CN111682233B - Battery module PACK production line and battery module - Google Patents
Battery module PACK production line and battery module Download PDFInfo
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- CN111682233B CN111682233B CN202010386907.1A CN202010386907A CN111682233B CN 111682233 B CN111682233 B CN 111682233B CN 202010386907 A CN202010386907 A CN 202010386907A CN 111682233 B CN111682233 B CN 111682233B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/005—Devices for making primary cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
A battery module PACK production line and a battery module, wherein the battery module PACK production line comprises a pretreatment unit, a rubberizing unit, a battery PACK assembly unit and a finished product blanking unit. The pretreatment unit comprises a feeding test device and a cleaning device, and the rubberizing unit is used for rubberizing the single battery; the battery pack assembling unit is used for assembling and welding a plurality of batteries into a battery module; the finished product blanking unit is used for taking out the battery module of the battery module assembly unit and moving the battery module to the blanking transmission line. The pretreatment unit tests and sorts the assembled single batteries, and the cleaning device cleans foreign matters attached to the single batteries, so that the single batteries are padded for subsequent procedures, and the occurrence probability of defective products in the assembly process is reduced; the pretreatment unit, the rubberizing unit, the battery pack assembling unit and the finished product blanking unit are connected through the transmission belt, so that each station does not operate in a single machine, and the assembling efficiency of the battery module is improved; the manual operation steps in the assembly process are reduced, the labor intensity of production personnel is reduced, and the production cost is saved.
Description
Technical Field
The invention relates to the field of battery processing, in particular to a battery module PACK production line and a battery module.
Background
The battery module is formed by assembling a plurality of single batteries, other components such as end plates, bus plates, cooling fins and the like are required to be arranged on the single batteries in the assembling process, and the assembling of the components is required to be completed through operations such as adhesive, welding and the like.
However, in the preparation process of the single battery or during transportation of the single battery, dirt and dust are adhered to the single battery, poor welding of the battery is easily caused, and in addition, each station in the battery module production line is in a single-machine operation state, production personnel are required to carry the single-machine operation state to each station for assembly processing, the assembly efficiency is low, and a plurality of stations are required to be operated by the production personnel, so that the single-machine operation state is difficult to adapt to mass production.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a battery module PACK production line with high automation degree, low reject ratio and high consistency of finished products.
The aim of the invention is realized by the following technical scheme:
a battery module PACK production line includes: the device comprises a pretreatment unit, a rubberizing unit, a battery pack assembling unit and a finished product blanking unit;
the pretreatment unit comprises a feeding testing device and a cleaning device, wherein the feeding testing device is used for sorting single batteries, and the cleaning device is used for cleaning the single batteries;
The rubberizing unit is positioned at the downstream of the pretreatment unit and is used for rubberizing the single battery;
the battery pack assembly unit is positioned at the downstream of the rubberizing unit and is used for assembling and welding a plurality of single batteries into a battery module;
the finished product blanking unit is positioned at the downstream of the battery pack assembly unit and is used for taking out the battery module of the battery pack assembly unit and moving the battery module to a blanking transmission line.
In one embodiment, the pretreatment unit further comprises a feeding conveyer belt, a plurality of trays are arranged on the feeding conveyer belt, the feeding conveyer belt is used for driving the single batteries to sequentially enter the material testing device, the cleaning device and the rubberizing unit, each tray is provided with 2 battery storage positions and 1 end plate storage position, the end plate storage positions are located at the middle positions of the trays, two battery storage positions are located at two sides of the end plate storage positions respectively, each battery storage position is used for accommodating one single battery, and the end plate storage positions are used for accommodating the end plates.
In one embodiment, the feeding testing device comprises a code scanner, an internal resistance testing probe and a sorting manipulator, wherein the code scanner is used for scanning codes of single batteries on the battery storage position, the internal resistance testing probe is used for being abutted to a pole post of a battery, and the sorting manipulator is used for removing defective batteries.
In one embodiment, the sorting manipulator comprises a clamping jaw, a translation driver and a recovery box, wherein the recovery box is arranged close to the feeding conveyor belt, the translation driver is used for driving the clamping jaw to translate between the recovery box and the tray, and the clamping jaw is used for clamping defective batteries.
In one embodiment, the cleaning device comprises a front cleaning assembly, a back cleaning assembly and a turnover assembly, wherein the turnover assembly is arranged between the front cleaning assembly and the back cleaning assembly and is used for turning over the single battery, the front cleaning assembly is used for cleaning the front of the single battery, and the back cleaning assembly is used for cleaning the back of the single battery.
In one embodiment, the rubberizing unit comprises a battery dispensing assembly, an end plate dispensing assembly and a rubberizing platform, wherein the battery dispensing assembly is used for dispensing single batteries, the end plate dispensing assembly is used for dispensing the end plate, and the rubberizing platform is used for bearing the single batteries and the end plates which are subjected to dispensing.
In one embodiment, the rubberizing platform comprises a carrier plate and a paster transfer platform, wherein the paster transfer platform is arranged between the carrier plate and the end plate dispensing component, and the paster transfer platform is used for clamping the monomer battery and the end plate which are subjected to dispensing and placing the monomer battery and the end plate on the carrier plate.
In one embodiment, the battery pack assembling unit comprises a speed-doubling chain transmission device, a shaping device and a welding module, wherein the shaping device and the welding module are arranged on the speed-doubling chain transmission device, a plurality of tray jigs are arranged on the speed-doubling chain transmission device, each tray jig is used for accommodating a plurality of single batteries, the speed-doubling chain transmission device is used for driving each tray jig to sequentially enter the shaping device and the welding module, the shaping device is used for shaping a plurality of battery packs on the tray jigs, and the welding module is used for welding the battery packs.
In one embodiment, the finished product blanking unit comprises a truss and a jack, wherein the jack is arranged on the truss and is used for blanking the battery module.
A battery module is assembled by any battery module PACK production line.
Compared with the prior art, the invention has at least the following advantages:
1. the pretreatment unit tests and sorts all the assembled single batteries, and the cleaning device cleans foreign matters attached to the single batteries, so that the single batteries are padded for subsequent procedures, and the occurrence probability of defective products in the assembly process is reduced;
2. The pretreatment unit, the rubberizing unit, the battery pack assembling unit and the finished product blanking unit are connected through the transmission belt, so that each station does not operate in a single machine, and the assembling efficiency of the battery module is improved;
3. the manual operation steps in the assembly process are reduced, the labor intensity of production personnel is reduced, and the production cost is saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a second half of a PACK production line of a battery module according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a welding module;
FIG. 3 is a schematic diagram of the structure of the detecting device;
FIG. 4 is a schematic diagram of a tray fixture;
fig. 5 is an enlarged view of fig. 4 at B;
FIG. 6 is a schematic view of the structure of the extrusion assembly;
FIG. 7 is a schematic view of the extrusion assembly from another perspective;
FIG. 8 is an enlarged view of FIG. 1 at A;
fig. 9 is an enlarged view of fig. 1 at C;
fig. 10 is a schematic view showing the structure of the front half part of a PACK production line of a battery module according to an embodiment of the invention;
fig. 11 is an enlarged view of fig. 10 at D.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, 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 invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 10, a PACK production line for battery modules includes: a preprocessing unit 10000, a rubberizing unit 20000, a battery pack assembling unit 30000 and a finished product blanking unit 40000; the pretreatment unit 10000 tests and sorts the assembled single batteries 20, and the cleaning device cleans foreign matters attached to the single batteries, so as to lay down for the subsequent procedures and reduce the occurrence probability of defective products in the assembly process; the manual operation steps in the assembly process are reduced, the labor intensity of production personnel is reduced, and the production cost is saved.
Referring to fig. 10 and 11, the preprocessing unit 10000 includes a feeding testing device 11000 and a cleaning device 12000, the feeding testing device 11000 is used for sorting the single batteries 20, and the cleaning device 12000 is used for cleaning the single batteries 20;
The rubberizing unit 20000 is positioned at the downstream of the preprocessing unit 10000, and the rubberizing unit 20000 is used for rubberizing the single battery 20;
the battery pack assembly unit 30000 is located downstream of the rubberizing unit 20000, the battery pack assembly unit 30000 being used for assembling and welding a plurality of unit cells 20 into a battery module;
the finished product blanking unit 40000 is located downstream of the battery pack assembly unit 30000, and the finished product blanking unit 40000 is used for taking out the battery module of the battery pack assembly unit 30000 and moving the battery module into a blanking transmission line.
Referring to fig. 10 and 11, the working principle of the PACK production line of the battery module is as follows:
the production personnel place the single battery 20 and the end plate 21 on the preprocessing unit 10000, firstly the feeding testing device 11000 scans codes and tests electrical properties of the single battery 20, and the defective single battery 20 is taken away;
the rest single battery 20 and the end plate 21 enter a cleaning device 12000, the cleaning device 12000 cleans the front and the back of the single battery 20 and the end plate 21, removes dirt and dust attached to the single battery 20 and the end plate 21, and coarsens the outer wall of the single battery 20 so as to facilitate the subsequent operations of rubberizing the outer wall of the single battery 20, welding the pole post thereof and the like, and bedding for subsequent processing;
The cleaned single battery 20 and the end plate 21 enter a rubberizing unit 20000, the rubberizing unit 20000 respectively applies glue to the single battery 20 and the end plate 21, and an operator takes out the end plate 21 and the single battery 20 to be combined together, so that the pre-processing of the battery module before the assembly is completed;
the operator transfers the prefabricated unit cells 20 to the battery pack assembly unit 30000 and stacks the plurality of unit cells 20 together, and the operator attaches the heat sink and the bus bar to the unit cells 20 and welds them by the battery pack assembly unit 30000, and the assembly of the battery module is completed.
The finished product blanking unit 40000 removes the battery module from the battery pack assembly unit 30000 and transfers the battery module into a blanking transmission line.
In an embodiment, referring to fig. 10 and 11, the preprocessing unit 10000 further includes a feeding conveyor belt 13000, a plurality of trays 13100 are disposed on the feeding conveyor belt 13000, each tray 13100 is provided with 2 battery storage positions 13110 and 1 end plate storage position 13120, the end plate storage positions 13120 are located at the middle position of the tray 13100, the two battery storage positions 13110 are respectively located at two sides of the end plate storage position 13120, each battery 20 storage position 13110 is used for accommodating one battery 20, the end plate storage position 13120 is used for accommodating the end plate 31, the poles of the two batteries 20 are arranged outwards, after the battery 20 and the end plate 21 are placed, the feeding conveyor belt 13000 is started, the battery 20 is driven by the feeding conveyor belt 13000 to sequentially enter the material testing device 11000, the cleaning device 12000 and the rubberizing unit 20000,
In an embodiment, referring to fig. 10 and 11, the feeding test device 11000 includes a code scanner 11100, an internal resistance test probe 11200 and a sorting manipulator 11300, where the code scanner 11100 is configured to scan codes of the unit cells 20 on the cell storage site 13110, specifically, two cell scan codes on the single tray 13100 pass through normally, and the code scanner 11100 uploads the code scanning information, otherwise, if 1 or 2 unit cells 20 on the single tray 13100 have bad code scanning, the tray 13100 does not participate in subsequent actions, and the code scanning information of the group is not uploaded, and only the corresponding bad code scanning product is uploaded in the position information of the tray 13100.
The internal resistance test probe 11200 is used for abutting against a pole of the single battery 20 to test the electrical performance of the single battery 20, thereby judging whether the single battery 20 is qualified, and the sorting manipulator 11300 removes the defective single battery 20 according to the position information of the defective single battery 20 provided by the code scanner 11100 and the internal resistance test probe 11200.
Referring to fig. 10 and 11, specifically, the sorting manipulator 11300 includes a clamping jaw, a translation driver and a recovery box, the recovery box is disposed adjacent to the feeding conveyor 13000, the translation driver is used for driving the clamping jaw to translate between the recovery box and the tray 13100, and the clamping jaw is used for clamping the defective unit cell 20.
Referring to fig. 10 and 11, in order to ensure the overall cleaning, the cleaning device 12000 includes a front cleaning component 12100, a back cleaning component 12200, and a turning component 12300, wherein the turning component 12300 is disposed between the front cleaning component 12100 and the back cleaning component 12200, the turning component 12300 is used for turning over the unit battery 20, the front cleaning component 12100 is used for cleaning the front surface of the unit battery 20, and the back cleaning component 12200 is used for cleaning the back surface of the unit battery 20. The unit cell 20 first enters the front side cleaning assembly 12100 for cleaning, and after the front side is cleaned, the overturning assembly 12300 overturns the unit cell 20 by 180 degrees, so that the back side of the unit cell 20 faces upwards, and the back side of the unit cell 20 is cleaned by the back side cleaning assembly 12200. In the present embodiment, the unit cell 20 is cleaned by a plasma cleaner.
Referring to fig. 10 and 11, the rubberizing unit 20000 includes a battery dispensing assembly 21000, an end plate dispensing assembly 22000, and a rubberizing table 23000, wherein the battery dispensing assembly 21000 is used for dispensing the single battery 20, the end plate 21 dispensing assembly 22000 is used for dispensing the end plate 21, and the rubberizing table 23000 is used for carrying the single battery 20 and the end plate 21 after dispensing.
Referring to fig. 10 and 11, in an embodiment, a paste station 23000 includes a carrier 23100 and a paste transfer platform 23200, the paste transfer platform 23200 is disposed between the carrier 23100 and an end plate dispensing assembly 22000, and the paste transfer platform 23200 is used for clamping and placing the dispensing-completed single battery 20 and the end plate 21 on the carrier 23100.
The finished product blanking unit 40000 comprises a truss 41000 and a jack 42000, wherein the jack 42000 is arranged on the truss 41000, and the jack 42000 is used for blanking the battery module.
Compared with the prior art, the invention has at least the following advantages:
1. the pretreatment unit 10000 tests and sorts the assembled batteries, and the cleaning device 12000 cleans foreign matters attached to the single batteries, so as to lay down for the subsequent procedures and reduce the occurrence probability of defective products in the assembly process;
2. the pretreatment unit 10000, the rubberizing unit 20000, the battery pack assembling unit 30000 and the finished product blanking unit 40000 are connected through a transmission belt, so that each station does not operate in a single machine, and the assembling efficiency of the battery module is improved;
3. the manual operation steps in the assembly process are reduced, the labor intensity of production personnel is reduced, and the production cost is saved.
In an embodiment, the battery pack assembly unit 30000 includes a double-speed chain transmission device 31000, a shaping device 32000 and a welding module 33000, the shaping device 32000 and the welding module 33000 are both arranged on the double-speed chain transmission device 31000, a plurality of tray jigs are arranged on the double-speed chain transmission device 31000, each tray jig is used for accommodating a plurality of single batteries 20, the double-speed chain transmission device 31000 is used for driving each tray jig to sequentially enter the shaping device 32000 and the welding module 33000, the shaping device 32000 is used for shaping the plurality of single batteries 20 on the tray jigs, and the welding module 33000 is used for welding the single batteries 20.
Referring to fig. 1, a double-speed chain transmission device 31000 includes a transmission belt 31100 and a plurality of tray jigs 31200, a feeding end 11, a testing section 12, a patch section 13, a welding section 14 and a discharging end 15 are disposed on the transmission belt 31100, and the transmission belt 31100 is used for driving each tray jig 31200 to sequentially pass through the feeding end 11, the testing section 12, the patch section 13, the welding section 14 and the discharging end 15; and after reaching the discharging end 15, the tray jigs 31200 continue to move along with the conveying belt 31100 and return to the feeding end 11, that is, the conveying belt 31100 drives the plurality of tray jigs 31200 to circularly flow.
The tray jig 31200 is used for accommodating the unit batteries 20 to be assembled.
The shaping device 32000 comprises a pressing assembly 32100 and a pressure removing assembly 32200, the pressing assembly 32100 is located at a feeding end 11 of the conveying belt 31100, the pressing assembly 32100 is used for shaping a battery pack on the tray jig 31200 and locking the tray jig 31200, so that the tray jig 31200 is used for fixing each single battery 20, the pressure removing assembly 32200 is located at a discharging end 15 of the conveying belt 31100, and the pressure removing assembly 32200 is used for enabling the tray jig 31200 to recover to an initial state and removing the fixing of the tray jig 31200 to a battery core thereon.
Referring to fig. 2, a welding module 33000 is mounted on the welding section 14 and is used for welding the battery packs on the tray jigs 31200; specifically, the welding module 33000 includes a three-axis translation stage 33100, a laser range finder 33200, an image collector 33300 and a welding head, the three-axis translation stage 33100 is installed on the welding section 14, the laser range finder 33200, the image collector 33300 and the welding head are all arranged on the three-axis translation stage 33100, the image collector 33300 is used for collecting images of a battery pack, the laser range finder 33200 is used for collecting coordinate information of a post on the battery pack, and the three-axis translation stage 33100 is used for driving the welding head to move to the position where each single battery 20 is located on the tray jig 31200 to weld.
The following describes the working procedure of the battery module assembly mechanism:
an operator codes a plurality of to-be-assembled battery cores into a tray jig 31200 positioned on the feeding end 11;
the transmission belt 31100 is started, and the tray jig 31200 with the battery pack is transmitted to the shaping device 32000, the shaping device 32000 extrudes the battery pack on the tray jig 31200 to shape the battery pack, and locks the tray jig 31200 to enable the tray jig 31200 to clamp the battery pack thereon;
then, the conveying belt 31100 transfers the shaped tray jig 31200 to the test section 12, determines whether the orientations of the individual battery cells 20 on the tray jig 31200 are consistent, that is, determines whether the individual battery cells are reversely mounted, cleans the outer walls of the individual battery cells 20 on the tray jig 31200, attaches the reflow sheet, the heat sink sheet and the like to the individual battery cells by an operator after the tray jig 31200 enters the attaching section 13, and fixes the same by using a tie and a steel belt.
Then, the tray jig 31200 is transferred to the welding section 14, and the battery pack is welded by the welding module 33000, at which time the battery module assembly is completed.
After the welding operation is completed, the clamping of the tray jig 31200 to the battery pack is released by the pressure release assembly 32200, and the welded battery module is removed by the finished product blanking unit 40000.
In one embodiment, referring to fig. 1 and 8, the conveyor 31100 includes a double-layer speed chain 31110, a layered foot base 31120, and two lifters 31130, wherein the double-layer speed chain 31110 is mounted on the layered foot base 31120, and the two lifters 31130 are respectively disposed at two sides of the layered foot base 31120 and respectively connected to two ends of the double-layer speed chain 31110. One of the lifters 31130 is located at the feeding end 11, the other lifter 31130 is located at the discharging end 15, and the lifter 31130 located at the feeding end 11 is used for conveying the pallet jig 31200 of the lower layer of the double-layer double-speed chain 31110 to the upper layer of the double-layer double-speed chain 31110; the elevator 31130 at the discharging end 15 is used to transport the tray jig 31200 of the upper layer of the double-layer double-speed chain 31110 to the lower layer of the double-layer double-speed chain 31110.
Referring to fig. 8, in one embodiment, the dual-layer speed chain 31110 includes an upper transmission chain 31111 and a lower transmission chain 31112, the upper transmission chain 31111 and the lower transmission chain 31112 are mounted on the layered foot stand 31120, and the transmission direction of the upper transmission chain 31111 is opposite to the transmission direction of the lower transmission chain 31112. The upper transfer chain 31111 is used for transporting the battery modules, and the lower transfer chain 31112 transports the tray jig 31200 back to the feed end 11.
Referring to fig. 9, in order to prevent the tray tool 31200 from moving reversely when the battery module is assembled, the conveying belt 31100 further includes a plurality of stop members 31300, the stop members 31300 are disposed on the upper conveying chain 31111 at intervals, and the stop members 31300 are used for abutting against the outer wall of the tray tool 31200. Specifically, the stop assembly 31300 only allows the tray jig 31200 to pass along the conveying direction of the upper conveying chain 31111, and when the tray jig 31200 moves along the conveying direction of the lower conveying chain 31112, the stop assembly 31300 abuts against the outer wall of the tray jig 31200 to prevent and continue to move.
In an embodiment, referring to fig. 9, the stopping assembly 31300 includes a receiving seat 31310, a restoring member 31320 and a blocking insert 31330, the receiving seat 31310 is mounted on the upper conveying chain 31111, the blocking insert 31330 is received in the receiving seat 31310, the restoring member 31320 pushes the blocking insert 31330 away from the receiving seat 31310, and the blocking insert 31330 is used for abutting against an outer wall of the tray fixture. When the tray tool 31200 moves along the conveying direction of the upper conveying chain 31111, the tray tool 31200 presses the blocking insert 31330 into the accommodating seat 31310, and after the tray tool 31200 passes, the reset member 31320 provides elastic force to drive the blocking insert 31330 to stretch out again, otherwise, when the tray tool 31200 moves along the conveying direction of the lower conveying chain 31112, the tray tool 31200 cannot press the blocking insert 31330, and the blocking insert 31330 blocks the tray tool 31200, so that the tray tool 31200 cannot translate continuously.
In one embodiment, referring to fig. 9, the blocking insert 31330 is provided with a through-slope 31331 and a blocking surface 31332, and the blocking surface 31332 is used for abutting against the outer wall of the tray fixture 31200. Specifically, when the tray tool 31200 moves along the conveying direction of the upper conveying chain 31111, the outer wall of the tray tool 31200 contacts the inclined surface 31331, and because of the inclined surface, the tray tool 31200 applies a component force to the blocking insert 31330 toward the accommodating seat 31310, under the component force, the blocking insert 31330 compresses the reset member 31320 and moves toward the accommodating seat 31310, that is, the blocking insert 31330 cannot form a blocking for the tray tool 31200, and when the tray tool 31200 moves along the conveying direction of the lower conveying chain 31112, the tray tool 31200 abuts against the blocking surface 31332, and cannot generate the component force to press down the blocking insert 31330, so that the blocking insert 31330 is blocked by the blocking insert 31330.
Referring to fig. 3, in an embodiment, the battery module assembling mechanism further includes a detecting device 35000, the detecting device 35000 is mounted on the test section 12, and the detecting device 35000 is used for detecting the battery pack accommodated on the tray jig 31200.
Wherein, detection device 35000 includes test stand 35100, detection module 35200 and a plurality of plasma cleaner 35300, and test stand 35100 installs on test section 12, and detection module 35200 sets up on test stand 35100, and test stand 35100 drive detection module 35200 is close to the group battery on the tray tool 31200, and detection module 35200 is used for detecting the group battery to judge whether the battery cell is adorned in reverse.
Referring to fig. 1 and 3, a plurality of plasma cleaners 35300 are disposed on the test rack 35100 at intervals, and each of the plasma cleaners 35300 is disposed towards the conveying belt 31100. When the tray jig 31200 passes through the position of the plasma cleaner 35300, the plasma cleaner 35300 cleans the battery pack of the tray jig 31200.
Compared with the prior art, the invention has at least the following advantages:
1. the double-speed chain transmission device 31000 replaces manual transmission of the battery pack to each processing station, the shaping device 32000 automatically shapes the battery pack, the welding module 33000 automatically welds the battery module, the automation degree of battery assembly is improved, and the assembly efficiency of the battery module is further improved;
2. The shaping device 32000 is arranged to automatically shape and fix the battery pack on the tray jig, so that the consistency of the battery module is improved;
3. the assembly stations of the battery modules are integrated on the same conveying belt 31100, so that the transfer times are reduced, and the assembly efficiency of the battery modules is improved.
Further, in order to enable the battery module assembly mechanism to be capable of adapting to battery modules of various types, manufacturing cost of equipment is reduced, and utilization rate of the tray jig 31200 is improved.
In one embodiment, referring to fig. 4, the tray fixture 31200 includes: the bottom plate 31210, fixed stopper 31230 and pressurize subassembly 31240, battery module's a plurality of battery cells are placed on the bottom plate 31210, and be located between fixed stopper 31230 and the pressurize subassembly 31240, fixed stopper 31230 is the stiff end, pressurize subassembly 31240 is the application of force end, pressurize subassembly 31240 translation is in order to hold each battery cell between fixed stopper 31230 and pressurize subassembly 31240 towards fixed stopper 31230, and fixed stopper 31230's mounted position is adjustable, can adapt to the fixed demand of battery module's battery cell of different models.
The bottom plate 31210 is provided with a distance adjusting part 31211, and the bottom plate 31210 is used for carrying single batteries;
The fixed limiting block 31230 is mounted on the distance adjusting part 31211;
the pressure maintaining assembly 31240 comprises a supporting foot seat 31241, a pressing block 31242 and a screw rod 31243, wherein the supporting foot seat 31241 is mounted on one end of the bottom plate 31210 far away from the fixed limiting block 31230, the pressing block 31242 and the screw rod 31243 are both arranged on the supporting foot seat 31241, the screw rod 31243 is connected with the pressing block 31242, and the screw rod 31243 is used for pushing the pressing block 31242 to translate towards the position of the fixed limiting block 31230 so as to clamp the single battery.
The following describes the principle of the tray jig 31200 clamping the single battery:
when the tray jig 31200 is in an initial state, the distance between the pressing block 31242 and the fixed limiting block 31230 is the largest, and when the tray jig 31200 is in a working state, the distance between the pressing block 31242 and the fixed limiting block 31230 is the smallest;
in the initial state, each single battery of the battery module is placed on the bottom plate 31210, at this time, the pressing block 31242 is not contacted with the single batteries, and gaps exist between the single batteries, so that the single batteries are in a loose state;
the screw rod 31243 is rotated, so that the pressing block 31242 translates towards the direction approaching to the fixed limiting block 31230, at the moment, the distance between the fixed limiting block 31230 and the pressing block 31242 begins to be reduced, the pressing block 31242 is contacted with the single batteries on the bottom plate 31210, and the single batteries are pushed to be mutually stuck together in the translation process until the single batteries are mutually stuck, the screw rod 31243 is stopped rotating, at the moment, the pressing block 31242 and the limiting block 200 are matched to clamp the single batteries on the bottom plate 31210, so that the battery module processing equipment can conveniently carry out operations such as assembly, welding and the like on the single batteries;
And when the model of the produced battery module is switched, there are the following cases:
1. the sizes of the single batteries in the two types of battery modules are not greatly different;
2. the sizes of the single batteries in the two types of battery modules are greatly different, and the sizes of the single batteries of the battery modules to be produced are larger than those of the single batteries of the battery modules to be produced originally;
3. the sizes of the single batteries in the two types of battery modules are greatly different, and the sizes of the single batteries of the battery modules to be produced are smaller than those of the single batteries of the battery modules to be produced originally;
for the above case 1, since the sizes of the single batteries in the two signal battery modules are similar, the single batteries can be perfectly fixed by only rotating the screw rod 31243 to fix the limiting block 31230 and the pressing block 31242;
for the above 2 nd case, because the size of the unit cell of the newly produced battery module is larger, before stacking the unit cell into the tray jig 31200, the installation position of the fixed stopper 31230 on the distance adjusting portion 31211 needs to be adjusted, the fixed stopper 31230 is pushed away from the supporting leg seat 31241, when the interval between the fixed stopper 31230 and the pressing block 31242 is adjusted to be larger than the total length of the unit cell to be clamped, the fixed stopper 31230 is fixed, and at this time, the unit cell can be clamped and fixed by repeating the action of clamping the unit cell by the tray jig 31200;
Similarly, for the above 3 rd case, because the size of the battery cell of the newly produced battery module is smaller, the pressing block 31242 cannot apply force to the battery cell after translating to the limit position, the battery cell cannot be clamped between the pressing block 31242 and the fixed limiting block 31230, at this time, the installation position of the fixed limiting block 31230 on the distance adjusting portion 31211 needs to be adjusted, the fixed limiting block 31230 is pushed towards the direction close to the supporting leg seat 31241, when the distance between the fixed limiting block 31230 and the pressing block 31242 is adjusted to be only slightly larger than the total length of the battery cell needing to be clamped, the fixed limiting block 31230 is fixed, and at this time, the actions of clamping the battery cell by the tray jig 31200 are repeated, so that the battery cell can be clamped and fixed.
Referring to fig. 5, in an embodiment, in order to facilitate rotating the screw rod 31243 to push the pressing block 31242 to clamp or unclamp the single battery, the screw rod 31243 includes a nut 31243a and a stud 31243b, the nut 31243a is mounted on the supporting foot 31241, the stud 31243b is in threaded connection with the nut 31243a, an end of the stud 31243b is connected with the pressing block 31242, and a docking slot 31243c is disposed on an end of the stud 31243b away from the pressing block 31242. The rotating tool is abutted with the abutting groove 31243c, and the stud 31243b can be driven to rotate by starting the rotating tool, so as to drive the pressing block 31242 to translate, wherein the rotating tool can be a tool capable of realizing rotating action such as a rocker, a screw driver or a servo motor.
Referring to fig. 4, in order to ensure that the pressing block 31242 does not shake during the translation process, the pressure maintaining assembly 31240 further includes a plurality of linear bearings 31244 and a plurality of guide arms 31245, the plurality of linear bearings 31244 are all mounted on the support foot bases 31241, each guide arm 31245 correspondingly passes through each linear bearing 31244, and the ends of the plurality of guide arms 31245 are all connected with the pressing block 31242.
Further, a linkage rod 31246 is disposed between each adjacent two of the guide arms 31245, and the linkage rod 31246 is disposed on an end of the guide arm 31245 remote from the presser bar 31242. The linkage rod 31246 ensures that the adjacent two guide arms 31245 are synchronously telescopic, and ensures that the pressing block 31242 cannot incline when translating.
In an embodiment, the distance adjusting portion 31211 is provided with a plurality of adjusting positions 31211a, the fixed limiting block 31230 is mounted on one of the adjusting positions 31211a, each adjusting position 31211a corresponds to a type of battery module, and the fixed limiting block 31230 is fixed on the corresponding adjusting position 31211a, so that the tray fixture 31200 can be used for clamping the battery pack of the battery module corresponding thereto.
In order to facilitate adjustment of the mounting position of the fixed stopper 31230, two guide strips 31212 are provided on the edge of the bottom plate 31210, and both guide strips 31212 are attached to the fixed stopper 31230. The fixed stopper 31230 is guided to slide between the respective adjustment positions 31211a by the two guide bars 31212.
The tray fixture 31200 further includes a supporting plate 31220, the supporting plate 31220 is located between the fixed limiting block 31230 and the supporting foot base 31241, and the supporting plate 31220 is used for being abutted to the bottom of the single battery. The supporting plate 31220 is provided with a plurality of supporting plate clamping grooves 31221, and the supporting plate clamping grooves 31221 are used for accommodating the binding tapes. The clearance is provided by opening the pallet clamping groove 31221.
In order to improve the service life of the tray jig, rolling bearings 31250 are provided on the bottom plate 31210.
Compared with the prior art, the invention has at least the following advantages:
1. the screw rod 31243 is rotated to enable the pressing block 31242 to move towards the direction of the fixed limiting block 31230, so that the fixed limiting block 31230 and the pressing block 31242 are matched to clamp the single batteries of the bottom plate 31210, the installation position of the fixed limiting block 31230 on the distance adjusting part 31211 is independently adjusted, the distance between the fixed limiting block 31230 and the pressing block 31242 can be adjusted, and further the tray jig 31200 can clamp the single batteries of battery modules with different types, thereby improving the compatibility of the tray jig 31200;
2. products of different models are adapted through changing the interval between the fixed limiting block 31230 and the pressing block 31242, namely, the jig is not required to be replaced when other models of battery modules are produced, the equipment debugging difficulty is reduced, the jig is not required to be manufactured externally, and the equipment development cost is reduced.
In yet another embodiment, referring to FIG. 6, to improve the shaping efficiency, the extrusion assembly 32100 includes: tightening device 32110, pressing device 32120 and two side pressure subassembly 32130, pressing device 32120 are used for carrying out the extrusion to the upper end and the lower extreme of group battery on tray tool 31200, two side pressure subassembly 32130 extrude the left side and the right side of group battery on tray tool 31200 respectively, tightening device 32110 presss from both sides the front end and the rear end of group battery with tray tool 31200 tight group battery, replace the manual work to group battery through tray tool 31200, tightening device 32110, pressing device 32120 and two side pressure subassembly 32130 mutually support, improve plastic efficiency, and press from both sides tight group battery by tray tool 31200 after the plastic, prevent that the monomer battery in the group battery from taking place dislocation because of transmission process shake.
The tray jig 31200 is provided with a fixed limiting block 31230 and a pressing block 31242, the tray jig 31200 is arranged on the conveying belt, the tray jig 31200 is used for accommodating a battery pack, and the battery pack is positioned between the fixed limiting block 31230 and the pressing block 31242; before the tightening device 32110 is not started, the fixed limiting block 31230 and the pressing block 31242 do not apply external force to the battery pack, when the tray jig 31200 is moved to the working position of the pressing assembly 32100, the tightening device 32110 is started and drives the pressing block 31242 to move towards the direction close to the fixed limiting block 31230, so that the pressing block 31242 pushes the battery pack to be close to the position where the fixed limiting block 31230 is located, and clamps the battery pack between the fixed limiting block 31230 and the pressing block 31242, and at this time, the fixed limiting block 31230 clamps the front end and the rear end of the battery pack respectively.
Referring to fig. 6 and 7, the pressing device 32120 includes a mounting frame 32121, a pressing member 32122 and a lifting member 32123, the pressing member 32122 is disposed on the mounting frame 32121, the lifting member 32123 is disposed below the tray jig 31200, the pressing member 32122 is used for pressing the top end of the battery pack, and the pressing member 32123 is used for abutting against the bottom of the battery pack.
It should be noted that, the mounting frame 32121 and the tightening device 32110 are sequentially disposed on the conveying belt along the moving direction of the tray jig 31200, and when the tray jig 31200 moves to the working position of the pressing assembly 32100, the pressing member 32122 is located directly above the tray jig 31200, and the jacking member 32123 is located directly below the tray jig 31200.
When the shaping operation is not performed, the pressing piece 32122 and the jacking piece 32123 are far away from the tray jig 31200; when the pressing device 32120 is started, the jacking piece 32123 is lifted to be in contact with the bottom of the battery pack in the tray jig 31200, the pressing piece 32122 is lowered to be in contact with the top of the battery pack, and the pressing piece 32122 and the jacking piece 32123 apply force simultaneously, so that one or more floating single batteries in the battery pack are flattened, and the top of the single batteries is guaranteed to be level.
Referring to fig. 6 and 7, two side pressure assemblies 32130 are respectively disposed on two sides of the mounting frame 32121, namely two sides of the conveying belt 31100, and two side pressure assemblies 32130 are respectively disposed towards the tray jig 31200, and two side pressure assemblies 32130 are respectively used for abutting against the left side and the right side of the battery pack.
When the shaping operation is not performed, the two side pressure assemblies 32130 are both far away from the tray jig 31200; during the shaping operation, the two side pressure assemblies 32130 are simultaneously started, apply force to the battery pack, and flatten one or more misplaced single batteries in the battery pack so as to ensure the side surfaces of the single batteries to be flush.
The operation of the extrusion assembly 32100 is described as follows:
the conveying belt 31100 moves the tray jig 31200 to the position where the pressing component 32100 is located, and at this time, the pressing component 32122 is located directly above the battery pack, the jacking component 32123 is located directly below the battery pack, and the two side pressing components 32130 are respectively located on the left side and the right side of the battery pack;
the extrusion assembly 32100 is started, and the lower pressing piece 32122, the jacking piece 32123 and the two side pressure assemblies 32130 are close to the battery pack at the same time;
the jacking piece 32123 is lifted to be in contact with the bottom of the battery pack in the tray jig 31200, the lower pressing piece 32122 is lowered to be in contact with the top of the battery pack, and the lower pressing piece 32122 and the jacking piece 32123 apply force simultaneously; the two side pressure assemblies 32130 apply force to the left and right sides of the battery pack respectively to level the upper, lower, left and right sides of the battery pack;
meanwhile, the tightening device 32110 drives the pressing block 31242 to move towards the direction close to the fixed limiting block 31230, the pressing block 31242 contacts with the rear end of the battery pack, and pushes the battery pack to approach to the position of the fixed limiting block 31230, so that each single battery on the battery pack is tightly attached between the fixed limiting block 31230 and the pressing block 31242, at this time, the upper, lower, left, right, front and rear of the battery pack are leveled, and the fixed limiting block 31230 and the pressing block 31242 clamp the battery pack, so that the battery pack maintains the leveled state.
Next, the tightening device 32110, the pressing members 32122, the jacking members 32123, and the two side pressure assemblies 32130 are all reset to leave the conveying path, and the conveying belt 31100 continues to advance with the tray jig 31200, and the battery pack is moved to a subsequent processing station for processing while maintaining the leveling state.
In an embodiment, referring to fig. 6 and 7, the tightening device 32110 includes a lifting frame 32111, an inserting sliding table 32112 and a tightening motor 32113, the inserting sliding table 32112 is mounted on the lifting frame 32111, the tightening motor 32113 is disposed on the inserting sliding table 32112, the lifting frame 32111 is used for driving the tightening motor 32113 to rise or fall, when the lifting frame 32111 rises, the tightening motor 32113 is driven to be far away from the conveying belt 31100, a conveying channel is reserved for the pallet jig 31200 to pass through, after the lifting frame 32111 falls, the tightening motor 32113 is driven to face the pressing block 31242, the inserting sliding table 32112 drives the tightening motor 32113 to be close to the pressing block 31242, so that the tightening motor 32113 is in butt joint with the screw rod 31243, and the pressing block 31242 is driven to translate in a direction approaching to the fixed limiting block 31230 by the tightening motor 32113.
When the screw rod 31243 is driven by the tightening motor 32113 to rotate forward, the pressing block 31242 is driven to translate in a direction approaching to the fixed limiting block 31230; when the screw rod 31243 is driven to rotate reversely by the tightening motor 32113, the driving pressing block 31242 translates in a direction away from the fixed limiting block 31230.
To facilitate docking, a docking cap 2113a is provided on the output end of the tightening motor 32113, the docking cap 2113a being adapted to dock with the docking slot 31243c of the stud 31243 b.
In one embodiment, the lifting frame 32111 includes a floating plate 32111a and two lifting feet 32111b, the two lifting feet 32111b are connected to the floating plate 32111a, and the insertion sliding table 32112 is installed on the floating plate 32111 a.
For easy debugging, the tightening device 32110 further includes a docking limiter 32140, the docking limiter 32140 is mounted on the floating plate 32111a, and the docking limiter 32140 is used for abutting against the outer wall of the insertion sliding table 32112.
In an embodiment, referring to fig. 7, the pressing piece 32122 includes a pressing driver 32122a, a pressing guiding rod 32122b and a pressing plate 32122c, the pressing driver 32122a is disposed on the mounting frame 32121, the pressing plate 32122c is disposed on an output end of the pressing driver 32122a, the pressing driver 32122a is used for driving the pressing plate 32122c to approach or depart from a top end of the battery pack, the pressing guiding rod 32122b is disposed on the mounting frame 32121, and the pressing guiding rod 32122b is connected with the pressing plate 32122 c. The push-down actuator 32122a may be a cylinder or other actuators capable of rectilinear motion. The lifter 32123 is disposed on the conveying belt 31100, and the lifter 32123 is disposed opposite to the lower platen 32122 c.
In one embodiment, the side pressing assembly 32130 includes a side pressing frame 32131, a side pressing plate 32132 and a side pressing cylinder 32133, the side pressing frame 32131 is mounted on the conveying belt 31100, the side pressing cylinder 32133 is mounted on the side pressing frame 32131, the side pressing plate 32132 is disposed on an output end of the side pressing cylinder 32133, and the side pressing cylinder 32133 is used for driving the side pressing plate 32132 to approach or separate from the tray jig 31200. The side pressure assembly 32130 further includes a side pressure guide 32134, the side pressure guide 32134 is disposed on the side pressure bracket 32131, and the side pressure guide 32134 is connected to the side pressure plate 32132.
The structure of the pressure release assembly 32200 is the same as that of the tightening device 32110.
Compared with the prior art, the invention has at least the following advantages:
1. the tray jig 31200, the tightening device 32110, the pressing device 32120 and the two side pressure assemblies 32130 are matched to replace manual shaping operation on the battery pack, so that shaping efficiency is improved, and consistency of products is ensured;
2. the tightening device 32110 locks the tray jig 31200, so that the fixing limiting block 31230 and the pressing block 31242 are matched to clamp the shaped battery pack, and the battery pack is ensured not to be misplaced due to vibration in the transmission process.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (9)
1. A battery module PACK production line, its characterized in that includes:
the pretreatment unit comprises a feeding testing device and a cleaning device, wherein the feeding testing device is used for sorting single batteries, and the cleaning device is used for cleaning the single batteries;
the rubberizing unit is positioned at the downstream of the preprocessing unit and is used for rubberizing the battery cells;
the battery pack assembly unit is positioned at the downstream of the rubberizing unit and is used for assembling and welding a plurality of single batteries into a battery module;
the finished product blanking unit is positioned at the downstream of the battery pack assembly unit and is used for taking out the battery modules in the battery pack assembly unit and moving the battery modules into a blanking transmission line;
the battery pack assembling unit comprises a double-speed chain transmission device, a shaping device and a welding module, wherein the shaping device and the welding module are arranged on the double-speed chain transmission device, a plurality of tray jigs are arranged on the double-speed chain transmission device, each tray jig is used for accommodating a plurality of single batteries, the double-speed chain transmission device is used for driving each tray jig to sequentially enter the shaping device and the welding module, the shaping device is used for shaping the battery pack on the tray jigs, and the welding module is used for welding the battery pack;
The double-speed chain transmission device comprises a transmission belt and a plurality of tray jigs, wherein a feeding end, a testing section, a sticking section, a welding section and a discharging end are arranged on the transmission belt, and the transmission belt is used for driving each tray jig to sequentially pass through the feeding end, the testing section, the sticking section, the welding section and the discharging end;
the shaping device comprises an extrusion assembly and a pressure removing assembly, wherein the extrusion assembly is positioned at the feeding end of the conveying belt, the extrusion assembly is used for shaping a battery pack on the tray jig and locking the tray jig so as to fix each single battery by the tray jig, the pressure removing assembly is positioned at the discharging end of the conveying belt, and the pressure removing assembly is used for enabling the tray jig to recover to an initial state and removing the fixing of the single battery on the tray jig;
the extrusion assembly includes: tightening device, pressing device and two side pressure subassemblies, pressing device is used for right upper end and the lower extreme of group battery are extruded on the tray tool, two side pressure subassemblies are used for right left side and right side of group battery are extruded on the tray tool respectively, tightening device is used for making the front end and the rear end of the tight group battery of tray tool clamp, through the tray tool tightening device pressing device and two side pressure subassemblies mutually support and carry out the plastic to the group battery.
2. The battery module PACK production line according to claim 1, wherein the pretreatment unit further comprises a feeding conveyor belt, a plurality of trays are arranged on the feeding conveyor belt, the feeding conveyor belt is used for driving single batteries to sequentially enter the material testing device, the cleaning device and the rubberizing unit, each tray is provided with 2 battery storage positions and 1 end plate storage position, the end plate storage positions are located at the middle positions of the trays, two battery storage positions are respectively located at two sides of the end plate storage positions, each battery storage position is used for accommodating one single battery, and the end plate storage positions are used for accommodating the end plates.
3. The battery module PACK production line according to claim 2, wherein the feeding testing device comprises a code scanner, an internal resistance testing probe and a sorting manipulator, the code scanner is used for scanning codes of single batteries on the battery storage position, the internal resistance testing probe is used for being abutted to a pole post of a battery, and the sorting manipulator is used for removing defective batteries.
4. The battery module PACK production line according to claim 3, wherein the sorting manipulator comprises a clamping jaw, a translation driver and a recovery box, the recovery box is arranged close to the feeding conveyor belt, the translation driver is used for driving the clamping jaw to translate between the recovery box and the tray, and the clamping jaw is used for clamping defective batteries.
5. The battery module PACK production line according to claim 1, wherein the cleaning device comprises a front cleaning assembly, a back cleaning assembly and a turnover assembly, the turnover assembly is arranged between the front cleaning assembly and the back cleaning assembly, the turnover assembly is used for turning over the single battery, the front cleaning assembly is used for cleaning the front of the single battery, and the back cleaning assembly is used for cleaning the back of the single battery.
6. The battery module PACK production line of claim 1, wherein the rubberizing unit comprises a battery dispensing assembly, an end plate dispensing assembly and a rubberizing platform, the battery dispensing assembly is used for dispensing single batteries, the end plate dispensing assembly is used for dispensing the end plates, and the rubberizing platform is used for bearing the single batteries and the end plates after dispensing.
7. The battery module PACK production line of claim 6, wherein the rubberizing platform comprises a carrier plate and a paster transfer platform, the paster transfer platform is arranged between the carrier plate and the end plate dispensing assembly, and the paster transfer platform is used for clamping and taking single batteries and end plates which are subjected to dispensing and placing the single batteries and the end plates on the carrier plate.
8. The PACK production line of claim 1, wherein the finished product blanking unit comprises a truss and a jack, the jack is arranged on the truss, and the jack is used for blanking the battery module.
9. A battery module, characterized by being assembled by the battery module PACK production line according to any one of claims 1 to 8.
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112103552B (en) * | 2020-11-02 | 2021-02-05 | 广东利元亨智能装备股份有限公司 | Novel pairing method for battery cells |
| CN112676836A (en) * | 2021-01-07 | 2021-04-20 | 惠州市华阳多媒体电子有限公司 | Automatic production line for energy storage battery |
| CN112894134B (en) * | 2021-02-02 | 2023-06-06 | 昂华（上海）自动化工程股份有限公司 | Lithium battery module assembly device and method |
| CN113381083B (en) * | 2021-04-26 | 2022-05-10 | 深圳市迪尔泰设备有限公司 | Lithium battery module assembly production process |
| CN114473195B (en) * | 2021-12-27 | 2024-02-06 | 东莞拓斯达技术有限公司 | Battery module laser welding treatment line |
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