth vision module. The conveyor belt is used to transport the battery module. An unloading position is formed on the conveyor belt. The glue application position, the loading position, and the tightening position are all located on one side of the conveyor belt and are arranged sequentially along the conveying direction of the conveyor belt. The loading position is set corresponding to the unloading position. The loading robot is used to grab the battery module located at the unloading position and pre-install it in the battery cover located at the loading position. The fourth vision module is set close to the unloading position and is used to photograph the battery module located at the unloading position.

3. The battery pack assembly system as described in claim 2, characterized in that, The first visual module, the second visual module, the third visual module, and the fourth visual module all include a bracket and a 2D camera mounted on the bracket.

4. The battery pack assembly system as described in claim 3, characterized in that, The material conveying device includes multiple first vision modules arranged around the glue application position, the loading device includes multiple second vision modules arranged around the loading position, the tightening device includes multiple third vision modules arranged around the tightening position, and multiple fourth vision modules are arranged around the unloading position.

5. The battery pack assembly system as described in claim 4, characterized in that, The first visual module, the second visual module, the third visual module, and the fourth visual module all further include supplementary lights mounted on the bracket.

6. The battery pack assembly system according to any one of claims 1 to 5, characterized in that, Both the glue application position and the loading position are surrounded by a protective frame, and the glue application device and the loading device are located inside the protective frame where the glue application position is located and the protective frame where the loading position is located, respectively. The protective frame has two passage openings on opposite sides in the horizontal direction.

7. The battery pack assembly system as described in claim 6, characterized in that, A passage door is provided at each of the passage openings, and a sensor switch is provided at each of the passage openings corresponding to the passage door, wherein the sensor switch is electrically connected to the passage door corresponding to it.

8. The battery pack assembly system according to any one of claims 1 to 5, characterized in that, The adhesive application device also includes a 3D camera, which is used to capture images of the thermally conductive adhesive applied to the battery casing.

9. The battery pack assembly system according to any one of claims 1 to 5, characterized in that, The adhesive application device also includes an adhesive dispensing meter, which is used to provide a metered amount of the thermally conductive adhesive to the adhesive application robot.

10. A production line for a battery pack, characterized in that, The battery pack production line uses the battery pack assembly system as described in any one of claims 1 to 9.

Images