Battery module stacking and shaping device

Abstract

The utility model provides a battery module stacking and shaping device. The battery module stacking and shaping device comprises a rack; the tray is arranged on the rack; the side pressing mechanism is located on the side edge of the rack; the end pressing mechanism is arranged on the tray and comprises a fixed part, a movable part and a supporting part which are arranged on the tray, the supporting part is located between the fixed part and the movable part, and the movable part can be close to or away from the fixed part; wherein the movable part comprises a movable plate, a movable pressure head and a claw body, the movable pressure head and the claw body are arranged on the movable plate, and the claw body can move in the length direction of the battery module and the width direction of the battery module relative to the movable pressure head. According to the utility model, the battery cells are stacked through the claw body, the working efficiency and precision can be greatly improved compared with a manual mode, and meanwhile, the claw body and the end pressing mechanism are specifically integrated in the movable part of the end pressing mechanism, so that the cooperative control of the claw body and other mechanisms of the end pressing mechanism is facilitated; and compared with a traditional external mechanical mechanism, the occupied space is small, and construction of a production line is more facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery technology field especially relates to a battery module stacking shaping device. BACKGROUND

[0002] In order to guarantee the flatness of each side of battery module, the conventional shaping device includes end pressure mechanism and side pressure mechanism, in the process of forming battery module by stacking electric core, the electric core is placed in the end pressure mechanism area by manpower or external mechanical mechanism, then subsequent processing is carried out through end pressure mechanism and side pressure mechanism, and the artificial efficiency and precision are low, and the external mechanical mechanism needs independent control and larger working space, which is not conducive to the production line construction. UTILITY MODEL CONTENTS

[0003] In view of the deficiencies in the prior art, the utility model aims at providing a battery module stacking shaping device, which is high in precision and efficiency and avoids the problem of occupying a large amount of working space by conventional external mechanical mechanism.

[0004] The embodiment of the utility model realizes the following technical scheme:

[0005] A battery module stacking shaping device, comprising: a rack; a tray arranged on the rack; a side pressure mechanism arranged on the side of the rack; and an end pressure mechanism arranged on the tray, comprising a fixed part, a movable part and a supporting part arranged on the tray, the supporting part being arranged between the fixed part and the movable part, and the movable part being capable of moving close to or away from the fixed part; wherein the movable part comprises a movable plate, a movable pressure head and a claw body, the movable pressure head and the claw body being arranged on the movable plate, and the claw body being capable of moving in the length direction of the battery module and the width direction of the battery module relative to the movable pressure head.

[0006] According to a preferred embodiment, the movable pressure head comprises a first pressure plate arranged on the movable plate, one side of the first pressure plate towards the fixed part being provided with a first end pressure surface, and the circumferential side of the first end pressure surface being provided with a first limiting component for limiting the first end plate of the battery module.

[0007] According to a preferred embodiment, the claw body is provided with a first limiting surface and a second limiting surface perpendicular to each other, the length direction of the battery module being perpendicular to the first limiting surface, and the width direction of the battery module being perpendicular to the second limiting surface.

[0008] According to a preferred embodiment, the movable plate is in sliding connection with the tray, a ball screw is rotatably arranged on the tray, and the movable plate is in transmission connection with the ball screw; the axial direction of the ball screw is parallel to the length direction of the battery module.

[0009] According to a preferred embodiment, the first end pressing surface is provided with a first limiting assembly on the peripheral side for limiting the first end plate of the battery module; the first limiting assembly comprises a transverse limiting piece and a longitudinal limiting piece, wherein the transverse limiting piece comprises a transverse pressing block slidingly arranged on the first pressing plate, which can abut or be separated from the first end plate; the longitudinal limiting piece comprises a longitudinal pressing plate slidingly arranged on the first pressing plate, and the longitudinal pressing plate is provided with a longitudinal pressing frame extending above the first end pressing surface, which can move along the longitudinal direction to abut or be separated from the first end plate.

[0010] According to a preferred embodiment, the movable plate is provided with a baffle, the first pressing plate is slidingly arranged on the movable plate, and the first pressing plate is between the fixed part and the baffle; the baffle is provided with a pressure sensor between the first pressing plate and the baffle; the first pressing plate is provided with a first limiting block, the movable plate is provided with a second limiting block, the first limiting block is provided with a limiting notch, and the second limiting block is embedded in the limiting notch.

[0011] According to a preferred embodiment, the fixed part comprises a main plate fixedly arranged on the tray and a secondary plate slidingly arranged on the tray, and the secondary plate is between the main plate and the support part; the side of the secondary plate facing the support part is provided with a second end pressing surface for assembling the second end plate of the battery module; the main plate or the tray is provided with a driving piece for driving the secondary plate to move towards or away from the support part along the length direction of the battery module; the main plate is provided with a self-locking piece for limiting the secondary plate in the length direction of the battery module.

[0012] According to a preferred embodiment, the self-locking piece comprises an adjusting plate and a locking plate connected to each other, wherein the adjusting plate is adjustably arranged on the main plate, and the locking plate extends from the main plate towards the secondary plate; when the secondary plate is in a locked state, the locking plate abuts against the secondary plate in the length direction of the battery module; when the secondary plate is in an unlocked state, the locking plate is separated from the secondary plate in the length direction of the battery module.

[0013] According to a preferred embodiment, the side pressing mechanism comprises a main frame and a secondary frame, the secondary frame is slidingly connected with the main frame, and the side of the secondary frame facing the support part is provided with a side pressing plate; the main frame is rotatably provided with a stabilizing gear, and the secondary frame is provided with a stabilizing rack engaged with the stabilizing gear.

[0014] According to a preferred embodiment, a longitudinal pressing assembly is arranged on the sub-frame, the longitudinal pressing assembly comprises a translation plate slidingly arranged on the sub-frame, the translation plate is capable of moving close to or away from the support part, an end part of the translation plate close to the support part is provided with a longitudinal movement plate, the longitudinal movement plate is capable of moving longitudinally, and a pressing wheel for pressing the battery cell is arranged on the longitudinal movement plate.

[0015] The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:

[0016] The utility model discloses a claw body is stacked with the electric core, compared with manual mode can greatly improve work efficiency and precision, simultaneously, the claw body and the end pressure mechanism are specifically integrated in the movable part of the end pressure mechanism, can greatly improve the space utilization, the claw body and the end pressure mechanism of other mechanism of the convenient claw body and the end pressure mechanism collaborative control, compared with traditional external mechanical mechanism can occupy the space less, more favorably for the production line construction. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced the drawing needed to be used in the embodiment, should understand, the following drawings only shows some embodiments of the utility model, therefore should not be regarded as the limitation to the scope, for ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other related drawings according to these drawings.

[0018] Figure 1 The three-dimensional structure schematic diagram of the battery module stacking and shaping device provided by the embodiment of the utility model is shown in the figure.

[0019] Figure 2 The three-dimensional structure schematic diagram of the end pressure mechanism assembled to the tray provided by the embodiment of the utility model is shown in the figure.

[0020] Figure 3 The first three-dimensional structure schematic diagram of the movable part provided by the embodiment of the utility model is shown in the figure.

[0021] Figure 4 The second three-dimensional structure schematic diagram of the movable part provided by the embodiment of the utility model is shown in the figure.

[0022] Figure 5 The three-dimensional structure schematic diagram of the fixed part provided by the embodiment of the utility model is shown in the figure.

[0023] Figure 6 The first three-dimensional structure schematic diagram of the sub-plate provided by the embodiment of the utility model is shown in the figure.

[0024] Figure 7 The second three-dimensional structure schematic diagram of the sub-plate provided by the embodiment of the utility model is shown in the figure.

[0025] Figure 8The first three-dimensional structure schematic diagram of the side pressing mechanism is provided for the embodiment of the utility model.

[0026] Figure 9 The second three-dimensional structure schematic diagram of the side pressing mechanism is provided for the embodiment of the utility model.

[0027] Figure 10 The three-dimensional structure schematic diagram of the battery module is provided for the embodiment of the utility model.

[0028] Icon: 1, rack; 21, side pressing mechanism; 211, main frame; 212, auxiliary frame; 2121, side pressing plate; 213, stabilizing gear; 214, stabilizing rack; 215, longitudinal pressing assembly; 2151, translation plate; 2152, longitudinal moving plate; 2153, pressing wheel; 22, end pressing mechanism; 221, fixed part; 2210, main plate; 2211, auxiliary plate; 2212, second end pressing surface; 2213, driving piece; 2214, self-locking piece; 22141, adjusting plate; 22142, locking plate; 222, movable part; 2220, first pressing plate; 22201, first end pressing surface; 22202, first limiting block; 2221, movable plate; 22210, second limiting block; 2222, transverse pressing block; 2223, longitudinal pressing plate; 22231, longitudinal pressing frame; 22232, longitudinal pressing head; 2224, claw body; 22241, first limiting surface; 22242, second limiting surface; 2225, sliding table air cylinder; 2226, supporting plate; 2227, baffle; 2228, pressure sensor; 223, supporting part; 3, tray; 31, ball screw; 4, battery module; 41, electric core; 42, first end plate; 43, second end plate; 44, hoop ring; X, length direction of the battery module; Y, width direction of the battery module; Z, longitudinal direction. DETAILED DESCRIPTION

[0029] In order to better understand and implement, the technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model.

[0030] In the description of the utility model, it needs to be explained that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application.

[0032] Please refer to Figures 1 to 10 A battery module stacking shaping device, comprising a rack 1, a tray 3, a side pressing mechanism 21 and an end pressing mechanism 22, the tray 3 is arranged on the rack 1; the side pressing mechanism 21 is arranged on the side of the rack 1; the end pressing mechanism 22 is arranged on the tray 3, comprising a fixed part 221, a movable part 222 and a supporting part 223 arranged on the tray 3, the supporting part 223 is between the fixed part 221 and the movable part 222, the movable part 222 can be close to or away from the fixed part 221; wherein the movable part 222 comprises a movable plate 2221, a movable pressing head and a claw body 2224, the movable pressing head and the claw body 2224 are arranged on the movable plate 2221, and the claw body 2224 can move relative to the movable pressing head in the length direction X of the battery module and the width direction Y of the battery module. In this embodiment, the battery cell 41 forming the battery module 4 is stacked on the supporting part 223, specifically, after the battery cell 41 is fed to the supporting part 223, the battery cell 41 is positioned on the supporting part 223 in the width direction Y of the battery module by the claw body 2224, then the battery cell 41 is stacked in turn in the length direction X of the battery module, and finally the battery module is further shaped by the side pressing mechanism 21. Here, the battery cell 41 is stacked by the claw body 2224, which can greatly improve the work efficiency and accuracy compared with the manual method, and the claw body 2224 is integrated in the movable part 222 of the end pressing mechanism 22, which can greatly improve the space utilization, facilitate the cooperative control of the claw body 2224 and other mechanisms of the end pressing mechanism 22, and occupy less space compared with the traditional external mechanical mechanism, which is more conducive to the construction of the production line.

[0033] The claw body 2224 is provided with a first limiting surface 22241 and a second limiting surface 22242 perpendicular to each other, the length direction X of the battery module is perpendicular to the first limiting surface 22241, and the width direction Y of the battery module is perpendicular to the second limiting surface 22242. In use, the first limiting surface 22241 is attached to the large surface of the battery cell 41, and the second limiting surface 22242 is attached to the side surface of the battery cell 41, and the two oppositely arranged claw bodies 2224 cooperate to position the battery cell 41 in the width direction Y of the battery module.

[0034] In this embodiment, as Figure 3As shown, the movable plate 2221 is provided with a sliding table air cylinder 2225 for driving the claw body 2224 to move along the length direction X of the battery module, and the sliding table air cylinder 2225 is provided with an air cylinder or an electric cylinder for driving the claw body 2224 to move along the width direction Y of the battery module, which is driven by the sliding table air cylinder 2225 to move along the length direction X of the battery module synchronously.

[0035] As shown, Figure 2 The movable plate 2221 is slidably connected to the tray 3 through a sliding rail sliding block assembly, the tray 3 is rotatably provided with a ball screw 31, and the movable plate 2221 is drivingly connected to the ball screw 31; the axial direction of the ball screw 31 is parallel to the length direction X of the battery module. The ball screw here precisely controls the position of the battery cell 41 in the length direction X of the battery module, thereby effectively ensuring the precision between the stacked battery cells 41 in the battery module 4.

[0036] Further, as shown in Figure 3 and Figure 4 The movable pressure head includes a first pressing plate 2220 provided on the movable plate 2221, and the first pressing plate 2220 is provided with a first end pressing surface 22201 on the side facing the fixed part 221, and the periphery of the first end pressing surface 22201 is provided with a first limiting assembly for limiting the first end plate 42 of the battery module 4. In use, the first end plate 42 is attached to the first end pressing surface 22201 and is limited and fixed by the first limiting assembly in the area of the first end pressing surface 22201; when the battery cells 41 of the battery module 4 are stacked, the movable plate 2221 moves towards the supporting part 223 to attach the first end plate 42 to the large surface of the battery cell 41.

[0037] As shown, Figure 3 The first limiting assembly includes a transverse limiting member and a longitudinal limiting member, wherein the transverse limiting member includes a transverse pressing block 2222 slidably provided on the first pressing plate 2220 through a sliding rail sliding block assembly, and the transverse pressing block 2222 is driven by an air cylinder provided on the first pressing plate 2220 to abut or separate from the first end plate 42 in the horizontal direction. In this embodiment, there are two transverse limiting members, which are oppositely arranged about the center of the first end pressing surface 22201.

[0038] The longitudinal limiting member includes a longitudinal pressing plate 2223 slidably mounted on the first pressing plate 2220 through a sliding rail sliding block assembly, and the longitudinal pressing plate 2223 is provided with a longitudinal pressing frame 22231 extending above the first end pressing surface 22201, and the longitudinal pressing plate 2223 is driven by an air cylinder or an electric cylinder provided on the first pressing plate 2220 to move in the longitudinal direction Z, so that the longitudinal pressing head 22232 provided on the longitudinal pressing frame abuts or separates from the first end plate 42.

[0039] In the embodiment, the first pressing plate 2220 and the movable plate 2221 have an adjusting gap (not shown in the figure), and a support plate 2226 is adjustably arranged in the adjusting gap. The support plate 2226 can move towards or away from the fixed part 221 along the length direction X of the battery module, and the support plate 2226 can extend below the first end pressing surface 22201 to support the first end plate 42 of the battery module 4. Preferably, the support plate 2226 is slidingly installed on the movable plate 2221 through a slide rail sliding block assembly, and the support plate 2226 is limited in the longitudinal direction Z by the longitudinal pressing head 22232. In use, when the first end plate 42 is assembled, the support plate 2226 moves towards the side away from the fixed part 221 so that the support plate 2226 is separated from the first end plate 42, thereby facilitating the hoop ring 44 to be arranged on the first end plate 42.

[0040] As shown in Figure 3 , the movable plate 2221 is provided with a baffle 2227, and the first pressing plate 2220 is slidingly arranged on the movable plate 2221 and located between the fixed part 221 and the baffle 2227. The baffle 2227 is provided with a pressure sensor 2228, and the pressure sensor 2228 is located between the first pressing plate 2220 and the baffle 2227. In the embodiment, the first pressing plate 2220 is slidingly connected with the movable plate 2221 through a slide rail sliding block assembly. In the process of pressing and shaping the battery module 4 towards the fixed end, the first pressing plate 2220 has a small amplitude movement towards the baffle 2227 to monitor the pressure value through the pressure sensor 2228 to determine the shaping force of the battery module 4.

[0041] In the embodiment, in order to limit the movement range of the first pressing plate 2220, as shown in Figure 3 , the first pressing plate 2220 is provided with a first limiting block 22202, and the movable plate 2221 is provided with a second limiting block 22210. The first limiting block 22202 is provided with a limiting gap, and the second limiting block 22210 is embedded in the limiting gap.

[0042] As shown in Figure 2 , Figure 5 , Figure 6 and Figure 7As shown, the fixing part 221 includes a main plate 2210 fixedly mounted on the tray 3, and a sub-plate 2211 slidably mounted on the tray 3, the sub-plate 2211 being between the main plate 2210 and the supporting part 223; a second end pressing surface 2212 is arranged on one side of the sub-plate 2211 facing the supporting part 223, for assembling the second end plate 43 of the battery module 4; a driving member 2213 is arranged on the main plate 2210 or the tray 3, for driving the sub-plate 2211 to move towards or away from the supporting part 223 along the length direction X of the battery module; a self-locking member 2214 is arranged on the main plate 2210, for limiting the sub-plate 2211 in the length direction X of the battery module. In this embodiment, the sub-plate 2211 is slidably connected to the tray 3 through a slide rail and slide block assembly, and the second end plate 43 is attached to the second end pressing surface 2212. Correspondingly, the second end pressing surface 2212 is provided with a second limiting assembly for limiting the second end plate 43, and the structure and working principle of the second limiting assembly are the same as those of the first limiting assembly, which will not be described here.

[0043] Specifically, when the second baffle 2227 needs to be assembled, the self-locking member 2214 releases the locking of the sub-plate 2211, and the sub-plate 2211 is driven to move towards the main plate 2210 by a pneumatic cylinder or an electric cylinder (the driving member 2213) arranged on the tray 3 or the main plate 2210, so as to clear the space between the sub-plate 2211 and the supporting part 223, facilitating the assembly of the second end plate 43; after the assembly of the second end plate 43 is completed, the sub-plate 2211 moves towards the supporting part 223 to reach the working position and is locked by the self-locking member 2214.

[0044] In this embodiment, as shown in Figure 5 The self-locking member 2214 includes an adjusting plate 22141 and a locking plate 22142 connected to each other, wherein: the adjusting plate 22141 is adjustably arranged on the main plate 2210, and the locking plate 22142 extends from the main plate 2210 towards the sub-plate 2211; when the sub-plate 2211 is in the locked state, the locking plate 22142 abuts against the sub-plate 2211 in the length direction X of the battery module; when the sub-plate 2211 is in the unlocked state, the locking plate 22142 is out of contact with the sub-plate 2211 in the length direction X of the battery module. The adjusting plate 22141 is slidably connected to the main plate 2210 through a slide rail and slide block assembly, and is driven to move in the longitudinal direction Z by a pneumatic cylinder or an electric cylinder arranged on the main plate 2210, so as to drive the locking plate 22142 to move in the longitudinal direction Z relative to the sub-plate 2211, thereby unlocking or locking the sub-plate 2211.

[0045] In some embodiments, the main plate 2210 and the tray 3 are detachably assembled by bolts, so as to facilitate the adjustment of the assembly position of the fixing part 221 on the tray 3, to adapt to the processing of battery modules 4 of different specifications.

[0046] As shown in Figure 8And Figure 9 As shown, the side pressing mechanism 21 comprises a main frame 211 and a sub-frame 212, the sub-frame 212 is slidably connected with the main frame 211 through a slide rail slider, the sub-frame 212 is provided with a side pressing plate 2121 on one side of the support part 223, and a longitudinal pressing assembly 215 is slidably assembled on the sub-frame 212 through a slide rail slider assembly, so as to shape the battery module 4 in the longitudinal direction Z, so as to ensure the flatness of the bottom of the battery module 4. In the embodiment, an electric cylinder for driving the sub-frame 212 is arranged on the main frame 211. In order to improve the stability of the movement of the sub-frame 212, a stabilizing gear 213 is rotatably installed on the main frame 211, and a stabilizing rack 214 is arranged on the sub-frame 212 and engaged with the stabilizing gear 213.

[0047] Specifically, the longitudinal pressing assembly 215 comprises a translation plate 2151 arranged on the sub-frame 212 through a slide rail slider assembly, the translation plate 2151 is driven by an electric cylinder arranged between the sub-frame 212 and the translation plate 2151 to approach or move away from the support part 223, an end of the translation plate 2151 close to the support part 223 is provided with a longitudinal moving plate 2152 through a slide rail slider assembly, the longitudinal moving plate 2152 is driven by an electric cylinder arranged on the translation plate 2151 to move in the longitudinal direction Z, and the longitudinal moving plate 2152 is provided with a pressing wheel 2153 for pressing the battery cell 41.

[0048] The technical means disclosed in the utility model scheme is not only limited to the technical means disclosed in the above-mentioned embodiment, but also includes the technical scheme composed of any combination of the above technical features. It should be noted that for ordinary skilled persons in the art, without departing from the principle of the utility model, some improvements and refinements can be made, and these improvements and refinements are also considered as the protection scope of the utility model.

Claims

1. A battery module stack shapmg device, characterized by, The utility model relates to a battery module end pressure device, including: Rack; Tray, set up in the rack; Side pressure mechanism, in the rack side; End pressure mechanism, set up in the tray, including set up in the fixed part of the tray, movable part and support part, the support part is between the fixed part and the movable part, the movable part can be close to or far from the fixed part, wherein, The movable part includes an activity plate, an activity pressure head and a claw body, the activity pressure head and the claw body are arranged on the activity plate, and the claw body can move relative to the activity pressure head in the length direction of the battery module and the width direction of the battery module.

2. The battery module stack shapmg device according to claim 1, characterized by, The activity pressure head includes a first pressure plate arranged on the activity plate, and a first end pressure surface is arranged on one side of the first pressure plate facing the fixed part, and a first limiting component is arranged on the periphery of the first end pressure surface for limiting the first end plate of the battery module.

3. The battery module stack shapmg device according to claim 1, characterized by, The claw body is provided with a first limiting surface and a second limiting surface perpendicular to each other, the length direction of the battery module is perpendicular to the first limiting surface, and the width direction of the battery module is perpendicular to the second limiting surface.

4. The battery module stack shapmg device according to claim 1, characterized by, The activity plate is slidably connected with the tray, a ball screw is rotatably installed on the tray, and the activity plate is drivingly connected with the ball screw. The axial direction of the ball screw is parallel to the length direction of the battery module.

5. The battery module stack shapmg device of claim 2, wherein, The periphery of the first end pressure surface is provided with a first limiting component for limiting the first end plate of the battery module. The first limiting component includes a transverse limiting piece and a longitudinal limiting piece, wherein, The transverse limiting piece includes a transverse pressure block slidably arranged on the first pressure plate, and the transverse pressure block can abut or be separated from the first end plate. The longitudinal limiting piece includes a longitudinal pressure plate slidably installed on the first pressure plate, and a longitudinal pressure frame is arranged on the longitudinal pressure plate, the longitudinal pressure frame extends above the first end pressure surface, and the longitudinal pressure frame can move in the longitudinal direction to abut or be separated from the first end plate.

6. The battery module stack shapmg device of claim 2, wherein, A baffle is arranged on the activity plate, the first pressure plate is slidably arranged on the activity plate, and the first pressure plate is between the fixed part and the baffle. A pressure sensor is arranged on the baffle, the pressure sensor is between the first pressure plate and the baffle, a first limiting block is arranged on the first pressure plate, a second limiting block is arranged on the activity plate, a limiting notch is formed in the first limiting block, and the second limiting block is embedded in the limiting notch.

7. The battery module stack shapmg device of claim 1, wherein, The fixed part includes a main plate fixedly installed on the tray and a secondary plate slidably installed on the tray, and the secondary plate is between the main plate and the support part. A second end pressure surface is arranged on one side of the secondary plate facing the support part for assembling the second end plate of the battery module. A driving piece is arranged on the main plate or the tray for driving the secondary plate to move close to or away from the support part along the length direction of the battery module. A self-locking piece is arranged on the main plate for limiting the secondary plate in the length direction of the battery module.

8. The battery module stack shapmg device of claim 7, wherein, The self-locking piece includes an adjusting plate and a locking plate connected with each other, wherein: The adjusting plate is adjustably arranged on the main plate, and the locking plate is arranged on the main plate and extends towards the sub plate; when the sub plate is in the locking state, the locking plate abuts against the sub plate in the length direction of the battery module; when the sub plate is in the non-locking state, the locking plate is separated from the sub plate in the length direction of the battery module.

9. The battery module stack shapmg device of claim 1, wherein, The side pressing mechanism comprises a main frame and a sub frame, the sub frame is in sliding connection with the main frame, and a side pressing plate is arranged on one side of the sub frame towards the supporting part. A stabilizing gear is rotatably arranged on the main frame, and a stabilizing rack in mesh with the stabilizing gear is arranged on the sub frame.

10. The battery module stack shapmg device of claim 9, wherein, A longitudinal pressing assembly is arranged on the sub frame, the longitudinal pressing assembly comprises a translation plate slidingly arranged on the sub frame, the translation plate can be close to or away from the supporting part, an end portion of the translation plate close to the supporting part is provided with a longitudinal moving plate, the longitudinal moving plate can move in the longitudinal direction, and a pressing wheel for pressing the battery cell is arranged on the longitudinal moving plate.

Images