CN220971193U - Side plate welding mechanism of battery module and battery production line body - Google Patents

Abstract

The utility model provides a side plate welding mechanism of a battery module and a battery production line body, wherein the side plate welding mechanism of the battery module comprises a stand, a welding module and a jacking rotation module; the machine seat is provided with a containing groove, and the upper part of the containing groove is used for the passage of the battery module; the welding module comprises a triaxial moving platform and a welding piece, wherein the triaxial moving platform is arranged on the base, and the welding piece is arranged at the tail end of the triaxial moving platform; the jacking rotating module comprises a jacking component and a rotating component, the jacking component is arranged in the accommodating groove, the rotating component is arranged on the jacking component, the jacking component is used for driving the rotating component to ascend or descend, and the rotating component is used for driving the battery module to rotate. The side plate welding mechanism of the battery module adopts the triaxial moving platform, can weld the battery module on the wire body, and has the advantages of small occupied area and low cost.

Description

Side plate welding mechanism of battery module and battery production line body

Technical Field

The utility model relates to the technical field of battery welding, in particular to a side plate welding mechanism of a battery module and a battery production line body.

Background

The battery module is generally composed of three parts: the battery cell, protection circuit and shell. In the battery manufacturing process, the battery is assembled and then the shell of the battery needs to be welded and fixed. At present, the welding of the side plates of the battery module is generally performed by adopting six-axis robot laser welding outside the line, so that the occupied area is large and the cost is high.

In view of the foregoing, it is desirable to provide a new side plate welding mechanism of a battery module and a battery production line body that solve or at least alleviate the above-mentioned technical drawbacks.

Disclosure of utility model

The utility model mainly aims to provide a side plate welding mechanism of a battery module and a battery production line body, and aims to solve the technical problems of large occupied area and high cost in the prior art.

To achieve the above object, according to an aspect of the present utility model, there is provided a side plate welding mechanism of a battery module, comprising:

The machine seat is provided with an accommodating groove, and the upper part of the accommodating groove is used for the passage of the battery module;

The welding module comprises a triaxial moving platform and a welding piece, wherein the triaxial moving platform is arranged on the base, and the welding piece is arranged at the tail end of the triaxial moving platform;

The jacking rotating module comprises a jacking component and a rotating component, wherein the jacking component is arranged in the accommodating groove, the rotating component is arranged in the jacking component and is used for driving the rotating component to ascend or descend, and the rotating component is used for driving the battery module to rotate.

In an embodiment, the jacking component comprises a fixed plate, a jacking driving piece and a mounting plate, wherein the jacking driving piece is mounted on the fixed plate, the output end of the jacking driving piece is connected with the mounting plate, and the rotating component is mounted on the mounting plate.

In an embodiment, the rotating assembly includes a rotary driving member, a first gear, a second gear and a support plate, the rotary driving member is mounted on the mounting plate, the first gear is mounted on an output end of the rotary driving member, the second gear is mounted on a bottom of the support plate, the first gear is meshed with the second gear, and the second gear is rotatably mounted on the mounting plate.

In an embodiment, the top surface of the mounting plate is provided with a stop, and the bottom of the bearing plate is further provided with a stop block, and the stop is used for abutting against the stop block.

In an embodiment, the jacking assembly further comprises a guide rod, the guide rod is mounted on the mounting plate, the fixing plate is provided with a guide portion, and the guide rod penetrates through the guide portion and is in sliding connection with the guide portion.

In an embodiment, the triaxial moving platform includes first translation piece, second translation piece and third translation piece that connect gradually, the welding piece install in the third translation piece, first translation piece install in the frame, first translation piece is used for driving the second translation piece is along first direction removal, second translation piece is used for driving the third translation piece is along the second direction removal, third translation piece is used for driving the welding piece is along the third direction removal.

In an embodiment, the first translation piece is provided with a first slide rail, the second translation piece with first slide rail sliding connection, the second translation piece is provided with a second slide rail, the third translation piece with second slide rail sliding connection, the third translation piece is provided with a third slide rail, the welding piece with third slide rail sliding connection.

In an embodiment, the side plate welding mechanism of the battery module further comprises a pressing module, the pressing module is arranged opposite to the welding module, and the pressing module is used for pressing the side plate and the end plate of the battery module.

In an embodiment, the compressing module comprises a lifting assembly and a compressing assembly, the lifting assembly is mounted on the base, the lifting assembly is used for driving the compressing assembly to lift, the compressing assembly is used for compressing two end plates of the battery module from two ends of the battery module, and the side plates are arranged between the two end plates.

According to another aspect of the present utility model, there is also provided a battery production line body including the side plate welding mechanism of the battery module set as set forth in any one of the above, and further including a conveyor chain passing through the housing, the conveyor chain being for carrying and transporting the battery module set.

In the above scheme, when carrier and battery module move to the holding tank top, jacking rotary module jack-up battery module and carrier, make it break away from with the conveyer chain, triaxial moving platform drive welding piece moves to the welding position and begins the welding curb plate, after the curb plate on one side is accomplished in the welding, triaxial moving platform drive welding piece returns to safe position, rotary module drive battery module and carrier rotate 180, with the curb plate orientation welding piece of another side, welding module moves over again and welds the curb plate on this side, after the welding is accomplished, welding module moves to safe position, jacking rotary module descends, carrier and battery module get back to on the conveyer chain again. The utility model adopts the triaxial moving platform, can weld the battery module on the wire body, and has the advantages of small occupied area and low cost.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings may be obtained from the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view showing a view angle of a welding mechanism for a side plate of a battery module according to an embodiment of the present utility model;

Fig. 2 is a schematic perspective view illustrating another view of a side plate welding mechanism of a battery module according to an embodiment of the present utility model;

Fig. 3 is a schematic perspective view of a jacking rotation module in a side plate welding mechanism of a battery module according to an embodiment of the utility model.

Description of the reference numerals:

The achievement of the object, functional features and advantages of the present utility model will be further described with reference to the drawings in connection with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

It should be noted that all the directional indicators in the embodiments of the present utility model are only used to explain the relative positional relationship, movement conditions, etc. between the components in a particular posture, and if the particular posture is changed, the directional indicators are changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

Moreover, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the embodiments, and when the technical solutions are contradictory or cannot be implemented, it should be considered that the combination of the technical solutions does not exist, and is not within the scope of protection claimed by the present utility model.

Referring to fig. 1 to 3, according to an aspect of the present utility model, the present utility model provides a side plate welding mechanism of a battery module, including a stand 1, a welding module and a jacking rotation module 3; the machine base 1 is provided with a containing groove 11, and the upper part of the containing groove 11 is used for the passage of the battery module; the welding module comprises a triaxial moving platform 21 and a welding piece 22, wherein the triaxial moving platform 21 is arranged on the base 1, and the welding piece 22 is arranged at the tail end of the triaxial moving platform 21; the jacking rotating module 3 comprises a jacking component 31 and a rotating component 32, the jacking component 31 is arranged in the accommodating groove 11, the rotating component 32 is arranged on the jacking component 31, the jacking component 31 is used for driving the rotating component 32 to ascend or descend, and the rotating component 32 is used for driving the battery module to rotate.

In the above embodiment, the machine base 1 may be penetrated by a conveying chain, the conveying chain conveys the battery module to the upper side of the accommodating groove 11 through the carrier 110, and after the side plate and the end plate of the battery module are welded, the carrier 110 and the battery module are conveyed to the next station; the shell of the battery module comprises two end plates and two side plates, the two side plates are respectively clamped between the two end plates, the side plates and the end plates are positioned at the previous station, and each side plate and the two end plates are welded and fixed during welding.

Specifically, when the carrier 110 and the battery module move to the top of the accommodating groove 11, the jacking rotating module 3 jacks the battery module and the carrier 110 to separate from the conveying chain, the triaxial moving platform 21 drives the welding piece 22 to move to the welding position to start welding the side plates, after the side plates on one side are welded, the triaxial moving platform 21 drives the welding piece 22 to retract to the safety position, the rotating assembly 32 drives the battery module and the carrier 110 to rotate 180 degrees, the side plates on the other side face the welding piece 22, the welding module moves to the welding position again to weld the side plates on the side, after the welding is completed, the jacking rotating module 3 descends, and the carrier 110 and the battery module return to the conveying chain again. The three-axis mobile platform 21 is adopted in the embodiment, so that the battery module can be welded on the wire body, and the three-axis mobile platform has the advantages of small occupied area and low cost.

The conveying chain comprises two groups of stepping chains which are oppositely arranged, the two groups of stepping chains are symmetrically arranged, the middle of the conveying chain is in a hollowed structure, and when the battery module and the carrier 110 are erected on the two groups of stepping chains, the conveying chain can be driven to ascend or descend by the jacking rotation module 3 without interference. The carrier 110 is only placed on the step chain, no fixing exists between the carrier 110 and the step chain, the carrier 110 is a special carrier 110 for the battery module, and the battery module can be set and fixed according to the shape of the battery module, so that the battery module is prevented from moving relative to the carrier 110.

Referring to fig. 1 and 2, in one embodiment, the side plate welding mechanism of the battery module further includes a pressing module 4, the pressing module 4 being disposed opposite to the welding module, the pressing module 4 being used to press the side plate and the end plate of the battery module. Through setting up compression module 4, can fix end plate and curb plate better, avoid end plate and curb plate to take place relative movement when the welding.

Specifically, compress tightly module 4 includes lifting assembly 41 and compression assembly 42, and lifting assembly 41 installs in frame 1, and lifting assembly 41 is used for driving compression assembly 42 to go up and down, and compression assembly 42 is used for compressing tightly the two end plates of battery module from the both ends of battery module, and the curb plate sets up between two end plates. The purpose of the lifting assembly 41 is that the pressing assembly 42 is positioned above the battery module without interference when the battery module is transported by the conveyor chain. When the battery module moves to a welding position, the lifting assembly 41 drives the pressing assembly 42 to descend, and two pressing plates of the pressing assembly 42 are relatively positioned at the front end and the rear end of the battery module and are close to each other, so that two end plates of the battery module and a side plate positioned between the two end plates are respectively pressed; similarly, after welding one side plate, the compression module 4 needs to be retracted to a safe position, so that enough space is reserved for the rotation assembly 32 to drive the battery module to rotate 180 degrees, and then the battery module is compressed again; after the welding is completed, the compacting module 4 returns to the initial position.

Referring to fig. 3, in one embodiment, the jacking assembly 31 includes a fixed plate 311, a jacking driving member 312, and a mounting plate 313, the jacking driving member 312 is mounted to the fixed plate 311, an output end of the jacking driving member 312 is connected to the mounting plate 313, and the rotating assembly 32 is mounted to the mounting plate 313. The fixing plate 311 is kept in a fixed state, and the lifting driving member 312 can drive the mounting plate 313 to lift or descend relative to the fixing plate 311, thereby lifting the rotating assembly 32 and the battery module. Specifically, the jacking driving member 312 is a cylinder, and the use of the cylinder has the advantages of rapid action and rapid response.

Referring to fig. 3, in one embodiment, the rotating assembly 32 includes a rotating driver 321, a first gear 322, a second gear 323, and a support plate 324, the rotating driver 321 is mounted to the mounting plate 313, the first gear 322 is mounted to an output end of the rotating driver 321, the second gear 323 is mounted to a bottom of the support plate 324, the first gear 322 is engaged with the second gear 323, and the second gear 323 is rotatably mounted to the mounting plate 313. The rotation driving member 321 may be a rotation motor, and may drive the first gear 322 to rotate, and the first gear 322 drives the second gear 323 to rotate through the engagement structure, so as to rotate the support plate 324, and the battery module is abutted to the carrier 110 and the support plate 324, and can rotate together with the support plate 324. Wherein, the diameter of the first gear 322 is smaller than the size of the second gear 323, thereby increasing the torque, reducing the rotation speed, stabilizing the operation and prolonging the service life of the motor.

Referring to fig. 3, in one embodiment, in order to prevent the carrier plate 324 from rotating from the same direction further after rotating 180 °, the top surface of the mounting plate 313 is provided with a stop portion 3131, the bottom of the carrier plate 324 is further provided with a stop block 3241, and the stop portion 3131 is used to abut against the stop block 3241, and when the stop portion 3131 abuts against the stop block 3241, it means that the carrier plate 324 has rotated into place. And then rotated 180 deg. in the opposite direction back to the original position. Specifically, the number of the two sets of the stop portions 3131 is two, and the two sets of the stop portions 3131 are axisymmetrically arranged with the rotation axis of the support plate 324 as the axis, i.e. the rotation of the support plate 324 can be limited in the forward and reverse directions, so that the rotation stroke of the support plate 324 is more accurate.

Referring to fig. 3, in one embodiment, in order to make the mounting plate 313 more stable when being lifted or lowered by the lifting driving member 312, the lifting assembly 31 further includes a guide rod 314, the guide rod 314 is mounted on the mounting plate 313, the fixing plate 311 is provided with a guide portion 315, and the guide rod 314 passes through the guide portion 315 and is slidably connected with the guide portion 315. The guide portion 315 is provided with a guide hole, and the guide rod 314 is slidably connected to the guide hole. The number of the guide rods 314 may be four, and four groups of guide rods 314 are disposed at four corners of the mounting plate 313 at intervals, and the central axes of the guide rods 314 and the guide holes are all in the up-down direction.

Referring to fig. 1, in an embodiment, the triaxial moving platform 21 includes a first translation member 211, a second translation member 212 and a third translation member 213 connected in sequence, the welding member 22 is mounted on the third translation member 213, the first translation member 211 is mounted on the base 1, the first translation member 211 is used for driving the second translation member 212 to move along a first direction, the second translation member 212 is used for driving the third translation member 213 to move along a second direction, and the third translation member 213 is used for driving the welding member 22 to move along a third direction. The first direction is the left-right direction in fig. 1, the second direction is the front-back direction in fig. 1, and the third direction is the up-down direction in fig. 1; by means of the first translation member 211, the second translation member 212 and the third translation member 213, an adjustment of the position of the welding member 22 in space can be achieved, so that a back-and-forth, a left-and-right and an up-and-down movement is achieved. The weldment 22 is specifically welded by a laser.

In an embodiment, the first translation member 211 is provided with a first sliding rail, the second translation member 212 is slidably connected with the first sliding rail, the second translation member 212 is provided with a second sliding rail, the third translation member 213 is slidably connected with the second sliding rail, the third translation member 213 is provided with a third sliding rail, and the welding member 22 is slidably connected with the third sliding rail. The welding module can be more stable in operation by guiding and positioning the structure of the sliding rail, each type of translation piece can be directly and linearly driven by a cylinder or a cylinder and other piston cylinders, and can also be converted into linear motion by a motor and screw rod structure, and the utility model is not particularly limited to the structure.

According to another aspect of the present utility model, there is also provided a battery production line body including the side plate welding mechanism of the battery module as set forth in any one of the above, and further including a conveyor chain passing through the housing 1, the conveyor chain being for carrying and transporting the battery module. The specific structure of the side plate welding mechanism of the battery module refers to the above embodiment, and since the battery production line body adopts all the technical solutions of the above embodiment, the side plate welding mechanism at least has all the beneficial effects brought by the technical solutions of the above embodiment, and will not be described in detail herein.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims (10)

1. A side plate welding mechanism of a battery module, comprising:

The machine seat is provided with an accommodating groove, and the upper part of the accommodating groove is used for the passage of the battery module;

The welding module comprises a triaxial moving platform and a welding piece, wherein the triaxial moving platform is arranged on the base, and the welding piece is arranged at the tail end of the triaxial moving platform;

The jacking rotating module comprises a jacking component and a rotating component, wherein the jacking component is arranged in the accommodating groove, the rotating component is arranged in the jacking component and is used for driving the rotating component to ascend or descend, and the rotating component is used for driving the battery module to rotate.

2. The welding mechanism for side plates of a battery module according to claim 1, wherein the jacking assembly comprises a fixed plate, a jacking driving member and a mounting plate, the jacking driving member is mounted on the fixed plate, an output end of the jacking driving member is connected with the mounting plate, and the rotating assembly is mounted on the mounting plate.

3. The welding mechanism for side plates of a battery module according to claim 2, wherein the rotating assembly includes a rotation driving member mounted to the mounting plate, a first gear mounted to an output end of the rotation driving member, a second gear mounted to a bottom of the bearing plate, the first gear engaged with the second gear, and a bearing plate, the second gear rotatably mounted to the mounting plate.

4. The welding mechanism for side plates of a battery module according to claim 3, wherein the top surface of the mounting plate is provided with a stopper, and the bottom of the support plate is further provided with a stopper for abutting against the stopper.

5. The welding mechanism for side plates of a battery module according to claim 2, wherein the jacking assembly further comprises a guide bar mounted to the mounting plate, the fixing plate is provided with a guide portion, and the guide bar passes through the guide portion and is slidably connected with the guide portion.

6. The welding mechanism for side plates of a battery module according to claim 1, wherein the triaxial moving platform comprises a first translation member, a second translation member and a third translation member which are sequentially connected, the welding member is mounted on the third translation member, the first translation member is mounted on the base, the first translation member is used for driving the second translation member to move along a first direction, the second translation member is used for driving the third translation member to move along a second direction, and the third translation member is used for driving the welding member to move along a third direction.

7. The welding mechanism for side plates of a battery module according to claim 6, wherein the first translation member is provided with a first slide rail, the second translation member is slidably connected with the first slide rail, the second translation member is provided with a second slide rail, the third translation member is slidably connected with the second slide rail, the third translation member is provided with a third slide rail, and the welding member is slidably connected with the third slide rail.

8. The side plate welding mechanism of a battery module according to any one of claims 1 to 7, further comprising a pressing module disposed opposite to the welding module, the pressing module being for pressing the side plate and the end plate of the battery module.

9. The welding mechanism for side plates of a battery module according to claim 8, wherein said pressing module comprises a lifting assembly and a pressing assembly, said lifting assembly is mounted to said housing, said lifting assembly is used for driving said pressing assembly to lift, said pressing assembly is used for pressing two end plates of said battery module from both ends of said battery module, and said side plates are disposed between said two end plates.

10. A battery production line body, characterized by comprising the side plate welding mechanism of a battery module according to any one of claims 1 to 9, and further comprising a conveyor chain that passes through the housing, the conveyor chain being for carrying and transporting the battery module.