A square battery module assembly device and method

Abstract

The present invention relates to the technical field of battery module assembly, and discloses a square battery module assembly device and method, comprising a frame and a speed chain, and also sequentially comprising battery cell box feeding equipment, cleaning and gluing equipment, battery module welding equipment and packaging equipment. The speed chain is provided with a clamping and adjusting mechanism for clamping and assembling the battery cell boxes. The clamping and adjusting mechanism cooperates with an adjustment component to achieve simultaneous adjustment of the battery cell box spacing and flipping, which is convenient for cleaning and gluing the surface of the battery cell boxes and improves processing convenience. Equipment for cleaning and gluing are integrated into one production line to reduce the transportation cost of connecting different manufacturing units. The clamping and adjusting mechanism is retracted to achieve stacking of battery cell boxes, so that multiple groups of battery cell boxes are adhered into a battery module, and the manufacturing unit for stacking battery cell boxes is removed, reducing processing costs. Cleaning, gluing and stacking of battery cell boxes are completed on one production line, improving processing efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of battery module assembly, and in particular to a square battery module assembly device and method. Background Art

[0002] After the battery cells are stacked into large modules, they need to be assembled into a box to make the required single-row or double-row battery modules.

[0003] After the battery box is scanned and OCV tested, it needs to be manually transported or flipped by multiple robots to move the battery box to different manufacturing units for cleaning, gluing and stacking into groups. Since multiple manufacturing units cannot work on one production line, multiple manufacturing units are placed separately, resulting in production congestion. The connection between different manufacturing units is mostly done by manual or robotic transport. The back-and-forth transport makes the processing process cumbersome and reduces production efficiency. In the process of cleaning both sides of the battery box, it is necessary to add a flipping piece to the manufacturing unit to turn the battery box over. After cleaning and gluing are completed, it needs to be manually transported or loaded by robots to the processing table for battery stacking, which increases production costs.

[0004] Therefore, a square battery module assembly device and method are invented. Summary of the invention

[0005] The object of the present invention is to provide a square battery module assembly device and method to solve the above-mentioned problems.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a square battery module assembly device, comprising a frame and a speed chain, and also sequentially comprising a battery box feeding device, a cleaning and dispensing device, a battery module welding device and a packaging device, the speed chain is provided with a clamping adjustment mechanism for clamping and assembling the battery box, the clamping adjustment mechanism comprises a plurality of connecting rod structures and a head rod component and a tail rod component respectively arranged at the front and rear ends of the connecting rod structure, the clamping adjustment mechanism also comprises a bracket, and the bracket is provided with a driving member for driving the plurality of connecting rod structures to extend and retract along the horizontal direction of the bracket;

[0007] A clamping assembly is installed at the central intersection of each group of connecting rod structures through a driving shaft, and when the multiple groups of connecting rod structures extend, the multiple clamping assemblies are driven to move horizontally along the bracket and increase the spacing between the multiple clamping assemblies at equal intervals, and when the multiple groups of connecting rod structures retract, the multiple clamping assemblies are driven to move horizontally along the bracket and reduce the spacing between the multiple clamping assemblies at equal intervals;

[0008] An adjustment component is installed on the bracket, and the adjustment component drives the clamping component to rotate around the driving shaft to realize the flipping of the battery cell box. The clamping adjustment mechanism cooperates with the adjustment component to realize the adjustment of the battery cell box spacing and flipping at the same time, which is convenient for cleaning and gluing the surface of the battery cell box. The battery cell box is stacked by retracting the clamping adjustment mechanism. The cleaning, gluing and stacking of the battery cell boxes are completed on one production line, so that multiple groups of battery cell boxes are bonded into battery modules, which improves processing convenience and reduces processing costs.

[0009] Preferably, the connecting rod structure includes a first connecting rod and a second connecting rod, the centers of the first connecting rod and the second connecting rod are penetrated by a driving shaft, the first connecting rod of the front group is pin-connected to the second connecting rod of the rear group, the second connecting rod of the front group is pin-connected to the first connecting rod of the rear group, and a displacement groove for limiting the movement of the driving shaft is opened on the bracket, and the displacement groove is used for limiting the movement of multiple driving shafts.

[0010] Preferably, the head rod component includes a main rod and a secondary rod, one end of the secondary rod is connected to the first connecting rod pin of the front group, the other end of the secondary rod is connected to the middle axis of the main rod on the fixed rod, one end of the main rod is connected to the second connecting rod pin of the front end, and the tail rod component includes rod one and rod two, one end of rod one and rod two are connected to a rotating shaft, one end of the rotating shaft passes through a displacement slot, and the other ends of rod one and rod two are respectively connected to the first connecting rod and the second connecting rod pin of the last group.

[0011] Preferably, the driving member includes a driving motor fixed on the bracket and a rotating plate connected to the output end of the driving motor. A driving groove is opened on the main rod, and a rotating rod penetrating the driving groove is installed at one end of the rotating plate. When the driving motor rotates, it drives the rotating plate to rotate. Since the rotating rod is limited by the driving groove, one end of the main rod is pulled to make the main rod rotate around the fixed rod, thereby driving multiple groups of connecting rod structures and the tail rod components to extend and retract.

[0012] Preferably, the clamping assembly includes a mounting support plate, a left clamping plate, a right clamping plate and a clamping drive mechanism. The center of the bottom end surface of the mounting support plate is fixed to the upper end of the driving shaft. The clamping drive mechanism is installed on the mounting support plate. The left clamping plate and the right clamping plate are respectively connected to both ends of the clamping drive mechanism. Tooth grooves are provided on the clamping end surfaces of the left clamping plate and the right clamping plate. The wavy tooth grooves on the clamping end surfaces increase the friction force of the clamping surface, so that the clamping surface and the surface of the battery box are clamped more tightly, thereby improving the stability of the object after clamping and preventing the object from being displaced.

[0013] Preferably, the clamping drive mechanism includes a first sector gear and a second sector gear that are meshed with each other, a first clamping arm sleeved on the first sector gear mounting rod, a second clamping arm sleeved on the second sector gear mounting rod, and a first limit support arm and a second limit support arm symmetrically hinged on the mounting support plate, one end of the left clamping plate is connected to the left mounting plate, and both ends of the left mounting plate are hinged to the first clamping arm and the first limit support arm respectively, one end of the right clamping plate is connected to the right mounting plate, and both ends of the right mounting plate are hinged to the second clamping arm and the second limit support arm respectively, the first limit support arm and the second limit support arm are used to ensure that the clamping surfaces of the left clamping plate and the right clamping plate are always kept horizontally clamped with the surface of the battery box during clamping, thereby solving the problem that the clamping surface of the traditional scissors-type clamp cannot fit the surface of a square object, and improving the clamping stability of the clamp.

[0014] Preferably, the first sector gear and the second sector gear are both axially connected to the mounting support plate through a mounting rod, a motor is arranged in the middle of the mounting support plate, a gear is sleeved on the output end of the motor, and the mounting rod of the second sector gear is connected to the gear at the output end of the motor.

[0015] Preferably, the adjustment assembly includes two flip rods, both of which are sleeved with flip sub-plates, and strip supports with two ends respectively axially connected to the two flip sub-plates, and a limiting sliding groove is provided on the strip support.

[0016] Preferably, one end of one of the flip rods is axially connected to the fixed rod, and one end of the other flip rod is installed on the bracket through an axle rod. The driving axle rod penetrates the driving groove and is connected to the linkage plate. One end of the linkage plate is connected to a linkage rod inserted in the limiting slide groove. In the original state, when the flip rod rotates, it drives the bar support to move, and drives the driving axle rod to rotate through the limiting slide groove, thereby flipping the battery cell box clamped on the clamping assembly.

[0017] The present invention provides the following technical solution: a method for using a square battery module assembly device, comprising the following steps:

[0018] S1: The battery box loading equipment loads the battery box to be processed onto the clamping assembly, and the speed chain drives the clamping adjustment mechanism and the clamping assembly to move on the frame;

[0019] S2: When the clamping adjustment mechanism moves to the cleaning and dispensing equipment, the flip rod rotates, driving the bar support to move, and the linkage rod is limited by the limiting slide, which then drives the linkage rod, the driving shaft rod and the clamping assembly to rotate, thereby driving the battery box to rotate 90°, and the cleaning and dispensing equipment performs plasma cleaning on the surface of the battery box;

[0020] S3: The cleaned battery box is driven by the speed chain to move to the glue dispensing location, and glue is applied on the surface of the battery box by the equipment. After the battery box is cleaned and glued, the flip rod rotates in the opposite direction to drive the battery box to reset;

[0021] S4: The driving member drives the head rod component, the multiple groups of connecting rod structures and the tail rod component to retract, and the spacing between the multiple clamping components is equidistantly reduced, so that the cleaning surfaces of the multiple battery cell boxes are pressed together, and the multiple battery cell boxes are stacked to form a battery module;

[0022] S5: The battery module welding equipment is used to perform subsequent structural welding on the battery module, and the packaging equipment is used for assembly and packaging.

[0023] Technical effects and advantages of the present invention:

[0024] 1. The present invention cooperates with the clamping adjustment mechanism and the adjustment component to adjust the spacing between the battery cell boxes and flip them at the same time, which is convenient for cleaning and gluing the surface of the battery cell boxes, improves the processing convenience, integrates the equipment used for cleaning and gluing on one production line, reduces the transportation cost of connecting different manufacturing units, and retracts the clamping adjustment mechanism to achieve stacking of battery cell boxes, so that multiple groups of battery cell boxes are adhered into a battery module, eliminating the manufacturing unit for stacking battery cell boxes, reducing processing costs, and completing cleaning, gluing and stacking of battery cell boxes on one production line, thereby improving processing efficiency.

[0025] 2. The first limiting arm and the second limiting arm of the present invention are used to ensure that the clamping surfaces of the left clamping plate and the right clamping plate always maintain horizontal clamping with the surface of the battery box during clamping, thereby solving the problem that the clamping surface of the traditional scissors-type clamp cannot fit the surface of a square object, and improving the clamping stability of the clamp. The wavy tooth grooves on the clamping end surface increase the friction of the clamping surface, making the clamping surface and the surface of the battery box clamped more tightly, thereby improving the stability of the object after clamping and preventing the object from shifting. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0027] Figure 2 It is a schematic diagram of the overall structure of the clamping adjustment mechanism of the present invention;

[0028] Figure 3 It is a partial structural exploded view of the clamping adjustment mechanism of the present invention;

[0029] Figure 4 It is a schematic diagram of the retracting structure of the head rod component, the connecting rod structure and the tail rod component of the present invention;

[0030] Figure 5 For the present invention Figure 4 A magnified image of point A;

[0031] Figure 6 An exploded view of the clamping assembly structure of the present invention;

[0032] Figure 7It is a schematic diagram of the structure of the adjustment component of the present invention;

[0033] Figure 8 This is a schematic diagram of the structure of the adjustment assembly of the present invention after being flipped;

[0034] Fig. 9 It is a schematic diagram of the structure of the clamping assembly and the adjusting assembly of the present invention after being flipped.

[0035] In the figure: 1. Rack; 10. Battery box loading equipment; 11. Cleaning and dispensing equipment; 12. Battery module welding equipment; 13. Packaging equipment;

[0036] 2. Clamping adjustment mechanism; 21. Connecting rod structure; 211. First connecting rod; 212. Second connecting rod; 22. Head rod component; 221. Main rod; 222. Secondary rod; 23. Tail rod component; 231. Rod 1; 232. Rod 2; 24. Bracket; 241. Displacement slot;

[0037] 3. driving member; 31. driving motor; 32. rotating plate; 321. rotating rod;

[0038] 4. Clamping assembly; 41. Mounting support plate; 42. Left clamping plate; 421. Left mounting plate; 43. Right clamping plate; 431. Right mounting plate; 44. Clamping drive mechanism; 441. First sector gear; 442. Second sector gear; 443. First clamping arm; 444. Second clamping arm; 445. First position-limiting support arm; 446. Second position-limiting support arm;

[0039] 5. Adjustment assembly; 51. Flip rod; 511. Flip sub-plate; 52. Strip support; 521. Limiting slide; 53. Linkage plate; 531. Linkage rod. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] Example 1, reference Figures 1 to 9, which is the first embodiment of the present invention, provides a square battery module assembly device, including a frame 1 and a speed chain, and also includes a battery box feeding device 10, a cleaning and dispensing device 11, a battery module welding device 12 and a packaging device 13 in sequence. The speed chain is provided with a clamping adjustment mechanism 2 for clamping and assembling the battery box, and the clamping adjustment mechanism 2 includes multiple groups of connecting rod structures 21 and a head rod component 22 and a tail rod component 23 respectively arranged at the front and rear ends of the connecting rod structure 21. The clamping adjustment mechanism 2 also includes a bracket 24, and the bracket 24 is provided with a driving member 3 for driving the multiple groups of connecting rod structures 21 to extend and retract along the horizontal direction of the bracket 24. The connecting rod structure 21 includes a first connecting rod 211 and a second connecting rod 212. The centers of the first connecting rod 211 and the second connecting rod 212 are driven The moving shaft runs through, the first connecting rod 211 of the front group is pin-connected with the second connecting rod 212 of the rear group, the second connecting rod 212 of the front group is pin-connected with the first connecting rod 211 of the rear group, and the central intersection of each group of the connecting rod structures 21 is installed with a clamping assembly 4 through a driving shaft, and when multiple groups of connecting rod structures 21 are extended, the multiple clamping assemblies 4 are driven to move horizontally along the bracket 24 and increase the spacing between the multiple clamping assemblies 4 equidistantly, and when multiple groups of connecting rod structures 21 are retracted, the multiple clamping assemblies 4 are driven to move horizontally along the bracket 24 and reduce the spacing between the multiple clamping assemblies 4 equidistantly, and the center of each group of connecting rod structures 21 is connected to a ring for covering the surface of the driving shaft, and when the connecting rod structure 21 is extended, the driving shaft limits the center of the connecting rod structure 21.

[0042] An adjustment component 5 is installed on the bracket 24. The adjustment component 5 drives the clamping component 4 to rotate around the driving shaft to realize the flipping of the battery cell box. The clamping adjustment mechanism 2 cooperates with the adjustment component 5 to adjust the battery cell box spacing and flip it at the same time, which is convenient for cleaning and gluing the surface of the battery cell box, improves the processing convenience, integrates the equipment used for cleaning and gluing on one production line, reduces the transportation cost of connecting different manufacturing units, and retracts the clamping adjustment mechanism 2 to realize the stacking of battery cell boxes, so that multiple groups of battery cell boxes are adhered into a battery module, removes the manufacturing unit for stacking battery cell boxes, reduces processing costs, completes the cleaning, gluing and stacking of battery cell boxes on one production line, and improves processing efficiency.

[0043] The bracket 24 is provided with a displacement groove 241 for limiting the movement of the driving shaft. The displacement groove 241 is used for limiting the movement of multiple driving shafts. The displacement groove 241 plays a guiding role when the driving shaft moves, thereby improving the movement stability.

[0044] The front rod component 22 includes a main rod 221 and a secondary rod 222, one end of the secondary rod 222 is pin-connected to the first connecting rod 211 of the front group, the other end of the secondary rod 222 is axially connected to the middle of the main rod 221 on the fixed rod, one end of the main rod 221 is pin-connected to the second connecting rod 212 at the front end, and the tail rod component 23 includes a rod 1 231 and a rod 232, one end of the rod 1 231 and the rod 2 232 are connected to a rotating shaft, one end of the rotating shaft passes through the displacement slot 241, and the other ends of the rod 1 231 and the rod 2 232 are pin-connected to the first connecting rod 211 and the second connecting rod 212 of the last group respectively.

[0045] The driving member 3 includes a driving motor 31 fixed on the bracket 24 and a rotating plate 32 connected to the output end of the driving motor 31. A driving groove is opened on the main rod 221, and a rotating rod 321 penetrating the driving groove is installed at one end of the rotating plate 32. When the driving motor 31 rotates, it drives the rotating plate 32 to rotate. Since the rotating rod 321 is limited by the driving groove, one end of the main rod 221 is pulled, so that the main rod 221 rotates around the fixed rod, thereby driving the multiple groups of connecting rod structures 21 and the tail rod component 23 to extend and retract.

[0046] The clamping assembly 4 includes a mounting support plate 41, a left clamping plate 42, a right clamping plate 43 and a clamping drive mechanism 44. The center of the bottom end surface of the mounting support plate 41 is fixed to the upper end of the driving shaft. The clamping drive mechanism 44 is installed on the mounting support plate 41. The left clamping plate 42 and the right clamping plate 43 are respectively connected to the two ends of the clamping drive mechanism 44. Tooth grooves are provided on the clamping end surfaces of the left clamping plate 42 and the right clamping plate 43. The wavy tooth grooves on the clamping end surfaces increase the friction of the clamping surface, so that the clamping surface and the surface of the battery box are clamped more tightly, thereby improving the stability of the object after clamping and preventing the object from being displaced.

[0047] The clamping drive mechanism 44 includes a first sector gear 441 and a second sector gear 442 meshing with each other, a first clamping arm 443 sleeved on the mounting rod of the first sector gear 441, a second clamping arm 444 sleeved on the mounting rod of the second sector gear 442, and a first limit support arm 445 and a second limit support arm 446 symmetrically hinged on the mounting support plate 41. One end of the left clamping plate 42 is connected to the left mounting plate 421, and both ends of the left mounting plate 421 are respectively connected to the first clamping arm 443 and the second limit support arm 444. 3 is hinged with the first limiting arm 445, one end of the right clamping plate 43 is connected with the right mounting plate 431, and the two ends of the right mounting plate 431 are respectively hinged with the second clamping arm 444 and the second limiting arm 446, and the first limiting arm 445 and the second limiting arm 446 are used to ensure that the clamping surface of the left clamping plate 42 and the right clamping plate 43 always maintains a horizontal clamping with the surface of the battery box during clamping, so as to solve the problem that the clamping surface of the traditional scissors-type clamp cannot fit the surface of a square object, and improve the clamping stability of the clamp.

[0048] The first sector gear 441 and the second sector gear 442 are both axially connected to the mounting support plate 41 through a mounting rod. A motor is arranged in the middle of the mounting support plate 41. A gear is sleeved on the output end of the motor. The mounting rod of the second sector gear 442 is connected to the gear at the output end of the motor.

[0049] The adjustment assembly 5 includes two flip rods 51, on which a flip sub-plate 511 is sleeved, and a strip support 52 whose two ends are axially connected to the two flip sub-plates 511 respectively, and a limited sliding groove 521 is provided on the strip support 52, one end of one of the flip rods 51 is axially connected to the fixed rod, and one end of the other flip rod 51 is installed on the bracket 24 through an axle rod, and a positioning rod is extended from the bottom end of the flip sub-plate 511, and a circular groove for positioning the positioning rod is provided on the bracket 24, and a driving shaft rod penetrates the driving groove and is connected to the linkage plate 53, and one end of the linkage plate 53 is connected to a linkage rod 531 inserted in the limited sliding groove 521. In the original state, when the flip rod 51 rotates, the flip sub-plate 511 drives the strip support 52 to move, and the limited sliding groove 521 is used to adjust the rotation of the flip rod 51. The positioning slide groove 521 drives the driving shaft to rotate, and then flips the battery cell box clamped on the clamping assembly 4. In the original state, the strip support 52 is located on the left side of the displacement groove 241. When the flip rod 51 flips 90°, it drives the flip sub-plate 511 to rotate 90°, thereby driving the strip support 52 to move to the right side of the displacement groove 241. When the strip support 52 moves, the limiting slide groove 521 limits the linkage rod 531, and then drives the linkage rod 531 and the linkage plate 53 to rotate 90° with the driving shaft as the axis. Since the linkage plate 53 is fixedly connected to the driving shaft, the driving shaft and the clamping assembly 4 are driven to rotate 90°, thereby realizing a 90° flipping of the battery cell box. When the flip rod 51 flips 180°, it drives the battery cell box to rotate 180°.

[0050] Example 2, reference Figures 1 to 9 , as a second embodiment of the present invention, provides: a method for using a square battery module assembly device, comprising the following steps:

[0051] S1: The battery box loading device 10 loads the battery box to be processed onto the clamping assembly 4, and the speed chain drives the clamping adjustment mechanism 2 and the clamping assembly 4 to move on the frame 1;

[0052] S2: When the clamping adjustment mechanism 2 moves to the cleaning and dispensing equipment 11, the driving motor 31 rotates counterclockwise to drive the rotating plate 32 to rotate counterclockwise. Since the rotating rod 321 is limited by the driving groove, one end of the main rod 221 is pulled to make the main rod 221 rotate counterclockwise around the fixed rod, thereby driving the multiple groups of connecting rod structures 21 and the tail rod component 23 to extend along the displacement groove 241, thereby adjusting the spacing between the multiple battery cell boxes. When the rotating shaft of the tail rod component 23 moves to the tail end of the displacement groove 241, the driving member 3 stops driving. At this time, the battery cell box is in the first state. The length of the battery cell box in the first state is parallel to the width of the bracket 24;

[0053] S3: At this time, the motor drives one of the flip rods 51 to rotate 90°, and the flip sub-plate 511 rotates 90° around the flip rod 51. When the flip sub-plate 511 rotates, it drives the strip support 52 to move, and limits the linkage rod 531 through the limiting slide groove 521, thereby driving the linkage rod 531, the driving shaft rod and the clamping assembly 4 to rotate, thereby driving the battery box to rotate 90° to the second state. When the battery box is in the second state, the length of the battery box is parallel to the length of the bracket 24, and the cleaning and dispensing equipment 11 performs plasma cleaning on one side of the battery box. The motor drives the flip rod 51 to rotate 180° in the same direction again. At this time, the length of the battery box is still parallel to the length of the bracket 24, but the battery box rotates 180° to the other side, and the cleaning and dispensing equipment 11 performs plasma cleaning on the other side of the battery box.

[0054] S4: The cleaned battery box is driven by the speed chain to move to the glue dispensing position, and glue is applied on the surface of the battery box by the equipment. After the battery box is cleaned and glued, the flip rod 51 rotates 90° in the opposite direction, driving the battery box to reset to the first state;

[0055] S5: When the driving motor 31 rotates clockwise, it drives the rotating plate 32 to rotate clockwise. Since the rotating rod 321 is limited by the driving groove, one end of the main rod 221 is pulled, so that the main rod 221 rotates clockwise around the fixed rod, thereby driving the multiple groups of connecting rod structures 21 and the tail rod component 23 to retract along the displacement groove 241, and the spacing between the multiple clamping components 4 is equidistantly reduced. When the surfaces of the multiple battery cell boxes are pressed together, the driving member 3 stops driving, and the multiple battery cell boxes are stacked to form a battery module;

[0056] S6: The battery module welding equipment 12 is used to perform subsequent structural welding on the battery module, and the packaging equipment 13 is used to assemble and package the battery module.

[0057] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A square battery module assembly device, comprising a frame (1) and a speed chain, and also sequentially comprising a battery box loading device (10), a cleaning and dispensing device (11), a battery module welding device (12) and a packaging device (13), characterized in that: The speed chain is provided with a clamping adjustment mechanism (2) for clamping and assembling the battery box, the clamping adjustment mechanism (2) comprising a plurality of connecting rod structures (21) and a head rod component (22) and a tail rod component (23) respectively arranged at the front and rear ends of the connecting rod structure (21), the clamping adjustment mechanism (2) further comprising a bracket (24), the bracket (24) being provided with a driving member (3) for driving the plurality of connecting rod structures (21) to extend and retract in a horizontal direction of the bracket (24); The connecting rod structure (21) comprises a first connecting rod (211) and a second connecting rod (212); the centers of the first connecting rod (211) and the second connecting rod (212) are penetrated by a driving shaft; the first connecting rod (211) of the front group is connected to the second connecting rod (212) of the rear group by a pin; the second connecting rod (212) of the front group is connected to the first connecting rod (211) of the rear group by a pin; and the bracket (24) is provided with a displacement groove (241) for limiting the movement of the driving shaft; The head rod component (22) comprises a main rod (221) and a secondary rod (222), one end of the secondary rod (222) is pin-connected to the first connecting rod (211) of the frontmost group, the other end of the secondary rod (222) is axially connected to the fixed rod with the middle part of the main rod (221), one end of the main rod (221) is pin-connected to the second connecting rod (212) at the frontmost end, the tail rod component (23) comprises a rod 1 (231) and a rod 2 (232), one end of the rod 1 (231) and the rod 2 (232) are connected to a rotating shaft, one end of the rotating shaft passes through a displacement slot (241), and the other ends of the rod 1 (231) and the rod 2 (232) are pin-connected to the first connecting rod (211) and the second connecting rod (212) of the last group respectively; The driving member (3) comprises a driving motor (31) fixed on a bracket (24) and a rotating plate (32) connected to an output end of the driving motor (31); a driving slot is formed on the main rod (221); and a rotating rod (321) penetrating the driving slot is mounted on one end of the rotating plate (32); A clamping assembly (4) is installed at the central intersection of each group of the connecting rod structures (21) via a driving shaft, and when the multiple groups of connecting rod structures (21) extend, the multiple clamping assemblies (4) are driven to move horizontally along the bracket (24) and the spacing between the multiple clamping assemblies (4) is increased equidistantly, and when the multiple groups of connecting rod structures (21) retract, the multiple clamping assemblies (4) are driven to move horizontally along the bracket (24) and the spacing between the multiple clamping assemblies (4) is decreased equidistantly; An adjustment component (5) is mounted on the bracket (24), and the adjustment component (5) drives the clamping component (4) to rotate around the driving shaft to achieve flipping of the battery box; The adjustment assembly (5) comprises two flip rods (51), each of which is sleeved with a flip sub-plate (511), and a strip support (52) with two ends axially connected to the two flip sub-plates (511), and a limited sliding groove (521) is provided on the strip support (52), one end of one of the flip rods (51) is axially connected to the fixed rod, and one end of the other flip rod (51) is mounted on the bracket (24) through an axle, a driving axle penetrates the driving groove and is connected to the linkage plate (53), and one end of the linkage plate (53) is connected to a linkage rod (531) inserted in the limited sliding groove (521).

2. The square battery module assembly device according to claim 1, characterized in that: The clamping assembly (4) comprises a mounting support plate (41), a left clamping plate (42), a right clamping plate (43) and a clamping drive mechanism (44). The center of the bottom end surface of the mounting support plate (41) is fixed to the upper end of the driving shaft. The mounting support plate (41) is provided with a clamping drive mechanism (44). The two ends of the clamping drive mechanism (44) are respectively connected to the left clamping plate (42) and the right clamping plate (43). Tooth grooves are provided on the clamping end surfaces of the left clamping plate (42) and the right clamping plate (43).

3. The square battery module assembly device according to claim 2, characterized in that: The clamping drive mechanism (44) comprises a first sector gear (441) and a second sector gear (442) meshing with each other, a first clamping arm (443) sleeved on a mounting rod of the first sector gear (441), a second clamping arm (444) sleeved on a mounting rod of the second sector gear (442), and a first limit support arm (445) and a second limit support arm (446) symmetrically hinged on the mounting support plate (41); one end of the left clamping plate (42) is connected to a left mounting plate (421), and two ends of the left mounting plate (421) are respectively hinged to the first clamping arm (443) and the first limit support arm (445); one end of the right clamping plate (43) is connected to a right mounting plate (431), and two ends of the right mounting plate (431) are respectively hinged to the second clamping arm (444) and the second limit support arm (446).

4. The square battery module assembly device according to claim 3, characterized in that: The first sector gear (441) and the second sector gear (442) are both axially connected to the mounting support plate (41) via a mounting rod; a motor is arranged in the middle of the mounting support plate (41); a gear is sleeved at the output end of the motor; and the mounting rod of the second sector gear (442) is connected to the gear at the output end of the motor.

5. A method for using a square battery module assembly device, which is applied to the square battery module assembly device described in claim 4, characterized in that: The following steps are involved: S1: The battery box loading device (10) loads the battery box to be processed onto the clamping assembly (4), and the speed chain drives the clamping adjustment mechanism (2) and the clamping assembly (4) to move on the frame (1); S2: When the clamping adjustment mechanism (2) moves to the cleaning and dispensing device (11), the flip rod (51) rotates, driving the strip support (52) to move, limiting the linkage rod (531) through the limiting slide groove (521), and then driving the linkage rod (531), the driving shaft and the clamping assembly (4) to rotate, thereby driving the battery box to rotate 90°, and the cleaning and dispensing device (11) performs plasma cleaning on the surface of the battery box; S3: The cleaned battery box is driven by the speed chain to move to the glue dispensing position, and glue is applied to the surface of the battery box by the equipment. After the battery box is cleaned and glued, the flip rod (51) rotates in the opposite direction to drive the battery box to reset; S4: the driving member (3) drives the head rod component (22), the multiple groups of connecting rod structures (21) and the tail rod component (23) to retract, and the spacing between the multiple clamping components (4) is equidistantly reduced, so that the cleaning surfaces of the multiple battery cell boxes are pressed together, and the multiple battery cell boxes are stacked to form a battery module; S5: The battery module welding equipment (12) is used to perform subsequent structural welding on the battery module, and the packaging equipment (13) is used to assemble and package the battery module.

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