CN220006429U - Welding compresses tightly frock - Google Patents

Abstract

The utility model relates to the technical field of welding tools, in particular to a welding compaction tool, which comprises at least one group of module positioning mechanisms arranged along a first direction, wherein the module positioning mechanisms are arranged opposite to the end parts of modules to be welded, each module positioning mechanism comprises a first driving component and an abutting component arranged at the driving end of the first driving component, and the first driving component is used for driving the abutting component to move relative to the modules to be welded so as to enable the abutting component to abut against the bottom edge of the modules to be welded and form vertical surfaces mutually perpendicular to side seams to be welded of the modules to be welded. The lower end of the side seam of the to-be-welded module is propped against, so that the problems of over-welding, skip welding and error welding caused by the fact that a laser gun exceeds the position of a welding seam in the welding process are avoided, the welding quality of the module is improved, and the product quality is improved.

Description

Welding compresses tightly frock

Technical Field

The utility model relates to the technical field of welding tools, in particular to a welding compaction tool.

Background

In the production process of the battery module, side seam welding is an important production process. In the existing side seam welding process of the battery module, laser filler wire welding is generally adopted, namely, in the welding process, a laser gun is propped against a side seam of the battery module, and the laser gun moves along the welding seam to weld. However, the following technical problems exist in the welding process: in the process of welding along the welding seam, the laser gun is moved by inertia, so that the laser gun exceeds the position of the welding seam, and the problems of wrong welding, over-welding or other module damage welding are caused.

Disclosure of Invention

In order to solve one of the above technical problems, the present utility model provides a welding and compacting tool, which comprises at least one set of module positioning mechanisms arranged along a first direction, wherein the module positioning mechanisms are arranged opposite to the end parts of the modules to be welded, the module positioning mechanisms comprise a first driving assembly and an abutting assembly arranged at the driving end of the first driving assembly, and the first driving assembly is used for driving the abutting assembly to move relative to the modules to be welded so that the abutting assembly abuts against the bottom edge of the modules to be welded and forms vertical surfaces mutually perpendicular to side seams to be welded of the modules to be welded. The butt assembly is abutted to the bottom edge of the to-be-welded module, the butt assembly is positioned at the bottom end of the to-be-welded side seam of the to-be-welded module, and the butt assembly is abutted to the lower part of the side seam of the module, so that the problems of overselding, skip welding and error welding caused by the fact that a laser gun exceeds a welding seam position in the welding process are avoided, the welding quality of the module is improved, and the product quality is improved.

Preferably, the driving end of the first driving component is connected with a mounting plate, the mounting plate is provided with a detection component on one side of the module to be welded, the propping component is positioned on one side of the mounting plate opposite to the module to be welded, and the module to be welded is a battery module. The detection assembly and the abutting assembly are connected to the driving end of the first driving assembly, and the mounting plate is driven to be close to or far away from the to-be-welded module through the first driving assembly, so that the detection assembly and the abutting assembly are close to or far away from the to-be-welded module. The detection assembly is contacted with the end part of the module to be welded, so that whether the module to be welded is placed in position or not is detected.

Preferably, the abutting component comprises a second driving component arranged on the mounting plate, a movable support connected to the driving end of the second driving component, and an alignment block arranged at the bottom end of the movable support, wherein the second driving component is used for driving the movable support to move relative to the to-be-welded module so that the alignment block abuts against the bottom end of the side seam of the to-be-welded module. So that the surface of the alignment block is perpendicular to the side seam of the module. When the laser gun welds the welding seam from top to bottom, the alignment block resists the lower part of the side seam, thereby avoiding over-welding, skip welding and error welding which causes flaws to the module in the welding process.

Preferably, a first groove is formed in one side, opposite to the to-be-welded module, of the mounting plate, and the movable support can be embedded in the first groove. So that the moving bracket can be engaged in the first groove of the mounting plate.

Preferably, the second driving assembly comprises a first driver and a second driver arranged at the driving end of the first driver, and the movable bracket is connected with the driving end of the second driver. The second driver is driven by the first driver to move along the first direction, so that the movable support and the alignment block move towards the to-be-welded module, and the movable support and the alignment block are driven by the second driver to move up and down along the third direction, so that the alignment block is abutted to the edge of the bottom of the to-be-welded module and is located below the side seam.

Preferably, the driving end of the first driver is provided with an L-shaped connecting plate, and the second driver is arranged on the L-shaped connecting plate. And the first driver drives the L-shaped connecting plate to move along the first direction, so that the moving bracket and the alignment block on the second driver are driven to move along the first direction.

Preferably, the welding device further comprises a module tray which is arranged along the first direction and used for fixing the module to be welded, and the end part of the module tray is provided with a second groove. And when the first driving assembly drives the mounting plate to be close to the to-be-welded module, the detection assembly penetrates through the second groove, and then the detection assembly is in contact with the to-be-welded module, so that whether the to-be-welded module is in place or not is detected.

Preferably, guide rod assemblies are arranged on two opposite sides of the first driving assembly, and the mounting plate is in sliding connection with the first driving assembly through the guide rod assemblies. Make mounting panel and first drive assembly sliding connection through the guide bar subassembly, and then first drive assembly when the drive mounting panel removes, the mounting panel can steadily remove.

Preferably, one side of the first driving component is further provided with a monitoring component for detecting the moving position of the mounting plate. When the first driving component drives the mounting plate to move, the monitoring component detects the moving position of the mounting plate, and then the limiting effect on the mounting plate is achieved.

Preferably, the monitoring assembly comprises a limiting assembly arranged on one side of the first driving assembly, a fixing rod and an induction piece arranged on the fixing rod, and the fixing rod is arranged on the mounting plate. When the first driving component drives the mounting plate to move along the first direction, the mounting plate drives the fixing rod and the sensing piece to move, the position of the sensing piece is detected through the limiting component, and the limiting component can be a in-place sensor, so that the moving position of the mounting plate is limited.

Compared with the prior art, the utility model has the beneficial effects that: the utility model sets up at least one group of module positioning mechanism along the first direction, the module positioning mechanism is set up with the end of the module to be welded relatively, the module positioning mechanism includes the first driving assembly, can set up in the abutting assembly of the driving end of the first driving assembly movably, after the module to be welded is fixed on the module tray, drive the abutting assembly to move relative to the module to be welded through the first driving assembly, abutting to the bottom edge of the module to be welded through the abutting assembly, and form the perpendicular surface mutually perpendicular with the side seam to be welded of the module to be welded, abutting under the side seam to be welded of the module through the abutting assembly, avoid exceeding the position of the weld joint in the welding process of the laser gun, cause the over-welding, skip welding and mistaking welding problem, improve the welding quality of the module, thus improve the product quality.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments of the present utility model or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from them without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a welding compaction tool according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a module tray according to an embodiment of the utility model;

fig. 3 is a perspective view of a welding compaction tool according to an embodiment of the utility model.

Reference numerals

10. A module tray; 101. a second groove; 20. a detection assembly; 30. an abutment assembly; 31. a movable support; 32. a second drive assembly; 321. a first driver; 322. a second driver; 323. an L-shaped connecting plate; 33. an alignment block; 40. a first drive assembly; 41. a guide rod assembly; 50. a mounting plate; 51. a first groove; 60. a monitoring component; 61. a limit component; 62. an induction piece; 63. a fixed rod; 11 battery packs; 12. an end plate; 13. and a side plate.

Detailed Description

Various embodiments of the utility model are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary. Moreover, for the purpose of simplifying the drawings, some conventional structures and components are shown in the drawings in a simplified schematic manner.

It should be noted that all directional indications such as up, down, left, right, front, and rear … … in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture such as that shown in the drawings, and if the particular posture is changed, the directional indication is changed accordingly.

In addition, the descriptions of the "first," "second," and the like, herein are for descriptive purposes only and are not intended to be specifically construed as order or sequence, nor are they intended to limit the utility model solely for distinguishing between components or operations described in the same technical term, but are not to be construed as indicating or implying any relative importance or order of such features. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

For a further understanding of the nature, features, and efficacy of the present utility model, the following examples are set forth in order to provide a further understanding of the utility model, and are intended to be described in connection with the accompanying drawings:

in the production process of the battery module, the battery module comprises end plates 12 arranged at two ends of the battery pack 11 along the first direction and side plates 13 arranged at two sides of the battery pack 11 along the second direction, after the battery pack 11, the end plates 12 and the side plates 13 are assembled into the battery module, side seams are formed on the side edges of the end plates 12 and the side plates 13, the seam welding of the end plates 12 and the side plates 13 is required through a side seam welding procedure, and in the welding process of moving along the welding seams, the laser gun easily exceeds the positions of the welding seams due to inertia caused by the movement of the laser gun, so that the problems of wrong welding, over welding or other module damaging welding are formed.

In order to solve the above-mentioned technical problems, this embodiment provides a welding compaction tool, as shown in fig. 1-2, including at least one set of module positioning mechanism that sets up along the first direction, module positioning mechanism sets up with waiting to weld the tip of module relatively, module positioning mechanism includes first drive assembly 40, set up in the detection component 20 of first drive assembly 40 drive end and support and lean on subassembly 30, support and lean on subassembly 30 movable setting in the drive end of first drive assembly 40, support and lean on subassembly 30 to lie in mounting panel 50 and wait to weld the opposite one side of module, wait to weld the module after fixed, drive detection component 20 through first drive assembly 40 and contact the tip of waiting to weld the module to realize detecting whether wait to weld the module and place in place. The butt assembly 30 is abutted to the bottom edge of the module to be welded, and vertical surfaces perpendicular to the side seams to be welded of the module to be welded are formed, the butt assembly 30 is abutted to the bottom end of the side seams to be welded of the module to be welded, the problem that a laser gun exceeds the position of a welding seam in the welding process to cause overselding, skip welding and error welding is avoided, the welding quality of the module is improved, and therefore the product quality is improved.

The module tray 10 is arranged along the first direction and used for fixing the module to be welded, and the module tray 10 is clamped at two ends of the module to be welded, so that the module to be welded is pressed and fixed on the module tray 10. The module positioning mechanisms of this embodiment have two groups, and the two groups of module positioning mechanisms are disposed at two ends of the module tray 10 along the first direction, so that the two groups of module positioning mechanisms act on two ends of the module to be welded simultaneously.

Specifically, as shown in fig. 1-2, the first direction in this embodiment is exemplified by the X direction in the figure, the second direction is the Y direction, and the third direction is the Z direction. After the assembled to-be-welded modules are placed on the module tray 10, the to-be-welded modules are clamped at two ends of the to-be-welded modules through the module tray 10, and then the to-be-welded modules are fixed on the module tray 10, so that the to-be-welded modules are prevented from being displaced in the welding process. Further, the detection assembly 20 and the abutting assembly 30 are driven by the first driving assembly 40 to move along the first direction relative to the module to be welded, the driving end of the first driving assembly 40 is connected with the mounting plate 50, the detection assembly 20 and the abutting assembly 30 are arranged on one side of the mounting plate 50 relative to the module to be welded, and the module to be welded is a battery module. For example, the first driving assembly 40 may be a motor and a cylinder, and the detecting assembly 20 and the abutting assembly 30 are close to or far from the to-be-welded module by connecting the detecting assembly 20 and the abutting assembly 30 to the driving end of the first driving assembly 40, and then driving the mounting plate 50 to be close to or far from the to-be-welded module by the first driving assembly 40.

Further, the mounting board 50 is provided with a detection component 20 at a side opposite to the module to be welded, when the first driving component 40 drives the mounting board 50 to be close to the module to be welded, the detection component 20 is abutted to the end plate 12 of the module to be welded, and the detection component 20 can be a detection device such as a contact sensor and a correlation photoelectric device to realize whether the module to be welded is placed in place or not. Wherein the end of the module tray 10 is provided with a second groove 101. When the first driving assembly 40 drives the mounting plate 50 to approach the to-be-welded module, the detecting assembly 20 passes through the second groove 101, so that the detecting assembly 20 contacts the to-be-welded module, and whether the to-be-welded module is in place or not is detected.

Further, guide bar assemblies 41 are provided on opposite sides of the first driving assembly 40, and the mounting plate 50 is slidably connected to the first driving assembly 40 through the guide bar assemblies 41. The guide rod assembly 41 comprises a guide post and a guide sleeve, and the guide post and the guide sleeve are in sliding fit, so that the mounting plate 50 is in sliding connection with the first driving assembly 40, and the mounting plate 50 can stably move when the first driving assembly 40 drives the mounting plate 50 to move.

When the module to be welded is placed in place, the abutment assembly 30 abuts against the bottom edge of the module to be welded, and the abutment assembly 30 is located at the lower end of the side seam to be welded of the module to be welded. Specifically, the abutting component 30 includes a second driving component 32 disposed on the mounting plate 50, a moving bracket 31 connected to the driving end of the second driving component 32, and an alignment block 33 disposed at the bottom end of the moving bracket 31, where the second driving component 32 is used to drive the moving bracket 31 to move towards the module to be welded, so that the alignment block 33 abuts against the bottom end of the side seam of the module to be welded, and the surface of the alignment block 33 is perpendicular to the side seam of the module. When the laser gun welds the weld from top to bottom, the alignment block 33 resists the lower part of the side seam, thereby avoiding over-welding, skip welding and error welding which causes flaws to the module in the welding process.

Further, in order to drive the moving bracket 31 and the alignment block 33 to move toward the to-be-welded module, the second driving assembly 32 includes a first driver 321 and a second driver 322 disposed at a driving end of the first driver 321, and the moving bracket 31 is connected to the driving end of the second driver 322. For example, the first driver 321 and the second driver 322 may be air cylinders, the first driver 321 is disposed along a first direction, the second driver 322 is disposed along a third direction, the second driver 322 is driven by the first driver 321 to move along the first direction, so that the moving bracket 31 and the alignment block 33 move towards the to-be-welded module, and the moving bracket 31 and the alignment block 33 are driven by the second driver 322 to move up and down along the third direction, so that the alignment block 33 abuts against the edge of the bottom of the to-be-welded module and is located below the side seam.

Further, an L-shaped connecting plate 323 is disposed at the driving end of the first driver 321, and the second driver 322 is disposed on the L-shaped connecting plate 323, so that the first driver 321 drives the L-shaped connecting plate 323 to move along the first direction, so as to drive the moving bracket 31 and the alignment block 33 on the second driver 322 to move along the first direction.

The mounting plate 50 has a first groove 51 formed on a side opposite to the to-be-welded module, and the moving bracket 31 may be embedded in the first groove 51, so that the moving bracket 31 may be embedded in the first groove 51 of the mounting plate 50.

As shown in fig. 3, a monitoring assembly 60 for detecting the moving position of the mounting plate 50 is further provided at one side of the first driving assembly 40. When the first driving assembly 40 drives the mounting plate 50 to move, the monitoring assembly 60 detects the moving position of the mounting plate 50, and then the limiting effect is achieved on the mounting plate 50.

Specifically, as shown in fig. 3, the monitoring assembly 60 includes a limiting assembly 61 disposed on one side of the first driving assembly 40, a fixing rod 63, and a sensing piece 62 disposed on the fixing rod 63, where the fixing rod 63 is disposed on the mounting plate 50. When the first driving component 40 drives the mounting plate 50 to move along the first direction, the mounting plate 50 drives the fixing rod 63 and the sensing piece 62 to move, wherein the first driving component 40 is an air cylinder, the position of the sensing piece 62 is detected by the limiting component 61, the limiting component 61 can be an in-place sensor, the stroke of the air cylinder is detected and limited, and therefore the moving position of the mounting plate 50 is limited.

In summary, in one or more embodiments of the present utility model, a module to be welded is fixed by the module tray 10, and a module positioning mechanism is disposed at two ends of the module tray 10 along a first direction, where the module positioning mechanism includes a first driving component 40, a detecting component 20 disposed at a driving end of the first driving component 40, and an abutting component 30, and after the module to be welded is fixed on the module tray 10, the abutting component 30 is driven to move relative to the module to be welded by the first driving component 40, and then abuts against a bottom edge of the module to be welded by the abutting component 30, and forms a vertical plane perpendicular to a side seam to be welded of the module to be welded, and abuts against a lower portion of the side seam to be welded by the abutting component 30, so as to avoid problems of overselding, skip welding and mis-welding caused by a laser gun exceeding a welding seam position in a welding process, thereby improving welding quality of the module and product quality.

The above-described embodiments do not limit the scope of the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the above embodiments should be included in the scope of the present utility model.

Claims (10)

1. Welding compresses tightly frock, its characterized in that: the welding device comprises at least one group of module positioning mechanisms arranged along a first direction, wherein the module positioning mechanisms are arranged opposite to the end parts of the modules to be welded, each module positioning mechanism comprises a first driving assembly (40) and an abutting assembly (30) arranged at the driving end of each first driving assembly (40), and each first driving assembly (40) is used for driving the corresponding abutting assembly (30) to move relative to the modules to be welded so that the corresponding abutting assemblies (30) abut against the bottom edges of the modules to be welded and form vertical surfaces perpendicular to side seams to be welded of the modules to be welded.

2. The welding compaction tool according to claim 1, wherein: the driving end of the first driving assembly (40) is connected with a mounting plate (50), one side of the mounting plate (50) opposite to the to-be-welded module is provided with a detection assembly (20), the abutting assembly (30) is located on one side of the mounting plate (50) opposite to the to-be-welded module, and the to-be-welded module is a battery module.

3. The welding compaction tool according to claim 2, wherein: the abutting component (30) comprises a second driving component (32) arranged on the mounting plate (50), a movable support (31) connected to the driving end of the second driving component (32), and an alignment block (33) arranged at the bottom end of the movable support (31), wherein the second driving component (32) is used for driving the movable support (31) to move relative to the to-be-welded module so that the alignment block (33) abuts against the bottom end of a side seam of the to-be-welded module.

4. A welding compaction tool according to claim 3, wherein: the mounting plate (50) is provided with a first groove (51) relative to one side of the module to be welded, and the movable support (31) can be embedded in the first groove (51).

5. A welding compaction tool according to claim 3, wherein: the second driving assembly (32) comprises a first driver (321) and a second driver (322) arranged at the driving end of the first driver (321), and the movable support (31) is connected to the driving end of the second driver (322).

6. The welding compaction tool according to claim 5, wherein: the driving end of the first driver (321) is provided with an L-shaped connecting plate (323), and the second driver (322) is arranged on the L-shaped connecting plate (323).

7. The welding compaction tool according to claim 2, wherein: the device further comprises a module tray (10) which is arranged along the first direction and used for fixing the module to be welded, and a second groove (101) into which the detection assembly (20) stretches is formed in the end part of the module tray (10).

8. The welding compaction tool according to claim 2, wherein: the two opposite sides of the first driving assembly (40) are provided with guide rod assemblies (41), and the mounting plate (50) is in sliding connection with the first driving assembly (40) through the guide rod assemblies (41).

9. The welding compaction tool according to claim 8, wherein: one side of the first driving component (40) is also provided with a monitoring component (60) for detecting the moving position of the mounting plate (50).

10. The welding compaction tool according to claim 9, wherein: the monitoring assembly (60) comprises a limiting assembly (61) arranged on one side of the first driving assembly (40), a fixing rod (63) and an induction piece (62) arranged on the fixing rod (63), wherein the fixing rod (63) is arranged on the mounting plate (50).