CN217822907U - Battery module tipping arrangement - Google Patents

Abstract

The utility model relates to a battery production technical field discloses a battery module tipping arrangement. The battery module overturning equipment comprises a driving mechanism and two fixing pieces, wherein the two fixing pieces are respectively used for being connected with two ends of a battery module, and a rotating arm is arranged on one side, away from the battery module, of each fixing piece; the driving mechanism is rotatably connected with the two rotating arms and can drive the battery module connected to the fixing part to move in the welding station and the overturning station. The utility model provides a tipping arrangement, simple structure, convenient operation can increase the turnover speed, and then makes the improvement by a wide margin of the welding efficiency of battery module, and battery module is whole to be supported through actuating mechanism simultaneously, has avoided the potential safety hazard of manual operation.

Description

Battery module turning equipment

technical field

The utility model relates to the technical field of battery production, in particular to a battery module overturning device.

Background technique

In the field of new energy batteries, modules composed of lithium-ion batteries have great advantages in improving system energy density and integration efficiency, and have been widely used. Lithium-ion battery modules are simple in structure, high in group efficiency, high in energy density, and have the advantages of high integration and high safety, so they are widely used. The two sides of the module are the positions of the battery tabs. After the battery tabs are bent, laser welding is required to form a firm connection between the tabs and the busbar. During the tab welding process of the lithium-ion battery module, the tabs on both sides of the module need to be welded. Since the manipulator cannot weld all positions at one time, during the welding process, auxiliary tooling is required to complete the flipping of the module to ensure that all welding positions are within the reach of the manipulator. When welding the tabs on both sides of the traditional module, manual handling is required to turn the module over. This kind of overturning method is time-consuming and laborious, and the production efficiency is low; and because the weight of the module is heavy, the risk of manual handling is high, and the module is easy to handle. Drop damage, people are easily injured, and the operation process is unsafe.

Utility model content

In order to solve the above technical problems or at least partly solve the above technical problems, the utility model provides a battery module overturning device.

The utility model provides a battery module flipping device, comprising:

Two fixing pieces, the two fixing pieces are respectively used to connect with the two ends of the battery module, and the side of the fixing piece away from the battery module is provided with a rotating arm; and

A driving mechanism, the driving mechanism is rotatably connected to the two rotating arms, and can drive the battery module connected to the fixing member to move to a welding station and a flipping station.

Optionally, the fixing member includes clamping claws, the clamping claws are used to connect with the end plates of the battery module, and the sides of the clamping claws are provided with clamping grooves matching the end plates.

Optionally, the jaws include a bottom plate and splints arranged on two sides corresponding to the bottom plate, the clamping groove is formed between the two splints, and a movable A first through hole for bolts to pass through, and the first through hole corresponds to the second through hole provided on the end plate.

Optionally, a limit post is provided on the side of the bottom plate connected to the battery module, and the limit post matches the limit groove provided on the end plate.

Optionally, the axis of the rotating arm coincides with the center line of the battery module.

Optionally, the driving mechanism includes a supporting arm and a lifting mechanism, the lifting mechanism is used to drive the supporting arm to move between the welding station and the turning station, and the two ends of the supporting arm are respectively provided with A sling, the end of the sling is provided with a hook rotatably connected to the rotating arm.

Optionally, a baffle is provided on the outer periphery of the rotating arm, and the baffle is spaced apart from the fixing member, and a part of the rotating arm between the baffle and the fixing member is connected to the hook Turn to connect.

Optionally, an end of the rotating arm away from the fixing part protrudes from the baffle, and a rotating rod is connected to the extended end of the rotating arm.

Optionally, the lifting mechanism includes a gantry and a lifting device arranged on a beam of the gantry, and the lifting device is used to drive the support arm to move in a vertical direction.

Optionally, the top of the support arm is provided with lifting lugs connected with the lifting device.

Compared with the prior art, the technical solution provided by the embodiment of the utility model has the following advantages:

The turning device provided by the utility model has a simple structure. When in use, the fixing part is connected to both ends of the battery module, and then the battery module at the welding station is moved to the turning station through the driving mechanism. By rotating the rotating arm, The battery module at the flipping station is flipped 180°, and the driving mechanism drives the flipped battery module to move back to the welding station, so that the welding of the other side of the battery module can be realized. This flipping method is easy to operate and increases the number of flipping The speed greatly improves the welding efficiency of the battery module. At the same time, the battery module is supported by the driving mechanism throughout the process, which avoids the safety hazard of human operation.

Description of drawings

The accompanying drawings here are incorporated in the specification and constitute a part of the specification, show the implementation mode consistent with the present utility model, and are used to explain the principle of the utility model together with the specification.

In order to more clearly illustrate the technical solution in the embodiment of the present invention or the prior art, the accompanying drawings that need to be used in the description of the embodiment or the prior art will be briefly introduced below. Obviously, for those of ordinary skill in the art In other words, other drawings can also be obtained from these drawings without paying creative labor.

Fig. 1 is a schematic diagram of the battery module turning device described in the embodiment of the present invention;

Fig. 2 is a schematic diagram of the connection between the fixing member and the battery module according to the embodiment of the present invention;

Fig. 3 is a diagram showing the positional relationship between the jaws and the positioning plate in the embodiment of the present invention.

Explanation of reference signs

1. Fixing piece; 2. Battery module; 21. End plate; 3. Rotating arm; 31. Baffle; 32. Rotating rod; 4. Gripper; 41. Bottom plate; 42. Splint; 43. Bolt; 44. Limiting column; 45, escape port; 5, driving mechanism; 51, support arm; 52, sling; 53, lifting lug; 6, hook; 61, lifting ring; 62, boom; 63, hook; Workbench; 8, positioning plate; 81, positioning bar.

Detailed ways

In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the solution of the present invention will be further described below. It should be noted that, in the case of no conflict, the embodiments of the present utility model and the features in the embodiments can be combined with each other.

In the following description, a lot of specific details have been set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from those described here; obviously, the implementation in the description is only a part of the implementation of the utility model , but not all implementations.

As shown in FIG. 1 to FIG. 3 , the battery module overturning device provided by the embodiment of the present invention includes a driving mechanism 5 and two fixing parts 1 .

The two fixing parts 1 are respectively used to connect with the two ends of the battery module 2, that is, when the battery module 2 is being welded, the fixing part 1 is not connected with the battery module 2, so as to avoid affecting the welding of the battery module 2; When the battery module 2 is turned over, the fixing part 1 can be connected with the end of the battery module 2 . Here, the ends of the battery module 2 refer to both ends of the battery module 2 along its length direction. A rotating arm 3 is provided on the side of the fixing member 1 away from the battery module 2 , and the rotating arm 3 extends along the length direction of the battery module 2 . Further optimally, the axis of the rotating arm 3 coincides with the centerline of the battery module 2 to avoid tilting of the battery module 2 leaving the welding station.

The driving mechanism 5 is rotatably connected with the two rotating arms 3, and can drive the battery module 2 connected to the fixing member 1 to move to the welding station and the turning station. Specifically, the driving mechanism 5 is connected to the rotating arm 3, so that the driving mechanism 5 can drive the rotating arm 3 to move, and then drive the fixing part 1 and the battery module 2 connected to the fixing part 1 to move. At the same time, the driving mechanism 5 and the rotating arm 3 Rotating connection between the joint of the rotating arm 3 and the rotating arm 3, so that the rotating arm 3 can rotate relative to the driving mechanism 5, and then by rotating the rotating arm 3, the fixing part 1 and the battery module 2 in the flipping station can be turned over, and then the The battery module 2 is rotated to a preset position. Among them, the welding station is the station where the battery module 2 is placed after the welding workbench 7 is located, and the flipping station is the station where the battery module 2 is located after it is separated from the welding workbench 7, and is in the The overturning of the battery module 2 at the overturning station will not collide with other structures.

The overturning device provided by the utility model has a simple structure. When in use, the fixing part 1 is connected to the two ends of the battery module 2, and then the battery module 2 in the welding station is moved to the overturning station through the driving mechanism 5. Rotate the rotating arm 3, so that the battery module 2 in the flipping station is flipped 180°, and the driving mechanism 5 drives the flipped battery module 2 to move back to the welding station, so that the welding of the other side of the battery module 2 can be realized. This flipping method is easy to operate, increases the flipping speed, and thus greatly improves the welding efficiency of the battery module 2, and at the same time, the battery module 2 is supported by the driving mechanism 5 throughout, avoiding the safety hazard of manual operation.

In some embodiments, as shown in FIG. 1 and FIG. 2 , the fixing member 1 includes a clamping jaw 4 for connecting with the end plate 21 of the battery module 2 , and the side of the clamping jaw 4 is provided with the end plate 21 The matched clamping grooves can then clamp the end plate 21 through the clamping jaws 4 , and further realize the connection between the clamping jaws 4 and the end plate 21 . Specifically, the jaw 4 includes a base plate 41 and clamping plates 42 arranged on two sides corresponding to the base plate 41. Preferably, the two clamping plates 42 are spaced apart along the vertical direction, so that the two clamping plates 42 load the upper and lower sides of the end plate 21 respectively. sides. A clamping groove is formed between the two clamping plates 42. At this time, the thickness of the clamping groove should be greater than or equal to the thickness of the end plate 21 to ensure the connection effect. The position corresponding to the two splints 42 is provided with a first through hole through which the bolt 43 can pass, and the position corresponding to the first through hole of the end plate 21 is provided with a second through hole through which the bolt 43 can pass. The second through hole may be an avoidance hole on the end plate 21, and the first through hole and the second through hole are arranged correspondingly. Under this kind of design mode, when in use, after the position of the jaw 4 is fixed, the bolt 43 passes through the first through hole and the second through hole, and then the protruding end of the bolt 43 is suspended with a nut to complete the connection between the jaw 4 and the end plate. The fixing of 21 ensures the firmness of the connection, avoids the phenomenon that the battery module 2 falls off, and ensures the safety of the operation process. Preferably, there are multiple first through holes and second through holes, so that multiple bolts 43 connect the jaw 4 and the end plate 21 to ensure the connection effect. Of course, besides the bolt 43 connection, the clamping jaw 4 and the end plate 21 can also be connected by a buckle, and it is only necessary to ensure that the clamping jaw 4 and the end plate 21 are firmly connected.

The rotating arm 3 is arranged on the side of the bottom plate 41 away from the battery module 2 . Preferably, the rotating arm 3 and the bottom plate 41 are flange-connected to ensure the connection effect.

Further optimally, as shown in FIG. 1 , a limiting column 44 is provided on the side where the bottom plate 41 is connected to the battery module 2 , and a limiting groove is provided at a position corresponding to the end plate 21 and the limiting column 44 . The limit slot matches. The fast positioning of the clamping jaw 4 is facilitated by setting the limiting column 44 and the limiting groove, thereby increasing the connection speed between the clamping jaw 4 and the end plate 21 .

In some embodiments, as shown in FIG. 3 , in order to facilitate the positioning of the battery module 2 , a positioning plate 8 can be provided on the top surface of the welding table 7 of the battery module 2 . The positioning bar 81 at the position of the module 2 ensures accurate positioning of the battery module 2 and increases the convenience of welding. The positioning plate 8 is preferably processed from insulating materials. Wherein, the length of the positioning bar 81 can be smaller than the length of the battery module 2 , it only needs to ensure that the position of the battery module 2 can be restricted. At this time, in order to facilitate the connection between the jaws 4 and the end plate 21, an avoidance opening 45 can be set at the corresponding position of the bottom of the jaw 4, and the shape of the escape opening 45 matches the shape of the corresponding positioning bar 81, and then The clamping jaw 4 can pass through the positioning bar 81 and be connected to the end plate 21 .

When in use, the battery module 2 is placed on the positioning plate 8 , and the welding robot welds the tab on one side of the battery module 2 . After the welding is completed, the jaws 4 are connected to the end plates 21 at both ends of the battery module 2. The jaws 4 are preferably processed from high-strength steel, and a rubber pad can be provided on the side where the jaws 4 and the end plates 21 are connected. , avoid hard contact. After the clamping jaw 4 is connected with the end plate 21 , the clamping jaw 4 and the end plate 21 are fixed together by bolts 43 . The driving mechanism 5 is connected to the rotating arm 3, and then the rotating arm 3 is moved to the turning position through the driving mechanism 5, and the battery module 2 is rotated by 180° by operating the rotating arm 3, and then the battery module 2 is turned by the driving mechanism 5. Drive to the welding station, and then use the welding robot to weld the tab on the other side of the battery module 2 .

1 to 3, the drive mechanism 5 includes a support arm 51 and a lifting mechanism, the lifting mechanism is used to drive the support arm 51 to move to the welding station and the turning station, and the two ends of the support arm 51 are respectively provided with slings 52 , The end of the sling 52 is provided with a hook 6 that is rotatably connected to the swivel arm 3 . At this time, the flipping station is above the welding station, and the lifting mechanism drives the support arm 51 to move vertically, and then drives the sling 52, the hook 6, the rotating arm 3 connected to the hook 6, and the battery module 2 to move along the vertical direction. Move vertically. Specifically, the suspension hook 6 includes a suspension ring 61 connected with the sling 52, a suspension rod 62 is provided below the suspension ring 61, a hook 63 is connected below the suspension rod 62, and the hook 63 is hooked at the lower semicircle position of the rotating arm 3, increasing Ease of connection.

Further optimally, a baffle 31 is provided on the outer periphery of the rotating arm 3 , and the baffle 31 is spaced apart from the fixing member 1 , and a part of the rotating arm 3 between the baffle 31 and the fixing member 1 is rotatably connected to the hook 6 . This design way restricts the hook 6 within this range through the baffle plate 31 and the fixing member 1, so as to prevent the hook 6 from detaching from the rotating arm 3 and ensure the connection effect.

In some embodiments, the end of the rotating arm 3 away from the fixing part 1 protrudes from the baffle plate 31, and the extended end of the rotating arm 3 is connected with a rotating rod 32, which can drive the rotating arm 3 to rotate by operating the rotating rod 32, increasing the convenience of operation sex.

In other embodiments, an external driving motor can also be used to drive the rotation arm 3 to rotate, thereby realizing automatic control.

The lifting mechanism of the present application includes a gantry and a lifting device arranged on the beam of the gantry, and the lifting device is used to drive the support arm 51 to move in the vertical direction. Specifically, the top of the support arm 51 is provided with a lifting lug 53 connected with a lifting device to increase the convenience of connection; the lifting device can be a hoist or the like. Wherein, since the gantry and the hoist are both conventional technologies, there is no too much description for their working principle, and meanwhile, the gantry and the hoist are not shown in the accompanying drawings. The gantry and hoists can be used instead of manually driving the battery module 2 up and down, saving labor costs, improving work efficiency, and avoiding safety hazards caused by manual handling.

It should be noted that in this article, relative terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply these No such actual relationship or order exists between entities or operations. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or device. Without further limitations, an element defined by the phrase "comprising a ..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

The above descriptions are only specific implementation methods of the present utility model, so that those skilled in the art can understand or realize the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments described herein, but will conform to the widest scope consistent with the principles and novel features of the present invention.

Claims (10)

1. The utility model provides a battery module tipping arrangement which characterized in that includes:

the battery fixing device comprises two fixing pieces (1), wherein the two fixing pieces (1) are respectively used for being connected with two ends of a battery module (2), and a rotating arm (3) is arranged on one side, far away from the battery module (2), of each fixing piece (1); and

actuating mechanism (5), actuating mechanism (5) and two swinging boom (3) rotate to be connected to can drive connect in mounting (1) battery module (2) remove in welding station and upset station.

2. The battery module overturning device according to claim 1, wherein the fixing member (1) comprises a clamping jaw (4), the clamping jaw (4) is used for being connected with an end plate (21) of the battery module (2), and a clamping groove matched with the end plate (21) is formed in the side face of the clamping jaw (4).

3. The battery module turnover device according to claim 2, wherein the clamping jaw (4) includes a bottom plate (41) and clamping plates (42) disposed on opposite sides of the bottom plate (41), the clamping grooves are formed between the two clamping plates (42), and first through holes through which bolts (43) can pass are provided at positions corresponding to the two clamping plates (42) and correspond to second through holes provided in the end plate (21).

4. The battery module turnover device of claim 3, wherein a limiting column (44) is arranged on one side of the bottom plate (41) connected with the battery module (2), and the limiting column (44) is matched with a limiting groove arranged on the end plate (21).

5. The battery module turning apparatus according to claim 1, wherein an axis of the rotating arm (3) coincides with a center line of the battery module (2).

6. The battery module turnover device of any one of claims 1 to 5, wherein the driving mechanism (5) comprises a support arm (51) and a lifting mechanism, the lifting mechanism is used for driving the support arm (51) to move to the welding station and the turnover station, two ends of the support arm (51) are respectively provided with a sling (52), and the end of the sling (52) is provided with a hook (6) rotatably connected with the rotating arm (3).

7. The battery module turnover device of claim 6, wherein a baffle (31) is arranged on the periphery of the rotating arm (3), the baffle (31) is spaced from the fixing member (1), and a part of the rotating arm (3) between the baffle (31) and the fixing member (1) is rotatably connected with the hook (6).

8. The battery module turnover device of claim 7, wherein one end of the rotating arm (3) far away from the fixing member (1) extends out of the baffle (31), and the extending end of the rotating arm (3) is connected with a rotating rod (32).

9. The battery module overturning device according to claim 6, wherein the lifting mechanism comprises a gantry and a lifting device arranged on a beam of the gantry, and the lifting device is used for driving the supporting arm (51) to move in a vertical direction.

10. The battery module turnover device according to claim 9, wherein the top of the support arm (51) is provided with a lifting lug (53) connected to the lifting device.

Images