CN116435572A

CN116435572A - Automatic assembly process and equipment for new energy battery module

Info

Publication number: CN116435572A
Application number: CN202310335709.6A
Authority: CN
Inventors: 吴豪杰; 郭时茂; 杜合礼; 刘立; 陆理方; 李波; 姜德志; 王勇煌
Original assignee: Upton Automation Systems Kunshan Co ltd
Current assignee: Upton Automation Systems Kunshan Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-07-14

Abstract

The invention discloses an automatic assembly process and equipment for a new energy battery module, which adopt a full-automatic process production line to replace manual carrying or packaging, thereby improving the working efficiency and having higher qualification rate. Through mutual cooperation use of electric core upset clamping jaw and plasma wiper mechanism to can clean electric core surface diversified, be convenient for carry out next process to electric core and handle. The stacking table comprises two groups of storage assemblies, and the two groups of storage assemblies are arranged to store the cell module in one storage assembly, so that the cell module in the other storage assembly is convenient to grasp, and the working efficiency is further improved; the stacking table can rotate so as to switch the positions of the two groups of storage components to finish the storage and the transportation of the battery cell modules. The upper end plate mechanism and the lower end plate mechanism are arranged in a vertically staggered mode, linear movement can be achieved, intersection is achieved, personnel can attach insulating sheets to the end plates conveniently, and working efficiency is improved.

Description

Automatic assembly process and equipment for new energy battery module

Technical Field

The invention relates to the technical field of battery assembly, in particular to an automatic assembly process and equipment for a new energy battery module.

Background

With the promotion policy of related new energy automobile industry, the electric automobile industry is unprecedented and rapidly developed, and the power battery is one of the core components of the electric automobile, and the capacity of the power battery is also a key factor for restricting the development of the electric automobile at present. At present, hundreds of families in the power battery industry are put together, in particular to an automatic assembly production line of a battery module, and different manufacturers have custom-made nonstandard equipment according to the requirements of the production line of the manufacturers, although some manufacturers can relate to related assembly equipment. However, the equipment of each manufacturer is not good, and the semi-automatic and manual operation is matched, so that the low degree of automation leads to low production efficiency and serious deficiency of productivity, and meanwhile, the production qualification rate is also low. Therefore, there is a need to develop an automatic assembly line for battery modules with high automation degree, so as to improve the production efficiency of the assembly of the battery modules, improve the productivity and improve the qualification rate of the products.

Disclosure of Invention

In order to solve the technical problems, the invention provides an automatic assembly process and equipment for a new energy battery module, and the process and equipment can improve the production efficiency of the assembly of the battery module, improve the productivity and improve the qualification rate of products.

The technical scheme of the invention is as follows: an automatic assembly process of a new energy battery module defines the direction of a battery cell entering a production line as a head end, and comprises the following steps:

step 1, personnel place the whole package of battery cells at the head end of a production line, and convey the battery cells to a tray through a battery cell conveying robot so as to be convenient for transportation;

step 2, testing the resistance and voltage of the battery cell, and uploading data;

step 3, sorting according to the positive and negative poles of the battery cells;

step 4, cleaning the ordered battery cells in the step 3;

step 5, a person manually sticks the insulating sheet to the battery core, and sticks the insulating sheet to the end plate through a patch fixture;

step 6, arranging the electric cores through an electric core shaping mechanism, and carrying the shaped electric core modules to a stacking table through a six-axis mechanical arm so as to be convenient for a module carrying robot to grasp;

step 7, the module carrying robot carries the cell module to a bundling table, the cell module is leveled through a pressing mechanism, a side pressure cell cylinder is fixed on the module, and the cell module surface is bundled;

and 8, detecting the cell module entering an insulation and voltage resistance test station, entering the next station after the data are qualified, and coding the surface of the cell module so as to bind the data.

Further, step 2 also includes NG discharging step, which includes sorting unqualified cells to a discharging mechanism according to the resistance and voltage data of the cells, and the discharging mechanism moves the cells to a safe position after sensing that the cells are in place.

Further, in the step 4, the cleaning of the surface of the battery cell is as follows: the battery cell overturning clamping jaw is used for fixing the battery cell, one side of the battery cell is cleaned through the plasma cleaning mechanism, after one side is cleaned, the battery cell overturning clamping jaw overturns 180 degrees, the plasma cleaning mechanism is used for cleaning the other side of the battery cell, and the battery cell overturning clamping jaw is placed on the tray after the cleaning is completed.

Further, in the step 6, the stacking table can rotate 180 degrees, and two stations are arranged on opposite sides of the stacking table, so that the six-axis mechanical arm and the module carrying robot can carry or grab the battery cell module at the same time.

An automatic assembly device for new energy battery modules, comprising:

the conveying line is provided with a tray for placing the battery cell module, and the battery cell module is conveyed through the conveying line; the transportation line is connected with:

the OCV test equipment is provided with a jacking mechanism and a test mechanism, the tray is positioned in the OCV test equipment through the jacking mechanism, and the test mechanism can move linearly to test voltage and resistance of an electric core module placed on the tray;

the NG discharging device is positioned at the downstream of the OCV testing device and is in signal connection with the OCV testing device; the NG discharging equipment comprises an X-direction servo module, a Y-direction servo module and a Z-axis clamping claw, wherein the Z-axis clamping claw moves linearly through the X-direction servo module and the Y-direction servo module so as to carry unqualified battery cells;

the automatic sequencing and overturning device is positioned at the downstream of the NG discharging device and comprises an A wire body, a B wire body and an automatic sequencing and overturning robot, wherein the automatic sequencing and overturning device is connected with the NG discharging device through the A wire body and a conveying wire, and the automatic sequencing and overturning robot can carry a battery cell on the A wire body to the B wire body according to positive and negative poles;

the plasma cleaning device is positioned at the downstream of the automatic sequencing turnover device and is connected with the line B through a conveying line; the plasma cleaning device comprises a battery core overturning clamping jaw and a plasma cleaning mechanism, wherein the battery core overturning clamping jaw clamps and fixes a battery core placed on a tray and can overturn a filter core, and the plasma cleaning mechanism moves through a linear module to clean the surface of the battery core;

the manual patch mechanism is positioned at the downstream of the plasma cleaning equipment and is arranged on the conveying line, and the isolation sheet is manually attached to the battery cell;

the patch mechanism is provided with an upper end plate mechanism and a lower end plate mechanism, the upper end plate mechanism and the lower end plate mechanism can linearly move through a transverse module, and the upper end plate mechanism and the lower end plate mechanism are arranged in an up-and-down staggered manner; the upper end plate mechanism is provided with an end plate, and an insulating sheet is attached to the end plate through a second patch fixture;

the cell shaping equipment comprises a block pushing plate, and the same end face of the cell is aligned through the pushing plate;

the robot carrying stacking station comprises a six-axis mechanical arm, a stacking table and a module carrying robot, wherein the stacking table is provided with two groups of placing areas and can rotate, so that the six-axis mechanical arm carries the cell module positioned in the cell shaping equipment to one of the placing areas, and the module carrying robot grabs the cell module positioned in the other placing area to the bundling table;

the module bundling equipment comprises a side pressure air cylinder and a pressing mechanism, and the side pressure mechanism and the pressing mechanism are used for fixing the cell module so as to be convenient for bundling the cell module manually;

and the insulation voltage withstand test equipment is used for performing pressure test on the bundled cell module and coding the cell module through a marking machine so as to bind data.

Further, the plasma cleaning equipment is further provided with a jacking platform, the jacking platform is rotationally connected with a plurality of rotating shafts, one end of each rotating shaft is connected with the battery cell overturning clamping jaw, the other end of each rotating shaft is connected with a rack through a gear, and when the rack moves, the rotating shafts drive the battery cell overturning clamping jaw to rotate through the gear and the rotating shafts.

Further, the rack is connected to the cross rod, a positioning block is arranged at the upper end of the cross rod, and a driving cylinder capable of driving the cross rod to move is arranged on one side of the positioning block.

Further, the jacking platform comprises a jacking air cylinder and a panel connected to the jacking air cylinder, wherein a vertical plate is fixedly connected to the upper end of the panel, the rotating shaft is rotationally connected to the vertical plate, and the driving air cylinder is connected to the upper end of the vertical plate.

Further, the stacking table comprises a rotating platform and two storage assemblies symmetrically arranged on the rotating platform, each storage assembly comprises a plurality of groups of storage rails and an abutting assembly connected to each storage area, and the abutting assemblies can linearly move along the length direction of the storage rails so as to position the battery cells for placing the storage rails.

Further, the structure of upper end plate mechanism is the same with that of lower floor end plate mechanism, upper end plate mechanism includes multiunit paster frock and cooperation the locating bench that the paster frock used, the paster frock with the locating bench joint is connected.

The beneficial technical effects of the invention are as follows:

1. the full-automatic process production line is adopted to replace manual carrying or packaging, so that the working efficiency is improved, and the qualification rate is also higher.

2. Through mutual cooperation use of electric core upset clamping jaw and plasma wiper mechanism to can clean electric core surface diversified, be convenient for carry out next process to electric core and handle.

3. The stacking table comprises two groups of storage assemblies, and the two groups of storage assemblies are arranged to store the cell module in one storage assembly, so that the cell module in the other storage assembly is convenient to grasp, and the working efficiency is further improved; the stacking table can rotate so as to switch the positions of the two groups of storage components to finish the storage and the transportation of the battery cell modules.

4. The upper end plate mechanism and the lower end plate mechanism are arranged up and down in a staggered mode, and the upper end plate mechanism and the lower end plate mechanism can linearly move to finish intersection, so that people can attach insulating sheets to the end plates conveniently, and the working efficiency is improved.

5. The setting of electric core plastic equipment is convenient for with electric core module same terminal surface to it, and six robotic arms of being convenient for can snatch electric core module, guarantees can not take place the position change or drop in snatching the in-process, improves the stability of snatching the process.

6. And the NG discharging equipment grabs the unqualified battery cells according to the battery cell voltage and resistance information provided by the OCV testing equipment, so that the unqualified battery cells are prevented from flowing into the next procedure.

7. The automatic sequencing and overturning equipment is convenient for arranging the battery cells in order, and arranging the battery cells according to the same positive and negative poles, so that the battery cells are convenient for processing in the next working procedure.

The foregoing description is only an overview of the present invention, and is intended to provide a better understanding of the present invention, as it is embodied in the following description, with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

FIG. 1 is a schematic view of a station section A of the overall structure of the present invention;

FIG. 2 is a schematic view of a B-stage station of the overall structure of the present invention;

FIG. 3 is a schematic view of a station of section C of the overall structure of the present invention;

FIG. 4 is a schematic view of a station of section D of the overall mechanism of the present invention;

fig. 5 is a schematic structural diagram of a feeding mechanism for whole package of a battery cell at a station of a section a of the invention;

FIG. 6 is a schematic diagram of the OCV test equipment of the segment A station of the present invention;

FIG. 7 is a schematic structural view of the NG discharging device of the segment A station of the present invention;

FIG. 8 is a schematic diagram of the automated sequencing and flipping equipment of the segment A station of the present invention;

FIG. 9 is a schematic structural view of a B-stage station plasma cleaning apparatus of the present invention;

FIG. 10 is a schematic structural view of a section B station plasma cleaning apparatus of the present invention from another perspective;

FIG. 11 is a schematic structural view of a manual patch mechanism of the B-stage station of the present invention;

FIG. 12 is a schematic view of the structure of the patch mechanism of the C-stage station of the present invention;

fig. 13 is a schematic structural view of a C-stage cell shaping apparatus of the present invention;

FIG. 14 is a schematic view of the robotic handling stacking station of the C-stage station of the present invention;

FIG. 15 is a schematic view of the modular strapping apparatus of the present invention in a C-staging position;

FIG. 16 is a schematic diagram of the insulation and voltage withstand test equipment of the D-stage station of the present invention;

fig. 17 is a schematic structural view of a marking machine of the D-stage station of the present invention.

The reference numerals are:

100. the whole-package feeding mechanism of the battery cell; 101. a transfer rail; 102. cell handling robot; 103. a transport line; 200. OCV test equipment; 201. a pneumatic element; 202. a transport rail; 203. a battery cell; 204. a tray; 205. a vertical module; 206. a cross plate; 207. a probe; 208. a fixed block; 300. NG discharging equipment; 301. an X-direction servo module; 302. a Y-direction servo module; 303. a Z-axis clamping jaw; 400. automatic sequencing and overturning equipment; 401. a line body A; 402. a B line body; 403. automatic sequencing overturning robot; 500. a plasma cleaning device; 501. a plasma cleaning mechanism; 502. a linear module; 503. the battery cell turns over the clamping jaw; 504. jacking the air cylinder; 505. a panel; 506. a riser; 507. a rack; 508. a gear; 509. a rotating shaft; 510. a driving cylinder; 511. a positioning block; 600. a manual patch mechanism; 601. a first patch tool; 602. a spacer; 700. a patch mechanism; 701. an upper end plate mechanism; 702. a lower end plate mechanism; 703. a second patch tool; 704. a positioning table; 705. a transverse module; 706. an insulating sheet; 800. the battery cell shaping equipment; 801. a push plate; 900. carrying and stacking stations by robots; 901. a six-axis mechanical arm; 902. a module handling robot; 903. a stacking table; 904. a turntable; 905. a storage assembly; 906. storing the rail; 907. an abutment assembly; 1000. a modular strapping device; 1001. a pressing mechanism; 1002. a side pressure mechanism; 1003. a sliding table; 1100. insulation withstand voltage test equipment; 1200. a marking machine.

Detailed Description

In order that the manner in which the above recited features of the present invention are attained and can be understood in detail, a more particular description of the invention, briefly summarized below, may be had by reference to the appended drawings and examples, which are illustrated in their embodiments, but are not intended to limit the scope of the invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are directions or positional relationships described based on the embodiments and shown in the drawings, or directions or positional relationships in which the inventive product is conventionally put in use are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.

As shown in fig. 1-17, the present invention specifically relates to an automatic assembly process of a new energy battery module, defining a direction of a battery core 203 entering a production line as a head end, comprising the following steps:

step 1, personnel place the whole package of the battery cells 203 at the head end of a production line, and convey the battery cells 203 to a tray 204 through a battery cell conveying robot 102 so as to be convenient for transportation;

it should be noted that, personnel place whole package electric core 203 on transfer rail 101 earlier, transport whole package electric core 203 to the workspace through transfer rail 101, through electric core transfer robot 102 according to the direction that vision provided, automatic snatch electric core 203 put on tray 204, after snatching a layer thick, electric core transfer robot 102 can snatch the waste region to the bubble cotton of placing at electric core 203, if meet the lack of materials condition, the manual work is put the feed supplement electric core 203 at transfer rail 101, again by electric core transfer robot 102 automatic snatch.

Step 2, testing the resistance and voltage of the battery core 203 and uploading data; before testing the resistance and voltage of the battery cell 203, the testing mechanism starts to scan the code of the battery cell 203, and after the code scanning is finished, the testing instrument starts to test the resistance and voltage of the battery cell 203, and meanwhile, related information of the battery cell 203 and the code of the battery cell 203 are bound together to serve as production basis of a subsequent station.

The method further comprises a NG discharging step, wherein the NG discharging step sorts the unqualified battery cells 203 to a discharging mechanism according to the resistance and voltage data of the battery cells 203, and the discharging mechanism moves the battery cells 203 to a safe position after sensing that the battery cells 203 are in place so as to reject the unqualified battery cells 203.

Step 3, sorting according to the positive and negative poles of the battery cells 203, wherein the battery cells 203 placed on the tray 204 reach a designated position, the automatic sorting and overturning robot 403 automatically grabs the positions of the battery cells 203 on the tray 204 according to the data of the previous stations, sorts the positive and negative poles of the battery cells 203 on another tray 204 according to the production requirement, and judges whether the polarity of the battery cells 203 is correct again after the battery cells 203 on the tray 204 are fully filled.

Step 4, cleaning the sequenced battery cells 203 in the step 3;

the surface cleaning of the battery core 203 is as follows: the battery core 203 is fixed by the battery core overturning clamping jaw 503, one surface of the battery core 203 is cleaned by the plasma cleaning mechanism 501, when one surface is cleaned, the battery core overturning clamping jaw 503 overturns 180 degrees, the other surface of the battery core 203 is cleaned by the plasma cleaning mechanism 501, and the battery core is placed on the tray 204 after the cleaning is completed.

Step 5, a person manually sticks the insulating sheet 602 to the battery core 203, and sticks the insulating sheet 706 to the end plate through the second patch tooling 703;

step 6, arranging the battery cells 203 through a battery cell shaping device 800, and carrying the shaped battery cells 203 to a stacking table 903 through a six-axis mechanical arm 901 so as to be convenient for a module carrying robot 902 to grasp;

wherein, the stacking table 903 can rotate 180 degrees, and two stations are arranged on opposite sides of the stacking table 903, so that the six-axis mechanical arm 901 and the module handling robot 902 can simultaneously handle or grab the battery core 203.

Step 7, the module handling robot 902 carries the battery core 203 module to a bundling table, levels the battery core 203 module through the pushing mechanism 1001, fixes the side pressure battery cylinder to the module, and bundles the surface of the battery core 203 module;

and 8, detecting the electric core 203 module by entering an insulation voltage withstand test station, entering the next station after the data are qualified, and coding the surface of the electric core 203 module so as to bind the data.

By adopting the process, the battery cell 203 module can be assembled rapidly, and the qualification rate of the battery cell 203 module is ensured on the premise of improving the degree of automation, so that the production efficiency is greatly improved.

As shown in fig. 1 to 6, an automatic assembly device for a new energy battery module includes:

a transportation line 103, wherein a tray 204 for placing the battery cell 203 module is arranged on the transportation line 103, and the battery cell 203 module is transported by the transportation line 103; the transport line 103 is sequentially connected with:

it should be noted that, the transport line 103 is formed by multiple groups of transport frames, each group of transport frames is a single unit, and the PACK assembly devices are serially connected through the multiple groups of transport frames in order to transport the battery cells 203.

In addition, the tray 204 can be transported on a transport rack, and the battery cells 203 are positioned within the tray 204.

As shown in fig. 5 and fig. 6, before the battery core 203 module is placed on the transportation line 103, the battery core 203 needs to be carried onto the transportation line 103 by the battery core whole package feeding mechanism 100, wherein the battery core whole package feeding mechanism 100 includes a plurality of transmission rails 101 for placing the whole package of battery cores 203 and a battery core carrying robot 102 located at one end of the transmission rails 101, personnel place the whole package of battery cores 203 on the transmission rails 101, transport the whole package of battery cores 203 to a working area through the transmission rails 101, automatically grasp the battery cores 203 on a tray 204 according to a direction provided by vision through the battery core carrying robot 102, grasp foam placed on the battery cores 203 to a waste area after grasping a layer thickness, if a material shortage condition is met, manually place the material supplementing battery cores 203 on the transmission rails 101, and automatically grasp the battery core 203 by the battery core carrying robot 102.

As shown in fig. 1 and 6, the OCV testing apparatus 200 is provided with a jacking mechanism and a testing mechanism, the tray 204 is positioned in the OCV testing apparatus 200 by the jacking mechanism, and the testing mechanism can move linearly to test voltage and resistance of the module of the battery cell 203 placed on the tray 204;

wherein, the OCV test apparatus 200 is also provided with a transportation rail 202 that can be connected with a transportation frame, and after the battery cell 203 placed on the tray 204 reaches a specified position through the transportation rail 202, the jacking mechanism is started and fixes the tray 204, so that the positions of the tray 204 and the battery cell 203 cannot be changed in the working process.

The jacking mechanism comprises a fixed block 208 and a pneumatic element 201 connected to the fixed block 208, wherein the pneumatic element 201 is connected to the conveying rail 202 and positioned in the device, and after the tray 204 reaches a designated position, the pneumatic element 201 drives the fixed block 208 to rotate, so that the fixed block 208 is abutted with the tray 204, and the fixing of the tray 204 is completed.

When the test is completed, the pneumatic element 201 drives the fixed block 208 to rotate reversely, and at this time, the fixed block 208 is separated from the tray 204, so that the tray 204 continues to move on the transportation rail 202.

In addition, the testing mechanism comprises a probe 207 and a transverse plate 206 connected to the probe 207, wherein one end of the transverse plate 206 far away from the probe 207 is connected to the vertical module 205, and the transverse plate 206 can be driven to vertically move up and down through the vertical module 205, so that the probe 207 is abutted or separated from the surface of the battery cell 203, and the test is completed.

After the test is finished, the device will upload the relevant data information of the battery cell 203 to the system of the whole production line, so as to be used as the production basis of the subsequent stations.

Furthermore, defective cells 203 are easily removed.

As shown in fig. 1, 6 and 7, a NG discharge device 300, the NG discharge device 300 being located downstream of the OCV test device 200 and in signal connection with the OCV test device 200; the NG discharging device 300 includes an X-direction servo module 301, a Y-direction servo module 302, and a Z-axis clamping jaw 303, where the Z-axis clamping jaw 303 moves linearly through the X-direction servo module 301 and the Y-direction servo module 302 to carry the failed battery cell 203;

the NG discharging device 300 mainly functions to reject the unqualified battery cells 203 to continuously transport the qualified battery cells 203 to the next process, when the battery cells 203 are all qualified products, the NG discharging device 300 is transported as a track, and when the battery cells 203 have unqualified products, the unqualified battery cells 203 are grabbed and transported by the mutual cooperation of the X-direction servo module 301, the Y-direction servo module 302 and the Z-axis clamping claw 303.

As shown in fig. 1, 7 and 8, the automatic sorting and turning device 400 is located at the downstream of the NG discharging device 300, and comprises an a-line body 401, a B-line body 402 and an automatic sorting and turning robot 403, wherein the automatic sorting and turning device 400 is connected to the NG discharging device 300 through the a-line body 401 and a transportation line 103, and the automatic sorting and turning robot 403 can convey the battery cells 203 on the a-line body 401 to the B-line body 402 according to the positive and negative electrodes;

it should be noted that, the automatic sequencing and overturning device 400 includes an a-wire body 401, a B-wire body 402, an automatic sequencing and overturning robot 403, and a jacking mechanism, where the structure of the jacking mechanism is the same as that of the above-mentioned OCV testing device 200, and the effect of the jacking mechanism is to fix the tray 204, so as to ensure that the tray 204 and the battery core 203 located in the tray 204 will not change in position during the working process.

The line a 401 is connected to the NG discharging device 300 through the conveying line 103, the line B402 is parallel to the line a 401, and the automatic sequencing and overturning robot 403 can judge the polarity of the surface of the battery core 203, overturn the battery core 203 from being vertically placed to being horizontally placed, and arrange and place the battery core 203 on the tray 204 located on the line B402 according to the same polarity.

In addition, the tray 204 of the B-wire body 402 is not identical in structure to the tray 204 of the a-wire body 401, one is capable of placing the battery cells 203 vertically, and the other is capable of placing the battery cells 203 horizontally, and the specific structure is not described in detail herein.

After the battery cell 203 is turned over, the battery cell 203 is conveyed to the next process through the B line body 402 and the conveying line 103 so as to clean the surface of the battery cell 203.

Furthermore, the automatic sequencing and overturning robot 403 is an automatic arm, and is mainly used for grabbing and carrying, and the device is mature in the prior art, and is not described in detail herein.

As shown in fig. 2, 8, 9 and 10, a plasma cleaning apparatus 500, the plasma cleaning apparatus 500 is located downstream of the automatic sequencing and flipping apparatus 400 and is connected to the B-wire body 402 through a transport line 103; the plasma cleaning device 500 comprises a battery core overturning clamping jaw 503 and a plasma cleaning mechanism 501, wherein the battery core overturning clamping jaw 503 clamps and fixes the battery core 203 placed on the tray 204 and can overturn the filter core, and the plasma cleaning mechanism 501 moves through the linear module 502 to clean the surface of the battery core 203;

the battery core overturning clamping jaw 503 can clamp and fix the battery core 203, and simultaneously realize 180-degree rotation, and when the battery core 203 placed on the tray 204 reaches a specified position, the tray 204 is fixed through a jacking mechanism; at this time, the battery core 203 is clamped and fixed by the battery core overturning clamping jaw 503, the plasma cleaning mechanism 501 above the battery core 203 moves through the linear module 502 to perform plasma cleaning on the surface of the battery core 203, and after the cleaning is completed, the battery core overturning clamping jaw 503 rotates 180 degrees to overturn the battery core 203, and the plasma cleaning mechanism 501 above the battery core 203 moves through the linear module 502 again to perform plasma cleaning on the surface of the battery core 203. After the cleaning is completed, the battery cell 203 is placed on the tray 204 by the battery cell overturning clamping jaw 503, and the tray 204 carries the battery cell 203 to the next process.

In addition, the plasma cleaning mechanism 501 is a conventional device in the prior art, and is mainly used for removing organic matters from the surface of the battery cell 203, and thus will not be described in detail.

The device can be matched with a plasma cleaning mechanism 501 to clean the surface of the battery core 203 in multiple directions, so that the surface of the battery core 203 is ensured to be clean, and preparation is made for the following process.

The plasma cleaning device 500 is further provided with a jacking platform, the jacking platform is rotationally connected with a plurality of rotating shafts 509, one end of each rotating shaft 509 is connected to the battery cell overturning clamping jaw 503, the other end of each rotating shaft 509 is connected to the rack 507 through a gear 508, and when the rack 507 moves, the battery cell overturning clamping jaw 503 is driven to rotate through the gear 508 and the rotating shaft 509.

The rack 507 is connected to a cross bar, a positioning block 511 is arranged at the upper end of the cross bar, and a driving cylinder 510 capable of driving the cross bar to move is arranged on one side of the positioning block 511.

The jacking platform comprises a jacking cylinder 504 and a panel 505 connected to the jacking cylinder 504, wherein a riser 506 is fixedly connected to the upper end of the panel 505, a rotating shaft 509 is rotatably connected to the riser 506, and a driving cylinder 510 is connected to the upper end of the riser 506.

The battery cell 203 interferes with the tray 204 during the overturning process, so that the battery cell 203 needs to be moved vertically upwards by a distance, and then the battery cell 203 is overturned, so that the tray 204 is not interfered.

When the surface of the battery core 203 needs to be cleaned, the battery core overturning clamping jaw 503 clamps the battery core 203 on the tray 204, the jacking cylinder 504 drives the panel 505 to vertically move upwards, the panel 505 drives the vertical plate 506 to vertically move upwards, and then the battery core 203 clamping jaw connected to the vertical plate 506 through the rotating shaft 509 is driven to vertically move upwards, at this time, the battery core 203 is separated from the tray 204, and the plasma cleaning mechanism 501 moves through the linear module 502 and cleans the surface of the battery core 203. After the cleaning is finished, the driving cylinder 510 drives the positioning block 511 to transversely move, the rack 507 is driven to move through the positioning block 511, and the rack 507 is meshed with the gear 508, so that the battery core overturning clamping jaw 503 is driven to rotate, the battery core 203180-degree overturning is realized, the plasma cleaning mechanism 501 moves through the linear module 502, and the surface of the battery core 203 is cleaned. After cleaning, the lifting cylinder 504 drives the vertical plate 506 to vertically move downwards so that the battery cell 203 is placed in the tray 204 by the battery cell overturning clamping jaw 503.

As shown in fig. 2, 9, 10 and 11, the manual pasting mechanism 600 is located downstream of the plasma cleaning apparatus 500 and on the transportation line 103, and the spacer 602 is pasted on the electric core 203 manually;

wherein, manual paster mechanism 600 is first paster frock 601, and this first paster frock 601 is installed on the transportation line 103 and is located the top of tray 204, and first paster frock 601 is the shape structure that the cooperation tray 204 used, and after the assigned position of transportation line 103 was reached to tray 204, tray 204 was located under first paster frock 601, was convenient for personnel laminating spacer 602 on electric core 203 surface through first paster frock 601, has improved laminating efficiency and accuracy.

As shown in fig. 3 and 12, the patch mechanism 700 is provided with an upper end plate mechanism 701 and a lower end plate mechanism 702, wherein the upper end plate mechanism 701 and the lower end plate mechanism 702 can linearly move through a transverse module 705, and the upper end plate mechanism 701 and the lower end plate mechanism are arranged in a vertically staggered manner; the upper end plate mechanism 701 is provided with an end plate, and an insulating sheet 706 is attached to the end plate through a second attaching tool 703;

the upper end plate mechanism 701 and the lower end plate mechanism 702 have the same structure, the upper end plate mechanism 701 comprises a plurality of groups of second patch tools 703 and a positioning table 704 matched with the second patch tools 703, and the second patch tools 703 are connected with the positioning table 704 in a clamping manner.

The second die bonding tool 703 on the upper end plate mechanism 701 and the first die bonding tool 601 on the transport line 103 are not identical in structure, but are identical in function.

When a plurality of cells 203 need to be packed, a spacer 602 needs to be attached between each cell 203, and meanwhile, end plates need to be attached at two ends of the cell 203 group, but insulating sheets 706 need to be attached between the end plates and the cells 203, so that the lamination of the cells 203 and the spacer 602 and the lamination of the end plates and the insulating sheets 706 are completed through two different lamination tools.

Wherein, the structure of upper end plate mechanism 701 is the same with lower end plate mechanism 702, and upper end plate mechanism 701 and lower end plate mechanism 702 can be as 2 laminating stations, are convenient for improve the laminating efficiency of end plate and insulating piece 706.

The attaching process is mainly finished by manual work, and only the upper end plate mechanism 701 and the lower end plate mechanism 702 are switched back and forth, so that the personnel can continuously finish feeding.

As shown in fig. 3 and 13, the cell shaping device 800 includes a block pusher 801, and the same end face of the cell 203 is aligned by the pusher 801; the battery cells 203 are convenient to uniformly grab, and falling off or position deviation of the battery cells 203 can not occur in the grabbing process.

As shown in fig. 3, 14 and 15, the robot handling stacking station 900 includes a six-axis mechanical arm 901, a stacking table 903 and a module handling robot 902, where the stacking table 903 is provided with two sets of placement areas, and the stacking table 903 can rotate, so that the six-axis mechanical arm 901 carries the battery cell 203 module located in the battery cell shaping device 800 to one of the placement areas, and the module handling robot 902 grabs the battery cell 203 module located in the other placement area to the module bundling device 1000;

the stacking platform 903 comprises a rotating platform 904 and two storage components 905 symmetrically disposed on the rotating platform 904, the storage components 905 comprise a plurality of storage rails 906 and an abutting component 907 connected to each storage area, and the abutting components 907 can linearly move along the length direction of the storage rails 906 so as to position the battery cells 203 placed on the storage rails 906.

The six-axis mechanical arm 901 and the module handling robot 902 are relatively mature devices in the prior art, and are mainly used for handling objects, which are not described in detail herein.

The two storage components 905 are connected to the rotating platform in an inclined way, and the rotating platform 904 and the two storage components 905 are matched with each other to form a triangle-like structure; the storage assembly 905 includes a storage rail 906 for placing the battery cell 203 module, when the six-axis mechanical arm 901 carries the battery cell 203 module to the storage rail 906, the battery cell 203 module is automatically stacked due to the inclined arrangement of the storage rail 906, and the battery cell 203 module is positioned by the abutting assembly 907 arranged on the storage rail 906, so that the battery cell 203 module is prevented from falling off.

In addition, the abutting assembly 907 comprises an abutting block slidably connected to the storage rail 906 and a driving motor capable of driving the abutting block to move, wherein the driving motor is connected to the storage rail 906 and capable of driving the abutting block to linearly move along the length direction of the storage rail 906 so as to perform abutting positioning on the battery cell 203 module placed on the storage rail 906.

In operation, the abutment block is in an abutment state with the cell 203, and when the cell 203 needs to be placed or grasped on the storage rail 906, the abutment block is in a separated state with the cell 203.

As shown in fig. 3 and 15, the module bundling apparatus 1000 includes a side pressure cylinder and a pressing mechanism 1001, and the battery cell 203 module is fixed by the side pressure mechanism 1002 and the pressing mechanism 1001, so as to facilitate manual bundling of the battery cell 203 module;

the module bundling device 1000 further comprises a sliding table 1003, the module carrying robot 902 carries the battery core 203 module to the sliding table 1003, the sliding table 1003 moves linearly, the battery core 203 module on the sliding table 1003 is fixed through the side pressing mechanism 1002 and the pressing mechanism 1001, and after the battery core 203 module is fixed, the battery core 203 module is bundled manually.

As shown in fig. 4, 16 and 17, the insulation and voltage withstand test apparatus 1100 performs a pressure test on the bundled battery cell 203 module and codes the battery cell 203 module by the marking machine 1200 to bind data.

The above examples are only specific embodiments of the present invention for illustrating the technical solution of the present invention, but not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the foregoing examples, it will be understood by those skilled in the art that the present invention is not limited thereto: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention, and are intended to be included in the scope of the present invention.

Claims

1. The automatic assembly process of the new energy battery module is characterized by defining the direction of the battery cell entering the production line as the head end, and comprises the following steps:

step 4, cleaning the ordered battery cells in the step 3;

2. The automated new energy battery module assembly process of claim 1, wherein step 2 further comprises a NG discharging step, wherein the NG discharging step comprises sorting failed cells to a discharging mechanism according to the resistance and voltage data of the cells, and the discharging mechanism moves the cells to a safe position after sensing that the cells are in place.

3. The automated new energy battery module assembling process according to claim 1, wherein the cleaning of the surface of the battery cell in the step 4 is: the battery cell overturning clamping jaw is used for fixing the battery cell, one side of the battery cell is cleaned through the plasma cleaning mechanism, after one side is cleaned, the battery cell overturning clamping jaw overturns 180 degrees, the plasma cleaning mechanism is used for cleaning the other side of the battery cell, and the battery cell overturning clamping jaw is placed on the tray after the cleaning is completed.

4. The automated new energy battery module assembling process according to claim 1, wherein the stacking table in the step 6 can rotate 180 degrees, and two stations are arranged on opposite sides of the stacking table, so that the six-axis mechanical arm and the module carrying robot can carry or grab the battery cell module at the same time.

5. An automatic new energy battery module assembling device, which adopts the assembling process of claims 1-4, and is characterized by comprising:

6. The automatic new energy battery module assembling device according to claim 5, wherein the plasma cleaning device is further provided with a jacking platform, the jacking platform is rotatably connected with a plurality of rotating shafts, one ends of the rotating shafts are connected to the battery cell overturning clamping jaws, the other ends of the rotating shafts are connected to racks through gears, and when the racks move, the battery cell overturning clamping jaws are driven to rotate through the gears and the rotating shafts.

7. The automatic new energy battery module assembling device according to claim 6, wherein the rack is connected to a cross rod, a positioning block is arranged at the upper end of the cross rod, and a driving cylinder capable of driving the cross rod to move is arranged on one side of the positioning block.

8. The automatic new energy battery module assembling device according to claim 7, wherein the jacking platform comprises a jacking cylinder and a panel connected to the jacking cylinder, wherein a vertical plate is fixedly connected to the upper end of the panel, the rotating shaft is rotatably connected to the vertical plate, and the driving cylinder is connected to the upper end of the vertical plate.

9. The automated new energy battery module assembling device according to claim 5, wherein the stacking table comprises a rotating platform and two storage assemblies symmetrically arranged on the rotating platform, the storage assemblies comprise a plurality of groups of storage rails and an abutting assembly connected to each storage area, and the abutting assemblies can linearly move along the length direction of the storage rails so as to position the battery cells on which the storage rails are arranged.

10. The automatic new energy battery module assembling device according to claim 5, wherein the upper end plate mechanism and the lower end plate mechanism have the same structure, the upper end plate mechanism comprises a plurality of groups of patch tools and a positioning table matched with the patch tools, and the patch tools are connected with the positioning table in a clamping manner.