CN218902759U - Energy storage battery module production line - Google Patents
Energy storage battery module production line Download PDFInfo
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- CN218902759U CN218902759U CN202320402447.6U CN202320402447U CN218902759U CN 218902759 U CN218902759 U CN 218902759U CN 202320402447 U CN202320402447 U CN 202320402447U CN 218902759 U CN218902759 U CN 218902759U
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Abstract
The utility model discloses an energy storage battery module production line which comprises a first feeding device, a detection conveying line, a detection removing device, a moving vehicle, a main conveying line, a second feeding device, a press-fitting device and a welding device. The first feeding device is used for carrying the battery cell to the detection conveying line; the detection and rejection device is used for detecting the performance of the battery cells on the detection conveying line and removing the battery cells with unqualified performance from the detection conveying line; the battery shell is placed on the mobile cart, a stacking station is arranged on the detection conveying line, and the detection conveying line is used for conveying the battery cells to move into the stacking station after passing through the detection removing device, so that workers can carry and arrange the battery cells moving into the stacking station into the battery shell on the mobile cart to form a battery module. The utility model can automatically carry the battery core for feeding, can improve the efficiency of carrying the battery core for feeding, and reduces the labor intensity and the labor cost of workers.
Description
Technical Field
The utility model relates to an energy storage battery module production line.
Background
At present, an energy storage battery module is a unit for forming an energy storage system and is formed by sequentially and alternately assembling a plurality of electric cores and fin separators. Some enterprises need to manually carry parts such as battery cells to each station for assembly when producing the energy storage battery module, and the problems of high labor intensity, high labor cost, low production efficiency and the like of workers exist, so that an automatic production line is needed to be designed for producing the energy storage battery module.
The Chinese patent with publication number of CN207834468U discloses an automatic battery module assembling production line which can be used for producing an energy storage battery module and realizing the feeding of a battery core through two parallel battery core feeding lines; wherein, every electric core material loading line need dispose two workman, and the workman is responsible for carrying electric core to on the electric core material loading line, this kind of manual handling electric core material loading's mode not only inefficiency, can increase workman's intensity of labour moreover, increase the cost of labor.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides an energy storage battery module production line which can automatically convey and feed battery cells, improve the efficiency of conveying and feeding the battery cells and reduce the labor intensity and the labor cost of workers.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the energy storage battery module production line comprises a first feeding device, a detection conveying line, a detection removing device, a moving vehicle, a main conveying line, a second feeding device, a press-fitting device and a welding device; wherein,
the first feeding device is used for carrying the battery cell to the detection conveying line;
the detection and rejection device is used for detecting the performance of the battery cells on the detection conveying line and removing the battery cells with unqualified performance from the detection conveying line;
a battery case is arranged on the mobile vehicle;
the detection conveying line is provided with a stacking station, and is used for conveying the battery cells to move into the stacking station after passing through the detection removing device so that workers can carry and arrange the battery cells moving into the stacking station into battery shells on the mobile vehicle to form battery modules, wherein the battery modules comprise the battery shells and a plurality of battery cells arranged in the battery shells;
the main conveying line is provided with a feeding station, a press-fitting station, an assembling station, a welding station and a final assembly station which are sequentially arranged, a tray jig is placed on the main conveying line, and the main conveying line is used for conveying the tray jig to sequentially pass through the feeding station, the press-fitting station, the assembling station, the welding station and the final assembly station;
The second feeding device is used for carrying the battery module on the moving vehicle to a tray jig positioned in the feeding station, so that the tray jig carries the battery module to sequentially move into the press-fitting station, the assembly station, the welding station and the assembly station;
the press-fitting device is used for pressing the battery module to a designed size and then fixedly connecting the end plate to a battery shell in the battery module;
the assembly station is used for installing a wire harness assembly on the battery module so as to enable the wire harness assembly to be assembled and connected with a pole on an electric core in the battery module;
the welding device is used for carrying out welding processing on the battery module moved into the welding station so as to weld and connect the wire harness assembly with the pole on the battery cell in the battery module;
and the assembly station is used for assembling the battery module.
Further, the energy storage battery module production line also comprises a protective fence and at least one stock warehouse; wherein,
The battery cell is arranged in the material warehouse;
the first feeding device comprises a feeding mechanical arm and a first clamping jaw mechanism, the first clamping jaw mechanism is connected to the feeding mechanical arm and used for clamping the battery cells in the material warehouse, and the feeding mechanical arm is used for driving the first clamping jaw mechanism to move so as to convey the battery cells in the material warehouse to the detection conveying line;
the guard rail is arranged on the outer sides of the material warehouse, the feeding mechanical arm and the detection removing device in a surrounding mode, one part of the detection conveying line stretches into the guard rail, and the stacking station is located outside the guard rail;
the guard rail is provided with a feed door corresponding to the material warehouse, and the guard rail is connected with a safety protection device which corresponds to the feed door and prevents personnel from entering the feed door.
The detection and rejection device comprises a first triaxial motion platform, an OCV detector and a second clamping jaw mechanism; wherein,
the OCV detector is used for detecting the performance of the battery cell on the detection conveying line, and is connected to the first triaxial moving platform so that the first triaxial moving platform drives the OCV detector to move along the X, Y, Z axis direction;
The second clamping jaw mechanism is used for clamping the battery cells on the detection conveying line and is connected to the first triaxial moving platform so that the first triaxial moving platform drives the second clamping jaw mechanism to move along the X, Y, Z axis direction, and the battery cells with unqualified performance are removed from the detection conveying line.
The concrete structure of the second feeding device is further provided, and the second feeding device comprises a truss manipulator and a third clamping jaw mechanism; wherein,
the third clamping jaw mechanism is connected to the truss manipulator and used for clamping a battery module on the mobile vehicle;
the truss manipulator is used for driving the third clamping jaw mechanism to move so as to carry the battery module on the mobile vehicle to the tray jig in the feeding station.
Further, the energy storage battery module production line also comprises a negative pressure dust collection device; wherein,
the wire harness assembly is provided with a tab which is used for being assembled and connected with a pole on the battery cell;
the welding device is a laser welding machine used for welding and connecting the tabs and the polar posts;
the negative pressure dust suction device is used for sucking smoke dust and welding slag generated in the welding process.
Further, the energy storage battery module production line also comprises an addressing device, a laser cleaning device and a master control device; wherein,
the main conveying line is also provided with an addressing station and a cleaning station, the press-fitting station, the addressing station, the cleaning station and the welding station are sequentially arranged along the conveying direction of the main conveying line, and the main conveying line is used for conveying a tray jig carrying battery modules to pass through the addressing station and the cleaning station;
the addressing device is connected with the master control device and is used for shooting the battery module moving to the addressing station and sending the shot image to the master control device;
the master control device is used for acquiring the position information of the pole on the battery cell in the battery module according to the image shot by the addressing device, and is connected with the laser cleaning device and used for sending the position information of the pole to the laser cleaning device so that the laser cleaning device can perform laser cleaning on the pole in the battery module which is moved to the cleaning station.
The addressing device comprises a second triaxial motion platform and a first camera; wherein,
The first camera is connected to the second triaxial moving platform, and the second triaxial moving platform is used for driving the first camera to move along the X, Y, Z axial direction;
the first camera is connected with the master control device and is used for shooting an image of the battery module and sending the shot image to the master control device;
the laser cleaning device comprises a third triaxial moving platform and a laser cleaning machine, wherein the laser cleaning machine is connected with the third triaxial moving platform and is used for emitting laser to perform laser cleaning on a pole on an electric core in the battery module;
the third triaxial moving platform is used for driving the laser cleaning machine to move along the X, Y, Z axial direction so that the laser cleaning machine is aligned to the pole.
Further, the energy storage battery module production line also comprises a polarity detection device, a first wire-down device, a first repair conveying wire and a master control device; wherein,
the main conveying line is also provided with a polarity detection station positioned between the feeding station and the press mounting station, and is used for conveying a tray jig carrying the battery module to pass through the polarity detection station;
the polarity detection device is connected with the master control device and is used for shooting the battery module moving to the polarity detection station and sending the shot image to the master control device;
The master control device is used for identifying whether the positive and negative directions of the battery cells in the battery module are correct or not according to the image shot by the polarity detection device;
the master control device is in control connection with the first wire-down device, and is used for controlling the first wire-down device to support and convey a tray jig which is positioned in the polarity detection station and carries a battery module to the first repair conveying line when the positive and negative electrode direction of the battery core is misplaced;
the first repair conveying line is used for receiving the tray jig conveyed by the first wire-descending device, and the first repair conveying line is also used for conveying the tray jig back to the polarity detection station after the battery cell is repaired.
Further provided is a specific structure of the polarity detection device, wherein the polarity detection device comprises a fourth triaxial motion platform and a second camera; wherein,
the second camera is connected to the fourth triaxial moving platform, and the fourth triaxial moving platform is used for driving the second camera to move along the X, Y, Z axial direction;
the second camera is connected with the master control device and is used for shooting an image of the battery module and sending the shot image to the master control device;
The first offline device comprises a first fixed seat, a first lifting seat, a first cylinder and at least one first belt conveying assembly;
the first fixing seat is fixedly arranged;
the first lifting seat is connected to the first fixing seat in a sliding manner along the vertical direction;
the first belt conveying assembly is connected to the first lifting seat;
the first cylinder is installed on the first fixing base, the first cylinder is connected with the first lifting seat and used for driving the first lifting seat to ascend so as to drive the first belt conveying assembly to ascend to support the tray jig in the polarity detection station, and the first belt conveying assembly is used for conveying the tray jig to move onto the first repairing conveying line.
Further, the energy storage battery module production line also comprises a second offline device and a second repair conveying line; wherein,
the main conveying line is also provided with a post-welding detection station and a rejection station, and is used for conveying a tray jig carrying a battery module to pass through the post-welding detection station and the rejection station;
the post-welding detection station is positioned behind the welding station, and when the tray jig carrying the battery module flows into the post-welding detection station, a worker detects welding spots on the battery module in the post-welding detection station to judge whether the battery module is qualified;
The removing station is located between the post-welding detection station and the final assembly station, and the second offline device is used for supporting and conveying the tray jig carrying the unqualified battery module in the removing station to the second repairing conveying line when the tray jig carrying the unqualified battery module flows into the removing station.
Further, the energy storage battery module production line also comprises an EOL tester, a third offline device and a finished product conveying line; wherein,
the main conveying line is also provided with an EOL test station, a communication test station and a final inspection station which are sequentially arranged behind the assembly station along the conveying direction of the main conveying line;
the main conveying line is used for sequentially conveying a tray jig carrying battery modules to the EOL test station, the communication test station and the final inspection station, wherein workers use the EOL tester to perform electrical performance test on the battery modules in the EOL test station, perform test on the battery modules in the communication test station and perform final inspection on the battery modules in the final inspection station;
the third offline device is used for supporting and conveying the tray jig which is moved to the final inspection station and carries the battery module to the finished product conveying line.
The pressing device comprises a sliding rail, a pressing platform, a lifting driving part, a plurality of jacking mechanisms, a first pressing mechanism and a second pressing mechanism; wherein,
the press-fit platform is connected to the sliding rail in a sliding manner along the vertical direction;
the lifting driving component is connected with the press-mounting platform and is used for driving the press-mounting platform to slide up and down;
the jacking mechanism is connected to the press-fit platform and used for downwards pressing the battery cells in the battery module when the press-fit platform moves downwards to a proper position;
the first pressing mechanism and the second pressing mechanism are both connected to the press-fit platform, the first pressing mechanism is used for pressing the end plate, and the second pressing mechanism is used for pressing the battery module so as to press-fit the electric core in the battery module to a designed size along the front-back direction.
After the technical scheme is adopted, firstly, the first feeding device conveys the battery cells to the detection conveying line, the detection conveying line conveys the battery cells to the detection removing device, the detection removing device detects the performance of the battery cells and removes the battery cells with unqualified performance from the detection conveying line, and the battery cells with qualified performance are continuously conveyed to the stacking station by the detection conveying line; the worker then carries and aligns the cells in the stacking station into the battery case on the cart to form a battery module, and then pushes the cart to the second loading device. Then the second loading attachment will battery module on the locomotive carries to be located on the tray tool in the material loading station, the main transfer chain can carry the bearing battery module's tray tool moves to in proper order in the pressure equipment station, in the assembly station, in the welding station and in the final assembly station. Installing end plates in the battery modules by workers in the press-fitting stations, applying pressure to the end plates and the battery modules through the press-fitting devices so as to press-fit the battery modules to a designed size, and fixedly connecting the end plates to battery shells in the battery modules by bolts; installing a harness assembly on the battery module by a worker in the assembly station to connect the harness assembly with a post on a cell in the battery module; the welding device performs welding processing on the battery module moved into the welding station in the welding station so as to weld and connect the wire harness assembly with the pole on the battery cell in the battery module; and the workers perform final assembly on the battery modules in the final assembly station. In this embodiment, the first feeding device is used to carry the battery cell to the detection conveying line, the second feeding device is used to carry the battery module to the tray jig, manual carrying of the battery cell feeding is replaced, efficiency of carrying the battery cell feeding is improved, labor cost and labor intensity of workers are reduced, influence of manual fatigue on production beats is avoided, production beats of the whole line are improved, and production efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of an energy storage battery module production line according to the present utility model;
FIG. 2 is a partial detail of FIG. 1;
FIG. 3 is a partial detail II of FIG. 1;
FIG. 4 is a partial detail III of FIG. 1;
FIG. 5 is a partial detail view of FIG. 1;
FIG. 6 is a schematic diagram of a first down-link device according to the present utility model;
FIG. 7 is a schematic view of a press-fitting apparatus according to the present utility model;
fig. 8 is a schematic structural view of a battery module according to the present utility model.
Detailed Description
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings.
As shown in fig. 1 to 8, an energy storage battery module production line comprises a first feeding device 1, a detection conveying line 2, a detection removing device 3, a moving vehicle 4, a main conveying line 5, a second feeding device 6, a press-fitting device 7 and a welding device 8; wherein,
the first feeding device 1 is used for carrying the battery cell 33 onto the detection conveying line 2;
the detection and rejection device 3 is used for detecting the performance of the battery cells 33 on the detection conveying line 2 and removing the battery cells 33 with unqualified performance from the detection conveying line 2;
A battery case 34 is placed on the mobile vehicle 4;
the detection conveying line 2 is provided with a stacking station 100, the detection conveying line 2 is used for conveying the battery cells 33 to move into the stacking station 100 after passing through the detection removing device 3, so that workers can convey and arrange the battery cells 33 moving into the stacking station 100 into the battery cases 34 on the mobile cart 4 to form battery modules, and the battery modules comprise the battery cases 34 and a plurality of battery cells 33 arranged in the battery cases 34;
the main conveying line 5 is provided with a feeding station 110, a press-fitting station 120, an assembling station 130, a welding station 140 and a final assembly station 150 which are sequentially arranged, the main conveying line 5 is provided with a tray jig 9, and the main conveying line 5 is used for conveying the tray jig 9 to sequentially pass through the feeding station 110, the press-fitting station 120, the assembling station 130, the welding station 140 and the final assembly station 150;
the second feeding device 6, the press-fitting device 7 and the welding device 8 are sequentially arranged along the main conveying line 5;
the worker pushes the mobile carriage 4 to the second loading device 6, and the second loading device 6 is used for carrying the battery module on the mobile carriage 4 to the tray jig 9 located in the loading station 110, so that the tray jig 9 carries the battery module to sequentially move to the press-fitting station 120, the assembling station 130, the welding station 140 and the final assembly station 150;
The press-fitting station 120 is used for installing the end plate 35 in the battery module, and the press-fitting device 7 applies pressure to the end plate 35 and the battery module so as to press-fit the battery module to a designed size, and then the end plate 35 is fixedly connected to the battery shell 34 in the battery module;
the assembly station 130 is used for installing a wire harness assembly on the battery module so as to make the wire harness assembly be assembled and connected with the pole 36 on the electric core 33 in the battery module;
the welding device 8 is used for performing welding processing on the battery module moved into the welding station 140 so as to weld the wire harness assembly with the pole 36 on the battery cell 33 in the battery module;
in the assembly station 150, the battery module is assembled; wherein, the wire harness assembly can be installed by a worker manually, and the assembly is completed by a worker manually.
Specifically, the working principle of the energy storage battery module production line in this embodiment of the present application is that the first feeding device 1 carries the battery cell 33 onto the detection conveying line 2, the detection conveying line 2 conveys the battery cell 33 to the detection rejecting device 3, the detection rejecting device 3 performs performance detection on the battery cell 33 and removes the battery cell 33 with unqualified performance from the detection conveying line 2, and the battery cell 33 with qualified performance continues to be conveyed into the stacking station 100 by the detection conveying line 2; the worker then carries and aligns the cells 33 in the stacking station 100 into the battery cases 34 on the cart 4 to form battery modules, and then pushes the cart 4 to the second loading device 6. Then, the second loading device 6 carries the battery module on the moving vehicle 4 to the tray jig 9 located in the loading station 110, and the main conveying line 5 carries the tray jig 9 carrying the battery module to move to the press-fitting station 120, the assembling station 130, the welding station 140 and the final assembly station 150 in sequence. The worker installs the end plate 35 in the battery module in the press-fitting station 120, then applies pressure to the end plate 35 and the battery module through the press-fitting device 7 to press-fit the battery module to a designed size, and then fixedly connects the end plate 35 to the battery case 34 in the battery module using bolts; installing a harness assembly on the battery module by a worker in the assembly station 130 to make an assembled connection of the harness assembly with the posts 36 on the cells 33 in the battery module; in the welding station 140, the welding device 8 performs welding processing on the battery module moved into the welding station 140 to weld-connect the wire harness assembly with the pole 36 on the cell 33 in the battery module; the worker performs assembly of the battery modules in the assembly station 150. In this embodiment, the first feeding device 1 is used to carry the battery core 33 to the detection conveyor line 2, the second feeding device 6 is used to carry the battery module to the tray jig 9, so that the manual carrying of the battery core 33 is replaced, the feeding efficiency of the carrying of the battery core 33 is improved, the labor cost and the labor intensity of workers are reduced, the influence of manual fatigue on the production beat is avoided, the whole line production beat is improved, and the production efficiency is improved.
Specifically, the detection conveying line 2 may be a belt conveying mechanism, a conveying belt of the belt conveying mechanism is provided with a clamping groove for placing the electric core 33, the main conveying line 5 may be a double-speed chain conveying line, and specific structures of the double-speed chain conveying line and the belt conveying mechanism are all well known in the art, and are not specifically repeated in this embodiment. The tray jig 9 may include a base plate and a plurality of positioning blocks connected to the base plate, the positioning blocks being used for positioning the battery modules placed on the base plate.
As shown in fig. 1 and 2, the energy storage battery module production line may further include a guard rail 10 and at least one stock bin 11; wherein,
a battery cell 33 is arranged in the stock bin 11;
the first feeding device 1 comprises a feeding mechanical arm 12 and a first clamping jaw mechanism 13, wherein the first clamping jaw mechanism 13 is connected to the feeding mechanical arm 12 and is used for clamping a battery cell 33 in the material warehouse 11, and the feeding mechanical arm 12 is used for driving the first clamping jaw mechanism 13 to move so as to carry the battery cell 33 in the material warehouse 11 to the detection conveying line 2; the feeding manipulator 12 is a six-axis manipulator, the first clamping jaw mechanism 13 may adopt an existing structure, and the specific structure thereof is a prior art well known to those skilled in the art, which is not described in detail in this embodiment;
The guard rail 10 is arranged on the outer sides of the material warehouse 11, the feeding manipulator 12 and the detection removing device 3 in a surrounding mode, a part of the detection conveying line 2 extends into the guard rail 10, and the stacking station 100 is located outside the guard rail 10;
the guard rail 10 is provided with a feed gate corresponding to the material warehouse 11, and the guard rail 10 is connected with a safety protection device corresponding to the feed gate and used for preventing personnel from entering the feed gate. Specifically, the electric core 33 is placed in the corresponding material warehouse 11 from the feeding gate, and the guard rail 10 and the safety protection device are arranged to be capable of performing man-machine separation in space, so as to avoid safety accidents, and the safety protection device can use an infrared sensing device or a safety grating, and in this embodiment, the material warehouse 11 is provided with three materials.
As shown in fig. 1 and 2, the detection and elimination device 3 may include a first triaxial motion platform, an OCV detector and a second clamping jaw mechanism; wherein,
the OCV detector is used for detecting the performance of the battery cell 33 on the detection conveying line 2, and is connected to the first triaxial moving platform so that the first triaxial moving platform drives the OCV detector to move along the X, Y, Z axial direction;
The second clamping jaw mechanism is used for clamping the battery cells 33 on the detection conveying line 2, and is connected to the first triaxial moving platform so that the first triaxial moving platform drives the second clamping jaw mechanism to move along the X, Y, Z axial direction, and the battery cells 33 with unqualified performance are removed from the detection conveying line 2. Specifically, the first triaxial motion platform drives the OCV detector to move so that two probes of the OCV detector are respectively inserted on the positive electrode and the negative electrode of the electric core 33, and the OCV detector and the electric core 33 form a loop so as to perform OCV performance detection on the electric core 33. If the performance of the battery cell 33 is detected to be unqualified, the second clamping jaw mechanism clamps the battery cell 33 with unqualified performance, then the first triaxial moving platform drives the second clamping jaw mechanism to move so as to remove the unqualified battery cell 33 from the detection conveying line 2, and the unqualified battery cell 33 is placed on the abnormal product conveying line 14 and conveyed after being removed from the detection conveying line 2.
The OCV performance detection mainly detects the voltage, internal resistance and differential pressure of the battery cell 33, uploads data after detection is completed and compares the data with the original voltage and internal resistance data of the battery cell 33 in the master control server, the stability of the performance of the battery cell 33 is determined by analyzing the change of the voltage and internal resistance data of the battery cell 33 in one period, the battery cell 33 is determined to be qualified in performance and flows downwards when the change value is in a set range, otherwise, the battery cell 33 is determined to be unqualified, and the unqualified battery cell 33 is removed and disconnected through the second clamping jaw mechanism.
The first triaxial motion platform and the OCV detector are all existing devices, and specific details are not described in this embodiment, the second clamping jaw mechanism may adopt an existing structure, and the specific structure is a prior art well known to those skilled in the art, and specific details are not described in this embodiment.
As shown in fig. 1 and 3, the second feeding device 6 may include a truss manipulator and a third jaw mechanism; wherein,
the third clamping jaw mechanism is connected to the truss manipulator and used for clamping the battery module on the mobile vehicle 4;
the truss manipulator is used for driving the third clamping jaw mechanism to move so as to carry the battery module on the mobile vehicle 4 to the tray jig 9 in the feeding station 110; specifically, the truss manipulator is an existing device, which is not specifically described in this embodiment, and the third clamping jaw mechanism may adopt an existing structure, and its specific structure is a prior art well known to those skilled in the art, which is not specifically described in this embodiment.
In this embodiment, the first jaw mechanism 13, the second jaw mechanism and the third jaw mechanism may include a fixed jaw and a movable jaw, respectively, where the movable jaw may be driven by a clamping cylinder, and the clamping cylinder is used to drive the movable jaw to move toward or away from the fixed jaw.
As shown in fig. 1 and 4, the energy storage battery module production line may further include a negative pressure dust collection device; wherein,
the wire harness assembly is provided with a tab for being assembled and connected with a pole 36 on the battery cell 33;
the welding device 8 is a laser welding machine for welding the tabs and the pole 36;
the negative pressure dust suction device is used for sucking smoke dust and welding slag generated in the welding process.
Specifically, the laser welding can generate high temperature in the moment, so that smoke dust and welding slag are very easy to splash on the tabs, and the smoke dust and the splashed welding slag are timely sucked away through the negative pressure dust suction device, so that the short circuit caused by the fact that the welding slag flows into the battery module to puncture the insulating film of the battery core 33 can be avoided. Further specifically, the tabs are assembled and connected with the pole posts 36 on the battery cells 33, so that the positive and negative poles of all the battery cells 33 in the battery module can be connected in series through the wire harness assembly to form a communication loop. The English name of the bus bar is also called as a composite Busbar.
In this embodiment, the negative pressure dust suction device may adopt a welding fume purifier, where the welding fume purifier is an existing device, and detailed description is omitted in this embodiment.
In this embodiment, in order to improve welding quality, an annular light spot laser composite welding technology is adopted in the laser welding machine, two beams of lasers form an annular shape, an outer ring of lasers are preheated at a low temperature, and an inner ring of lasers are welded at a high temperature Wen Shenrong, so that the defects of welding spatter, hole explosion and the like are effectively reduced. The laser welding machine adopts a double-station complementary design scheme, one station can weld and simultaneously pre-clamp the other station synchronously, the efficiency of simultaneous welding operation of two welding machines is basically achieved in a 'one-welding-one-standby' mode, one laser is omitted, and investment cost is saved.
As shown in fig. 1 and 4, the energy storage battery module production line may further include an addressing device 15, a laser cleaning device 16 and a master control device; wherein,
the main conveying line 5 is further provided with an addressing station 160 and a cleaning station 170, the press-fitting station 120, the addressing station 160, the cleaning station 170 and the welding station 140 are sequentially arranged along the conveying direction of the main conveying line 5, and the main conveying line 5 is used for conveying the tray jig 9 carrying the battery module to pass through the addressing station 160 and the cleaning station 170;
the addressing device 15 is connected with the master control device, and the addressing device 15 is used for shooting the battery module moving into the addressing station 160 and sending the shot image to the master control device;
The master control device is used for acquiring the position information of the pole 36 on the battery cell 33 in the battery module according to the image shot by the addressing device 15, and is connected with the laser cleaning device 16 and used for sending the position information of the pole 36 to the laser cleaning device 16 so that the laser cleaning device 16 can perform laser cleaning on the pole 36 in the battery module moved to the cleaning station 170.
In particular, the addressing device 15 comprises a second triaxial motion platform and a first camera; wherein,
the first camera is connected to the second triaxial moving platform, and the second triaxial moving platform is used for driving the first camera to move along the X, Y, Z axial direction;
the first camera is connected with the master control device and is used for shooting an image of the battery module and sending the shot image to the master control device;
the laser cleaning device 16 comprises a third triaxial moving platform and a laser cleaning machine, wherein the laser cleaning machine is connected with the third triaxial moving platform and is used for emitting laser to perform laser cleaning on the pole 36 on the electric core 33 in the battery module;
The third triaxial moving platform is used for driving the laser cleaning machine to move along the X, Y, Z axial direction so as to align the laser cleaning machine with the pole 36.
Further specifically, the first camera captures an image of the battery module in the addressing station 160 and the laser washer emits laser light to laser wash the posts 36 on the cells 33 in the battery module in the washing station 170. The master control device comprises an image processing system and a master control server, the image processing system is used for analyzing an image shot by the first camera to obtain position information of the pole 36 in the battery module and further send the position information of the pole 36 to the master control server, and the master control server is connected with the third triaxial moving platform and used for sharing and sending the position information of the pole 36 to the third triaxial moving platform. Wherein the image processing system comprises image processing hardware and image processing software.
In this embodiment, the master control server is further configured to share and send the position information of the pole 36 to the laser welder. The laser cleaning machine emits laser and removes an oxide layer and dirt on the surface of the pole 36 in a laser sintering mode to clean the pole 36 on the battery core 33, so that the welding quality of the pole 36 in the subsequent working procedure is improved; the specific structures of the second triaxial moving platform, the third triaxial moving platform and the laser cleaning machine are all well known to those skilled in the art, and are not described in detail in this embodiment.
As shown in fig. 1 and 3, the energy storage battery module production line further includes a polarity detection device 17, a first offline device and a first repair conveyor line 18; wherein,
the main conveying line 5 is also provided with a polarity detection station 180 positioned between the feeding station 110 and the press-fitting station 120, and the main conveying line 5 is used for conveying the tray jig 9 carrying the battery modules to pass through the polarity detection station 180;
the polarity detection device 17 is connected with the master control device, and the polarity detection device 17 is used for shooting a battery module moving into the polarity detection station 180 and sending a shot image to the master control device;
the master control device is used for identifying whether the positive and negative directions of the battery cells 33 in the battery module are correct according to the image shot by the polarity detection device 17;
the master control device is in control connection with the first offline device, and is used for controlling the first offline device to support and convey the tray jig 9 with the battery module in the polarity detection station 180 to the first repair conveying line 18 when the positive and negative electrode directions of the battery cell 33 are misplaced;
the first repair conveyor line 18 is configured to receive the tray fixture 9 conveyed from the first offline device, and the first repair conveyor line 18 is further configured to convey the tray fixture 9 back to the polarity detection station 180 after the electrical core 33 is repaired; specifically, the first repair conveyor line 18 is located at one side of the main conveyor line 5, and the first repair conveyor line 18 may be a roller conveyor.
In this embodiment, the polarity detection device 17 may include a fourth three-axis motion stage and a second camera; wherein,
the second camera is connected to the fourth triaxial moving platform, and the fourth triaxial moving platform is used for driving the second camera to move along the X, Y, Z axial direction;
the second camera is connected with the master control device and is used for shooting an image of the battery module and sending the shot image to the master control device; the master control device is used for controlling the coordinated action of the whole production line, and the image processing system in the master control device is used for analyzing the image shot by the second camera to identify whether the positive and negative directions of the battery cells 33 in the battery module are correct.
As shown in fig. 6, the first line-descending device may include a first fixing base 19, a first lifting base 20, a first cylinder 21, and at least one first belt conveyor assembly 22;
the first fixing seat 19 is fixedly arranged;
the first lifting seat 20 is connected to the first fixing seat 19 in a sliding manner along the vertical direction;
the first belt conveying assembly 22 is connected to the first lifting seat 20;
the first air cylinder 21 is mounted on the first fixing seat 19, the first air cylinder 21 is connected with the first lifting seat 20 and is used for driving the first lifting seat 20 to ascend so as to drive the first belt conveying assembly 22 to ascend to support the tray jig 9 in the polarity detection station 180, and the first belt conveying assembly 22 is used for conveying the tray jig 9 to move onto the first repairing conveying line 18; specifically, when the positive and negative electrode directions of the battery cell 33 are misplaced, the first cylinder 21 drives the first lifting seat 20 to lift and further drive the first belt conveying assembly 22 to lift, the first belt conveying assembly 22 lifts the tray jig 9 in the polarity detection station 180, and then the first belt conveying assembly 22 conveys the tray jig 9 to move onto the first repair conveying line 18. The electrical core 33 with the wrong positive and negative electrode direction is manually rearranged on the first repairing transfer line 18 to be correct, then the first repairing transfer line 18 transfers the tray jig 9 back to the first belt conveying assembly 22, and then the first cylinder 21 drives the first lifting seat 20 to descend so as to drive the first belt conveying assembly 22 to descend, so that the tray jig 9 is placed back to the polarity detection station 180. In this embodiment, the first camera and the second camera may be CCD cameras, respectively.
As shown in fig. 1 and 4, the energy storage battery module production line may further include a second offline device and a second repair conveyor line 23; wherein,
the main conveying line 5 is also provided with a post-welding detection station 190 and a rejection station 200, and the main conveying line 5 is used for conveying the tray jig 9 loaded with the battery modules to pass through the post-welding detection station 190 and the rejection station 200;
the post-welding detection station 190 is located at the rear of the welding station 140, and when the tray jig 9 carrying the battery module flows into the post-welding detection station 190, a worker detects welding spots on the battery module in the post-welding detection station 190 to determine whether the battery module is qualified; specifically, if there are dummy welds, broken welds, popping holes, missing welds, etc. between the tabs and the posts 36, the battery module is failed;
the rejecting station 200 is located between the post-welding detection station 190 and the final assembly station 150, and the second offline device is used for supporting and conveying the tray jig 9 with the unqualified battery module in the rejecting station 200 onto the second repair conveying line 23 when the tray jig 9 with the unqualified battery module flows into the rejecting station 200; specifically, the second repair conveyor line 23 is located at one side of the main conveyor line 5, the battery module on the second repair conveyor line 23 may be transported away and repaired by using the transfer trolley 24, and the second repair conveyor line 23 may be a roller conveyor. Further specifically, the tray jig 9 carrying the qualified battery module directly passes through the rejecting station 200 and then reaches the final assembly station 150 under the conveying of the main conveying line 5, so that unqualified products are prevented from flowing into subsequent processes, and the production qualification rate is improved.
Further specifically, the second winding device comprises a second fixing seat, a second lifting seat, a second cylinder and at least one second belt conveying assembly;
the second fixing seat is fixedly arranged;
the second lifting seat is connected to the second fixing seat in a sliding manner along the vertical direction;
the second belt conveying assembly is connected to the second lifting seat;
the second cylinder is installed on the second fixing base, the second cylinder is connected with the second lifting seat and is used for driving the second lifting seat to ascend so as to drive the second belt conveying assembly to ascend to support the tray jig 9 in the rejecting station 200, and the second belt conveying assembly is used for conveying the supported tray jig 9 to move onto the second repairing conveying line 23.
As shown in fig. 1 and 5, the energy storage battery module production line may further include an EOL tester, a third offline device, and a finished product conveyor line 25; wherein,
the main conveying line 5 is further provided with an EOL testing station 210, a communication testing station 220 and a final inspection station 230 which are sequentially arranged at the rear of the assembly station 150 along the conveying direction of the main conveying line 5;
the main conveying line 5 is used for conveying the tray jig 9 carrying the battery module to the EOL testing station 210, the communication testing station 220 and the final inspection station 230 in sequence, wherein the battery module is tested by a worker in the EOL testing station 210 by using the EOL tester, the battery module is tested by the worker in the communication testing station 220, and the battery module is final inspected by the worker in the final inspection station 230;
The third offline device is used for supporting and conveying the tray jig 9 with the battery module, which is moved to the final inspection station 230, onto the finished product conveying line 25; specifically, the battery modules on the finished product conveying line 25 may be transported and put in storage through a transfer trolley 24, and the finished product conveying line 25 may be a roller conveyor.
In the assembly station 150, a worker installs components such as a battery management unit BMU, a fan, a terminal, an in-out busbar, and the like on the battery module and performs fastening screw moment detection; an operator tests electrical properties such as voltage, internal resistance, insulation resistance, withstand voltage, etc. of the battery module using an EOL tester in the EOL test station 210; the worker energizes the battery management unit BMU at the communication test station 220 and measures the voltage and temperature of the battery module, monitors and analyzes the voltage difference, the temperature difference, and the like of the battery cells 33, and ensures stable electrical performance. The EOL tester in this embodiment is a probe EOL tester, and its specific structure is the prior art.
Further specifically, the third offline device comprises a third fixed seat, a third lifting seat, a third cylinder and at least one third belt conveying assembly;
The third fixing seat is fixedly arranged;
the third lifting seat is connected to the third fixing seat in a sliding manner along the vertical direction;
the third belt conveying assembly is connected to the third lifting seat;
the third cylinder is mounted on the third fixing seat, the third cylinder is connected with the third lifting seat and is used for driving the third lifting seat to ascend so as to drive the third belt conveying assembly to ascend to support the tray jig 9 in the final inspection station 230, and the third belt conveying assembly is used for conveying the supported tray jig 9 to move onto the finished product conveying line 25.
In this embodiment, the first belt conveying assembly 22, the second belt conveying assembly and the third belt conveying assembly respectively include a driving wheel, a driven wheel, a conveying belt and a conveying motor, the driving wheel and the driven wheel are all rotatably arranged, the conveying belt is connected to the driving wheel and the driven wheel, and the conveying motor is connected to the driving wheel and is used for driving the driving wheel to rotate so as to drive the conveying belt to act.
Specifically, 13 stations are disposed on the main conveying line 5, which are respectively the feeding station 110, the polarity detecting station 180, the press-fitting station 120, the addressing station 160, the cleaning station 170, the assembling station 130, the welding station 140, the post-welding detecting station 190, the rejecting station 200, the final assembling station 150, the EOL testing station 210, the communication testing station 220 and the final detecting station 230. Wherein, at least one blocking mechanism is respectively arranged in each station, and the blocking mechanism is used for lifting to block the tray jig 9 on the main conveying line 5 in the corresponding station. Further specifically, the blocking mechanism includes, for example, but not limited to, a blocking cylinder for driving the blocking cylinder to lift up to block the tray jig 9 on the main conveyor line 5 in the corresponding station, and a blocking plate connected to the blocking cylinder; wherein, block the cylinder fixed connection in the frame of main transfer chain 5.
As shown in fig. 7 and 8, the press-fitting device 7 includes, for example, but not limited to, a slide rail 26, a press-fitting platform 27, a lift driving member, a plurality of pressing mechanisms 28, a first pressing mechanism 29, and a second pressing mechanism 30; wherein,
the press-fit platform 27 is connected to the slide rail 26 in a sliding manner along the vertical direction;
the lifting driving component is connected with the press-fit platform 27 and is used for driving the press-fit platform 27 to slide up and down;
the pressing mechanism 28 is connected to the press-fitting platform 27 and is used for pressing down the battery cells 33 in the battery module when the press-fitting platform 27 moves down to the proper position;
the first pressing mechanism 29 and the second pressing mechanism 30 are both connected to the press-mounting platform 27, the first pressing mechanism 29 is used for pressing the end plate 35, the second pressing mechanism 30 is used for pressing the battery module so as to press-mount the battery cells 33 in the battery module to a designed size in the front-rear direction, and then the end plate 35 is fixedly connected to the battery case 34 through bolts. In the present embodiment, the battery case 34 has three sides with side walls, one side being open for mounting the end plate 35; the sliding rail 26 is fixedly arranged, the lifting driving component can be a lifting cylinder, the jacking mechanism 28 comprises a pressing block which is connected to the press-mounting platform 27 in a sliding manner along the vertical direction, and a spring is arranged between the pressing block and the press-mounting platform 27; the first pressing mechanism 29 and the second pressing mechanism 30 respectively include a pressing cylinder 31 connected to the press-fitting stage 27 and a pressing plate 32 connected to the pressing cylinder 31.
In summary, the first feeding device 1 carries the battery cells 33 onto the detection conveying line 2, the detection conveying line 2 conveys the battery cells 33 to the detection removing device 3, the detection removing device 3 performs performance detection on the battery cells 33 and removes the battery cells 33 with unqualified performance from the detection conveying line 2, and the battery cells 33 with qualified performance continue to be conveyed into the stacking station 100 by the detection conveying line 2; the worker then carries and aligns the cells 33 in the stacking station 100 into the battery cases 34 on the cart 4 to form battery modules, and then pushes the cart 4 to the second loading device 6. Then, the second loading device 6 carries the battery module on the moving vehicle 4 to the tray jig 9 located in the loading station 110, and the main conveying line 5 carries the tray jig 9 carrying the battery module to move to the press-fitting station 120, the assembling station 130, the welding station 140 and the final assembly station 150 in sequence. The worker installs the end plate 35 in the battery module in the press-fitting station 120, then applies pressure to the end plate 35 and the battery module through the press-fitting device 7 to press-fit the battery module to a designed size, and then fixedly connects the end plate 35 to the battery case 34 in the battery module using bolts; installing a harness assembly on the battery module by a worker in the assembly station 130 to make an assembled connection of the harness assembly with the posts 36 on the cells 33 in the battery module; in the welding station 140, the welding device 8 performs welding processing on the battery module moved into the welding station 140 to weld-connect the wire harness assembly with the pole 36 on the cell 33 in the battery module; the worker performs assembly of the battery modules in the assembly station 150. In this embodiment, the first feeding device 1 is used to carry the battery core 33 to the detection conveyor line 2, the second feeding device 6 is used to carry the battery module to the tray jig 9, so that the manual carrying of the battery core 33 is replaced, the feeding efficiency of the carrying of the battery core 33 is improved, the labor cost and the labor intensity of workers are reduced, the influence of manual fatigue on the production beat is avoided, the whole line production beat is improved, and the production efficiency is improved.
The technical problems, technical solutions and advantageous effects solved by the present utility model have been further described in detail in the above-described embodiments, and it should be understood that the above-described embodiments are only illustrative of the present utility model and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present utility model should be included in the scope of protection of the present utility model.
Claims (12)
1. The energy storage battery module production line is characterized by comprising a first feeding device (1), a detection conveying line (2), a detection removing device (3), a moving vehicle (4), a main conveying line (5), a second feeding device (6), a press-fitting device (7) and a welding device (8); wherein,
the first feeding device (1) is used for carrying the battery cell (33) to the detection conveying line (2);
the detection and rejection device (3) is used for detecting the performance of the battery cells (33) on the detection conveying line (2) and removing the battery cells (33) with unqualified performance from the detection conveying line (2);
a battery case (34) is arranged on the mobile vehicle (4);
the detection conveying line (2) is provided with a stacking station (100), the detection conveying line (2) is used for conveying the battery cells (33) to the stacking station (100) after passing through the detection removing device (3), so that workers can convey and arrange the battery cells (33) moving into the stacking station (100) into battery cases (34) on the moving vehicle (4) to form battery modules, and the battery modules comprise the battery cases (34) and a plurality of battery cells (33) arranged in the battery cases (34);
The automatic feeding device comprises a main conveying line (5), a feeding station (110), a press-fitting station (120), an assembling station (130), a welding station (140) and a final assembly station (150) which are sequentially arranged, wherein a tray jig (9) is placed on the main conveying line (5), and the main conveying line (5) is used for conveying the tray jig (9) to sequentially pass through the feeding station (110), the press-fitting station (120), the assembling station (130), the welding station (140) and the final assembly station (150);
the second feeding device (6) is used for carrying the battery module on the mobile vehicle (4) to a tray jig (9) positioned in the feeding station (110), so that the tray jig (9) carries the battery module to sequentially move into the press mounting station (120), the assembling station (130), the welding station (140) and the final assembly station (150);
an end plate (35) is arranged in the battery module in the press-fitting station (120), and the end plate (35) and the battery module are pressed by the press-fitting device (7) so as to fixedly connect the end plate (35) to a battery shell (34) in the battery module after the battery module is pressed to a designed size;
-in the assembly station (130) for mounting a wire harness assembly on the battery module for assembly connection of the wire harness assembly with a pole (36) on a cell (33) in the battery module;
the welding device (8) is used for performing welding processing on the battery module moved into the welding station (140) so as to weld the wire harness assembly with a pole column (36) on an electric core (33) in the battery module;
in the assembly station (150) for assembling the battery modules.
2. The energy storage battery module production line according to claim 1, further comprising a guard rail (10) and at least one magazine (11); wherein,
a battery cell (33) is arranged in the stock bin (11);
the first feeding device (1) comprises a feeding mechanical arm (12) and a first clamping jaw mechanism (13), the first clamping jaw mechanism (13) is connected to the feeding mechanical arm (12) and used for clamping the battery cells (33) in the material warehouse (11), and the feeding mechanical arm (12) is used for driving the first clamping jaw mechanism (13) to move so as to convey the battery cells (33) in the material warehouse (11) to the detection conveying line (2);
The protective guard (10) is arranged on the outer sides of the material warehouse (11), the feeding manipulator (12) and the detection removing device (3) in a surrounding mode, one part of the detection conveying line (2) stretches into the protective guard (10), and the stacking station (100) is located outside the protective guard (10);
the protective fence (10) is provided with a feeding door corresponding to the material warehouse (11), and the protective fence (10) is connected with a safety protection device which corresponds to the feeding door and is used for preventing personnel from entering the feeding door.
3. The energy storage battery module production line according to claim 1, characterized in that the detection and rejection device (3) comprises a first triaxial motion platform, an OCV detector and a second jaw mechanism; wherein,
the OCV detector is used for detecting the performance of the battery cell (33) on the detection conveying line (2), and is connected to the first triaxial moving platform so that the first triaxial moving platform drives the OCV detector to move along the X, Y, Z axis direction;
the second clamping jaw mechanism is used for clamping the battery cell (33) on the detection conveying line (2), and is connected to the first triaxial moving platform so that the first triaxial moving platform drives the second clamping jaw mechanism to move along the X, Y, Z axis direction, and the battery cell (33) with unqualified performance is removed and removed from the detection conveying line (2).
4. The energy storage battery module production line according to claim 1, characterized in that the second feeding device (6) comprises a truss manipulator and a third jaw mechanism; wherein,
the third clamping jaw mechanism is connected to the truss manipulator and used for clamping a battery module on the mobile vehicle (4);
the truss manipulator is used for driving the third clamping jaw mechanism to move so as to carry the battery module on the moving vehicle (4) to the tray jig (9) in the feeding station (110).
5. The energy storage battery module production line of claim 1, further comprising a negative pressure dust extraction device; wherein,
the wire harness assembly is provided with a tab for being assembled and connected with a pole (36) on the battery cell (33);
the welding device (8) is a laser welding machine for welding the tabs and the pole (36);
the negative pressure dust suction device is used for sucking smoke dust and welding slag generated in the welding process.
6. The energy storage battery module production line according to claim 1, further comprising addressing means (15), laser cleaning means (16) and general control means; wherein,
The main conveying line (5) is further provided with an addressing station (160) and a cleaning station (170), the press-fitting station (120), the addressing station (160), the cleaning station (170) and the welding station (140) are sequentially arranged along the conveying direction of the main conveying line (5), and the main conveying line (5) is used for conveying a tray jig (9) carrying a battery module to pass through the addressing station (160) and the cleaning station (170);
the addressing device (15) is connected with the master control device, and the addressing device (15) is used for shooting the battery module moved into the addressing station (160) and sending the shot image to the master control device;
the master control device is used for acquiring position information of a pole (36) on an electric core (33) in the battery module according to an image shot by the addressing device (15), is connected with the laser cleaning device (16) and is used for sending the position information of the pole (36) to the laser cleaning device (16) so that the laser cleaning device (16) can perform laser cleaning on the pole (36) in the battery module which is moved to the cleaning station (170).
7. The energy storage battery module production line of claim 6, wherein the energy storage battery module production line comprises a plurality of energy storage battery modules,
the addressing device (15) comprises a second triaxial motion platform and a first camera; wherein,
the first camera is connected to the second triaxial moving platform, and the second triaxial moving platform is used for driving the first camera to move along the X, Y, Z axial direction;
the first camera is connected with the master control device and is used for shooting an image of the battery module and sending the shot image to the master control device;
the laser cleaning device (16) comprises a third triaxial moving platform and a laser cleaning machine, wherein the laser cleaning machine is connected with the third triaxial moving platform and is used for emitting laser to perform laser cleaning on a pole (36) on an electric core (33) in the battery module;
the third triaxial moving platform is used for driving the laser cleaning machine to move along the X, Y, Z axial direction so as to enable the laser cleaning machine to be aligned with the pole (36).
8. The energy storage battery module production line according to claim 1, further comprising a polarity detection device (17), a first offline device, a first repair conveyor line (18) and a master control device; wherein,
The main conveyor line (5) is also provided with a polarity detection station (180) positioned between the feeding station (110) and the press-fitting station (120), and the main conveyor line (5) is used for conveying a tray jig (9) carrying a battery module to pass through the polarity detection station (180);
the polarity detection device (17) is connected with the master control device, and the polarity detection device (17) is used for shooting a battery module moving into the polarity detection station (180) and sending a shot image to the master control device;
the master control device is used for identifying whether the positive and negative directions of the battery cells (33) in the battery module are correct or not according to the image shot by the polarity detection device (17);
the master control device is in control connection with the first offline device, and is used for controlling the first offline device to lift up a tray jig (9) which is positioned in the polarity detection station (180) and carries a battery module to the first repair conveying line (18) when the positive and negative electrode directions of the battery cell (33) are arranged in a staggered mode;
the first repair conveying line (18) is used for receiving the tray jig (9) conveyed by the first offline device, and the first repair conveying line (18) is also used for conveying the tray jig (9) back to the polarity detection station (180) after the battery cell (33) is repaired.
9. The energy storage battery module production line of claim 8, wherein,
the polarity detection device (17) comprises a fourth triaxial motion platform and a second camera; wherein,
the second camera is connected to the fourth triaxial moving platform, and the fourth triaxial moving platform is used for driving the second camera to move along the X, Y, Z axial direction;
the second camera is connected with the master control device and is used for shooting an image of the battery module and sending the shot image to the master control device;
the first offline device comprises a first fixed seat (19), a first lifting seat (20), a first air cylinder (21) and at least one first belt conveying assembly (22);
the first fixing seat (19) is fixedly arranged;
the first lifting seat (20) is connected to the first fixing seat (19) in a sliding manner along the vertical direction;
the first belt conveying assembly (22) is connected to the first lifting seat (20);
the first cylinder (21) is installed on the first fixing seat (19), the first cylinder (21) is connected with the first lifting seat (20) and used for driving the first lifting seat (20) to ascend so as to drive the first belt conveying assembly (22) to ascend to support the tray jig (9) in the polarity detection station (180), and the first belt conveying assembly (22) is used for conveying the tray jig (9) to move onto the first repairing conveying line (18).
10. The energy storage battery module production line according to claim 1, further comprising a second offline device and a second rework delivery line (23); wherein,
the main conveying line (5) is also provided with a post-welding detection station (190) and a rejection station (200), and the main conveying line (5) is used for conveying a tray jig (9) loaded with battery modules to pass through the post-welding detection station (190) and the rejection station (200);
the post-welding detection station (190) is positioned behind the welding station (140), and when the tray jig (9) carrying the battery module flows into the post-welding detection station (190), a worker detects welding spots on the battery module in the post-welding detection station (190) to judge whether the battery module is qualified or not;
the rejecting station (200) is located between the post-welding detection station (190) and the final assembly station (150), and the second offline device is used for supporting and conveying the tray jig (9) with the unqualified battery module in the rejecting station (200) onto the second repairing conveying line (23) when the tray jig (9) with the unqualified battery module flows into the rejecting station (200).
11. The energy storage battery module production line according to claim 1, further comprising an EOL tester, a third off-line device and a finished product conveyor line (25); wherein,
the main conveying line (5) is further provided with an EOL test station (210), a communication test station (220) and a final inspection station (230) which are sequentially arranged behind the assembly station (150) along the conveying direction of the main conveying line (5);
the main conveying line (5) is used for sequentially conveying a tray jig (9) carrying battery modules into the EOL test station (210), the communication test station (220) and the final inspection station (230), wherein a worker uses the EOL tester to perform electrical performance test on the battery modules in the EOL test station (210), tests the battery modules in the communication test station (220) and performs final inspection on the battery modules in the final inspection station (230);
the third offline device is used for supporting and conveying the tray jig (9) which is moved to the final inspection station (230) and carries the battery module to the finished product conveying line (25).
12. The energy storage battery module production line of claim 1, wherein the energy storage battery module production line comprises a plurality of energy storage battery modules,
The press-fitting device (7) comprises a sliding rail (26), a press-fitting platform (27), a lifting driving part, a plurality of jacking mechanisms (28), a first pressing mechanism (29) and a second pressing mechanism (30); wherein,
the press-fit platform (27) is connected to the sliding rail (26) in a sliding manner along the vertical direction;
the lifting driving component is connected with the press-fit platform (27) and is used for driving the press-fit platform (27) to slide up and down;
the jacking mechanism (28) is connected to the press-fit platform (27) and is used for downwards pressing the battery cells (33) in the battery module when the press-fit platform (27) moves downwards to a proper position;
the first pressing mechanism (29) and the second pressing mechanism (30) are both connected to the press-fit platform (27), the first pressing mechanism (29) is used for pressing the end plate (35), and the second pressing mechanism (30) is used for pressing the battery module so as to press-fit the battery cells (33) in the battery module to a designed size along the front-rear direction.
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| CN116519063A (en) * | 2023-07-03 | 2023-08-01 | 惠州市成泰自动化科技有限公司 | Detection device and detection method applied to cylindrical battery |
| CN116519063B (en) * | 2023-07-03 | 2023-11-24 | 惠州市成泰自动化科技有限公司 | Detection device and detection method applied to cylindrical battery |
| CN117139848A (en) * | 2023-07-07 | 2023-12-01 | 上海君屹工业自动化股份有限公司 | Flexible multi-compatible laser welding system and multi-compatible welding device thereof |
| CN117139848B (en) * | 2023-07-07 | 2024-04-12 | 上海君屹工业自动化股份有限公司 | Flexible multi-compatible laser welding system and multi-compatible welding device thereof |
| CN117020414A (en) * | 2023-10-08 | 2023-11-10 | 宁德时代新能源科技股份有限公司 | Pole welding method and pole welding system |
| CN117020414B (en) * | 2023-10-08 | 2024-02-06 | 宁德时代新能源科技股份有限公司 | Pole welding method and pole welding system |
| CN117049103A (en) * | 2023-10-13 | 2023-11-14 | 宁德时代新能源科技股份有限公司 | Conveying system, conveying method and battery production line |
| CN117049103B (en) * | 2023-10-13 | 2024-02-23 | 宁德时代新能源科技股份有限公司 | Conveying system, conveying method and battery production line |
| CN117622801A (en) * | 2024-01-23 | 2024-03-01 | 宁德时代新能源科技股份有限公司 | Naked electric core goes into shell production line and electric core production line |
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