A full-automatic production line for battery pack BMS distribution box

Abstract

The application relates to the technical field of battery pack BMS distribution boxes, and discloses a full-automatic production line for battery pack BMS distribution boxes, which comprises, sequentially arranged along a production conveying belt, a bottom shell loading station, a glue filling station, a high-temperature curing and cooling station, a copper bar and support mounting station, a shunt mounting station, an automatic screw locking station, a screw cover mounting station, a contact resistance testing station, a PCB plate mounting station, a PCB plate screw locking station, an overturning and lifting station, a selective wave soldering station, an AOI detection station, an upper cover mounting station, an integrated comprehensive testing station and a full-inspection off-machine station. The full-automatic production line for battery pack BMS distribution boxes can realize the automatic production of the battery pack BMS distribution boxes by constructing the full-automatic production line, so that the automatic production level of the battery pack BMS distribution boxes is improved, the labor cost and labor intensity are reduced, the production efficiency is improved, and positive effects are brought to the enterprise in all aspects.

Description

Technical Field

[0001] This invention relates to the field of battery pack BMS distribution box manufacturing technology, and in particular to a fully automated production line for battery pack BMS distribution boxes. Background Technology

[0002] With the development of modern society, environmental pollution has become increasingly serious, and the development of new energy vehicles has received more and more attention.

[0003] As an important component of new energy vehicles, the battery pack BMS distribution box involves multiple workstations in its production process, and the manufacturing process is very complex. Currently, each workstation is operated manually, which not only results in high labor costs and high labor intensity, but also low production efficiency.

[0004] Therefore, improvements to existing technologies are necessary.

[0005] The above information is provided as background information only to aid in understanding this disclosure and does not constitute an assertion or admission that any of the above content can be used as prior art relative to this disclosure. Summary of the Invention

[0006] This invention provides a fully automated production line for battery pack BMS distribution boxes to solve the problems existing in the prior art.

[0007] To achieve the above objectives, the present invention provides the following technical solution:

[0008] A fully automated production line for battery pack (BMS) distribution boxes includes, sequentially arranged along the production conveyor belt, a bottom shell feeding station, a glue-filling station, a high-temperature curing and cooling station, a copper busbar and bracket installation station, a shunt installation station, an automatic screw-locking station, a screw cover installation station, a contact resistance testing station, a PCB board installation station, a PCB board screw-locking station, a flipping and lifting station, a selective wave soldering station, an AOI inspection station, a cover installation station, an integrated testing station, and a full inspection and unloading station.

[0009] Furthermore, in the fully automated production line for the battery pack BMS distribution box, the bottom shell loading station includes a first elevator, a first robotic arm, a first robotic arm moving module, a first tray loading module, and a first vision inspection module.

[0010] The first elevator is used to lift and lower the tooling pallet;

[0011] The first tray loading module is used to carry the bottom shell, pre-charge resistor and positive and negative relays respectively and to load them;

[0012] The first robotic arm is used to grasp the bottom shell and place it on the tooling tray, grasp the pre-charge resistor and positive and negative relays and install them on the bottom shell, and grasp the process barcode and affix it to the bottom shell.

[0013] The first robotic arm movement module is used to drive the first robotic arm to move;

[0014] The first vision detection module is used to assist the first robotic arm in grasping objects and to detect whether the bottom shell, pre-charge resistor and positive and negative relays are installed correctly.

[0015] Furthermore, in the fully automated production line for the battery pack BMS distribution box, the glue-filling station includes a glue supply group, a three-axis module, and a glue dispensing assembly.

[0016] The three-axis module is used to move the dispensing assembly to the dispensing position;

[0017] The dispensing assembly is used to dispense adhesive onto the pre-charged resistor and the positive and negative relays at the dispensing position.

[0018] The adhesive supply unit is used to supply adhesive.

[0019] Furthermore, in the fully automated production line for the battery pack BMS distribution box, the high-temperature curing and cooling station includes a curing and cooling tunnel oven;

[0020] The curing and cooling tunnel oven is used to cure and cool the products on the tooling tray at high temperature.

[0021] Baking temperature 85±5℃, baking time ≥1 hour

[0022] The heating method is hot air circulation heating, and the hot air pipes inside the furnace are evenly distributed;

[0023] The cooling method is cold air circulation cooling.

[0024] Furthermore, in the fully automated production line for the battery pack BMS distribution box, the copper busbar and bracket installation station includes a first flipping mechanism, a second robotic arm, a second robotic arm moving module, a second tray feeding module, and a second vision inspection module.

[0025] The first flipping mechanism is used to flip the product 180 degrees for the installation of copper busbars and brackets, and to flip it 180 degrees to return it to its original position after installation.

[0026] The second tray loading module is used to carry and load copper busbar 1, copper busbar 2, copper busbar 3, copper busbar 4, bracket 1, bracket 2, bracket 3 and bracket 4 respectively;

[0027] The second robotic arm is used to grab copper busbar 1, copper busbar 2, copper busbar 3, copper busbar 4, bracket 1, bracket 2, bracket 3 and bracket 4 and install them onto the bottom shell;

[0028] The second robotic arm movement module is used to drive the second robotic arm to move;

[0029] The second vision detection module is used to assist the second robotic arm in grasping objects and to detect whether copper busbar 1, copper busbar 2, copper busbar 3, copper busbar 4, bracket 1, bracket 2, bracket 3 and bracket 4 are installed properly.

[0030] Furthermore, in the fully automated production line for the battery pack BMS distribution box, the shunt installation station includes a second flipping mechanism, a third robotic arm, a third robotic arm moving module, a third tray feeding module, and a third vision inspection module.

[0031] The second flipping mechanism is used to flip the product 180 degrees in preparation for the installation of the distributor, and to flip it 180 degrees to reset it after installation.

[0032] The third tray loading module is used to load the splitter, splitter pins and copper busbars respectively.

[0033] The third robotic arm is used to grasp the splitter, splitter pins and copper busbars and install them onto the base shell.

[0034] The third robotic arm movement module is used to drive the third robotic arm to move;

[0035] The third vision detection module is used to assist the third robotic arm in grasping objects and to detect whether the splitter, splitter pins and copper busbar are installed properly.

[0036] Furthermore, in the fully automated production line for the battery pack BMS distribution box, the automatic screw fastening station includes a first feeder, a first fastening assembly, a first screw correction group, and a first defective screw receiving group;

[0037] The first feeder is used to supply screws;

[0038] The first fastening assembly is used to fasten the screws on the copper busbar;

[0039] The first screw correction group is used to check whether the screws are straight and to correct them.

[0040] The first defective screw collection group is used to collect screws that are defective.

[0041] Furthermore, in the fully automated production line for the battery pack BMS distribution box, the screw cover mounting station includes a four-axis robot group and a screw cover vibratory feeder;

[0042] The screw cap vibratory feeder is used to carry the screw cap and feed it.

[0043] The four-axis robot assembly is used to grasp and install screw caps.

[0044] Furthermore, in the fully automated production line for the battery pack BMS distribution box, the contact resistance testing station includes a first lifting and positioning mechanism and a contact resistance testing component;

[0045] The first lifting and positioning mechanism is used to lift the tooling pallet;

[0046] The contact resistance testing assembly is used to test the contact resistance of copper busbars, shunts, and positive and negative relays.

[0047] Furthermore, in the fully automated production line for the battery pack BMS distribution box, the PCB board mounting station includes a fourth robotic arm, a fourth robotic arm moving module, a fourth tray loading module, and a fourth vision inspection module.

[0048] The fourth tray loading module is used to carry and load the buffer pad, copper busbar, and PCB board respectively.

[0049] The fourth robotic arm is used to grasp the buffer pad, copper busbar, and PCB board and install them onto the bottom shell.

[0050] The fourth robotic arm movement module is used to drive the fourth robotic arm to move;

[0051] The fourth vision detection module is used to assist the fourth robotic arm in grasping objects and to detect whether the buffer pad, copper busbar, and PCB board are installed correctly.

[0052] Furthermore, in the fully automated production line for the battery pack BMS distribution box, the PCB board screw-locking station includes a second feeder, a second screw-locking assembly, a second screw correction group, and a second defective screw receiving group.

[0053] The second feeder is used to supply screws;

[0054] The second fastening assembly is used to fasten the screws of the copper busbar;

[0055] The second screw correction group is used to check whether the screws are straight and to correct them.

[0056] The second defective screw collection group is used to collect screws that are defective.

[0057] Furthermore, in the fully automated production line for the battery pack BMS distribution box, the flipping and lifting station includes a third flipping mechanism and a lifting mechanism;

[0058] The third flipping mechanism is used to achieve a 180-degree flip and precise positioning of the product for selective wave soldering, and to reset it after completion.

[0059] The lifting mechanism raises the product to the height of the selective wave soldering track and allows it to flow into the track for selective wave soldering, and then resets after completion.

[0060] Furthermore, in the fully automated production line for the battery pack BMS distribution box, the selective wave soldering station includes a preheating spray integrated machine, a module soldering machine, and a solder ball cleaning machine;

[0061] The preheating spray integrated machine is used to realize the BMC spray preheating function of the product;

[0062] The module welding machine is used to perform tin-spray soldering on the insert connection points of the product BMC.

[0063] The solder ball cleaning machine cleans the solder balls on the surface of the product's BMC.

[0064] Furthermore, in the fully automated production line for the battery pack BMS distribution box, the AOI inspection station includes an AOI vision component and a welding station;

[0065] The AOI vision component is used for AOI inspection of selective wave soldering.

[0066] The welding station is used to provide a working platform for manual welding.

[0067] Furthermore, in the fully automated production line for the battery pack BMS distribution box, the cover mounting station includes a fifth robotic arm, a fifth tray loading module, and a coding device;

[0068] The fifth tray loading module is used to support the top cover and load materials.

[0069] The fifth robotic arm is used to grab the top cover and install it onto the bottom shell;

[0070] The inkjet printer is used to print codes on a defined location on the top cover.

[0071] Furthermore, in the fully automated production line for the battery pack BMS distribution box, the integrated comprehensive testing station includes a second lifting and positioning mechanism and a test probe plate;

[0072] The lifting and positioning mechanism is used to lift the tooling pallet;

[0073] The test probe is used to perform negative circuit-casing withstand voltage tests, positive circuit-casing withstand voltage tests, and positive-negative circuit withstand voltage tests.

[0074] Furthermore, in the fully automated production line for the battery pack BMS distribution box, the full inspection off-machine station includes a second elevator, a sixth robotic arm, a CCD detection group, and a finished product pallet;

[0075] The sixth robotic arm picks up the product and places it at the CCD inspection station;

[0076] The CCD inspection group is used for CCD inspection of the product appearance;

[0077] The finished product pallet is used to carry the finished product.

[0078] Furthermore, in the fully automated production line for the battery pack BMS distribution box, the production conveyor belt includes several sections of conveyor belt corresponding to each workstation.

[0079] Compared with the prior art, the present invention has the following beneficial effects:

[0080] This invention provides a fully automated production line for battery pack BMS distribution boxes. By constructing a fully automated production line, the automated production of battery pack BMS distribution boxes can be realized, thereby improving the automation level of battery pack BMS distribution box production and processing. This not only reduces labor costs and labor intensity, but also improves production efficiency, bringing positive effects to enterprises in various aspects.

[0081] The present invention has other features and advantages, which will be apparent from or will be set forth in detail in the accompanying drawings and the following detailed description, which together serve to explain the particular principles of the invention. Attached Figure Description

[0082] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0083] Figure 1 This is a schematic diagram of the bottom shell loading station provided in Embodiment 1 of the present invention;

[0084] Figure 2 This is a schematic diagram of the dispensing station provided in Embodiment 1 of the present invention;

[0085] Figure 3 This is a schematic diagram of the high-temperature curing and cooling station provided in Embodiment 1 of the present invention;

[0086] Figure 4This is a schematic diagram of the installation station for the copper busbar and bracket provided in Embodiment 1 of the present invention;

[0087] Figure 5 This is a schematic diagram of the structure of the splitter installation station provided in Embodiment 1 of the present invention;

[0088] Figure 6 This is a schematic diagram of the automatic screw-locking station provided in Embodiment 1 of the present invention;

[0089] Figure 7 This is a schematic diagram of the screw cap mounting station provided in Embodiment 1 of the present invention;

[0090] Figure 8 This is a schematic diagram of the contact resistance testing station provided in Embodiment 1 of the present invention;

[0091] Figure 9 This is a schematic diagram of the PCB board mounting station provided in Embodiment 1 of the present invention;

[0092] Figure 10 This is a schematic diagram of the PCB board screw locking station provided in Embodiment 1 of the present invention;

[0093] Figure 11 This is a schematic diagram of the flipping and lifting station provided in Embodiment 1 of the present invention;

[0094] Figure 12 This is a schematic diagram of the selective wave soldering station provided in Embodiment 1 of the present invention;

[0095] Figure 13 This is a schematic diagram of the AOI inspection station provided in Embodiment 1 of the present invention;

[0096] Figure 14 This is a schematic diagram of the structure of the cover mounting station provided in Embodiment 1 of the present invention;

[0097] Figure 15 This is a schematic diagram of the integrated testing station provided in Embodiment 1 of the present invention;

[0098] Figure 16 This is a schematic diagram of the structure of the full inspection off-line station provided in Embodiment 1 of the present invention. Detailed Implementation

[0099] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application. Furthermore, those skilled in the art will understand that with technological development and the emergence of new scenarios, the technical solutions provided by the embodiments of this application are also applicable to similar technical problems.

[0100] In the description of this application, it should be understood that, unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains. Furthermore, any terminology used is for the purpose of describing particular embodiments only and is not intended to be limiting of this application.

[0101] Furthermore, to better illustrate this application, numerous specific details are provided in the following detailed embodiments. Those skilled in the art should understand that this application can be implemented without certain specific details. In some instances, methods, means, components, and circuits well-known to those skilled in the art have not been described in detail in order to highlight the main points of this application.

[0102] The technical solution of the present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0103] Example 1

[0104] In view of the deficiencies in the existing technology, the applicant, based on years of practical experience and professional knowledge in this field of manufacturing, and in conjunction with the application of theoretical principles, has actively conducted research and innovation in order to create a technology that can solve the deficiencies in the existing technology. After continuous research, design, and repeated prototype production and improvement, this invention with practical value has finally been created.

[0105] Please refer to Figure 1-16 This invention provides a fully automated production line for battery pack (BMS) distribution boxes, comprising, sequentially arranged along the production conveyor belt, a bottom shell loading station 1, a glue-filling station 2, a high-temperature curing and cooling station 3, a copper busbar and bracket installation station 4, a shunt installation station 5, an automatic screw-locking station 6, a screw cover installation station 7, a contact resistance testing station 8, a PCB board installation station 9, a PCB board screw-locking station 10, a flipping and lifting station 11, a selective wave soldering station 12, an AOI inspection station 13, a cover installation station 14, an integrated comprehensive testing station 15, and a full inspection and unloading station 16.

[0106] It should be noted that, in order to improve the continuity of the production process, each workstation in this embodiment is connected in series by a production conveyor belt. However, since the production time of each workstation may be different, this embodiment designs the production conveyor belt to be composed of several sections of conveyor belt corresponding to each workstation. The power of each section of conveyor belt is independent and does not affect each other.

[0107] Please refer to this again. Figure 1 In this embodiment, the bottom shell loading station 1 includes a first elevator 1001, a first robotic arm 1002, a first robotic arm moving module 1003, a first tray loading module 1004, and a first vision inspection module 1005.

[0108] The first elevator 1001 is used to lift and lower the tooling pallet;

[0109] The first tray loading module 1004 is used to carry the bottom shell, the pre-charge resistor and the positive and negative relays respectively and to load them;

[0110] The first robotic arm 1002 is used to grasp the bottom shell and place it on the tooling tray, grasp the pre-charge resistor and positive and negative relays and install them on the bottom shell, and grasp the process barcode and affix it to the bottom shell.

[0111] The first robotic arm moving module 1003 is used to drive the first robotic arm 1002 to move;

[0112] The first vision detection module 1005 is used to assist the first robotic arm 1002 in grasping objects and to detect whether the bottom shell, pre-charge resistor and positive and negative relays are installed properly.

[0113] Please refer to this again. Figure 2 In this embodiment, the glue dispensing station 2 includes a glue supply group 21, a three-axis module 22, and a glue dispensing assembly 23;

[0114] The three-axis module 22 is used to move the dispensing assembly 23 to the dispensing position;

[0115] The dispensing assembly 23 is used to dispense adhesive to the pre-charged resistor and the positive and negative relays at the dispensing position.

[0116] The glue supply unit 21 is used to supply glue.

[0117] Please refer to this again. Figure 3 In this embodiment, the high-temperature curing and cooling station 3 includes a curing and cooling tunnel oven 31;

[0118] The curing and cooling tunnel oven 31 is used to cure and cool the products on the tooling tray at high temperature.

[0119] Baking temperature 85±5℃, baking time ≥1 hour

[0120] The heating method is hot air circulation heating, and the hot air pipes inside the furnace are evenly distributed;

[0121] The cooling method is cold air circulation cooling.

[0122] Please refer to this again. Figure 4 In this embodiment, the copper busbar and bracket installation station 4 includes a first flipping mechanism 41, a second robotic arm 42, a second robotic arm moving module 43, a second tray loading module 44, and a second vision inspection module 45.

[0123] The first flipping mechanism 41 is used to flip the product 180 degrees for the installation of copper busbars and brackets, and to flip it 180 degrees to return to its original position after installation.

[0124] The second tray loading module 44 is used to carry and load copper busbar 1, copper busbar 2, copper busbar 3, copper busbar 4, bracket 1, bracket 2, bracket 3 and bracket 4 respectively;

[0125] The second robotic arm 42 is used to grasp copper busbar 1, copper busbar 2, copper busbar 3, copper busbar 4, bracket 1, bracket 2, bracket 3 and bracket 4 and install them onto the bottom shell;

[0126] The second robotic arm moving module 43 is used to drive the second robotic arm 42 to move;

[0127] The second vision detection module 45 is used to assist the second robotic arm 42 in grasping objects and to detect whether copper busbar 1, copper busbar 2, copper busbar 3, copper busbar 4, bracket 1, bracket 2, bracket 3 and bracket 4 are installed properly.

[0128] Please refer to this again. Figure 5 In this embodiment, the diverter installation station 5 includes a second flipping mechanism 51, a third robotic arm 52, a third robotic arm moving module 53, a third tray loading module 54, and a third vision inspection module 55.

[0129] The second flipping mechanism 51 is used to flip the product 180 degrees in preparation for the installation of the distributor, and to flip it 180 degrees to reset after installation.

[0130] The third tray loading module 54 is used to carry the splitter, splitter pin and copper busbar and load them respectively.

[0131] The third robotic arm 52 is used to grasp the splitter, the splitter pin and the copper busbar and install them onto the base shell;

[0132] The third robotic arm moving module 53 is used to drive the third robotic arm 52 to move;

[0133] The third vision detection module 55 is used to assist the third robotic arm 52 in grasping objects and to detect whether the diverter, diverter pins and copper busbars are installed properly.

[0134] Please refer to this again. Figure 6 In this embodiment, the automatic screw fastening station 6 includes a first feeder 61, a first fastening assembly 62, a first screw correction group 63, and a first defective screw receiving group 64.

[0135] The first feeder 61 is used to supply screws;

[0136] The first locking component 62 is used to lock the copper busbar with screws;

[0137] The first screw correction group 63 is used to check whether the screws are straight and to correct them.

[0138] The first defective screw collection group 64 is used to collect screws that are defective.

[0139] Please refer to this again. Figure 7 In this embodiment, the screw cap installation station 7 includes a four-axis robot group 71 and a screw cap vibratory feeder 72;

[0140] The screw cap vibratory feeder 72 is used to support the screw cap and feed it.

[0141] The four-axis robot group 71 is used to grasp the screw cap and install it.

[0142] Please refer to this again. Figure 8 In this embodiment, the contact resistance testing station 8 includes a first lifting and positioning mechanism 81 and a contact resistance testing component 82.

[0143] The first lifting and positioning mechanism 81 is used to lift the tooling pallet;

[0144] The contact resistance testing assembly 82 is used to test the contact resistance of copper busbars, shunts, and positive and negative relays.

[0145] Please refer to this again. Figure 9 In this embodiment, the PCB board mounting station 9 includes a fourth robotic arm 92, a fourth robotic arm moving module 93, a fourth tray loading module 94, and a fourth vision inspection module 91.

[0146] The fourth tray loading module 94 is used to carry and load the buffer pad, copper busbar, and PCB board respectively.

[0147] The fourth robotic arm 92 is used to grasp the buffer pad, copper busbar 5, and PCB board and install them onto the bottom shell;

[0148] The fourth robotic arm moving module 93 is used to drive the fourth robotic arm 92 to move;

[0149] The fourth vision detection module 91 is used to assist the fourth robotic arm 92 in grasping objects and to detect whether the buffer pad, copper busbar, and PCB board are installed properly.

[0150] Please refer to this again. Figure 10 In this embodiment, the PCB board screw fastening station 10 includes a second feeder 101, a second fastening assembly 102, a second screw correction group 103, and a second defective order receiving group 104.

[0151] The second feeder 101 is used to supply screws;

[0152] The second fastening assembly 102 is used to fasten the screws of the copper busbar;

[0153] The second screw correction group 103 is used to check whether the screws are straight and to correct them;

[0154] The second defective screw collection group 104 is used to collect screws that are defective.

[0155] Please refer to this again. Figure 11 In this embodiment, the flipping and lifting station 11 includes a third flipping mechanism 111 and a lifting mechanism 112;

[0156] The third flipping mechanism 111 is used to achieve 180-degree flipping and precise positioning of the product for selective wave soldering, and to reset after completion;

[0157] The lifting mechanism 112 lifts the product to the height of the selective wave soldering track and allows it to flow into the track for selective wave soldering, and then resets after completion.

[0158] Please refer to this again. Figure 12 In this embodiment, the selective wave soldering station 12 includes a preheating spray integrated machine 121, a module soldering machine 122, and a solder ball cleaning machine 123;

[0159] The preheating spray integrated machine 121 is used to realize the product BMC spray preheating function;

[0160] The module welding machine 122 is used to perform tin-spray welding on the insert connection points of the product BMC;

[0161] The solder ball cleaning machine 123 cleans the solder balls on the surface of the product BMC.

[0162] Please refer to this again. Figure 13 In this embodiment, the AOI inspection station 13 includes an AOI vision component 131 and a welding station 132;

[0163] The AOI vision component 131 is used to perform AOI inspection on selective wave soldering.

[0164] The welding station 132 is used to provide a working platform for manual welding.

[0165] Please refer to this again. Figure 14 In this embodiment, the cover mounting station 14 includes a fifth robotic arm 141, a fifth tray loading module 142, and a coding device 143;

[0166] The fifth tray loading module 142 is used to support the top cover and load materials.

[0167] The fifth robotic arm 141 is used to grab the top cover and install it onto the bottom shell;

[0168] The inkjet printer 143 is used to print codes on a defined position on the top cover.

[0169] Please refer to this again. Figure 15 In this embodiment, the integrated testing station 15 includes a second lifting and positioning mechanism 151 and a test needle plate 152;

[0170] The lifting and positioning mechanism 151 is used to lift the tooling pallet;

[0171] The test pin tray 152 is used to perform negative circuit-casing withstand voltage test, positive circuit-casing withstand voltage test, and positive-negative circuit withstand voltage test.

[0172] Please refer to this again. Figure 16 In this embodiment, the full inspection unloading station 16 includes a second elevator 161, a sixth robotic arm 162, a CCD detection group 163, and a finished product pallet 164;

[0173] The sixth robotic arm 162 is used to grab products from the elevator 161 and place them at the CCD inspection station.

[0174] The CCD detection group 163 is used to perform CCD inspection on the product appearance.

[0175] The finished product pallet 164 is used to carry the finished product.

[0176] In this embodiment, the production conveyor belt includes several sections of conveyor belt corresponding to each workstation.

[0177] It should be noted that the working principle of this embodiment is as follows: the tooling pallet (including the sub-fixture and the mother fixture) flows along the production conveyor belt through each station and completes the corresponding process at each station, finally obtaining the finished battery pack BMS distribution box.

[0178] It is understandable that the specific structural design of the components of each station in this embodiment, such as the specific structural design of the bottom shell feeding station and the glue filling station, as well as other components that may be included in each station, such as controllers, lifting mechanisms, and defective discharge mechanisms, are intended to ensure that the automated production of the battery pack BMS distribution box can work normally. Given that these specific structural designs have been implemented in the prior art and are not the focus of this solution design, they will not be elaborated in detail here.

[0179] Although this application frequently uses terms such as bottom shell loading station, glue-filling station, high-temperature curing and cooling station, and copper busbar and bracket installation station, the possibility of using other terms is not excluded. These terms are used merely for the convenience of describing and explaining the essence of the invention; interpreting them as any additional limitation would contradict the spirit of the invention.

[0180] This invention provides a fully automated production line for battery pack BMS distribution boxes. By constructing a fully automated production line, the automated production of battery pack BMS distribution boxes can be realized, thereby improving the automation level of battery pack BMS distribution box production and processing. This not only reduces labor costs and labor intensity, but also improves production efficiency, bringing positive effects to enterprises in various aspects.

[0181] In summary, after reading this detailed disclosure, those skilled in the art will understand that the foregoing detailed disclosure is presented by way of example only and is not restrictive. Although not explicitly stated herein, those skilled in the art will understand that this application is intended to encompass various reasonable changes, improvements, and modifications to the embodiments. These changes, improvements, and modifications are intended to be made by this application and are within the spirit and scope of the exemplary embodiments of this application.

[0182] Furthermore, certain terms used in this application have been used to describe embodiments of this application. For example, "an embodiment," "an embodiment," and / or "some embodiments" mean that a particular feature, structure, or characteristic described in connection with that embodiment may be included in at least one embodiment of this application. Therefore, it is to be emphasized and understood that two or more references to "an embodiment" or "an embodiment" or "an alternative embodiment" in various parts of this specification do not necessarily refer to the same embodiment. Moreover, specific features, structures, or characteristics may be appropriately combined in one or more embodiments of this application.

[0183] It should be understood that in the foregoing description of the embodiments of this application, various features are combined in a single embodiment, drawing, or description for the purpose of simplifying the understanding of a feature. However, this does not mean that the combination of these features is necessary, and those skilled in the art may extract some features as separate embodiments when reading this application. That is, the embodiments in this application can also be understood as an integration of multiple sub-embodiments. It is also valid when the content of each sub-embodiment contains fewer than all the features of a single foregoing disclosed embodiment.

[0184] Finally, it should be understood that the embodiments disclosed herein are illustrative of the principles of the embodiments of this application. Other modified embodiments are also within the scope of this application. Therefore, the embodiments disclosed herein are merely examples and not limitations. Those skilled in the art can adopt alternative configurations to implement the applications in this application based on the embodiments in this application. Therefore, the embodiments of this application are not limited to the embodiments precisely described in the application.

Claims

1. A fully automated production line for a battery pack BMS distribution box, characterized in that, The equipment includes the following stations arranged sequentially along the production conveyor belt: bottom shell loading station (1), glue dispensing station (2), high-temperature curing and cooling station (3), copper busbar and bracket installation station (4), distributor installation station (5), automatic screw fastening station (6), screw cover installation station (7), contact resistance testing station (8), PCB board installation station (9), PCB board screw fastening station (10), flipping and lifting station (11), selective wave soldering station (12), AOI inspection station (13), top cover installation station (14), integrated comprehensive testing station (15), and full inspection unloading station (16). The copper busbar and bracket installation station (4) includes a first flipping mechanism (41), a second robotic arm (42), a second robotic arm moving module (43), a second tray loading module (44), and a second vision inspection module (45). The first flipping mechanism (41) is used to flip the product 180 degrees for the installation of copper busbars and brackets, and to flip it 180 degrees to reset after installation; The second tray loading module (44) is used to carry copper busbar 1, copper busbar 2, copper busbar 3, copper busbar 4, bracket 1, bracket 2, bracket 3 and bracket 4 respectively and to load them; The second robotic arm (42) is used to grab copper busbar 1, copper busbar 2, copper busbar 3, copper busbar 4, bracket 1, bracket 2, bracket 3 and bracket 4 and install them onto the bottom shell; The second robotic arm moving module (43) is used to drive the second robotic arm (42) to move; The second vision detection module (45) is used to assist the second robotic arm (42) in grasping objects and to detect whether copper busbar 1, copper busbar 2, copper busbar 3, copper busbar 4, bracket 1, bracket 2, bracket 3 and bracket 4 are installed properly.

2. The fully automated production line for battery pack BMS distribution boxes according to claim 1, characterized in that, The bottom shell loading station (1) includes a first elevator (1001), a first robotic arm (1002), a first robotic arm moving module (1003), a first tray loading module (1004), and a first vision inspection module (1005). The first elevator (1001) is used to lift and lower the tooling pallet; The first tray loading module (1004) is used to carry the bottom shell, pre-charge resistor and positive and negative relays respectively and to load them; The first robotic arm (1002) is used to grasp the bottom shell and place it on the tooling tray, grasp the pre-charge resistor and positive and negative relays and install them on the bottom shell, and grasp the process barcode and affix it to the bottom shell; The first robotic arm moving module (1003) is used to drive the first robotic arm (1002) to move; The first vision detection module (1005) is used to assist the first robotic arm (1002) in grasping objects and to detect whether the bottom shell, pre-charge resistor and positive and negative relays are installed properly.

3. The fully automated production line for battery pack BMS distribution boxes according to claim 2, characterized in that, The glue dispensing station (2) includes a glue supply group (21), a three-axis module (22), and a glue dispensing assembly (23). The three-axis module (22) is used to move the dispensing assembly (23) to the dispensing position; The dispensing assembly (23) is used to dispense adhesive to the pre-charge resistor and the positive and negative relays at the dispensing position; The glue supply unit (21) is used to supply glue.

4. The fully automated production line for battery pack BMS distribution boxes according to claim 3, characterized in that, The high-temperature curing and cooling station (3) includes a curing and cooling tunnel oven (31). The curing and cooling tunnel oven (31) is used to cure and cool the products on the tooling tray at high temperature; Baking temperature 85±5℃, baking time ≥1 hour; The heating method is hot air circulation heating, and the hot air pipes inside the furnace are evenly distributed; The cooling method is cold air circulation cooling.

5. The fully automated production line for battery pack BMS distribution boxes according to claim 4, characterized in that, The splitter installation station (5) includes a second flipping mechanism (51), a third robotic arm (52), a third robotic arm moving module (53), a third tray loading module (54), and a third vision inspection module (55). The second flipping mechanism (51) is used to flip the product 180 degrees for the installation of the distributor, and to flip it 180 degrees to reset after installation. The third tray loading module (54) is used to carry the splitter, splitter pin and copper busbar and load them respectively; The third robotic arm (52) is used to grasp the splitter, splitter pin and copper busbar and install them onto the base shell; The third robotic arm moving module (53) is used to drive the third robotic arm (52) to move; The third vision detection module (55) is used to assist the third robotic arm (52) in grasping objects and to detect whether the diverter, diverter pin and copper busbar are installed properly.

6. The fully automated production line for battery pack BMS distribution boxes according to claim 5, characterized in that, The automatic screw fastening station (6) includes a first feeder (61), a first fastening assembly (62), a first screw correction group (63), and a first defective screw receiving group (64). The first feeder (61) is used to supply screws; The first locking assembly (62) is used to lock the copper busbar with screws; The first screw correction group (63) is used to check whether the screws are straight and to correct them; The first defective screw collection group (64) is used to collect screws that are defective.

7. The fully automated production line for battery pack BMS distribution boxes according to claim 6, characterized in that, The screw cap installation station (7) includes a four-axis robot group (71) and a screw cap vibratory feeder (72). The screw cap vibratory feeder (72) is used to carry the screw cap and feed it. The four-axis robot assembly (71) is used to grasp and install screw caps.

8. The fully automated production line for battery pack BMS distribution boxes according to claim 7, characterized in that, The contact resistance testing station (8) includes a first lifting and positioning mechanism (81) and a contact resistance testing component (82). The first lifting and positioning mechanism (81) is used to lift the tooling pallet; The contact resistance test assembly (82) is used to test the contact resistance of copper busbars, shunts and positive and negative relays.

9. The fully automated production line for battery pack BMS distribution boxes according to claim 8, characterized in that, The PCB board mounting station (9) includes a fourth robotic arm (92), a fourth robotic arm moving module (93), a fourth tray loading module (94), and a fourth vision inspection module (91). The fourth tray loading module (94) is used to carry the buffer pad, copper busbar five, and PCB board respectively and to load them; The fourth robotic arm (92) is used to grasp the buffer pad, copper busbar, and PCB board and install them onto the bottom shell; The fourth robotic arm moving module (93) is used to drive the fourth robotic arm (92) to move; The fourth vision detection module (91) is used to assist the fourth robotic arm (92) in grasping objects and to detect whether the buffer pad, copper busbar, and PCB board are installed properly.

10. The fully automated production line for battery pack BMS distribution boxes according to claim 9, characterized in that, The PCB board screw-locking station (10) includes a second feeder (101), a second screw-locking assembly (102), a second screw correction group (103), and a second defective order collection group (104). The second feeder (101) is used to supply screws; The second fastening assembly (102) is used to fasten the screws of the copper busbar; The second screw correction group (103) is used to check whether the screws are straight and to correct them; The second defective screw collection group (104) is used to collect screws that are defective.

11. The fully automated production line for battery pack BMS distribution boxes according to claim 10, characterized in that, The flipping and lifting station (11) includes a third flipping mechanism (111) and a lifting mechanism (112). The third flipping mechanism (111) is used to achieve 180-degree flipping and precise positioning of the product for selective wave soldering, and to reset after completion; The lifting mechanism (112) lifts the product to the height of the selective welding track and flows into the track for selective wave soldering, and then resets after completion.

12. The fully automated production line for battery pack BMS distribution boxes according to claim 11, characterized in that, The selective wave soldering station (12) includes a preheating spray integrated machine (121), a module soldering machine (122), and a solder ball cleaning machine (123). The preheating spray integrated machine (121) is used to realize the product BMC spray preheating function; The module welding machine (122) is used to perform tin-spray welding on the insert connection points of the product BMC; The solder ball cleaning machine (123) cleans the solder balls on the surface of the product BMC.

13. The fully automated production line for battery pack BMS distribution boxes according to claim 12, characterized in that, The AOI inspection station (13) includes an AOI vision component (131) and a welding station (132). The AOI vision component (131) is used for AOI inspection of selective wave soldering; The welding station (132) is used to provide a working platform for manual welding.

14. The fully automated production line for battery pack BMS distribution boxes according to claim 13, characterized in that, The cover mounting station (14) includes a fifth robotic arm (141), a fifth tray loading module (142), and a coding device (143). The fifth tray loading module (142) is used to support the top cover and load materials; The fifth robotic arm (141) is used to grab the top cover and install it onto the bottom shell; The inkjet printer (143) is used to print codes on the defined position of the top cover.

15. The fully automated production line for battery pack BMS distribution boxes according to claim 14, characterized in that, The integrated testing station (15) includes a second lifting and positioning mechanism (151) and a test needle plate (152). The lifting and positioning mechanism (151) is used to lift the tooling pallet; The test probe (152) is used to perform negative circuit-casing withstand voltage test, positive circuit-casing withstand voltage test and positive-negative circuit withstand voltage test.

16. The fully automated production line for battery pack BMS distribution boxes according to claim 15, characterized in that, The full inspection off-machine station (16) includes a second elevator (161), a sixth robotic arm (162), a CCD detection group (163), and a finished product pallet (164). The sixth robotic arm (162) is used to grab the product from the elevator (161) to the CCD inspection station; The CCD detection group (163) is used to perform CCD inspection on the product appearance; The finished product pallet (164) is used to carry the finished product.

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