CN220050414U - Side plate installation welding device for battery module and production system - Google Patents

Abstract

The utility model provides a side plate mounting and welding device for a battery module. Wherein, the frame is used for setting up the group battery. The side plate mounting mechanism comprises a primary propulsion mechanism, a secondary propulsion mechanism and a side plate transfer assembly which are sequentially connected, wherein the primary propulsion mechanism is used for pushing the secondary propulsion mechanism and the side plate transfer assembly to jointly move towards the side surface of the battery pack; the secondary propelling mechanism is used for pushing the side plate transferring assembly to enable the side plate positioned on the side plate transferring assembly to be mounted on the side face of the battery pack. The welding robot is used for welding the side plates mounted on the side surfaces. Adopt the curb plate installation welding set that above-mentioned technical scheme provided can realize the process of installation curb plate and the process that welds the curb plate simultaneously in the frame, and need not to shift the group battery that installs the curb plate to another workstation and weld, consequently, reduced the condition that the displacement is not hard up appears after the curb plate installation, and then improved the yields of curb plate welding process.

Description

Side plate installation welding device for battery module and production system

Technical Field

The utility model relates to the technical field of battery production, in particular to a side plate mounting and welding device for a battery module and a production system.

Background

In the existing battery module production line, the mounting station of the module side plate and the side plate welding station are not located at the same position, so that after the process of mounting the side plate is completed, the module is required to be conveyed to the side plate welding station for welding. The module is easy to collide or vibrate in the carrying process to cause the position of the side plate to be displaced and loosened, and the installation and positioning effects of the fixture fixed positions are poor, so that the subsequent welding yield is greatly affected.

Disclosure of Invention

The utility model aims to provide a side plate mounting and welding device for a battery module and a production system, so as to improve the yield of side plate welding.

Embodiments of the present utility model are implemented as follows:

in a first aspect, an embodiment of the present utility model provides a side plate mounting and welding apparatus for a battery module including a battery pack; the battery pack has two opposite sides, and welding set includes frame, curb plate installation mechanism and welding robot. Wherein, the frame is used for setting up the group battery. The side plate mounting mechanism comprises a primary propulsion mechanism, a secondary propulsion mechanism and a side plate transfer assembly which are sequentially connected, wherein the primary propulsion mechanism is used for pushing the secondary propulsion mechanism and the side plate transfer assembly to jointly move towards the side surface of the battery pack; the secondary propelling mechanism is used for pushing the side plate transferring assembly to enable the side plate positioned on the side plate transferring assembly to be mounted on the side face of the battery pack. The welding robot is used for welding the side plates mounted on the side surfaces.

Among the curb plate installation welding set that above-mentioned technical scheme provided, including the frame that is used for setting up the group battery, can install the curb plate in the side of group battery through curb plate installation mechanism, can weld the curb plate through welding robot. That is, by adopting the side plate installation welding device provided by the technical scheme, two procedures of side plate installation and laser welding can be integrally completed at a single station, the time for products to enter and leave the station and to circulate on a chain is reduced, the production efficiency is improved, and the cost can be reduced after the station is reduced. That is, the process of mounting the side plates and the process of welding the side plates can be simultaneously realized on the frame without transferring the battery pack mounted with the side plates to another station for welding, so that the displacement looseness of the side plates after mounting is reduced, and the yield of the side plate welding process is improved.

Among the above-mentioned technical scheme, still through one-level advancing mechanism and second grade advancing mechanism with the side of curb plate installation and group battery, through carrying out hierarchical promotion to curb plate installation mechanism, can improve the position accuracy of curb plate installation, further improve the yields of curb plate welding process.

With reference to the first aspect, in some embodiments of the present utility model, a ranging component is further disposed on the rack, and the ranging component is used for detecting a distance between the side plate and a side surface of the battery pack, and is in signal connection with the secondary propulsion mechanism.

Among the above-mentioned technical scheme, detect the interval between the side of curb plate and group battery through range finding subassembly to with range finding subassembly and second grade propulsion mechanism signal connection, can control the propulsion distance of second grade propulsion mechanism through the measurement data of sampling mechanism, and then improve the position installation accuracy of curb plate, and then improve the yields after welding the curb plate.

With reference to the first aspect, in some embodiments of the utility model, the primary propulsion mechanism includes a first mount, and a first drive assembly disposed on the first mount; the second-stage propulsion mechanism comprises a second driving assembly and a second installation seat in transmission connection with the first driving assembly, the second driving assembly is connected with the second installation seat, the side plate transferring assembly is in transmission connection with the second driving assembly, and the distance measuring assembly is in signal connection with the second driving assembly.

The technical scheme provides a mode for realizing primary propulsion and secondary propulsion, wherein the primary propulsion mechanism is used for realizing primary propulsion, and the secondary propulsion mechanism is used for realizing secondary propulsion. The first driving assembly is in transmission connection with the second mounting seat, the second driving assembly is mounted on the second mounting seat, and the side plate transferring assembly is in transmission connection with the second driving assembly. The first driving assembly is used for pushing the second mounting seat, the second driving assembly and the side plate transfer assembly to move so as to realize primary pushing, and the second driving assembly is used for pushing the side plate transfer assembly so as to realize secondary pushing. Through range finding subassembly and second drive assembly signal connection, can realize according to the distance that the data control curb plate of range finding subassembly measured transported the subassembly and promote in the second grade and advance.

With reference to the first aspect, in some embodiments of the utility model, the first drive assembly includes a first electric cylinder, an extended end of the first electric cylinder being connected to the second mount to move the second mount to a side of the battery pack; the second driving assembly comprises an air cylinder, and the extending end of the air cylinder is connected with the side plate transferring assembly so that the side plate transferring assembly moves to the side face of the battery pack.

In combination with the first aspect, in some embodiments of the present utility model, the second mounting base includes a bottom plate and a column, the bottom plate is in driving connection with the first driving assembly, the column is mounted at an edge of a side of the bottom plate facing the battery pack, and the side plate transferring assembly is disposed at a side of the column away from the bottom plate.

Through with curb plate transportation subassembly and bottom plate setting in the both sides of stand, can reduce the possibility that appears interfering between bottom plate and group battery or the frame at the in-process of installation curb plate.

With reference to the first aspect, in some embodiments of the present utility model, the side plate transferring assembly includes an adsorption plate and a supporting plate, the adsorption plate is vertically disposed on the secondary propulsion mechanism, the supporting plate is connected to the lower side of the adsorption plate and extends out of one side of the adsorption plate away from the secondary propulsion mechanism, the supporting plate is used for bearing the side plate, and a through hole is disposed on the adsorption plate, and the through hole is communicated with a negative pressure system, so that the side plate can be attached to the adsorption plate in an adsorption manner.

In the above technical scheme, because the adsorption plate is vertically arranged and the supporting plate extends out from the lower side of the adsorption plate, the supporting plate can support the side plate in the vertical direction. Because be provided with the through-hole that communicates negative pressure system on the adsorption plate, the curb plate can be fixed on the adsorption plate through the negative pressure, realizes fixing the curb plate in the installation and the transportation in-process of curb plate.

With reference to the first aspect, in some embodiments of the utility model, the side panel mounting mechanism further comprises a lifting assembly coupled to the primary propulsion mechanism to enable the side panel transport assembly to move up and down.

Up-and-down motion of a side plate transfer mechanism is realized through the lifting component, the side plate can be mounted at positions different in height from the ground, so that the side plate is suitable for battery packs of different sizes or with set heights, or the mounting height of the side plate is adjusted in the mounting process of the side plate, so that the mounting position of the side plate is more accurate, and the yield of the welded side plate is further improved.

In combination with the first aspect, in some embodiments of the present utility model, the centering mechanism further comprises a third driving assembly and a pushing block in transmission connection, wherein the third driving assembly is configured to enable the pushing block to push the side plate located in the side plate transferring assembly to move along the length direction of the side plate.

Through setting up centering mechanism and promoting curb plate along self length direction motion, can change the mounted position of curb plate on the horizontal direction, make the mounted position of curb plate more accurate, further improve the yields after the curb plate welding.

With reference to the first aspect, in some embodiments of the present utility model, both sides of the side plate mounting mechanism are provided with centering mechanisms to enable the side plate to reciprocate in its own length direction.

Through all setting up centering mechanism in curb plate installation mechanism's both sides, can follow the mounted position of self length direction round trip adjustment curb plate, further improve the mounted position precision of curb plate, and then improve the yields after the curb plate welding.

In a second aspect, an embodiment of the present utility model provides a production system of a battery module, including the side plate mounting and welding device provided in the first aspect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a side plate mounting and welding device according to an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a rack according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of a side plate mounting mechanism and a centering mechanism according to an embodiment of the present utility model;

fig. 4 is a schematic structural diagram of an adsorption plate according to an embodiment of the present utility model;

fig. 5 is a schematic structural diagram of a ranging module according to an embodiment of the present utility model.

Icon: 10-a frame; 20-a side plate mounting mechanism; 21-a first mount; 22-a first drive assembly; 23-a second mount; 231-a bottom plate; 232-stand columns; 233-a connection plate; 24-a second drive assembly; 25-a side panel transport assembly; 251-adsorbing plate; 252-pallet; 30-a welding robot; 40-ranging assembly; 50-centering mechanism; 51-a third drive assembly; 52-pushing blocks; 60-battery pack; 70-roller way.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the product of the application, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The current square battery module comprises a square frame formed by two side plates and two end plates, and a battery pack 60 positioned inside the square frame, wherein the side plates are arranged on two opposite sides of the battery pack 60, two ends of the side plates are connected with the end plates, and the side plates are connected with the end plates to form the square frame after being welded. The battery pack 60 includes a plurality of battery cells arranged along a first direction, and in some embodiments, two end plates are respectively located at two ends of the first direction, and two side plates are respectively located at two ends of the battery cells in a length direction, where the first direction is perpendicular to the length direction of the battery cells in the conventional plurality of square battery modules.

The inventor of the present utility model has found that in the existing battery module production line system for producing square battery modules, a station for installing side plates and a station for welding side plates are located at different positions, and the battery pack 60 after the installation of the side plates is completed needs to be transferred from the station for installing the side plates to the station for welding the side plates, and in this process, the positions of the side plates may be loosened, which may result in lower yield after the welding of the side plates. In addition, after the battery pack 60 is transferred to a station for welding the side plates, the battery pack 60 needs to be positioned again before welding, and the welding of the side plates is affected, so that the yield after welding is reduced.

Based on this, the inventors of the present utility model have provided a production system of a battery module including a side plate mounting and welding device for a battery module. An embodiment of a side plate mounting and welding device according to the present utility model includes a frame 10 for mounting a battery pack 60, a side plate mounting mechanism 20 for mounting the side plates, and a welding robot 30 for welding the side plates, as shown in fig. 1. One embodiment of the housing 10 is shown in fig. 2.

By adopting the production system and the side plate installation welding device provided by the utility model, the side plates can be installed and welded at the same work station, the battery pack 60 does not need to be transferred to another work station for welding after the side plates are installed, the situations of loosening, displacement and the like after the side plates are installed are reduced, and the yield of the welded side plates is improved.

In some embodiments provided herein, the side panel mounting mechanism 20 may be provided to the frame 10; in other embodiments of the present utility model, the side plate mounting mechanism 20 may also exist independently of the frame 10, with the side plate mounting mechanism 20 being moved relative to the frame 10 to achieve a predetermined position of the side plate on the side of the battery pack 60.

In some embodiments provided by the present utility model, the side panel mounting mechanism 20 includes an interconnecting pusher mechanism and side panel transfer assembly 25. The side plate transferring assembly 25 is used for bearing the side plates and transferring the side plates under the action of the pushing mechanism, so that the side plates can be mounted at preset positions on the side surfaces of the battery pack 60.

In a preferred embodiment, the propulsion mechanism comprises a primary propulsion mechanism and a secondary propulsion mechanism. The side plate transferring assembly 25 is enabled to convey the side plates to the preset positions on the side surfaces of the battery pack 60 through the sequential actions of the primary pushing mechanism and the secondary pushing mechanism, so that finer control on the side plate conveying process is achieved, and the installation positions of the side plates are more accurate.

In one embodiment of the present utility model, as shown in fig. 3, the primary propulsion mechanism includes a first mount 21 and a first driving assembly 22 disposed on the first mount 21; the secondary propulsion mechanism comprises a second mounting seat 23 and a second driving assembly 24 arranged on the second mounting seat 23, wherein the second mounting seat 23 is in transmission connection with the first driving assembly 22, and the second driving assembly 24 is in transmission connection with the side plate transferring assembly 25. The first driving assembly 22 can drive the second mounting seat 23, the second driving assembly 24 and the side plate transferring assembly 25 to move towards the side face of the battery pack 60 together; the side plate transfer assembly 25 can be driven to move sideways of the battery pack 60 by the second driving assembly 24.

Since the position of the side plate mounting mechanism 20 is not limited in the present utility model, the mounting position of the first mount 21 is not limited. Illustratively, the first mounting seat 21 may be disposed on the frame 10, or on the ground, and the first mounting seat 21 may be slidably connected to the frame 10, or the first mounting seat 21 may be movably disposed on the ground, in order to facilitate adjustment of the positions of the first mounting seat 21 and the side plate transferring assembly 25.

In one embodiment of the present utility model, the first driving assembly 22 includes a first electric cylinder having a movable output shaft, and the protruding end of the output shaft is in driving connection with the second mounting seat 23, so that the protruding end of the first electric cylinder (i.e., the protruding end of the output shaft of the first electric cylinder) drives the second mounting seat 23 to move to the side of the battery pack 60. The second drive assembly 24 includes a cylinder, likewise having an output shaft with an extended end. The extending end of the cylinder (i.e., the extending end of the output shaft of the cylinder) is connected with the side plate transferring assembly 25, and then the extending end of the cylinder drives the side plate transferring assembly 25 to move to the side surface of the battery pack 60. In the present embodiment, in order to enable the first driving unit 22 to drive the second mounting seat 23 to move to the side of the battery pack 60 and the second driving unit 24 to drive the side plate transfer unit 25 to move to the side of the battery pack 60, the output shaft of the air cylinder and the output shaft of the first electric cylinder are disposed parallel to each other and are both parallel to the longitudinal direction of the battery cell. In other embodiments, an air cylinder may be used in the first drive assembly 22, an electric cylinder may be used in the second drive assembly 24, or an electric cylinder or air cylinder may be used in both the first drive assembly 22 and the second drive assembly 24.

In one embodiment of the present utility model, as shown in fig. 3, the second mounting seat 23 includes a bottom plate 231 and a column 232, the bottom plate 231 is in driving connection with the first driving assembly 22, and the column 232 is disposed above the bottom plate 231 and is located at an edge of the bottom plate 231 facing the battery pack 60. The side plate transferring assembly 25 is disposed on one side of the upright 232 away from the bottom plate 231, that is, in a direction from a side far from the battery pack 60 to a side near the battery pack 60, the bottom plate 231, the upright 232 and the side plate transferring assembly 25 are sequentially disposed, so that the bottom plate 231, the upright 232 are not easy to interfere with the frame 10 or the battery pack 60 in the process of installing the side plates by the secondary pushing. Further, the second driving assembly 24 is connected to the upright 232, and as shown in fig. 2, a connection plate 233 is connected between the second driving assembly 24 and the upright 232, so that the second driving assembly 24 can move together with the upright 232. In other embodiments of the present utility model, the second driving assembly 24 may be fixedly connected to the bottom plate 231.

In some embodiments of the present utility model, the side plate transfer assembly 25 includes a suction plate 251 and a support plate 252, the suction plate 251 being vertically connected to the secondary propulsion mechanism, and further, the suction plate 251 being connected to an extended end of the second driving assembly 24 in the secondary propulsion mechanism, such as an extended end of a cylinder. The pallet 252 is connected to the underside of the suction plate 251 and protrudes toward the suction plate 251 away from the secondary pushing mechanism. As shown in fig. 4, the suction plate 251 is a plate-shaped structure arranged vertically, and the second driving assembly 24 is connected to the suction plate 251 from both ends of the suction plate 251. The supporting plate 252 is horizontally connected to the lower side of the adsorption plate 251 to realize the vertical support of the side plate. The adsorption plate 251 is further provided with a through hole, and the through hole is connected with a negative pressure system, so that the side plate can be adsorbed and attached to the adsorption plate 251. The negative pressure system in the present utility model is a system capable of forming negative pressure inside the through hole on the adsorption plate 251, and the negative pressure system may be a common vacuum pumping system in the market. Since the negative pressure exists in the through holes, the side plate is adsorbed on the adsorption plate 251 under the action of the negative pressure after the side plate is supported by the supporting plate 252.

In some embodiments of the present utility model, to determine the amount of advancement of the side plate to the side of the battery pack 60 during the secondary advancement, the side plate mounting and welding apparatus is further provided with a distance measuring assembly 40 in signal communication with the second drive assembly 24 in the secondary pushing mechanism, as shown in fig. 1, 2, and 5. The distance measuring assembly 40 is used for detecting the distance between the side plate arranged in the side plate transferring assembly 25 and the side surface of the battery pack 60, and the second driving assembly 24 controls the side plate transferring assembly 25 to move a corresponding distance to the side surface of the battery module according to the distance measured by the distance measuring assembly 40, so that the side plate is mounted to a preset position in a direction from the distance from the battery pack 60 to the distance from the battery pack 60. Further, the side plate mounting and welding device is provided with a control system, the distance measuring assembly 40 and the second driving assembly 24 are both connected to the control system in a signal mode, and after the control system receives the measured interval data transmitted by the distance measuring assembly 40, the second driving assembly 24 is controlled according to the interval data to enable the side plate transferring assembly 25 to move to the side face of the battery pack 60 by a corresponding distance. In one embodiment, the ranging assembly 40 includes a motor-driven three-axis servo mechanism and a CCD camera and a laser range finder disposed on the three-axis servo mechanism. The CCD camera and the laser range finder are connected with the control system, and the triaxial servo mechanism can drive the CCD camera and the laser range finder to move in the directions of an X axis, a Y axis and a Z axis in space and is used for changing the positions of the CCD camera and the laser range finder in space. It will be appreciated by those skilled in the art that the X-axis, Y-axis and Z-axis in space are three directions perpendicular to each other in space, and in a preferred embodiment of the present utility model, the first direction is the Y-axis direction, the X-axis direction is the direction perpendicular to the sides of the battery pack 60, and the Z-axis is the vertical direction. That is, in the present utility model, the side plate can be mounted to a preset position in the X-axis direction by the primary pushing mechanism and the secondary pushing mechanism.

In the present utility model, the installation position of the distance measuring unit 40 is not particularly limited. The ranging assembly 40 may be provided to the housing 10 or may be mounted relatively independently of the housing 10. In the embodiment where the ranging module 40 is disposed on the frame 10, the three-axis servo mechanism may be fixedly disposed on the frame 10 or may be slidably disposed on the frame 10.

In some embodiments of the present utility model, to adjust the installation position of the side plate in the vertical direction, the side plate installation mechanism 20 further includes a lifting assembly connected to the primary pushing mechanism, so that the primary pushing mechanism can drive the secondary pushing mechanism and the side plate transferring assembly 25 to move up and down, and further adjust the height of the side plate in the vertical direction, so as to change the installation position of the side plate in the vertical direction. Specifically, the lifting assembly is connected with the first mounting seat 21 in the primary propulsion mechanism, and further, the lifting assembly is connected below the first mounting seat 21. In the present utility model, the specific form of the elevation assembly is not limited as long as it can have an elevation function. In some embodiments, the lifting assembly includes a second electric cylinder and a vertically disposed lifting support shaft drivingly connected to the second electric cylinder, the lifting support shaft having a lifting rod extendable and retractable in a vertical direction, and the first mount 21 is connected to a top end of the lifting rod. Lifting and descending of the lifting rod in the lifting support shaft can be achieved through the second electric cylinder, and then reciprocating motion of the first mounting seat 21 in the vertical direction is achieved, so that the position of the side plate in the vertical direction, which is arranged in the side plate transferring assembly 25, is changed, namely, the mounting position of the side plate in the Z-axis direction is adjusted.

In some embodiments provided by the present utility model, a centering mechanism 50 capable of pushing the side plate in the first direction is also provided, i.e., the centering mechanism 50 is capable of adjusting the mounting position of the side plate in the Y-axis direction. In the present utility model, there is no particular limitation on the installation position of the centering mechanism 50, for example, the centering mechanism 50 may be provided on the frame 10, or may be provided independently with respect to the frame 10, as long as the centering mechanism 50 is capable of pushing the side plate located on the side plate transferring assembly 25 to move in the first direction.

In one embodiment of the present utility model, as shown in fig. 3, the centering mechanism 50 includes a third mounting base, a third driving assembly 51 and a push block 52, and the third driving assembly 51 is mounted on the third mounting base. The third drive assembly 51 is configured to enable the push block 52 to push the side plate located in the side plate transfer assembly 25 along the length direction of the side plate itself, wherein the length direction of the side plate is parallel to the first direction. Further, the third driving assembly 51 includes a second cylinder mounted on the third fixing base, and an output shaft of the second cylinder is disposed along the first direction, and the push block 52 is disposed at an extended end of the output shaft of the second cylinder.

Preferably, centering mechanisms 50 are provided on both sides of the side plate mounting mechanism 20 to achieve a back and forth adjustment of the position of the side plate in the Y-axis direction; the number of the side plate mounting mechanisms 20 is two for mounting the side plates to opposite sides of the battery pack 60, respectively.

In the present utility model, the mounting position of the third mount is not particularly limited, and the third mount may be mounted on the frame 10, may be relatively fixedly disposed with the first mount 21, and may be relatively fixedly disposed with the adsorption plate 251, so long as the push block 52 can push the side plate to move along the first direction, and those skilled in the art can adaptively adjust the position of the third mount according to the actual situation.

In the above embodiment, in addition to the ranging unit 40, the second driving unit 24, the CCD camera, and the laser range finder, the negative pressure system to which the first driving unit 22, the welding robot 30, the third driving unit 51, and the suction plate 251 are connected is also connected to the control system.

The process for realizing automatic welding by adopting the side plate installation welding device provided by the embodiment comprises the following steps:

s1: the battery pack 60 is provided to the frame 10; among them, the manner of disposing the battery pack 60 to the rack 10 includes a manner of transferring the battery pack 60 to the rack 10 through the roller table 70.

S2: the control system sends a signal to the side plate transferring assembly 25 to cause the pallet 252 to lift the side plate, and then the control system sends an instruction to the third driving assembly 51 to cause the pushing block 52 to push the side plate in the first direction under the action of the third driving assembly 51 so as to adjust the position of the side plate in the first direction.

S3: the control system sends a signal to the negative pressure system to fix the side plate by the negative pressure through the adsorption plate 251.

S4: the control system sends a signal to the primary propulsion mechanism to enable the primary propulsion mechanism to push the side plate to move towards the battery pack 60 for a preset distance, then the distance between the side plate and the battery pack 60 is measured through the distance measuring assembly 40, distance data are fed back to the control system, and after the control system receives the data transmitted back by the distance measuring assembly 40, the control system controls the second driving assembly 24 according to the data to enable the side plate to move towards the side face of the battery pack 60 for a corresponding distance.

S5: the distance measuring assembly 40 is controlled by the control system to measure the distance between the side plate and the battery pack 60, distance data is fed back to the control system, the control system judges whether the gap between the side plate and the battery pack 60 is qualified or not, if the gap is not qualified, the control system gives an alarm, and an operator checks and processes the gap.

S6: when the gap between the side plate and the battery pack 60 is acceptable, a command is issued to the welding robot 30 by the control system to complete the process of welding the side plate.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A side plate mounting and welding device for a battery module, characterized in that the module comprises a battery pack; the battery pack has two opposite sides, and the welding device includes:

the rack is used for setting the battery pack;

the side plate mounting mechanism comprises a primary propulsion mechanism, a secondary propulsion mechanism and a side plate transfer assembly which are sequentially connected, and the primary propulsion mechanism is used for pushing the secondary propulsion mechanism and the side plate transfer assembly to jointly move towards the side face of the battery pack; the secondary propulsion mechanism is used for pushing the side plate transfer assembly to enable the side plate positioned on the side plate transfer assembly to be arranged on the side surface of the battery pack;

and the welding robot is used for welding the side plates arranged on the side surfaces.

2. The side plate mounting and welding device according to claim 1, wherein a distance measuring assembly is further arranged on the frame, the distance measuring assembly is used for detecting the distance between the side plate and the side surface of the battery pack, and the distance measuring assembly is in signal connection with the secondary propulsion mechanism.

3. The side panel mounting and welding apparatus of claim 2 wherein the primary propulsion mechanism includes a first mount and a first drive assembly disposed on the first mount; the secondary propulsion mechanism comprises a second driving assembly and a second installation seat in transmission connection with the first driving assembly, the second driving assembly is connected with the second installation seat, the side plate transferring assembly is in transmission connection with the second driving assembly, and the distance measuring assembly is in signal connection with the second driving assembly.

4. The side plate mounting and welding apparatus according to claim 3 wherein said first drive assembly includes a first electric cylinder, an extended end of said first electric cylinder being connected to said second mount to move said second mount to a side of said battery pack; the second driving assembly comprises a cylinder, and the extending end of the cylinder is connected with the side plate transferring assembly so that the side plate transferring assembly moves to the side face of the battery pack.

5. The side plate mounting and welding device according to claim 3, wherein the second mounting seat comprises a bottom plate and a stand column, the bottom plate is in transmission connection with the first driving assembly, the stand column is mounted on the edge of the bottom plate facing to one side of the battery pack, the side plate transferring assembly is arranged on one side of the stand column away from the bottom plate, and the second driving assembly is connected to the bottom plate or the stand column.

6. The side plate mounting and welding device according to claim 1, wherein the side plate transferring assembly comprises an adsorption plate and a supporting plate, the adsorption plate is vertically arranged on the secondary propelling mechanism, the supporting plate is connected to the lower side of the adsorption plate and extends out of one side of the adsorption plate far away from the secondary propelling mechanism, the supporting plate is used for bearing the side plate, a through hole is formed in the adsorption plate, and a negative pressure system is communicated with the through hole so that the side plate can be adsorbed and attached to the adsorption plate.

7. The side panel mounting and welding apparatus of claim 1 wherein the side panel mounting mechanism further comprises a lift assembly coupled to the primary propulsion mechanism to enable up and down movement of the side panel transfer assembly.

8. The side panel installation welding device of any one of claims 1 to 7, further comprising a centering mechanism comprising a third drive assembly drivingly connected to the pusher, the third drive assembly configured to enable the pusher to push a side panel located in the side panel transfer assembly along its length.

9. The side plate mounting and welding apparatus according to claim 8, wherein both sides of the side plate mounting mechanism are provided with the centering mechanism so as to enable the side plate to reciprocate in the own length direction.

10. A production system of a battery module, characterized by comprising the side plate mounting and welding device according to any one of claims 1 to 9.